FR2838078A1 - Composite wood and plastic material, especially for exterior use, has two timber-based layers and thick outer plastic covering layer - Google Patents

Composite wood and plastic material, especially for exterior use, has two timber-based layers and thick outer plastic covering layer Download PDF

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Publication number
FR2838078A1
FR2838078A1 FR0204183A FR0204183A FR2838078A1 FR 2838078 A1 FR2838078 A1 FR 2838078A1 FR 0204183 A FR0204183 A FR 0204183A FR 0204183 A FR0204183 A FR 0204183A FR 2838078 A1 FR2838078 A1 FR 2838078A1
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France
Prior art keywords
plaice
polyethylene
wood
coupling
timber
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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.)
Granted
Application number
FR0204183A
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French (fr)
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FR2838078B1 (en
Inventor
Gerard Prieur
Dominique Prieur
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PRIEUR ETS
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PRIEUR ETS
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
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Priority to FR0204183A priority Critical patent/FR2838078B1/en
Priority to FR0208183A priority patent/FR2838079B3/en
Priority to AU2003246762A priority patent/AU2003246762A1/en
Priority to ES03747134T priority patent/ES2328131T3/en
Priority to AT03747134T priority patent/ATE432163T1/en
Priority to DE60327757T priority patent/DE60327757D1/en
Priority to PCT/FR2003/001018 priority patent/WO2003091017A1/en
Priority to EP03747134A priority patent/EP1494856B1/en
Publication of FR2838078A1 publication Critical patent/FR2838078A1/en
Application granted granted Critical
Publication of FR2838078B1 publication Critical patent/FR2838078B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0056—Moistening
    • 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
    • B32B2317/00—Animal or vegetable based
    • B32B2317/16—Wood, e.g. woodboard, fibreboard, woodchips
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • 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
    • B32B2327/00—Polyvinylhalogenides
    • B32B2327/06—PVC, i.e. polyvinylchloride
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)

Abstract

The composite material consists of two timber-based layers (2, 3) that are glued together, and an outer covering layer (1) of a plastic material, fastened to the adjoining timber layer (2) by dovetail joints or adhesive. The thicknesses (e1, e2) of the plastic layer and adjoining timber based layer are between 15 and 25 mm, and preferably 19 mm, while the thickness of the other timber-based layer is 25 - 35 mm and preferably 30 mm.

Description

<Desc/Clms Page number 1> <Desc / Clms Page number 1>

L'invention concerne des carrelets composites à base de bois et tout produit de menuiserie fabriqué à partir d'un tel carrelet.  The invention relates to composite wood-based squares and any carpentry product made from such a square.

Le problème à résoudre concerne les menuiseries extérieures en bois et vise à résoudre les problèmes de dégradations et déformations résultants de l'humidité et des conditions d'ambiance.  The problem to be solved concerns exterior wooden joinery and aims to solve the problems of degradation and deformation resulting from humidity and ambient conditions.

Il est déjà connu, par exemple dans le document FR 2 521 484 de protéger un profilé en bois en le recouvrant par une feuille de protection en matériau plastique qui n'est pas considérée comme un pli en raison de son extrême finesse.  It is already known, for example in document FR 2 521 484, to protect a wooden profile by covering it with a protective sheet of plastic material which is not considered to be a fold because of its extreme finesse.

C'est généralement une feuille d'une épaisseur inférieure à 0. 1 mm voire à 0. 01 mm.  It is generally a sheet with a thickness less than 0.1 mm or even 0.01 mm.

Par ailleurs on sait réaliser des profilés mixtes par collage après usinage d'un profilé bois sur un profilé plastique.  Furthermore, it is known to make mixed profiles by gluing after machining a wooden profile on a plastic profile.

Par ailleurs le principe de fabrication de carrelets composites à plusieurs plis est connu en soi mais il n'est pas connu que l'un des plis soit en polyéthylène.  Furthermore, the principle of manufacturing composite squares with several plies is known per se, but it is not known that one of the plies is made of polyethylene.

L'idée inventive a consisté à aller à l'encontre des habitudes du métier et à chercher s'il était possible de réaliser un matériau à base de bois et de matériau plastique qui soit usinable directement avec des outils classiques à bois, et qui combine les avantages des deux matériaux.  The inventive idea consisted in going against the habits of the trade and to seek if it was possible to realize a material based on wood and plastic material which is machinable directly with traditional tools with wood, and which combines the advantages of both materials.

La demanderesse a trouvé une solution à ce problème en concevant un carrelet à plusieurs plis combinant les avantages des plis bois à ceux des plis en polyéthylène, versalit ou en PVC plein.  The Applicant has found a solution to this problem by designing a multi-ply plaice combining the advantages of wooden plies with those of polyethylene, versalit or full PVC plies.

La mise au point du procédé de fabrication d'un carrelet selon l'invention a nécessité de solutionner divers problèmes pour obtenir un produit final fiable et usinable.  The development of the process for manufacturing a plaice according to the invention required the solution of various problems in order to obtain a reliable and machinable end product.

Selon l'invention, le procédé d'obtention d'un carrelet multiplis composite utilisable en menuiserie, en particulier mais non limitativement pour la réalisation de menuiseries d'extérieur se caractérise en ce que - ledit carrelet est composé d'au moins un pli extérieur en matériau choisi dans l'ensemble (polyéthylène, versalit ou PVC), les autres plis étant des plis en essence de bois naturel, - avant leur collage les lames de bois sont préalablement portées à une hygrométrie de 8 %.  According to the invention, the method for obtaining a composite multilayer plaice usable in carpentry, in particular but not limited to the production of exterior carpentry is characterized in that - said plaice is composed of at least one outer ply in material chosen from the set (polyethylene, versalit or PVC), the other folds being folds in natural wood essence, - before their gluing, the wooden strips are previously brought to a humidity of 8%.

Le carrelet ainsi obtenu se caractérise en ce qu'il est composé d'au moins un pli extérieur en matériau choisi dans l'ensemble (polyéthylène, versalit, PVC), les autres plis étant des plis en essence de bois naturel.  The plaice thus obtained is characterized in that it is composed of at least one outer ply of material chosen from the assembly (polyethylene, versalit, PVC), the other plies being plies in essence of natural wood.

<Desc/Clms Page number 2> <Desc / Clms Page number 2>

Selon une variante, ledit carrelet comporte une couche de colle pour l'accouplement entre le bois et l'autre matériau.  According to a variant, said plaice comprises a layer of adhesive for coupling between the wood and the other material.

Selon une autre variante, ledit carrelet comporte un moyen d'accouplement en queue d'aronde entre le bois et l'autre matériau, par exemple la partie mâle de l'accouplement est prévue sur une face d'une lame de bois et la partie femelle sur une face de la lame polyéthylène.  According to another variant, said plaice comprises a dovetail coupling means between the wood and the other material, for example the male part of the coupling is provided on one face of a wooden blade and the part female on one side of the polyethylene blade.

On comprendra mieux l'invention à l'aide de la description ci-après faite en référence à la figure unique annexée qui est une vue en coupe transversale d'un carrelet selon l'invention.  The invention will be better understood using the description below made with reference to the single appended figure which is a cross-sectional view of a plaice according to the invention.

Un carrelet (4) tel que représenté est constitué par deux lames en essence de bois naturel (1,2) d'épaisseurs (e1 et e2), rendues solidaires par collage, et couplées à une lame de polyéthylène (3) d'épaisseur (e3).  A plaice (4) as shown consists of two blades of natural wood essence (1,2) of thicknesses (e1 and e2), made integral by gluing, and coupled to a polyethylene blade (3) of thickness (e3).

Avant leur collage les lames de bois sont préalablement portées à une hygrométrie de 8 % puis elles sont collées par une colle vynilique.  Before gluing, the wooden slats are brought to a humidity of 8% beforehand, then they are glued with vinyl adhesive.

La lame de polyéthylène ne subit aucune préparation particulière.  The polyethylene strip does not undergo any particular preparation.

L'accouplement de la lame polyéthylène sur l'une des faces du couple de lames en bois peut être réalisé par collage.  The polyethylene blade can be coupled to one of the faces of the pair of wooden blades by gluing.

De façon préférentielle, pour réaliser un accouplement fiable et stable tout en se libérant des exigences qu'impliquerait l'utilisation de colle, on réalise l'accouplement par un dispositif en queue d'aronde obtenu par usinage d'une face de la lame de polyéthylène pour la partie femelle et par usinage d'une face de l'ensemble bois pour la partie mâle.  Preferably, to achieve a reliable and stable coupling while being freed from the requirements that the use of glue would entail, coupling is carried out by a dovetail device obtained by machining one face of the blade. polyethylene for the female part and by machining one face of the wood assembly for the male part.

A titre d'exemple les lames peuvent présenter les épaisseurs suivantes : - pour (e1) et (e2): de 15 à 25 mm, préférentiellement 19 mm, - pour (e3) : de 25.à 35 mm, préférentiellement 30 mm.  By way of example, the blades can have the following thicknesses: - for (e1) and (e2): from 15 to 25 mm, preferably 19 mm, - for (e3): from 25. to 35 mm, preferably 30 mm.

En variante de réalisation, on peut remplacer la lame de polyéthylène par une lame de versalit de teinte bois ou lame de PVC blanc couplée aux lames de bois par collage.  As an alternative embodiment, the polyethylene blade can be replaced by a wood-tinted versalit blade or white PVC blade coupled to the wooden blades by gluing.

A titre d'exemple la lame de versalit ou PVC peut présenter une épaisseur de
15 mm et les lames de bois une épaisseur de 26. 5 mm. By way of example, the versalit or PVC blade may have a thickness of
15 mm and the wooden boards a thickness of 26. 5 mm.

Les carrelets et/ou les profilés selon l'invention peuvent être usinés (sciés, découpés...) au moyen d'outils d'usinage bois classiques pour fabriquer tout produit de menuiserie, notamment des menuiseries d'extérieur qui combinent les propriétés techniques et avantages des différents matériaux tout en permettant de placer une face étanche côté extérieur d'un bâtiment et face bois côté intérieur. The squares and / or profiles according to the invention can be machined (sawn, cut, etc.) using conventional woodworking tools to manufacture any carpentry product, in particular exterior carpentry which combines the technical properties and advantages of the different materials while allowing a watertight side to be placed on the outside of a building and a wood side on the inside.

Claims (9)

REVENDICATIONS 1. Carrelet multiplis composite utilisable en menuiserie, en particulier mais non limitativement pour la réalisation de menuiseries d'extérieur, caractérisé en ce qu'il est composé d'au moins un pli extérieur en matériau choisi dans l'ensemble (polyéthylène, versalit, PVC), les autres plis étant des plis en essence de bois naturel.  CLAIMS 1. Multiply composite plaice usable in carpentry, in particular but not limited to the realization of exterior joinery, characterized in that it is composed of at least one outer ply of material chosen from the whole (polyethylene, versalit , PVC), the other plies being plies of natural wood essence. 2. Carrelet selon la revendication 1, caractérisé en ce qu'il comporte une couche de celle pour l'accouplement entre le bois et l'autre matériau. 2. plaice according to claim 1, characterized in that it comprises a layer of that for the coupling between the wood and the other material. 3. Carrelet selon la revendication 1, caractérisé en ce qu'il comporte un moyen d'accouplement en queue d'aronde entre le bois et l'autre matériau. 3. plaice according to claim 1, characterized in that it comprises a dovetail coupling means between the wood and the other material. 4. Carrelet selon la revendication 3, caractérisé en ce que la partie mâle de l'accouplement est prévue sur une face d'une lame de bois et la partie femelle sur une face de la lame polyéthylène. 4. plaice according to claim 3, characterized in that the male part of the coupling is provided on one side of a wooden strip and the female part on one side of the polyethylene strip. 5. Carrelet selon l'une des revendications 1 à 4, caractérisé en ce qu'il comporte au moins deux lames en essence de bois naturel et une lame en polyéthylène. 5. plaice according to one of claims 1 to 4, characterized in that it comprises at least two blades of natural wood essence and a polyethylene blade. 6. Procédé d'obtention d'un carrelet multiplis composite utilisable en menuiserie, en particulier mais non limitativement pour la réalisation de menuiseries d'extérieur, caractérisé en ce que : - ledit carrelet (4) est composé d'au moins un pli extérieur (3) en matériau choisi dans l'ensemble (polyéthylène, versalit ou PVC), les autres plis (1,2) étant des plis en essence de bois naturel, - avant leur collage les lames de bois sont préalablement portées à une hygrométrie de 8 %. 6. Method for obtaining a composite multilayer plaice usable in carpentry, in particular but not limited to the production of exterior carpentry, characterized in that: - said plaice (4) is composed of at least one outer ply (3) of material chosen from the assembly (polyethylene, versalit or PVC), the other plies (1,2) being plies made of natural wood essence, - before their gluing, the wooden slats are previously brought to a hygrometry of 8%. 7. Procédé selon la revendication 6, caractérisé en ce que l'accouplement de la lame polyéthylène sur l'une des faces du couple de lames en bois peut être réalisé par collage.  7. Method according to claim 6, characterized in that the coupling of the polyethylene blade on one of the faces of the pair of wooden blades can be achieved by gluing. 8. Procédé selon la revendication 6, caractérisé en ce que on réalise l'accouplement par un dispositif en queue d'aronde obtenu par usinage d'une face de la lame de polyéthylène pour la partie femelle et par usinage d'une face de l'ensemble bois pour la partie mâle.  8. Method according to claim 6, characterized in that the coupling is carried out by a dovetail device obtained by machining one side of the polyethylene strip for the female part and by machining one side of the wood set for the male part. 9. Produit de menuiserie, par exemple pour la réalisation de menuiseries extérieures, caractérisé en ce qu'il est fabriqué par usinage d'un carrelet selon l'une des revendications 1 à 5. 9. Carpentry product, for example for the production of exterior joinery, characterized in that it is manufactured by machining a plaice according to one of claims 1 to 5.
FR0204183A 2002-04-04 2002-04-04 WOOD-BASED COMPOSITE SQUARES MACHINABLE WITH CLASSIC WOOD MACHINING TOOLS AND MANUFACTURING METHOD THEREOF Expired - Fee Related FR2838078B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR0204183A FR2838078B1 (en) 2002-04-04 2002-04-04 WOOD-BASED COMPOSITE SQUARES MACHINABLE WITH CLASSIC WOOD MACHINING TOOLS AND MANUFACTURING METHOD THEREOF
FR0208183A FR2838079B3 (en) 2002-04-04 2002-07-01 COMPOSITE WOOD-BASED COMPOSITE TILES USING CLASSIC WOOD-MACHINING TOOLS AND METHOD FOR MANUFACTURING THE SAME
ES03747134T ES2328131T3 (en) 2002-04-04 2003-04-02 MECHANIZABLE WOOD BASED COMPOSITE SQUARE AND PROCEDURE FOR MANUFACTURING.
AT03747134T ATE432163T1 (en) 2002-04-04 2003-04-02 COMPOSITE WOOD PROFILE BASED ON MACHINABLE WOOD AND PRODUCTION METHOD THEREOF
AU2003246762A AU2003246762A1 (en) 2002-04-04 2003-04-02 Composite wooden section based on machinable wood and method for making same
DE60327757T DE60327757D1 (en) 2002-04-04 2003-04-02 AND WOOD PROFILE AND MANUFACTURING METHOD THEREFOR
PCT/FR2003/001018 WO2003091017A1 (en) 2002-04-04 2003-04-02 Composite wooden section based on machinable wood and method for making same
EP03747134A EP1494856B1 (en) 2002-04-04 2003-04-02 Composite wooden section based on machinable wood and method for making same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0204183A FR2838078B1 (en) 2002-04-04 2002-04-04 WOOD-BASED COMPOSITE SQUARES MACHINABLE WITH CLASSIC WOOD MACHINING TOOLS AND MANUFACTURING METHOD THEREOF

Publications (2)

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FR2838078A1 true FR2838078A1 (en) 2003-10-10
FR2838078B1 FR2838078B1 (en) 2004-07-02

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FR0204183A Expired - Fee Related FR2838078B1 (en) 2002-04-04 2002-04-04 WOOD-BASED COMPOSITE SQUARES MACHINABLE WITH CLASSIC WOOD MACHINING TOOLS AND MANUFACTURING METHOD THEREOF

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1526330A (en) * 1967-04-10 1968-05-24 G Convert Ets Bonding process of polyolefin sheets, films or objects on different supports
CA931486A (en) * 1970-07-17 1973-08-07 H. Dawes David Polyolefin-coated panel
GB1448661A (en) * 1974-01-08 1976-09-08 Du Pont Canada Composite structures comprising a substantially inflexible substrate coated with a thermoplastic material
FR2521484A1 (en) * 1982-02-17 1983-08-19 Alkor Gmbh COATED WOOD MATERIAL AND PROCESS FOR PRODUCING THE SAME
US4767667A (en) * 1985-08-24 1988-08-30 Alkor Gmbh Kunststoffe Furniture laminate sheet or web
US5439749A (en) * 1994-08-18 1995-08-08 Andersen Corporation Composite wood structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1526330A (en) * 1967-04-10 1968-05-24 G Convert Ets Bonding process of polyolefin sheets, films or objects on different supports
CA931486A (en) * 1970-07-17 1973-08-07 H. Dawes David Polyolefin-coated panel
GB1448661A (en) * 1974-01-08 1976-09-08 Du Pont Canada Composite structures comprising a substantially inflexible substrate coated with a thermoplastic material
FR2521484A1 (en) * 1982-02-17 1983-08-19 Alkor Gmbh COATED WOOD MATERIAL AND PROCESS FOR PRODUCING THE SAME
US4767667A (en) * 1985-08-24 1988-08-30 Alkor Gmbh Kunststoffe Furniture laminate sheet or web
US5439749A (en) * 1994-08-18 1995-08-08 Andersen Corporation Composite wood structure

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