EP2127833B1 - Procédé destiné au revêtement d'une pièce à usiner - Google Patents

Procédé destiné au revêtement d'une pièce à usiner Download PDF

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Publication number
EP2127833B1
EP2127833B1 EP08009604.3A EP08009604A EP2127833B1 EP 2127833 B1 EP2127833 B1 EP 2127833B1 EP 08009604 A EP08009604 A EP 08009604A EP 2127833 B1 EP2127833 B1 EP 2127833B1
Authority
EP
European Patent Office
Prior art keywords
core
workpiece
projection
region
surface layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP08009604.3A
Other languages
German (de)
English (en)
Other versions
EP2127833A1 (fr
Inventor
Johannes Schmid
Reiner Götz
Jürgen Hornberger
Horst Maier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Homag GmbH
Original Assignee
Homag Holzbearbeitungssysteme GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Homag Holzbearbeitungssysteme GmbH filed Critical Homag Holzbearbeitungssysteme GmbH
Priority to EP08009604.3A priority Critical patent/EP2127833B1/fr
Priority to ES08009604.3T priority patent/ES2555520T3/es
Priority to PL08009604T priority patent/PL2127833T3/pl
Publication of EP2127833A1 publication Critical patent/EP2127833A1/fr
Application granted granted Critical
Publication of EP2127833B1 publication Critical patent/EP2127833B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/003—Other working of veneer or plywood specially adapted to veneer or plywood securing a veneer strip to a panel edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
    • B27N7/005—Coating boards, e.g. with a finishing or decorating layer

Definitions

  • the invention relates to a method for coating a workpiece in the region of a narrow surface according to the preamble of claim 1.
  • a method for coating a workpiece in the region of a narrow surface is made US 2542860 A known.
  • the workpieces in question here have a core, the z. B. at least partially made of wood, wood material, plastic or the like, wherein on at least one wide surface of the core, a surface layer is provided.
  • the so-called "postforming technique” is known.
  • the EP 0 545 390 A1 a plate with Postformingkante the means of a generic method is made of a carrier material.
  • a part of the same is left in the removal of the core in order to support the surface layer.
  • the document DE 1 561 543 A known which relates to an artificial board, in particular for forming a housing for an electrical receiver.
  • the board has a film coating, wherein for the production of the narrow side edge of the board material is notched to the film.
  • EP 0 880 920 A2 Another prior art is the document EP 0 880 920 A2 called, which relates to a method for producing a worktop.
  • the invention is based on the idea, in a generic method for coating a workpiece, to be able to tune the rigidity of the supernatant in a targeted manner to the desired surface course or the desired appearance.
  • the invention provides that the core is removed such that in a generic method provided in the region of the supernatant portion of the core has a variable thickness, wherein the thickness is measured perpendicular to the extension of the supernatant.
  • the overhang in areas of lesser thickness can adapt very well to the workpiece contour, while in areas of greater thickness it can produce a support function and a particularly smooth surface. Furthermore, areas of lesser thickness also serve as a glue reservoir in order to allow a uniform and conformal bonding of the supernatant with the core.
  • the thickness of the portion of the core provided in the region of the projection is not particularly limited in the context of the present invention. According to the invention, however, it is provided that the core is removed in such a way that the surface layer is at least partially exposed. This results in a further improved deformation behavior of the supernatant and a particularly clean and defined bond area.
  • the core is removed in such a way that the surface layer is at least partially exposed. This results in a further improved deformation behavior of the supernatant and a particularly clean and defined bond area.
  • at least a portion of the surface layer is additionally removed in such a way that a glue reservoir is formed in the region of the minimum thickness of the supernatant (10). This procedure is particularly suitable for comparatively stiff surface layers, in which a targeted weakening of the surface layer contributes to a further improved deformation behavior of the entire supernatant.
  • the supernatant is so pressed against the narrow surface of the workpiece to be coated, that it is curved at least in the region of a minimum thickness of the supernatant.
  • the thickness of the portion of the core provided in the region of the supernatant is, as already mentioned, not particularly limited within the scope of the invention. However, it has proven to be advantageous to use the provided in the region of the supernatant portion of the core also for stabilizing the narrow surface of the workpiece, especially in lightweight panels, which have a lower density inside the core than on its outer sides. Against this background, according to a development of the invention, it is provided that the section of the core provided in the region of the supernatant has a greater maximum thickness than the surface layer.
  • the inventive method is also advantageous for producing so-called workpieces with U-profile.
  • the supernatant also extends to the opposite surface of the workpiece after being pressed against the narrow surface of the workpiece to be coated.
  • the surface layer can be made in the context of the present invention on a variety of materials, and it has proven to be advantageous in view of a high durability and an attractive appearance, that the surface layer is a material which is selected from plastic, paper, metal and wood. In any case, it is particularly preferred that the surface layer has an artificial or natural decor.
  • the core of the workpiece can also be configured in a very wide variety of ways and may consist, for example, of solid wood or various chip and fiber materials and any other materials. It is also possible that the core is designed as a one-piece or multi-layer lightweight board.
  • the core has two cover layers and at least one intermediate layer arranged between the cover layers, which has a lower density than the cover layers.
  • the cover layers and the intermediate layer can also be formed in one piece and have a dense gradient.
  • Fig. 1 schematically shows two partial side views of a workpiece in the course of processing by means of the method according to the invention.
  • the workpiece 1 is, for example, a chipboard core 4, which has a respective surface layer 8 on its opposite broad surfaces 6.
  • both the core 4 and the surface layer 6 are not particularly limited in the present invention, although different solid and hollow plates have been found to be advantageous for the core, at least partially made of wood, wood materials, plastic or the like.
  • materials are particularly suitable which are selected from plastic, paper, metal and wood, wherein the surface layer preferably has an artificial or natural decor.
  • the surface layer and the core may, for example, be connected to one another by means of a laminating process.
  • the original shape of the workpiece 1 is in Fig. 1 dashed lines and marked with "A".
  • the core 4 is removed such that a projection 10 is formed, which is formed by a portion 8 'of the surface layer 8 and a portion 4' of the core 4 connected thereto.
  • the supernatant is formed so as to have a minimum thickness at its free end and at its projection on the workpiece 1, while having a maximum thickness in its middle region. This is achieved by removing both the core 4 and a part of the surface layer 8 in the area of the minimum thickness of the overhang 10, while leaving a considerable part of the core 4 in the area of the maximum thickness. In this area, the core 4 has a greater thickness than the surface layer 8, so that it stabilizes the surface layer.
  • the supernatant 10 is pressed against the narrow surface 2 of the workpiece to be coated, wherein previously the supernatant 10 and / or the narrow surface 2 was provided with a suitable adhesive (not shown). During the pressing, the projection 10 is curved in the region of its minimum thickness facing the workpiece 1, wherein the small thickness of the supernatant 10 in this area not only a slight, but also a well-defined curvature of the supernatant 10 allows.
  • the free end of the protrusion 10 is flush with respect to the adjacent wide surface of the workpiece 4, for example by means of a suitable flush trimming unit to the in Fig. 1 to reach the state shown on the right.
  • the manufacturing process is hereby completed.
  • Fig. 2 An alternative embodiment to that with reference to Fig. 1 described method is in Fig. 2 shown.
  • the workpiece is designed as a special lightweight board in which the core 4 has two cover layers 4 'and disposed between the cover layers intermediate layer 4''', which has a lower density than the cover layers 4 ''.
  • the cover layers 4 ' may, for example, again be a chipboard material or the like, while advantageously a honeycomb material, lightweight foam or the like is used for the intermediate layer, although the invention is of course not limited to specific materials.
  • the procedure of this alternative embodiment corresponds in principle to the Fig. 1 described procedure, wherein, as in Fig. 2 is to recognize right, the portion 4 'of the core in the region of the supernatant 10 is advantageously designed such that it protects the intermediate layer 4''in the region of the narrow surface 2 and stabilized.
  • third preferred embodiment of the method according to the invention is characterized in that the supernatant 10 after pressing against the to be coated narrow surface 2 of the workpiece 1 extends to the opposite surface 1 'of the workpiece.
  • third embodiment is characterized in that the core 4 and the surface layer 8 are removed such that they each have two adjacent miter surfaces in the region of the supernatant. These facilitate the application of the supernatant 10 to the narrow surface 2 of the workpiece and ensure a well-defined formation of the workpiece corners, which results from an aneinaner concern of the miter surfaces 12 (see, right in Fig. 4 ).
  • Fig. 5 a further embodiment, in which in each case a plurality of Gehrungs vomclame 12 are provided in the region of the later curvature. These are in the finished state of the workpiece (right in Fig. 5 ) again aneinaner and define so permanently and precisely a desired radius of curvature in the area of the workpiece corners.
  • miter contact also between the supernatant 10 and the narrow surface 2.
  • complementary miter surfaces 12 ' can be formed for this purpose, which allow for the application of the supernatant 10 to the narrow surface 2 a particularly stable and well-defined contact.
  • curved contact surfaces 12 are provided to achieve both optically and technically optimal cornering properties.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)

Claims (6)

  1. Procédé de revêtement d'une pièce (1) au moins dans une zone de largeur (2), comprenant les étapes suivantes :
    préparation d'une pièce (1) présentant une âme (4) de préférence au moins partiellement constituée de bois, de matériau ligneux, de matière plastique ou similaire, une couche de surface (8) étant prévue sur au moins une longueur (6) de l'âme (4),
    enlèvement de matière de l'âme (4) dans une zone de largeur (2) de manière à générer une protubérance (10) formée par un segment (8') de la couche de surface (8) et un segment (4') de l'âme (4) lié à celui-ci, et
    serrage de la protubérance (10) contre la largeur (2) de pièce (1) à revêtir,
    où
    l'enlèvement de matière de l'âme (4) est effectué de telle manière que le segment (4') de l'âme (4) prévu au niveau de la protubérance (10) présente une épaisseur variable perpendiculairement à l'extension de la protubérance (10), et où
    l'enlèvement de matière de l'âme (4) est effectué de telle manière que la couche de surface (8) est partiellement retirée,
    caractérisé en ce que
    pour la définition d'une zone d'épaisseur minimale de la protubérance (10), en plus de l'enlèvement de matière de l'âme (4), il est procédé à un enlèvement de matière d'un segment de la couche de surface (8), de manière à former un réservoir de colle au niveau de l'épaisseur minimale de la protubérance (10), et en ce que la protubérance (10) est serrée contre la largeur (2) de pièce (1) à revêtir de manière à être courbée en formant un rayon de courbure au moins au niveau d'une épaisseur minimale de la protubérance (10),
    l'âme (4) présentant deux couches de couverture (4") et au moins une couche intercalaire (4"') disposée entre les couches de couverture, laquelle est de densité inférieure à celle des couches de couverture (41').
  2. Procédé selon l'une des revendications précédentes, caractérisé en ce que le segment (4') de l'âme prévu au niveau de la protubérance (10) présente une épaisseur maximale supérieure à celle de la couche de surface (8).
  3. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'après serrage contre la largeur (2) de pièce (1) à revêtir, la protubérance (10) s'étend aussi sur la surface opposée (1') de la pièce (1).
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'après serrage contre la largeur (2) de pièce (1) à revêtir, la protubérance (10) est usinée pour être affleurante, en étant en particulier fraisée et/ou découpée.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que la couche de surface (8) comprend un matériau sélectionné entre une matière plastique, un papier, un métal ou du bois.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que la couche de surface (8) présente un décor artificiel ou naturel.
EP08009604.3A 2008-05-27 2008-05-27 Procédé destiné au revêtement d'une pièce à usiner Active EP2127833B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08009604.3A EP2127833B1 (fr) 2008-05-27 2008-05-27 Procédé destiné au revêtement d'une pièce à usiner
ES08009604.3T ES2555520T3 (es) 2008-05-27 2008-05-27 Procedimiento para recubrir una pieza de trabajo
PL08009604T PL2127833T3 (pl) 2008-05-27 2008-05-27 Sposób powlekania przedmiotu obrabianego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08009604.3A EP2127833B1 (fr) 2008-05-27 2008-05-27 Procédé destiné au revêtement d'une pièce à usiner

Publications (2)

Publication Number Publication Date
EP2127833A1 EP2127833A1 (fr) 2009-12-02
EP2127833B1 true EP2127833B1 (fr) 2015-09-16

Family

ID=39735470

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08009604.3A Active EP2127833B1 (fr) 2008-05-27 2008-05-27 Procédé destiné au revêtement d'une pièce à usiner

Country Status (3)

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EP (1) EP2127833B1 (fr)
ES (1) ES2555520T3 (fr)
PL (1) PL2127833T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20130027A1 (it) * 2013-02-27 2014-08-28 Spring Due S R L Metodo per la bordatura di pannelli, pannello cosi' ottenuto e dispositivo di rifilatura
ITTV20130087A1 (it) * 2013-05-31 2014-12-01 Flex Service S R L Procedimento di bordatura per profili di componenti di mobili.
DE102022116591A1 (de) * 2022-07-04 2024-01-04 Homag Gmbh Verfahren zum Beschichten von Schmalflächen eines Werkstücks sowie Werkstück

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542860A (en) * 1946-01-19 1951-02-20 Clements Macmillan Edge construction
DE2118760A1 (de) * 1967-03-03 1972-11-16 Fa. Wilhelm Lehbrink,4913 Helpup Verfahren zum Herstellen einer mindestens an einer Grundfläche und längs- und/ oder querkantenseitig oberflächenbeschichteten Platte sowie Vorrichtung zum Herstellen von Gehrungsschnitten und Nuten an dieser Platte
FR2192895A1 (fr) * 1972-07-15 1974-02-15 Bottcher Et Gessner
DE2357051A1 (de) * 1973-11-15 1975-05-28 Klessmann Ima Norte Maschfab Verfahren und vorrichtung zum beschichten von holz- oder holzwerkstoffplatten mit abgerundeten kanten
DE3032180A1 (de) * 1979-11-28 1981-09-10 Wilhelm Lehbrink Gmbh & Co Kg, 4811 Oerlinghausen Verfahren und vorrichtung zum herstellen eines auch kantenseitig mit einer deckschicht ausgestatteten bauteils
DE3037233A1 (de) * 1973-11-15 1982-04-29 IMA - Klessmann GmbH & Co KG, 4830 Gütersloh Verfahren und vorrichtung zum beschichten von profilierten kanten an holz- oder holzwerkstoffplatten
DE19706330A1 (de) * 1996-02-20 1997-10-30 Hubert Fosodeder Schichtkörper
EP0880920A2 (fr) * 1997-05-30 1998-12-02 Johann Lederhilger Procédé pour la fabrication d'une surface de travail
US6089288A (en) * 1999-04-29 2000-07-18 Fcc Commercial Furniture Method and apparatus for bending a laminate-covered sheet of wood to provide a rounded corner

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553048A (en) * 1967-05-29 1971-01-05 Weyerhaeuser Co Method of making a surface overlay product
ATE181012T1 (de) 1995-03-21 1999-06-15 Homag Maschinenbau Ag Verfahren und vorrichtung zur beschichtung einer schmalseite eines werkstückes mit holz oder holzwerkstoff aus dessen an die schmalseite angrenzender oberflächenschicht

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542860A (en) * 1946-01-19 1951-02-20 Clements Macmillan Edge construction
DE2118760A1 (de) * 1967-03-03 1972-11-16 Fa. Wilhelm Lehbrink,4913 Helpup Verfahren zum Herstellen einer mindestens an einer Grundfläche und längs- und/ oder querkantenseitig oberflächenbeschichteten Platte sowie Vorrichtung zum Herstellen von Gehrungsschnitten und Nuten an dieser Platte
FR2192895A1 (fr) * 1972-07-15 1974-02-15 Bottcher Et Gessner
DE2357051A1 (de) * 1973-11-15 1975-05-28 Klessmann Ima Norte Maschfab Verfahren und vorrichtung zum beschichten von holz- oder holzwerkstoffplatten mit abgerundeten kanten
DE3037233A1 (de) * 1973-11-15 1982-04-29 IMA - Klessmann GmbH & Co KG, 4830 Gütersloh Verfahren und vorrichtung zum beschichten von profilierten kanten an holz- oder holzwerkstoffplatten
DE3032180A1 (de) * 1979-11-28 1981-09-10 Wilhelm Lehbrink Gmbh & Co Kg, 4811 Oerlinghausen Verfahren und vorrichtung zum herstellen eines auch kantenseitig mit einer deckschicht ausgestatteten bauteils
DE19706330A1 (de) * 1996-02-20 1997-10-30 Hubert Fosodeder Schichtkörper
EP0880920A2 (fr) * 1997-05-30 1998-12-02 Johann Lederhilger Procédé pour la fabrication d'une surface de travail
US6089288A (en) * 1999-04-29 2000-07-18 Fcc Commercial Furniture Method and apparatus for bending a laminate-covered sheet of wood to provide a rounded corner

Also Published As

Publication number Publication date
PL2127833T3 (pl) 2016-02-29
EP2127833A1 (fr) 2009-12-02
ES2555520T3 (es) 2016-01-04

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