EP1413695A2 - Plaque porteuse - Google Patents

Plaque porteuse Download PDF

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Publication number
EP1413695A2
EP1413695A2 EP03018186A EP03018186A EP1413695A2 EP 1413695 A2 EP1413695 A2 EP 1413695A2 EP 03018186 A EP03018186 A EP 03018186A EP 03018186 A EP03018186 A EP 03018186A EP 1413695 A2 EP1413695 A2 EP 1413695A2
Authority
EP
European Patent Office
Prior art keywords
carrier plate
support plate
density
plate
gluing
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
EP03018186A
Other languages
German (de)
English (en)
Other versions
EP1413695A3 (fr
EP1413695B1 (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
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
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.
  • a method for producing a lightweight, medium-density fiberboard is known in which the fiberboard is produced with a mean apparent density of less than 550 kg / m 3 of lignocellulose-containing fibers and Polyurethanleim as a binder.
  • the fibers are mixed with less than 4.0 wt .-% binder based on atro fibers.
  • 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 Beleimungs tint 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.
  • 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.
  • urea resins UPFs
  • melanin-reinforced urea resins UDF
  • isocyanates can be used as a gluing of the fiber in the support plate, wherein isocyanates with gluing factors of less than 20% are provided. 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.
  • a development of the invention provides that the carrier plate has a non-uniform density distribution over the cross section from the top to the bottom, wherein the cover layers located on the top or bottom have a density in the range of 1000 kg / m 3 , whereas the middle layers in cross section are compressed to 400 kg / m 3 - 600 kg / m 3 .
  • 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.
  • 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.
  • Figure 1 shows in cross-section a floor panel 10 with a support plate 1, on whose 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 continuously decreases to the center M of the carrier plate 1, wherein a corresponding density distribution over the thickness d of a carrier plate 1 in the figure 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, optionally mixed with isocyanates, a special flexibility can be 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)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Floor Finish (AREA)
  • Buffer Packaging (AREA)
  • Pallets (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Photoreceptors In Electrophotography (AREA)
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 true EP1413695A2 (fr) 2004-04-28
EP1413695A3 EP1413695A3 (fr) 2004-12-15
EP1413695B1 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1420127A3 (fr) * 2002-11-12 2005-10-19 Kronotec Ag Panneau et procédé de fabrication d'un panneau

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006048174A1 (de) 2006-10-10 2008-04-17 Robert Bosch Gmbh Einspritzsystem und Verfahren zum Betreiben eines Einspritzsystems

Family Cites Families (10)

* 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
AT403023B (de) * 1991-02-08 1997-10-27 Oesterr Hiag Werke Ag Verfahren zur herstellung von holzfaserplatten
DE29521729U1 (de) * 1995-10-19 1998-06-18 Hülsta-Werke Hüls GmbH & Co KG, 48703 Stadtlohn Bodenbelag mit Echtholz-Furnier
DE19600478A1 (de) * 1996-01-09 1997-08-07 Glunz Ag Verfahren zur Herstellung einer leichten mitteldichten Faserplatte
BE1010487A6 (nl) * 1996-06-11 1998-10-06 Unilin Beheer Bv Vloerbekleding bestaande uit harde vloerpanelen en werkwijze voor het vervaardigen van dergelijke vloerpanelen.
GB9625068D0 (en) * 1996-12-02 1997-01-22 Marlit Ltd Method for production of lignocellulosic composite materials
JPH11291203A (ja) * 1998-04-09 1999-10-26 Daiken Trade & Ind Co Ltd 木質化粧板の製造方法
JP2000280208A (ja) * 1999-03-29 2000-10-10 Yamaha Corp 木質繊維板及びその製造法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1420127A3 (fr) * 2002-11-12 2005-10-19 Kronotec Ag Panneau et procédé de fabrication d'un panneau

Also Published As

Publication number Publication date
DE10249581A1 (de) 2004-05-13
ES2355209T3 (es) 2011-03-23
DE50313343D1 (de) 2011-02-03
EP1413695A3 (fr) 2004-12-15
EP1413695B1 (fr) 2010-12-22
ATE492701T1 (de) 2011-01-15

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