FR2895697A1 - Panel for e.g. door, has core with surface destined to be covered by metallic cover, which engages patterns of machined surface of core and is deformed by pressing between patterns and machined face of core - Google Patents

Panel for e.g. door, has core with surface destined to be covered by metallic cover, which engages patterns of machined surface of core and is deformed by pressing between patterns and machined face of core Download PDF

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Publication number
FR2895697A1
FR2895697A1 FR0600075A FR0600075A FR2895697A1 FR 2895697 A1 FR2895697 A1 FR 2895697A1 FR 0600075 A FR0600075 A FR 0600075A FR 0600075 A FR0600075 A FR 0600075A FR 2895697 A1 FR2895697 A1 FR 2895697A1
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France
Prior art keywords
core
panel
machined
face
patterns
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Granted
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FR0600075A
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French (fr)
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FR2895697B1 (en
Inventor
Henri Janneau
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Janneau Menuiseries SAS
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Janneau Menuiseries SAS
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Priority to FR0600075A priority Critical patent/FR2895697B1/en
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Application granted granted Critical
Publication of FR2895697B1 publication Critical patent/FR2895697B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/0093—Manufacture or reconditioning of specific semi-finished or finished articles of raised panels, i.e. panels having a profiled surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/10—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/042—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/10—Applying flat materials, e.g. leaflets, pieces of fabrics
    • B44C1/14—Metallic leaves or foils, e.g. gold leaf
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22—Removing surface-material, e.g. by engraving, by etching
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/7001—Coverings therefor; Door leaves imitating traditional raised panel doors, e.g. engraved or embossed surfaces, with trim strips applied to the surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2451/00—Decorative or ornamental articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B2003/7049—Specific panel characteristics
    • E06B2003/7051—Specific panel characteristics of layered construction involving different materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

The panel (1) has a core (2) with a surface destined to be covered by a metallic cover (4), where the surface is machined to form moldings, reliefs, and hollow patterns (3) or decoration reliefs. The metallic cover engages the patterns of the machined surface of the core. The metallic cover is deformed by pressing between the patterns and the machined face of the core. The cover is maintained against the machined face of the core by bonding. An independent claim is also included for a method of manufacturing a panel.

Description

Panneau du type formé d'une âme dont au moins une face est revêtue d'unPanel of the type formed of a soul of which at least one face is coated with a

parement métallique mince et son procédé de fabrication  thin metal siding and method of manufacture

La présente invention concerne un panneau du type formé d'au moins une âme réalisée au moins partiellement en un matériau usinable, tel que du bois, une w matière de synthèse ou autre, dont au moins une face est revêtue d'un parement métallique mince et un procédé de fabrication d'un tel panneau.  The present invention relates to a panel of the type formed of at least one core made at least partially of a machinable material, such as wood, synthetic material or the like, at least one side of which is coated with a thin metal cladding. and a method of manufacturing such a panel.

Des panneaux, destinés notamment à la réalisation de châssis, fenêtre ou porte, du type dont l'une des faces est revêtue d'un parement métallique, sont 15 déjà connus à ceux versés dans cet art.  Panels, particularly for the production of frames, windows or doors, of the type of which one side is coated with a metal facing, are already known to those skilled in the art.

Le procédé de fabrication le plus répandu pour la réalisation d'un tel panneau consiste à presser la feuille de parement métallique, telle qu'une feuille d'aluminium, dans un moule ou pièce de forme avant de l'appliquer contre 20 l'âme d'un panneau présentant une face pleine. L'inconvénient d'une telle solution réside dans le coût du moule et dans l'obtention de panneaux identiques aux décorations et aux dimensions figées, toute modification nécessitant une intervention sur le moule, pouvant aller jusqu'au remplacement du moule. 25 Un but de la présente invention est donc de proposer un panneau et un procédé de fabrication d'un tel panneau dont les conceptions permettent de s'affranchir d'outillages aux caractéristiques spécifiques tels qu'un moule ou un outil d'emboutissage. Un autre but de la présente invention est de proposer un panneau et un procédé de fabrication dudit panneau dont les conceptions permettent de faire varier les dimensions et les décorations du panneau dans une large plage sans engendrer d'investissement supplémentaire dans un outillage et sans augmenter le prix du panneau.  The most common manufacturing method for producing such a panel is to press the metal facing sheet, such as aluminum foil, into a mold or shaped piece before applying it against the core. a panel with a solid face. The disadvantage of such a solution lies in the cost of the mold and in obtaining panels identical to decorations and fixed dimensions, any modification requiring intervention on the mold, up to the replacement of the mold. An object of the present invention is therefore to provide a panel and a method of manufacturing such a panel whose designs make it possible to dispense with tools with specific characteristics such as a mold or a stamping tool. Another object of the present invention is to provide a panel and a manufacturing method of said panel whose designs allow to vary the dimensions and decorations of the panel in a wide range without generating additional investment in tools and without increasing the price of the panel.

Un autre but de la présente invention est de proposer un panneau dont la conception permet des réalisations diverses et variées tant en terme de décoration que de dimension, à savoir longueur, largeur et épaisseur dudit panneau.  Another object of the present invention is to provide a panel whose design allows various achievements and varied in terms of decoration and dimension, namely length, width and thickness of said panel.

A cet effet, l'invention a pour objet un panneau du type formé d'au moins une âme réalisée au moins partiellement en un matériau usinable et résistant à la pression, tel que du bois, une matière de synthèse ou autre, et dont au moins une face est revêtue d'un parement métallique mince, caractérisé en ce que la face de l'âme, destinée à être revêtue d'un parement métallique, est une face usinée pour former des moulures, reliefs ou autres motifs en creux ou en relief de décoration et en ce que le parement métallique épouse les motifs de la face is usinée de l'âme.  For this purpose, the subject of the invention is a panel of the type formed of at least one core made at least partially of a machinable material and resistant to pressure, such as wood, a synthetic material or the like, and at least one face is coated with a thin metal cladding, characterized in that the face of the core, intended to be coated with a metal cladding, is a face machined to form moldings, reliefs or other recessed patterns or relief of decoration and in that the metal cladding matches the motifs of the face is machined from the soul.

La réalisation d'un panneau à l'aide d'au moins un élément plan, de préférence en bois, formant âme dudit panneau et dont au moins l'une des faces est profilée par usinage de telle sorte que le parement métallique appliqué sur 20 ladite face vient épouser l'empreinte ainsi réalisée sur ladite face constitue une simplification en termes de réalisation par rapport aux techniques existantes et permet la réalisation de panneaux aux motifs et dimensions variés puisqu'il suffit de modifier le profil correspondant aux motifs usinés pour obtenir un nouveau panneau, cette opération pouvant s'opérer de manière très simple 25 notamment à partir de machines à usinage numérique.  The production of a panel using at least one planar element, preferably made of wood, forming the core of said panel and at least one of the faces of which is profiled by machining so that the metal facing applied on said face comes to marry the imprint thus produced on said face is a simplification in terms of implementation compared to existing techniques and allows the realization of panels of various patterns and dimensions since it is sufficient to modify the profile corresponding to the patterns machined to obtain a new panel, this operation can be done in a very simple way 25 including from digital machining machines.

L'invention a encore pour objet un procédé de fabrication d'un panneau du type précité, du type comportant au moins une étape d'usinage d'une face de l'âme pour former des moulures, reliefs et autres motifs en creux ou en relief de 30 décoration sur au moins une des faces de ladite âme, caractérisé en ce que l'étape d'usinage est suivie d'une étape de revêtement de la ou des faces usinées de l'âme d'un parement métallique mince au cours de laquelle on applique le parement métallique à la surface de la face usinée par pressage après encollage du parement et/ou de la face usinée. 2 3 L'invention sera bien comprise à la lecture de la description suivante d'exemples de réalisation, en référence aux dessins annexés dans lesquels :  The invention also relates to a method of manufacturing a panel of the aforementioned type, of the type comprising at least one step of machining a face of the core to form moldings, reliefs and other recessed patterns or decorative relief on at least one of the faces of said core, characterized in that the machining step is followed by a step of coating the machined face or faces of the core of a thin metal siding during of which the metal face is applied to the surface of the machined face by pressing after sizing the facing and / or the machined face. The invention will be better understood on reading the following description of exemplary embodiments, with reference to the appended drawings in which:

s la figure 1 représente une vue en coupe d'un panneau conforme à l'invention ;  FIG. 1 represents a sectional view of a panel according to the invention;

la figure 2 représente une vue de face d'un exemple de panneau sous forme d'une porte conforme à l'invention et la figure 3 représente une vue de face d'un autre mode de réalisation d'un panneau conforme à l'invention avec une moulure en creux "type plate bande".  FIG. 2 represents a front view of an example of a panel in the form of a door according to the invention and FIG. 3 represents a front view of another embodiment of a panel according to the invention. with a recessed molding "flat plate type".

15 Comme mentionné ci-dessus, le panneau 1, objet de l'invention, est destiné à permettre la réalisation de menuiseries diverses et variées telles que porte, châssis, fenêtre ou autre. Ce panneau 1 est formé, de manière en soi connue, d'une âme 2 réalisée au moins partiellement en un matériau usinable et résistant à la pression et dont au moins une face est revêtue d'un parement 4 20 métallique mince. Il doit être noté que par matériau résistant à la pression, on entend un matériau apte à subir une opération de pressage à l'intérieur d'une presse. L'âme 2 se présente généralement sous forme d'un élément plan, tel qu'une plaque monocouche ou multicouche à la manière d'un stratifié, chaque couche pouvant être mono ou multi-composants. Dans le cas d'une âme 25 multicouches, les couches peuvent être de même nature ou de nature différente. A titre d'exemple, l'âme 2 peut être réalisée en bois, en matière de synthèse par exemple sous forme d'une plaque de mousse rigidifiée ou autre.  As mentioned above, the panel 1, object of the invention, is intended to allow the realization of various and varied joinery such as door, frame, window or other. This panel 1 is formed in a manner known per se, a core 2 made at least partially of a machinable material and resistant to pressure and at least one side is coated with a thin metal siding. It should be noted that pressure resistant material means a material capable of undergoing a pressing operation inside a press. The core 2 is generally in the form of a planar element, such as a monolayer or multilayer plate in the manner of a laminate, each layer may be single or multi-component. In the case of a multilayer core, the layers may be of the same or different nature. For example, the core 2 can be made of wood, synthetic material for example in the form of a stiffened foam plate or other.

De manière caractéristique à l'invention, la face de l'âme 2 du panneau 1 30 destinée à être revêtue d'un parement 4 est profilée par usinage pour former des moulures, reliefs ou autres motifs 3 en creux ou en relief de décoration. L'usinage de l'âme 2 réalisé par enlèvement de matière à la surface d'au moins une des faces de l'âme peut être effectué par défonçage, découpe au jet d'eau, fraisage ou tout autre type d'outil apte à ménager des motifs 3 en creux sur au 10 4 moins l'une des faces de ladite âme 2. Cette face usinée est revêtue d'un parement 4 métallique mince qui épouse le profil, en particulier les motifs, de ladite face. Les inventeurs ont en effet remarqué que, de manière surprenante, un parement se présentant sous forme d'une feuille mince métallique pouvait, en dépit de sa résistance, se conformer aisément à une face profilée usinée, le résultat obtenu étant conforme aux attentes du fabricant, aucun pli et aucune découpe ou entaille n'étant constatés au niveau des motifs. Pour obtenir un résultat parfait, de préférence, ce parement 4 métallique se présente sous forme d'une feuille ou plaque d'aluminium ductile présentant une épaisseur au io plus égale à 0,8 mm. Ce parement 4 est appliqué à la surface de la face usinée de l'âme 2 et est déformé par pressage contre les motifs 3 de la face usinée de l'âme 2. Cette déformation par pressage peut s'opérer à froid ou à chaud. Lorsque le pressage s'opère à chaud, la température de pressage est comprise entre 70 C et 100 C et la durée de pressage comprise entre 4 et 8 minutes. 15 Cette opération de pressage peut être réalisée par exemple à l'aide d'une presse à membrane.  In a manner characteristic of the invention, the face of the core 2 of the panel 1 30 intended to be coated with a facing 4 is profiled by machining to form moldings, reliefs or other patterns 3 hollow or embossed decoration. The machining of the core 2 made by removing material from the surface of at least one of the faces of the core may be performed by ripping, cutting with water jet, milling or any other type of tool suitable for 3, at least one of the faces of said core 2. This machined face is coated with a thin metal cladding 4 which conforms to the profile, in particular the patterns, of said face. The inventors have indeed noticed that, surprisingly, a facing in the form of a metal foil could, in spite of its strength, easily conform to a machined profiled face, the result obtained being in accordance with the manufacturer's expectations. no creases and no cuts or cuts are noted at the pattern level. To obtain a perfect result, preferably, this metal facing 4 is in the form of a ductile sheet or aluminum plate having a thickness at most equal to 0.8 mm. This facing 4 is applied to the surface of the machined face of the core 2 and is deformed by pressing against the patterns 3 of the machined face of the core 2. This pressing deformation can be performed cold or hot. When the pressing is carried out hot, the pressing temperature is between 70 C and 100 C and the pressing time between 4 and 8 minutes. This pressing operation can be carried out for example by means of a membrane press.

Généralement, le parement 4 est maintenu appliqué contre la face usinée de l'âme 2 par collage. A cet effet, après usinage de l'âme 2, il convient d'encoller 20 la face usinée de l'âme 2 et/ou le parement 4 métallique puis d'appliquer sur ladite face la plaque d'aluminium découpée aux dimensions de l'âme 2 avant de placer l'ensemble sous presse. Le parement 4 peut être pré-peint ou laqué avant application par déformation contre la face usinée de l'âme 2. Cette solution est impossible dans les procédés de fabrication traditionnels où le 25 parement métallique est systématiquement peint ou laqué après déformation en raison des fortes sollicitations subies par le parement au cours de la déformation. Le parement 4 peut bien évidemment être également laqué après application contre la face usinée de l'âme 2. Il doit être noté que la colle utilisée, telle qu'une colle polyuréthane, permet de bloquer les variations 30 dimensionnelles du panneau liées aux variations de température. De la même manière, pour éviter des variations dimensionnelles, il est préférable que l'âme 2 de bois soit réalisée de manière telle qu'elle présente une épaisseur minimale avant usinage. Dans l'exemple représenté, l'âme 2 est réalisée à l'aide d'au moins un panneau de fibres de bois de moyenne densité, dit MDF, traité hydrofuge.  Generally, the facing 4 is kept pressed against the machined face of the core 2 by gluing. For this purpose, after machining the core 2, it is necessary to glue the machined face of the core 2 and / or the metal cladding 4 and then to apply on said face the aluminum plate cut to the dimensions of the core. soul 2 before placing the whole in press. The facing 4 may be pre-painted or lacquered before application by deformation against the machined face of the core 2. This solution is impossible in traditional manufacturing processes where the metal siding is systematically painted or lacquered after deformation because of the strong stresses suffered by the facing during the deformation. The facing 4 can of course also be lacquered after application against the machined face of the core 2. It should be noted that the glue used, such as a polyurethane glue, makes it possible to block the dimensional variations of the panel related to variations in temperature. In the same way, to avoid dimensional variations, it is preferable that the core 2 of wood is made so that it has a minimum thickness before machining. In the example shown, the core 2 is made using at least one panel of medium density wood fibers, called MDF, water-repellent treated.

Sur la base de ce procédé de fabrication, différents types de panneaux peuvent être réalisés. En effet, indépendamment du fait que l'âme 2 du panneau soit formée d'une couche unique ou d'un stratifié de couches, cette âme peut présenter deux faces usinées. Chaque face usinée est alors revêtue d'un parement 4, 5 mince qui épouse les motifs de la face usinée. L'un des parements, représenté en 4 aux figures, est un parement métallique tandis que l'autre parement 5 peut être choisi dans le groupe comprenant les parements io métalliques, les parements en matière de synthèse et les parements en bois, pour former indifféremment un panneau simple métal/métal ou mixte matière de synthèse/métal ou bois/métal.  On the basis of this manufacturing process, different types of panels can be made. Indeed, regardless of whether the core 2 of the panel is formed of a single layer or a laminate of layers, this core may have two machined faces. Each machined face is then coated with a thin facing 5, 5 which matches the patterns of the machined face. One of the facings, shown at 4 in the figures, is a metal facing while the other facing 5 may be chosen from the group comprising metal facings, synthetic facings and wood facings, to form indifferently a simple metal / metal panel or mixed synthetic material / metal or wood / metal.

Dans le cas d'un panneau mixte, le parement en matière de synthèse utilisé ls peut être constitué d'une feuille ou plaque de matière de synthèse, en particulier une feuille en PVC (polychlorure de vinyle extrudé). De la même manière, lorsqu'un parement bois est utilisé, il peut se présenter sous forme d'une feuille d'un placage de différentes essences.  In the case of a composite panel, the synthetic coating used may consist of a sheet or plate of synthetic material, in particular a sheet of PVC (extruded polyvinyl chloride). In the same way, when a wood veneer is used, it can be in the form of a leaf of a veneer of different species.

20 Ce procédé permet ainsi d'obtenir un panneau dont les faces sont identiques ou différentes. On constate que, de manière étonnante, le parement métallique épouse parfaitement le profil de la face usinée sans générer de découpes, d'entailles, de bossages, de plis ou autres défauts qui nuiraient à la réalisation dudit panneau. Au contraire, on observe que le parement métallique, en 25 particulier lorsqu'il est constitué d'une feuille d'aluminium ductile présentant une épaisseur au plus égale à 0,8 mm, se conforme parfaitement à la face usinée dudit panneau. 5  This method thus makes it possible to obtain a panel whose faces are identical or different. It is found that, surprisingly, the metal siding perfectly matches the profile of the machined face without generating cuts, nicks, bosses, folds or other defects that would interfere with the realization of said panel. On the contrary, it is observed that the metal facing, in particular when it consists of a ductile aluminum sheet having a thickness at most equal to 0.8 mm, conforms perfectly to the machined surface of said panel. 5

Claims (7)

REVENDICATIONS 1. Panneau (1) du type formé d'au moins une âme (2) réalisée au moins partiellement en un matériau usinable et résistant à la pression, tel que du bois, s une matière de synthèse ou autre, et dont au moins une face est revêtue d'un parement (4) métallique mince, caractérisé en ce que la face de l'âme (2), destinée à être revêtue d'un parement (4) métallique, est une face usinée pour former des moulures, reliefs ou autres motifs (3) en creux ou en relief de décoration et en ce que le lo parement (4) métallique épouse les motifs (3) de la face usinée de l'âme (2).  1. Panel (1) of the type formed by at least one core (2) made at least partially of a machinable and pressure-resistant material, such as wood, synthetic material or the like, and of which at least one face is coated with a thin metal cladding (4), characterized in that the face of the core (2), intended to be coated with a metal cladding (4), is a machined face to form moldings, reliefs or other motifs (3) in relief or decoration relief and in that the metal cladding (4) matches the patterns (3) of the machined face of the core (2). 2. Panneau (1) selon la revendication 1, caractérisé en ce que le parement (4) est déformé par pressage contre les motifs (3) de la face usinée de l'âme (2).  2. Panel (1) according to claim 1, characterized in that the facing (4) is deformed by pressing against the patterns (3) of the machined face of the core (2). 3. Panneau (1) selon l'une des revendications 1 et 2, caractérisé en ce que le parement (4) est une feuille d'aluminium ductile présentant une épaisseur au plus égale à 0,8 mm. 20  3. Panel (1) according to one of claims 1 and 2, characterized in that the cladding (4) is a ductile aluminum sheet having a thickness at most equal to 0.8 mm. 20 4. Panneau (1) selon l'une des revendications 1 à 3, caractérisé en ce que le parement (4) est pré-peint ou laqué avant application par déformation contre la face usinée de l'âme (2).  4. Panel (1) according to one of claims 1 to 3, characterized in that the facing (4) is pre-painted or lacquered before application by deformation against the machined face of the core (2). 5. Panneau (1) selon l'une des revendications 1 à 4, 25 caractérisé en ce que le parement (4) est maintenu appliqué contre la face usinée de l'âme (2) par collage.  5. Panel (1) according to one of claims 1 to 4, characterized in that the facing (4) is maintained pressed against the machined face of the core (2) by gluing. 6. Panneau (1) selon l'une des revendications 1 à 5, caractérisé en ce que l'âme (2) du panneau présente deux faces usinées, 30 chaque face usinée étant revêtue d'un parement (4, 5) mince qui épouse les motifs (3) de la face usinée, l'un (4) des parements (4, 5) étant un parement métallique tandis que l'autre parement (5) est choisi dans le groupe comprenant les parements métalliques, les parements en matière de synthèse et les parements en bois pour former indifféremment un panneau simple 6 15métal/métal ou mixte matière de synthèse/métal ou bois/métal.  6. Panel (1) according to one of claims 1 to 5, characterized in that the core (2) of the panel has two machined faces, each machined face being coated with a thin facing (4, 5) which marries the patterns (3) of the machined face, one (4) of the facings (4, 5) being a metal facing while the other facing (5) is selected from the group comprising the metal facings, the facings Synthetic material and wood siding to form indifferently a simple metal panel or metal or mixed synthetic material / metal or wood / metal. 7. Procédé de fabrication d'un panneau conforme à l'une des revendications 1 à 6, du type comportant au moins une étape d'usinage d'une face de l'âme (2) pour former des moulures, reliefs et autres motifs (3) en creux ou en relief de décoration sur au moins une des faces de ladite âme (2), caractérisé en ce que l'étape d'usinage est suivie d'une étape de revêtement de la ou des faces usinées de l'âme (2) d'un parement (4) métallique mince au cours de laquelle on applique le parement métallique à la surface de la face io usinée par pressage après encollage du parement et/ou de la face usinée.  7. A method of manufacturing a panel according to one of claims 1 to 6, of the type comprising at least one step of machining a face of the core (2) to form moldings, reliefs and other patterns (3) recessed or embossed decoration on at least one of the faces of said core (2), characterized in that the machining step is followed by a step of coating the machined face (s) of the core (2) of a thin metal cladding (4) during which the metal cladding is applied to the surface of the machined face by pressing after gluing the cladding and / or the machined face.
FR0600075A 2006-01-05 2006-01-05 PANEL OF THE TYPE FORMED OF A SOUL OF WHICH AT LEAST ONE FACE IS COATED WITH A THIN METAL PART AND METHOD OF MAKING SAME Expired - Fee Related FR2895697B1 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870594A (en) * 1971-08-16 1975-03-11 Yodogawa Steel Works Limited Laminated metal-based facing
FR2393678A1 (en) * 1977-06-08 1979-01-05 Retegui Rodolfo Furniture decoration to give effect of age - uses sheets of metal cut into panels, treated with acid and embossed
FR2454671A1 (en) * 1979-04-20 1980-11-14 Schimmel Pianofortefab HARMONY TABLE
EP0431574A2 (en) * 1989-12-07 1991-06-12 Yamaha Corporation Composite molded article and method for manufacturing the same
WO2001012015A1 (en) * 1999-08-15 2001-02-22 Liga Etz Ltd. Panels finished in laminate with decorative elevations and depressions extending in diverse orientations and a method for their production
US20030196744A1 (en) * 2002-04-23 2003-10-23 Philip Sicola Apparatus and method for laminating three-dimensional surfaces

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870594A (en) * 1971-08-16 1975-03-11 Yodogawa Steel Works Limited Laminated metal-based facing
FR2393678A1 (en) * 1977-06-08 1979-01-05 Retegui Rodolfo Furniture decoration to give effect of age - uses sheets of metal cut into panels, treated with acid and embossed
FR2454671A1 (en) * 1979-04-20 1980-11-14 Schimmel Pianofortefab HARMONY TABLE
EP0431574A2 (en) * 1989-12-07 1991-06-12 Yamaha Corporation Composite molded article and method for manufacturing the same
WO2001012015A1 (en) * 1999-08-15 2001-02-22 Liga Etz Ltd. Panels finished in laminate with decorative elevations and depressions extending in diverse orientations and a method for their production
US20030196744A1 (en) * 2002-04-23 2003-10-23 Philip Sicola Apparatus and method for laminating three-dimensional surfaces

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