EP1721715B1 - OSB-Platte sowie Verfahren und Vorrichtung zu ihrer Herstellung - Google Patents

OSB-Platte sowie Verfahren und Vorrichtung zu ihrer Herstellung 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)
French (fr)
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EP1721715A1 (de
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
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Kronotec AG
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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/de
Application granted granted Critical
Publication of EP1721715B1 publication Critical patent/EP1721715B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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.
EP06007021A 2005-05-12 2006-04-01 OSB-Platte sowie Verfahren und Vorrichtung zu ihrer Herstellung Not-in-force EP1721715B1 (de)

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 (de) 2006-11-15
EP1721715B1 true EP1721715B1 (de) 2010-08-18

Family

ID=36326855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06007021A Not-in-force EP1721715B1 (de) 2005-05-12 2006-04-01 OSB-Platte sowie Verfahren und Vorrichtung zu ihrer Herstellung

Country Status (5)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2479433C2 (ru) * 2007-04-10 2013-04-20 Спанолюкс Н.В.-Див.Бальтерио Способ и установка для изготовления ламинированных панелей для пола, включающих основу, содержащую древесно-полимерный композиционный материал, а также указанные панели
US9573343B2 (en) 2014-03-31 2017-02-21 Ceraloc Innovation Ab Composite boards and panels

Families Citing this family (7)

* 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
PL2226201T3 (pl) 2009-03-04 2013-03-29 Flooring Technologies Ltd Sposób i urządzenie do wytwarzania płyty z tworzywa drzewnego
EP3124192B1 (de) * 2015-07-27 2018-08-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur herstellung eines spritzgiess- oder extrudierfähigen granulats
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
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

Family Cites Families (12)

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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
US3790417A (en) * 1971-12-17 1974-02-05 A Paterson Process for preparing fiberboard having improved dimensional stability
DE2730750A1 (de) * 1977-07-05 1979-01-18 Kiss Consulting Eng Fasermatte zur trockenen herstellung von gepressten formkoerpern
US4569873A (en) * 1981-05-26 1986-02-11 Robbins Earl Herbert Composite wood panel
DE3343330A1 (de) * 1983-11-28 1985-06-05 Günter Hans 1000 Berlin Kiss Verfahren zur herstellung von mittels thermoplastisch verformbarer dekorfolie oberflaechenkaschierter formteile
DE4030774C2 (de) * 1990-09-28 1998-05-20 Dieffenbacher Gmbh Maschf Verfahren zum Herstellen einer Mehrschichtholzplatte und nach diesem Verfahren hergestellte Mehrschichtholzplatte
DE4434876B4 (de) * 1994-09-29 2004-09-16 Dieffenbacher Gmbh + Co. Kg 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
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
DE10300247B4 (de) * 2003-01-03 2006-11-23 Kronotec Ag Holzwerkstoffplatte
DE10334222B3 (de) * 2003-07-26 2005-04-28 Siempelkamp Masch & Anlagenbau Verfahren und Vorrichtung zur Herstellung von Holzwerkstoffplatten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2479433C2 (ru) * 2007-04-10 2013-04-20 Спанолюкс Н.В.-Див.Бальтерио Способ и установка для изготовления ламинированных панелей для пола, включающих основу, содержащую древесно-полимерный композиционный материал, а также указанные панели
US9573343B2 (en) 2014-03-31 2017-02-21 Ceraloc Innovation Ab Composite boards and panels

Also Published As

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

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