EP1721715A1 - Plaque composite en bois et procédé pour la fabrication de la plaque - Google Patents

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

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Publication number
EP1721715A1
EP1721715A1 EP06007021A EP06007021A EP1721715A1 EP 1721715 A1 EP1721715 A1 EP 1721715A1 EP 06007021 A EP06007021 A EP 06007021A EP 06007021 A EP06007021 A EP 06007021A EP 1721715 A1 EP1721715 A1 EP 1721715A1
Authority
EP
European Patent Office
Prior art keywords
wood
insert
layer
support
wood material
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.)
Granted
Application number
EP06007021A
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German (de)
English (en)
Other versions
EP1721715B1 (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 a wood-based panel, in particular an OSB board, are sprinkled with resin glued wood chips or wood fibers in several layers to a chip or fiber cake and the wood chips or wood fibers are pressed together applying pressure and temperature.
  • the invention relates to a wood-based panel having an upper and a substantially parallel extending lower side and a device for producing a wood-based panel.
  • 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 position 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 object of the invention is therefore to provide a wood-based panel, a method for producing a wood-based panel and an apparatus for producing a wood-based panel, with which the disadvantages of the prior art are overcome and in particular wood-based panels can be provided whose strength properties during the manufacturing process over a wide Range are adjustable.
  • the inventive method for producing a wood-based panel in particular an OSB board, sprinkled with resin-coated wood chips or wood fibers in several layers to a chip or fiber cake and the wood chips or wood fibers pressed together applying pressure and temperature be, provides that between the layers of wood chips or wood fibers before pressing at least one sheet-like material insert, in particular a fleece, fabric, plastic or paper insert is introduced and pressed with the wood fibers or wood chips to a wood-based panel.
  • a sheet-like material insert in particular a fleece, fabric, plastic or paper insert
  • a development of the method provides that under the first layer and / or on the last layer of the chip or fiber cake placed a support and the wood chips or wood fibers are pressed together with the support under pressure and temperature influence. This makes it possible to set the surface properties of a wood-based panel, in particular an OSB panel, to the respective needs in addition to the introduction of an insert in the plate interior.
  • the chip or fiber cake and the insert and possibly the support or supports are pressed continuously with each other, wherein the respective components are moved with matched feed rates. Due to the continuous compression of the respective layers, deposits and conditions during the production of the wood-based panel, there is a tension and distortion-free wood-based panel production with physical properties of the finished wood-based panel, which are adjustable over a wide range. In particular, in relation to punctiform loads, a significantly increased resistance compared to conventional wood-based panels can be achieved.
  • a further edition can be applied, which is, for example, a structured fleece or a melamine-coated paper layer to structure or smooth the surface of a wood-based panel.
  • the pads or pads are preferably unwound from respective reels or reels to facilitate continuous production.
  • the materials also sequentially applied or scattered and then be pressed sequentially to a wood-based panel.
  • the wood-based panel according to the invention provides between the visible sides of a arranged in the wood-based panel material insert, which is in particular designed as a fleece, fabric, plastic or paper insert.
  • material insert which is in particular designed as a fleece, fabric, plastic or paper insert.
  • an adhesive in particular a resin glue, so that the wood chips or wood fibers enter into a very good, adhesive connection with the material insert.
  • wood chips or wood fibers connect directly to each other adhesive, so that they penetrate the material insert and enclose in the wood-based panel.
  • a support for coating which may have a paper layer or nonwoven layer and in one embodiment has a weight of at least 80 g / m 2 and a resin impregnation, wherein the resin impregnation has a weight of at least 50 g / m 2 has.
  • the paper or nonwoven layer can also have a glue layer and, in adaptation to the respective intended use, for example as a furniture panel, have a decoration directed towards the visible side.
  • 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 a wood-based panel provides a first device for spreading a first layer of wood-based material, in particular wood chips or wood fibers, and at least one device for laying at least one material deposit on the first wood-material support. Furthermore, at least one second device for sprinkling at least one further layer of wood material on the material insert and a device for pressing the Wood material layers and the material insert provided together under application of pressure and temperature to a wood-based panel.
  • the devices for sprinkling the wood chips or wood fibers can be configured as scattering or pouring devices, which allow a controlled and continuous scattering of wood chips or wood fibers, possibly with alignment of the fibers or chips perpendicular to or in the direction of a conveying direction.
  • a development of the invention provides that a device for applying a first edition for sprinkling the first layer of wood material and / or a device for placing a support on the last layer of wood material is provided, so that a one or both sides surface-coated wood-based panel with an inserted and pressed Material insert can be produced.
  • the device for pressing the wood-based material layers with the insert and possibly the pads is preferably formed as a continuous belt press, especially double belt press having heated pressure belts, so that a continuous production of wood-based panel with deposits, possibly with conditions is possible.
  • the devices for placing the material insert or inserts or pads are designed as Abrollstationen, preferably with guides for the material inserts or pads.
  • Abrollstationen preferably with guides for the material inserts or pads.
  • the invention makes it possible to provide wood-based panels with a multi-layered layer structure in which inserts of a different material with different physical properties than the wooden materials are embedded between layers of wood-based material. With such improved wood-based panels conventional composite panels can be increasingly replaced.
  • FIG. 1 shows schematically the structure of a device for manufacturing a wood-based panel and a flow of the manufacturing process and a finished wood-based panel.
  • a manufacturing process of a wood-based panel 1 is shown from left to right, in which on a continuously circulating forming 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 or wood fibers arranged 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 material for the wood chips, the wood content of a finished wood-based panel 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.
  • wood fibers can be scattered to produce an MDF or HDF board.
  • 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 material layer 2 of scatterers 27, 27 'is scattered.
  • the second layer 7 of the wood material 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 layer of wood material 6, which is scattered by a spreader 26.
  • a final support 2 is placed on top of the last layer 6 of the wood material, which is also unrolled from a unwinding station 12.
  • the wood-based panel 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 wood-based panel 1, with in the longitudinal direction In the conveying direction of the forming belt 10 aligned strand is scattered, while the second layer 7 is sprinkled perpendicular thereto as a central position, while the upper layer 6 is again aligned according to the first layer 8.
  • 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.
  • a support 2, 3 is provided on one side of the wood-based panel 1, it is provided that a layer of glue is applied to the surface facing the respective wood-material layer 6, 8. During the pressing in the continuous press 9 forms between the support 2, 3 and the respective layer 6, 8 a resin flow layer.
  • the thickness of the Harzverhnetik determines the surface quality of the wood material 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 wood-based panel 1 against punctiform loads, on the other hand forms a water film when used as a formwork panel, resulting in a homogeneous, glossy surface structure Concrete leads.
  • the resin layer has the further task of largely leveling the inhomogeneous surface of an OSB board.
  • the number and arrangement of the material inserts 4, 5 varies according to the desired application and the desired strength of the wood-based panel 1.
  • the means for applying pressure and temperature to the wood-based panel 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)
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 true EP1721715A1 (fr) 2006-11-15
EP1721715B1 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)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008122668A1 (fr) * 2007-04-10 2008-10-16 Spanolux N.V.- Div. Balterio Procédé et appareil de fabrication de panneaux de plancher lamellés comportant une âme contenant un composite bois/matière plastique, et panneaux ainsi obtenus
US9573343B2 (en) 2014-03-31 2017-02-21 Ceraloc Innovation Ab Composite boards and panels
EP3124192A3 (fr) * 2015-07-27 2017-06-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procede de fabrication d'une matiere premiere en forme de plaques, d'un granule pouvant etre moule par injection ou extrude a partir de celle-ci et granule
EP3384810A1 (fr) 2017-04-06 2018-10-10 Fritz Egger GmbH & Co. OG Panneau pour meuble et son procédé de fabrication
SE543464C2 (en) * 2017-07-19 2021-02-23 Ikea Supply Ag Wood particle board

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006018277B4 (de) * 2006-04-20 2008-04-17 Kronotec Ag Bauplatte und Verfahren zur Herstellung einer Bauplatte
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
ES2395694T3 (es) 2009-03-04 2013-02-14 Flooring Technologies Ltd. Procedimiento e instalación para fabricar una placa de fibras de madera
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
DE102023104439B4 (de) 2023-02-23 2024-09-26 Technische Universität Clausthal, Körperschaft des öffentlichen Rechts Verfahren zur Herstellung einer Sandwichstruktur

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790417A (en) * 1971-12-17 1974-02-05 A Paterson Process for preparing fiberboard having improved dimensional stability
US4198460A (en) * 1977-07-05 1980-04-15 Kce Kiss Consulting Engineers Verfahrenstechnik Gmbh Fibre mat for the dry production of compressed mouldings
US4569873A (en) * 1981-05-26 1986-02-11 Robbins Earl Herbert Composite wood panel
US4655861A (en) * 1983-11-28 1987-04-07 Kiss G H Process for producing moldings with deformable decorative surface
DE4434876A1 (de) * 1994-09-29 1996-04-04 Dieffenbacher Gmbh Maschf Verfahren und Anlage zur kontinuierlichen Herstellung einer Mehrschichtplatte
DE19746383A1 (de) * 1997-10-21 1999-04-22 Hofa Homann Gmbh & Co Kg Verfahren und Vorrichtung zur Herstellung von Faserplatten sowie nach dem Verfahren hergestellte Faserplatten
DE10300247A1 (de) * 2003-01-03 2004-07-22 Kronotec Ag Holzwerkstoffplatte

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1653161A1 (de) * 1966-05-21 1971-01-21 Friedrich Bilger Armierung von Holzstoffplatten sowie Pressplatten und Formteilen mit Holzanteilen
DE4030774C2 (de) * 1990-09-28 1998-05-20 Dieffenbacher Gmbh Maschf Verfahren zum Herstellen einer Mehrschichtholzplatte und nach diesem Verfahren hergestellte Mehrschichtholzplatte
AT407507B (de) * 1997-12-18 2001-04-25 Oesterreichische Homogenholz G Holzspanplatte mit hoher biegefestigkeit und hohem biege-e-modul
DE10230206A1 (de) * 2002-07-04 2004-01-22 Kunz Holding Gmbh & Co. Kg Vorrichtung und Verfahren zur kontinuierlichen Herstellung einer Holzwerkstoffplatte sowie zur Beschichtung derselben mit einem Film- oder Folienmaterial
DE10334222B3 (de) * 2003-07-26 2005-04-28 Siempelkamp Masch & Anlagenbau Verfahren und Vorrichtung zur Herstellung von Holzwerkstoffplatten

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790417A (en) * 1971-12-17 1974-02-05 A Paterson Process for preparing fiberboard having improved dimensional stability
US4198460A (en) * 1977-07-05 1980-04-15 Kce Kiss Consulting Engineers Verfahrenstechnik Gmbh Fibre mat for the dry production of compressed mouldings
US4569873A (en) * 1981-05-26 1986-02-11 Robbins Earl Herbert Composite wood panel
US4655861A (en) * 1983-11-28 1987-04-07 Kiss G H Process for producing moldings with deformable decorative surface
DE4434876A1 (de) * 1994-09-29 1996-04-04 Dieffenbacher Gmbh Maschf Verfahren und Anlage zur kontinuierlichen Herstellung einer Mehrschichtplatte
DE19746383A1 (de) * 1997-10-21 1999-04-22 Hofa Homann Gmbh & Co Kg Verfahren und Vorrichtung zur Herstellung von Faserplatten sowie nach dem Verfahren hergestellte Faserplatten
DE10300247A1 (de) * 2003-01-03 2004-07-22 Kronotec Ag Holzwerkstoffplatte

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008122668A1 (fr) * 2007-04-10 2008-10-16 Spanolux N.V.- Div. Balterio Procédé et appareil de fabrication de panneaux de plancher lamellés comportant une âme contenant un composite bois/matière plastique, et panneaux ainsi obtenus
US8956714B2 (en) 2007-04-10 2015-02-17 Spanolux N.V.-Div. Balterio Method and apparatus for manufacturing laminate floor panels comprising a core containing wood/plastic composite, as well as such panels
EP3572223A3 (fr) * 2007-04-10 2020-01-15 Unilin, BVBA Procédé et appareil de fabrication de panneaux de plancher lamellés comportant une âme contenant un composite bois/matière plastique et panneaux ainsi obtenus
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
EP3124192A3 (fr) * 2015-07-27 2017-06-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procede de fabrication d'une matiere premiere en forme de plaques, d'un granule pouvant etre moule par injection ou extrude a partir de celle-ci et granule
EP3384810A1 (fr) 2017-04-06 2018-10-10 Fritz Egger GmbH & Co. OG Panneau pour meuble et son procédé de fabrication
DE102017107433A1 (de) 2017-04-06 2018-10-11 Fritz Egger Gmbh & Co. Og Möbelplatte und Verfahren zu deren Herstellung
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

Also Published As

Publication number Publication date
ATE477897T1 (de) 2010-09-15
EP1721715B1 (fr) 2010-08-18
ES2349871T3 (es) 2011-01-12
PL1721715T3 (pl) 2011-02-28
DE502006007671D1 (de) 2010-09-30
DE102005021903B4 (de) 2008-07-10
DE102005021903A1 (de) 2006-11-16

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