EP2544901A2 - Method and apparatus for producing decorative paper for coating plate-shaped basic bodies - Google Patents

Method and apparatus for producing decorative paper for coating plate-shaped basic bodies

Info

Publication number
EP2544901A2
EP2544901A2 EP11702011A EP11702011A EP2544901A2 EP 2544901 A2 EP2544901 A2 EP 2544901A2 EP 11702011 A EP11702011 A EP 11702011A EP 11702011 A EP11702011 A EP 11702011A EP 2544901 A2 EP2544901 A2 EP 2544901A2
Authority
EP
European Patent Office
Prior art keywords
paper
decor
digital
printing
printed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11702011A
Other languages
German (de)
French (fr)
Other versions
EP2544901B1 (en
Inventor
Raimund Hagspiel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fritz Egger GmbH and Co OG
Original Assignee
Fritz Egger GmbH and Co OG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fritz Egger GmbH and Co OG filed Critical Fritz Egger GmbH and Co OG
Priority to PL11702011T priority Critical patent/PL2544901T3/en
Publication of EP2544901A2 publication Critical patent/EP2544901A2/en
Application granted granted Critical
Publication of EP2544901B1 publication Critical patent/EP2544901B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/007—Apparatus or machines for carrying out printing operations combined with other operations with selective printing mechanisms, e.g. ink-jet or thermal printers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/01—Rotary intaglio printing presses for indirect printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/008—Controlling printhead for accurately positioning print image on printing material, e.g. with the intention to control the width of margins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0469—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F9/00—Designs imitating natural patterns
    • B44F9/02—Designs imitating natural patterns wood grain effects

Definitions

  • the invention relates to a method for the production of decorative paper for
  • a base body which is formed from a carrier plate made of wood material, of laminate and / or a compact plate, in which a decor is printed on a sheet or band-shaped paper by means of at least one printing cylinder work, the decor is a wood or stone decor.
  • the invention relates to a device for the production of decorative paper for coating a carrier plate made of wood material, a laminate and / or a compact plate, with at least one pressure roller work for
  • the decor is a wood or stone decor.
  • Decorative paper for coating wood-based carrier boards is usually produced by printing on a base paper using gravure printing rollers.
  • Example from WO 98/26936 A1 discloses a method for producing resin-impregnated decorative papers for coating carrier plates.
  • the so coated carrier plates (laminates) are intended especially for the furniture industry.
  • resin-impregnated paper is printed by means of a digital printer, in particular laser printer with a digital image.
  • Roller printing processes are well suited for the production of large amounts of decor paper due to their high printing speed.
  • the frequency of repetition of the decoration can basically only be influenced by the diameter and the length of the pressure rollers.
  • both parameters can not be varied arbitrarily, but are limited for technical reasons.
  • digital printing methods basically have unlimited possibilities for individualizing the decoration. The possibility of individualization essentially depends only on the storage capacity made available for holding the digital decor data, the currently available computer performance and the creative performance of the decor developers.
  • digital printing methods are comparatively expensive since the quantity output achievable with a digital printing system is limited and relatively low.
  • the present invention has for its object to provide a method and an apparatus of the type mentioned, the unrestricted at relatively high flow rate or low production costs
  • Claim 1 or by a device having the features of claim 1 1.
  • the method according to the invention in which a wood or stone decor is printed on a sheet-shaped or band-shaped paper by means of at least one printing cylinder, is essentially characterized in that at least one decorative element is printed on one or more partial areas of the paper by means of at least one digital print head the decor printed by means of the at least one printing drum unit remains at least partially visible or, if the at least one decorative element is printed on the paper by the at least one digital printhead in front of the decor surrounding at least one decorative element, wherein the at least one decorative element in the case of the wood decor Structure of the wood to be imitated represents and is selected from a particular branches, resin galls, eating galleries and discoloration comprehensive group and / or reproduces nail or screw heads and / or joints between wood panels, or in the case of stone decor reflects the structure of the stone to be imitated and thereby from a particular discoloration , Inclusions and petrefacts comprising a group selected and / or joints between stone tiles.
  • the inventive device having at least one printing rollers factory for printing a wood or stone decor on a sheet or tape-shaped paper accordingly comprises at least one digital printhead for printing at least one decorative element on one or more portions of the paper, so that by means of at least one Printing roller unit printed decor remains at least partially visible or, if the at least one decorative element is printed by means of the at least one digital printhead in front of the decor on the paper, the at least one
  • Decorative element surrounds, wherein the at least one decorative element in the case of the wood decor reflects the structure of the wood to be imitated and thereby from a particular branches, resin galls, eating galleries and discoloration
  • group is selected and / or reproduces nail or screw heads and / or joints between wood panels, or in the case of
  • Stone decor reflects the structure of the stone to be imitated and it is selected from a particular colorations, inclusions and Petrefakte comprehensive group and / or reflects joints between stone tiles.
  • the invention is thus based on the idea of combining intaglio and digital printing with one another in order to produce decor paper for coating a main body, which is formed from a carrier plate of wood-based material, a compact plate and / or of laminate.
  • a digital printing system for full-surface printing of the upper side of a paper web has a relatively low printing speed.
  • the at least one digital print head is only used for partial printing of the paper web, so that the printing speed and thus the
  • Performance is higher than a system that uses only digital printing.
  • the colors (inks) required for a digital printing unit cost a multiple of the printing inks that can be used in generic intaglio printing machines. Compared to a digital printing system for full-surface
  • the device of the invention is thus characterized by significantly cheaper consumption costs.
  • Decorative element are printed, in terms of digital printing, no full reproduction with respect to the decor to be provided surface of the paper is required. This is a simpler software architecture or
  • a further advantage of the solution according to the invention results in relation to an already existing engraved printing roll in that the decoration printed by means of the printing roll is varied by means of the at least one digital printing head.
  • a ship bottom decoration printed by means of an already existing pressure roller can be provided with longitudinal and transverse lines, in order to reinforce the joint optics of the ship bottom decoration.
  • the at least one decorative element which is printed by means of the at least one digital printhead can be one or more decorative elements of the following types of decorative elements: a) decorative elements which show the structure of the material to be imitated
  • wood this can be the grain, core and sapwood, branches, resin galls, feeding ducts, discoloration by fungi, reaction wood, etc.
  • these can be various discolorations, inclusions, petrefacts, etc.
  • An advantageous embodiment of the invention is characterized in that the printing position of the at least one decorative element is predetermined on the surface of the paper to be provided with the decor according to a random principle.
  • the decoration element may be the representation of a branch or another typical wood feature in a wood decor. In this way, in particular wooden floorboards can be imitated, with a repetition of identical-looking wooden floorboards is excluded by the random positioning of the decorative element or branch.
  • a further advantageous embodiment of the invention provides that the at least one decorative element is selected from a group of decorative elements according to a random principle. For example, example, by means of roller pressure (gravure) a wood decor, for example, a pine decor are printed on the sheet or band-shaped paper. By means of a subsequent digital printing then areal limited decor elements, for example, branches, printed on the serving as a basis wood decor of the paper. If one has deposited the digital data of a multiplicity of optically different decorative elements or branches in a corresponding data memory and then carries out the variant selection by means of a random generator, a corresponding multiplicity of different decorative papers results.
  • a wood decor for example, a pine decor are printed on the sheet or band-shaped paper.
  • a subsequent digital printing then areal limited decor elements, for example, branches, printed on the serving as a basis wood decor of the paper. If one has deposited the digital data of a multiplicity of optically different decorative elements or branches in a corresponding data memory and then carries out the variant selection by means
  • Particularly preferred and advantageous is a combination of such random generator controlled selection of a decorative element of the plurality of variants with a randomly controlled position selection in the X and / or Y direction, i. in the longitudinal and / or transverse direction of the respective paper.
  • decorative paper coated panels can be designed so that it is impossible or almost impossible to find two identical panels under the panels produced in this way.
  • a certain type of decorative element for example of Astab Strukturen
  • another type of another decorative element for example, other "wood defects" and / or different signs of wear, such as mats
  • the number of variants can be further increased.
  • a natural stone decor printed by means of roller printing can be varied by printing "inclusions" or other distinctive locations on the natural stone decor which serves as the basis by means of the at least one digital print head.
  • a further advantageous embodiment of the method according to the invention is characterized in that by means of the at least one printing cylinder unit one or more partial surfaces of the decor to be provided with the decor Surface of the paper to be printed, and that one or more by means of the at least one printing cylinder unit not printed partial areas are printed by means of the at least one digital printhead.
  • This embodiment is particularly advantageous if the at least one decorative element, which is printed by means of the at least one digital print head, has a relatively large surface area and would conceal a corresponding partial area of a previously printed decoration. Because by the partial area, which is printed after the roller pressure by means of the at least one digital printhead, previously omitted in the roller pressure, can be during
  • the at least one pressure roller unit has at least one pressure roller, in particular gravure roller or blanket roller, which contains in its circumferential surface at least one recess for producing a non-printed area on the paper.
  • this design also includes the ability to vary the order of roll printing and digital printing, i. the roller pressure does not necessarily have to be performed before the digital printing in this embodiment; If required, it can also be carried out after digital printing. Furthermore, this embodiment enables an arrangement of the at least one digital printhead between two printing roller units which execute the roller printing.
  • a further advantageous embodiment of the invention is that a plurality of print heads are arranged one behind the other in the feed direction of the paper. This embodiment makes it possible to realize a high feed rate of the paper during its printing, wherein the digital print heads, which usually work more slowly than a printing roll mill, each print a part of the decor element to be printed digitally. Through this Task sharing, where each digital print head does some of the digital printing work, can increase the feed rate of the paper to be printed.
  • the at least one digital print head in the feed direction of the paper to be printed is movable. In this way, more time can be given to the digital print head for printing the respective decorative element, so that the high printing speed of the at least one printing cylinder unit can still be maintained despite the conventionally comparatively lower printing speed of the digital print head.
  • FIG. 1 shows a device for producing decorative paper having a plurality of printing stations, in side view
  • Fig. 2 is a pressure roller of a printing roll mill for a device
  • FIG. 3 shows a printing cylinder unit with an associated digital print head, in a perspective view; a plate-shaped, coated with decorative paper product, in plan view; and Fig. 5 shows another plate-shaped, coated with decorative paper product, in plan view.
  • Fig. 1 is a device or plant for the production of decorative paper for coating of base bodies, which are formed from support plates made of wood material, compacts and / or laminates, is shown.
  • Compact panels are made of resin-impregnated cellulosic sheets, which are pressed under high pressure and at high temperatures in laminate presses. From a supply roll 1 paper 2 is unwound, different
  • the transport direction of the paper 2 is indicated in Fig. 1 with an arrow and extends from left to right. Instead of a paper web 2 and large sheets of paper can be processed in order.
  • the printing cylinder units 4.1, 5.1 are post-processing devices 4.2, 5.2 arranged downstream.
  • the respective post-processing device 4.2, 5.2 can, for example, by means of a hot air flow or by means of electromagnetic radiation, in particular UV radiation cause drying or partial drying of the printed color.
  • the device or system 1 according to the invention may optionally also have only a single printing cylinder unit 4.1 or 5.1.
  • at least one decorative element is printed onto one or more partial areas of the paper 2 by means of at least one digital print head 6.1, so that the previously printed decor remains at least partially visible or the previously printed decor surrounds the decorative element.
  • the digital printhead 6.1 operates, for example, on the principle of the jet printing technology, which is widely used in so-called inkjet printers.
  • a short bar is below the digital application device 6.1 indicated that indicates a droplet jet or more in series positioned droplet jets.
  • the digital application device 6.1 is designed in such a way that it prints one or more decorative elements on the paper web in places or in rows transversely to the direction of movement of the paper web 2. This digital printing does not print completely, but only partially.
  • the digital print head 6.1 can be printed in one color or multi-color.
  • the digital printhead 6.1 may be equipped with a color cartridge containing a single color or colored ink.
  • the digital print head 6.1 can also be provided with one or more color cartridges which comprise or form a plurality of chambers with different inks or colors, for example containing the colors yellow, blue and red as base dyeings, so that the digital print head 6.1 in a pass also several or different colors can print at the same time.
  • the decorative elements are, for example, images of branches (ie branch cross-sections), inclusions, adhesions, grain defects, grain tufts, annual rings, representations of light sapwood, Feeding ducts (eg woodworm holes / gangways), nail and / or screw heads, etc ..
  • the decorative elements may also be inclusions or other distinctive locations of stone decors.
  • the term "decorative element” can also be understood to mean logos.
  • logos are, for example, company names, word-picture marks, slogans, imprints, as are customary on freight crates, etc.
  • a computer 6.2 as means for generating a dot distribution for driving the digital application device 6.1 is connected to the same.
  • the computer 6.2 processes digital control information and transmits it to the digital printhead 6.1.
  • the image data of different variants of said decorative elements and / or logos are stored in a data memory 6.3 of the computer 6.2. Furthermore, the computer 6.2 is provided with a random number generator 6.4. The random number generator 6.4 is used to different variants of one or more
  • Decorative elements e.g. Branches and bright sapwood parts to select at random and to specify the position of the respective decorative element on the paper 2 in the X and / or Y direction also according to a random principle.
  • the computer 6.2 can not only select a decor element from a plurality of decorative elements according to a Zufalislub, but also modify a decorative element, in particular can alienate.
  • a decor element from a plurality of decorative elements according to a Zufalislub
  • modify a decorative element in particular can alienate.
  • the shape of an elliptical decorative element for example, an elliptical branch cross-section or
  • the invention also includes an embodiment in which the computer 6.2 can even produce decorative elements according to a random principle, for example geometric shapes such as a circle, a square, triangles, trapezoids, polygons, or lines or even complex decorative elements.
  • one side of the paper web 2 can be provided over the entire surface with a wood decoration or stone decor, for example stone tiles or natural stone decor, whereupon one or more individual surface regions of the paper web 2 are additionally printed with the at least one digital printer 6.1.
  • a wood decoration or stone decor for example stone tiles or natural stone decor
  • the invention provides that with the roller printing method only a certain surface area of the paper 2 is printed and that the one or the non-printed areas are printed by at least one digital printer 6.1. This embodiment is sketched in FIG.
  • a pressure roller mechanism has at least one pressure roller, in particular blanket roller 5.12, which contains in its lateral surface at least one recess 5.13 for generating a non-printed area 2.1 on the paper web or the paper sheet 2.
  • Pressure roller 5.12 is followed by a digital printer 6.1, which is connected to a
  • Random generator 6.4 having controller 6.2 is connected, wherein the Control selected in the paper area 2.1 decorative element to be printed from a group of decorative elements on a random basis or generated.
  • Fantasy decors are created with a stone or tile pattern in which a through the
  • Platen roller 5.12 generated base decor by decorative tiles, ornaments,
  • Intarsien brochure, logos, etc. which are printed in the initially unprinted areas 2.1 by means of digital printing, supplemented or completed.
  • Blanket cylinder 5.12) is deliberately provided with recesses (or engraving-free zones) 5.13, wherein in the areas generated by these engraving zones 2.1 of the paper web 2 into modified ornaments with the
  • Digital printers 6.1 are printed, for example, in a different color or in a different orientation or distorted, etc.
  • FIG. 3 an embodiment of a device according to the invention is shown, in which at least one digital print head 6.1 a blanket roller 5.12 of a D jerking roller plant 5.1 is assigned.
  • the digital printer 6.1 prints on the blanket roller 5.12, which transfers the applied by means of the digital print head 6.1 decorative element on the paper sheet 2 to be printed.
  • the decor thus applied is at least partially dried by means of the downstream finishing device 6.5.
  • a decor as a multicolored decoration
  • the printing cylinder units 4.1, 5.1 another color of the decoration is printed on the paper web or the paper sheet 2
  • a color of the multicolored decoration is printed on the paper web or the paper sheet 2 by means of the digital printing station 6 having the at least one digital print head 6.1.
  • different wood designs types of wood
  • a plate is shown in plan view, which is coated with a decorative paper 2 produced by the process according to the invention.
  • the plate has a Holzdielendekor 2.2, which was produced by means of pressure rollers 4.1, 5.1.
  • the plate or decorative paper 2 decor elements 2.3 in the form of branches which were generated by means of at least one digital printhead 6.1.
  • the shape and / or size of the branches 2.3 and their position on the surface were determined randomly.
  • the at least one digital printhead 6.1 is connected to a controller 6.2 which has a random number generator 6.4 (see Fig. 1), which selects the respective branch image 2.3 as a decorative element from a group of decorative elements according to a random principle and also the printing position of the respective branch image 2.3 on the with the decor 2.2 to be provided surface of the paper 2 according to a random principle.
  • FIG. 5 shows a plan view of a wood-based panel coated with decorative paper 2 '.
  • the decorative paper 2 'produced by the process according to the invention is likewise provided with a wooden board decoration 2.2', which was produced by means of pressure rollers 4.1, 5.1.
  • the plate or decorative paper 2 ' has a logo 2.4, which was generated by means of a digital print head 6.1.
  • a decorative paper 2 'with such a decor 2.2', 2.4 in particular a device according to FIG. 2, but also devices according to FIGS. 1 and 3 are suitable.
  • the embodiment of the invention is not limited to the exemplary embodiments described above. Rather, numerous variants and combinations are conceivable, which make use even with fundamentally different design of the invention specified in the appended claims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Printing Methods (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention relates to a method and an apparatus for producing decorative paper for coating a carrier plate made from wood material, a laminate and/or a compact plate, having at least one impression-roll unit (4.1, 5.1) for printing a decorative pattern (2.2) on sheet-shaped or strip-shaped paper (2), wherein the decorative pattern is a wood or stone decorative pattern, characterized by at least one digital print head (6.1) for printing at least one decorative element (2.3, 2.4) onto one or more part regions of the paper, with the result that the decorative pattern (2.2) which is printed by means of the at least one impression-roll unit (4.1, 5.1) remains at least partially visible or, as long as the at least one decorative element is printed by means of the at least one digital print head (6.1) before the decorative pattern onto the paper, surrounds the at least one decorative element (2.3, 2.4), wherein, in the case of the wood decorative pattern, the at least one decorative element depicts the structure of the wood to be imitated and is selected here from a group which comprises, in particular, branches, pitch pockets, worm grooves and discolorations and/or depicts nail or screw heads and/or joints between wood panels, or, in the case of stone decoration, depicts the structure of the stone to be imitated and is selected here from a group which comprises, in particular, discolorations, inclusions and fossils and/or depicts gaps between flagstones.

Description

Verfahren und Vorrichtung zur Herstellung von Dekorpapier zum Beschichten von plattenförmigen Grundkörpern  Method and device for producing decorative paper for coating plate-shaped basic bodies

Die Erfindung betrifft ein Verfahren zur Herstellung von Dekorpapier zum The invention relates to a method for the production of decorative paper for

Beschichten eines Grundkörpers, der aus einer Trägerplatte aus Holzwerkstoff, aus Schichtstoff und/oder aus einer Compactplatte gebildet ist, bei dem auf ein blatt- oder bandförmiges Papier mittels mindestens eines Druckwalzenwerkes ein Dekor gedruckt wird, wobei das Dekor ein Holz- oder Steindekor ist. Des Weiteren betrifft die Erfindung eine Vorrichtung zur Herstellung von Dekorpapier zum Beschichten einer Trägerplatte aus Holzwerkstoff, eines Schichtstoffes und/oder einer Compactplatte, mit mindestens einem Druckwalzenwerk zumCoating a base body, which is formed from a carrier plate made of wood material, of laminate and / or a compact plate, in which a decor is printed on a sheet or band-shaped paper by means of at least one printing cylinder work, the decor is a wood or stone decor. Furthermore, the invention relates to a device for the production of decorative paper for coating a carrier plate made of wood material, a laminate and / or a compact plate, with at least one pressure roller work for

Drucken eines Dekors auf ein blatt- oder bandförmiges Papier, wobei das Dekor ein Holz- oder Steindekor ist. Print a decoration on a sheet or band-shaped paper, the decor is a wood or stone decor.

Dekorpapier zur Beschichtung von Trägerplatten aus Holzwerkstoff wird üblicherweise durch Bedrucken eines Basispapiers mittels Druckwalzen im Tiefdruckverfahren hergestellt. Decorative paper for coating wood-based carrier boards is usually produced by printing on a base paper using gravure printing rollers.

Zum Herstellen von Paneelen mit dekorativen Oberflächen werden neben Walzendruckverfahren auch Digitaldruckverfahren verwendet. So ist zum For the production of panels with decorative surfaces, in addition to roller printing processes, digital printing processes are also used. So is to

Beispiel aus der WO 98/26936 A1 ein Verfahren zum Herstellen von harzgetränkten Dekorpapieren zur Beschichtung von Trägerplatten bekannt. Die so beschichteten Trägerplatten (Laminate) sind insbesondere für den Möbelbau bestimmt. Bei dem bekannten Verfahren wird harzgetränktes Papier mittels eines Digitaldruckers, insbesondere Laserdruckers mit einem digitalen Bild bedruckt. Example from WO 98/26936 A1 discloses a method for producing resin-impregnated decorative papers for coating carrier plates. The so coated carrier plates (laminates) are intended especially for the furniture industry. In the known method, resin-impregnated paper is printed by means of a digital printer, in particular laser printer with a digital image.

Walzendruckverfahren sind aufgrund ihrer hohen Druckgeschwindigkeit für die Herstellung großer Dekorpapiermengen gut geeignet. Hinsichtlich der Roller printing processes are well suited for the production of large amounts of decor paper due to their high printing speed. With regard to the

Herstellung von Paneelen, insbesondere Fußbodenpaneelen, kommt es bei Walzendruckverfahren typischerweise zur Wiederholung des aufgedruckten Dekors. Die Häufigkeit der Wiederholung des Dekors kann grundsätzlich nur durch den Durchmesser sowie die Länge der Druckwalzen beeinflusst werden. Beide Parameter können jedoch nicht beliebig variiert werden, sondern sind aus technischen Gründen beschränkt. Digitaldruckverfahren verfügen dagegen grundsätzlich über eine unbeschränkte Möglichkeit zur Individualisierung des Dekors. Die Individualisierungsmöglichkeit ist im Wesentlichen nur von der zur Verfügung gestellten Speicherkapazität zum Vorhalten der digitalen Dekordaten, der aktuell verfügbaren Rechnerleistung sowie der schöpferischen Leistung der Dekorentwickler abhängig. Andererseits sind Digitaldruckverfahren jedoch vergleichsweise teuer, da die mit einer Digitaldruckanlage erreichbare Mengenleistung beschränkt und relativ gering ist. Production of panels, in particular floor panels, is important Roller printing typically to repeat the printed decoration. The frequency of repetition of the decoration can basically only be influenced by the diameter and the length of the pressure rollers. However, both parameters can not be varied arbitrarily, but are limited for technical reasons. In contrast, digital printing methods basically have unlimited possibilities for individualizing the decoration. The possibility of individualization essentially depends only on the storage capacity made available for holding the digital decor data, the currently available computer performance and the creative performance of the decor developers. On the other hand, however, digital printing methods are comparatively expensive since the quantity output achievable with a digital printing system is limited and relatively low.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung der eingangs genannten Art anzugeben, die bei relativ hoher Mengenleistung bzw. günstigen Herstellungskosten eine unbeschränkte The present invention has for its object to provide a method and an apparatus of the type mentioned, the unrestricted at relatively high flow rate or low production costs

Möglichkeit zur Individualisierung des Dekors bieten. Possibility to customize the decor.

Gelöst wird diese Aufgabe durch ein Verfahren mit den Merkmalen des This problem is solved by a method with the characteristics of

Anspruchs 1 bzw. durch eine Vorrichtung mit den Merkmalen des Anspruchs 1 1. Claim 1 or by a device having the features of claim 1 1.

Das erfindungsgemäße Verfahren, bei dem auf ein blatt- oder bandförmiges Papier mittels mindestens eines Druckwalzenwerkes ein Holz- oder Steindekor gedruckt wird, ist im Wesentlichen dadurch gekennzeichnet, dass auf einen oder mehrere Teilbereiche des Papiers mittels mindestens eines Digitaldruckkopfes mindestens ein Dekorelement gedruckt wird, so dass das mittels des mindestens einen Druckwalzenwerkes aufgedruckte Dekor zumindest teilweise sichtbar bleibt oder, sofern das mindestens eine Dekorelement mittels des mindestens einen Digitaldruckkopfes vor dem Dekor auf das Papier aufgedruckt wird, das mindestens eine Dekorelement umgibt, wobei das mindestens eine Dekorelement im Falle des Holzdekors die Struktur des zu imitierenden Holzes wiedergibt und dabei aus einer insbesondere Äste, Harzgallen, Fraßgänge und Verfärbungen umfassenden Gruppe ausgewählt ist und/oder Nagel- oder Schraubenköpfe und/oder Stöße zwischen Holzpaneelen wiedergibt, oder im Falle des Steindekors die Struktur des zu imitierenden Steines wiedergibt und dabei aus einer insbesondere Verfärbungen, Einschlüsse und Petrefakte umfassenden Gruppe ausgewählt ist und/oder Fugen zwischen Steinfliesen wiedergibt. The method according to the invention, in which a wood or stone decor is printed on a sheet-shaped or band-shaped paper by means of at least one printing cylinder, is essentially characterized in that at least one decorative element is printed on one or more partial areas of the paper by means of at least one digital print head the decor printed by means of the at least one printing drum unit remains at least partially visible or, if the at least one decorative element is printed on the paper by the at least one digital printhead in front of the decor surrounding at least one decorative element, wherein the at least one decorative element in the case of the wood decor Structure of the wood to be imitated represents and is selected from a particular branches, resin galls, eating galleries and discoloration comprehensive group and / or reproduces nail or screw heads and / or joints between wood panels, or in the case of stone decor reflects the structure of the stone to be imitated and thereby from a particular discoloration , Inclusions and petrefacts comprising a group selected and / or joints between stone tiles.

Die erfindungsgemäße Vorrichtung, die mindestens ein Druckwalzen werk zum Drucken eines Holz- oder Steindekors auf ein blatt- oder bandförmiges Papier aufweist, umfasst dementsprechend mindestens einen Digitaldruckkopf zum Drucken mindestens eines Dekorelements auf einen oder mehrere Teilbereiche des Papiers, so dass das mittels des mindestens einen Druckwalzenwerkes aufgedruckte Dekor zumindest teilweise sichtbar bleibt oder, sofern das mindestens eine Dekorelement mittels des mindestens einen Digitaldruckkopfes vor dem Dekor auf das Papier aufgedruckt wird, das mindestens eine The inventive device having at least one printing rollers factory for printing a wood or stone decor on a sheet or tape-shaped paper, accordingly comprises at least one digital printhead for printing at least one decorative element on one or more portions of the paper, so that by means of at least one Printing roller unit printed decor remains at least partially visible or, if the at least one decorative element is printed by means of the at least one digital printhead in front of the decor on the paper, the at least one

Dekorelement umgibt, wobei das mindestens eine Dekorelement im Falle des Holzdekors die Struktur des zu imitierenden Holzes wiedergibt und dabei aus einer insbesondere Äste, Harzgallen, Fraßgänge und Verfärbungen Decorative element surrounds, wherein the at least one decorative element in the case of the wood decor reflects the structure of the wood to be imitated and thereby from a particular branches, resin galls, eating galleries and discoloration

umfassenden Gruppe ausgewählt ist und/oder Nagel- oder Schraubenköpfe und/oder Stöße zwischen Holzpaneelen wiedergibt, oder im Falle des group is selected and / or reproduces nail or screw heads and / or joints between wood panels, or in the case of

Steindekors die Struktur des zu imitierenden Steines wiedergibt und dabei aus einer insbesondere Verfärbungen, Einschlüsse und Petrefakte umfassenden Gruppe ausgewählt ist und/oder Fugen zwischen Steinfliesen wiedergibt. Stone decor reflects the structure of the stone to be imitated and it is selected from a particular colorations, inclusions and Petrefakte comprehensive group and / or reflects joints between stone tiles.

Die Erfindung basiert somit auf der Idee, Tiefdruck und Digitaldruck miteinander zu kombinieren, um Dekorpapier zur Beschichtung eines Grundkörpers, der aus einer Trägerplatte aus Holzwerkstoff, einer Compactplatte und/oder aus Schichtstoff gebildet ist, herzustellen. Eine Digitaldruckanlage zum vollflächigen Bedrucken der Oberseite einer Papierbahn besitzt eine relativ geringe Druckgeschwindigkeit. Bei dem The invention is thus based on the idea of combining intaglio and digital printing with one another in order to produce decor paper for coating a main body, which is formed from a carrier plate of wood-based material, a compact plate and / or of laminate. A digital printing system for full-surface printing of the upper side of a paper web has a relatively low printing speed. In which

erfindungsgemäßen Verfahren bzw. der erfindungsgemäßen Vorrichtung wird der mindestens eine Digitaldruckkopf allerdings nur zum partiellen Bedrucken der Papierbahn verwendet, so dass die Druckgeschwindigkeit und damit dieAccording to the method of the invention or the device according to the invention, however, the at least one digital print head is only used for partial printing of the paper web, so that the printing speed and thus the

Leistung höher ist als bei einer Anlage, die ausschließlich Digitaldruck anwendet. Performance is higher than a system that uses only digital printing.

Die für eine Digitaldruckaniage erforderlichen Farben (Tinten) kosten ein Vielfaches der Druckfarben, die in gattungsgemäßen Tiefdruckanlagen eingesetzt werden können. Gegenüber einer Digitaldruckanlage zum vollflächigen The colors (inks) required for a digital printing unit cost a multiple of the printing inks that can be used in generic intaglio printing machines. Compared to a digital printing system for full-surface

Bedrucken einer Seite einer Papierbahn zeichnet sich die erfindungsgemäße Vorrichtung somit durch wesentlich günstigere Verbrauchskosten aus.  Printing one side of a paper web, the device of the invention is thus characterized by significantly cheaper consumption costs.

Da mittels des mindestens einen Digitaldruckkopfes lediglich ein oder mehrere Teilbereiche des blatt- oder bandförmigen Papiers mit mindestens einem Because of the at least one digital printhead only one or more portions of the sheet or tape-shaped paper with at least one

Dekorelement bedruckt werden, ist hinsichtlich des Digitaldruckes keine Vollreproduktion bezüglich der mit einem Dekor zu versehenden Oberfläche des Papiers erforderlich. Hierdurch ist eine einfachere Softwarearchitektur bzw.  Decorative element are printed, in terms of digital printing, no full reproduction with respect to the decor to be provided surface of the paper is required. This is a simpler software architecture or

Softwareprogrammierung gegenüber einem ausschließlich Digitaldruck anwendenden Verfahren möglich. Software programming compared to a method using exclusively digital printing possible.

Ein weiterer Vorteil der erfindungsgemäßen Lösung ergibt sich in Bezug auf eine bereits vorhandene gravierte Druckwalze, indem das mittels der Druckwalze aufgedruckte Dekor mittels des mindestens einen Digitaldruckkopfes variiert wird. So kann beispielsweise ein mittels einer bereits vorhandenen Druckwalze aufgedrucktes Schiffsbodendekor mittels des mindestens einen Digitaldruckkopfes mit Längs- und Querlinien versehen werden, um auf diese Weise die Fugenoptik des Schiffsbodendekors zu verstärken. Bei dem mindestens einen Dekorelement, welches mittels des mindestens einen Digitaldruckkopfes gedruckt wird, kann es sich um ein oder mehrere Dekorelemente folgender Arten von Dekorelementen handeln: a) Dekorelemente, welche die Struktur des zu imitierenden Werkstoffes A further advantage of the solution according to the invention results in relation to an already existing engraved printing roll in that the decoration printed by means of the printing roll is varied by means of the at least one digital printing head. For example, by means of the at least one digital print head, a ship bottom decoration printed by means of an already existing pressure roller can be provided with longitudinal and transverse lines, in order to reinforce the joint optics of the ship bottom decoration. The at least one decorative element which is printed by means of the at least one digital printhead can be one or more decorative elements of the following types of decorative elements: a) decorative elements which show the structure of the material to be imitated

wiedergeben. Das können bei Holz die Maserung, Kern- und Splintholz, Äste, Harzgallen, Fraßgänge, Verfärbungen durch Pilze, Reaktionsholz, etc. sein. Bei Stein können dies verschiedene Verfärbungen, Einschlüsse, Petrefakte, etc. sein.  play. In the case of wood this can be the grain, core and sapwood, branches, resin galls, feeding ducts, discoloration by fungi, reaction wood, etc. In the case of stone, these can be various discolorations, inclusions, petrefacts, etc.

b) Dekorelemente, welche einzelne Dekorabschnitte voneinander abgrenzen, wie zum Beispiel Fugen zwischen Keramikfliesen oder Stöße zwischen Holzpaneelen. b) decorative elements that delimit individual decorative sections, such as joints between ceramic tiles or joints between wooden panels.

c) Dekorelemente, die eine separate Abbildung neben einem zu imitierenden Werkstoff bilden, wie zum Beispiel Nagel- oder Schraubenköpfe in einem Holzpaneel. c) decorative elements that form a separate image next to a material to be imitated, such as nail or screw heads in a wooden panel.

d) Dekorelemente, die über mehrere Paneele hinweg ein Muster ergeben, wie zum Beispiel die Darstellung von Randfriesen bei Fußbodenpaneelen oder Straßenzügen bei Spielböden. d) decorative elements that give a pattern over several panels, such as the representation of edge friezes in floor panels or streets in playgrounds.

Eine vorteilhafte Ausgestaltung der Erfindung ist dadurch gekennzeichnet, dass die Druckposition des mindestens einen Dekorelements auf der mit dem Dekor zu versehenden Oberfläche des Papiers nach einem Zufallsprinzip vorgegeben wird. Bei dem Dekorelement kann es sich insbesondere um die Darstellung eines Astes oder eines anderen typischen Holzmerkmals in einem Holzdekor handeln. Auf diese Weise lassen sich insbesondere Holzdielen nachahmen, wobei eine Wiederholung identisch aussehender Holzdielen durch die zufallsgesteuerte Positionierung des Dekorelements bzw. Astes ausgeschlossen ist. An advantageous embodiment of the invention is characterized in that the printing position of the at least one decorative element is predetermined on the surface of the paper to be provided with the decor according to a random principle. In particular, the decoration element may be the representation of a branch or another typical wood feature in a wood decor. In this way, in particular wooden floorboards can be imitated, with a repetition of identical-looking wooden floorboards is excluded by the random positioning of the decorative element or branch.

Alternativ oder ergänzend sieht eine weitere vorteilhafte Ausgestaltung der Erfindung vor, dass das mindestens eine Dekorelement aus einer Gruppe von Dekorelementen nach einem Zufallsprinzip ausgewählt wird. So kann beispiels- weise zunächst mittels Walzendruck (Tiefdruck) ein Holzdekor, zum Beispiel ein Kieferdekor auf das blatt- oder bandförmige Papier aufgedruckt werden. Mittels eines anschließenden Digitaldruckes werden dann flächig begrenzte Dekorelemente, zum Beispiel Äste, auf das als Basis dienende Holzdekor des Papiers aufgedruckt. Wenn man nun die digitalen Daten einer Vielzahl optisch unterschiedlicher Dekorelemente bzw. Äste in einem entsprechenden Datenspeicher hinterlegt hat und dann per Zufallsgenerator die Variantenauswahl vornimmt, so ergibt sich eine entsprechende Vielzahl unterschiedlicher Dekorpapiere. Alternatively or additionally, a further advantageous embodiment of the invention provides that the at least one decorative element is selected from a group of decorative elements according to a random principle. For example, example, by means of roller pressure (gravure) a wood decor, for example, a pine decor are printed on the sheet or band-shaped paper. By means of a subsequent digital printing then areal limited decor elements, for example, branches, printed on the serving as a basis wood decor of the paper. If one has deposited the digital data of a multiplicity of optically different decorative elements or branches in a corresponding data memory and then carries out the variant selection by means of a random generator, a corresponding multiplicity of different decorative papers results.

Besonders bevorzugt und vorteilhaft ist eine Kombination einer solchen zufallsgeneratorgesteuerten Auswahl eines Dekorelementes aus der Vielzahl von Varianten mit einer ebenfalls zufallsgeneratorgesteuerten Positionswahl in X- und/oder Y-Richtung, d.h. in Längs- und/oder Querrichtung des jeweiligen Papiers. Auf diese Weise können mit dem Dekorpapier beschichtete Paneele so gestaltet werden, dass es unmöglich oder nahezu unmöglich ist, unter den so produzierten Panellen zwei identische Paneele zu finden. Dabei kann durch Erweiterung eines bestimmten Typs eines Dekorelements, zum Beispiel von Astabbildungen, durch einen weiteren Typ eines anderen Dekorelements, zum Beispiel andere„Holzfehler" und/oder unterschiedliche Abnutzungsspuren, wie Mattstellen, die Variantenanzahl noch weiter steigert werden. Particularly preferred and advantageous is a combination of such random generator controlled selection of a decorative element of the plurality of variants with a randomly controlled position selection in the X and / or Y direction, i. in the longitudinal and / or transverse direction of the respective paper. In this way, decorative paper coated panels can be designed so that it is impossible or almost impossible to find two identical panels under the panels produced in this way. In this case, by extension of a certain type of decorative element, for example of Astabbildungen, by another type of another decorative element, for example, other "wood defects" and / or different signs of wear, such as mats, the number of variants can be further increased.

Die Anwendung der vorliegenden Erfindung ist nicht auf Holzdekore beschränkt. Ebenso lässt sich mit dem erfindungsgemäßen Verfahren auch die Variantenanzahl von mit Stein- bzw. Fliesendekoren bedruckten Dekorpapieren steigern. So kann beispielsweise ein mittels Walzendruck (Tiefdruck) aufgedrucktes Natur- steindekor variiert werden, indem mittels des mindestens einen Digitaldruckkopfes„Einschlüsse" oder sonstige markante Stellen auf das als Basis dienende Natursteindekor aufgedruckt werden. The application of the present invention is not limited to wood designs. Likewise, the number of variants of decor papers printed with stone or tile decors can also be increased with the method according to the invention. Thus, for example, a natural stone decor printed by means of roller printing (gravure printing) can be varied by printing "inclusions" or other distinctive locations on the natural stone decor which serves as the basis by means of the at least one digital print head.

Eine weitere vorteilhafte Ausgestaltung des erfindungsgemäßen Verfahrens ist dadurch gekennzeichnet, dass mittels des mindestens einen Druckwalzenwerkes eine oder mehrere Teilflächen der mit dem Dekor zu versehenden Oberfläche des Papiers bedruckt werden, und dass eine oder mehrere mittels des mindestens einen Druckwalzenwerkes nicht bedruckte Teilflächen mittels des mindestens einen Digitaldruckkopfes bedruckt werden. Diese Ausgestaltung ist insbesondere dann von Vorteil, wenn das mindestens eine Dekorelement, welches mittels des mindestens einen Digitaldruckkopfes aufgedruckt wird, eine relativ große Flächenausdehnung aufweist und eine entsprechende Teilfläche eines zuvor aufgedruckten Dekors verdecken würde. Denn indem die Teilfläche, die nach dem Walzendruck mittels des mindestens einen Digitaldruckkopfes bedruckt wird, zuvor beim Walzendruck ausgelassen wird, lässt sich beim A further advantageous embodiment of the method according to the invention is characterized in that by means of the at least one printing cylinder unit one or more partial surfaces of the decor to be provided with the decor Surface of the paper to be printed, and that one or more by means of the at least one printing cylinder unit not printed partial areas are printed by means of the at least one digital printhead. This embodiment is particularly advantageous if the at least one decorative element, which is printed by means of the at least one digital print head, has a relatively large surface area and would conceal a corresponding partial area of a previously printed decoration. Because by the partial area, which is printed after the roller pressure by means of the at least one digital printhead, previously omitted in the roller pressure, can be during

Walzendruck Druckfarbe sparen. Roller pressure save ink.

Vorrichtungstechnisch wird diese Ausgestaltung vorzugsweise dadurch realisiert, dass das mindestens eine Druckwalzenwerk mindestens eine Druckwalze, insbesondere Gravurwalze oder Gummituchwalze aufweist, die in ihrer Mantel- fläche mindestens eine Ausnehmung zur Erzeugung eines nicht bedruckten Bereichs auf dem Papier enthält. In terms of apparatus, this embodiment is preferably realized in that the at least one pressure roller unit has at least one pressure roller, in particular gravure roller or blanket roller, which contains in its circumferential surface at least one recess for producing a non-printed area on the paper.

Ferner beinhaltet diese Ausgestaltung auch die Möglichkeit, die Reihenfolge von Walzendruck und Digitaidruck zu variieren, d.h. der Walzendruck muss bei dieser Ausgestaltung nicht zwangsläufig vor dem Digitaldruck durchgeführt werden; er kann bei Bedarf auch nach dem Digitaldruck durchgeführt werden. Des Weiteren ermöglicht diese Ausgestaltung eine Anordnung des mindestens einen Digitaldruckkopfes zwischen zwei den Walzendruck ausführenden Druckwalzenwerken. Further, this design also includes the ability to vary the order of roll printing and digital printing, i. the roller pressure does not necessarily have to be performed before the digital printing in this embodiment; If required, it can also be carried out after digital printing. Furthermore, this embodiment enables an arrangement of the at least one digital printhead between two printing roller units which execute the roller printing.

Eine weitere vorteilhafte Ausgestaltung der Erfindung besteht darin, dass mehrere Druckköpfe in Vorschubrichtung des Papiers hintereinander angeordnet werden. Diese Ausgestaltung ermöglicht die Realisierung einer hohen Vorschubgeschwindigkeit des Papiers bei dessen Bedruckung, wobei die Digitaldruck- köpfe, die üblicherweise langsamer arbeiten als ein Druckwalzenwerk, jeweils einen Teil des digital aufzudruckenden Dekorelements aufdrucken. Durch diese Aufgabenteilung, bei der jeder Digitaldruckkopf einen Teil der Digitaldruckarbeit übernimmt, kann die Vorschubgeschwindigkeit des zu bedruckenden Papiers gesteigert werden. Eine weitere vorteilhafte Ausgestaltung der Erfindung besteht darin, dass der mindestens eine Digitaldruckkopf in Vorschubrichtung des zu bedruckenden Papiers verfahrbar ist. Hierdurch kann dem Digitaldruckkopf mehr Zeit zum Drucken des jeweiligen Dekorelements gegeben werden, so dass die hohe Druckgeschwindigkeit des mindestens einen Druckwalzenwerkes trotz der herkömmlich vergleichsweise geringeren Druckgeschwindigkeit des Digitaldruckkopfes dennoch beibehalten werden kann. A further advantageous embodiment of the invention is that a plurality of print heads are arranged one behind the other in the feed direction of the paper. This embodiment makes it possible to realize a high feed rate of the paper during its printing, wherein the digital print heads, which usually work more slowly than a printing roll mill, each print a part of the decor element to be printed digitally. Through this Task sharing, where each digital print head does some of the digital printing work, can increase the feed rate of the paper to be printed. A further advantageous embodiment of the invention is that the at least one digital print head in the feed direction of the paper to be printed is movable. In this way, more time can be given to the digital print head for printing the respective decorative element, so that the high printing speed of the at least one printing cylinder unit can still be maintained despite the conventionally comparatively lower printing speed of the digital print head.

Weitere bevorzugte und vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben. Further preferred and advantageous embodiments of the invention are specified in the subclaims.

Nachfolgend wird die Erfindung anhand einer mehrere Ausführungsbeispiele darstellenden Zeichnung näher erläutert. Es zeigen in schematischer The invention will be explained in more detail with reference to a drawing illustrating several embodiments. It show in more schematic

Darstellung: Fig. 1 eine mehrere Druckstationen aufweisende Vorrichtung zur Herstellung von Dekorpapier, in Seitenansicht; 1 shows a device for producing decorative paper having a plurality of printing stations, in side view;

Fig. 2 eine Druckwalze eines Druckwalzenwerkes für eine Vorrichtung Fig. 2 is a pressure roller of a printing roll mill for a device

gemäß Fig. 1 , in perspektivischer Ansicht;  as shown in Figure 1, in perspective view.

Fig. 3 ein Druckwalzenwerk mit einem zugeordneten Digitaldruckkopf, in perspektivischer Ansicht; ein plattenförmiges, mit Dekorpapier beschichtetes Produkt, in Draufsicht; und Fig. 5 ein weiteres plattenförmiges, mit Dekorpapier beschichtetes Produkt, in Draufsicht. 3 shows a printing cylinder unit with an associated digital print head, in a perspective view; a plate-shaped, coated with decorative paper product, in plan view; and Fig. 5 shows another plate-shaped, coated with decorative paper product, in plan view.

In Fig. 1 ist eine Vorrichtung bzw. Anlage zur Herstellung von Dekorpapier zur Beschichtung von Grundkörpern, die aus Trägerplatten aus Holzwerkstoff, Com- pactplatten und/oder Schichtstoffen gebildet sind, dargestellt. Compactplatten werden aus harzgetränkten Zellulosebahnen hergestellt, die unter großem Druck und bei hohen Temperaturen in Laminatpressen verpresst werden. Von einer Vorratsrolle 1 wird Papier 2 abgewickelt, verschiedenen In Fig. 1 is a device or plant for the production of decorative paper for coating of base bodies, which are formed from support plates made of wood material, compacts and / or laminates, is shown. Compact panels are made of resin-impregnated cellulosic sheets, which are pressed under high pressure and at high temperatures in laminate presses. From a supply roll 1 paper 2 is unwound, different

Bearbeitungsstationen 4, 5, 6 zugeführt und anschließend auf einer Rolle 7 aufgewickelt. Die Transportrichtung des Papiers 2 ist in Fig. 1 mit einem Pfeil angedeutet und verläuft von links nach rechts. Anstelle einer Papierbahn 2 können auch großflächige Papierbögen der Reihe nach bearbeitet werden.  Processing stations 4, 5, 6 supplied and then wound up on a roll 7. The transport direction of the paper 2 is indicated in Fig. 1 with an arrow and extends from left to right. Instead of a paper web 2 and large sheets of paper can be processed in order.

Auf das Papier 2 wird zunächst eine im Grundfarbton eines nachfolgend aufgedruckten Dekors gehaltene Basisfarbe mittels (nicht gezeigter) On the paper 2, a basic color held in the basic color tone of a subsequently printed decoration is first of all (not shown) by

Druckwalzen aufgedruckt. Anschließend wird mittels zweier Druckwalzenwerke 4.1 , 5.1 , die jeweils aus einer gravierten Druckwalze (Druckzylinder) 4.1 1 , 5.1 1 mit Färb- und Feuchtwalzen und einem Gummituchzylinder 4.12, 5.12 mit Gegendruckzylinder 8, 9 aufgebaut sind, ein Dekor, beispielsweise ein Holzdekor aufgedruckt. Dieses Druckverfahren wird auch als indirekter Tiefdruck bezeichnet. Printing rollers printed. Subsequently, by means of two printing cylinder units 4.1, 5.1, each of an engraved printing roller (printing cylinder) 4.1 1, 5.1 1 with dyeing and dampening rollers and a blanket cylinder 4.12, 5.12 are constructed with impression cylinders 8, 9, a decor, such as a wood decor printed. This printing process is also referred to as indirect gravure printing.

Den Druckwalzenwerken 4.1 , 5.1 sind Nachbearbeitungsvorrichtungen 4.2, 5.2 nachgeordnet. Die jeweilige Nachbearbeitungsvorrichtung 4.2, 5.2 kann beispielsweise mittels eines Warmluftstroms oder mittels einer elektromagnetischen Strahlung, insbesondere UV-Strahlung eine Trocknung bzw. Teil- trocknung der aufgedruckten Farbe bewirken. Anstelle von zwei oder mehreren Druckwalzen werken 4.1 , 5.1 kann die erfindungsgemäße Vorrichtung bzw. Anlage 1 gegebenenfalls auch nur ein einzelnes Druckwalzenwerk 4.1 oder 5.1 aufweisen. Erfindungsgemäß wird auf einen oder mehrere Teilbereiche des Papiers 2 mittels mindestens eines Digitaldruckkopfes 6.1 mindestens ein Dekorelement gedruckt, so dass das zuvor aufgedruckte Dekor zumindest teilweise sichtbar bleibt oder das zuvor aufgedruckte Dekor das Dekorelement umgibt. Der Digitaldruckkopf 6.1 arbeitet beispielsweise nach dem Prinzip der Strahldrucktechnik, die bei so genannten Tintenstrahldruckern weit verbreitet ist. In Fig. 1 ist unterhalb der digitalen Auftragsvorrichtung 6.1 ein kurzer Strich eingezeichnet, der einen Tröpfchenstrahl oder mehrere in Reihe positionierte Tröpfchenstrahlen andeutet. Die digitale Auftragsvorrichtung 6.1 ist derart ausgebildet, dass sie quer zur Bewegungsrichtung der Papierbahn 2 stellenweise oder zeilenweise ein oder mehrere Dekorelemente auf die Papierbahn aufdruckt. Dieser Digitaldruck druckt somit nicht vollflächig, sondern lediglich partiell. The printing cylinder units 4.1, 5.1 are post-processing devices 4.2, 5.2 arranged downstream. The respective post-processing device 4.2, 5.2 can, for example, by means of a hot air flow or by means of electromagnetic radiation, in particular UV radiation cause drying or partial drying of the printed color. Instead of two or more pressure rollers works 4.1, 5.1, the device or system 1 according to the invention may optionally also have only a single printing cylinder unit 4.1 or 5.1. According to the invention, at least one decorative element is printed onto one or more partial areas of the paper 2 by means of at least one digital print head 6.1, so that the previously printed decor remains at least partially visible or the previously printed decor surrounds the decorative element. The digital printhead 6.1 operates, for example, on the principle of the jet printing technology, which is widely used in so-called inkjet printers. In Fig. 1, a short bar is below the digital application device 6.1 indicated that indicates a droplet jet or more in series positioned droplet jets. The digital application device 6.1 is designed in such a way that it prints one or more decorative elements on the paper web in places or in rows transversely to the direction of movement of the paper web 2. This digital printing does not print completely, but only partially.

Mit dem Digitaldruckkopf 6.1 kann einfarbig oder mehrfarbig gedruckt werden. Beispielsweise kann der Digitaldruckkopf 6.1 mit einer Farbpatrone ausgestattet sein, die eine einzelne Farbe oder farbige Tinte enthält. Alternativ oder zusätzlich kann der Digitaldruckkopf 6.1 aber auch mit einer oder mehreren Farbpatronen versehen sein, die mehrere Kammern mit verschiedenen Tinten bzw. Farben aufweisen bzw. bilden, beispielsweise die Farben gelb, blau und rot als Grund- färben enthalten, so dass der Digitaldruckkopf 6.1 in einem Pass auch mehrere bzw. verschiedene Farben gleichzeitig drucken kann. With the digital print head 6.1 can be printed in one color or multi-color. For example, the digital printhead 6.1 may be equipped with a color cartridge containing a single color or colored ink. Alternatively or additionally, however, the digital print head 6.1 can also be provided with one or more color cartridges which comprise or form a plurality of chambers with different inks or colors, for example containing the colors yellow, blue and red as base dyeings, so that the digital print head 6.1 in a pass also several or different colors can print at the same time.

Bei den Dekorelementen handelt es sich beispielsweise um Abbildungen von Ästen (d.h. Astquerschnitten), Einschlüssen, Verwachsungen, Maserungs- fehlem, Maserknollen, Jahresringen, Darstellungen von hellem Splintholz, Fraßgängen (z.B. Holzwurmlöchern/-gängen), Nagel- und/oder Schraubenköpfen, etc.. The decorative elements are, for example, images of branches (ie branch cross-sections), inclusions, adhesions, grain defects, grain tufts, annual rings, representations of light sapwood, Feeding ducts (eg woodworm holes / gangways), nail and / or screw heads, etc ..

Des Weiteren oder alternativ kann es sich bei den Dekorelementen auch um Einschlüsse oder sonstige markante Stellen von Steindekoren handeln. Furthermore or alternatively, the decorative elements may also be inclusions or other distinctive locations of stone decors.

Unter dem Begriff„Dekorelement" können im vorliegenden Kontext auch Logos verstanden werden. Bei den Logos handelt es sich beispielsweise um Firmennamen, Wort-Bild marken, Slogans, Aufdrucken, wie sie auf Frachtkisten üblich sind, etc.. In the present context, the term "decorative element" can also be understood to mean logos.The logos are, for example, company names, word-picture marks, slogans, imprints, as are customary on freight crates, etc.

Ferner ist ein Computer 6.2 als Mittel zum Erzeugen einer Punkteverteilung zur Ansteuerung der digitalen Auftragsvorrichtung 6.1 mit derselben verbunden. Der Computer 6.2 bereitet digitale Ansteuerinformationen auf und überträgt diese auf den Digitaldruckkopf 6.1 . Furthermore, a computer 6.2 as means for generating a dot distribution for driving the digital application device 6.1 is connected to the same. The computer 6.2 processes digital control information and transmits it to the digital printhead 6.1.

Die Bilddaten verschiedener Varianten der genannten Dekorelemente und/oder Logos sind in einem Datenspeicher 6.3 des Computers 6.2 hinterlegt. Des Weiteren ist der Computer 6.2 mit einem Zufallsgenerator 6.4 versehen. Der Zufallsgenerator 6.4 dient dazu, verschiedene Varianten eines oder mehrererThe image data of different variants of said decorative elements and / or logos are stored in a data memory 6.3 of the computer 6.2. Furthermore, the computer 6.2 is provided with a random number generator 6.4. The random number generator 6.4 is used to different variants of one or more

Dekorelemente, z.B. Äste sowie helle Splintholzanteile, nach einem Zufallsprinzip auszuwählen sowie die Position des jeweiligen Dekorelements auf dem Papier 2 in X- und/oder Y-Richtung ebenfalls nach einem Zufallsprinzip vorzugeben. Decorative elements, e.g. Branches and bright sapwood parts to select at random and to specify the position of the respective decorative element on the paper 2 in the X and / or Y direction also according to a random principle.

Es liegt ferner im Rahmen der Erfindung, dass der Computer 6.2 nicht nur nach einem Zufalisprinzip ein Dekorelement aus einer Vielzahl von Dekorelementen auswählen kann, sondern ein Dekorelement auch abwandeln, insbesondere verfremden kann. So kann beispielsweise die Form eines ellipsenförmigen Dekorelements, beispielsweise eines ellipsenförmigen Astquerschnittes oderIt is also within the scope of the invention that the computer 6.2 can not only select a decor element from a plurality of decorative elements according to a Zufalisprinzip, but also modify a decorative element, in particular can alienate. For example, the shape of an elliptical decorative element, for example, an elliptical branch cross-section or

Steineinschlusses, durch Variieren der Länge der Haupt- und/oder Nebenachse der Ellipse abgewandelt werden. Des Weiteren umfasst die Erfindung auch eine Ausgestaltung, bei welcher der Computer 6.2 nach einem Zufallsprinzip Dekorelemente sogar erzeugen kann, beispielsweise geometrische Formen wie einen Kreis, ein Quadrat, Dreiecke, Trapeze, Polygone, oder Linien oder gar komplexe Dekorelemente. Stone inclusion, by varying the length of the main and / or minor axis the ellipse are modified. Furthermore, the invention also includes an embodiment in which the computer 6.2 can even produce decorative elements according to a random principle, for example geometric shapes such as a circle, a square, triangles, trapezoids, polygons, or lines or even complex decorative elements.

An die digitale Auftragsvorrichtung 6.1 schließt sich wie zuvor auch an die Walzendruckwerke 4.1 , 5.1 eine Nachbearbeitungsvorrichtung 6.5 an, um das oder die zuvor aufgebrachten Dekorelemente zu trocknen. To the digital application device 6.1 is followed as before to the roller printing units 4.1, 5.1, a post-processing device 6.5 to dry the or the previously applied decorative elements.

Auf die digitale Auftragsvorrichtung 6.1 bzw. die Nachbearbeitungsvorrichtung 6.5 können weitere Bearbeitungsstationen (nicht gezeigt) folgen, mittels denen auf das Dekor einschließlich der aufgedruckten Dekorelemente eine On the digital applicator 6.1 or the post-processing device 6.5 further processing stations (not shown) may follow, by means of which on the decor including the printed decorative elements a

transparente Schutzschicht (Verschleißschutzschicht) aufgebracht wird. transparent protective layer (wear protection layer) is applied.

Mit den Walzendruckwerken 4.1 , 5.1 kann zunächst eine Seite der Papierbahn 2 vollflächig mit einem Holzdekor oder Steindekor, beispielsweise Steinfliesenoder Natursteindekor versehen werden, worauf dann mit dem mindestens einen Digitaldrucker 6.1 ein oder mehrere einzelne Oberflächenbereiche der Papier- bahn 2 zusätzlich bedruckt werden. With the roller printing units 4.1, 5.1, one side of the paper web 2 can be provided over the entire surface with a wood decoration or stone decor, for example stone tiles or natural stone decor, whereupon one or more individual surface regions of the paper web 2 are additionally printed with the at least one digital printer 6.1.

Alternativ oder ergänzend sieht die Erfindung vor, dass mit dem Walzendruckverfahren nur ein bestimmter Oberflächenbereich des Papiers 2 bedruckt wird und dass der oder die dabei nicht bedruckten Bereiche mittels mindestens eines Digitaldruckers 6.1 bedruckt werden. Diese Ausgestaltung ist in Fig. 2 skizziert.Alternatively or additionally, the invention provides that with the roller printing method only a certain surface area of the paper 2 is printed and that the one or the non-printed areas are printed by at least one digital printer 6.1. This embodiment is sketched in FIG.

Dort ist zu erkennen, dass ein Druckwalzen werk mindestens eine Druckwalze, insbesondere Gummituchwalze 5.12 aufweist, die in ihrer Mantelfläche mindestens eine Ausnehmung 5.13 zur Erzeugung eines nicht bedruckten Bereichs 2.1 auf der Papierbahn oder dem Papierbogen 2 enthält. Der There, it can be seen that a pressure roller mechanism has at least one pressure roller, in particular blanket roller 5.12, which contains in its lateral surface at least one recess 5.13 for generating a non-printed area 2.1 on the paper web or the paper sheet 2. Of the

Druckwalze 5.12 ist ein Digitaldrucker 6.1 nachgeordnet, der an einer einenPressure roller 5.12 is followed by a digital printer 6.1, which is connected to a

Zufallsgenerator 6.4 aufweisenden Steuerung 6.2 angeschlossen ist, wobei die Steuerung ein in den Papierbereich 2.1 zu druckendes Dekorelement aus einer Gruppe von Dekorelementen nach einem Zufallsprinzip ausgewählt oder erzeugt. Mit einem Druckwalzenwerk 5.1 der in Fig. 2 skizzierten Art können in Random generator 6.4 having controller 6.2 is connected, wherein the Control selected in the paper area 2.1 decorative element to be printed from a group of decorative elements on a random basis or generated. With a printing cylinder unit 5.1 of the sketched in Fig. 2 Art can in

Kombination mit einem Digitaldrucker 6.1 beispielsweise Fantasiedekore mit einem Stein- oder Fliesenmuster erstellt werden, bei denen ein durch die  Combined with a digital printer 6.1, for example, Fantasy decors are created with a stone or tile pattern in which a through the

Druckwalze 5.12 erzeugtes Basisdekor durch Dekorfliesen, Ornamente, Platen roller 5.12 generated base decor by decorative tiles, ornaments,

Intarsienbilder, Logos, etc., die in die zunächst nicht bedruckten Bereiche 2.1 mittels des Digitaldruckes gedruckt werden, ergänzt bzw. vervollständigt werden. Intarsienbilder, logos, etc., which are printed in the initially unprinted areas 2.1 by means of digital printing, supplemented or completed.

Bei regelmäßigen Dekoren, wie zum Beispiel einem Bild einer Kieselsteinfläche (Schüttung aus Kieselsteinen), Kaffeebohnenschüttung, etc., kann mit einer Vorrichtung gemäß Fig. 2 das Dekor variiert werden, indem die ansonsten regelmäßige Ornamentanordnung auf der Druckwalze (Gravurwalze oderFor regular decors, such as a picture of a pebble surface (bed of pebbles), coffee beans, etc., can be varied with a device according to FIG. 2, the decor by the otherwise regular ornament arrangement on the platen (engraved or

Gummituchzylinder 5.12) bewusst mit Ausnehmungen (bzw. gravurfreien Zonen) 5.13 versehen wird, wobei in die durch diese gravurfreien Zonen erzeugten Bereiche 2.1 der Papierbahn 2 hinein modifizierte Ornamente mit dem Blanket cylinder 5.12) is deliberately provided with recesses (or engraving-free zones) 5.13, wherein in the areas generated by these engraving zones 2.1 of the paper web 2 into modified ornaments with the

Digitaldrucker 6.1 gedruckt werden, zum Beispiel in einer unterschiedlichen Farbe oder in einer anderen Ausrichtung oder verzerrt usw.. Digital printers 6.1 are printed, for example, in a different color or in a different orientation or distorted, etc.

In Fig. 3 ist ein Ausführungsbeispiel einer erfindungsgemäßen Vorrichtung dargestellt, bei der mindestens ein Digitaldruckkopf 6.1 einer Gummituchwalze 5.12 eines D ruckwalzen werks 5.1 zugeordnet ist. Der Digitaldrucker 6.1 druckt dabei auf die Gummituchwalze 5.12, die das mittels des Digitaldruckkopfes 6.1 aufgebracht Dekorelement auf den zu bedruckenden Papierbogen 2 überträgt. Das so aufgebrachte Dekor wird mittels der nachgeordneten Nachbearbeitungsvorrichtung 6.5 zumindest teilweise getrocknet. Mit einer Vorrichtung 1 gemäß Fig. 1 ist es insbesondere möglich, ein Dekor als mehrfarbiges Dekor zu drucken, wobei mit jedem der Druckwalzenwerke 4.1 , 5.1 eine andere Farbe des Dekors auf die Papierbahn oder den Papierbogen 2 gedruckt wird, und wobei eine Farbe des mehrfarbigen Dekors mittels der den mindestens einen digitalen Druckkopf 6.1 aufweisenden digitalen Druckstation 6 auf die Papierbahn oder den Papierbogen 2 gedruckt wird. So können beispiels- weise ohne einen Druckwalzenwechsel verschiedene Holzdekore (Holzarten) gedruckt werden, jedenfalls solange sich die Holzarten in ihrer typischen In Fig. 3, an embodiment of a device according to the invention is shown, in which at least one digital print head 6.1 a blanket roller 5.12 of a D jerking roller plant 5.1 is assigned. The digital printer 6.1 prints on the blanket roller 5.12, which transfers the applied by means of the digital print head 6.1 decorative element on the paper sheet 2 to be printed. The decor thus applied is at least partially dried by means of the downstream finishing device 6.5. With a device 1 according to FIG. 1, it is in particular possible to print a decor as a multicolored decoration, wherein with each of the printing cylinder units 4.1, 5.1 another color of the decoration is printed on the paper web or the paper sheet 2, and wherein a color of the multicolored decoration is printed on the paper web or the paper sheet 2 by means of the digital printing station 6 having the at least one digital print head 6.1. For example, different wood designs (types of wood) can be printed without a pressure roller change, at least as long as the wood species are in their typical

Grundstruktur (Maserung) nicht zu stark unterscheiden. Das spart erhebliche Rüstzeiten, wobei der erforderliche Farbwechsel alleine vergleichsweise einfach und schnell durchgeführt werden kann. Basic structure (grain) do not differ too much. This saves considerable set-up times, whereby the required color change alone can be carried out comparatively easily and quickly.

In Fig. 4 ist in Draufsicht eine Platte dargestellt, die mit einem nach dem erfindungsgemäßen Verfahren hergestellten Dekorpapier 2 beschichtet ist. Die Platte weist ein Holzdielendekor 2.2 auf, das mittels Druckwalzen 4.1 , 5.1 erzeugt wurde. Ferner weist die Platte bzw. das Dekorpapier 2 Dekorelemente 2.3 in Form von Ästen auf, die mittels mindestens eines Digitaldruckkopfes 6.1 erzeugt wurden. Die Form und/oder Größe der Äste 2.3 sowie ihre Position auf der Oberfläche wurden zufällig festgelegt. Hierzu ist der mindestens eine Digitaldruckkopf 6.1 an einer einen Zufallsgenerator 6.4 aufweisenden Steuerung 6.2 angeschlossen (vgl. Fig. 1 ), die das jeweilige Astbild 2.3 als Dekorelement aus einer Gruppe von Dekorelementen nach einem Zufallsprinzip auswählt und auch die Druckposition des jeweiligen Astbildes 2.3 auf der mit dem Dekor 2.2 zu versehenden Oberfläche des Papiers 2 nach einem Zufallsprinzip vorgibt. 4, a plate is shown in plan view, which is coated with a decorative paper 2 produced by the process according to the invention. The plate has a Holzdielendekor 2.2, which was produced by means of pressure rollers 4.1, 5.1. Furthermore, the plate or decorative paper 2 decor elements 2.3 in the form of branches, which were generated by means of at least one digital printhead 6.1. The shape and / or size of the branches 2.3 and their position on the surface were determined randomly. For this purpose, the at least one digital printhead 6.1 is connected to a controller 6.2 which has a random number generator 6.4 (see Fig. 1), which selects the respective branch image 2.3 as a decorative element from a group of decorative elements according to a random principle and also the printing position of the respective branch image 2.3 on the with the decor 2.2 to be provided surface of the paper 2 according to a random principle.

Fig. 5 zeigt schematisch eine mit einem Dekorpapier 2' beschichtete Holzwerk- stoffplatte in Draufsicht. Das nach dem erfindungsgemäßen Verfahren hergestellte Dekorpapier 2' ist ebenfalls mit einem Holzdielendekor 2.2' versehen, das mittels Druckwalzen 4.1 , 5.1 erzeugt wurde. Ferner weist die Platte bzw. das Dekorpapier 2' ein Logo 2.4 auf, das mittels eines Digitaldruckkopfes 6.1 erzeugt wurde. Zur Herstellung eines Dekorpapiers 2' mit einem solchen Dekor 2.2', 2.4 eignet sich insbesondere eine Vorrichtung gemäß Fig. 2, aber auch Vorrichtungen gemäß den Figuren 1 und 3. Die Ausführung der Erfindung ist nicht auf die vorstehend beschriebenen Ausführungsbeispiele beschränkt. Vielmehr sind zahlreiche Varianten und Kombinationen denkbar, die auch bei grundsätzlich abweichender Gestaltung von der in den beiliegenden Ansprüchen angegebenen Erfindung Gebrauch machen. FIG. 5 shows a plan view of a wood-based panel coated with decorative paper 2 '. The decorative paper 2 'produced by the process according to the invention is likewise provided with a wooden board decoration 2.2', which was produced by means of pressure rollers 4.1, 5.1. Furthermore, the plate or decorative paper 2 'has a logo 2.4, which was generated by means of a digital print head 6.1. For producing a decorative paper 2 'with such a decor 2.2', 2.4, in particular a device according to FIG. 2, but also devices according to FIGS. 1 and 3 are suitable. The embodiment of the invention is not limited to the exemplary embodiments described above. Rather, numerous variants and combinations are conceivable, which make use even with fundamentally different design of the invention specified in the appended claims.

Claims

P a t e n t a n s p r ü c h e P a n t a n s p r e c h e Verfahren zur Herstellung von Dekorpapier zum Beschichten einer Process for the production of decorative paper for coating a Trägerplatte aus Holzwerkstoff, eines Schichtstoffes und/oder einer Support plate of wood material, a laminate and / or a Compactplatte, bei dem auf ein blatt- oder bandförmiges Papier (2, 2') mittels mindestens eines Druckwalzenwerkes (4.1 , 5.1 ) ein Dekor (2.2, 2.2') gedruckt wird, wobei das Dekor (2.2, 2.2') ein Holz- oder Steindekor ist, dadurch gekennzeichnet, dass auf einen oder mehrere Teilbereiche des Papiers (2, 2') mittels mindestens eines Digitaldruckkopfes (6.1) mindestens ein Dekorelement (2.3, 2.4) gedruckt wird, so dass das mittels des mindestens einen Druckwalzenwerkes (4.1 , 5.1 ) aufgedruckte Dekor (2.2, 2.2') zumindest teilweise sichtbar bleibt oder, sofern das mindestens eine Dekorelement (2.3, 2.4) mittels des mindestens einen Digitaldruckkopfes (6.1 ) vor dem Dekor auf das Papier (2, 2') aufgedruckt wird, das mindestens eine Dekorelement (2.3, 2.4) umgibt, wobei das mindestens eine Compact plate, in which on a sheet or tape-shaped paper (2, 2 ') by means of at least one printing cylinder unit (4.1, 5.1) a decor (2.2, 2.2') is printed, the decor (2.2, 2.2 ') a wood or Stone decor is, characterized in that on one or more portions of the paper (2, 2 ') by means of at least one digital print head (6.1) at least one decorative element (2.3, 2.4) is printed, so that by means of at least one pressure roller mill (4.1, 5.1 ) printed on decor (2.2, 2.2 ') remains at least partially visible or, if the at least one decorative element (2.3, 2.4) by means of the at least one digital printhead (6.1) before the decor on the paper (2, 2') is printed, the at least a decorative element (2.3, 2.4) surrounds, wherein the at least one Dekorelement (2.3, 2.4) im Falle des Holzdekors die Struktur des zu imitierenden Holzes wiedergibt und dabei aus einer insbesondere Äste, Harzgallen, Fraßgänge und Verfärbungen umfassenden Gruppe ausgewählt ist und/oder Nagel- oder Schraubenköpfe und/oder Stöße zwischen Decorative element (2.3, 2.4) in the case of the wood decor reflects the structure of the wood to be imitated and is selected from a particular branches, resin galls, eating galleries and discoloration group and / or nail or screw heads and / or joints between Holzpaneelen wiedergibt, oder im Falle des Steindekors die Struktur des zu imitierenden Steines wiedergibt und dabei aus einer insbesondere Wood panels reproduces, or in the case of stone decor reflects the structure of the stone to be imitated and thereby one of particular Verfärbungen, Einschlüsse und Petrefakte umfassenden Gruppe Discoloration, inclusions and petrefacts comprising group ausgewählt ist und/oder Fugen zwischen Steinfliesen wiedergibt. is selected and / or reflects joints between stone tiles. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass die A method according to claim 1, characterized in that the Druckposition des mindestens einen Dekorelements (2.3, 2.4) auf der mit dem Dekor (2.2, 2.Print position of the at least one decorative element (2.3, 2.4) on the with the decor (2.2, 2. 2') zu versehenden Oberfläche des Papiers nach einem Zufallsprinzip vorgegeben wird. 2 ') to be provided surface of the paper is given at random. 3. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass die 3. The method according to claim 1, characterized in that the Druckposition des mindestens einen Dekorelements (2.3, 2.4) auf der mit dem Dekor (2.2, 2.2') zu versehenden Oberfläche des Papiers nach einem Zufallsprinzip in Längs- und/oder Querrichtung des Papiers vorgegeben wird.  Printing position of the at least one decorative element (2.3, 2.4) on the with the decor (2.2, 2.2 ') to be provided surface of the paper according to a random principle in the longitudinal and / or transverse direction of the paper is specified. 4. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass mittels des 4. The method according to claim 1, characterized in that by means of mindestens einen Druckwalzenwerkes (4.1 , 5.1) eine oder mehrere  at least one printing cylinder unit (4.1, 5.1) one or more Teilflächen der mit dem Dekor (2.2') zu versehenden Oberfläche des Papiers bedruckt werden, und dass eine oder mehrere mittels des mindestens einen Druckwalzenwerkes (4.1 , 5.1 ) nicht bedruckte Teilflächen (2.1 ) mittels des mindestens einen Digitaldruckkopfes (6.1 ) bedruckt werden.  Partial surfaces of the surface of the paper to be provided with the decor (2.2 ') are to be printed, and one or more partial surfaces (2.1) not printed by the at least one printing cylinder unit (4.1, 5.1) are printed by means of the at least one digital print head (6.1). 5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das mindestens eine Dekorelement (2.3) aus einer Gruppe von 5. The method according to any one of claims 1 to 4, characterized in that the at least one decorative element (2.3) from a group of Dekorelementen nach einem Zufallsprinzip ausgewählt wird.  Decorative elements is selected at random. 6. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das mindestens eine Dekorelement (2.3) mittels eines Computers (6.2) nach einem Zufalisprinzip erzeugt wird. 6. The method according to any one of claims 1 to 5, characterized in that the at least one decorative element (2.3) by means of a computer (6.2) is generated according to a Zufalisprinzip. 7. Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass mittels des mindestens einen Digitaldruckkopfes (6.1 ) das mindestens eine Dekorelement (2.3, 2.4) auf eine Druckwalze (5.12) des mindestens einen Druckwalzenwerkes (5.1 ) aufgebracht wird, so dass letztere das mindestens eine Dekorelement (2.3, 2.4) auf die mit dem Dekor (2.2, 2.2') zu versehende Oberfläche des Papiers druckt. 7. The method according to any one of claims 1 to 6, characterized in that by means of the at least one digital printhead (6.1), the at least one decorative element (2.3, 2.4) on a pressure roller (5.12) of the at least one pressure roller mill (5.1) is applied, so that the latter, the at least one decorative element (2.3, 2.4) on the with the decor (2.2, 2.2 ') to be provided surface of the paper prints. 8. Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Dekor (2.2, 2.2') als mehrfarbiges Dekor mittels mehrerer 8. The method according to any one of claims 1 to 7, characterized in that the decor (2.2, 2.2 ') as a multi-colored decor by means of several Druckwalzenwerke (4.1 , 5.1 ) gedruckt wird, wobei mit jedem der  Druckwalzenwerke (4.1, 5.1) is printed, with each of the Druckwalzenwerke (4.1 , 5.1 ) eine andere Farbe des Dekors (2.2, 2.2') auf das Papier (2, 2') gedruckt wird, und wobei eine Farbe des mehrfarbigen Dekors (2.2, 2.2') mittels einer digitalen Druckstation (6) oder einer den mindestens einen digitalen Druckkopf (6.1) aufweisenden digitalen  Druckwalzenwerke (4.1, 5.1) a different color of the decor (2.2, 2.2 ') on the paper (2, 2') is printed, and wherein a color of the multicolor decoration (2.2, 2.2 ') by means of a digital printing station (6) or a digital at least one digital printhead (6.1) having Druckstation (6) auf das Papier (2, 2') gedruckt wird.  Printing station (6) on the paper (2, 2 ') is printed. 9. Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass mehrere Digitaldruckköpfe (6.1 ) in Vorschubrichtung des Papiers (2, 2') hintereinander angeordnet werden. 9. The method according to any one of claims 1 to 8, characterized in that a plurality of digital printheads (6.1) in the feed direction of the paper (2, 2 ') are arranged one behind the other. 10. Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der mindestens eine Digitaldruckkopf (6.1 ) mit dem Papier (2, 2') in dessen Vorschubrichtung verfahren wird. 10. The method according to any one of claims 1 to 9, characterized in that the at least one digital print head (6.1) with the paper (2, 2 ') is moved in the feed direction. 1 1 . Vorrichtung zur Herstellung von Dekorpapier zum Beschichten einer 1 1. Device for producing decorative paper for coating a Trägerplatte aus Holzwerkstoff, eines Schichtstoffes und/oder einer  Support plate of wood material, a laminate and / or a Compactplatte, mit mindestens einem Druckwalzenwerk (4.1 , 5.1 ) zum Drucken eines Dekors (2.2, 2.2') auf ein blatt- oder bandförmiges Papier (2, 2'), wobei das Dekor (2.2, 2.2') ein Holz- oder Steindekor ist,  Compact plate, with at least one printing drum unit (4.1, 5.1) for printing a decoration (2.2, 2.2 ') on a sheet or band-shaped paper (2, 2'), wherein the decor (2.2, 2.2 ') is a wood or stone decor . gekennzeichnet durch mindestens einen Digitaldruckkopf (6.1) zum  characterized by at least one digital print head (6.1) for Drucken mindestens eines Dekorelements (2.3, 2.4) auf einen oder mehrere Teilbereiche des Papiers (2, 2'), so dass das mittels des mindestens einen Druckwalzenwerkes (4.1 , 5.1 ) aufgedruckte Dekor (2.2, 2.2') zumindest teilweise sichtbar bleibt oder, sofern das mindestens eine Dekorelement (2.3, 2.4) mittels des mindestens einen Digitaldruckkopfes (6.1 ) vor dem Dekor auf das Papier (2, 2') aufgedruckt wird, das mindestens eine  Printing at least one decorative element (2.3, 2.4) on one or more subregions of the paper (2, 2 '), so that the decoration (2.2, 2.2') printed by means of the at least one printing cylinder unit (4.1, 5.1) remains at least partially visible, or if the at least one decorative element (2.3, 2.4) is printed by means of the at least one digital print head (6.1) in front of the decoration on the paper (2, 2 '), the at least one Dekorelement (2.3, 2.4) umgibt, wobei das mindestens eine Dekorelement (2.3, 2.4) im Falle des Holzdekors die Struktur des zu imitierenden Holzes wiedergibt und dabei aus einer insbesondere Äste, Harzgallen, Fraßgänge und Verfärbungen umfassenden Gruppe ausgewählt ist und/oder Nageloder Schraubenköpfe und/oder Stöße zwischen Holzpaneelen wiedergibt, oder im Falle des Steindekors die Struktur des zu imitierenden Steines wiedergibt und dabei aus einer insbesondere Verfärbungen, Einschlüsse und Petrefakte umfassenden Gruppe ausgewählt ist und/oder Fugen zwischen Steinfliesen wiedergibt. Decorative element (2.3, 2.4) surrounds, wherein the at least one decorative element (2.3, 2.4) in the case of the wood decor, the structure of the wood to be imitated represents and is selected from a particular branches, resin galls, eating galleries and discoloration comprehensive group and / or reproduces nail or screw heads and / or joints between wood panels, or in the case of stone decor reflects the structure of the stone to be imitated and thereby from a particular discoloration, inclusions and Petrefakte comprehensive group is selected and / or joints between stone tiles reflects. 12. Vorrichtung nach Anspruch 1 1 , dadurch gekennzeichnet, dass der 12. The device according to claim 1 1, characterized in that the mindestens eine Digitaldruckkopf (6.1 ) an einer einen Zufallsgenerator (6.4) aufweisenden Steuerung (6.2) angeschlossen ist, die die Druckposition des mindestens einen Dekorelements (2.3, 2.4) auf der mit dem Dekor (2.2, 2.2') zu versehenden Oberfläche des Papiers nach einem Zufallsprinzip vorgibt.  at least one digital printhead (6.1) is connected to a controller (6.2) having a random generator (6.4), which adjusts the printing position of the at least one decorative element (2.3, 2.4) on the surface of the paper to be provided with the decor (2.2, 2.2 ') a random principle pretends. 13. Vorrichtung nach Anspruch 1 1 oder 12, dadurch gekennzeichnet, dass der mindestens eine Digitaldruckkopf (6.1 ) an einer einen Zufallsgenerator (6.4) aufweisenden Steuerung (6.2) angeschlossen ist, die das mindestens eine Dekorelement (2.3) aus einer Gruppe von Dekorelementen nach einem Zufallsprinzip ausgewählt. 13. The apparatus of claim 1 1 or 12, characterized in that the at least one digital print head (6.1) to a random generator (6.4) having control (6.2) is connected to the at least one decorative element (2.3) from a group of decorative elements chosen at random. 14. Vorrichtung nach einem der Ansprüche 1 1 bis 13, dadurch gekennzeichnet, dass der mindestens eine Digitaldruckkopf (6.1 ) an einer einen 14. Device according to one of claims 1 1 to 13, characterized in that the at least one digital print head (6.1) on a a Zufallsgenerator (6.4) aufweisenden Steuerung (6.2) angeschlossen ist, die das mindestens eine Dekorelement (2.3) nach einem Zufallsprinzip erzeugt.  Random generator (6.4) having control (6.2) is connected, which generates the at least one decorative element (2.3) according to a random principle. 15. Vorrichtung nach einem der Ansprüche 1 1 bis 14, dadurch gekennzeichnet, dass das mindestens eine Druckwalzenwerk (4.1 , 5.1 ) mindestens eine Druckwalze, insbesondere Gravurwalze oder Gummituchwalze (5.12) aufweist, die in ihrer Mantelfläche mindestens eine Ausnehmung (5.13) zur Erzeugung eines nicht bedruckten Bereichs (2.1 ) auf dem Papier (2) enthält. 15. Device according to one of claims 1 1 to 14, characterized in that the at least one pressure roller mill (4.1, 5.1) at least one pressure roller, in particular gravure roller or blanket roller (5.12), in its lateral surface at least one recess (5.13) for generating an unprinted area (2.1) on the paper (2). 16. Vorrichtung nach einem der Ansprüche 1 1 bis 15, gekennzeichnet durch mehrere Druckwalzenwerke (4.1 , 5,1 ) und mindestens eine den mindestens einen digitalen Druckkopf (6.1 ) aufweisende digitale Druckstation (6) zum Drucken des Dekors als mehrfarbiges Dekor (2.2), wobei jedes der 16. Device according to one of claims 1 1 to 15, characterized by a plurality of printing roller units (4.1, 5.1) and at least one at least one digital printhead (6.1) having digital printing station (6) for printing the decor as multicolored decor (2.2) where each of the Druckwalzenwerke (4.1 , 5.1) sowie die digitale Druckstation (6) dem  Printing roller units (4.1, 5.1) and the digital printing station (6) the Drucken einer anderen Farbe des Dekors (2.2) dienen.  Print a different color of the decor (2.2) serve. 17. Vorrichtung nach einem der Ansprüche 1 1 bis 16, gekennzeichnet durch mehrere Digitaldruckköpfe (6.1), die in Vorschubrichtung des Papiers (2, 2') hintereinander angeordnet sind. 17. Device according to one of claims 1 1 to 16, characterized by a plurality of digital printheads (6.1), which are arranged one behind the other in the feed direction of the paper (2, 2 '). 18. Vorrichtung nach einem der Ansprüche 1 1 bis 17, dadurch gekennzeichnet, dass der mindestens eine Digitaldruckkopf (6.1 ) mit dem Papier (2, 2') in dessen Vorschubrichtung verfahrbar ist. 18. Device according to one of claims 1 1 to 17, characterized in that the at least one digital print head (6.1) with the paper (2, 2 ') is movable in its feed direction.
EP11702011.5A 2010-03-09 2011-01-28 Method and apparatus for producing decorative paper for coating plate-shaped basic bodies Active EP2544901B1 (en)

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DE102010010785A DE102010010785B4 (en) 2010-03-09 2010-03-09 Method and device for producing decorative paper for coating plate-shaped basic bodies
PCT/EP2011/051218 WO2011110381A2 (en) 2010-03-09 2011-01-28 Method and apparatus for producing decorative paper for coating plate-shaped basic bodies

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NL2007494C2 (en) * 2011-09-28 2013-04-02 Trespa Int Bv METHOD FOR MANUFACTURING A DECORATIVE FILM AND A DECOR PANEL
BE1020709A3 (en) * 2012-06-15 2014-04-01 Den Steen Consult Trade Bvba Van APPARATUS AND METHOD FOR MANUFACTURING WALL COVERING WITH RELIEF USING SCREEN PRINTING TECHNIQUE.
DE102014104662B4 (en) 2014-04-02 2016-12-01 Wemhöner Surface Technologies GmbH & Co. KG Working method for multi-color digital multicolor printing
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ES2536578T3 (en) 2015-05-26
DE102010010785A1 (en) 2011-09-15
WO2011110381A2 (en) 2011-09-15
PL2544901T3 (en) 2015-10-30
EP2544901B1 (en) 2015-04-15
DE102010010785B4 (en) 2012-04-12

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