EP1754583B1 - Plaque en materiau de bois et procédé de fabrication - Google Patents

Plaque en materiau de bois et procédé de fabrication Download PDF

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Publication number
EP1754583B1
EP1754583B1 EP06016822.6A EP06016822A EP1754583B1 EP 1754583 B1 EP1754583 B1 EP 1754583B1 EP 06016822 A EP06016822 A EP 06016822A EP 1754583 B1 EP1754583 B1 EP 1754583B1
Authority
EP
European Patent Office
Prior art keywords
layer
outer layer
fabric
wood
strands
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
EP06016822.6A
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German (de)
English (en)
Other versions
EP1754583A1 (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.)
Swiss Krono Tec AG
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Swiss Krono Tec AG
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Filing date
Publication date
Application filed by Swiss Krono Tec AG filed Critical Swiss Krono Tec AG
Priority to PL06016822T priority Critical patent/PL1754583T3/pl
Publication of EP1754583A1 publication Critical patent/EP1754583A1/fr
Application granted granted Critical
Publication of EP1754583B1 publication Critical patent/EP1754583B1/fr
Not-in-force legal-status Critical Current
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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
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B27N3/14—Distributing or orienting the particles or fibres
    • B27N3/143—Orienting the particles or fibres

Definitions

  • the invention relates to a wood-based panel, in particular OSB panel, which has at least one upper cover layer, at least one middle layer and at least one lower cover layer, all of which consist of resin-coated strands and processes for their production in the resin-coated and at least one lower cover layer.
  • at least one topsheet and at least one middle layer forming strands are provided separately, the strands of the backsheet being deposited in a first orientation substantially longitudinal to the panel direction, the strands of the midlayer in a second orientation substantially transverse to the panel main direction on the backsheet are stored, the strands of the upper cover layer are placed back in the first orientation on the middle layer and a lower cover layer, middle layer and upper cover layer existing layer structure under increased pressure and elevated temper nature is pressed.
  • From the DE 44 34 876 A1 is a method for producing a coated wood-based panel is known in which with resin-coated wood chips in several layers too a chip cake are sprinkled and the wood chips are arranged in the first layer and in the last position substantially in alignment.
  • the US 4,058,580 discloses a method for producing a reinforced wood-based panel.
  • binder-coated cellulose particles are scattered, to which various reinforcing fibers, for example glass fibers or steel wires, are admixed. These scattered glued fibers are then pressed into the desired shape.
  • the WO 99/32285 discloses a wood-based panel according to the preamble of claim 1 and a method for producing a wood-based panel according to the preamble of claim 6, wherein a chipboard is made of several layers of resin-coated strands.
  • a chipboard is made of several layers of resin-coated strands.
  • existing tissue, scrims or nonwovens are provided in particular within or between the individual layers of glued wood chips made of natural fibers.
  • the FR 2 312 363 discloses a method for the continuous production of a wood-based panel in which a three-ply chip cake is sprinkled on a paper sheet and then continuously pressed.
  • the DE 1 945 779 describes a fiber reinforced plate and method for its endless manufacture.
  • a reinforcing layer of a glass fiber material or the like is applied to a wood-based panel, which is embedded on both sides in a connecting layer.
  • a reinforcing and a bonding layer is applied on both sides of the carrier plate, and then pressed continuously under pressure and heat.
  • the US 4,364,984 describes a multilayer wood-based panel which has a core of three layers of coarse wood chips scattered at an angle of 90 degrees with respect to each other. Both the top and the bottom are covered with a layer of fine wood particles.
  • All chips and wood particles are coated with an adhesive and the layer structure thus formed is then pressed in a hot press.
  • the WO 00/68527 discloses a quick-assembly and chopping board and method of dressing such and a method and apparatus for making the same.
  • a plate may be formed, for example, in the form of a chipboard or OSB board, to which an outer layer, for example, of a microforming is applied to the top and bottom.
  • the US 4,355,754 discloses various embodiments of railway sleepers made of a wood material which are reinforced in the area in which the rails are laid over the remaining area.
  • a two-layered threshold may contain chips of hardwood, such as oak, in the top layer, and chips of a softer wood, such as aspen, in the remainder of the layer.
  • the area of the threshold on which the rails rest consist of hardwood shavings from the top to the bottom throughout.
  • This area may additionally comprise reinforcing fibers such as carbon, glass fiber, plastic or metal. The reinforcing fibers may be present in this area only in the upper portion of the threshold.
  • Coated wood-based panels are used as furniture panels, as building elements, as shuttering panels or as floor panels.
  • walkable formwork panels e.g. In the roof area and in the floor slabs, it is important for the safety of the craftsmen that the wood-based panels have a non-slip surface, so that e.g. A roofer does not slip when walking the roof formwork.
  • Floor slabs are used in the commercial sector, eg in the work area of woodworking machines. To ensure that workers have a firm footing when operating the machines and reduce the risk of Accidents due to slipping must be prevented, the floor slabs must be non-slip equipped. Often, floor slabs, in particular OSB slabs, which have a smooth surface and are not slip-proof, must subsequently be provided with an anti-slip coating, for example made of sand, in order to meet the requirements of occupational safety.
  • an anti-slip coating for example made of sand
  • the grinding of the outer layers is particularly disadvantageous in OSB boards, which are used outdoors as roofing or facade board, because by the grinding of the surface on the one hand, the moisture resistance is reduced because the water-repellent press skin (Harzverflustik) is abraded or reduced, and on the other hand Bending strength of the wood-based panels decreases because the marginal layers, which have the greatest bulk density and thus strength, are ground down.
  • coatings such as paints, screeds, plastic or mineral plasters on OSB boards, because the adhesion of these coatings to the OSB boards is reduced due to the press skin.
  • the tensile strength of the cover layer is enhanced and the bending properties of the wood-based panel improved.
  • fabric fibers of different lengths, thicknesses and properties can be incorporated in a cover layer for this purpose. By introducing a defined amount of fabric fibers, the tensile strength of the cover layer can be adjusted to the particular intended use of the wood-based panel.
  • the layer comprising the textile fibers has at least one fabric layer on the surface.
  • the flexural properties of an OSB board are also increased.
  • the fabric layer on the opposite side of the force acting the tension side arranged.
  • the application of the fabric mat also reduces the swelling and shrinkage behavior of an OSB board when wood moisture changes.
  • the technical properties of the wood-based panel in particular the flexural and modulus of elasticity, the flexural strength, the swelling behavior and the fire behavior are improved.
  • an OSB board can serve as a carrier material for applied paint, screed or plaster systems through the rough surface of the fabric layer, which can be applied directly.
  • the fabric layer creates a slip-resistant surface on an OSB board, which enables the use of these OSB boards in new applications, such as in the roof formwork or in the stage covering area. For these applications, the fabric layer is placed on the top of the board.
  • the fabric layer has a weight of at least 50 to 400 g / m 2 , preferably 200 g / m 2 , so that a significant increase in flexural strength, as well as an improvement of the swelling and shrinkage behavior of an OSB board is realized.
  • the fabric insert may have a resin impregnation and / or a glue layer.
  • a paper layer can be applied below the fabric layer.
  • the paper layer to a weight of at least 50 to 400 g / m 2 , preferably 80 to 100 g / m 2 .
  • the paper layer may have various optical designs and so create a decorative effect on the plate, such as signal colors for walk-roofing slabs.
  • the paper layer may have a resin impregnation and / or a glue layer.
  • an OSB board may have a fabric layer with a weight of at least 50 to 400 g / m 2 , preferably 200 g / m 2 .
  • the fabric layer may have a resin impregnation and / or a glue layer.
  • a method for producing a generic wood-based panel is characterized by the features of claim 6.
  • the process for producing a wood-based panel, in particular an OSB board in a continuous process since so achieved a uniform application of lower and / or upper cover layer on the forming belt and continuous addition of the fabric fibers to the strands. It is particularly advantageous that for the entry of the fabric fibers no additional equipment or equipment parts must be provided and so the production costs are particularly low.
  • At least one layer of fabric is applied to the layer comprising the textile fibers prior to pressing.
  • the OSB board thus obtains a non-slip surface, such that the OSB board has e.g. can be used as a walk-in roof planking or as a stage covering.
  • These OSB boards are suitable for applications with particularly high requirements, for which conventional OSB boards are not suitable.
  • At least one paper layer may be applied to the top cover layer and / or the bottom cover layer to further enhance the resistance of an OSB panel to moisture absorption and the flexural strength of an OSB panel.
  • this method is continuous, in order to achieve both the uniform distribution of the fabric fibers only in the upper or only in the lower cover layer as well as to realize a uniform order of the fabric layer on the upper and / or lower cover layer cost.
  • FIG. 1 shows an OSB board 1, consisting of an upper cover layer 2, a middle layer 3 and a lower cover layer 4 of long, glued chips.
  • a paper layer 7 and a fabric layer 5 is applied on the upper side of the cover layer 2.
  • Fabric and paper layers 5, 7 each have a glue layer 6, 8, which fixes the paper 7 or the fabric 5 on the cover layer 2 of the OSB board 1.
  • the fabric layer 5 serves the purpose of providing a non-slip surface on the OSB board 1.
  • the OSB board 1 can also be used in applications in which they could not be used because of the smooth surface, for example, as a roof formwork panel or in the stage covering area.
  • the fabric layer 5 is arranged on the surface of the upper cover layer 2.
  • FIG. 2 shows a process scheme for producing an OSB board1.
  • the strands are scattered in conventional processes on a continuously circulating forming belt to a layer structure 9, wherein the strands of the two cover layers 2 and 4 are deposited substantially along the plate main direction x.
  • the fabric fibers can be mixed. This leads to an increase in the tensile strength of the cover layer 2 or 4 and therefore has a positive effect on the bending properties of the OSB board 1.
  • a fabric layer 5 is given to the layer structure 9 and pressed together with this in the hot press.
  • the fabric layer 5 has the task of increasing the bending properties of the OSB board 1.
  • the OSB plate 1 For this purpose is used the OSB plate 1, the fabric layer 5 on the opposite side of the force acting force (tension side).
  • the fabric layer 5 reduces the swelling and shrinkage behavior of the OSB board 1.
  • the OSB board 1 can serve as a carrier material for applied paint, screed or plaster systems.
  • the fabric layer 5 also produces a slip-resistant surface.
  • FIG. 3 shows the Roh Whyverlauf over the thickness of an OSB board 1.
  • the outer cover layers 2 and 4 show gross density maxima, indicating that the strength of the OSB board 1, especially in these outdoor areas are particularly high.

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)
  • Laminated Bodies (AREA)
  • Floor Finish (AREA)

Claims (10)

  1. Panneau en matériau à base de bois, en particulier panneau OSB (1), comprenant au moins une couche de couverture supérieure (2), au moins une couche médiane (3) et au moins une couche de couverture inférieure (4), qui sont toutes constituées par des bandes collées à la résine, caractérisé en ce que par addition de fibres de tissu aux bandes uniquement pour la couche de couverture supérieure ou uniquement pour la couche de couverture inférieure (2, 4), le panneau en matériau à base de bois présente une répartition homogène des fibres de tissu et des bandes uniquement dans la couche de couverture supérieure (2) ou uniquement dans la couche de couverture inférieure (4).
  2. Panneau en matériau à base de bois selon la revendication 1, caractérisé en ce que la couche (2, 4) présentant les fibres de tissu comprend sur la surface au moins une couche de tissu (5).
  3. Panneau en matériau à base de bois selon la revendication 2, caractérisé en ce que la couche de tissu (5) présente un poids d'au moins 50 à 400 g/m2, de préférence 200 g/m2.
  4. Panneau en matériau à base de bois selon la revendication 3, caractérisé en ce que la couche de tissu (5) dispose d'une imprégnation de résine et/ou d'une couche de colle (6).
  5. Panneau en matériau à base de bois selon l'une ou plusieurs des revendications 2 à 4, caractérisé en ce que la couche de tissu (5) est une nappe en fibres de verre.
  6. Procédé de production d'un panneau en matériau à base de bois, en particulier panneau OSB (1), dans lequel
    - on prépare séparément des bandes encollées de résine et
    - formant au moins une couche de couverture inférieure (4), au moins une couche de couverture supérieure (2) et au moins une couche médiane (3),
    - on pose les bandes de la couche de couverture inférieure (4) en une première orientation sensiblement le long d'une direction principale du panneau (x),
    - on pose les bandes de la couche médiane (3) en une seconde orientation sensiblement transversale à la direction principale du panneau (x) sur la couche de couverture inférieure (4),
    - on pose les bandes de la couche de couverture supérieure (2) de nouveau en la première orientation (x) sur la couche médiane (3),
    - et on comprime une structure de couches (9), constituée de la couche de couverture inférieure (4), de la couche médiane (3) et de la couche de couverture supérieure (2), sous une pression accrue et à une température accrue,
    caractérisé en ce que
    - on fournit des fibres de tissu,
    - on ajoute les fibres de tissu aux bandes uniquement pour la couche de couverture inférieure (4) ou uniquement pour la couche de couverture supérieure (2),
    - on atteint une répartition homogène des fibres de tissu et des bandes uniquement dans la couche de couverture inférieure (4) ou uniquement dans la couche de couverture supérieure (2).
  7. Procédé selon la revendication 6, caractérisé en ce que le procédé se déroule en continu.
  8. Procédé selon la revendication 6 ou 7, caractérisé en ce qu'avant la compression, on applique au moins une couche de tissu (5) sur la couche (2, 4) présentant les fibres de tissu.
  9. Procédé selon la revendication 8, caractérisé en ce qu'avant d'appliquer la couche de tissu (5), on applique au moins une couche de papier (7) sur la couche supérieure (2, 4).
  10. Procédé selon la revendication 8 ou 9, caractérisé en ce que le procédé se déroule en continu.
EP06016822.6A 2005-08-17 2006-08-11 Plaque en materiau de bois et procédé de fabrication Not-in-force EP1754583B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06016822T PL1754583T3 (pl) 2005-08-17 2006-08-11 Płyta z tworzywa drzewnego i sposób jej wytwarzania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005038833A DE102005038833B4 (de) 2005-08-17 2005-08-17 OSB-Platte und Verfahren zur Herstellung einer OSB-Platte

Publications (2)

Publication Number Publication Date
EP1754583A1 EP1754583A1 (fr) 2007-02-21
EP1754583B1 true EP1754583B1 (fr) 2017-04-26

Family

ID=37492388

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06016822.6A Not-in-force EP1754583B1 (fr) 2005-08-17 2006-08-11 Plaque en materiau de bois et procédé de fabrication

Country Status (4)

Country Link
EP (1) EP1754583B1 (fr)
DE (1) DE102005038833B4 (fr)
ES (1) ES2633537T3 (fr)
PL (1) PL1754583T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
PL2236313T3 (pl) * 2009-03-31 2012-12-31 Flooring Technologies Ltd Sposób wytwarzania paneli i panel wytworzony tym sposobem
PL2319671T3 (pl) 2009-11-05 2014-08-29 SWISS KRONO Tec AG Sposób wytwarzania płyt OSB
CA2811668C (fr) * 2010-09-23 2016-08-09 Flooring Technologies Ltd. Procede de fabrication de panneaux et panneau fabrique selon ledit procede
ES2623824T3 (es) 2014-05-02 2017-07-12 SWISS KRONO Tec AG Procedimiento e instalación para fabricar un panel de fibras de madera
EP3181372B1 (fr) 2014-11-20 2021-02-17 Flooring Technologies Ltd. Procédé de transformation d'une plaque en bois
ES2759877T3 (es) 2016-03-10 2020-05-12 SWISS KRONO Tec AG Procedimiento para fabricar un OSB
DE102022134608A1 (de) 2022-12-22 2024-06-27 Siempelkamp Maschinen- Und Anlagenbau Gmbh Werkstoffplatte und Verfahren zur Herstellung einer Werkstoffplatte

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4241133A (en) * 1979-04-02 1980-12-23 Board Of Control Of Michigan Technological University Structural members of composite wood material and process for making same
US4355754A (en) * 1981-05-18 1982-10-26 Board Of Control Of Michigan Technological University Structural members comprised of composite wood material and having zones of diverse density
WO2000068527A1 (fr) * 1999-05-08 2000-11-16 Tannhaeuser Gunter Panneau de montage rapide et de decoffrage et procede permettant de le dresser et procede et dispositif permettant de le produire

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US3367820A (en) * 1963-02-01 1968-02-06 Weyerhaeuser Co Reinforced moldable wood fiber mat and method of making the same
DE1653161A1 (de) * 1966-05-21 1971-01-21 Friedrich Bilger Armierung von Holzstoffplatten sowie Pressplatten und Formteilen mit Holzanteilen
DE1945779A1 (de) * 1968-09-10 1970-04-02 Ibus Werke Gmbh Faserverstaerkte Platte sowie Verfahren und Vorrichtung zu deren endlosen Herstellung
US4058580A (en) * 1974-12-02 1977-11-15 Flanders Robert D Process for making a reinforced board from lignocellulosic particles
DE2523670B2 (de) * 1975-05-28 1978-11-02 Feldmuehle Ag, 4000 Duesseldorf Verfahren zum kontinuierlichen Herstellen und gleichzeitigem Beschichten von Spanplatten, die mit mindestens einer Decklage aus kunstharzgetränktem Papier belegt sind
US4364984A (en) * 1981-01-23 1982-12-21 Bison-Werke, Bahre & Greten Gmbh & Co., Kg Surfaced oriented strand board
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
FI101869B1 (fi) * 1997-02-07 1998-09-15 Sunds Defibrator Loviisa Oy Menetelmä ja laitteisto rakennetuoteaihion valmistamiseksi ja rakennetuoteaihio
AT407507B (de) * 1997-12-18 2001-04-25 Oesterreichische Homogenholz G Holzspanplatte mit hoher biegefestigkeit und hohem biege-e-modul
DE10001227C1 (de) * 2000-01-13 2001-05-31 Kronotec Ag OSB-Paneel
DE10300247B4 (de) * 2003-01-03 2006-11-23 Kronotec Ag Holzwerkstoffplatte
DE102004038543B4 (de) * 2004-08-06 2008-10-09 Fritz Egger Gmbh & Co. Verfahren und Vorrichtung zur Herstellung eines Holzwerkstoffkörpers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4241133A (en) * 1979-04-02 1980-12-23 Board Of Control Of Michigan Technological University Structural members of composite wood material and process for making same
US4355754A (en) * 1981-05-18 1982-10-26 Board Of Control Of Michigan Technological University Structural members comprised of composite wood material and having zones of diverse density
WO2000068527A1 (fr) * 1999-05-08 2000-11-16 Tannhaeuser Gunter Panneau de montage rapide et de decoffrage et procede permettant de le dresser et procede et dispositif permettant de le produire

Also Published As

Publication number Publication date
PL1754583T3 (pl) 2017-10-31
DE102005038833B4 (de) 2010-06-17
EP1754583A1 (fr) 2007-02-21
ES2633537T3 (es) 2017-09-21
DE102005038833A1 (de) 2007-02-22

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