EP1522648B1 - Elément de paroi plat en cellulose - Google Patents

Elément de paroi plat en cellulose Download PDF

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Publication number
EP1522648B1
EP1522648B1 EP04104942A EP04104942A EP1522648B1 EP 1522648 B1 EP1522648 B1 EP 1522648B1 EP 04104942 A EP04104942 A EP 04104942A EP 04104942 A EP04104942 A EP 04104942A EP 1522648 B1 EP1522648 B1 EP 1522648B1
Authority
EP
European Patent Office
Prior art keywords
wall panel
layer
paper
cardboard
layers
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
EP04104942A
Other languages
German (de)
English (en)
Other versions
EP1522648A1 (fr
Inventor
Wilhelmus Jan Reinier Karel Snel
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.)
Unda Maris BV
Original Assignee
Unda Maris BV
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 Unda Maris BV filed Critical Unda Maris BV
Publication of EP1522648A1 publication Critical patent/EP1522648A1/fr
Application granted granted Critical
Publication of EP1522648B1 publication Critical patent/EP1522648B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/3405—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by profiled spacer sheets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/3405—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by profiled spacer sheets
    • E04C2002/3444—Corrugated sheets
    • E04C2002/345—Corrugated sheets with triangular corrugations

Definitions

  • the invention relates to a flat wall panel at least substantially made of cellulose material, wherein the wall panel is at least substantially made of layers of paper/cardboard, each layer at least substantially being made up of a corrugated sublayer and a flat sublayer provided on one side thereof, which layers of paper/cardboard are interconnected via an adhesive, wherein the wall panel is impregnated, and wherein at least one strengthening layer having a greater elasticity modulus than the layers of paper/cardboard is provided, which strengthening layer is connected to a layer of paper/cardboard on one side of the wall panel via an adhesive.
  • the invention also relates to a method for manufacturing said wall panel.
  • Such a wall panel is known from British patent publication no. 1,542,730 (Tri-Wall Containers Ltd).
  • a flame resistant, fire retardant material is mentioned, particularly containing a borax or an ammonium based compound, said material being applied through a dipping process.
  • a disadvantage of this known wall panel is that in practice it suffers from a lack of constructional stiffness, which severely limits its practical use.
  • the object of the invention is to improve the wall panel that is known from the aforesaid British patent publication, in the sense that a wall panel having an optimum constructional stiffness is provided for use as a construction element of a building, as a wall panel in, for example, a separation wall, etc.
  • the term wall panel is understood to include an element for use in a wall, a floor, a ceiling, a roof, etc.
  • a wall panel of the kind referred to in the introduction is characterized in that the wall panel is impregnated with a resinous material, and that the wall panel is at least substantially made of an even number of layers of paper/cardboard, wherein the wall panel is mirror symmetrical with respect to a central longitudinal plane of the wall panel, said at least one strengthening layer having an elasticity modulus greater than or equal to 50 GPA.
  • a plate-shaped material which is hardly deformable, if at all, wherein "warping" is prevented at all times.
  • the constructional stiffness is increased even further by using a strengthening layer having an elasticity modulus greater than or equal to 100 GPA, in particular greater than or equal to 150 GPA, more in particular greater than or equal to 200 GPA, more in particular greater than or equal to 300 GPA, more in particular greater than or equal to 400 GPA.
  • the aforesaid resinous material with which the wall panel according to the invention is impregnated is preferably an epoxy resin, a polyurethane resin, a polyester resin or a phenol resin. Fire-resistant and/or fire-retarding agents may be added thereto.
  • the resinous material with which the wall panel according to the invention is impregnated also functions as an adhesive for adhering two layers of paper/cardboard together, so that a separate adhesive, such as a glue, is not required.
  • sets consisting of a corrugated sublayer and a flat sublayer provided on one side thereof, which sublayers are already impregnated with the resinous material, can be placed on top of each other so as to be adhered together (after the resinous material has dried).
  • the wall panel comprises two strengthening layers, which are connected to a layer of paper/cardboard on either side of the wall panel via an adhesive.
  • impregnating the wall panel with, for example, a resinous material not only has the advantage of providing a greater constructional stiffness, but also of providing protection against external influences, such as moisture.
  • Said impregnation preferably takes place by means of vapour deposition, spraying or otherwise, said vapour deposition or spraying taking place in a direction parallel to the direction of the "cell structure" of the corrugated paper/cardboard that is used.
  • Said impregnation may also be effected with mechanical means, wherein toothed and/or flat rollers are used for pressing the impregnating medium into the paper/cardboard.
  • the strengthening layer comprise a fibre material.
  • the fibre material consists of glass fibres, carbon fibres, mineral fibres and/or synthetic fibres.
  • Said synthetic fibres may e.g. be fibres of the type known under the brand names "Kevlar” or "Twaron”.
  • the strengthening layer comprises a layer of a plastic material.
  • the plastic of said layer of plastic material is preferably selected from the group consisting of PVC-U, PP, PE, ABS, PVC-C and PVDF. It is noted that the above abbreviations relate to the following (plastic) materials.
  • the strengthening layer comprises a layer of rubber.
  • the rubber of said layer of rubber is preferably selected from the group consisting of EPDM or NBR.
  • the strengthening layer is made of a metal, in particular stainless steel, or wood.
  • the invention also relates to a method for manufacturing a wall panel according to the invention wherein the wall panel is at least substantially made of an even number of layers of paper/cardboard, each layer at least substantially being made up of a corrugated sublayer and a flat sublayer provided on one side thereof, which layers of paper/cardboard are interconnected via an adhesive applied to the corrugations of the corrugated sublayers, wherein the wall panel is impregnated, with a resinous material, wherein at least one strengthening layer having a greater elasticity modulus than the layers of paper/cardboard is provided, which strengthening layer is connected to a layer of paper/cardboard on one side of the wall panel via an adhesive, and wherein the wall panel is mirror symmetrical with respect to a central longitudinal plane of the wall panel, said at least one strengthening layer having an elasticity modulus greater than or equal to 50 GPA.
  • paper is usually used for lighter types of paper; in the case of a heavier quality, the term cardboard is frequently used.
  • the terms paper, cardboard and weight are not intended to be limitative as regards the type of material to be used.
  • Fig. 1 is a schematic, perspective view of the present wall panel
  • Fig. 2 is a detail view of Fig. 1
  • Fig. 3 is an exploded view of the wall panel of Fig. 1.
  • the figure shows a flat wall panel 1 according to the invention in the form of a sandwich", in the sense that a core 2 built up of several layers of corrugated cardboard is connected on either side to a less elastic strengthening layer 3 of a thin material having an elasticity modulus of about 400 Gpa.
  • corrugated cardboard four layers of corrugated cardboard are provided, which are each built up of corrugated sublayer 4 and a flat sublayer 5 glued to one side thereof, using a glue applied to the corrugations 6 of the corrugated sublayer 4.
  • the core 2 is impregnated with a resinous material.
  • the strengthening layers 3 are glued to both sides of the core 2.
  • the wall panel 1 is mirror symmetrical with respect to a central longitudinal plane 7 of the wall panel 1.
  • the wall panel may exhibit a (slight) curvature, whilst the wall panel may also comprise a curved longitudinal edge.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Panels For Use In Building Construction (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Claims (9)

  1. Panneau plat (1) de cloison formé au moins pratiquement d'un matériau à base de cellulose, dans lequel le panneau de cloison (1) est constitué au moins pratiquement de couches de papier-carton, chaque couche (4) étant constituée au moins pratiquement d'une sous-couche ondulée (5) et d'une sous-couche plate disposée d'un côté de la précédente, et les couches de papier-carton sont interconnectées par un adhésif, dans lequel le panneau de cloison (1) est imprégné, et dans lequel une couche de renforcement au moins (3) ayant un module d'élasticité supérieur à celui des couches de papier-carton est incorporée, et la couche de renforcement (3) est raccordée à une couche de papier carton d'un côté du panneau de cloison (1) par un adhésif, caractérisé en ce que le panneau de cloison (1) est imprégné d'un matériau résineux, et en ce que le panneau de cloison (1) est au moins pratiquement constitué d'un nombre pair de couches de papier-carton, et le panneau de cloison (1) présente une symétrie spéculaire par rapport à un plan longitudinal central (7) du panneau de cloison (1), la couche de renforcement au moins (3) ayant un module d'élasticité supérieur ou égal à 50 GPa.
  2. Panneau de cloison (1) selon la revendication 1, dans lequel deux couches de renforcement (3) sont incorporées et sont raccordées par un adhésif à une couche de papier-carton de chaque côté du panneau de cloison (1).
  3. Panneau de cloison (1) selon la revendication 1 ou 2, dans lequel la couche ou les couches de renforcement (3) comprennent un matériau fibreux,
  4. Panneau de cloison (1) selon la revendication 3, dans lequel le matériau fibreux est constitué de fibres de verre, de fibres de carbone, de fibres minérales et/ou de fibres synthétiques.
  5. Panneau de cloison (1) selon l'une quelconque des revendications précédentes 1 à 4, dans lequel la couche ou les couches de renforcement (3) comprennent une couche de matière plastique.
  6. Panneau de cloison (1) selon l'une quelconque des revendications précédentes 1 à 5, dans lequel la couche ou les couches de renforcement (3) comprennent une couche de caoutchouc.
  7. Panneau de cloison (1) selon l'une quelconque des revendications précédentes 1 à 6, dans lequel la couche ou les couches de renforcement (3) sont formées de métal.
  8. Panneau de cloison (1) selon l'une quelconque des revendications précédentes 1 à 7, dans lequel la couche ou les couches de renforcement (3) sont formées de bois.
  9. Procédé de fabrication d'un panneau plat de cloison (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le panneau de cloison (1) est formé au moins pratiquement d'un nombre pair de couches de papier-carton, chaque couche au moins étant pratiquement constituée d'une sous-couche ondulée (4) et d'une sous-couche plate (5) placée d'un côté de la précédente, les couches de papier-carton étant interconnectées par un adhésif appliqué aux ondulations (6) des sous-couches ondulées (4), en ce que le panneau de cloison (1) est imprégné d'un matériau résineux, en ce qu'au moins une couche de renforcement (3) ayant un module d'élasticité supérieur à celui des couches de papier-carbone est incorporé, cette couche de renforcement (3) étant raccordée à une couche de papier-carton d'un premier côté du panneau de cloison (1) par un adhésif, et en ce que le panneau de cloison (1) présente une symétrie spéculaire par rapport à un plan longitudinal central (7) du panneau de cloison (1), la couche de renforcement au moins (3) ayant un module d'élasticité supérieur ou égal à 50 GPa.
EP04104942A 2003-10-10 2004-10-08 Elément de paroi plat en cellulose Expired - Lifetime EP1522648B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1024505 2003-10-10
NL1024505A NL1024505C2 (nl) 2003-10-10 2003-10-10 Althans in hoofdzaak uit cellulose materiaal vervaardigd vlak wandpaneel.

Publications (2)

Publication Number Publication Date
EP1522648A1 EP1522648A1 (fr) 2005-04-13
EP1522648B1 true EP1522648B1 (fr) 2007-02-14

Family

ID=33448539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04104942A Expired - Lifetime EP1522648B1 (fr) 2003-10-10 2004-10-08 Elément de paroi plat en cellulose

Country Status (6)

Country Link
US (1) US20050138879A1 (fr)
EP (1) EP1522648B1 (fr)
AT (1) ATE354005T1 (fr)
CA (1) CA2484414A1 (fr)
DE (1) DE602004004717T2 (fr)
NL (1) NL1024505C2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2000111C2 (nl) * 2006-06-21 2007-12-27 Unda Maris Holding N V Voor personen toegankelijk gebouw.
US20080053022A1 (en) * 2006-07-13 2008-03-06 Marschke Carl R Hollow core floor and deck element
DK2283190T3 (da) * 2008-03-28 2021-02-08 Noble Environmental Tech Corporation Konstruerede formede fiberpladepaneler, fremgangsmåder til fremstilling af panelerne, og produkter fremstillet fra panelerne
EP2678490B1 (fr) * 2011-02-25 2019-01-02 Meyer, Yvonne Élément structural léger porteur
ITMI20120771A1 (it) * 2012-05-08 2013-11-09 Politec Polimeri Tecnici Sa Elemento strutturale trasparente per coperture
US20150004371A1 (en) * 2013-06-28 2015-01-01 Noble Environmental Technologies Corporation Composite structural panels and components
KR102094969B1 (ko) * 2013-08-13 2020-03-31 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시 장치
US9676165B2 (en) * 2013-11-27 2017-06-13 Liberty Diversified International, Inc. Structural batten
DE102013021801B4 (de) * 2013-12-23 2019-10-31 Rainer Köppen Becken für ein Schwimmbad oder einen Teich
AU201612585S (en) * 2016-05-13 2016-06-03 Smart Walling Systems Pty Ltd Modular Wall Panel with Integral Form Work

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB600607A (en) * 1944-03-29 1948-04-14 Parnall & Sons Ltd An improved method of manufacture of reinforced partitions or the like
GB1100951A (en) * 1963-05-02 1968-01-31 Goole Plastic Homes Ltd Improvements in laminar building components
US3542636A (en) * 1965-07-28 1970-11-24 Kurt Wandel Corrugated board
DE2026768A1 (de) 1969-11-07 1971-05-19 Universal Papertech Corp Gebäude
GB1542730A (en) * 1977-12-02 1979-03-21 Tri Wall Containers Ltd Panel
US4351870A (en) * 1979-10-22 1982-09-28 English Jr Edgar Maximized strength-to-weight ratio panel material
US4886696A (en) * 1988-05-10 1989-12-12 Manville Corporation Corrugated paperboard automotive liner
US5503903A (en) * 1993-09-16 1996-04-02 Indiana Acoustical Components Automotive headliner panel and method of making same
US5425207A (en) * 1994-02-22 1995-06-20 Shayman; Harry I. Method of constructing buildings and other structures using corrugated material
NL1015909C2 (nl) * 2000-08-10 2002-02-12 Snel Golfkarton B V Althans in hoofdzaak uit cellulose materiaal vervaardigd wandelement.
US20040123555A1 (en) * 2002-12-26 2004-07-01 Cole Jefferson Anthony Pre manufactured structural panel consisting of a flame retardant external crust and an aeroboard core fabricated from laminations of uncompressed cardboard, impregnated by resin solutions recovered from post consumer thermoplastics

Also Published As

Publication number Publication date
DE602004004717T2 (de) 2007-11-22
NL1024505C2 (nl) 2004-10-04
DE602004004717D1 (de) 2007-03-29
EP1522648A1 (fr) 2005-04-13
CA2484414A1 (fr) 2005-04-10
ATE354005T1 (de) 2007-03-15
US20050138879A1 (en) 2005-06-30

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