EP2082898A2 - Device and method for attaching a finish on a plate element, pressure roller, floor, wall or ceiling panel - Google Patents

Device and method for attaching a finish on a plate element, pressure roller, floor, wall or ceiling panel Download PDF

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Publication number
EP2082898A2
EP2082898A2 EP08019656A EP08019656A EP2082898A2 EP 2082898 A2 EP2082898 A2 EP 2082898A2 EP 08019656 A EP08019656 A EP 08019656A EP 08019656 A EP08019656 A EP 08019656A EP 2082898 A2 EP2082898 A2 EP 2082898A2
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EP
European Patent Office
Prior art keywords
pressure roller
panel
floor
wall
panel element
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Granted
Application number
EP08019656A
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German (de)
French (fr)
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EP2082898B1 (en
EP2082898A3 (en
Inventor
Guido Schulte
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Individual
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Individual
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Priority to PL08019656T priority Critical patent/PL2082898T3/en
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Publication of EP2082898A3 publication Critical patent/EP2082898A3/en
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Publication of EP2082898B1 publication Critical patent/EP2082898B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/24—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on flat surfaces of polyhedral articles
    • B41F17/26—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on flat surfaces of polyhedral articles by rolling contact
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0461—Ornamental plaques, e.g. decorative panels, decorative veneers used as wall coverings
    • 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 device and a method for applying a decoration by means of a pressure roller on a plate element, preferably for the production of floor, wall or ceiling panels and a pressure roller and a floor, wall or ceiling panel.
  • Panels are used to make wall, ceiling or floor coverings. Frequently, the panels are made using decor papers as a decorating element. To reproduce a wood look, the decorative papers are printed with a wood grain. Other natural or fantasy decors are common.
  • the DE 10 2006 001 155 A1 describes a paper tape for use as decorative paper of wall, ceiling or floor panels, which is printed on one side with a wood grain.
  • the circumference of a pressure roller is usually about 1.30 m with a width of about 2.10 m.
  • the scope is matched to the length of a conventional laminate panel, the length of which is usually just under 1.30 m.
  • the printed décor is produced with a recurring repeat.
  • the pattern on the panel element is repeated. This creates an unnatural, at least less beautiful, look. To prevent this, one could increase the diameter of the pressure roller. However, this is not arbitrary and also associated with a high investment and procedural effort.
  • the invention is therefore based on the object to show a plant technically advantageous, compact device and a method with which the technical printing order of a decoration on a panel element with a length of more than 1.30 m is possible without changing the pattern of Decor in the longitudinal extension of the panel element repeated. Furthermore, the invention is directed to an application-technically improved pressure roller and a printed panel element whose decor does not repeat in the longitudinal direction.
  • the directed to the device part of the object is achieved by a device according to claim 1.
  • the decorating structure in the form of a turn is applied helically on the lateral surface of the pressure roller.
  • the decorating structure corresponds to the development of the decoration of a plate element.
  • the length of the decoration is helically wound around the jacket of the pressure roller in the manner of a helix, with a constant pitch. This can be done left or right.
  • a long decor with a length of more than 1.30 m can be imaged on a pressure roller without increasing the diameter of the pressure roller.
  • a plant or pressure roller width of about 1.25 m and a width of the panel elements of 200 mm for example, about four turns would thus result in 1.33 m, resulting in a total decorative image length of 5.32 m.
  • a panel element with a length of about 5.30 m can be printed without the pattern of the decor repeating in the longitudinal extension of the panel element.
  • a printing without recurring repeat of panel elements with a length up to 6,50 m is possible. These may have a width of, for example, 100-400 mm.
  • the abutting on the lateral surface abutting areas of the winding are optically matched.
  • the area is thus blurred or blurred to mask inaccuracies and compensate for tolerances.
  • the printing of the panel element can be effected directly by direct contact of the pressure roller with the panel element.
  • an indirect printing is advantageous.
  • This is an applicator roll is provided which cooperates with the pressure roller and transfers the decor to the panel element.
  • the decor or the ink is in this case first transferred from the pressure roller on the applicator roll and applied by this on the panel element.
  • both a single-color printing and a multi-color printing is possible.
  • multi-color printing several printing units are arranged in the longitudinal direction of a conveying direction for the panel elements, with pressure rollers and indirect pressure and application rollers and appropriately designed counter-rollers.
  • panel elements In principle, all known carrier materials, such as plastics, gypsum, magnesium, composite materials, such as wood-plastic composite materials (WPC) or metal, can be used as panel elements.
  • the panel elements are high density (HDF) or medium density (MDF) fiberboard.
  • multiplex panels such as plywood panels can be printed according to the invention.
  • the application or printing of veneered panels is possible, for example, for finishing a simple veneer appearance, but also for example of wood surfaces, elasticized rubber surfaces or cork surfaces.
  • the order of the decor on the panel elements by means of indirect gravure printing, in which the ink is applied to the platen and transferred from this first on an applicator roll and printed by the applicator roll on the panel element (claim 8).
  • the pressure roller according to the invention is the subject of claim 9.
  • the decorating structure in the form of a turn is helically applied to the outer surface of the pressure roller, in particular by means of an engraving.
  • Decors which are longer than the simple circumference of the pressure roller can be printed with the pressure roller according to the invention without the decoration repeating in the longitudinal extent of a panel element.
  • decor longer than the circumference of a printing drum can be printed.
  • An increase in the diameter of the pressure roller is not required for this purpose.
  • the pressure roller according to the invention is compact and advantageous in terms of application technology.
  • the panel elements are preferably used for the production of floor, wall or ceiling panels. These are provided on the edge with tongue and groove or with click locking elements.
  • the marginal processing of the panel elements can be done before or after printing.
  • the panel elements or the flooring, wall or ceiling panels produced therefrom can have a longitudinal chamfer. If the chamfer is made before printing, the chamfer can be imprinted with the appropriate setting of the roller and coordination of the contact pressure on the pressure roller.
  • An inventive floor, wall or ceiling panel consists of a panel element with a length greater than or equal to 2.05 m and has a top-side decor, which is applied without recurrent repeat on the panel element (claim 10).
  • the panels of the invention can be up to 6.50 m long, possibly even longer, depending on the diameter and width of the pressure roller, the panels have widths of 100-400 mm.
  • an upper wear layer of an abrasion-resistant, transparent lacquer is provided, which is preferably cured by means of UV light or electron beam curing.
  • the panels convince with their quality, brilliance and high quality optics.
  • the look is especially noticeable in floor-length floorboards.
  • FIG. 1 shows a simplified technical device for printing technology applying a decor D on panel elements 1 by means of a pressure roller 2 (see also FIG. 3 ).
  • the panel elements 1 are used in particular for the production of floor, wall or ceiling panels.
  • the lateral surface 3 of the pressure roller 2 has an engraving with a decorating structure S.
  • the decorating structure S is transferred from the pressure roller 2 in direct pressure on the panel elements 1.
  • the panel elements 1 are moved on a conveyor belt 4 of a conveyor 5 lying under the pressure roller 2 through the pressure gap 6 between the pressure roller 2 and conveyor belt 4 therethrough.
  • the printing ink and thus the decor D is printed on the surface of the panel elements 1 in accordance with the decorating structure S.
  • P the direction of rotation of the pressure roller 2 is marked.
  • the decorating structure S corresponds to the development of the decoration D of a panel element 1 and is applied in the form of a winding W helically on the lateral surface 3 of the pressure roller 2.
  • the winding W is indicated in dotted lines.
  • the winding W has a constant slope with a pitch angle ⁇ .
  • the winding W has a tuned length of 5.20 m or slightly above it.
  • the adjoining abutting regions 7, 8 of the winding W are optically matched to one another and so softened that optically no transition in the abutting region 7, 8 can be seen. As a result, inaccuracies can be concealed and tolerances compensated or larger tolerances are allowed.
  • the panel elements 1 are led obliquely on the conveyor belt 4 under the pressure roller 2.
  • the longitudinal axis L1 of the panel elements 1 is arranged at an angle ⁇ to the longitudinal axis L2 of the pressure roller 2.
  • the panel elements 1 are guided along the pressure roller 2 with the passage angle ⁇ deviating from the right angle to the longitudinal axis L2 of the pressure roller 2.
  • the passage angle ⁇ corresponds to the pitch angle ⁇ of the turn W.
  • the decorating structure S is continuously transferred in the longitudinal direction to the top of the panel elements 1, without the decor D repeating itself in the longitudinal direction.
  • the pressure roller 2 rotates according to the respective number of turns.
  • the device serves for multi-color printing.
  • two further pressure rollers 2a and 2b are provided in addition to the first pressure roller 2 in the longitudinal direction L F of the conveyor 5, which are of similar construction as the pressure roller. 2
  • the FIG. 2 shows in side view a device for indirect printing of the panel elements 1.
  • the pressure roller 2c cooperates with an applicator roll 9, which decreases the decor D of the decorating structure S of the platen 2c and transmits to the surface of the panel elements 1. This process is called indirect gravure printing.
  • Below the applicator roll 9 is a counter-pressure roller 10, which forms in cooperation with the conveyor belt 4 and the applicator roller 9, the printing nip 6, through which the panel elements 1 are moved through during the printing operation.
  • the direction of rotation of the pressure roller 2c and the applicator roller 9 and the counter-pressure roller 10 is indicated by the arrows P1, P2, P3.
  • the panel elements 1 are, as described above, guided on the conveyor belt 4 of a conveyor 5 lying through the pressure nip 6 and printed here.
  • the pressure roller 2c has - not visible here - a decorating structure, which is applied in the form of a winding helically on the lateral surface.
  • the unwound length of the decorating structure S on the pressure roller 2, 2a, 2b, 2c corresponds to the length L of a panel element 1, that is, for example, about 5.30 m long.
  • panel elements 1 can be printed with a length L of 5.20 m, without the decor D repeated in the longitudinal extension of the panel element 1.

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  • Printing Methods (AREA)
  • Finishing Walls (AREA)

Abstract

The floor, wall or ceiling panel has a rectangular panel element (1), which possesses a typographically applied decoration (D) on the top. The panel element has a length greater or equal to 2.05 meters. The decoration is applied on the panel element, without repeating pattern, by indirect gravure printing. The decoration is applied on the panel element as multicolor printing.

Description

Die Erfindung betrifft eine Vorrichtung und ein Verfahren zum Aufbringen eines Dekors mittels einer Druckwalze auf ein Plattenelement, vorzugsweise für die Herstellung von Fußboden-, Wand- oder Deckenpaneele sowie eine Druckwalze und ein Fußboden-, Wand- oder Deckenpaneel.The invention relates to a device and a method for applying a decoration by means of a pressure roller on a plate element, preferably for the production of floor, wall or ceiling panels and a pressure roller and a floor, wall or ceiling panel.

Paneele kommen zur Herstellung von Wand-, Decken- oder Fußbodenbelägen zum Einsatz. Häufig werden die Paneele unter Verwendung von Dekorpapieren als dekorgebendes Element hergestellt. Zur Reproduktion einer Holzoptik sind die Dekorpapiere mit einer Holzmaserung bedruckt. Auch andere Naturdekore oder Phantasiedekore sind gängig.Panels are used to make wall, ceiling or floor coverings. Frequently, the panels are made using decor papers as a decorating element. To reproduce a wood look, the decorative papers are printed with a wood grain. Other natural or fantasy decors are common.

Die DE 10 2006 001 155 A1 beschreibt ein Papierband zur Verwendung als Dekorpapier von Wand-, Decken- oder Fußbodenpaneelen, welches einseitig mit einer Holzmaserung bedruckt ist.The DE 10 2006 001 155 A1 describes a paper tape for use as decorative paper of wall, ceiling or floor panels, which is printed on one side with a wood grain.

Stark in den Vordergrund rückt in jüngerer Zeit der drucktechnische Auftrag eines Dekors auf die Trägerplatte bzw. Paneelelemente für die Herstellung von Fußboden-, Wand- oder Deckenpaneelen. Dies kann im Direktdruckverfahren durch unmittelbaren Kontakt einer Druckwalze mit dem Paneelelement erfolgen oder im so genannten indirekten Tiefdruckverfahren durchgeführt werden, bei dem die Druckfarbe von der Druckwalze, auch Gravurwalze genannt, zunächst auf eine Auftragswalze aus Hartgummi, PUR oder ähnlichen Materialien übertragen und von dieser auf das Paneelelement gebracht wird. Hierdurch können Unebenheiten oder Toleranzen in der Trägerplatte bzw. dem zu bedruckenden Paneelelement ausgeglichen werden. Das Bedrucken von Paneelelementen ist beispielsweise in der DE 103 33 626 A1 oder der DE 10 2006 003 301 B4 beschrieben.In recent years, the technical printing of a decoration on the support plate or panel elements for the production of floor, wall or ceiling panels is coming to the fore. This can be done in the direct printing process by direct contact of a pressure roller with the panel element or carried out in the so-called indirect gravure printing method, in which the ink from the pressure roller, also called gravure roll, initially transferred to an applicator roll of hard rubber, PUR or similar materials and from this on the panel element is brought. As a result, unevenness or tolerances in the carrier plate or the panel element to be printed can be compensated. The printing of panel elements is for example in the DE 103 33 626 A1 or the DE 10 2006 003 301 B4 described.

Der Umfang einer Druckwalze beträgt üblicherweise ca. 1,30 m bei einer Breite von ca. 2,10 m. Der Umfang ist abgestimmt auf die Länge eines herkömmlichen Laminatpaneels, deren Länge in der Regel knapp 1,30 m beträgt. Demzufolge wird in Abständen von jeweils ca. 1,30 m das aufgedruckte Dekor mit einem wiederkehrenden Rapport erzeugt. Bei Paneelelementen, die länger als 1,30 m sind, wiederholt sich folglich das Muster auf dem Paneelelement. Hierdurch entsteht eine unnatürliche, zumindest weniger schöne, Optik. Um dies zu verhindern, könnte man den Durchmesser der Druckwalze vergrößern. Dies ist jedoch nicht beliebig möglich und auch mit einem hohen anlagen- und verfahrenstechnischen Aufwand verbunden.The circumference of a pressure roller is usually about 1.30 m with a width of about 2.10 m. The scope is matched to the length of a conventional laminate panel, the length of which is usually just under 1.30 m. As a result, at intervals of approx. 1.30 m each, the printed décor is produced with a recurring repeat. For panel elements longer than 1.30 m, therefore, the pattern on the panel element is repeated. This creates an unnatural, at least less beautiful, look. To prevent this, one could increase the diameter of the pressure roller. However, this is not arbitrary and also associated with a high investment and procedural effort.

Der Erfindung liegt daher die Aufgabe zu Grunde, eine anlagentechnisch vorteilhafte, kompakt bauende Vorrichtung und ein Verfahren aufzuzeigen, mit welchen der drucktechnische Auftrag eines Dekors auf ein Paneelelement mit einer Länge von mehr als 1,30 m möglich ist, ohne dass sich das Muster des Dekors in Längserstreckung des Paneelelements wiederholt. Weiterhin zielt die Erfindung auf eine anwendungstechnisch verbesserte Druckwalze und ein bedrucktes Paneelelement ab, deren Dekor sich in Längserstreckung nicht wiederholt.The invention is therefore based on the object to show a plant technically advantageous, compact device and a method with which the technical printing order of a decoration on a panel element with a length of more than 1.30 m is possible without changing the pattern of Decor in the longitudinal extension of the panel element repeated. Furthermore, the invention is directed to an application-technically improved pressure roller and a printed panel element whose decor does not repeat in the longitudinal direction.

Der auf die Vorrichtung gerichtete Teil der Aufgabe wird durch eine Vorrichtung gemäß Anspruch 1 gelöst.The directed to the device part of the object is achieved by a device according to claim 1.

Vorteilhafte Ausgestaltungen der erfindungsgemäßen Vorrichtung sind Gegenstand der abhängigen Ansprüche 2 bis 6.Advantageous embodiments of the device according to the invention are the subject of the dependent claims 2 to 6.

Erfindungsgemäß ist die dekorgebende Struktur in Form einer Windung schraubenförmig auf der Mantelfläche der Druckwalze aufgebracht. Die dekorgebende Struktur entspricht der Abwicklung des Dekors eines Plattenelements. Die Länge des Dekors ist nach Art einer Helix schraubenförmig um den Mantel der Druckwalze herumgewunden, und zwar mit konstanter Steigung. Dies kann links- oder rechtsgängig erfolgen. Auf diese Weise kann ein langes Dekor mit einer Länge von mehr als 1,30 m auf einer Druckwalze abgebildet werden, ohne die Druckwalze im Durchmesser zu vergrößern. Bei einer Anlagen- bzw. Druckwalzenbreite von ca. 1,25 m und einer Breite der Paneelelemente von 200 mm würden sich so beispielsweise ca. vier Windungen ä 1,33 m ergeben, woraus eine gesamte Dekorbildlänge von 5,32 m resultiert. Demzufolge kann ein Paneelelement mit einer Länge von ca. 5,30 m bedruckt werden, ohne dass sich das Muster des Dekors in Längserstreckung des Paneelelements wiederholt.According to the invention, the decorating structure in the form of a turn is applied helically on the lateral surface of the pressure roller. The decorating structure corresponds to the development of the decoration of a plate element. The length of the decoration is helically wound around the jacket of the pressure roller in the manner of a helix, with a constant pitch. This can be done left or right. In this way, a long decor with a length of more than 1.30 m can be imaged on a pressure roller without increasing the diameter of the pressure roller. With a plant or pressure roller width of about 1.25 m and a width of the panel elements of 200 mm, for example, about four turns would thus result in 1.33 m, resulting in a total decorative image length of 5.32 m. Accordingly, a panel element with a length of about 5.30 m can be printed without the pattern of the decor repeating in the longitudinal extension of the panel element.

Nach dem derzeitigen Stand der Entwicklungen bzw. Versuche, ist ein Bedrucken ohne wiederkehrenden Rapport von Paneelelementen mit einer Länge bis zu 6,50 m möglich. Diese können eine Breite von beispielsweise 100-400 mm haben.According to the current state of the developments and / or attempts, a printing without recurring repeat of panel elements with a length up to 6,50 m is possible. These may have a width of, for example, 100-400 mm.

Zweckmäßigerweise sind die auf der Mantelfläche aneinanderliegenden Stoßbereiche der Windung optisch aufeinander angepasst. Der Bereich wird folglich weichgezeichnet bzw. verwischt, um Ungenauigkeiten zu kaschieren und Toleranzen auszugleichen.Conveniently, the abutting on the lateral surface abutting areas of the winding are optically matched. The area is thus blurred or blurred to mask inaccuracies and compensate for tolerances.

Erfindungsgemäß kann das Bedrucken des Paneelelements direkt durch unmittelbaren Kontakt der Druckwalze mit dem Paneelelement erfolgen. Für die Praxis vorteilhaft ist insbesondere auch ein indirektes Bedrucken. Hierzu ist eine Auftragswalze vorgesehen, die mit der Druckwalze zusammenwirkt und das Dekor auf das Paneelelement überträgt. Das Dekor bzw. die Druckfarbe wird hierbei zunächst von der Druckwalze auf die Auftragswalze übertragen und von dieser auf das Paneelelement aufgetragen. Hierdurch können Unebenheiten oder Toleranzen im Paneelelement ausgeglichen werden. So ist es auch unschädlich, wenn die Paneelelemente nicht immer exakt in der gleichen Position unter der Druckwalze durch den Druckspalt laufen.According to the invention, the printing of the panel element can be effected directly by direct contact of the pressure roller with the panel element. In practice, in particular, an indirect printing is advantageous. This is an applicator roll is provided which cooperates with the pressure roller and transfers the decor to the panel element. The decor or the ink is in this case first transferred from the pressure roller on the applicator roll and applied by this on the panel element. As a result, unevenness or tolerances in the panel element can be compensated. So it is harmless if the panel elements do not always run exactly in the same position under the pressure roller through the nip.

Im Rahmen der Erfindung ist sowohl ein Einfarbendruck als auch ein Mehrfarbendruck möglich. Beim Mehrfarbendruck sind in Längsrichtung einer Förderrichtung für die Paneelelemente mehrere Druckaggregate angeordnet, mit Druckwalzen und beim indirekten Druck auch Auftragswalzen sowie entsprechend ausgelegten Gegenwalzen.In the context of the invention, both a single-color printing and a multi-color printing is possible. When multi-color printing several printing units are arranged in the longitudinal direction of a conveying direction for the panel elements, with pressure rollers and indirect pressure and application rollers and appropriately designed counter-rollers.

Als Paneelelemente können grundsätzlich alle bekannten Trägerwerkstoffe, wie Kunststoffe, Gips, Magnesium, Verbundwerkstoffe, wie Holz-Kunststoff-Verbundwerkstoffe (WPC) oder auch aus Metall zum Einsatz gelangen. Vorzugsweise handelt es sich bei den Paneelelementen um Hochdichte- (HDF) oder Mitteldichte- (MDF) Faserplatten. Auch Multiplex-Platten wie Sperrholzplatten können erfindungsgemäß bedruckt werden. Ebenso ist die Anwendung bzw. das Bedrucken von furnierten Platten möglich, zum Beispiel zur Veredlung einer einfachen Furnieroptik, aber auch beispielsweise von Holzoberflächen, elastifizierten Gummioberflächen oder Korkoberflächen.In principle, all known carrier materials, such as plastics, gypsum, magnesium, composite materials, such as wood-plastic composite materials (WPC) or metal, can be used as panel elements. Preferably, the panel elements are high density (HDF) or medium density (MDF) fiberboard. Also multiplex panels such as plywood panels can be printed according to the invention. Likewise, the application or printing of veneered panels is possible, for example, for finishing a simple veneer appearance, but also for example of wood surfaces, elasticized rubber surfaces or cork surfaces.

Der verfahrensmäßige Teil der Aufgabe wird durch ein Verfahren gemäß Anspruch 7 gelöst.The procedural part of the object is achieved by a method according to claim 7.

Dieses sieht vor, dass die Paneelelemente mit einem vom rechten Winkel zur Längsachse der Druckwalze abweichenden Durchlaufwinkel entlang der Druckwalze geführt werden. Auf diese Weise verändert sich der Kontaktbereich zwischen der Druckwalze und einem Paneelelement bzw. einer Auftragswalze und dem Paneelelement bei der Längsbewegung des Paneelelements relativ zur Längsachse der Druckwalze bzw. der Auftragswalze kontinuierlich seitwärts. Die auf der Mantelfläche der Druckwalze befindliche dekorgebende Struktur wird bildlich wendelförmig abgewickelt und das Dekor ohne wiederkehrenden Rapport auf der zu bedruckenden Oberfläche eines Paneelelements abgebildet bzw. auf die Oberfläche aufgebracht.This provides that the panel elements are guided with a deviating from the right angle to the longitudinal axis of the pressure roller passage angle along the pressure roller. In this way, the contact area between the pressure roller and a panel element or an applicator roller and the panel element during the longitudinal movement of the panel member relative to the longitudinal axis of the pressure roller or the applicator roll changes continuously sideways. The decorating on the outer surface of the pressure roller located Structure is figuratively wound helically and the decor imaged without recurring repeat on the surface to be printed a panel element or applied to the surface.

Vorzugsweise erfolgt der Auftrag des Dekors auf die Paneelelemente mittels indirektem Tiefdruck, bei dem die Druckfarbe auf die Druckwalze aufgetragen wird und von dieser zunächst auf eine Auftragswalze übertragen und von der Auftragswalze auf das Paneelelement gedruckt wird (Anspruch 8).Preferably, the order of the decor on the panel elements by means of indirect gravure printing, in which the ink is applied to the platen and transferred from this first on an applicator roll and printed by the applicator roll on the panel element (claim 8).

Die erfindungsgemäße Druckwalze ist Gegenstand von Anspruch 9. Erfindungsgemäß ist die dekorgebende Struktur in Form einer Windung schraubenförmig auf der Mantelfläche der Druckwalze aufgebracht, insbesondere mittels einer Gravur. Mit der erfindungsgemäßen Druckwalze können Dekore gedruckt werden, die länger als der einfache Umfang der Druckwalze sind, ohne dass sich das Dekor in Längserstreckung eines Paneelelements wiederholt. Demzufolge kann Dekor gedruckt werden, das länger als der Umfang einer Druckwalze ist. Eine Erhöhung des Durchmessers der Druckwalze ist hierfür nicht erforderlich. Die erfindungsgemäße Druckwalze ist kompakt bauend und anwendungstechnisch vorteilhaft.The pressure roller according to the invention is the subject of claim 9. According to the invention, the decorating structure in the form of a turn is helically applied to the outer surface of the pressure roller, in particular by means of an engraving. Decors which are longer than the simple circumference of the pressure roller can be printed with the pressure roller according to the invention without the decoration repeating in the longitudinal extent of a panel element. As a result, decor longer than the circumference of a printing drum can be printed. An increase in the diameter of the pressure roller is not required for this purpose. The pressure roller according to the invention is compact and advantageous in terms of application technology.

Die Paneelelemente dienen vorzugsweise zur Herstellung von Fußboden-, Wand- oder Deckenpaneelen. Diese sind randseitig mit Nut und Feder oder auch mit Klickverriegelungselementen versehen. Die randseitige Bearbeitung der Paneelelemente kann vor oder nach dem Bedrucken erfolgen. Die Paneelelemente bzw. die hieraus gefertigten Fußboden-, Wand- oder Deckenpaneele können eine längsseitige Fase aufweisen. Wird die Fase vor dem Bedrucken hergestellt, kann bei entsprechender Einstellung der Walze und Abstimmung des Anpressdrucks auf die Druckwalze die Fase gleich mitbedruckt werden.The panel elements are preferably used for the production of floor, wall or ceiling panels. These are provided on the edge with tongue and groove or with click locking elements. The marginal processing of the panel elements can be done before or after printing. The panel elements or the flooring, wall or ceiling panels produced therefrom can have a longitudinal chamfer. If the chamfer is made before printing, the chamfer can be imprinted with the appropriate setting of the roller and coordination of the contact pressure on the pressure roller.

Ein erfindungsgemäßes Fußboden-, Wand- oder Deckenpaneel besteht aus einem Paneelelement mit einer Länge größer oder gleich 2,05 m und besitzt ein oberseitiges Dekor, welches ohne wiederkehrenden Rapport auf das Paneelelement aufgebracht ist (Anspruch 10).An inventive floor, wall or ceiling panel consists of a panel element with a length greater than or equal to 2.05 m and has a top-side decor, which is applied without recurrent repeat on the panel element (claim 10).

Die erfindungsgemäßen Paneele können bis zu 6,50 m lang sein, gegebenenfalls sogar noch länger, je nach Durchmesser und Breite der Druckwalze, wobei die Paneele Breiten von 100-400 mm besitzen. Bei Anwendung der Paneelelemente für Fußbodendielen ist eine obere Verschleißschicht aus einem abriebfesten, transparenten Lack vorgesehen, der vorzugsweise mittels UV-Licht oder Elektronenstrahlhärtung gehärtet ist.The panels of the invention can be up to 6.50 m long, possibly even longer, depending on the diameter and width of the pressure roller, the panels have widths of 100-400 mm. When using the panel elements for floorboards an upper wear layer of an abrasion-resistant, transparent lacquer is provided, which is preferably cured by means of UV light or electron beam curing.

Die Paneele überzeugen durch ihre Qualität, Brillanz und hochwertige Optik. Die Optik kommt insbesondere bei raumlangen Fußbodendielen besonders zur Geltung.The panels convince with their quality, brilliance and high quality optics. The look is especially noticeable in floor-length floorboards.

Vorteilhafte Ausgestaltungen der erfindungsgemäßen Paneele sind Gegenstand der abhängigen Ansprüche 11 bis 16.Advantageous embodiments of the panels according to the invention are the subject of the dependent claims 11 to 16.

Die Erfindung ist nachfolgend anhand von Zeichnungen erläutert. Es zeigen:The invention is explained below with reference to drawings. Show it:

Figur 1FIG. 1
in perspektivischer Darstellungsweise eine Prinzipdarstellung einer erfindungsgemäßen Vorrichtung zum Direktdruck auf Paneelelementen;in a perspective representation of a schematic diagram of a device according to the invention for direct printing on panel elements;
Figur 2FIG. 2
in der Seitenansicht technisch vereinfacht eine erfindungsgemäße Vorrichtung zum indirekten Bedrucken von Paneelelementen undin the side view technically simplifies a device according to the invention for the indirect printing of panel elements and
Figur 3FIG. 3
eine Draufsicht auf eine erfindungsgemäße Vorrichtung.a plan view of a device according to the invention.

Einander entsprechende Bauteile bzw. Bauteilkomponenten tragen in den Figuren 1 bis 3 die gleichen Bezugszeichen.Corresponding components or component components carry in the FIGS. 1 to 3 the same reference numerals.

Figur 1 zeigt technisch vereinfacht eine Vorrichtung zum drucktechnischen Aufbringen eines Dekors D auf Paneelelemente 1 mittels einer Druckwalze 2 (siehe auch Figur 3). Die Paneelelemente 1 dienen insbesondere zur Herstellung von Fußboden-, Wand- oder Deckenpaneelen. Die Mantelfläche 3 der Druckwalze 2 weist eine Gravur mit einer dekorgebenden Struktur S auf. Die dekorgebende Struktur S wird von der Druckwalze 2 im Direktdruck auf die Paneelelemente 1 übertragen. FIG. 1 shows a simplified technical device for printing technology applying a decor D on panel elements 1 by means of a pressure roller 2 (see also FIG. 3 ). The panel elements 1 are used in particular for the production of floor, wall or ceiling panels. The lateral surface 3 of the pressure roller 2 has an engraving with a decorating structure S. The decorating structure S is transferred from the pressure roller 2 in direct pressure on the panel elements 1.

Die Paneelelemente 1 werden auf einem Förderband 4 einer Fördereinrichtung 5 liegend unter der Druckwalze 2 durch den Druckspalt 6 zwischen Druckwalze 2 und Förderband 4 hindurch bewegt. Hierbei wird die Druckfarbe und damit das Dekor D entsprechend der dekorgebenden Struktur S auf die Oberfläche der Paneelelemente 1 aufgedruckt. Mit P ist die Drehrichtung der Druckwalze 2 gekennzeichnet.The panel elements 1 are moved on a conveyor belt 4 of a conveyor 5 lying under the pressure roller 2 through the pressure gap 6 between the pressure roller 2 and conveyor belt 4 therethrough. Here, the printing ink and thus the decor D is printed on the surface of the panel elements 1 in accordance with the decorating structure S. With P, the direction of rotation of the pressure roller 2 is marked.

Die dekorgebende Struktur S entspricht der Abwicklung des Dekors D eines Paneelelements 1 und ist in Form einer Windung W schraubenförmig auf der Mantelfläche 3 der Druckwalze 2 aufgebracht. In der Figur 3 ist die Windung W in gepunkteter Linienführung angedeutet. Die Windung W hat eine konstante Steigung mit einem Steigungswinkel γ. Zum Bedrucken eines Paneelelements 1 mit einer Länge von beispielsweise 5,20 m besitzt die Windung W eine hierauf abgestimmte Länge von 5,20 m oder geringfügig darüber.The decorating structure S corresponds to the development of the decoration D of a panel element 1 and is applied in the form of a winding W helically on the lateral surface 3 of the pressure roller 2. In the FIG. 3 the winding W is indicated in dotted lines. The winding W has a constant slope with a pitch angle γ. For printing a panel element 1 with a length of, for example, 5.20 m, the winding W has a tuned length of 5.20 m or slightly above it.

Die aneinanderliegenden Stoßbereiche 7, 8 der Windung W sind optisch aufeinander angepasst und so weichgezeichnet, dass optisch kein Übergang im Stoßbereich 7, 8 erkennbar ist. Hierdurch können Ungenauigkeiten kaschiert und Toleranzen ausgeglichen bzw. größere Toleranzen zugelassen werden.The adjoining abutting regions 7, 8 of the winding W are optically matched to one another and so softened that optically no transition in the abutting region 7, 8 can be seen. As a result, inaccuracies can be concealed and tolerances compensated or larger tolerances are allowed.

Man erkennt sowohl in der Figur 1 als auch in der Figur 3, dass die Paneelelemente 1 schräg auf dem Förderband 4 liegend unter der Druckwalze 2 hindurchgeführt werden. Die Längsachse L1 der Paneelelemente 1 ist zur Längsachse L2 der Druckwalze 2 in einem Winkel α angeordnet. Demzufolge werden die Paneelelemente 1 mit dem vom rechten Winkel zur Längsachse L2 der Druckwalze 2 abweichenden Durchlaufwinkel α entlang der Druckwalze 2 geführt. Der Durchlaufwinkel α entspricht dem Steigungswinkel γ der Windung W.One recognizes both in the FIG. 1 as well as in the FIG. 3 in that the panel elements 1 are led obliquely on the conveyor belt 4 under the pressure roller 2. The longitudinal axis L1 of the panel elements 1 is arranged at an angle α to the longitudinal axis L2 of the pressure roller 2. As a result, the panel elements 1 are guided along the pressure roller 2 with the passage angle α deviating from the right angle to the longitudinal axis L2 of the pressure roller 2. The passage angle α corresponds to the pitch angle γ of the turn W.

Beim Bedrucken der Paneelelemente 1 wird die dekorgebende Struktur S kontinuierlich in Längsrichtung auf die Oberseite der Paneelelemente 1 übertragen, ohne dass sich das Dekor D hierbei in Längsrichtung wiederholt. Hierbei dreht sich die Druckwalze 2 entsprechend der jeweiligen Windungszahl.When printing the panel elements 1, the decorating structure S is continuously transferred in the longitudinal direction to the top of the panel elements 1, without the decor D repeating itself in the longitudinal direction. Here, the pressure roller 2 rotates according to the respective number of turns.

Die Vorrichtung, wie in Figur 3 dargestellt, dient zum Mehrfarbendruck. Hierzu sind neben der ersten Druckwalze 2 in Längsrichtung LF der Fördereinrichtung 5 zwei weitere Druckwalzen 2a und 2b vorgesehen, welche gleichartig aufgebaut sind wie die Druckwalze 2.The device, as in FIG. 3 shown, serves for multi-color printing. For this purpose, two further pressure rollers 2a and 2b are provided in addition to the first pressure roller 2 in the longitudinal direction L F of the conveyor 5, which are of similar construction as the pressure roller. 2

Die Figur 2 zeigt in der Seitenansicht eine Vorrichtung zum indirekten Bedrucken der Paneelelemente 1. Die Druckwalze 2c wirkt mit einer Auftragswalze 9 zusammen, welche das Dekor D von der dekorgebenden Struktur S der Druckwalze 2c abnimmt und auf die Oberfläche der Paneelelemente 1 überträgt. Dieses Verfahren bezeichnet man als indirekten Tiefdruck. Unterhalb der Auftragswalze 9 befindet sich eine Gegendruckwalze 10, die im Zusammenwirken mit dem Förderband 4 und der Auftragswalze 9 den Druckspalt 6 bildet, durch den die Paneelelemente 1 während des Druckvorgangs hindurchbewegt werden. Die Drehrichtung der Druckwalze 2c sowie der Auftragswalze 9 und der Gegendruckwalze 10 ist durch die Pfeile P1, P2, P3 gekennzeichnet.The FIG. 2 shows in side view a device for indirect printing of the panel elements 1. The pressure roller 2c cooperates with an applicator roll 9, which decreases the decor D of the decorating structure S of the platen 2c and transmits to the surface of the panel elements 1. This process is called indirect gravure printing. Below the applicator roll 9 is a counter-pressure roller 10, which forms in cooperation with the conveyor belt 4 and the applicator roller 9, the printing nip 6, through which the panel elements 1 are moved through during the printing operation. The direction of rotation of the pressure roller 2c and the applicator roller 9 and the counter-pressure roller 10 is indicated by the arrows P1, P2, P3.

Die Paneelelemente 1 werden, wie zuvor beschrieben, auf dem Förderband 4 einer Fördereinrichtung 5 liegend durch den Druckspalt 6 geführt und hierbei bedruckt. Die Druckwalze 2c weist - hier nicht zu erkennen - eine dekorgebende Struktur auf, welche in Form einer Windung schraubenförmig auf der Mantelfläche aufgebracht ist.The panel elements 1 are, as described above, guided on the conveyor belt 4 of a conveyor 5 lying through the pressure nip 6 and printed here. The pressure roller 2c has - not visible here - a decorating structure, which is applied in the form of a winding helically on the lateral surface.

Unterhalb des Förderbands 5 sind eine Anzahl von Tragrollen 11 angeordnet. Das Förderband 4 selber ist über Umlenkrollen 12, 13 endlos geführt.Below the conveyor belt 5, a number of support rollers 11 are arranged. The conveyor belt 4 itself is endlessly guided over deflection rollers 12, 13.

Die abgewickelte Länge der dekorgebenden Struktur S auf der Druckwalze 2, 2a, 2b, 2c entspricht der Länge L eines Paneelelements 1, ist also beispielsweise ca. 5,30 m lang. Hierdurch können Paneelelemente 1 mit einer Länge L von 5,20 m bedruckt werden, ohne dass sich das Dekor D in Längserstreckung des Paneelelements 1 wiederholt.The unwound length of the decorating structure S on the pressure roller 2, 2a, 2b, 2c corresponds to the length L of a panel element 1, that is, for example, about 5.30 m long. As a result, panel elements 1 can be printed with a length L of 5.20 m, without the decor D repeated in the longitudinal extension of the panel element 1.

Bezugszeichen:Reference numerals:

1 -1 -
Paneelelementpanel member
2 -2 -
Druckwalzeplaten
2a -2a -
Druckwalzeplaten
2b -2 B -
Druckwalzeplaten
2c -2c -
Druckwalzeplaten
3 -3 -
Mantelfläche v. 2Lateral surface v. 2
4 -4 -
Förderbandconveyor belt
5 -5 -
FördereinrichtungConveyor
6 -6 -
Druckspaltnip
7 -7 -
Stoßbereichjoint area
8 -8th -
Stoßbereichjoint area
9 -9 -
Auftragswalzeapplicator roll
10 -10 -
GegendruckwalzeBacking roll
11 -11 -
Tragrollesupporting role
12 -12 -
Umlenkrolleidler pulley
13 -13 -
Umlenkrolleidler pulley
D -D -
Dekordecor
L1 -L1 -
Längsachse v. 1Longitudinal axis v. 1
L2 -L2 -
Längsachse v. 2Longitudinal axis v. 2
LF -L F -
Längsrichtung v. 5Longitudinal direction v. 5
L -L -
Länge v. 1Length v. 1
P -P -
Pfeilarrow
P1 -P1 -
Pfeilarrow
P2 -P2 -
Pfeilarrow
P3 -P3 -
Pfeilarrow
S -S -
Strukturstructure
W -W -
Windungconvolution
α -α -
DurchlaufwinkelPass angle
γ -γ -
Steigungswinkellead angle

Claims (16)

Vorrichtung zum Aufbringen eines Dekors (D) mittels einer Druckwalze (2, 2a, 2b, 2c) auf Plattenelemente (1), vorzugsweise für die Herstellung von Fußboden-, Wand- oder Deckenpaneelen, wobei die Mantelfläche (3) der Druckwalze (2, 2a, 2b, 2c) eine dekorgebende Struktur (S) aufweist, dadurch gekennzeichnet, dass die dekorgebende Struktur (S) in Form einer Windung (W) schraubenförmig auf der Mantelfläche (3) der Druckwalze (2, 2a, 2b, 2c) aufgebracht ist.Device for applying a decoration (D) by means of a pressure roller (2, 2a, 2b, 2c) to plate elements (1), preferably for the production of floor, wall or ceiling panels, wherein the lateral surface (3) of the pressure roller (2, 2a, 2b, 2c) has a decorating structure (S), characterized in that the decorating structure (S) in the form of a turn (W) helically on the lateral surface (3) of the pressure roller (2, 2a, 2b, 2c) applied is. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die dekorgebende Struktur (S) der Abwicklung des Dekors (D) eines Paneelelements (1) entspricht.Device according to claim 1, characterized in that the decorating structure (S) corresponds to the unwinding of the decoration (D) of a panel element (1). Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Windung (W) eine konstante Steigung besitzt.Apparatus according to claim 1 or 2, characterized in that the winding (W) has a constant slope. Vorrichtung nach wenigstens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die aneinander liegenden Stoßbereiche (7, 8) der Windung (W) optisch aufeinander angepasst sind.Device according to at least one of claims 1 to 3, characterized in that the adjoining abutting regions (7, 8) of the winding (W) are optically matched to one another. Vorrichtung nach wenigstens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Druckwalze (2c) mit einer Auftragswalze (9) zusammenwirkt, welche das Dekor (D) auf ein Plattenelement (1) überträgt.Device according to at least one of claims 1 to 4, characterized in that the pressure roller (2c) cooperates with an applicator roll (9) which transfers the decor (D) to a plate element (1). Vorrichtung nach wenigstens einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass in Längsrichtung (LF) einer Fördereinrichtung (5) für die Plattenelemente (1) mehrere Druckwalzen (2, 2a, 2b) hintereinander angeordnet sind.Device according to at least one of claims 1 to 5, characterized in that in the longitudinal direction (L F ) of a conveyor (5) for the plate elements (1) a plurality of pressure rollers (2, 2a, 2b) are arranged one behind the other. Verfahren zum Aufbringen eines Dekors (D) mittels einer Druckwalze (2, 2a, 2b, 2c) auf Plattenelemente (1), vorzugsweise für die Herstellung von Fußboden-, Wand- oder Deckenpaneelen, unter Nutzung einer Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Paneelelemente (1) mit einem vom rechten Winkel zur Längsachse (L2) der Druckwalze (2, 2a, 2b, 2c) abweichendem Durchlaufwinkel (α) entlang der Druckwalze (2, 2a, 2b, 2c) geführt werden.Method for applying a decoration (D) by means of a pressure roller (2, 2a, 2b, 2c) to plate elements (1), preferably for the production of floor, wall or ceiling panels, using a device according to one of claims 1 to 6 , characterized in that the panel elements (1) with a from the right angle to the longitudinal axis (L2) of the pressure roller (2, 2a, 2b, 2c) deviating passage angle (α) along the pressure roller (2, 2a, 2b, 2c) are performed , Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass das Paneelelement (1) mittels indirektem Tiefdruck bedruckt wird.A method according to claim 7, characterized in that the panel element (1) is printed by means of indirect gravure printing. Druckwalze zum Aufbringen eines Dekors (D) auf ein Paneelelement (1), welche eine Mantelfläche (3) mit einer dekorgebenden Struktur (S) aufweist, dadurch gekennzeichnet, dass die dekorgebende Struktur (S) in Form einer Windung (W) schraubenförmig auf der Mantelfläche (3) der Druckwalze (2, 2a, 2b, 2c) angeordnet ist.A pressure roller for applying a decoration (D) to a panel element (1) which has a jacket surface (3) with a decorating structure (S), characterized in that the decorating structure (S) in the form of a winding (W) is helical on the panel Lateral surface (3) of the pressure roller (2, 2a, 2b, 2c) is arranged. Fußboden-, Wand- oder Deckenpaneel hergestellt aus einem rechteckigen Paneelelement (1), welches ein oberseitig drucktechnisch aufgebrachtes Dekor (D) besitzt, dadurch gekennzeichnet, dass das Paneelelement (1) eine Länge (L) größer oder gleich 2,05 m besitzt und das Dekor (D) ohne wiederkehrenden Rapport auf das Paneelelement (1) aufgebracht ist.Floor, wall or ceiling panel made of a rectangular panel element (1), which has a top side printed technically applied decor (D), characterized in that the panel element (1) has a length (L) greater than or equal to 2.05 m and the decor (D) is applied to the panel element (1) without recurring repeat. Fußboden-, Wand- oder Deckenpaneel nach Anspruch 10, dadurch gekennzeichnet, dass das Paneelelement (1) eine Länge (L) größer oder gleich 5,20 m besitzt.Floor, wall or ceiling panel according to claim 10, characterized in that the panel element (1) has a length (L) greater than or equal to 5.20 m. Fußboden-, Wand- oder Deckenpaneel nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass das Dekor (D) auf das Paneelelement (1) mittels indirektem Tiefdruck aufgebracht ist.Floor, wall or ceiling panel according to claim 10 or 11, characterized in that the decor (D) is applied to the panel element (1) by means of indirect gravure printing. Fußboden-, Wand- oder Deckenpaneel nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass das Dekor (D) auf das Paneelelement (1) mittels Direktdruck aufgebracht ist.Floor, wall or ceiling panel according to claim 10 or 11, characterized in that the decor (D) is applied to the panel element (1) by means of direct printing. Fußboden-, Wand- oder Deckenpaneel nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass das Dekor (D) auf das Paneelelement (1) als Mehrfarbendruck aufgebracht ist.Floor, wall or ceiling panel according to one of claims 10 to 13, characterized in that the decor (D) is applied to the panel element (1) as a multi-color print. Fußboden-, Wand- oder Deckenpaneel nach einem der Ansprüche 10 bis 14, dadurch gekennzeichnet, dass das Paneelelement (1) eine obere Verschleißschicht aus einem abriebfesten, transparenten Lack besitzt.Floor, wall or ceiling panel according to one of claims 10 to 14, characterized in that the panel element (1) has an upper wear layer of an abrasion-resistant, transparent lacquer. Fußboden-, Wand- oder Deckenpaneel nach einem der Ansprüche 10 bis 15, dadurch gekennzeichnet, dass das Paneelelement (1) eine längsseitige Fase aufweist und die Fase bedruckt ist.Floor, wall or ceiling panel according to one of claims 10 to 15, characterized in that the panel element (1) has a longitudinal chamfer and the chamfer is printed.
EP08019656.1A 2008-01-22 2008-11-11 Printing roller and method for decorative printing on a panel element Not-in-force EP2082898B1 (en)

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DE102008005599A DE102008005599B3 (en) 2008-01-22 2008-01-22 Method for producing decorative print on long panels has the pattern in strip form wound spirally around a print cylinder
DE202008010752U DE202008010752U1 (en) 2008-01-22 2008-01-22 Floor, wall or ceiling panel

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CN116118353A (en) * 2022-12-15 2023-05-16 贵州电网有限责任公司 Three-dimensional metal coil preparation facilities based on electric fluid spouts seal

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CN116118353B (en) * 2022-12-15 2024-05-03 贵州电网有限责任公司 Three-dimensional metal coil preparation facilities based on electric fluid spouts seal

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PL2082898T3 (en) 2013-12-31
DE102008005599B3 (en) 2009-01-22
EP2082898A3 (en) 2011-02-23
DE202008010752U1 (en) 2008-11-06

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