EP1157796A1 - Apparatus for manufacturing wood sheets - Google Patents

Apparatus for manufacturing wood sheets Download PDF

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Publication number
EP1157796A1
EP1157796A1 EP01490018A EP01490018A EP1157796A1 EP 1157796 A1 EP1157796 A1 EP 1157796A1 EP 01490018 A EP01490018 A EP 01490018A EP 01490018 A EP01490018 A EP 01490018A EP 1157796 A1 EP1157796 A1 EP 1157796A1
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Prior art keywords
wood
sheets
ball
cutting
sheet
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EP01490018A
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German (de)
French (fr)
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EP1157796B1 (en
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Thierry Simon
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/043—Ornamental plaques, e.g. decorative panels, decorative veneers containing wooden elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L5/00—Manufacture of veneer ; Preparatory processing therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L5/00—Manufacture of veneer ; Preparatory processing therefor
    • B27L5/004—Cutting strips from a conical surface

Definitions

  • the invention relates to a method for manufacturing sheets of natural wood as well as natural wood sheets obtained by such a process, a decorative and / or utility article comprising such sheets of wood and the application of such sheets of wood and / or such articles to certain fabrications.
  • wood sheets according to the invention may be used more generally.
  • logs Currently, in the field of woodworking, it is known to use tree trunks, removing their ends and their bark to form pieces of wood, called logs.
  • the purpose of the present invention is to provide a method of manufacture of natural wood sheets which overcomes the aforementioned drawbacks and makes it possible to manufacture products with an indefinitely renewed decorative aspect, while limiting production costs.
  • Another object of the present invention is to provide a process for manufacturing natural wood sheets which limits the scrap and wasted raw materials.
  • Another object of the present invention is to provide a process for manufacturing natural wood sheets which optimizes the personnel and equipment employed.
  • the invention relates firstly to a method of manufacturing natural wood sheets.
  • a wooden ball 1 is provided, obtained from a tree trunk, with 2 wood defects, on the surface or even at its core.
  • wood species desired can be used. We could use, for example, birch, hornbeam, chestnut, oak, cypress, maple, fig, ash, beech, hackberry, hazel, walnut, olive, orne, poplar, pine, apple, fir, willow, mountain ash, lime tree or others.
  • said sheets 3 are cut from said ball 1 while retaining said faults 2.
  • the faultless parts 4 of the ball 1 of its faulty parts 5 It is thus possible obtain simultaneously, in the faultless parts 4, sheets of wood available for known applications such as plating, and, in parts with defect 5, sheets of wood available for new applications.
  • said separation prior to cutting said sheets 3 in particular by separating said balls into three parts, a central and two extremals, the defects generally being located in the extreme parts of the balls, then by cutting said end portions.
  • said cuts are cut. sheets of wood in ball 1 kept whole and, if necessary, separated the faultless parts of the faulty parts.
  • the cutting is carried out, by example, by slicing, that is to say, by cutting the ball 1 in planes parallel to the longitudinal axis of said ball 1, along the arrow marked 6.
  • FIG. 3 we performs the cut by unwinding, that is to say, by rotating the ball 1 around its longitudinal axis, according to the arrow marked 7.
  • the cutting means used for said peeling operation can possibly be tilted relative to the longitudinal axis of said balls. It will thus be possible to obtain sheets of wood having a substantially conical shape and / or frustoconical, particularly advantageous for making lampshades.
  • the cutting operations are carried out, possibly, on the back, that is to say on balls 1 previously cut radially, for example, in four parts.
  • said ball 1 Before cutting, said ball 1 can be hardened.
  • said sheets of wood 3 are, in particular, flattened, dried, cut and / or stacked. Their transportation will be ease.
  • trimming its role will be to equalize the edges of each sheet and not, as was the case in the previously known processes, to systematically eliminate the defects of the remaining wood.
  • the invention also relates to the natural wood sheets obtained according to the method described above. They may have a thickness, for example, of 5 to 10 tenths of a millimeter, in particular depending on the species of wood, for example 5/10 th , 6/10 th or 7/10 th of a millimeter.
  • the invention also relates to a decorative and / or utility article. made of such a sheet of wood and a sheet of attached support material on one of its faces. It could be, for example, a sheet of materials synthetic materials, such as, in particular, polyphane, fabrics or other materials. Said sheet is optionally transparent or translucent.
  • the invention also relates to an application of such sheets of wood and / or such articles in the manufacture of light screens. He will be able to be lampshades. Said sheets of wood may also be associated with a glass support behind which it will be possible to have a source luminous so as to constitute a decorative lamp.
  • said sheets of wood and / or said items are used as is. We can thus use their flexibility and transparency.

Abstract

The manufacturing process of sheets of natural wood comprises providing a wood billet (1) obtained from a tree trunk having wood flaws (2). Sheets (3) are cut in the billet while retaining the flaws.

Description

L'invention concerne un procédé de fabrication de feuilles de bois naturel ainsi que des feuilles de bois naturel obtenues par un tel procédé, un article décoratif et/ou utilitaire comprenant de telles feuilles de bois et l'application de telles feuilles de bois et/ou de tels articles à certaines fabrications.The invention relates to a method for manufacturing sheets of natural wood as well as natural wood sheets obtained by such a process, a decorative and / or utility article comprising such sheets of wood and the application of such sheets of wood and / or such articles to certain fabrications.

Toutefois, bien que plus particulièrement prévues pour de telles applications, les feuilles de bois conformes à l'invention pourront être utilisées de manière plus générale.However, although more specifically intended for such applications, the wood sheets according to the invention may be used more generally.

Actuellement, dans le domaine du travail du bois, il est connu d'employer des troncs d'arbres en les débarrassant de leurs extrémités et de leurs écorces pour constituer des pièces de bois, appelées billes.Currently, in the field of woodworking, it is known to use tree trunks, removing their ends and their bark to form pieces of wood, called logs.

On procède ensuite à la séparation des parties présentant des défauts du bois et on découpe les parties restantes en minces feuilles pour les applications souhaitées.We then proceed to separate the parts with wood defects and cut the remaining parts into thin sheets for desired applications.

On constate que de telles solutions génèrent une grande quantité de chutes induisant un faible rendement de matière. En outre, les décors obtenus grâce au veinage du bois restent peu variés.We find that such solutions generate a large quantity of falls inducing a low yield of material. In addition, decorations obtained thanks to the grain of the wood remain little varied.

Des solutions pour l'utilisation des chutes ont déjà été proposées. Il s'agit soit de les employer comme matériaux de chauffage, soit de les transformer en produits présentant une valeur ajoutée supérieure mais qui nécessitent alors du personnel et du matériel supplémentaires. Le coût de revient de l'ensemble des opérations est ainsi élevé.Solutions for the use of falls have already been proposed. Either use them as heating material or transform them into products with higher added value but which then require additional staff and equipment. The cost of returns from all operations is thus high.

Le but de la présente invention est de proposer un procédé de fabrication de feuilles de bois naturel qui pallie les inconvénients précités et permet de fabriquer des produits à l'aspect décoratif indéfiniment renouvelé, tout en limitant les coûts de production.The purpose of the present invention is to provide a method of manufacture of natural wood sheets which overcomes the aforementioned drawbacks and makes it possible to manufacture products with an indefinitely renewed decorative aspect, while limiting production costs.

Un autre but de la présente invention est de proposer un procédé de fabrication de feuilles de bois naturel qui permet de limiter les chutes et les gaspillages de matières premières.Another object of the present invention is to provide a process for manufacturing natural wood sheets which limits the scrap and wasted raw materials.

Un autre but de la présente invention est de proposer un procédé de fabrication de feuilles de bois naturel qui permet d'optimiser le personnel et le matériel employés.Another object of the present invention is to provide a process for manufacturing natural wood sheets which optimizes the personnel and equipment employed.

D'autres buts et avantages de l'invention apparaítront au cours de la description qui va suivre qui n'est donnée qu'à titre indicatif et qui n'a pas pour but de la limiter.Other objects and advantages of the invention will become apparent during of the description which follows which is given for information only and which has not to limit it.

L'invention concerne un procédé de fabrication de feuilles de bois naturel dans lequel :

  • on prévoit une bille de bois, obtenue à partir d'un tronc d'arbre, présentant des défauts du bois de manière apparente,
  • on découpe lesdites feuilles dans ladite bille en conservant lesdits défauts.
The invention relates to a process for manufacturing natural wood sheets in which:
  • a log of wood is obtained, obtained from a tree trunk, with apparent wood defects,
  • said sheets are cut from said ball while keeping said defects.

L'invention concerne également :

  • des feuilles de bois naturel obtenues par un tel procédé,
  • un article décoratif et/ou utilitaire constitué d'une telle feuille de bois et d'une feuille de matériau support fixée sur l'une des faces de ladite feuille de bois,
  • l'application desdites feuilles de bois à la fabrication d'écrans à la lumière ou de matériaux d'emballage.
The invention also relates to:
  • natural wood sheets obtained by such a process,
  • a decorative and / or utility article consisting of such a sheet of wood and of a sheet of support material fixed to one of the faces of said sheet of wood,
  • the application of said sheets of wood to the manufacture of light screens or packaging materials.

L'invention sera mieux comprise à la lecture de la description suivante, accompagnée des dessins en annexe qui en font partie intégrante et parmi lesquels :

  • la figure 1 décrit, en perspective, un exemple de billes de bois utilisées dans le procédé de fabrication conforme à l'invention,
  • la figure 2 illustre en vue de face un premier exemple de mise en oeuvre du procédé conforme à l'invention,
  • la figure 3 illustre en vue de face un autre exemple de mise en oeuvre du procédé conforme à l'invention.
The invention will be better understood on reading the following description, accompanied by the appended drawings which form an integral part thereof and among which:
  • FIG. 1 describes, in perspective, an example of wooden logs used in the manufacturing process according to the invention,
  • FIG. 2 illustrates in front view a first example of implementation of the method according to the invention,
  • Figure 3 illustrates in front view another example of implementation of the method according to the invention.

L'invention concerne tout d'abord un procédé de fabrication de feuilles de bois naturel.The invention relates firstly to a method of manufacturing natural wood sheets.

Comme illustré aux différentes figures, selon le procédé conforme à l'invention, on prévoit une bille de bois 1, obtenue à partir d'un tronc d'arbre, présentant des défauts 2 du bois, en surface ou même à coeur. As illustrated in the different figures, according to the process according to the invention, a wooden ball 1 is provided, obtained from a tree trunk, with 2 wood defects, on the surface or even at its core.

Toutes les essences de bois voulues pourront être utilisées. On pourra employer, par exemple, du bouleau, du charme, du châtaignier, du chêne, du cyprès, de l'érable, du figuier, du frêne, du hêtre, du micocoulier, du noisetier, du noyer, de l'olivier, de l'orne, du peuplier, du pin, du pommier, du sapin, du saule, du sorbier, du tilleul ou autres.All the wood species desired can be used. We could use, for example, birch, hornbeam, chestnut, oak, cypress, maple, fig, ash, beech, hackberry, hazel, walnut, olive, orne, poplar, pine, apple, fir, willow, mountain ash, lime tree or others.

Quant aux défauts, il pourra s'agir aussi bien, par exemple, d'altérations dans le veinage et/ou la coloration du bois ou de marques telles que celles connues de l'homme du métier sous le nom de lunure, roulure, gélivure, piqûre, gerce, gale, cannelure ou autres.As for faults, it could be as well, for example, alterations in the grain and / or coloring of the wood or marks such than those known to a person skilled in the art under the name of lunure, roulure, frostbite, sting, crack, scab, groove or others.

Selon l'invention, on découpe lesdites feuilles 3 dans ladite bille 1 en conservant lesdits défauts 2.According to the invention, said sheets 3 are cut from said ball 1 while retaining said faults 2.

On peut ainsi obtenir des décors indéfiniment renouvelés, grâce aux défauts du bois, ceci au sein du même processus. En outre, on limite la quantité de chutes produites.We can thus obtain indefinitely renewed decorations, thanks to the defects of the wood, this within the same process. In addition, we limits the amount of scrap produced.

Selon un mode de réalisation avantageux, on séparera les parties sans défaut 4 de la bille 1 de ses parties avec défaut 5. On peut ainsi obtenir simultanément, dans les parties sans défaut 4, des feuilles de bois disponibles pour les applications connues telles que le placage, et, dans les parties avec défaut 5, des feuilles de bois disponibles pour de nouvelles applications.According to an advantageous embodiment, the faultless parts 4 of the ball 1 of its faulty parts 5. It is thus possible obtain simultaneously, in the faultless parts 4, sheets of wood available for known applications such as plating, and, in parts with defect 5, sheets of wood available for new applications.

Selon un premier mode de réalisation, on effectue ladite séparation préalablement à la découpe desdites feuilles 3 notamment en séparant lesdites billes en trois parties, une centrale et deux extrémales, les défauts étant généralement situés dans les parties extrémales des billes, puis en découpant lesdites parties extrémales.According to a first embodiment, said separation prior to cutting said sheets 3 in particular by separating said balls into three parts, a central and two extremals, the defects generally being located in the extreme parts of the balls, then by cutting said end portions.

Selon un autre mode de réalisation, on découpe lesdites feuilles de bois dans la bille 1 conservée entière et, éventuellement, on sépare les parties sans défaut des parties avec défaut.According to another embodiment, said cuts are cut. sheets of wood in ball 1 kept whole and, if necessary, separated the faultless parts of the faulty parts.

Comme illustré à la figure 2, on réalise la découpe, par exemple, par tranchage, c'est-à-dire, par découpage de la bille 1 dans des plans parallèles à l'axe longitudinal de ladite bille 1, selon la flèche repérée 6. As illustrated in FIG. 2, the cutting is carried out, by example, by slicing, that is to say, by cutting the ball 1 in planes parallel to the longitudinal axis of said ball 1, along the arrow marked 6.

Selon un autre mode de réalisation, illustré à la figure 3, on réalise la découpe par déroulage, c'est-à-dire, en faisant pivoter la bille 1 autour de son axe longitudinal, selon la flèche repérée 7.According to another embodiment, illustrated in FIG. 3, we performs the cut by unwinding, that is to say, by rotating the ball 1 around its longitudinal axis, according to the arrow marked 7.

A ce sujet, les moyens de coupe employés pour ladite opération de déroulage pourront éventuellement être orientés de façon inclinée par rapport à l'axe longitudinal desdites billes. Il sera ainsi possible d'obtenir des feuilles de bois présentant une forme sensiblement conique et/ou tronconique, notamment avantageuse pour la confection d'abat-jour.In this regard, the cutting means used for said peeling operation can possibly be tilted relative to the longitudinal axis of said balls. It will thus be possible to obtain sheets of wood having a substantially conical shape and / or frustoconical, particularly advantageous for making lampshades.

Les opérations de découpe sont effectuées, éventuellement, sur dosse, c'est-à-dire sur des billes 1 préalablement découpée radialement, par exemple, en quatre parties.The cutting operations are carried out, possibly, on the back, that is to say on balls 1 previously cut radially, for example, in four parts.

Plus largement, on pourra entendre par « découpage » toutes opérations de sciage ou autres.More broadly, we can hear by "cutting" all sawing or other operations.

Avant découpage, ladite bille 1 pourra être trempée.Before cutting, said ball 1 can be hardened.

Après découpage, lesdites feuilles de bois 3 sont, notamment, mises à plat, séchées, massicotées et/ou empilées. Leur transport sera ainsi facilité.After cutting, said sheets of wood 3 are, in particular, flattened, dried, cut and / or stacked. Their transportation will be ease.

Pour ce qui est du massicotage, son rôle sera d'égaliser les bords de chacune des feuilles et non, comme cela était le cas dans les procédés antérieurement connus, de systématiquement éliminer les défauts du bois restant.With regard to trimming, its role will be to equalize the edges of each sheet and not, as was the case in the previously known processes, to systematically eliminate the defects of the remaining wood.

L'invention concerne également les feuilles de bois naturel obtenues selon le procédé décrit plus haut. Elles pourront présenter une épaisseur, par exemple, de 5 à 10 dixièmes de millimètres, notamment en fonction des essences de bois, par exemple 5/10ème, 6/10ème ou 7/10ème de millimètres.The invention also relates to the natural wood sheets obtained according to the method described above. They may have a thickness, for example, of 5 to 10 tenths of a millimeter, in particular depending on the species of wood, for example 5/10 th , 6/10 th or 7/10 th of a millimeter.

L'invention concerne encore un article décoratif et/ou utilitaire constitué d'une telle feuille de bois et d'une feuille de matériau support fixée sur l'une de ses faces. Il pourra s'agir, par exemple, d'une feuille de matériaux synthétiques, tels que, notamment, polyphane, de tissus ou autres matières. Ladite feuille est éventuellement transparente ou translucide. The invention also relates to a decorative and / or utility article. made of such a sheet of wood and a sheet of attached support material on one of its faces. It could be, for example, a sheet of materials synthetic materials, such as, in particular, polyphane, fabrics or other materials. Said sheet is optionally transparent or translucent.

L'invention concerne aussi une application de telles feuilles de bois et/ou de tels articles à la fabrication d'écrans à la lumière. Il pourra ainsi s'agir d'abat-jour. Lesdites feuilles de bois pourront encore être associées à un support en verre derrière lequel il sera possible de disposer une source lumineuse de façon à constituer une lampe décorative.The invention also relates to an application of such sheets of wood and / or such articles in the manufacture of light screens. He will be able to be lampshades. Said sheets of wood may also be associated with a glass support behind which it will be possible to have a source luminous so as to constitute a decorative lamp.

D'autres applications pourront encore être envisagés tels que des matériaux d'emballages, notamment pour compositions florales.Other applications could also be envisaged such as packaging materials, especially for flower arrangements.

Selon de telles applications, lesdites feuilles de bois et/ou lesdits articles sont utilisées, tels quels. On peut ainsi se servir de leur souplesse et de leur transparence.According to such applications, said sheets of wood and / or said items are used as is. We can thus use their flexibility and transparency.

Naturellement, d'autres modes de mise en oeuvre, à la portée de l'homme de l'art, auraient pu être envisagés sans pour autant sortir du cadre de l'invention.Naturally, other modes of implementation, within reach skilled in the art, could have been envisaged without departing from the part of the invention.

Claims (12)

Procédé de fabrication de feuilles de bois naturel dans lequel : on prévoit une bille de bois (1), obtenue à partir d'un tronc d'arbre, présentant des défauts du bois (2) de manière apparente, on découpe lesdites feuilles (3) dans ladite bille (1) en conservant lesdits défauts (2). Method for manufacturing natural wood sheets in which: a wooden ball (1) is obtained, obtained from a tree trunk, showing wood defects (2) in an apparent manner, said sheets (3) are cut from said ball (1) while preserving said defects (2). Procédé selon la revendication 1, dans lequel on sépare les parties (4) sans défaut de la bille de ses parties (5) avec défaut, préalablement à la découpe desdites feuilles (3).Process according to claim 1, in which the parts (4) without defect of the ball of its parts (5) with defect, previously cutting said sheets (3). Procédé selon la revendication 1, dans lequel on découpe lesdites feuilles de bois (3) dans la bille (1) conservée entière.Method according to claim 1, in which one cuts said sheets of wood (3) in the ball (1) kept whole. Procédé selon la revendication 1, dans lequel on réalise la découpe par tranchage.Method according to claim 1, in which the cutting by slicing. Procédé selon la revendication 1, dans lequel on réalise la découpe par déroulage.Method according to claim 1, in which the cutting by peeling. Procédé selon la revendication 5 dans lequel, ladite bille étant entraínée en rotation autour de son axe longitudinal, on effectue le déroulage de celle-ci à l'aide de moyens de coupe orientés de façon inclinée par rapport audit axe longitudinal de la bille.The method of claim 5 wherein said ball being rotated about its longitudinal axis, we perform the unwinding thereof using cutting means tilted in an inclined manner with respect to said longitudinal axis of the ball. Procédé selon la revendication 1, dans lequel ladite bille (1) est trempée avant découpage.The method of claim 1, wherein said ball (1) is soaked before cutting. Procédé selon la revendication 1, dans lequel lesdites feuilles de bois, après découpage, sont mises à plat, séchées, massicotées et/ou empilées.The method of claim 1, wherein said wood sheets, after cutting, are laid flat, dried, cut and / or stacked. Feuille de bois naturel obtenue selon le procédé de fabrication de la revendication 1.Natural wood sheet obtained by the process of manufacture of claim 1. Article décoratif et/ou utilitaire constitué d'une feuille de bois selon la revendication 9 et d'une feuille de matériau support fixée sur l'une des faces de ladite feuille de bois.Decorative and / or utility item made of a sheet of wood according to claim 9 and a sheet of support material attached to one faces of said sheet of wood. Application des feuilles de bois selon la revendication 9 et/ou de l'article selon la revendication 10 à la fabrication d'écrans à la lumière.Application of the wood sheets according to claim 9 and / or the article according to claim 10 for the manufacture of light screens. Application des feuilles de bois selon la revendication 9 et/ou de l'article selon la revendication 10 à la fabrication de matériaux d'emballage.Application of the wood sheets according to claim 9 and / or the article according to claim 10 in the manufacture of materials packing.
EP01490018A 2000-05-25 2001-05-25 Apparatus for manufacturing wood sheets Expired - Lifetime EP1157796B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0006685 2000-05-25
FR0006685A FR2809342B1 (en) 2000-05-25 2000-05-25 PROCESS FOR PRODUCING NATURAL WOOD SHEETS

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EP1157796A1 true EP1157796A1 (en) 2001-11-28
EP1157796B1 EP1157796B1 (en) 2008-10-01

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EP (1) EP1157796B1 (en)
AT (1) ATE409556T1 (en)
DE (1) DE60135951D1 (en)
ES (1) ES2315265T3 (en)
FR (1) FR2809342B1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR667082A (en) * 1928-01-06 1929-10-12 Process for cutting veneer wood and veneer sheet
CH173818A (en) * 1933-06-29 1934-12-15 Rudolf Dr Ludwig Method of manufacturing plywood panels.
US4565597A (en) * 1982-05-06 1986-01-21 Blomberger Holzindustrie, B. Hausmann Gmbh & Co, Kg Method for producing a veneer web
US4657789A (en) * 1985-10-15 1987-04-14 Nilsson Lars Method for the production of a veneer
US5605765A (en) * 1994-12-06 1997-02-25 Magma Industries (Ilum) Ltd. Decorative composite article and method of making a decorative pattern
US5881786A (en) * 1997-06-10 1999-03-16 Weyerhaeuser Company Method of producing wood strips for conversion into composite lumber products

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR667082A (en) * 1928-01-06 1929-10-12 Process for cutting veneer wood and veneer sheet
CH173818A (en) * 1933-06-29 1934-12-15 Rudolf Dr Ludwig Method of manufacturing plywood panels.
US4565597A (en) * 1982-05-06 1986-01-21 Blomberger Holzindustrie, B. Hausmann Gmbh & Co, Kg Method for producing a veneer web
US4657789A (en) * 1985-10-15 1987-04-14 Nilsson Lars Method for the production of a veneer
US5605765A (en) * 1994-12-06 1997-02-25 Magma Industries (Ilum) Ltd. Decorative composite article and method of making a decorative pattern
US5881786A (en) * 1997-06-10 1999-03-16 Weyerhaeuser Company Method of producing wood strips for conversion into composite lumber products

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KOLLMAN, ET AL: "Principles of Wood Science and Technology II Wood Based Materials", 1975, SPRINGER- VERLAG, BERLIN HEIDELBERG NEW YORK, XP002157231 *

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ES2315265T3 (en) 2009-04-01
EP1157796B1 (en) 2008-10-01
DE60135951D1 (en) 2008-11-13
FR2809342A1 (en) 2001-11-30
ATE409556T1 (en) 2008-10-15
FR2809342B1 (en) 2002-09-06

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