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EP1413695B1 - Plaque support - Google Patents

Plaque support Download PDF

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Publication number
EP1413695B1
EP1413695B1 EP03018186A EP03018186A EP1413695B1 EP 1413695 B1 EP1413695 B1 EP 1413695B1 EP 03018186 A EP03018186 A EP 03018186A EP 03018186 A EP03018186 A EP 03018186A EP 1413695 B1 EP1413695 B1 EP 1413695B1
Authority
EP
European Patent Office
Prior art keywords
supporting plate
density
plate
carrier plate
layer
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.)
Expired - Lifetime
Application number
EP03018186A
Other languages
German (de)
English (en)
Other versions
EP1413695A3 (fr
EP1413695A2 (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.)
Flooring Technologies Ltd
Original Assignee
Flooring Technologies Ltd
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 Flooring Technologies Ltd filed Critical Flooring Technologies Ltd
Publication of EP1413695A2 publication Critical patent/EP1413695A2/fr
Publication of EP1413695A3 publication Critical patent/EP1413695A3/fr
Application granted granted Critical
Publication of EP1413695B1 publication Critical patent/EP1413695B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0107—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
    • E04F2201/0115—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges with snap action of the edge connectors

Definitions

  • the invention relates to a carrier plate of binders and a wood material according to the preamble of claim 1 and a panel with such a carrier plate.
  • Such a support plate is particularly suitable for a floor panel.
  • HDF boards with a specific weight of more than 850 kg / m 3 are regularly used as a carrier board in the laminate floor area. Such relatively heavy carrier plates increase transport costs and make laying difficult.
  • the WO 99/66152 A1 describes a locking system for mechanically locking floor panels along a vertical connection plane. On the sides of the floor panel locking means for locking a plurality of support plates are provided with each other in both vertical and in the horizontal direction.
  • the material used can be plywood, plywood or fiberboard.
  • the WO 92/13688 describes a process for the production of wood fiber boards, in which the raw material subjected to defibration, then glued in a blow pipe with an aqueous binder liquor and the resulting glued fiber material is scattered after drying to the required residual moisture to mat webs and pressed under pressure and temperature to plates.
  • the gluing is carried out with a liquor having a solids content of 20 to 35% by weight, and a quantity of binder is used which amounts to less than 10% by weight of solid resin based on the total amount of fiber material calculated atroute.
  • the DE 295 21 729 U1 describes a floor covering with a support plate of a wood material and with an intermediate layer which consists of a wood veneer and with a wood veneer protective surface layer, wherein the wood veneer is bonded directly to the support plate.
  • the support plate may be formed from an MDF or HDF material and be provided for flush connection to adjacent surface elements with tongue and groove.
  • the US 4,268,565 describes a furniture part with contours embossed therein with a base layer of cellulosic fibers and a binder, the base layer has a density in a range of 160 to 561 kg / m 3 , with an integrally formed boundary layer with a density between 641 and 881 kg / m 3 Density.
  • the US 4,175,150 describes a high density fiberboard with a lower density core, the core having a density between 160 and 561 kg / m 3 , while the density at an outer layer is between 641 and 881 kg / m 3 .
  • the EP 0 262 537 A2 describes an isocyanate polyester for the production of plate-shaped, cellulose-containing components, in particular chipboard, fiberboard or OSB boards.
  • the insert is proposed in fibreboards with a density between 64 and 70 kg / m 3 .
  • the US 6,376,582 B1 describes a fiberboard and a manufacturing method for a fiberboard.
  • Different binders are provided, for example isocyanates or polyurethane resin.
  • the binder content may be between 3 and 30% by weight, preferably between 8 and 20% by weight, based on the total amount of the acetylated and untreated wood fibers.
  • the density of the fiberboard is for example between 500 and 900 kg / m 3 .
  • the US 6,006,486 describes a carrier plate for connection to a second carrier plate with means for detachably connecting the two carrier plates, wherein on at least one side edge of the first carrier plate interlocking elements for locking in the vertical direction and / or in the transverse direction are formed with the further carrier plate:
  • MDF medium density fiberboard "1996, DRW-Verlag , describes basic plate properties of a medium-density fiberboard.
  • MDF boards are preferably produced with a uniform density distribution.
  • lightweight MDF boards are produced where the aim is to achieve a great differentiation in the density profile between the cover and middle layers, as in the case of a chipboard.
  • a plate density of 750 kg / m 3 a minimum gluing value of 7% is provided in the middle layer.
  • Mombecher "Holzlexikon” DRW-Verlag defines medium-density fiberboard as fiberboards with a bulk density of more than 350 g / m 2 to 800 g / m 3 , which are mainly produced by the dry process in thicknesses between 6 and 25 mm.
  • the plates have a very homogeneous structure, the narrow surfaces are easier to work with than chipboard.
  • the gluing factor is usually 7% in the top layer and 5% in the middle layer.
  • the WO 98/24605 A1 describes a method of using recycled lignocellulosic materials which are subjected to high shear forces in a water or steam atmosphere at a temperature between 40 ° C and 120 ° C.
  • binders are supplied.
  • Typical resinous binders are UF resins, MUF resins, MF resins, PF resins, RF resins, TF resins and PMDI binders, and mixtures thereof.
  • the resins can be used in a range between 5 and 15% based on atro-fibers.
  • the JP-11291203 A1 describes the production of a woody, decorative plate in which an MDF board is milled or abraded on its one outer side or the MDF board is divided in the middle and the sub-board thus machined with the unprocessed original outer side is glued onto a support plate.
  • a decorative paper is laid over the softer, outer surface of the glued MDF board and glued to the glued MDF part plate.
  • a mechanical embossing is performed, supplemented by a pickling process.
  • the object of the invention is to produce a carrier plate of binders and fillers, which on the one hand is easy to handle and on the other hand has sufficient strength.
  • the support plate Due to the design of the support plate with a density of less than 700 kg / m 3 with simultaneous Beleimungsmine greater than 10% is achieved that the support plate has almost plastic-like properties in terms of weight and strength, but the material use due to the embedded wood materials, preferably fibers, essential is lower.
  • the invention provides that the support plate has a non-uniform density distribution over the cross section from the top to the bottom, wherein the top and bottom cover layers have a density in the range of 1000 kg / m 3 , whereas the middle layers in cross section to 400 kg / m 3 to 600 kg / m 3 are compressed.
  • the high density on the top and bottom sides ensures that a high level of resistance to vertical, mechanical stress is achieved, as is required, for example, when using floor panels.
  • a panel with such a carrier plate is provided on the top and the bottom in each case with a finishing layer, which usually consists of a melaningetränkten decorative layer or Gegenzug harsh to additionally protect the carrier plate from mechanical damage.
  • a finishing layer which usually consists of a melaningetränkten decorative layer or Gegenzug harsh to additionally protect the carrier plate from mechanical damage.
  • a mixture of isocyanates and UF or MUF resins is used as gluing of the wood materials or fibers and the carrier plate.
  • a further embodiment provides that the carrier plate has a density between 400 kg / m 3 and 650 kg / m 3 , whereby an optimal strength in relation to the density and the use of material is effected.
  • isocyanates Due to their high heat resistance, isocyanates also offer the possibility of achieving higher gluing factors. Also, by the addition of isocyanates, the strength is maintained during a heat-intensive coating of the backing plate, since the exclusive use of urea resins tends to cause the backing plate to lose strength during coating.
  • the increase of the gluing factor leads to an improved moisture resistance, since the reduced proportion of wood material in the plates reduces the tendency for the carrier plate to swell.
  • the penetration of moisture in the region of the connection points of two support plates or two floor panels leads to a swelling of the support plates in this area and thus to a destruction of the floor.
  • the carrier plate according to the invention and a floor panel made therewith are suitable due to the lower swelling tendency (less than 5%), especially for use in damp rooms.
  • FIG. 1 shows in cross section a floor panel 10 with a support plate 1, on the top 15 and bottom 5 each have a final layer 16, 6 is applied.
  • the final layers 16, 6 are applied to the outer end of the support plate 1 forming cover layers 7, 17, preferably glued and protect the support plate 1, for example, against moisture and mechanical stress.
  • these end layers 6, 16 may have a decor and increase the mechanical stability of the floor panel 10.
  • the carrier plate 1 is made of a fiber material, which is usually used for the production of HDF boards, alternatively or additionally other wood materials are incorporated.
  • the cover layers 7, 17 of the carrier plate 1 have a substantially higher density, with densities of up to 1000 kg / m 3 being achieved in the cover layers 7, 17.
  • the density decreases continuously to the center M of the support plate 1, wherein a corresponding density distribution over the thickness d of a support plate 1 in the FIG. 2 is shown. It can be seen that the lowest value for the density ⁇ in the center M of the carrier plate is achieved, while the thickness d of the carrier plate from the center M, starting from the Density ⁇ is increased in order to reach its maximum on the surfaces of the cover layers 7, 17.
  • the support plate 1 Due to the extremely high density in the cover layers 7, 17 in the range of 1000 kg / m 3 , the support plate 1 is given the necessary resistance to vertical, mechanical stresses, in combination with the use of UF or MUF resins, in admixture with Isocyanates, a special flexibility is generated within the plate.
  • the addition of isocyanates improves the moisture resistance of the carrier plate 1, so that the essential properties of the carrier plate 1 are determined by the resins used or introduced plastics.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Floor Finish (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Buffer Packaging (AREA)
  • Pallets (AREA)

Claims (3)

  1. Plaque de support, en particulier pour un panneau de plancher, présentant au moins un liant pour lier des matières de charge qui sont en un matériau bois, la plaque de support (1) étant munie de moyens pour une liaison amovible avec au moins une autre plaque de support (1), des éléments de liaison par forme conjuguée (2, 3) étant formés sur au moins un bord latéral de la plaque de support (1) pour le verrouillage en direction verticale (V) et/ou en direction transverse (Q) avec l'autre plaque de support, la plaque de support (1) présentant une distribution de densité inégale en coupe depuis la face supérieure (15) jusqu'à la face inférieure (5), caractérisée en ce que la plaque de support (1) présente une densité inférieure à 700 kg/m3 et il y a une couche (16) d'une densité de 1000 kg/m3 sur la face supérieure (15) et/ou la face inférieure (5) de la plaque de support (1), tandis qu'il y a une densité allant de 400 kg/m3 à 600 kg/m3 au centre (M) de la plaque de support (1) et le facteur de colle de la plaque de support (1) est supérieur à 10 % en poids de liant par rapport aux fibres anhydres et la colle des fibres de la plaque de support (1) est un mélange à base d'isocyanates et de résines UF ou MUF.
  2. Plaque de support selon la revendication 1, caractérisée en ce que la plaque de support (1) présente une densité comprise entre 400 et 650 kg/m3.
  3. Panneau (10) comprenant une plaque de support (1) selon l'une des revendications précédentes, caractérisé en ce que la plaque de support (1) présente une couche finale (6, 16) respectivement agencée sur une face supérieure (5) et une face inférieure (5) de la plaque de support (1).
EP03018186A 2002-10-24 2003-08-09 Plaque support Expired - Lifetime EP1413695B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10249581A DE10249581A1 (de) 2002-10-24 2002-10-24 Trägerplatte
DE10249581 2002-10-24

Publications (3)

Publication Number Publication Date
EP1413695A2 EP1413695A2 (fr) 2004-04-28
EP1413695A3 EP1413695A3 (fr) 2004-12-15
EP1413695B1 true EP1413695B1 (fr) 2010-12-22

Family

ID=32049585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03018186A Expired - Lifetime EP1413695B1 (fr) 2002-10-24 2003-08-09 Plaque support

Country Status (4)

Country Link
EP (1) EP1413695B1 (fr)
AT (1) ATE492701T1 (fr)
DE (2) DE10249581A1 (fr)
ES (1) ES2355209T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10252866B3 (de) * 2002-11-12 2004-04-29 Kronotec Ag Paneel und Verfahren zur Herstellung eines Paneels
DE102006048174A1 (de) 2006-10-10 2008-04-17 Robert Bosch Gmbh Einspritzsystem und Verfahren zum Betreiben eines Einspritzsystems

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992013688A1 (fr) * 1991-02-08 1992-08-20 Österreichische Hiag-Werke Gesellschaft Mbh Procede de fabrication de panneaux de fibres de bois
DE19600478A1 (de) * 1996-01-09 1997-08-07 Glunz Ag Verfahren zur Herstellung einer leichten mitteldichten Faserplatte
WO1998024605A1 (fr) * 1996-12-02 1998-06-11 Marlit Ltd. Procede d'utilisation de matieres composites lignocellulosiques recyclees
JPH11291203A (ja) * 1998-04-09 1999-10-26 Daiken Trade & Ind Co Ltd 木質化粧板の製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4175150A (en) * 1976-11-05 1979-11-20 Masonite Corporation Urea containing high density skin fiberboard with a low density core
US4268565A (en) * 1977-07-28 1981-05-19 Masonite Corporation Post-press molding of man-made boards to produce contoured furniture parts
CA1331247C (fr) * 1986-09-29 1994-08-02 Michael G. Israel Liant isocyanate-polyol de type polyester, utilise pour la fabrication de composites lignocellulosiques
DE29521729U1 (de) * 1995-10-19 1998-06-18 Hülsta-Werke Hüls GmbH & Co KG, 48703 Stadtlohn Bodenbelag mit Echtholz-Furnier
BE1010487A6 (nl) * 1996-06-11 1998-10-06 Unilin Beheer Bv Vloerbekleding bestaande uit harde vloerpanelen en werkwijze voor het vervaardigen van dergelijke vloerpanelen.
JP2000280208A (ja) * 1999-03-29 2000-10-10 Yamaha Corp 木質繊維板及びその製造法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992013688A1 (fr) * 1991-02-08 1992-08-20 Österreichische Hiag-Werke Gesellschaft Mbh Procede de fabrication de panneaux de fibres de bois
DE19600478A1 (de) * 1996-01-09 1997-08-07 Glunz Ag Verfahren zur Herstellung einer leichten mitteldichten Faserplatte
WO1998024605A1 (fr) * 1996-12-02 1998-06-11 Marlit Ltd. Procede d'utilisation de matieres composites lignocellulosiques recyclees
JPH11291203A (ja) * 1998-04-09 1999-10-26 Daiken Trade & Ind Co Ltd 木質化粧板の製造方法

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DIPL. HOLZW. CHRISTIAN BOEHME: "Die Bedeutung des Rohdichteprofils für MDF", 7 June 1991, MOBIL OIL AG, BAD GRIESBACH *
HANSGERT SOINÉ: "Holzwerkstoffe", 1995, DRW-VERLAG WEINBRENNER GMBH & CO., LEINFELDEN-ECHTERDINGEN, 340 *
HANS-JOACHIM DEPPE, KURT ERNST: "MDF - Mitteldichte Faserplatten", 1996, DRW-VERLAG WEINBRENNER GMBH & CO., LEINFELDEN-ECHTERDINGEN, 329 *
RUDOLF MOMBÄCHER: "Holz-Lexikon", 1988, DRW-VERLAG STUTTGART, LEINFELDEN-ECHTERDINGEN, 318 *

Also Published As

Publication number Publication date
EP1413695A3 (fr) 2004-12-15
ATE492701T1 (de) 2011-01-15
DE10249581A1 (de) 2004-05-13
ES2355209T3 (es) 2011-03-23
DE50313343D1 (de) 2011-02-03
EP1413695A2 (fr) 2004-04-28

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