EP2633295A1 - Procédé de mise en forme visuelle d'une surface en bois d'un panneau et panneau comportant une surface en bois - Google Patents

Procédé de mise en forme visuelle d'une surface en bois d'un panneau et panneau comportant une surface en bois

Info

Publication number
EP2633295A1
EP2633295A1 EP11805385.9A EP11805385A EP2633295A1 EP 2633295 A1 EP2633295 A1 EP 2633295A1 EP 11805385 A EP11805385 A EP 11805385A EP 2633295 A1 EP2633295 A1 EP 2633295A1
Authority
EP
European Patent Office
Prior art keywords
panel
wood surface
printed image
printing
interference region
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.)
Withdrawn
Application number
EP11805385.9A
Other languages
German (de)
English (en)
Inventor
Guido Schulte
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2633295A1 publication Critical patent/EP2633295A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G1/00—Machines or devices for removing knots or other irregularities or for filling-up holes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/043—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using fluoroscopic examination, with visual observation or video transmission of fluoroscopic images
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46—Wood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/10—Different kinds of radiation or particles
    • G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
    • G01N2223/1016—X-ray
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/615—Specific applications or type of materials composite materials, multilayer laminates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/646—Specific applications or type of materials flaws, defects

Definitions

  • the invention relates to a method for the optical design of a wooden surface of a panel according to the features in the preamble of claim 1 and a panel with a wooden surface according to claim 10.
  • these are equipped at the edge with an interconnectable profiling. This can then be glued, for example, or even run without glue.
  • the real wood layer is in this case applied to a mostly flat carrier body, for example in the form of a medium density fibreboard (MDF) or a high density fiberboard (HDF).
  • MDF medium density fibreboard
  • HDF high density fiberboard
  • X-ray-based monitoring systems are sometimes used which detect possible defects in the gluing. About the thereby occurring density measurement so any areas of missing gluing can be located.
  • a weight check of the carrier body can take place via the density measurement, so that its quality can also be monitored.
  • the optical design of the wood surface is influenced.
  • the aim is to reduce the otherwise prevalent high scrap used wood to a minimum.
  • economic marketing is only given if they are almost completely installed.
  • the wood surface applied as a cover layer and / or veneer to a carrier panel often has areas with disturbances ranging, for example, from purely color disturbances to the surface structure of fissuring knotholes. These interference areas must be visually and thereby often mechanically revised before the further processing of the panel, both to meet the aesthetic requirements as well as to give the surface the required lasting strength without outbreaks.
  • DE 10 2008 048 383 discloses an automatic method for patching surfaces with natural patterning, in particular wood panels with their aesthetic reconstruction. After the automatic detection and patching of the defect, for example by milling and introduction of Putty or a dowel, a numerically controlled decoration process is carried out by a print by ink jet, by which the so repaired Stör Schl is locally decorated.
  • the Stör Schemee the wood surface are usually repaired faster and cheaper by hand.
  • areas of the panels, which have, for example, knotholes can be easily prepared and filled in this case.
  • the subsequent printing is then carried out by means of automated methods, wherein the respective print image of the automated printing device is then applied by means of correspondingly provided position coordinates positionally accurate to the previously detected Störbericht.
  • the present invention is therefore based on the object to provide a method by which in a rational and economical way possible interference areas of the wood surface of panels can be reliably detected and visually designed and to create a panel with a wooden surface, the Stör Schl safely detected and visually designed is to make it usable for its intended use.
  • the invention provides a method for optically designing a wooden surface of a panel, which has an interference area, in particular a point to be mechanically reworked, for example in the form of an embossing hole.
  • the method involves first after the provision of the panel repairing the Stör Schls.
  • the position of the repaired fault area is detected, which is followed by transmission of the position coordinates thus obtained to the detected position of the interference area to a printing device.
  • a superficial printing of the repaired fault area is carried out by means of the printing device, in which a corresponding print image is generated.
  • the position of the already repaired Störrios is detected by means of the panel of at least partially penetrating electromagnetic waves.
  • the particular advantage over other detection methods lies in the complete independence of superficially reflected light.
  • the result of the known optical methods always depends on the power of the sensor excited by the reflected light and the existing contrast intensity of the already repaired interference region.
  • the electromagnetic waves that at least partially penetrate the panel are not dependent on the contrast of the interference area with respect to surrounding areas, but also still reach those behind the already existing ones Repair located and no longer externally imperceptible parts of the Störrioss, whereby this is clearly identifiable in its position via a corresponding receiver device
  • the subsequent detection offers the advantage that the panel can be transferred to the printing process step regardless of a prescribed orientation.
  • individual panels can be removed during operation from the series and then reinserted at any time, without informing the system of detection about it. A possibly due to multiple panels away from malformed by faulty in their respective situation print images is excluded.
  • the detection of the interference region by the use of electromagnetic waves basically detects the desired position in real time, which relies on any data already stored in the form of position coordinates.
  • the inclusion of the electromagnetic waves can only take place if necessary.
  • a corresponding threshold value for the purely optical detection of the interference region is stored. If the existing contrast is not sufficient for unambiguous position determination, the detection by means of electromagnetic waves is consulted.
  • the electromagnetic waves are coupled electric and magnetic fields. These can come from the entire electromagnetic wave spectrum, provided that they are suitable for penetrating the panel at least in certain areas. In principle, these include, in addition to radio and microwaves, for example, the infrared and UV rays as well as the gamma radiation.
  • the visible light which likewise belongs to the electromagnetic wave spectrum, corresponds to the state of the art, which usually does not is suitable to penetrate the panel. This especially not if the panel and / or the wooden surface have a corresponding strength.
  • an imaging method can be achieved by means of a suitable device which receives the electromagnetic waves on the side of the panel opposite its origin.
  • the resulting images can be evaluated, for example via a suitable logic, whereupon a controller leads the printing device positionally accurate.
  • the interference region is detected by an X-ray unit in its position. It is preferably a digital X-ray unit. In this case, the interference region is at least partially irradiated.
  • electromagnetic waves X-rays are used. X-ray is a widely used imaging technique.
  • structural analysis of the panel can be distinguished in their density divergent areas. Thus, for example, compared to the surrounding wood surface repaired by means of filler compound and thus denser Stör Schl clearly demarcated.
  • other areas, such as softer sapwood areas can be detected within the wood surface, which elude a purely visual perception.
  • the pictorial representation can for example also be done on an X-ray film or an X-ray storage film, but these are too expensive for industrial use and with regard to a fast manufacturing process rather unsuitable.
  • an X-ray camera can also be used for this purpose, the optics of which are designed to record images which are formed on the surface of a luminescent screen (scintillator) by image conversion of X-radiation into visible light.
  • the images resulting from the X-ray radiation are preferably recorded by an electronic detector.
  • This can be for example a CMOS or CCD sensor.
  • the digital X-ray unit eliminates the time-consuming development of images, making industrial use possible in the first place.
  • the image generated in this way can immediately be detected, for example, by computer technology and further processed in order to generate the required position coordinates for the printing device.
  • Absolute or corresponding relative coordinates are available for the position coordinates, which enable an exact positioning of the interference area on the wood surface for the subsequent processing.
  • the size, shape and orientation as well as the degree of interference can be determined. On this basis, a fully or partially automated process can be carried out, which enables a precise and rational sequence of the necessary process steps.
  • the method according to the invention is preferably used in panels whose interference region is first smoothed before being printed with the printed image.
  • the smoothing can be carried out by mechanical processing, for example by means of grinding, in the case of an area of interference raised above the surrounding areas of the wood surface.
  • the application of putty material leads to a color matching of the perturbation area thus repaired to the areas of the wood surface surrounding it.
  • purely optical systems fail to detect almost regularly.
  • the wood surface may also receive a paint application in the area of disturbance before printing with the printed image. Since the color used should have the highest possible opacity, purely optical detection methods quickly reach their limits. Detection by means of electromagnetic waves, however, does not conceal the thus covered interference region and can be localized accordingly.
  • Such an order can be done, for example, in the form of paint by brushing, rolling, spraying or spraying and a combination thereof.
  • the application of paint can also be applied via a coherent film as a cover layer on the surface of the Stör Anlagenbaus and connected to this example, by an adhesive bond.
  • the paint application here preferably has a uniform color. Depending on requirements, the application of paint can already be given areas with different colors.
  • the composition of the paint application is chosen so that an at least partial opaque wetting of the wood surface in the region of the disturbance takes place, so that the color disturbance does not or only partially shines through.
  • the application of paint provides an excellent basis for the printed image to be printed with the printing device.
  • a light application of color allows for a perfect adaptation of the printed image to the pattern of the wood surface surrounding the interference region.
  • the printing device used is advantageously a matrix printer in which the desired print image is produced by a targeted acceleration or deflection of colored ink droplets.
  • the dot matrix printer is an ink jet printer.
  • the respective printing device works for example, with a continuous stream of ink or with individual accelerated drops.
  • the printing device can also work according to a gravure printing method or an indirect planographic printing method (offset printing). Due to the high flexibility, the use of ink jet printing is preferred.
  • the invention provides that the panels are dyed or decolorized before printing with the printed image in the Stör Symposium.
  • coloration for example, powdery or liquid color pigments are applied in a suitable solution to the area of disturbance and are drawn into the wood.
  • color disturbances which are markedly brighter relative to the surrounding areas of the wood surface can be color-matched in this way before printing with the printed image. Even dark areas can be brightened.
  • the coloring of the wood surface in the region of the disturbance can also be effected by a combination of decolorization and coloring, wherein natural dyes are bleached and the wood surface is supplied with an artificial dye.
  • the optical design of the wood surface in the region of the disturbance can also be effected by a combination of coloration penetrating into the wood surface and an application of paint.
  • the decolorization of the wood surface can be done for example by partial application of stain. In the form of a chemical solution, this is applied for the treatment of the wood surface, for example, by brushing, rolling, spraying or spraying and a combination thereof in the range of color disorder.
  • the stain penetrates into the wood surface, whereby it does not form a superficial layer.
  • the hue of the stain area is changed, which leads to an alignment and equalization of the color disturbance to the surrounding areas of the wood surface.
  • the necessary decolorization of the color disorder can thus be adjusted and offers a color-changed area as the starting point for the printed image.
  • the lightening of the wood surface in the area of the disturbance with respect to the surrounding areas due to the decolorization is preferred here.
  • a combination of decolorization and color application is possible before application of the printed image.
  • the panel After applying the printed image, the panel is sealed.
  • the sealing can be done partially or on the entire surface.
  • the sealing takes over a number of tasks, which are largely used to protect the wood surface.
  • the seal provides a shield against mechanical stress as well as the ingress of moisture, which otherwise can lead to discoloration and swelling of the Holzoberfikiee.
  • the Holzoberfikiee By a UV-absorbing design of the coating, the Holzoberfiambae is also protected from aging by incident sunlight.
  • the component equipped with a wooden surface can be used for different purposes. For example, when used as ceiling, wall or floor panels, different degrees of wear occur, all of which are prepared by the choice of the appropriate seal so their intended use. Basically, the seal can also be done by a suitable finish.
  • the invention provides that the Holzoberfiambae after printing with the printed image is at least partially provided with a coating.
  • the coating can also be carried out in combination with a coating.
  • the sealing of the wood surface is carried out by the coating itself.
  • the coating is applied for this purpose as a firmly adhering layer on the panel, in particular on its wooden surface.
  • the coating can be carried out, for example, chemically, mechanically, thermally or thermomechanically. Depending on the requirement, different layer thicknesses are used for this purpose, whereby a multiple coating is also possible.
  • the coating itself can be transparent or pigmented, whereby the pigmentation serves for a tinting up to the partial or full-surface coloring of the wood surface.
  • the coating can also have its own pattern which, in particular when choosing a transparent coating, effects a combination of coating pattern and wood surface.
  • the invention also provides that the wood surface of the panel is oiled.
  • the oils used are preferably oxidattv drying oils. These dry out by reaction with oxygen. By the use of oxidatively drying oils a direct contact with the wood surface is made possible even after the treatment. A coating or paint eliminates this haptic impression. In addition, the natural look of the wood surface is retained with its matt-silky expression.
  • the use of pigmented oils allows the desired appearance of the wood surface and its protection against UV radiation to be set.
  • the invention provides that the coating has a rough structure on an upper surface facing away from the wood surface.
  • the structure can already be introduced during production of the coating web or embossed into the finished coating. Subsequent structuring after application of the coating to the wood surface is also conceivable.
  • the structuring of the coating can also be produced by introducing and / or applying a further material to the coating.
  • the material for example corundum, in this case is glued onto the coating or already bonded cohesively to it when the coating is produced.
  • the material is incorporated in the paint or the corresponding coating.
  • the panel is provided on the edge with a profiling.
  • the edge profiling is used for the mechanical connection of adjacent to each other laid panels.
  • the profiling may be formed in the form of mutually corresponding closure contours, such as having a tongue and groove connection.
  • the profiling can also be formed by a glue-free click system.
  • the edge profiling takes place on at least two sides of the panel.
  • the respectively opposite edge sides of a rectangularly configured panels can receive a groove on one side and a spring on the opposite side.
  • adjacent panels reach each other via the closure contour in engagement.
  • the profiling can be done both before, during and after the visual design of the wood surface.
  • the panel is first painted surface finished and then edited. This against the background that the paint application in an already profiled panels may possibly lead to undesirable Lackwülsten at the edges. If the panel also receives a chamfer, which also requires a painting, this can be done in two steps accordingly.
  • the bevel is first introduced, whereupon the painting takes place. After painting, the profiling takes place.
  • the panel can also initially be equipped with both the profiling and the bevel before it receives its final finish.
  • the present method provides a highly rational and economical way to reliably detect and visually design interference areas of the wood surface of panels.
  • the detection is independent of the possibly already done repair of the Störrios.
  • the disturbing area possibly covering and reducing the contrast to the surrounding areas of the wood surface materials are simply transilluminated, so that the underlying underneath disturbance can be detected in principle.
  • an optical detection method wherein the use of electromagnetic waves is called in case of need, resulting in almost all conditions reliably occurring detection of the interference regions, which can be selectively printed subsequently.
  • the solution of the objective part of the task consists according to the invention in a panel with a wooden surface according to the features of claim 10.
  • the invention provides a panel with a wooden surface in which a disturbing area of the wood surface is optically designed and thus repaired.
  • the surface of the interference region is printed, for example, with a printed image adapted to a pattern of the wood surface surrounding the interference region.
  • the wooden surface of the component is thus optically designed according to one or more of the method steps described hereinbefore.
  • the detection is preferably carried out by an X-ray unit whose electromagnetic waves in the form of X-rays illuminate the panel.
  • the positional coordinates of the interference region obtained in this way are used to control a printing device, via which the required printed image is applied to the panel in the region of the interference region.
  • the use of the panels according to the invention is basically conceivable in all areas which have a natural wood surface.
  • furnishings such as cabinets, tables and shelves
  • the usability is also in the field of musical instruments and applications, such as in the interior of motor vehicles, given.
  • the panel according to the invention with its optically designed wooden surface on a very economical and thereby the highest demands on the appearance of wood surfaces sufficient opportunity to limit the committee of veneers used for the wood surface to a minimum and reduce the cost of necessary repair work
  • the connected with the wood surface in the form of a veneer, usually flat carrier body can be constructed of various materials, such as solid wood or wood materials such as carpentry, wood fiber, plywood or chipboard and plastics and a combination of the above.
  • a preferred embodiment of the carrier body provides for the use of a material which is as homogeneous as possible and has a high strength and is dimensionally stable with respect to temperature and moisture fluctuations.
  • a carrier body for example, a medium-density wood fiber board (MDF), a high-density fiber board (HDF) or a chipboard (OSB) can be used, these materials may also be combined with each other or with the aforementioned materials.
  • MDF medium-density wood fiber board
  • HDF high-density fiber board
  • OSB chipboard
  • the panels may also receive a coating on a side of the support body opposite the wood surface, for example to form a barrier against rising damp.
  • this coating can also consist of corresponding sound-absorbing materials, for example, have only a low density.
  • the impact sound can also form a layer applied in addition to the coating.
  • FIG. 1 shows a part of a section through a panel 1 according to the invention.
  • the panel 1 is made up of a lower carrier body 2 and a wooden surface 3 applied to the carrier body 2 with reference to the illustration of FIG. The illustration suggests that the panel 1 is a flat body.
  • the wood surface 3 is firmly connected to the carrier body 2 in a manner not shown.
  • the wood surface 3 has on an upper side A of the panel 1 an interference region 4 lying in the visible region.
  • the interference region 4 is a depression within the wood surface 3, which behind the Top A of the panel 1 springs back.
  • the interference region 4 is, for example, the outbreak of an astigloch or another violation of the wood surface 3.
  • the interference region 4 is filled with a filler material 5, which fills the interference region 4 and extends to the top side A of the panel 1.
  • the filling material 5 is, for example, filler material, through which the interference region 4 is smoothed.
  • an X-ray unit 6 is arranged, which is spaced contactlessly from the panel 1.
  • the X-ray unit 6 serves as a source of electromagnetic waves 7, wherein the X-ray unit 6 is directed at a right angle to the panel 1 and the electromagnetic waves 7 at least partially penetrate the panel 1.
  • the electromagnetic waves 7 are preferably X-rays.
  • a receiver device 8 On a side facing away from the wood surface 3 bottom B of the panel 1, a receiver device 8 is arranged, which extends parallel to the position of the panel 1.
  • the electromagnetic waves 7 emitted by the X-ray unit 6 are directed to the receiver device 8.
  • the receiver device 8 is connected to a printing device 9 arranged in the region of the upper side A of the panel 1 such that position coordinates 10 determined by the receiver device 8 can be transmitted to the printing device 9.
  • the interfering region 4 of the panel 1 which lies within the wood surface 3 is first of all repaired, the filling material 5 being introduced into the interference region 4 in the form of filler material.
  • the thus repaired Störberetch 4 can then be mechanically processed and prepared for the upcoming order of a printed image, which is first smoothed and, for example, primed accordingly.
  • the thus repaired panel 1 is then fed to the automated process for the optical design of the wood surface 3, wherein the panel 1 is at least partially penetrated by the electromagnetic waves 7 of the X-ray unit 6.
  • a corresponding structural analysis of the panel 1 takes place via the electromagnetic waves 7 passing through the panel 1 onto the receiver device 8. In this case, for example, the diffraction of the electromagnetic waves 7, in particular of the x-rays, is measured as it passes through the panel 1.
  • the absorption of the electromagnetic waves 7 can also take place.
  • the crystal structure of the panel 1, in particular the wood surface 3, with the repaired Stör Scheme 4 is clarified.
  • the position of the noise region 4 in the wood surface 3 is detected via the receiver device 8, irrespective of any lack of contrast between the filler material 5 and the wood surface 3, possibly due to the repair of the noise region 4.
  • the thus enabled detection of the noise region 4 is also achieved by contrast cancellation For example, by a paint application and a coloring or decolorization of the Störrios 4 and / or the wood surface 3, not hindered.
  • the printing device 9 is advantageously an inkjet printer, by means of which a corresponding printed image is applied to the repaired stub area 4 and / or in regions to the surrounding parts of the wood surface 3.
  • the detection of the interference region 4 and the printing with the printed image on the printing device 9 can be realized in real time, wherein the control of the printing device 9 is controlled directly with the position coordinates 10 of the detected interference region 4.
  • REFERENCE CHARACTERS :

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
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  • Multimedia (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract

L'invention concerne un procédé de mise en forme visuelle d'une surface en bois (3) d'un panneau (1), présentant une zone d'imperfection (4). La zone d'imperfection (4) est d'abord retravaillée et sa position est détectée. La position détectée (4) de la zone d'imperfection (4) est transmise à un dispositif d'impression (9) imprimant une image correspondante sur la zone d'imperfection retravaillée (4). Selon l'invention, la zone d'imperfection (4) est détectée au moyen d'ondes électromagnétiques (7) d'un dispositif à rayons X, traversant au moins partiellement le panneau (1).
EP11805385.9A 2010-10-28 2011-10-28 Procédé de mise en forme visuelle d'une surface en bois d'un panneau et panneau comportant une surface en bois Withdrawn EP2633295A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010049638A DE102010049638A1 (de) 2010-10-28 2010-10-28 Verfahren zur optischen Gestaltung einer Holzoberfläche eines Paneels sowie Paneel mit einer Holzoberfläche
PCT/DE2011/001909 WO2012055399A1 (fr) 2010-10-28 2011-10-28 Procédé de mise en forme visuelle d'une surface en bois d'un panneau et panneau comportant une surface en bois

Publications (1)

Publication Number Publication Date
EP2633295A1 true EP2633295A1 (fr) 2013-09-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11805385.9A Withdrawn EP2633295A1 (fr) 2010-10-28 2011-10-28 Procédé de mise en forme visuelle d'une surface en bois d'un panneau et panneau comportant une surface en bois

Country Status (3)

Country Link
EP (1) EP2633295A1 (fr)
DE (1) DE102010049638A1 (fr)
WO (1) WO2012055399A1 (fr)

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EP3216574B1 (fr) * 2016-03-10 2019-09-25 SWISS KRONO Tec AG Procede de fabrication d'un osb
DE102019122899A1 (de) * 2019-08-27 2021-03-04 Lufthansa Technik Aktiengesellschaft Verfahren zur Kaschierung von optischen Defekten in Oberflächen
CN112207906B (zh) * 2020-10-10 2022-08-09 合浦县福海木业有限公司 一种废旧胶合型多层木材板的回收利用装置
EP4029668B1 (fr) * 2021-01-19 2026-03-04 Flooring Technologies Ltd. Procédé de remplissage des irrégularités dans une plaque en matériau dérivé du bois ou de placage
CN116197981A (zh) * 2023-02-03 2023-06-02 惠州市摩彩装饰材料有限公司 数码打印木皮纹理的uv半开放涂装板的制备方法

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