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EP1721715B1 - Plaque composite en bois, procédé et appareil pour la fabrication de la plaque - Google Patents

Plaque composite en bois, procédé et appareil pour la fabrication de la plaque Download PDF

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Publication number
EP1721715B1
EP1721715B1 EP06007021A EP06007021A EP1721715B1 EP 1721715 B1 EP1721715 B1 EP 1721715B1 EP 06007021 A EP06007021 A EP 06007021A EP 06007021 A EP06007021 A EP 06007021A EP 1721715 B1 EP1721715 B1 EP 1721715B1
Authority
EP
European Patent Office
Prior art keywords
layer
support
wood
osb panel
wood chips
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.)
Not-in-force
Application number
EP06007021A
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German (de)
English (en)
Other versions
EP1721715A1 (fr
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.)
Kronotec AG
Original Assignee
Kronotec AG
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 Kronotec AG filed Critical Kronotec AG
Priority to PL06007021T priority Critical patent/PL1721715T3/pl
Publication of EP1721715A1 publication Critical patent/EP1721715A1/fr
Application granted granted Critical
Publication of EP1721715B1 publication Critical patent/EP1721715B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/06—Making particle boards or fibreboards, with preformed covering layers, the particles or fibres being compressed with the layers to a board in one single pressing operation
    • 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
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B27N3/14—Distributing or orienting the particles or fibres

Definitions

  • the invention relates to a method for producing an OSB board, are sprinkled with the resin-coated wood chips in several layers to a chip or fiber cake and the wood chips are pressed together applying pressure and temperature.
  • the invention relates to an OSB board with an upper and a substantially parallel extending lower side of view and a device for producing an OSB board.
  • a method for producing a coated wood-based panel in which resin-coated wood chips are spread in several layers to a chip cake and the wood chips are arranged in the first layer and in the last layer substantially in alignment.
  • OSB boards, chipboard or MDF boards are used in special consolidation configuration for special purposes.
  • Wood-based panels in particular OSB panels are increasingly used for transport packaging high-quality industrial goods.
  • OSB panels are increasingly used for transport packaging high-quality industrial goods.
  • inhomogeneities within an OSB board are present due to the relatively large chip sizes, so that large variations of the resistance, in particular against punctiform loads, result, which limit the field of use of such OSB boards.
  • OSB boards are first separated into intermediate formats. Thereafter, the surfaces are ground on the upper and lower visible side and applied to the visible sides of one or more resin-impregnated paper layers, which are pressed under elevated temperature and under increased pressure to form a laminate.
  • the disadvantage of this is that the OSB boards must be separated, so that such wood-based panels are not produced in a continuous manufacturing process.
  • the sanding of the visible sides is disadvantageous, because on the one hand, the moisture resistance is reduced because the water-repellent Harzver Weg is abraded or reduced, and on the other hand, the flexural rigidity of the wood-based panels decreases because the edge layers have the highest density.
  • the US 4,569,873 describes a method for producing wood-based panels with veneer panels arranged on the outside.
  • a veneer board, a non-woven fabric or a synthetic resin layer may also be arranged for reinforcement.
  • a further support in the form of a coated paper can be arranged on the outer veneer panels.
  • a similar procedure for chipboard is from the US 3,790,417
  • this publication does not disclose the application of a further overlay to the outer overlay layer or the production of a wood-based panel in a continuous process.
  • the DE 197 46 383 A1 describes a method and an apparatus for the production of fiberboards as well as fibreboards produced by this method. On finished fibreboard coatings are pressed or glued under pressure and temperature supply. In this way, multilayer fiberboard are produced, the process steps are sequential.
  • the object of the invention is therefore to provide an OSB board, a method for producing an OSB board and an apparatus for producing an OSB board, with which the disadvantages of the prior art can be overcome and in particular OSB boards can be provided, their strength properties can be adjusted over a wide range during the manufacturing process.
  • the inventive method for producing an OSB board are sprinkled in the glued with resin wood chips in several layers to a chip cake and the wood chips are pressed together applying pressure and temperature, provides that between the layers of wood chips before pressing at least a sheet-like material insert, in particular a fleece, fabric, plastic or paper insert is introduced and pressed with the wood chips to an OSB board.
  • a sheet-like material insert in particular a fleece, fabric, plastic or paper insert is introduced and pressed with the wood chips to an OSB board.
  • a development of the method provides that placed under the first layer and / or on the last layer of the chipboard pad and the wood chips are pressed together with the support under pressure and temperature influence. This makes it possible to set the surface properties of an OSB board to the particular needs in addition to the introduction of an insert in the plate interior.
  • another edition can be applied, which is, for example, a structured fleece or a melamine-coated paper layer to structure or smooth the surface of an OSB board.
  • the pads or pads are preferably unwound from respective reels or reels to facilitate continuous production.
  • the materials may also be sequentially overlaid or scattered and then pressed sequentially to form an OSB board.
  • the OSB board according to the invention made of intersecting oriented wood planks provides between the visible sides a material insert arranged in the OSB board, which is designed in particular as a fleece, fabric, plastic or paper insert.
  • a material insert arranged in the OSB board, which is designed in particular as a fleece, fabric, plastic or paper insert.
  • this can be impregnated with an adhesive, in particular a resin glue, so that the wood chips enter into a very good, adhesive connection with the material insert.
  • an adhesive in particular a resin glue
  • a coating overlay which may comprise a paper ply or nonwoven ply and in one embodiment has a weight of at least 80 g / m 2 and a resin impregnation, the resin impregnation having a weight of at least 50 g / m 2 .
  • the paper or nonwoven layer can also have a glue layer and in adaptation to the respective purpose, for example, as a furniture panel, a directed to the visible side decor.
  • a second edition may be arranged, which represents a protection of the first edition, for example against mechanical stress or moisture.
  • the device according to the invention for producing an OSB board provides a first device for sprinkling a first layer of resin-coated wood chips and a device for laying at least one material deposit on the first wood chip layer. Furthermore, at least a second device for sprinkling at least one further wood chip layer on the material insert and a device for pressing the wood chip layers and the material deposit with each other under application of pressure and temperature to an OSB board is provided.
  • the devices for sprinkling the wood chips can be configured as scattering or pouring devices, which allow a controlled and continuous spreading of the wood chips with alignment of the chips perpendicular to one and in the direction of a conveying direction,
  • the means for pressing the wood chips layers with the insert and possibly the Pads is preferably as a continuous belt press, in particular double belt press trains, which has heated pressure belts, so that a continuous production of OSB board with deposits, if necessary, with conditions is possible.
  • a development of the invention provides that a device for applying a first edition for spreading the first wood chip layer and / or a device for placing a support on the last wood chip layer is provided, so that a one- or double-sided surface-coated OSB board with an inserted and pressed-in material insert can be produced.
  • the facilities for placing the material insert or inserts or pads are as Abrollstationen, preferably with guides for the material deposits or pads, trained.
  • the facilities for placing the material insert or inserts or pads are as Abrollstationen, preferably with guides for the material deposits or pads, trained.
  • several devices for sprinkling wood chip layers and devices for laying material deposits are arranged in succession alternately.
  • the invention makes it possible to provide OSB boards with a multi-ply layer structure in which inserts of a different material with different physical properties than the wood chips are embedded between wood chip layers. With such improved OSB panels, conventional composite panels can be increasingly replaced.
  • FIG. 1 shows schematically the structure of a device for manufacturing an OSB board and a sequence of the manufacturing process and a finished OSB board.
  • a manufacturing process of an OSB plate 1 is shown from left to right, in which on a continuously circulating mold belt 10, first a first support 3 is unrolled by a unwinding 13 for placing the support 3.
  • the support 3 is optionally aligned by guides, not shown, so that it rests flat on the forming belt 10.
  • the first means 13 for placing the support 3 is a first means 28 for spreading a first layer 8 of wood shavings downstream.
  • the wood chips may be formed as OSB strands having a length of 70-200 mm, a width of 6-30 mm and a thickness of 0.3-1.2 mm. Softwood or hardwood is used as the material for the wood chips, the wood content of a finished OSB board 1 being between 90 and 98%.
  • the strands may be oriented in the conveying direction of the forming belt 2 or perpendicular thereto, so that an intersecting orientation of the longitudinal extent of the strands may be present.
  • a first material insert 5 is placed by a second unwinding station 15.
  • the material insert 5, as well as the support 3, are rolled up on reels, from which they can be unwound.
  • this first material insert 5 which may be formed as a paper web, a fabric web, a plastic web or a nonwoven web, a second wood chip layer 7 of scattering devices 27, 27 'is scattered.
  • the second layer 7 of the wood chips is sprinkled in two stages, possibly with different orientation.
  • a further material insert 4 is applied by a further unwinding station 14, which in turn is covered by a third wood chip layer 6, which is scattered by a spreader 26.
  • a final support 2 is placed on top of the last layer 6 of wood chips, which is also unrolled from a unwinding station 12.
  • the respective chip layers 6, 7, 8 are formed as chip cake and may be provided with an adhesive or glue.
  • the pads 2, 3 and the inserts 4, 5 preferably extend over the entire width of the OSB plate. 1
  • the OSB plate blank is retracted in a continuous press 9, in the high temperature and high pressure of the blank to an OSB board. 1 is pressed with a predetermined thickness.
  • the finished OSB panel 1 is cut at the end of the forming belt 10 to the desired length and has on the visible sides 20, 30, ie on the top and the bottom, in each case a final coating through the supports 2, 3.
  • the material inserts 4, 5 are embedded in the OSB plate 1.
  • the OSB plate 1 with the illustrated, three-layer manufacturing method, it is provided in a production of an OSB board that the first layer 8, which forms the underside of the OSB board 1, aligned with in the longitudinal direction in the conveying direction of the forming belt 10 Strands is scattered while the second layer 7 is sprinkled perpendicular thereto as a central position, while the upper layer 6 again aligned according to the first layer 8. Between the mutually perpendicular orientations of the strands material inserts 4, 5 are arranged, which may be provided on both sides with glue layers, such as melamine layers, to produce a good connection to the wood material layers 6, 7, 8.
  • glue layers such as melamine layers
  • a support 2, 3 is provided on one side of the OSB board 1, it is provided that a glue layer is applied to the surface facing the respective wood chip layer 6, 8. During the pressing in the continuous press 9, a resin flux layer is formed between the support 2, 3 and the respective layer 6, 8. The thickness of the Harzverhnetik determines the surface quality of the OSB board. 1
  • a support 2, 3 is used with an increased moisture resistance.
  • the moisture resistance leads to the hardening of the concrete that the support 2, 3 receives a portion of the water from the concrete and thereby swells, so that sets a dull concrete surface.
  • an additional resin layer is applied to the support 2, 3, on the one hand increases the resistance of the OSB plate 1 against punctiform loads, on the other hand forms a water film when used as a formwork panel, resulting in a homogeneous, shiny Surface structure of the concrete leads.
  • the resin layer has the further task of largely leveling the inhomogeneous surface of an OSB board.
  • pads 2, 3 more pads can be applied, which serve either as a transport protection or as a release agent to more easily remove an OSB panel 1 from a concrete surface.
  • the number and arrangement of the material inserts 4, 5 varies according to the desired application and the desired strength of the OSB plate 1.
  • the means for applying pressure and temperature to the OSB plate blank may also be formed discontinuously.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Laminated Bodies (AREA)

Claims (23)

  1. Procédé de fabrication d'un panneau OSB (1) dans lequel on disperse en plusieurs couches (6, 7, 8) orientées pour se croiser, des copeaux de bois encollés avec de la résine, pour former une galette de particules, et on presse ensemble les copeaux de bois sous application de pression et température, caractérisé en ce que l'on introduit entre les couches (6, 7, 8) avant le pressage au moins une couche intermédiaire de matière (4, 5) en forme de couche, en particulier une couche intermédiaire de non-tissé, de tissu, de matière synthétique ou de papier, et on la presse avec les copeaux de bois, et on presse en continu la galette de particules et la couche intermédiaire (4, 5) et/ou un revêtement (2, 3), et à cet effet on les déplace à des vitesses d'avancement accordées les unes aux autres.
  2. Procédé selon la revendication 1, caractérisé en ce que l'on pose le revêtement (2, 3) sous la première couche (8) et/ou sur la dernière couche (6) de la galette de particules et on presse ensemble les copeaux de bois avec le revêtement (2, 3) sous effet de la température et de la pression.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'on met un deuxième revêtement sur le revêtement (2, 3).
  4. Procédé selon la revendication 3, caractérisé en ce que l'on pose le deuxième revêtement avant le pressage de la galette de particules.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que la pose de la couche intermédiaire (4, 5) et/ou du revêtement (2, 3) se fait en déroulant.
  6. Panneau OSB à base de plusieurs couches de copeaux de bois encollés avec de la résine, qui sont pressées ensemble sous application de pression et température, comprenant une face visible supérieure (20) et une face visible inférieure (30) s'étendant sensiblement parallèlement à la face visible supérieure, au moins une couche intermédiaire de matière (4, 5) étant agencée entre les faces visibles (20, 30) dans le panneau OSB (1) entre les couches obtenues par dispersion, caractérisé en ce que les couches des copeaux de bois sont orientées de façon croisée et la couche intermédiaire de matière (4, 5) est perméable et reliée avec les copeaux de bois, les copeaux de bois traversant la couche intermédiaire de matière (4, 5) et étant directement reliés ensemble par collage.
  7. Panneau OSB selon la revendication 6, caractérisé en ce que la couche intermédiaire de matière (4, 5) est réalisée en tant que couche intermédiaire de non-tissé, de tissu, de matière synthétique ou de papier.
  8. Panneau OSB selon la revendication 6 ou 7, caractérisé en ce que la couche intermédiaire de matière (4, 5) est imprégnée avec une colle, en particulier une colle résinique.
  9. Panneau OSB selon l'une des revendications 6 à 8, caractérisé en ce qu'au moins un revêtement (2, 3) est agencé sur au moins une face visible (20, 30) pour faire un recouvrement.
  10. Panneau OSB selon la revendication 9, caractérisé en ce que le revêtement (2, 3) présente une couche de papier.
  11. Panneau OSB selon la revendication 10, caractérisé en ce que la couche de papier présente un poids d'au moins 80 g/m2 et dispose d'une imprégnation de résine qui présente un poids d'au moins 50 g/m2.
  12. Panneau OSB selon la revendication 10 ou 11, caractérisé en ce que la couche de papier (2, 3) présente un poids de 200 g/m2.
  13. Panneau OSB selon l'une des revendications 10 à 12, caractérisé en ce que la couche de papier (2, 3) présente une couche de colle.
  14. Panneau OSB selon l'une des revendications 10 à 13, caractérisé en ce que la couche de papier (2, 3) présente un décor du côté de la face visible (20, 30).
  15. Panneau OSB selon la revendication 9, caractérisé en ce que le revêtement (2, 3) est un non-tissé.
  16. Panneau OSB selon la revendication 15, caractérisé en ce que le non-tissé (2, 3) présente un poids d'au moins 80 g/m2 et dispose d'une imprégnation de résine qui présente un poids d'au moins 50 g/m2.
  17. Panneau OSB selon la revendication 15, caractérisé en ce que le non-tissé (2, 3) présente une couche de colle.
  18. Panneau OSB selon la revendication 9, caractérisé en ce qu'un deuxième revêtement est agencé au-dessus du premier revêtement (2, 3).
  19. Panneau OSB selon l'une des revendications 9 à 18, caractérisé en ce que la couche intermédiaire de matière (4, 5) est pressée ensemble, sous effet de la pression et de la température, avec des couches en matériau dérivé du bois (7, 8, 9) agencées des deux côtés.
  20. Dispositif pour fabriquer un panneau OSB, comprenant une première installation (28) pour disperser une première couche (8) de copeaux de bois encollés avec de la résine, une deuxième installation (27, 27' ; 26) pour disperser sur la couche intermédiaire de matière (4, 5) perpendiculairement à l'orientation des copeaux de bois de la première couche (8) au moins une autre couche de copeaux de bois (7, 8) à base de copeaux de bois encollés avec de la résine, et une installation (9) pour le pressage des couches de copeaux de bois (6, 7, 8) sous application de pression et température pour former un panneau OSB (1), caractérisé par au moins une installation (15, 14) pour poser au moins une couche intermédiaire de matériau (5, 4) sur la première couche de copeaux de bois (8), l'installation (9) pour le pressage des couches de copeaux de bois (6, 7, 8) et de la couche intermédiaire de matériau (4, 5) étant réalisée en tant que presse à bande travaillant en continu, en particulier presse à double bande.
  21. Dispositif selon la revendication 20, caractérisé en ce qu'il est prévu une installation (13) pour poser un premier revêtement (3) pour la première couche de copeaux de bois (8) et/ou une installation (12) pour poser un revêtement (2) sur la dernière couche de copeaux de bois (6).
  22. Dispositif selon l'une des revendications 20 ou 21, caractérisé en ce que les installations (12, 13, 14, 15) pour poser les couches intermédiaires de matériau (4, 5) ou revêtements (2, 3) sont réalisées en tant que stations dérouleuses comprenant des guidages pour les couches intermédiaires de matériau (4, 5) ou revêtements (2, 3).
  23. Dispositif selon l'une des revendications 20 à 22, caractérisé en ce que plusieurs installations (26, 27, 27', 28) pour la dispersion de couches de copeaux de bois (6, 7, 8) et des installations (14, 15) pour poser des couches intermédiaires de matériau (4, 5) sont alternativement agencées les unes derrière les autres.
EP06007021A 2005-05-12 2006-04-01 Plaque composite en bois, procédé et appareil pour la fabrication de la plaque Not-in-force EP1721715B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06007021T PL1721715T3 (pl) 2005-05-12 2006-04-01 Płyta OSB oraz sposób jej wytwarzania i urządzenie do jej wytwarzania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005021903A DE102005021903B4 (de) 2005-05-12 2005-05-12 Verfahren zur Herstellung einer Holzwerkstoffplatte sowie Holzwerkstoffplatte

Publications (2)

Publication Number Publication Date
EP1721715A1 EP1721715A1 (fr) 2006-11-15
EP1721715B1 true EP1721715B1 (fr) 2010-08-18

Family

ID=36326855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06007021A Not-in-force EP1721715B1 (fr) 2005-05-12 2006-04-01 Plaque composite en bois, procédé et appareil pour la fabrication de la plaque

Country Status (5)

Country Link
EP (1) EP1721715B1 (fr)
AT (1) ATE477897T1 (fr)
DE (2) DE102005021903B4 (fr)
ES (1) ES2349871T3 (fr)
PL (1) PL1721715T3 (fr)

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Publication number Priority date Publication date Assignee Title
US9573343B2 (en) 2014-03-31 2017-02-21 Ceraloc Innovation Ab Composite boards and panels

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DE102006018277B4 (de) * 2006-04-20 2008-04-17 Kronotec Ag Bauplatte und Verfahren zur Herstellung einer Bauplatte
HRP20191352T1 (hr) * 2007-04-10 2019-11-01 Unilin Bvba Metoda i aparat za proizvodnju laminatnih podnih panela koji sadrže jezgru koja sadrži drveni/plastični kompozit, kao i takvi paneli
DE102007054711B4 (de) * 2007-11-14 2014-12-04 Fritz Egger Gmbh & Co. Og Verfahren zur Herstellung einer Dünnspanplatte mit erhöhter Stabilität und Dünnspanplatte mit erhöhter Stabilität
PL2226201T3 (pl) 2009-03-04 2013-03-29 Flooring Technologies Ltd Sposób i urządzenie do wytwarzania płyty z tworzywa drzewnego
DE102015116185B3 (de) * 2015-07-27 2017-01-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung eines plattenförmigen Werkstoffes, eines spritzgieß- oder extrudierfähigen Granulats daraus und Granulat
EP3124192B1 (fr) * 2015-07-27 2018-08-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procede de fabrication d'un granule pouvant etre moule par injection ou extrude
DE102017107433B4 (de) 2017-04-06 2022-02-10 Fritz Egger Gmbh & Co. Og Möbelplatte
SE543464C2 (en) * 2017-07-19 2021-02-23 Ikea Supply Ag Wood particle board
DE102023104439B4 (de) * 2023-02-23 2024-09-26 Technische Universität Clausthal, Körperschaft des öffentlichen Rechts Verfahren zur Herstellung einer Sandwichstruktur

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9573343B2 (en) 2014-03-31 2017-02-21 Ceraloc Innovation Ab Composite boards and panels
US10307984B2 (en) 2014-03-31 2019-06-04 Ceraloc Innovation Ab Composite boards and panels
US10967608B2 (en) 2014-03-31 2021-04-06 Ceraloc Innovation Ab Composite boards and panels
US11541630B2 (en) 2014-03-31 2023-01-03 Ceraloc Innovation Ab Composite boards and panels

Also Published As

Publication number Publication date
PL1721715T3 (pl) 2011-02-28
EP1721715A1 (fr) 2006-11-15
DE502006007671D1 (de) 2010-09-30
ES2349871T3 (es) 2011-01-12
ATE477897T1 (de) 2010-09-15
DE102005021903A1 (de) 2006-11-16
DE102005021903B4 (de) 2008-07-10

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