EP1634514B1 - Method and apparatus for producing a furniture panel - Google Patents

Method and apparatus for producing a furniture panel Download PDF

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Publication number
EP1634514B1
EP1634514B1 EP05102150A EP05102150A EP1634514B1 EP 1634514 B1 EP1634514 B1 EP 1634514B1 EP 05102150 A EP05102150 A EP 05102150A EP 05102150 A EP05102150 A EP 05102150A EP 1634514 B1 EP1634514 B1 EP 1634514B1
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EP
European Patent Office
Prior art keywords
veneer
sheets
carrier panel
adhesive
plate
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Not-in-force
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EP05102150A
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German (de)
French (fr)
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EP1634514A1 (en
Inventor
Adolf Vietmeyer
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/20—Furniture panels or like furniture elements
    • A47B96/205—Composite panels, comprising several elements joined together
    • A47B96/206—Composite panels, comprising several elements joined together with laminates comprising planar, continuous or separate layers

Definitions

  • the present invention relates to a method and an apparatus for producing furniture panels, in particular for kitchen or cupboard furniture.
  • glue is first applied to a support plate and then the veneer blanks are placed on the glued support plate or the glued support plate is placed on the plate-shaped folded veneer blanks.
  • negative pressure is generated on the side opposite the veneer blanks for sucking and fixing the veneer blanks, in which case, after covering the carrier plate, it is pressed together with the veneer blanks. If the veneer blanks are first arranged and then the glued carrier plate is laid on, the negative pressure is produced on the side of the veneer blanks.
  • the veneer blanks are fixed on the support plate and even a certain inclination of veneer blanks mostly made of wood materials aufwellen by the moisture of the glue is counteracted by the veneer blanks are sucked to the support plate or glue is sucked into this evenly.
  • the veneer blanks still tend to expand, this ensures that the existing seam between two veneer blanks is compressed by the expansion.
  • the joints can hardly be recognized.
  • the surprising finding is utilized that for holding the veneer blanks on the carrier plate, a certain negative pressure is sufficient, which can be transmitted through the carrier plate to the veneer blanks in order to fix them.
  • the glue is sucked into the carrier plate, so that it does not come to undesirable Leim mitschlag on the surface of the veneer blanks.
  • the glued carrier plate is placed on a table at the top of a plurality of openings for generating the negative pressure are provided.
  • a vacuum can be generated over the entire surface of the carrier plate, which is then forwarded to the side with the veneer blanks.
  • Through the table can produce a largely uniform negative pressure on the support plate or the veneer blanks.
  • the veneer blanks are placed in the process with their edges flush with each other on the glued surface of the support plate so that the surface is formed by the subsequent pressing without open joints between the veneer blanks.
  • the carrier plates used are preferably medium-density fibreboard (MDF boards) or chipboard.
  • the support plates have at least a slight air permeability and may have a thickness between 3 to 25 mm, preferably 5 to 20 mm, so that a negative pressure on one side is still noticeably present on the opposite side.
  • an intermediate plate for example, laid an MDF board on which then the veneer blanks are placed on the table.
  • the suction also extends through such an intermediate plate, so that fixing the veneer blanks on the support plate can also be done with such an intermediate plate.
  • the glued carrier plate are placed on the veneer blanks, wherein the glue is sucked into the veneer blanks.
  • the intermediate plate can be removed again, whereby it is of course also possible to insert the intermediate plate in the press and only after pressing to remove again.
  • a device for the production of furniture panels which comprises a gluing station, in which support plates are coated with a glue layer on at least one side. Further, a coating station is provided with a table with a table top, at the top of a plurality of openings for generating a negative pressure are present. Through the table can then be created on applied veneer blanks or the support plate, a negative pressure, which is transmitted to the top with applied veneer blanks or the support plate. Furthermore, the device also comprises a press for permanently connecting the carrier plate with the veneer blanks. The individual stations can be set up as a unit or separately. As a result, furniture panels can be produced in an effective manner, which are coated on at least one side with several veneer blanks.
  • this has a hollow chamber, which communicates with the openings, wherein the hollow chamber is provided with at least one suction port to generate a corresponding negative pressure in the hollow chamber.
  • a carrier plate 1 is formed from an MDF board or a chipboard and has a thickness which allows at least some air permeability.
  • the support plate 1 is rectangular in plan view, wherein other geometries can be processed. On the support plate 1, a layer of veneer blanks 2 is placed on a glued surface of the support plate 1.
  • the support plate 1 rests on the veneer blanks 2 opposite side on a surface 3 of a table, wherein in the surface 3 openings 4 are recessed at regular intervals, which are in communication with a hollow chamber 6.
  • the table comprises an upper plate 3 with the openings 4, a lower plate 5 and enclosing side walls 7 which surround the hollow chamber 6.
  • one or more ports 8 are provided, which are connected to lines 9 to a vacuum pump.
  • the carrier plate 1 is sucked through the openings 4, through which the negative pressure to the applied veneer blanks 2 are passed, which now no longer wave up and detach from the glued surface.
  • the veneer blanks 2 can be permanently connected to the support plate 1. It is of course also possible to directly press the carrier plate 1 on the table.
  • the veneer blanks may first be placed on the table or on the table, a thin intermediate plate, e.g. a 1 to 2mm thick MDF board, be placed so that they can then be fixed with a certain negative pressure in the situation. Then then the one or both sides glued carrier plate can be placed on the veneer blanks and the glue partially sucked into the veneer blanks. Then then the pressing can be done, if necessary, even with prior occupancy of the second side of the carrier plate with Furnicrzu motherboarden or a decorative film. Before pressing the intermediate plate can be removed for a better heat transfer, with a compression with intermediate plate is possible, which can support the occupied carrier plate in the manner of a tray.
  • a thin intermediate plate e.g. a 1 to 2mm thick MDF board
  • a carrier plate 1 which is smaller than the table top, the openings 4 in the area of the table top on which the support plate 1 or the veneer blanks or the intermediate plate do not rest, covered by an air-impermeable cover, for example with a foil plate.
  • an air-impermeable cover for example with a foil plate.
  • FIGS. 2A to 2D show various exemplary embodiments of furniture panels which, according to the prior art, could only be produced with high manual effort.
  • a rectangular veneer sheet (veneer blank) 10 is surrounded by miter-cut strips 11 and 13, which form a miter joint 12 between them.
  • miter-cut strips 11 and 13 Around these strips 11 and 13 more veneer blanks 14 and 15 are laid, which also form a miter 16 between them.
  • These veneer blanks 10 to 15 can be placed on the table on a support plate 1 and then be pressed without causing waviness with dirty joints 12 and 16.
  • FIG. 2B obliquely cut veneer blanks 20 are shown, which form joints 21 that run in an inclined manner relative to the carrier plate 1.
  • a central veneer sheet (veneer blank) 10 ' is surrounded by veneer strips 14' and 15 'which are surrounded by a frame and form a miter joint 16'.
  • narrow strips 31 are provided between wide strips 30, the joints 32 form.
  • the processing of narrow strips 31 is also extremely cumbersome in the prior art.
  • the veneered panels shown may consist of wood-based materials or other natural materials, fibers or other materials that can be glued to a support plate 1.
  • a plate of wood materials is usually used, although other plates can be used with a certain air permeability. Instead of the rectangular shape and curved shapes can be used, in which case the table can also form a corresponding curvature for a positive fit of the support plate 1.
  • the support plate may also be dimensioned so thin that in a subsequent process for producing a curved furniture plate according to the patent EP 1 123 672 can be used. Thereby, the plate referred to herein as a carrier plate can then be connected to further plates to form a stack of individual plates, which is then shaped accordingly.
  • the coated furniture panel can also be used in a furniture front panel, as in the patent application DE 103 55 361 is described.
  • the furniture front panel can be made with attractive decor in lightweight construction.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Finished Plywoods (AREA)
  • Laminated Bodies (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

The method involves superimposing a glue on an air permeable mounting plate (1) e.g. medium density fiberboard, and applying veneer pre-cut parts (2) on the plate. A negative pressure is produced at a side opposite to the pre-cut parts by openings (4) that are present at a top side of a coating station for absorption and fixing of the pre-cut parts. The pre-cut parts with its edges are put together on a surface of the plate. Independent claims are also included for the following: (A) a furniture plate with a mounting plate and veneer pre-cut parts (B) a device for manufacturing a furniture plate.

Description

Die vorliegende Erfindung betrifft ein Verfahren und eine Vorrichtung zur Herstellung von Möbelplatten, insbesondere für Küchen- oder Schrankmöbel.The present invention relates to a method and an apparatus for producing furniture panels, in particular for kitchen or cupboard furniture.

Es ist bekannt, Furniere miteinander zu verbinden, um ein Furnierbild zu erhalten, das dann auf einer Trägerplatte verleimt werden kann. Das Verbinden der Furnierzuschnitte ist jedoch äußerst aufwendig. Zunächst werden die einzelnen Furnierzuschnitte aneinandergelegt und dann an der Fuge miteinander verleimt. Dies ist arbeitsaufwendig und führt bei einer Vielzahl von Furnierzuschnitten zu Maßungenauigkeiten, da beim Verbinden eine unterschiedliche Längenausdehnung stattfinden kann. Der manuelle Aufwand zur Herstellung qualitativ hochwertiger Oberflächen ist vergleichsweise aufwendig.It is known to combine veneers together to obtain a veneer image, which can then be glued on a support plate. The joining of veneer blanks is extremely expensive. First, the individual veneer blanks are put together and then glued together at the joint. This is labor intensive and leads to dimensional inaccuracies in a variety of veneer blanks, since when joining a different linear expansion can take place. The manual effort to produce high quality surfaces is relatively expensive.

Zudem ist es natürlich möglich, die einzelnen Furnierzuschnitte lose auf eine beleimte Trägerplatte aufzulegen. Dann besteht jedoch das Problem, dass durch die Feuchtigkeit des Leimes die Furnierzuschnitte sich wellen und gerade im Fugenbereich nach oben abstehen können. Durch die Feuchtigkeit dehnen sich die Furnierzuschnitte aus und beim anschließenden Verpressen kann es passieren, dass die Furnierzuschnitte nicht bündig aneinander sondern übereinander liegen. Dies führt zu einer verminderten Oberflächenqualität und kann beim anschließenden Schleifen zu Oberflächenfehlern führen.In addition, it is of course possible to hang the individual veneer blanks loosely on a glued support plate. Then there is the problem that due to the moisture of the glue, the veneer blanks can wave and protrude upwards in the joint area. Due to the moisture, the veneer blanks expand and during the subsequent pressing it can happen that the veneer blanks are not flush with each other but one above the other. This leads to a reduced surface quality and can lead to surface defects during subsequent grinding.

Aus der gattungsbildenden GB 2 306 105 ist ein Verfahren zur Herstellung von Möbelplatten gezeigt, bei dem Furnierzuschnitte auf einer Platte zur Herstellung von Möbeln aufgeklebt werden.From the generic GB 2 306 105 is shown a method for the production of furniture panels, are glued in the veneer blanks on a plate for the production of furniture.

Es ist daher Aufgabe der vorliegenden Erfindung ein Verfahren und eine Vorrichtung zur Herstellung von Möbelplatten zu schaffen, die eine Verarbeitung von mehreren Furnierzuschnitten auf einer Trägerplatte auf einfach Weise ermöglichen und eine hohe Oberflächenqualität gewährleisten.It is therefore an object of the present invention to provide a method and an apparatus for the production of furniture panels that allow processing of multiple veneer blanks on a support plate in a simple manner and ensure a high surface quality.

Diese Aufgabe wird mit einem Verfahren mit den Merkmalen des Anspruches 1 sowie einer Vorrichtung mit den Merkmalen des Anspruches 9 gelöst.This object is achieved by a method having the features of claim 1 and a device having the features of claim 9.

Bei dem erfindungsgemäßen Verfahren wird zunächst Leim auf eine Trägerplatte aufgebracht und anschließend werden die Furnierzuschnitte auf die beleimte Trägerplatte aufgelegt oder die beleimte Trägerplatte wird auf die plattenförmig zusammengelegten Furnierzuschnitte aufgelegt. Vor und beim oder nach dem Auflegen wird Unterdruck an der den Furnierzuschnitten gegenüberliegenden Seite zum Ansaugen und Fixieren der Furnierzuschnitte erzeugt, wobei dann nach dem Belegen der Trägerplatte diese zusammen mit den Furnierzuschnitten verpresst wird. Werden zuerst die Furnierzuschnitte angeordnet und anschließend die beleimte Trägerplatte aufgelegt, wird der Unterdruck auf der Seite der Furnierzuschnitte erzeugt. Durch den Unterdruck werden die Furnierzuschnitte auf der Trägerplatte fixiert und selbst einer gewissen Neigung der meist aus Holzwerkstoffen bestehenden Furnierzuschnitten sich aufzuwellen durch die Feuchtigkeit des Leimes wird entgegengewirkt, indem die Furnierzuschnitte an die Trägerplatte angesaugt werden bzw. Leim in diese gleichmäßig eingesaugt wird. Zwar neigt die Furnierzuschnitte immer noch zum Ausdehnen, dies sorgt jedoch dafür, dass die bestehende Fuge zwischen zwei Furnierzuschnitten durch die Expansion zusammengedrückt wird. Im Ergebnis lassen sich somit die Fugen kaum noch erkennen. Bei dem erfindungsgemäßen Verfahren wird die überraschende Erkenntnis genutzt, dass zum Halten der Furnierzuschnitte an der Trägerplatte ein gewisser Unterdruck reicht, der sich durch die Trägerplatte hindurch auf die Furnierzuschnitte übertragen kann, um diese zu fixieren. Zudem wird der Leim in die Trägerplatte eingesaugt, so dass es nicht zu unerwünschtem Leimdurchschlag an der Oberfläche der Furnierzuschnitte kommt.In the method according to the invention glue is first applied to a support plate and then the veneer blanks are placed on the glued support plate or the glued support plate is placed on the plate-shaped folded veneer blanks. Before and during or after laying down, negative pressure is generated on the side opposite the veneer blanks for sucking and fixing the veneer blanks, in which case, after covering the carrier plate, it is pressed together with the veneer blanks. If the veneer blanks are first arranged and then the glued carrier plate is laid on, the negative pressure is produced on the side of the veneer blanks. By the vacuum, the veneer blanks are fixed on the support plate and even a certain inclination of veneer blanks mostly made of wood materials aufwellen by the moisture of the glue is counteracted by the veneer blanks are sucked to the support plate or glue is sucked into this evenly. Although the veneer blanks still tend to expand, this ensures that the existing seam between two veneer blanks is compressed by the expansion. As a result, the joints can hardly be recognized. In the method according to the invention, the surprising finding is utilized that for holding the veneer blanks on the carrier plate, a certain negative pressure is sufficient, which can be transmitted through the carrier plate to the veneer blanks in order to fix them. In addition, the glue is sucked into the carrier plate, so that it does not come to undesirable Leimdurchschlag on the surface of the veneer blanks.

Vorzugsweise wird die beleimte Trägerplatte auf einen Tisch gelegt, an dessen Oberseite eine Vielzahl von Öffnungen zur Erzeugung des Unterdruckes vorgesehen sind. Dadurch lässt sich über die gesamte Fläche der Trägerplatte ein Unterdruck erzeugen, der dann an die Seite mit den Furnierzuschnitte weitgeleitet wird. Durch den Tisch lässt sich ein weitgehend gleichmäßiger Unterdruck an der Trägerplatte oder den Furnierzuschnitten erzeugen.Preferably, the glued carrier plate is placed on a table at the top of a plurality of openings for generating the negative pressure are provided. As a result, a vacuum can be generated over the entire surface of the carrier plate, which is then forwarded to the side with the veneer blanks. Through the table can produce a largely uniform negative pressure on the support plate or the veneer blanks.

Die Furnierzuschnitte werden bei dem Verfahren mit ihren Kanten bündig aneinander auf die beleimte Oberfläche der Trägerplatte gelegt, so dass durch das anschließende Verpressen eine Oberfläche ohne offene Fugen zwischen den Furnierzuschnitten gebildet wird.The veneer blanks are placed in the process with their edges flush with each other on the glued surface of the support plate so that the surface is formed by the subsequent pressing without open joints between the veneer blanks.

Als Trägerplatten werden vorzugsweise mitteldichte Faserplatten (MDF-Platten) oder Spanplatten verwendet. Die Trägerplatten weisen zumindest eine geringfügige Luftdurchlässigkeit auf und können eine Dicke zwischen 3 bis 25 mm, vorzugsweise 5 bis 20 mm, aufweisen, so dass ein Unterdruck an einer Seite noch spürbar an der gegenüberliegenden Seite vorhanden ist.The carrier plates used are preferably medium-density fibreboard (MDF boards) or chipboard. The support plates have at least a slight air permeability and may have a thickness between 3 to 25 mm, preferably 5 to 20 mm, so that a negative pressure on one side is still noticeably present on the opposite side.

Für die Herstellung von Möbelplatten kann sowohl nur eine Seite beschichtet werden als auch eine beidseitige Beschichtung vorzusehen. Meist wird die Rückseite von Möbelplatten mit einem flächigen Furnier belegt, während eine dekorative Vorderseite mit mehreren Furnierzuschnitten beschichtet wird, wobei das erfindungsgemäße Verfahren besonders für die dekorative Vorderseite eingesetzt wird. Dabei können auch streifenförmige Furnierzuschnitte verarbeitet werden, deren Breite kleiner als 50 mm ist, was bei herkömmlichen Verfahren kaum möglich ist.For the production of furniture panels, it is possible to coat only one side and to provide a double-sided coating. In most cases, the back of furniture panels is covered with a flat veneer, while a decorative front side is coated with a plurality of veneer blanks, wherein the inventive method is used especially for the decorative front. In this case, strip-shaped veneer blanks can be processed, the width of which is smaller than 50 mm, which is hardly possible with conventional methods.

Nach einer weiteren Ausgestaltung der Erfindung wird auf den Tisch eine Zwischenplatte, beispielsweise eine MDF-Platte gelegt, auf die dann die Furnierzuschnittc aufgelegt werden. Dadurch wird ein Kontakt zwischen der meist aus Metall bestehenden Tischplatte und den leicht zu beschädigenden Furnierzuschnitten vermieden. Die Saugwirkung erstreckt sich auch durch eine solche Zwischenplatte, so dass ein Fixieren der Furnierzuschnitte an der Trägerplatte auch mit eines solchen Zwischenplatte erfolgen kann. Anschließend kann dann die beleimte Trägerplatte auf die Furnierzuschnitte gelegt werden, wobei der Leim in die Furnierzuschnitte eingesaugt wird. Vor dem Verpressen kann die Zwischenplatte wieder entfernt werden, wobei es natürlich auch möglich ist, die Zwischenplatte mit in die Presse einzulegen und erst nach dem Verpressen wieder zu entfernen.According to a further embodiment of the invention, an intermediate plate, for example, laid an MDF board on which then the veneer blanks are placed on the table. This avoids contact between the usually metal tabletop and the easily damaged veneer blanks. The suction also extends through such an intermediate plate, so that fixing the veneer blanks on the support plate can also be done with such an intermediate plate. Then then the glued carrier plate are placed on the veneer blanks, wherein the glue is sucked into the veneer blanks. Before the pressing, the intermediate plate can be removed again, whereby it is of course also possible to insert the intermediate plate in the press and only after pressing to remove again.

Erfindungsgemäß wird auch eine Vorrichtung zur Herstellung von Möbelplatten bereitgestellt, die eine Beleimungsstation umfasst, in der Trägerplatten zumindest an einer Seite mit einer Leimschicht überzogen werden. Ferner ist eine Beschichtungsstation mit einem Tisch mit einer Tischplatte vorgesehen, an dessen Oberseite eine Vielzahl von Öffnungen zur Erzeugung eines Unterdruckes vorhanden sind. Durch den Tisch kann dann an aufgelegten Furnierzuschnitten oder der Trägerplatte ein Unterdruck erzeugt werden, der auf die Oberseite mit aufgelegten Furnierzuschnitten oder die Trägerplatte übertragen wird. Ferner umfasst die Vorrichtung noch eine Presse zum dauerhaften Verbinden der Trägerplatte mit den Furnierzuschnitten. Die einzelnen Stationen können als Einheit oder getrennt voneinander aufgestellt sein. Dadurch lassen sich auf effektive Weise Möbelplatten herstellen, die zumindest an einer Seite mit mehreren Furnierzuschnitten beschichtet sind.According to the invention, a device for the production of furniture panels is provided, which comprises a gluing station, in which support plates are coated with a glue layer on at least one side. Further, a coating station is provided with a table with a table top, at the top of a plurality of openings for generating a negative pressure are present. Through the table can then be created on applied veneer blanks or the support plate, a negative pressure, which is transmitted to the top with applied veneer blanks or the support plate. Furthermore, the device also comprises a press for permanently connecting the carrier plate with the veneer blanks. The individual stations can be set up as a unit or separately. As a result, furniture panels can be produced in an effective manner, which are coated on at least one side with several veneer blanks.

Für eine einfache Ausbildung des Tischen weist dieser eine Hohlkammer auf, die in Verbindung mit den Öffnungen steht, wobei die Hohlkammer mit mindestens einem Sauganschluss versehen ist, um einen entsprechenden Unterdruck in der Hohlkammer zu erzeugen.For a simple design of the table, this has a hollow chamber, which communicates with the openings, wherein the hollow chamber is provided with at least one suction port to generate a corresponding negative pressure in the hollow chamber.

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispieles mit Bezug auf die beigefügten Zeichnungen näher erläutert. Es zeigen:

Figur 1
eine geschnittene Seitenansicht durch eine erfindungsgemäße Vorrichtung zur Herstellung von Möbelplatten, und
Figuren 2A bis 2D
verschiedene Ausführungsbeispiele von beschichteten Möbelplatten.
The invention will be explained in more detail using an exemplary embodiment with reference to the accompanying drawings. Show it:
FIG. 1
a sectional side view of an inventive device for the production of furniture panels, and
FIGS. 2A to 2D
Various embodiments of coated furniture panels.

Eine Trägerplatte 1 ist aus einer MDF-Platte oder einer Spanplatte gebildet und weist eine Dicke auf, die zumindest eine gewisse Luftdurchlässigkeit ermöglicht.A carrier plate 1 is formed from an MDF board or a chipboard and has a thickness which allows at least some air permeability.

Die Trägerplatte 1 ist in Draufsicht rechteckförmig ausgebildet, wobei auch andere Geometrien verarbeitet werden können. Auf der Trägerplatte 1 ist eine Schicht aus Furnierzuschnitten 2 auf eine beleimte Oberfläche der Trägerplatte 1 aufgelegt.The support plate 1 is rectangular in plan view, wherein other geometries can be processed. On the support plate 1, a layer of veneer blanks 2 is placed on a glued surface of the support plate 1.

Die Trägerplatte 1 liegt auf der den Furnierzuschnitten 2 gegenüberliegenden Seite auf einer Oberfläche 3 eines Tisches auf, wobei in der Oberfläche 3 Öffnungen 4 in regelmäßigen Abständen ausgespart sind, die mit einer Hohlkammer 6 in Verbindung stehen. Der Tisch umfasst eine obere Platte 3 mit den Öffnungen 4, eine untere Platte 5 und umschließende Seitenwände 7, die die Hohlkammer 6 umgeben. Zur Erzeugung eines Unterdruckes in der Hohlkammer 6 sind ein oder mehrere Anschlüsse 8 vorgesehen, die mit Leitungen 9 zu einer Vakuumpumpe verbunden sind. Durch Erzeugen eines Unterdruckes in der Hohlkammer 6 wird über die Öffnungen 4 die Trägerplatte 1 angesaugt, durch die der Unterdruck an die aufgelegten Furnierzuschnitten 2 weitergegeben werden, die sich nun nicht mehr nach oben wellen und sich von der beleimten Oberfläche ablösen. Nachdem die vollständige Fläche der Trägerplatte 1 belegt wurde, kann diese von dem Tisch entfernt werden und in einer Presse können die Furnierzuschnitten 2 dauerhaft mit der Trägerplatte 1 verbunden werden. Es ist natürlich auch möglich, die Trägerplatte 1 auf dem Tisch direkt zu verpressen.The support plate 1 rests on the veneer blanks 2 opposite side on a surface 3 of a table, wherein in the surface 3 openings 4 are recessed at regular intervals, which are in communication with a hollow chamber 6. The table comprises an upper plate 3 with the openings 4, a lower plate 5 and enclosing side walls 7 which surround the hollow chamber 6. To generate a negative pressure in the hollow chamber 6, one or more ports 8 are provided, which are connected to lines 9 to a vacuum pump. By generating a negative pressure in the hollow chamber 6, the carrier plate 1 is sucked through the openings 4, through which the negative pressure to the applied veneer blanks 2 are passed, which now no longer wave up and detach from the glued surface. After the entire surface of the support plate 1 has been occupied, it can be removed from the table and in a press, the veneer blanks 2 can be permanently connected to the support plate 1. It is of course also possible to directly press the carrier plate 1 on the table.

Ferner können die Furnierzuschnitte zunächst auf den Tisch oder eine auf dem Tisch angeordnete dünne Zwischenplatte, z.B. eine 1 bis 2mm dicke MDF-Platte, aufgelegt werden, damit diese dann schon mit einem gewissen Unterdruck in der Lage fixiert werden können. Anschließend kann dann die ein- oder beidseitig beleimte Trägerplatte auf die Furnierzuschnitte gelegt und der Leim teilweise in die Furnierzuschnitte eingesaugt. Danach kann dann das Verpressen erfolgen, ggfs. auch unter vorheriger Belegung der zweiten Seite der Trägerplatte mit Furnicrzuschnitten oder einer Dekorfolie. Vor dem Verpressen kann die Zwischenplatte für einen besseren Wärmeübergang entfernt werden, wobei auch ein Verpressen mit Zwischenplatte möglich ist, die die belegte Trägerplatte nach Art eines Tabletts stützen kann.Further, the veneer blanks may first be placed on the table or on the table, a thin intermediate plate, e.g. a 1 to 2mm thick MDF board, be placed so that they can then be fixed with a certain negative pressure in the situation. Then then the one or both sides glued carrier plate can be placed on the veneer blanks and the glue partially sucked into the veneer blanks. Then then the pressing can be done, if necessary, even with prior occupancy of the second side of the carrier plate with Furnicrzuschnitten or a decorative film. Before pressing the intermediate plate can be removed for a better heat transfer, with a compression with intermediate plate is possible, which can support the occupied carrier plate in the manner of a tray.

Falls eine Trägerplatte 1 beschichtet werden soll, die kleiner als die Tischplatte ist, werden die Öffnungen 4 im Bereich der Tischplatte, auf der die Trägerplatte 1 oder die Furnierzuschnitte bzw. die Zwischenplatte nicht aufliegen, durch eine luftundurchlässige Abdeckung überdeckt, beispielsweise mit einer Folienplatte. Dadurch können mit ein und derselben Tischplatte ohne große Umrüstzeiten unterschiedliche Trägerplatten beschichtet werden.If a carrier plate 1 is to be coated, which is smaller than the table top, the openings 4 in the area of the table top on which the support plate 1 or the veneer blanks or the intermediate plate do not rest, covered by an air-impermeable cover, for example with a foil plate. As a result, different support plates can be coated with one and the same table top without major changeover times.

In den Figuren 2A bis 2D sind verschiedene Ausführungsbeispiele von Möbelplatten gezeigt, die nach dem Stand der Technik nur mit hohem manuellen Aufwand herstellbar wären.FIGS. 2A to 2D show various exemplary embodiments of furniture panels which, according to the prior art, could only be produced with high manual effort.

In Figur 2A ist ein rechteckiges Furnierblatt (Furnierzuschnitt) 10 von auf Gehrung geschnittenen Streifen 11 und 13 umgeben, die zwischen sich eine Gehrungsfuge 12 ausbilden. Um diese Streifen 11 und 13 sind weitere Furnierzuschnitte 14 und 15 gelegt, die ebenfalls eine Gehrungsfuge 16 zwischen sich ausbilden. Diese Furnierzuschnitte 10 bis 15 können auf dem Tisch auf einer Trägerplatte 1 aufgelegt werden und anschließend verpresst werden, ohne dass es zu einer Wellenbildung mit unsauberen Fugen 12 und 16 kommt.In FIG. 2A, a rectangular veneer sheet (veneer blank) 10 is surrounded by miter-cut strips 11 and 13, which form a miter joint 12 between them. Around these strips 11 and 13 more veneer blanks 14 and 15 are laid, which also form a miter 16 between them. These veneer blanks 10 to 15 can be placed on the table on a support plate 1 and then be pressed without causing waviness with dirty joints 12 and 16.

In Figur 2B sind schräg geschnittene Furnierzuschnitte 20 gezeigt, die zwischen sich gegenüber der Trägerplatte 1 geneigt verlaufende Fugen 21 ausbilden.In FIG. 2B, obliquely cut veneer blanks 20 are shown, which form joints 21 that run in an inclined manner relative to the carrier plate 1.

In Figur 2C ist ein mittiges Furnierblatt (Furnierzuschnitt) 10' durch rahmenförmig umgebene Furnierstreifen 14' und 15' umgeben, die eine Gehrungsfuge 16' ausbilden.In FIG. 2C, a central veneer sheet (veneer blank) 10 'is surrounded by veneer strips 14' and 15 'which are surrounded by a frame and form a miter joint 16'.

Bei dem in Figur 2D gezeigten Beispiel einer Möbelplatte sind schmale Streifen 31 zwischen breiten Streifen 30 vorgesehen, die Fugen 32 ausbilden. Die Verarbeitung schmaler Streifen 31 ist nach dem Stand der Technik ebenfalls äußerst mühsam.In the example of a furniture panel shown in Figure 2D narrow strips 31 are provided between wide strips 30, the joints 32 form. The processing of narrow strips 31 is also extremely cumbersome in the prior art.

Die gezeigten furnierten Platten können aus Holzwerkstoffen oder anderen Naturmaterialien, Fasern oder anderen Werkstoffen bestehen, die mit einer Trägerplatte 1 verleimt werden können.The veneered panels shown may consist of wood-based materials or other natural materials, fibers or other materials that can be glued to a support plate 1.

Als Trägerplatte 1 wird eine Platte aus Holzwerkstoffen meist verwendet, wobei auch andere Platten mit einer gewissen Luftdurchlässigkeit eingesetzt werden können. Statt der rechteckigen Form können auch gekrümmte Formen eingesetzt werden, wobei dann der Tisch ebenfalls eine entsprechende Krümmung für ein formschlüssiges Aufliegen der Trägerplatte 1 ausbilden kann. Die Trägerplatte kann auch so dünn bemessen sein, dass diese bei einem anschließenden Verfahren zur Herstellung einer gewölbten Möbelplatte gemäß dem Patent EP 1 123 672 eingesetzt werden kann. Dadurch kann die hierin als Trägerplatte bezeichnete Platte anschließend mit weiteren Platten verbunden werden, um einen Stapel einzelner Platten auszubilden, der dann entsprechend geformt wird.As a support plate 1, a plate of wood materials is usually used, although other plates can be used with a certain air permeability. Instead of the rectangular shape and curved shapes can be used, in which case the table can also form a corresponding curvature for a positive fit of the support plate 1. The support plate may also be dimensioned so thin that in a subsequent process for producing a curved furniture plate according to the patent EP 1 123 672 can be used. Thereby, the plate referred to herein as a carrier plate can then be connected to further plates to form a stack of individual plates, which is then shaped accordingly.

Ferner lässt sich die beschichtete Möbelplatte auch bei einer Möbelfrontplatte einsetzen, wie sie in der Patentanmeldung DE 103 55 361 beschrieben ist. Dadurch kann die Möbelfrontplatte mit ansprechendem Dekor auch in Leichtbauweise hergestellt werden.Furthermore, the coated furniture panel can also be used in a furniture front panel, as in the patent application DE 103 55 361 is described. As a result, the furniture front panel can be made with attractive decor in lightweight construction.

Claims (10)

  1. Method for the manufacture of furniture panels involving the following stages:
    - Application of adhesive to a carrier panel (1);
    - Laying sheets of veneer (2) on the adhesive-coated carrier panel (1), or the adhesive-coated carrier panel on sheets of veneer (2);
    characterized by the steps:
    - generation of a negative pressure on the sheets of veneer (2) or the carrier panel (1) for the purpose of the attachment by suction and securing of the sheets of veneer (2) to the carrier panel (1), and
    - compression of the carrier panel (1) with the sheets of veneer (2).
  2. Method according to Claim 1, characterized in that the adhesive-coated carrier panel (1) or the sheets of veneer (2) is/are laid on a table, on the top surface (3) of which a plurality of openings (4) is provided for the generation of the negative pressure.
  3. Method according to Claims 1 or 2, characterized in that the sheets of veneer (2) are laid on the adhesive-coated surface of the carrier panel (1) with their edges flush with one another.
  4. Method according to one of Claims 1 to 3, characterized in that an MDF panel or a particle board is used as the carrier panel (1).
  5. Method according to one of Claims 1 to 4, characterized in that the carrier panel (1) is air-permeable and exhibits a thickness of between 3 and 25 mm, and preferably 5 to 20 mm.
  6. Method according to one of Claims 1 to 5, characterized in that the carrier panel (1) is coated with adhesive on both sides and is covered with sheets of veneer (2).
  7. Method according to one of Claims 1 to 6, characterized in that strip-shaped sheets of veneer (11, 31) are laid in position, the width of which is smaller than 50 mm, and preferably smaller than 40 mm.
  8. Method according to one of Claims 1 to 7, characterized in that an intermediate panel is arranged on the table, onto which the sheets of veneer (2) are then laid, in conjunction with which the adhesive-coated carrier panel (1) is then laid on the sheets of veneer (2) for subsequent compression.
  9. Device for the manufacture of furniture panels with an adhesive application station, in which carrier panels (1) are coated on at least one side with a layer of adhesive, characterized by a table as a coating station, which exhibits on its upper side (3) a plurality of openings (4) for the generation of the negative pressure on the carrier panel (1) arranged thereon for the purpose of the attachment by suction of the applied sheets of veneer (2), and a press for the permanent connection of the carrier panel (1) to the sheets of veneer (2).
  10. Device according to Claim 9, characterized in that the table exhibits a cavity (6) that is in connection with the openings (4) and is connected to the cavity (6) by means of at least one suction union (8).
EP05102150A 2004-09-08 2005-03-18 Method and apparatus for producing a furniture panel Not-in-force EP1634514B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004043290A DE102004043290A1 (en) 2004-09-08 2004-09-08 Furniture e.g. kitchen furniture, plate manufacturing method, involves producing negative pressure at side opposite to veneer pre-cut parts for absorption and fixing of parts, where parts with its edges are put together on plate`s surface

Publications (2)

Publication Number Publication Date
EP1634514A1 EP1634514A1 (en) 2006-03-15
EP1634514B1 true EP1634514B1 (en) 2007-09-12

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Application Number Title Priority Date Filing Date
EP05102150A Not-in-force EP1634514B1 (en) 2004-09-08 2005-03-18 Method and apparatus for producing a furniture panel

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EP (1) EP1634514B1 (en)
AT (1) ATE372700T1 (en)
DE (2) DE102004043290A1 (en)
EA (1) EA200500402A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110432657A (en) * 2019-08-15 2019-11-12 林金满 A kind of dining table

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1836931A1 (en) * 2006-03-23 2007-09-26 Adolf Vietmeyer Method of manufacturing a furniture panel
DE102007047517A1 (en) * 2007-10-04 2009-04-09 Adolf Vietmeyer Process for producing a veneer sheet from individual strips of real wood veneer and veneer sheet produced by this method
DE102020134525B4 (en) 2020-12-21 2023-05-11 Sebastian Stümpel & Philipp Dahlem Rootpecker GbR (vertretungsberechtigte Gesellschafter: Sebastian Stümpel, 52070 Aachen; Philipp Dahlem, 52062 Aachen) PROCESS, PRODUCTION CELL AND WOOD VENEER
CN113954186A (en) * 2021-12-03 2022-01-21 伦英君 Portable curved surface veneer gluing device for solid wood furniture

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0555499A1 (en) * 1992-02-12 1993-08-18 VD-Werkstätten GmbH & Co. KG Method for producing a furniture front panel made of wood and the furniture front panel so produced
IES66578B2 (en) * 1995-09-22 1996-01-24 Farrell Brothers Research Limited A process for producing office furniture
FR2780255B1 (en) * 1998-06-26 2000-09-08 Jean Bruno Joga PROCESS FOR MANUFACTURING A MATERIAL, PARTICULARLY FOR FURNISHING SAID MATERIAL AND FURNITURE MADE OF SAID MATERIAL

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110432657A (en) * 2019-08-15 2019-11-12 林金满 A kind of dining table
CN110432657B (en) * 2019-08-15 2021-10-29 石门纽丰家居有限公司 Dining table

Also Published As

Publication number Publication date
EA200500402A1 (en) 2006-04-28
DE502005001470D1 (en) 2007-10-25
DE102004043290A1 (en) 2006-03-09
ATE372700T1 (en) 2007-09-15
EP1634514A1 (en) 2006-03-15

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