EP4367341A1 - Procédé de fabrication d'un revêtement de sol présentant un motif en chevrons - Google Patents

Procédé de fabrication d'un revêtement de sol présentant un motif en chevrons

Info

Publication number
EP4367341A1
EP4367341A1 EP22731549.6A EP22731549A EP4367341A1 EP 4367341 A1 EP4367341 A1 EP 4367341A1 EP 22731549 A EP22731549 A EP 22731549A EP 4367341 A1 EP4367341 A1 EP 4367341A1
Authority
EP
European Patent Office
Prior art keywords
panel
edge
joint
decoration
edges
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.)
Pending
Application number
EP22731549.6A
Other languages
German (de)
English (en)
Inventor
Thorsten Althoff
Lisa TÜRKE
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.)
Windmoeller GmbH
Original Assignee
Windmoeller GmbH
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 Windmoeller GmbH filed Critical Windmoeller GmbH
Publication of EP4367341A1 publication Critical patent/EP4367341A1/fr
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02033—Joints with beveled or recessed upper edges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02161—Floor elements with grooved main surface
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/102—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of fibrous or chipped materials, e.g. bonded with synthetic resins
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/105—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of organic plastics with or without reinforcements or filling materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels

Definitions

  • the invention relates to a method of manufacturing a floor covering with a herringbone pattern, the floor covering being composed of several rectangular panels laid in parallel rows.
  • Such a floor covering is known from DE 201 01 021 U1.
  • the right-angled panels each have two parallel longitudinal edges and two transverse edges running perpendicular thereto. Holding profiles are provided on the longitudinal and transverse edges in order to connect a panel to a panel in the same row or to panels in an already laid row.
  • Each panel has a carrier layer or a core made of a wood material.
  • a surface layer which has a decoration, is arranged on an upper side of the carrier layer.
  • the surface layer comprises a synthetic resin-impregnated decor paper with the decor printed thereon.
  • the decoration reproduces a plurality of first trebles and a plurality of second trebles of the fishbone pattern, the first trebles being arranged at right angles to the second trebles.
  • At least one rod is only partially represented by the decor of the panel.
  • a remnant of the rod is represented by the decor of a neighboring panel that was laid next to it.
  • the neighboring panel is laid against the panel in such a way that the small bar extends beyond the longitudinal edge or the transverse edge of the panel and is continued through the neighboring panel.
  • the floor covering of DE 201 01 021 U1 with the panels arranged in parallel rows, the decor of which simulates a large number of individual sticks, can be laid with less effort. It should be noted that the replica of at least one rod extends over two panels.
  • the object on which the invention is based is to provide a method for producing a floor covering with a herringbone pattern that is easy to carry out and cannot be distinguished, or only with great difficulty, from a floor covering in which the individual strips in the herringbone pattern are laid separately.
  • the invention is characterized in that the decor is printed onto the carrier layer using a digital printing technique and, if the longitudinal edges and/or transverse edges of the panel require post-processing, the post-processing of the edges is carried out before the decor is applied.
  • the decor can be applied with great precision. Inaccuracies in the decor caused by a warp or a uncontrolled growth of the decorative paper used in the prior art in the longitudinal or transverse direction of the panel can be avoided by printing directly onto the carrier layer.
  • the digitally applied decoration can be applied directly to the carrier layer or indirectly to the carrier layer via a previously applied printing base.
  • the printing ground (preferably in white or in another light colour) can be applied to the carrier layer, for example using a roller.
  • the printing ground serves to better bind the ink of the digital print to the carrier layer.
  • the printing ground prevents the usually dark base tone of the carrier layer from falsifying the effect of the different colors of the ink.
  • the panels can be what are known as adhesive goods, which are glued to a subfloor on an underside of the carrier layer.
  • the decor is digitally printed after the edges have been trimmed, i.e. after the edges of the panel have been reworked, which can follow after the individual panels have been cut to size.
  • the precision of the digitally printed decoration can be further increased if, for example, one of the longitudinal edges and/or one of the transverse edges is/are used as a reference edge or reference edges for the printing of the panel.
  • the underside of the carrier layer can be attached directly to the subfloor with the aid of an adhesive.
  • a counteracting layer is provided on the underside of the carrier layer, for example in the form of a plastic film.
  • the plastic film which can be coated on both sides with an adhesive, is located between the carrier layer and the underbody.
  • retaining profiles can be provided on the longitudinal edges and transverse edges, which are preferably molded into the material of the carrier layer.
  • the retaining profiles can include tongue and groove, which ensure a positive fit in the vertical direction.
  • a mechanical locking in the horizontal direction transverse to the edges to be connected can be done by appropriate locking elements.
  • the retaining profiles on the Longitudinal edges can differ from the holding profiles on the transverse edges.
  • the panels are laid using the so-called fold-down laying method, in which the longitudinal edge of the panel to be laid is connected to the longitudinal edges of the panels already laid in the previous row and the transverse edge of the panel is connected to the previous panel in the same row with a single pivoting movement.
  • the retaining profiles can be connected at the transverse edges by a vertical downward movement.
  • the retaining profiles can include a separate locking clip instead of tongue and groove on the transverse edges, as is disclosed in DE 102019 134858, for example.
  • panels are used whose longitudinal edges are twice as long as the transverse edges (ratio 2:1).
  • the ratio of the lengths can also be 3:1 or 4:1. It is also possible that square panels are used in which the longitudinal edges are as long as the transverse edges.
  • Applying the deco using the digital printing technique may involve the use of an inkjet printer.
  • This can be an inkjet printer that uses the single-pass technique to apply different colors (e.g. standard CMYK colors) in one pass.
  • the first bars can run parallel to the longitudinal edges and the second bars of the decoration can run parallel to the transverse edges.
  • the angle between the first double crochet and the second double crochet is 90°.
  • the first rods can also have an angle to the longitudinal edges, preferably an angle of 45°.
  • the surface layer may have a structural element such as an indentation or a ridge which extends beyond the longitudinal edge or transverse edge of the panel and is continued in the surface layer of the adjacent panel.
  • the structural element is preferably produced by a digital printing technique.
  • the digital printing technique both for the production of the decoration and for the production of a structure (relief).
  • the structure can be synchronized with the decor with great accuracy. If the decor reproduces a wood pore, a congruent indentation can be made in the surface layer at this point in order to come even closer to the appearance of a real wood pore.
  • a structure can be introduced into the surface layer, for example, by printing a UV-impermeable ink onto a UV-curable plastic layer.
  • the plastic layer is then cured with UV light, the plastic layer not curing at the points where the UV-impermeable ink has been applied.
  • the uncured material can then be removed by suitable means, resulting in depressions in the plastic layer.
  • an inkjet printer can inject ink into a plastic layer that is still liquid and has not hardened, whereby the kinetic energy of the ink or the momentum of the ink causes small bullet craters to form. These bullet craters are solidified by the subsequent hardening of the plastic layer.
  • a joint can be printed between two adjacent sticks on the same panel.
  • One wale of the herringbone pattern can be completely separated from other wales by a circumferential joint.
  • the printed joint is just a printed line with a line width that corresponds to a joint width B.
  • the printed line may be of a dark shade.
  • the printed seam may include a printed seam structure element.
  • the joint structure element can be a printed elongate indentation or groove that extends along the printed line and is formed congruently with it.
  • the printed joint can come up against the longitudinal edge or the transverse edge of the panel and, once laid, can be continued by a joint on the neighboring panel. The joint thus runs beyond the edges of the panel. This means that a stick that stretches over two laid panels can also be used completely separated from adjacent rods across the joint. Due to the joint pattern of the herringbone pattern, the abutting edges between the laid panels come into the flinterground, which means that a very good reproduction of the herringbone pattern is possible, in which the sticks are laid separately.
  • an edge joint is printed along a partial area of one of the longitudinal edges and/or along a partial area of one of the transverse edges, through which an edge stitch of the panel is separated from an edge stitch of the neighboring panel when laid. If the first small bars have an angle of 45° to the longitudinal edges and the second small bars to the transverse edges, the decoration can be designed in such a way that it has no such edge joints.
  • a joint width BR of the edge joint can correspond to the joint width B of the joint between two small bars on the panel.
  • the entire reproduction of the edge joint can also correspond to the reproduction of the joint in terms of color and joint structure element.
  • an edge joint cannot be distinguished from the joints of the panel that are not at the edge.
  • the edge joint is printed onto the panel completely, ie in the full joint width BR. When installed, the adjacent panel should not have any edge joints in the area where the edge joint is completely printed on the panel. Otherwise, two edge joints would complement each other to form an extra-wide joint, which would clearly stand out from the other joints in the panel.
  • the edge joint can be composed of a first edge joint half on the panel and a second edge joint half on the neighboring panel.
  • the joint widths of the two edge joint halves add up to the joint width of the edge joint assembled in this way.
  • the width of the individual edge joint halves can be the same. It is also possible that the width of the first edge joint half is greater by a factor of 1.0 to 2.0 than the width of the second edge joint half. It should be noted that the The sum of the widths of the two edge joint halves should correspond to the joint width of the remaining joints in the herringbone pattern.
  • a common digital data set is used for the at least one rod, which is only partially represented by the decoration of the panel, and for the rest of the rod, which is represented by the decoration of the neighboring panel.
  • this common data set is then accessed.
  • This data set is also used as a basis for printing the second part of the stick (the rest of the stick) on another panel. The result is that when the panels are laid, the strip is continuous in terms of shade, structure, gloss, etc. and no discontinuities can be seen.
  • the individual panels can be individually printed. Due to the digital printing technique, it is basically possible for each panel to differ from the other panels in terms of decor. However, this requires a not inconsiderable amount of effort to create these individual decors. It has turned out to be pragmatic that with a number of four to twelve, preferably six to ten differently printed panels, there is a sufficiently large number of possible combinations when laying the panels. It is no longer possible for the viewer of the herringbone pattern to identify identically printed panels from the herringbone pattern.
  • the digital data record in particular of the at least one small bar that extends over the edges of the panels, can be processed in order to create new small bars by introducing or omitting design elements (e.g. knotholes in a felt structure).
  • design elements e.g. knotholes in a felt structure.
  • No graphic changes are made in a transition area of the double crochet, i.e. near the longitudinal or transverse edge.
  • the transition area thus remains identical, resulting in a non-visible transition of the chopstick from one panel to the other panel.
  • a width of the transition area (calculated transversely to the longitudinal edge or transverse edge) can be 5 to 20 cm.
  • FIG. 1 shows three panels for forming a herringbone pattern
  • FIG. 2 shows several panels, with individual rods of the herringbone pattern being separated from one another by joints or edge joints;
  • FIG. 3 shows a panel in which edge joint halves lying on one another complement one another to form an edge joint
  • Figure 4 shows two panels schematically in cross section.
  • Figure 1 shows three panels 1 which, when folded, show a herringbone pattern.
  • the panels 1 are each formed at right angles and have two longitudinal edges 10, 11 and two transverse edges 12, 13 perpendicular thereto.
  • the longitudinal edges 10, 11 are twice as long as the transverse edges 12, 13, with the ratio of the length of the longitudinal edges to the length of the transverse edges also being able to assume values other than 2 (e.g. 1, 3 or 4 and non-integer values Values).
  • a preferred length for the longitudinal edges 10, 11 is between 80 and 120 cm.
  • the layer structure of the panel 1 can be seen from FIG.
  • the panel 1 has a carrier layer 20 which can be made of a plastic such as PVC or polyurethane.
  • the plastic can be filled with fillers such as chalk or sand.
  • the carrier layer 20 can also be multi-layered. For example, a reinforcement layer in the form of a non-woven fabric or non-woven fabric can be inserted into the plastic, as a result of which the dimensional stability of the panel 1 can be increased.
  • the carrier layer 20 can alternatively be made from a wood material (for example HDF or MDF board) or from a mixture be made of wood and plastic.
  • the backing layer can be 2 to 12 mm thick, preferably 2.5 to 8 mm thick.
  • a surface layer 30 is arranged on an upper side 21 of the carrier layer 20, which comprises a decoration 31 and a wear layer 32 made of plastic arranged above it. Furthermore, the surface layer 30 includes a printing ground 33 which is arranged between the decoration 31 and the carrier layer 20 . A backing 40 is provided on an underside 22 of the carrier layer 20 .
  • the special features of the elements located in the useful layer 32 will be discussed in more detail later. It is pointed out that the layer thicknesses of the individual layers are not shown to scale in FIG.
  • the surface layer 30 can have a layer thickness of 100 ⁇ m to 800 ⁇ m and is therefore significantly thinner than the carrier layer 20.
  • the decoration 31 of the panel 1 imitates several first bars 50 and several second bars 51 of the herringbone pattern.
  • the first rods 50 run parallel to the longitudinal edges 10,
  • the second rods 51 run perpendicular and parallel to the transverse edges 12, 13.
  • the basic shape of the first rods 50 corresponds to the basic shape of the second rods 51.
  • the first rods 50 and the second rods 51 have the same length I and the same width b.
  • the length I corresponds to the length of the transverse edges 12, 13. Since the panel 1 simulates six first bars 50, the width b is 1/6 of the length of the transverse edges 12, 13. In general, with n first bars 50, the width b of each bar 50, 51 the product of 1/n and the length of the transverse edges
  • a wood grain is shown schematically for a rod 51a.
  • a first part of this rod 51a is arranged in the panel 1 at the top right and a second part of the rod 51a is arranged at the bottom left.
  • the two parts complement each other to form a small stick that runs over the longitudinal edge 10 of time.
  • the arrows 52 in FIG. 1 are intended to make it clear that during laying the first part of the small bar 51a of the panel is placed on the second part of the small bar 51a of a panel of the previous row 2 that was previously laid. Another row of panels is created parallel to the previous row.
  • the individual decoration of the rods 51a is only identical in a transition area 53.
  • the identical transition region 53 makes it possible for the rod 51a to be composed of different first and second parts of the rod 51a without causing a discontinuity.
  • the individual decor can be based on the same digital data set, which can be modified using a suitable image processing program. However, the transition area remains unaffected by modifications, for example in the form of an additional knothole, in order to ensure compatibility between panels with different decors.
  • the other rods 51 are designed.
  • the offset V is half the length of the longitudinal edges 10, 11.
  • FIG. 2 shows several panels 1, with the panels of the previous row 2 and another previous row 3 already being laid. Slightly removed from the previous row 2, a single panel 1 is shown, which can be placed against the previous row 2 without a gap, so that the small bars 51a and 51b each run over the longitudinal edge 10.
  • FIG. 1 shows the decoration of the panels of FIG. 2 in each case with three first small bars 50 and three second small bars 51 .
  • the rods 51 with the exception of the edge rod 51c adjacent to the longitudinal edge 13, are divided in the decor of the panel.
  • the Stumblee 50, 51 are separated by joints 54 from each other.
  • the joints 54 are produced by printing a dark line, with the joint width B being shown somewhat exaggerated in the illustration in FIG. It is clear from FIG. 4 that the joint 54 has a joint structure element 55 in the form of a recess 56 .
  • the indentation can also be introduced using a digital printing technique, so that the dark line and indentation are precisely covered. The interplay of dark line and indentation enables a realistic imitation of a parting line of sticks in a herringbone pattern, which are laid individually.
  • edge joints are provided on the panel 1, which are denoted by 57, 58 and 59 in FIG.
  • the edge joint 57 extends only over a partial area of the longitudinal edge 11 of the panel 1, namely only over that part of the longitudinal edge 11 over which the lower or marginal bar 50c extends.
  • No edge joint is provided in the portion of the longitudinal edge 11 on which the rods 51a, 51b are arranged.
  • edge joint 57 is followed by the edge joint 58, which delimits the edge rod 51c. Finally, the edge joint 59 extends over the entire length of the bar 51c.
  • edge joint 57, 58 and 59 In the assembled state (see previous row 2 and previous row 3), there is a closed joint pattern of joints 54 and edge joints 57, 58 and 59, which cover the gap-free edge joints and not by the edge joints Butt joints 60 (see dot-dash lines in Figure 2) between adjacent longitudinal edges 10, 11 and transverse edges 12, 13 pushes into the background. In the ideal case, these abutting edges 60 are not perceptible at all.
  • FIG. 3 shows an exemplary embodiment in which edge joint halves 61 to 67 are printed on the longitudinal edges 10, 11 and transverse edges 12, 13.
  • the edge joint halves 61 and 62 of a panel in the previous row 2 complement each other with the edge joint half 65 of the panel 1 shown separated and the edge joint half 64 of a previous panel, not shown here.
  • the edge joint half 63 of the front panel also rests against the edge joint halves 66, 67 of the panel 1.
  • the widths of the edge joint halves are designed in such a way that their total corresponds to the joint width B of the remaining joints 54 .
  • a closed joint pattern results, as shown in FIG.
  • a joint width BR of the edge joint created by the joined edge joint halves 67, 63 is drawn in in FIG. In the assembled state, this edge joint also has a recess 56 which can be produced by printing two halves of the recess.
  • structural elements 34 are indicated in the wear layer 32, which are also introduced into the wear layer 34 as depressions. Wood pores, for example, can be simulated with the structural elements 34 .
  • a dot-dash line 68 in FIG. 4 is intended to indicate a butt joint if the edge joint, as described with reference to the exemplary embodiment in FIG. 2, is reproduced completely on a panel and is not composed of two edge joint halves lying against one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Printing Methods (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un revêtement de sol présentant un motif en chevrons. Ledit revêtement de sol est composé d'une pluralité de panneaux rectangulaires (1) qui sont disposés en rangées parallèles. Un panneau (1) présente deux bords longitudinaux parallèles (10, 11) et deux bords transversaux (12, 13) s'étendant perpendiculairement à ceux-ci, une couche de support (20) et une couche de surface (30) dotée d'une décoration (31) qui est disposée sur un côté supérieur (2) de la couche de support (20). La décoration (31) du panneau (1) réplique une pluralité de premières bandes (50) et une pluralité de secondes bandes (51) du motif en chevrons, dont au moins une bande (51a, 51b) est seulement partiellement représentée par la décoration du panneau (1) et le reste de la bande est représenté par la décoration d'un panneau voisin posé de manière adjacente. Ledit panneau voisin est placé contre le panneau (1) de telle sorte que la bande (51), qui s'étend au-delà du bord longitudinal (10, 11) ou du bord transversal (12, 13) du panneau, est continuée par le panneau voisin. L'invention est caractérisée en ce que la décoration soit imprimée sur la couche de support (20) à l'aide d'une technique d'impression numérique et, dans la mesure où les bords longitudinaux (10, 11) et/ou les bords transversaux (12, 13) du panneau (1) nécessitent une finition, celle-ci sera réalisée avant l'application de la décoration.
EP22731549.6A 2021-07-09 2022-05-30 Procédé de fabrication d'un revêtement de sol présentant un motif en chevrons Pending EP4367341A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021117763.4A DE102021117763A1 (de) 2021-07-09 2021-07-09 Verfahren zum Herstellen eines Fußbodenbelags mit Fischgrätenmuster
PCT/EP2022/064617 WO2023280468A1 (fr) 2021-07-09 2022-05-30 Procédé de fabrication d'un revêtement de sol présentant un motif en chevrons

Publications (1)

Publication Number Publication Date
EP4367341A1 true EP4367341A1 (fr) 2024-05-15

Family

ID=82115790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22731549.6A Pending EP4367341A1 (fr) 2021-07-09 2022-05-30 Procédé de fabrication d'un revêtement de sol présentant un motif en chevrons

Country Status (3)

Country Link
EP (1) EP4367341A1 (fr)
DE (1) DE102021117763A1 (fr)
WO (1) WO2023280468A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT414144B (de) 2000-01-14 2006-09-15 Kaindl M Laminatboden
SE0101620D0 (sv) 2001-05-10 2001-05-10 Pergo Ab Embossed decorative boards
BE1016846A3 (nl) * 2005-11-09 2007-08-07 Flooring Ind Ltd Vloerbekleding, vloerpanelen en werkwijze voor het vervaardigen van vloerpanelen.
DE102015222111A1 (de) * 2015-11-02 2017-05-04 Kaindl Flooring Gmbh Paneel und eine Mehrzahl derartiger Paneele umfassendes Paneelgebinde
DE102019134858A1 (de) 2019-12-18 2021-06-24 Windmöller Gmbh Fußbodenpaneel mit separatem Clip für die vertikale Verriegelung

Also Published As

Publication number Publication date
WO2023280468A1 (fr) 2023-01-12
DE102021117763A1 (de) 2023-01-12

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