EP1859912A1 - Panel and process for manufacturing a panel - Google Patents

Panel and process for manufacturing a panel Download PDF

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Publication number
EP1859912A1
EP1859912A1 EP07009019A EP07009019A EP1859912A1 EP 1859912 A1 EP1859912 A1 EP 1859912A1 EP 07009019 A EP07009019 A EP 07009019A EP 07009019 A EP07009019 A EP 07009019A EP 1859912 A1 EP1859912 A1 EP 1859912A1
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EP
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Prior art keywords
panel
embossing
decor
roller
panels
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EP07009019A
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German (de)
French (fr)
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EP1859912B1 (en
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Flooring Technologies Ltd
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Flooring Technologies Ltd
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Priority to PL07009019T priority Critical patent/PL1859912T3/en
Publication of EP1859912A1 publication Critical patent/EP1859912A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/003—Mechanical surface treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • 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

Definitions

  • the invention relates to a panel and a method for producing a panel, in particular a wall, ceiling or floor panel of split wood-based panels with side edges, which have a decor on the top and / or bottom, with a heat-activated resin or a radiation-curable lacquer is coated and the structure of wood-based panel, decor and resin or varnish layer is pressed together by means of at least one embossing roll and at least one counter-pressure roller.
  • a coating is applied to a wood-based panel, for example an MDF or HDF board.
  • the coatings used for this purpose are available in a variety of decors and show, for example, wood decors, stone decors but also fantasy decors.
  • the coating materials are embossed with a three-dimensional structure that corresponds as closely as possible to the natural material. This means that when comparing the natural material with the imitation on the coating as possible no difference should exist between the two surfaces.
  • This means that the individual wood pores and the three-dimensional relief resulting from the early wood and late wood differences is reproduced by an embossing of the coating material. This is known, for example, as embossing a synchronous pore.
  • a device and a method for smoothing surfaces of workpieces made of wood or wood-based materials is known.
  • a heated smoothing tool with a temperature of 200 to 450 ° C over the surface of the workpiece made of wood or wood-based material.
  • the production of decorsynchronous structures takes place in special presses, which provide a corresponding press plate for each decor or for each structure.
  • the press plates are called synchronizer plates.
  • the grain is then pressed at the corresponding point of the coating material, for example an impregnated paper.
  • stable presses are needed which allow a pressure of at least 390 N / cm 2 (40 kg / cm 2 ). The smaller the surface to be pressed, the lower the pressure needed for embossing.
  • a joint in tile structures can be produced at a lower pressure than a so-called handscraped pattern (superimposed structure, eg a wood structure with a worn surface in which the height differences of early and latewood are pressed into the surface of the panel) over a larger area because the pressure can be made more selectively.
  • a so-called handscraped pattern superimposed structure, eg a wood structure with a worn surface in which the height differences of early and latewood are pressed into the surface of the panel
  • very large pressures at least 785 N / cm 2 (80 kg / cm 2 ) are needed.
  • the presses that make it possible to work with such high pressures are very costly and are therefore not frequently used in industry.
  • the utilization of these presses is currently low. If the pore type is to change, a new and costly press plate must be purchased for each of these presses. The problem with this is that this is a time-consuming and expensive process.
  • an embossing depth of 80 to 500 ⁇ m, preferably 250 ⁇ m, of split panels can be achieved before the profiling.
  • both the embossing roller and the counterpressure roller are heated to a temperature of 200-500.degree. C., preferably 230-350.degree. C., in particular preferably 250.degree.
  • the synthetic resin or lacquer layer is melted on the top and / or bottom of the panels so that a structure, e.g. a three-dimensional image of a wooden surface into which the panel surface can be embossed.
  • the panel is inserted between the embossing roller and a counter pressure roller, which provides the propulsion.
  • the rollers it is possible to apply a high pressing pressure of 590-1470 N / cm 2 (60-150 kg / cm 2 ), preferably 785-1175 N / cm 2 (80-120 kg / cm 2 ) to achieve a depth impression to a depth of up to 500 ⁇ m.
  • a high pressing pressure of 590-1470 N / cm 2 (60-150 kg / cm 2 ), preferably 785-1175 N / cm 2 (80-120 kg / cm 2 ) to achieve a depth impression to a depth of up to 500 ⁇ m.
  • an embossing depth of up to 500 microns desired so can be embossed with the embossing roll both in the molten melamine layer as well as in the underlying wood material.
  • superimposed structures with the embossing rollers so-called.
  • Handscraped patterns such as surfaces of worn wood floors can be reproduced with significant early wood latewood differences.
  • chamfers can also be imprinted into the side edges of the panel by the embossing roller and possibly also additionally.
  • machining costs can be saved, since a machining of the panel side edges to produce the chamfers is no longer necessary.
  • the panel is already coated with a decor and a synthetic resin prior to the embossing of the chamfers, a surface seal of the chamfer, e.g. by painting, which takes place after a machining, after the embossing no longer necessary. Subsequent painting is critical, especially in the case of structured surfaces, as the three-dimensional structure can be covered again by applying the varnish.
  • the panels can be deformed banana-like by the high pressure and high temperatures during the embossing, it is advantageous to cool the panels after the embossing by rolling. As a result, the deformation can be corrected again.
  • the synthetic resin layer on the top and / or bottom of the panels may be directly applied by one or more printing operations.
  • the synthetic resin can be applied with a basis weight of about 200 to 300 g / m 2 .
  • synthetic resins it is possible to apply not only melamine resin but also other amino resins, for example urea or phenolic resins or other synthetic resins.
  • the paint view can be applied by one or more printing operations directly on the top and / or bottom.
  • an electron beam curable varnish with wear and scratch-inhibiting additives is used. Of these, about 150 g / m 2 can be applied.
  • the lacquer layer is then further fully cured with an electron beam with a dose rate of 60 kGray. After structuring, the gloss level is greater than or equal to 85 units (measurement according to EN ISO 2813 at an angle of 60 °).
  • the throughput speed can be 10 to 60 m / min. It is preferably 30 m / min.
  • the line pressure during embossing can be 196 to 1470 N / cm 2 (20 to 150 kg / m 2 ).
  • a chamfer can also be embossed on the side edges of panels which have no deep embossing.
  • the embossing is carried out under high pressure and leads to a deformation of the decorative and synthetic resin or lacquer layer and the underlying wood-based panel. Subsequent sealing of the chamfer surface is not necessary because the decorative and synthetic resin or lacquer layer is not removed. The costs for a subsequent sealing of the chamfer surface are eliminated and the production costs can be reduced.
  • the embossing rollers have a corresponding profile for chamfering on the sides.
  • the rollers, embossing and counter-pressure roller panel width and correspond in the extent of a panel length. This ensures that the embossed pattern does not repeat on a panel.
  • such narrow rollers can be produced within a very short time and can be changed easily. Thus, production and investment costs can be kept low.
  • the embossing of already embossed panels e.g. have a synchronous pore, obtained in a subsequent embossing means of the heated embossing roll, so that two superimposed embossed images can be generated, which can complement each other.
  • the platen roller may have a pattern or a surface roughness to prevent slippage of the panel due to the high pressure.
  • this pattern may be a herringbone pattern, but a three-dimensional logo, such as a company logo, may be used to increase roughness.
  • a multiplicity of different structures can be embossed into the surface of panels.
  • Surfaces with a handscraped design are created or tile joints and tile surfaces, embossed V-joints or by different sized rollers with different radii irregular V-joints as well as deep synchronous pores and the imitation of signs of age or wear of wood surfaces and last company logos or lettering on the bottom - or top of the panels.
  • a generic panel is characterized in that the structure at least partially has a depth of 500 microns.
  • the decor can have a wood, tile or fantasy pattern. These patterns can be enhanced by the imprinting of particularly deep structures in their authentic effect.
  • the decor or the decorative layer may consist of at least one layer, which is executed or applied either as a resin-impregnated paper or in a direct printing process.
  • the structure is executed decorsynchronously.
  • the structure can be embossed both in the top and in the bottom of the panel.
  • FIG. 1 shows the method for producing a panel 1, in particular a floor panel with side edges I, II, III, IV, which has a decor on the top 2 and is coated with a heat-activatable synthetic resin. Decor and synthetic resin layer have been pressed together.
  • the panel 1 is inserted between the embossing roller 4, which has a temperature of about 350 ° C, and the platen roller 5.
  • the embossing roll 4 By the embossing roll 4, a pressure of 1175 N / cm 2 (120 kg / cm 2 ) is applied to the top 2 of the panel 1. Due to the heated embossing roll 4, the heat-activatable synthetic resin is activated on the upper side 2 of the panel 1 and the high pressure causes a so-called hand-scraped design to be impressed in the upper side of the panels 1.
  • the feed of the panel 1 is realized by the counter-pressure roller 5, which presses against the underside 3 of the panel 1 and has a herringbone pattern to increase the surface roughness. Due to the high embossing temperature, the heat-activatable synthetic resin layer of melamine is melted on the surface and can thus be subsequently deformed. The embossing of the structure takes place here both in the melamine resin layer and in the underlying wood material.
  • FIG. 2 shows the inventive method according to FIG. 1 with the difference that, instead of a wood structure in handscraped design, a fantasy pattern with tile joints is embossed into the upper side 2 of the panel 1 by means of an embossing roller 4.
  • the process does not change if, instead of a heat-activatable synthetic resin, a heat-activatable, radiation-curable, in particular electron-beam-curing lacquer is used.
  • the panel 1 is provided with mutually corresponding spring / groove profiles with integrated locking means for releasably connecting adjacent panels.

Abstract

The method involves heating the embossing roll (4) from two hundred to five hundred degree celsius. The panel (1) is introduced between the embossing roll and a counter roll (5). A structure is embossed with a depth up to five hundred micrometers into the heat-activated synthetic resin layer on the top side (2) of the panel with a pressure of five hundred ninety to nine thousand four hundred seventy newton per centimeter square. An independent claim is also included for the application of embossing roll in the method.

Description

Die Erfindung betrifft ein Paneel und ein Verfahren zur Herstellung eines Paneels, insbesondere eines Wand-, Decken- oder Bodenpaneels aus aufgeteilten Holzwerkstoffplatten mit Seitenkanten, die auf der Ober- und/oder Unterseite ein Dekor aufweisen, das mit einem hitzeaktivierbaren Kunstharz oder einem strahlenhärtbaren Lack beschichtet ist und der Aufbau aus Holzwerkstoffplatte, Dekor und Kunstharz- oder Lackschicht untereinander verpresst ist mittels mindestens einer Prägewalze und mindestens einer Gegendruckwalze.The invention relates to a panel and a method for producing a panel, in particular a wall, ceiling or floor panel of split wood-based panels with side edges, which have a decor on the top and / or bottom, with a heat-activated resin or a radiation-curable lacquer is coated and the structure of wood-based panel, decor and resin or varnish layer is pressed together by means of at least one embossing roll and at least one counter-pressure roller.

Die Herstellung von Paneelen, insbesondere Wand-, Decken- oder Bodenpaneelen ist bekannt. Zur Herstellung wird eine Beschichtung auf eine Holzwerkstoffplatte, z.B. eine MDF- oder HDF-Platte aufgebracht. Die Beschichtungen, die hierfür verwendet werden, sind in den verschiedensten Dekoren erhältlich und zeigen beispielsweise Holzdekore, Steindekore aber auch Phantasiedekore. Damit diese Dekore einen natürlichen Werkstoff möglichst genau imitieren können, werden die Beschichtungswerkstoffe mit einer dem natürlichen Werkstoff möglichst genau entsprechenden dreidimensionalen Struktur geprägt. Das bedeutet, dass beim Vergleich des natürlichen Werkstoffs mit dem Imitat auf der Beschichtung möglichst kein Unterschied zwischen den beiden Oberflächen bestehen soll. Dies setzt voraus, dass die dreidimensionale Struktur der Oberfläche beispielsweise eines Echtholzpaneels möglichst exakt von der künstlichen Oberfläche des Beschichtungswerkstoffs nachgebildet wird. Dies bedeutet, dass die einzelnen Holzporen und das dreidimensionale Relief, das aus den Frühholz- und Spätholzunterschieden resultiert durch eine Prägung des Beschichtungswerkstoffs nachgebildet wird. Dieses ist z.B. als Prägung einer Synchronpore bekannt.The production of panels, especially wall, ceiling or floor panels is known. For production, a coating is applied to a wood-based panel, for example an MDF or HDF board. The coatings used for this purpose are available in a variety of decors and show, for example, wood decors, stone decors but also fantasy decors. In order for these decors to be able to imitate a natural material as precisely as possible, the coating materials are embossed with a three-dimensional structure that corresponds as closely as possible to the natural material. This means that when comparing the natural material with the imitation on the coating as possible no difference should exist between the two surfaces. This presupposes that the three-dimensional structure of the surface, for example of a real wood panel, is reproduced as exactly as possible from the artificial surface of the coating material. This means that the individual wood pores and the three-dimensional relief resulting from the early wood and late wood differences is reproduced by an embossing of the coating material. This is known, for example, as embossing a synchronous pore.

Aus der DE 103 56 387 B4 ist eine Vorrichtung und ein Verfahren zum Glätten von Oberflächen von Werkstücken aus Holz oder Holzwerkstoffen bekannt. Zur Glättung der Oberfläche wird ein beheiztes Glättwerkzeug mit einer Temperatur von 200 bis 450 ° C über die Oberfläche des Werkstückes aus Holz oder Holzwerkstoff geführt.From the DE 103 56 387 B4 a device and a method for smoothing surfaces of workpieces made of wood or wood-based materials is known. To smooth the surface, a heated smoothing tool with a temperature of 200 to 450 ° C over the surface of the workpiece made of wood or wood-based material.

Die Herstellung dekorsynchroner Strukturen erfolgt in speziellen Pressen, die für jedes Dekor bzw. für jedes Struktur ein entsprechendes Pressblech bereithalten. Die Pressbleche werden Synchronbleche genannt. Mittels der Synchronbleche wird dann die Maserung an der entsprechenden Stelle des Beschichtungswerkstoffes, z.B. eines imprägnierten Papiers, eingedrückt. Für tiefe und authentische Poren werden stabile Pressen benötigt, welche einen Druck von mindestens 390 N/cm2 (40 kg/cm2) ermöglichen. Je kleiner die einzudrückende Fläche ist, desto geringer kann auch der Druck sein, der für die Prägung benötigt wird. So kann z.B. eine Fuge bei Fliesenstrukturen mit einem geringeren Druck erzeugt werden als ein sog. handscraped Muster (überlagerte Struktur, z.B. eine Holzstruktur mit abgenutzter Oberfläche bei der die Höhenunterschiede von Früh- und Spätholz in die Oberfläche des Paneels eingepresst werden) auf einer größeren Fläche, da der Druck punktueller erfolgen kann. Für tiefe handscraped Muster werden sehr große Drücke, mindestens 785 N/cm2 (80 kg/cm2) benötigt. Die Pressen, die es ermöglichen, mit so großen Drücken zu arbeiten, sind sehr kostenintensiv und werden deshalb nicht häufig in der Industrie genutzt. Außerdem ist die Auslastung dieser Pressen derzeit gering. Wenn sich die Porenart ändern soll, muss für diese Pressen jeweils ein neues und kostenintensives Pressblech angeschafft werden. Problematisch hieran ist, dass dies ein zeit- und kostenintensiver Vorgang ist.The production of decorsynchronous structures takes place in special presses, which provide a corresponding press plate for each decor or for each structure. The press plates are called synchronizer plates. By means of the synchronous plates, the grain is then pressed at the corresponding point of the coating material, for example an impregnated paper. For deep and authentic pores, stable presses are needed which allow a pressure of at least 390 N / cm 2 (40 kg / cm 2 ). The smaller the surface to be pressed, the lower the pressure needed for embossing. For example, a joint in tile structures can be produced at a lower pressure than a so-called handscraped pattern (superimposed structure, eg a wood structure with a worn surface in which the height differences of early and latewood are pressed into the surface of the panel) over a larger area because the pressure can be made more selectively. For deep handscraped patterns very large pressures, at least 785 N / cm 2 (80 kg / cm 2 ) are needed. The presses that make it possible to work with such high pressures are very costly and are therefore not frequently used in industry. In addition, the utilization of these presses is currently low. If the pore type is to change, a new and costly press plate must be purchased for each of these presses. The problem with this is that this is a time-consuming and expensive process.

Ausgehend von dieser Problemstellung ist es Aufgabe der Erfindung, die Herstellung von Paneelen mit dekorierter Oberfläche zu vereinfachen und Prägungen in Paneele ohne spezielle Pressbleche zu ermöglichen.Based on this problem, it is an object of the invention to simplify the production of panels with decorated surface and to allow embossing in panels without special press plates.

Zur Problemlösung zeichnet sich das Verfahren zur Herstellung eines gattungsgemäßen Paneels durch folgende Schritte aus:

  • Aufheizen der Prägewalze auf eine Temperatur von 200 - 500°C,
  • Einführen des Paneels zwischen Prägewalze und einer Gegendruckwalze,
  • Prägen einer Struktur mit einer Tiefe bis zu 500 µm in die hitzeaktivierbare Kunstharz- oder Lackschicht auf der Oberseite des Paneels mit einem Druck von 590 - 1470 N/cm2 (60 - 150 kg/cm2).
To solve the problem, the method for producing a generic panel characterized by the following steps:
  • Heating the embossing roll to a temperature of 200-500 ° C,
  • Inserting the panel between the embossing roller and a counterpressure roller,
  • Embossing a structure with a depth of up to 500 μm into the heat-activatable synthetic resin or lacquer layer on top of the panel with a pressure of 590 - 1470 N / cm 2 (60 - 150 kg / cm 2 ).

Durch die nachträgliche Tiefenprägung mit einer Prägewalze kann eine Prägetiefe von 80 bis zu 500 µm vorzugsweise 250 µm an aufgeteilten Paneelen vor der Profilierung erreicht werden. Dazu werden sowohl die Prägewalze als auch die Gegendruckwalze auf eine Temperatur von 200 - 500°C, vorzugsweise 230 - 350°C insbesondere vorzugsweise 250°C aufgeheizt. Durch die hohe Temperatur wird das Kunstharz- oder die Lackschicht auf der Ober- und/oder Unterseite der Paneele angeschmolzen, so dass über die Prägewalze eine Struktur, z.B. ein dreidimensionales Abbild einer Holzoberfläche, in die Paneeloberfläche geprägt werden kann. Zur Prägung wird das Paneel zwischen der Prägewalze und einer Gegendruckwalze, die für den Vortrieb sorgt, eingeführt.Due to the subsequent deep embossing with an embossing roll, an embossing depth of 80 to 500 μm, preferably 250 μm, of split panels can be achieved before the profiling. For this purpose, both the embossing roller and the counterpressure roller are heated to a temperature of 200-500.degree. C., preferably 230-350.degree. C., in particular preferably 250.degree. Due to the high temperature, the synthetic resin or lacquer layer is melted on the top and / or bottom of the panels so that a structure, e.g. a three-dimensional image of a wooden surface into which the panel surface can be embossed. For embossing, the panel is inserted between the embossing roller and a counter pressure roller, which provides the propulsion.

Je schneller die erzielte Produktionsgeschwindigkeit sein soll, desto höher muss die Temperatur der Prägewalze sein. Vorteilhafterweise ist es durch den Einsatz der Walzen möglich, einen hohen Pressdruck von 590 - 1470 N/cm2 (60 - 150 kg/cm2) vorzugsweise 785 - 1175 N/cm2 (80 - 120 kg/cm2) aufzubringen, um eine Tiefenprägung auf eine Tiefe von bis zu 500 µm zu erreichen. Wird eine Prägetiefe von bis zu 500 µm gewünscht, so kann mit der Prägewalze sowohl in die angeschmolzene Melaminschicht geprägt werden als auch in den darunter liegenden Holzwerkstoff. Vorteilhafterweise können mit den Prägewalzen übergelagerte Strukturen, sog. handscraped Muster, wie z.B. Oberflächen von abgenutzten Holzfußböden mit deutlichen Frühholz-Spätholz-Unterschieden nachgebildet werden.The faster the production speed achieved, the higher the temperature of the embossing roll must be. Advantageously, by using the rollers, it is possible to apply a high pressing pressure of 590-1470 N / cm 2 (60-150 kg / cm 2 ), preferably 785-1175 N / cm 2 (80-120 kg / cm 2 ) to achieve a depth impression to a depth of up to 500 μm. Is an embossing depth of up to 500 microns desired, so can be embossed with the embossing roll both in the molten melamine layer as well as in the underlying wood material. Advantageously, superimposed structures with the embossing rollers, so-called. Handscraped patterns, such as surfaces of worn wood floors can be reproduced with significant early wood latewood differences.

Es ist aber auch möglich, mit den Prägewalzen dekorsynchrone Strukturen ohne handscraped Muster in Paneele einzuprägen, um eine möglichst genaue Imitation eines natürlichen Werkstoffes zu erzielen.But it is also possible to impress with the embossing rollers decor-synchronous structures without handscraped pattern in panels in order to achieve the most accurate imitation of a natural material.

Dadurch dass mehrere Prägewalzen hintereinander angeordnet werden, können unterschiedliche Strukturen in ein Paneel eingeprägt werden.By arranging several embossing rollers in succession, different structures can be embossed into a panel.

Es hat sich gezeigt, dass in die Seitenkanten des Paneels durch die Prägewalze ebenfalls und gegebenenfalls auch zusätzlich Fasen eingeprägt werden können. Vorteilhafterweise können so Bearbeitungskosten gespart werden, da eine spanende Bearbeitung der Paneelseitenkanten zur Erzeugung der Fasen nicht mehr notwendig ist. Da das Paneel vor der Prägung der Fasen schon mit einem Dekor und einem Kunstharz beschichtet ist, ist eine Oberflächenversiegelung der Fase, z.B. durch Lackieren, die nach einer spanenden Bearbeitung erfolgt, nach der Prägung nicht mehr notwendig. Insbesondere bei strukturierten Oberflächen ist eine nachträgliche Lackierung kritisch, da durch den Lackauftrag die dreidimensionale Struktur wieder abgedeckt werden kann.It has been shown that chamfers can also be imprinted into the side edges of the panel by the embossing roller and possibly also additionally. Advantageously, such machining costs can be saved, since a machining of the panel side edges to produce the chamfers is no longer necessary. Since the panel is already coated with a decor and a synthetic resin prior to the embossing of the chamfers, a surface seal of the chamfer, e.g. by painting, which takes place after a machining, after the embossing no longer necessary. Subsequent painting is critical, especially in the case of structured surfaces, as the three-dimensional structure can be covered again by applying the varnish.

Da die Paneele durch den hohen Druck und hohen Temperaturen bei der Prägung bananenartig verformt werden können, ist es vorteilhaft, die Paneele nach der Prägung durch Walzen zu kühlen. Hierdurch kann die Verformung wieder behoben werden.Since the panels can be deformed banana-like by the high pressure and high temperatures during the embossing, it is advantageous to cool the panels after the embossing by rolling. As a result, the deformation can be corrected again.

Mit dem erfindungsgemäßen Verfahren ist es auch möglich, bereits geprägte Paneele mit der Prägewalze zu prägen, um so überlagerte Strukturen auf der Oberfläche von Paneelen zu erzeugen.With the method according to the invention it is also possible to emboss already embossed panels with the embossing roll so as to produce superimposed structures on the surface of panels.

Die Kunstharzschicht auf der Oberseite und/oder Unterseite der Paneele kann durch einen oder mehrere Druckvorgänge direkt aufgebracht werden. Um besonders dicke Kunstharzschichten zu realisieren, kann das Kunstharz mit einem Flächengewicht von etwa 200 bis 300 g/m2 aufgebracht werden. Als Kunstharze können neben Melaminharz auch andere Aminoplastharze, z.B. Harnstoff- oder Phenolharze oder weitere Kunstharze aufgebracht werden. Auch die Lacksicht kann durch einen oder mehrere Druckvorgänge direkt auf die Oberseite und/oder Unterseite aufgebracht werden. Vorzugsweise wird ein elektronenstrahlhärtbarer Lack mit verschleiß- und kratzhemmenden Zusatzstoffen verwendet. Hiervon können etwa 150 g/m2 aufgetragen werden. Die Lackschicht wird dann mit einem Elektronenstrahl mit einer Dosisleistung von 60 kGray weiter vollständig ausgehärtet. Nach der Strukturierung stellt sich ein Glanzgrad von größer oder gleich 85 Einheiten (Messung nach EN ISO 2813 unter einem Winkel von 60°) ein.The synthetic resin layer on the top and / or bottom of the panels may be directly applied by one or more printing operations. In order to realize particularly thick synthetic resin layers, the synthetic resin can be applied with a basis weight of about 200 to 300 g / m 2 . As synthetic resins, it is possible to apply not only melamine resin but also other amino resins, for example urea or phenolic resins or other synthetic resins. Also, the paint view can be applied by one or more printing operations directly on the top and / or bottom. Preferably, an electron beam curable varnish with wear and scratch-inhibiting additives is used. Of these, about 150 g / m 2 can be applied. The lacquer layer is then further fully cured with an electron beam with a dose rate of 60 kGray. After structuring, the gloss level is greater than or equal to 85 units (measurement according to EN ISO 2813 at an angle of 60 °).

Die Durchlaufgeschwindigkeit kann 10 bis 60 m/min betragen. Vorzugsweise beträgt sie 30 m/min. Der Liniendruck beim Prägen kann 196 bis 1.470 N/cm2 (20 bis 150 kg/m2) betragen.The throughput speed can be 10 to 60 m / min. It is preferably 30 m / min. The line pressure during embossing can be 196 to 1470 N / cm 2 (20 to 150 kg / m 2 ).

Zur Problemlösung zeichnet sich ein weiteres Verfahren zur Herstellung eines gattungsgemäßen Paneels durch folgende Schritte aus:

  • Aufheizen der Prägewalze auf eine Temperatur von 200 - 500°C,
  • Einführen des Paneels zwischen Prägewalze und einer Gegendruckwalze,
  • Prägen mindestens einer Fase an mindestens eine Seitenkante (I, II, III, IV) des Paneels (1) mit einem Druck von 590 - 1470 N/cm2 (60 - 150 kg/cm2).
To solve the problem, another method for producing a generic panel is characterized by the following steps:
  • Heating the embossing roll to a temperature of 200-500 ° C,
  • Inserting the panel between the embossing roller and a counterpressure roller,
  • Embossing at least one chamfer on at least one side edge (I, II, III, IV) of the panel (1) at a pressure of 590-1470 N / cm 2 (60-150 kg / cm 2 ).

Durch dieses Verfahren kann auch an die Seitenkanten von Paneelen, die keine Tiefenprägung aufweisen, eine Fase geprägt werden. Die Prägung erfolgt unter hohem Druck und führt zu einer Verformung der Dekor- und Kunstharz- bzw. Lackschicht sowie der darunterliegenden Holzwerkstoffplatte. Eine nachträgliche Versiegelung der Fasenoberfläche ist nicht notwendig, da die Dekor- und Kunstharz- bzw. Lackschicht nicht abgetragen wird. Die Kosten für eine nachträgliche Versiegelung der Fasenoberfläche entfallen und die Produktionskosten können gesenkt werden. Die Prägewalzen weisen zur Fasenprägung an den Seiten ein entsprechendes Profil auf.By means of this method, a chamfer can also be embossed on the side edges of panels which have no deep embossing. The embossing is carried out under high pressure and leads to a deformation of the decorative and synthetic resin or lacquer layer and the underlying wood-based panel. Subsequent sealing of the chamfer surface is not necessary because the decorative and synthetic resin or lacquer layer is not removed. The costs for a subsequent sealing of the chamfer surface are eliminated and the production costs can be reduced. The embossing rollers have a corresponding profile for chamfering on the sides.

Als strahlenhärtbarer Lack kann der zuvor beschrieben elektronenstrahlhärtbare Lack verwendet werden.As the radiation-curable lacquer of the previously described electron beam curable lacquer can be used.

Vorteilhafterweise sind die Walzen, Präge- und Gegendruckwalze paneelbreit und entsprechen im Umfang einer Paneellänge. Auf diese Weise ist sichergestellt, dass sich das eingeprägte Muster auf einem Paneel nicht wiederholt. Vorteilhafterweise sind solch schmale Walzen innerhalb sehr kurzer Zeit herstellbar und können problemlos gewechselt werden. So können Produktions- und Investitionskosten niedrig gehalten werden.Advantageously, the rollers, embossing and counter-pressure roller panel width and correspond in the extent of a panel length. This ensures that the embossed pattern does not repeat on a panel. Advantageously, such narrow rollers can be produced within a very short time and can be changed easily. Thus, production and investment costs can be kept low.

Vorteilhafterweise bleibt die Prägung bereits geprägter Paneele, die z.B. eine Synchronpore aufweisen, bei einer nachträglichen Prägung mittels der beheizten Prägewalze erhalten, so dass zwei übereinander gelagerte Prägebilder erzeugt werden können, die sich gegenseitig ergänzen können.Advantageously, the embossing of already embossed panels, e.g. have a synchronous pore, obtained in a subsequent embossing means of the heated embossing roll, so that two superimposed embossed images can be generated, which can complement each other.

Auch die Gegendruckwalze kann ein Muster bzw. eine Oberflächenrauheit aufweisen, um ein Durchrutschen des Paneels aufgrund des hohen Drucks zu verhindern. Dieses Muster kann zum Beispiel eine Fischgrätstruktur sein, es kann aber auch ein dreidimensionales Logo, zum Beispiel ein Firmenlogo, zur Erhöhung der Rauheit verwendet werden. Verwendet man eine Walze mit Logo als Druckwalze, so ist es unter anderem auch möglich, kostengünstig und zeitnah Schriftzüge oder Logos auf die Paneeloberseite zu prägen, um damit einen hohen Wiedererkennungswert, z.B. bei einer Marketingaktion, für den Hersteller zu erreichen.Also, the platen roller may have a pattern or a surface roughness to prevent slippage of the panel due to the high pressure. For example, this pattern may be a herringbone pattern, but a three-dimensional logo, such as a company logo, may be used to increase roughness. Using a roller with a logo as a pressure roller, it is also possible, among other things, stamping logos or logos on the top of the panel in a cost-effective and timely manner, in order to achieve a high recognition value, e.g. in a marketing action, for the manufacturer to achieve.

Mit dem erfindungsgemäßen Verfahren kann eine Vielzahl unterschiedlicher Strukturen in die Oberfläche von Paneelen eingeprägt werden. So können beispielsweise Oberflächen mit einem handscraped Design erzeugt werden oder Fliesenfugen und Fliesenoberflächen, eingeprägte V-Fugen oder durch unterschiedlich großen Walzen mit verschiedenartigen Radien unregelmäßige V-Fugen genauso wie tiefe Synchronporen und die Imitation von Gebrauchs- oder Altersspuren von Holzoberflächen und zuletzt Firmenlogos oder Schriftzüge auf der Unter- oder Oberseite der Paneele.With the method according to the invention, a multiplicity of different structures can be embossed into the surface of panels. So, for example Surfaces with a handscraped design are created or tile joints and tile surfaces, embossed V-joints or by different sized rollers with different radii irregular V-joints as well as deep synchronous pores and the imitation of signs of age or wear of wood surfaces and last company logos or lettering on the bottom - or top of the panels.

Ein gattungsgemäßes Paneel zeichnet sich dadurch aus, dass die Struktur wenigstens teilweise eine Tiefe von 500 µm aufweist.A generic panel is characterized in that the structure at least partially has a depth of 500 microns.

Mit dieser Prägetiefe können besonders tiefe Strukturen, zum Beispiel handscraped Muster erzeugt werden, die auch unter haptischen Gesichtspunkten eine besonders gute Imitation des imitierten Werkstoffes erlauben. Vorteilhafterweise kann das Dekor dabei ein Holz-, Fliesen- oder Fantasiemuster aufweisen. Diese Muster können durch die Prägung von besonders tiefen Strukturen in ihrer authentischen Wirkung noch verstärkt werden. Das Dekor bzw. die Dekorschicht kann dabei wenigstens aus einer Lage bestehen, die entweder als harzimprägniertes Papier oder in einem Direktdruckverfahren ausgeführt bzw. aufgetragen ist. Vorteilhafterweise ist zur Erhöhung der Ähnlichkeit zwischen natürlichen Dekor und dem Dekor auf der Paneeloberfläche die Struktur dekorsynchron ausgeführt.With this embossing depth particularly deep structures, for example handscraped patterns can be generated, which allow a particularly good imitation of the imitated material even under haptic aspects. Advantageously, the decor can have a wood, tile or fantasy pattern. These patterns can be enhanced by the imprinting of particularly deep structures in their authentic effect. The decor or the decorative layer may consist of at least one layer, which is executed or applied either as a resin-impregnated paper or in a direct printing process. Advantageously, in order to increase the similarity between natural decor and the decor on the panel surface, the structure is executed decorsynchronously.

Durch die Verwendung eines elektronenstrahlhärtbaren Lackes wird eine besonders hochglänzende Oberfläche erzielt.The use of an electron-beam-hardening lacquer results in a particularly high-gloss surface.

Die Struktur kann sowohl in die Oberseite als auch in die Unterseite des Paneels geprägt sein.The structure can be embossed both in the top and in the bottom of the panel.

Anhand einer Zeichnung soll ein Ausführungsbeispiel der Erfindung näher erläutert werden. Es zeigen:

Figur 1 -
den Verfahrensablauf zur Erzeugung einer Prägung mit Holzstruktur auf der Oberfläche eines Paneels und
Figur 2 -
den Verfahrensablauf zur Erzeugung eines Fantasiedekors mit Fugenstruktur auf der Oberseite eines Paneels.
Reference to a drawing, an embodiment of the invention will be explained in more detail. Show it:
FIG. 1 -
the procedure for the production of an imprint with wood structure on the surface of a panel and
FIG. 2 -
the procedure for creating a fantasy decor with joint structure on top of a panel.

Figur 1 zeigt das Verfahren zur Herstellung eines Paneels 1, insbesondere eines Fußbodenpaneels mit Seitenkanten I, II, III, IV, das auf der Oberseite 2 ein Dekor aufweist und mit einem hitzeaktivierbaren Kunstharz beschichtet ist. Dekor und Kunstharzschicht sind untereinander verpresst worden. Das Paneel 1 wird zwischen der Prägewalze 4, die eine Temperatur von ca. 350°C aufweist, und der Gegendruckwalze 5 eingeführt. Durch die Prägewalze 4 wird auf die Oberseite 2 des Paneels 1 ein Druck von 1175 N/cm2 (120 kg/cm2) aufgebracht. Durch die beheizte Prägewalze 4 wird das hitzeaktivierbare Kunstharz auf der Oberseite 2 des Paneels 1 aktiviert und durch den hohen Druck wird ein so genanntes handscraped Design in die Oberseite der Paneele 1 eingeprägt. Der Vorschub des Paneels 1 wird durch die Gegendruckwalze 5 realisiert, die gegen die Unterseite 3 des Paneels 1 drückt und zur Erhöhung der Oberflächenrauheit ein Fischgrätenmuster aufweist. Durch die hohe Prägetemperatur wird die hitzeaktivierbare Kunstharzschicht aus Melamin oberflächlich angeschmolzen und kann so nachträglich verformt werden. Die Prägung der Struktur erfolgt hierbei sowohl in die Melaminharzschicht als auch in den darunter liegenden Holzwerkstoff.1 shows the method for producing a panel 1, in particular a floor panel with side edges I, II, III, IV, which has a decor on the top 2 and is coated with a heat-activatable synthetic resin. Decor and synthetic resin layer have been pressed together. The panel 1 is inserted between the embossing roller 4, which has a temperature of about 350 ° C, and the platen roller 5. By the embossing roll 4, a pressure of 1175 N / cm 2 (120 kg / cm 2 ) is applied to the top 2 of the panel 1. Due to the heated embossing roll 4, the heat-activatable synthetic resin is activated on the upper side 2 of the panel 1 and the high pressure causes a so-called hand-scraped design to be impressed in the upper side of the panels 1. The feed of the panel 1 is realized by the counter-pressure roller 5, which presses against the underside 3 of the panel 1 and has a herringbone pattern to increase the surface roughness. Due to the high embossing temperature, the heat-activatable synthetic resin layer of melamine is melted on the surface and can thus be subsequently deformed. The embossing of the structure takes place here both in the melamine resin layer and in the underlying wood material.

Figur 2 zeigt das erfindungsgemäße Verfahren nach Figur 1 mit dem Unterschied, das anstelle einer Holzstruktur im handscraped Design ein Fantasiemuster mit Fliesenfugen in die Oberseite 2 des Paneels 1 mittels einer Prägewalze 4 eingeprägt wird.FIG. 2 shows the inventive method according to FIG. 1 with the difference that, instead of a wood structure in handscraped design, a fantasy pattern with tile joints is embossed into the upper side 2 of the panel 1 by means of an embossing roller 4.

Das Verfahren ändert sich nicht, wenn anstelle eines hitzeaktivierbaren Kunstharzes ein hitzeaktivierbarer strahlenhärtbarer, insbesondere elektronenstrahlhärtbarer Lack verwendet wird.The process does not change if, instead of a heat-activatable synthetic resin, a heat-activatable, radiation-curable, in particular electron-beam-curing lacquer is used.

An den Seitenkanten I, II, III, IV ist das Paneel 1 mit zueinander korrespondierenden Feder/Nut-Profilen mit integrierten Verriegelungsmitteln zum lösbaren Verbinden benachbarter Paneele versehen.At the side edges I, II, III, IV, the panel 1 is provided with mutually corresponding spring / groove profiles with integrated locking means for releasably connecting adjacent panels.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Paneelpaneling
22
Oberseitetop
33
Unterseitebottom
44
Prägewalzeembossing roller
55
GegendruckwalzeBacking roll
II
Seitenkanteside edge
IIII
Seitenkanteside edge
IIIIII
Seitenkanteside edge
IVIV
Seitenkanteside edge

Claims (26)

Verfahren zur Herstellung eines Paneels (1), insbesondere eines Wand-, Decken- oder Bodenpaneels, aus aufgeteilten Holzwerkstoffplatten mit Seitenkanten (I, II, III, IV), die auf der Ober- und/oder Unterseite (2, 3) ein Dekor aufweisen, das mit einem hitzeaktivierbaren Kunstharz oder einem strahlenhärtbaren Lack beschichtet ist und der Aufbau aus Holzwerkstoffplatte, Dekor und Kunstharz- oder Lackschicht untereinander verpresst ist, mittels mindestens einer Prägewalze (4) und mindestens einer Gegendruckwalze (5) mit folgenden Schritten: - Aufheizen der Prägewalze (4) auf eine Temperatur von 200 bis 500°C, - Einführen des Paneels (1) zwischen Prägewalze (4) und einer Gegendruckwalze (5), - Prägen einer Struktur mit einer Tiefe bis zu 500 µm in die hitzeaktivierbare Kunstharz- oder Lackschicht auf der Oberseite (2) des Paneels (1) mit einem Druck von 590 bis 1470 N/cm2 (60 bis 150 kg/m2). Method for producing a panel (1), in particular a wall, ceiling or floor panel, of split wood-based panels with side edges (I, II, III, IV), which on the top and / or bottom (2, 3) a decor comprising, which is coated with a heat-activatable synthetic resin or a radiation-curable lacquer and the structure of wood-based panel, decor and resin or lacquer layer is pressed together by means of at least one embossing roller (4) and at least one counter-pressure roller (5) with the following steps: Heating the embossing roll (4) to a temperature of 200 to 500 ° C, Inserting the panel (1) between the embossing roller (4) and a counterpressure roller (5), - Embossing a structure with a depth up to 500 microns in the heat-activated resin or paint layer on the top (2) of the panel (1) with a pressure of 590 to 1470 N / cm 2 (60 to 150 kg / m 2 ). Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass dekorsynchrone Strukturen in Paneele (1) geprägt werden.A method according to claim 1, characterized in that decorsynchronous structures in panels (1) are embossed. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass mehrere Prägewalzen (4) hintereinander angeordnet werden und unterschiedliche Strukturen in die Paneele (1) eingeprägt werden.A method according to claim 1 or 2, characterized in that a plurality of embossing rollers (4) are arranged one behind the other and different structures in the panels (1) are impressed. Verfahren nach einem oder mehreren der voranstehenden Ansprüche, dadurch gekennzeichnet, dass mit der Prägewalze (4) Fasen an mindestens eine Seitenkante (I, II, III, IV) der Paneele (1) geprägt werden.Method according to one or more of the preceding claims, characterized in that the embossing roller (4) bevels on at least one side edge (I, II, III, IV) of the panels (1) are embossed. Verfahren nach einem oder mehreren der voranstehenden Ansprüche, dadurch gekennzeichnet, dass die Paneele (1) nach der Prägung durch Walzen gekühlt werden.Method according to one or more of the preceding claims, characterized in that the panels (1) are cooled after the embossing by rolling. Verfahren nach einem oder mehreren der voranstehenden Ansprüche, dadurch gekennzeichnet, dass bereits geprägte Paneele (1) durch die Prägewalze (4) geprägt werden.Method according to one or more of the preceding claims, characterized in that already embossed panels (1) are embossed by the embossing roller (4). Verfahren nach einem oder mehreren der voranstehenden Ansprüche, dadurch gekennzeichnet, dass die Kunstharzschicht durch einen oder mehrere Druckvorgänge aufgebracht wird.Method according to one or more of the preceding claims, characterized in that the synthetic resin layer is applied by one or more printing operations. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass die Kunstharzschicht mit einem Flächengewicht von etwa 200 bis 300 g/m2 aufgebracht wird.A method according to claim 7, characterized in that the synthetic resin layer is applied with a basis weight of about 200 to 300 g / m 2 . Verfahren nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass eine Melaminharzschicht aufgebracht wird.A method according to claim 7 or 8, characterized in that a melamine resin layer is applied. Verfahren zur Herstellung eines Paneels (1), insbesondere eines Wand-, Decken- oder Bodenpaneels, aus aufgeteilten Holzwerkstoffplatten mit Seitenkanten (I, II, III, IV), die auf der Ober- und/oder Unterseite (2, 3) ein Dekor aufweisen, das mit einem hitzeaktivierbaren Kunstharz oder einem strahlenhärtbaren Lack beschichtet ist und der Aufbau aus Holzwerkstoffplatte, Dekor und Kunstharz- oder Lackschicht untereinander verpresst ist, mittels mindestens einer Prägewalze (4) und mindestens einer Gegendruckwalze (5) mit folgenden Schritten: - Aufheizen der Prägewalze (4) auf eine Temperatur von 200 bis 500°C, - Einführen des Paneels (1) zwischen Prägewalze (4) und einer Gegendruckwalze (5), - Prägen mindestens einer Fase an mindestens eine Seitenkante (I, II, III, IV) des Paneels (1) mit einem Druck von 590 - 1470 N/cm2 (60 - 150 kg/cm2). Method for producing a panel (1), in particular a wall, ceiling or floor panel, of split wood-based panels with side edges (I, II, III, IV), which on the top and / or bottom (2, 3) a decor comprising, which is coated with a heat-activatable synthetic resin or a radiation-curable lacquer and the structure of wood-based panel, decor and resin or lacquer layer is pressed together by means of at least one embossing roller (4) and at least one counter-pressure roller (5) with the following steps: Heating the embossing roll (4) to a temperature of 200 to 500 ° C, Inserting the panel (1) between the embossing roller (4) and a counterpressure roller (5), Embossing at least one chamfer on at least one side edge (I, II, III, IV) of the panel (1) at a pressure of 590-1470 N / cm 2 (60-150 kg / cm 2 ). Prägewalze zur Verwendung in dem Verfahren nach einem oder mehreren der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass ihre Breite der Paneelbreite entspricht.Embossing roller for use in the method according to one or more of claims 1 to 10, characterized in that its width corresponds to the panel width. Prägewalze nach Anspruch 11, dadurch gekennzeichnet, dass ihr Umfang der Paneellänge entspricht.Embossing roller according to claim 11, characterized in that its circumference corresponds to the panel length. Gegendruckwalze zur Verwendung in den Verfahren nach einem oder mehreren der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Gegendruckwalze (5) ein Muster, insbesondere ein Fischgrätmuster oder ein dreidimensionales Logo aufweist.Counterpressure roller for use in the method according to one or more of claims 1 to 10, characterized in that the counter-pressure roller (5) has a pattern, in particular a herringbone pattern or a three-dimensional logo. Paneel nach Anspruch 1 oder 10, dadurch gekennzeichnet, dass die Temperatur 250°C beträgt.Panel according to claim 1 or 10, characterized in that the temperature is 250 ° C. Paneel nach Anspruch 1 oder 10, dadurch gekennzeichnet, dass die Struktur eine Tiefe von 250 µm aufweist.Panel according to claim 1 or 10, characterized in that the structure has a depth of 250 microns. Paneel nach Anspruch 1, 10 oder 15, dadurch gekennzeichnet, dass die Struktur eine Tiefe von mindestens 80 µm aufweist.Panel according to claim 1, 10 or 15, characterized in that the structure has a depth of at least 80 microns. Paneel nach Anspruch 1 oder 10, dadurch gekennzeichnet, dass der Liniendruck 196 bis 1.470 N/cm2 (20 bis 150 kg/m2) beträgt.Panel according to claim 1 or 10, characterized in that the line pressure is 196 to 1470 N / cm 2 (20 to 150 kg / m 2 ). Paneel nach einem oder mehreren der voranstehenden Ansprüche, dadurch gekennzeichnet, dass die Durchlaufgeschwindigkeit 10 bis 60 m/min beträgt.Panel according to one or more of the preceding claims, characterized in that the throughput speed is 10 to 60 m / min. Paneel nach Anspruch 18, dadurch gekennzeichnet, dass die Durchlaufgeschwindigkeit 30 m/min beträgt.Panel according to claim 18, characterized in that the passage speed is 30 m / min. Paneel nach Anspruch 1 oder 10, dadurch gekennzeichnet, dass die Lackschicht elektronenstrahlhärtbar ist.Panel according to claim 1 or 10, characterized in that the lacquer layer is electron beam curable. Paneel nach einem oder mehreren der voranstehenden Ansprüche, dadurch gekennzeichnet, dass die Struktur in die Oberseite (2) und die Unterseite (3) geprägt.Panel according to one or more of the preceding claims, characterized in that the structure in the top (2) and the bottom (3) embossed. Paneel (1), insbesondere Wand-, Decken- oder Bodenpaneel, aus aufgeteilten Holzwerkstoffplatten mit Seitenkanten (I, II, III, IV), das auf der Ober- oder Unterseite (2, 3) ein Dekor aufweist, das mit einem hitzeaktivierbaren Kunstharz oder einem strahlenhärtbaren Lack beschichtet ist und der Aufbau aus Holzwerkstoffplatte, Dekor und Kunstharz- oder Lackschicht untereinander verpresst ist, wobei zumindest die Oberseite (2) ein Dekor und eine Struktur aufweist, dadurch gekennzeichnet, dass die Struktur wenigstens teilweise eine Tiefe von 500 µm aufweist.Panel (1), in particular wall, ceiling or floor panel, made of split wood-based panels with side edges (I, II, III, IV), which on the top or bottom (2, 3) has a decor that with a heat-activated resin or a radiation-curable lacquer is coated and the structure of wood-based panel, decor and resin or lacquer layer is pressed together, wherein at least the top (2) has a decor and a structure, characterized in that the structure at least partially has a depth of 500 microns , Paneel nach Anspruch 22, dadurch gekennzeichnet, dass das Dekor ein Holz-, Fliesen- oder Fantasiemuster aufweist.Panel according to claim 22, characterized in that the decor has a wood, tile or fantasy pattern. Paneel nach Anspruch 23, dadurch gekennzeichnet, dass das Dekor aus wenigstens einer Lage besteht, die entweder aus harzimprägniertem Papier besteht oder in einem Direktdruckverfahren auftragbar ist.Panel according to claim 23, characterized in that the decor consists of at least one layer which consists either of resin-impregnated paper or can be applied in a direct printing process. Paneel nach Anspruch 22, dadurch gekennzeichnet, dass die Struktur dekorsynchron ausgeführt ist.Panel according to claim 22, characterized in that the structure is executed decorsynchronously. Paneel nach Anspruch 22, dadurch gekennzeichnet, dass zumindest die Oberfläche der Oberseite (2) hochglänzend ist.Panel according to claim 22, characterized in that at least the surface of the upper side (2) is high-gloss.
EP07009019A 2006-05-24 2007-05-04 Process and apparatus for manufacturing a panel Active EP1859912B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1985464A1 (en) * 2007-04-27 2008-10-29 Kronotec Ag Construction plate, in particular floor panel and method for its production
EP2402174A1 (en) * 2010-06-30 2012-01-04 Flooring Technologies Ltd. Method for producing primed panels made of wooden material and panel
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US7989050B2 (en) 2007-04-27 2011-08-02 Kronotec Ag Building slab, floor panels in particular, and method of manufacturing the same
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US11292291B2 (en) 2010-06-30 2022-04-05 Flooring Technologies Ltd Method for the production of grounded panels and panel
EP2818292A1 (en) 2013-06-25 2014-12-31 Faurecia Innenraum Systeme GmbH Method for forming a trim element having a layer of ligneous material and an engraved pattern
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EP1859912B1 (en) 2009-08-05
US20070275169A1 (en) 2007-11-29

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