US2005138879A1PendingUtilityA1

Flat wall panel at least substantially made of cellulose material

43
Assignee: UNDA MARIS B VPriority: Oct 10, 2003Filed: Oct 8, 2004Published: Jun 30, 2005
Est. expiryOct 10, 2023(expired)· nominal 20-yr term from priority
Inventors:Wilhelmus Jan Reinier Karel Snel
E04C 2/3405E04C 2002/345
43
PatentIndex Score
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Claims

Abstract

A flat wall panel at least substantially made of cellulose material, a special feature being the fact that 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 applied to the corrugations of the corrugated sublayers, wherein the wall panel is impregnated, in particular with a resinous material, 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.

Claims

exact text as granted — not AI-modified
1 . A wall panel comprising: 
 at least one layer including a corrugated sublayer and a flat sub layer wherein flat sublayer is connected with corrugated sublayer; and    wherein the corrugated sublayer(s) and the flat sub layer(s) are composed of paper, cardboard or other material containing a high cellulose content; and    a strengthening layer adhesively connected to the paper/cardboard layer wherein the wall panel is impregnated with resinous material; and    wherein the strengthening layer has a greater elasticity modulus than the paper/cardboard layer.    
   
   
       2 . A wall panel according to  claim 1 , wherein a second strengthening layer is adhesively connected to the paper/cardboard layer thereby sandwiching the paper/cardboard layer between the two strengthening layers.  
   
   
       3 . A wall panel according to  claim 1  wherein the said strengthening layer is made of wood.  
   
   
       4 . A wall panel according to  claim 2  wherein the said strengthening layers are made of wood.  
   
   
       5 . A wall panel according to  claim 1  wherein the said strengthening layer is made of metal.  
   
   
       6 . A wall panel according to  claim 2  wherein the said strengthening layers are made of metal.  
   
   
       7 . A wall panel according to  claim 1  wherein the said strengthening layer is made of a fibre material.  
   
   
       8 . A wall panel according to  claim 2  wherein the said strengthening layers are made of a fibre material.  
   
   
       9 . A wall panel according to  claim 6  wherein the fibre material is selected from the group of glass fibres, carbon fires, mineral fibres, synthetic fibres.  
   
   
       10 . A wall panel according to  claim 7  wherein the fibre material is selected from the group of glass fibres, carbon fires, mineral fibres, synthetic fibres.  
   
   
       11 . A wall panel according to  claim 1 , wherein the said strengthening layer includes a layer of plastic material.  
   
   
       12 . A wall panel according to  claim 2 , wherein the said strengthening layer includes a layer of plastic material.  
   
   
       13 . A wall panel according to  claim 3 , wherein the said strengthening layer includes a layer of plastic material.  
   
   
       14 . A wall panel according to  claim 4 , wherein the said strengthening layer includes a layer of plastic material.  
   
   
       15 . A wall panel according to  claim 5 , wherein the said strengthening layer includes a layer of plastic material.  
   
   
       16 . A wall panel according to  claim 6 , wherein the said strengthening layer includes a layer of plastic material.  
   
   
       17 . A wall panel according to  claim 7 , wherein the said strengthening layer includes a layer of plastic material.  
   
   
       18 . A wall panel according to  claim 8 , wherein the said strengthening layer includes a layer of plastic material.  
   
   
       19 . A wall panel according to  claim 9 , wherein the said strengthening layer includes a layer of plastic material.  
   
   
       20 . A wall panel according to  claim 1 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       21 . A wall panel according to  claim 2 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       22 . A wall panel according to  claim 3 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       23 . A wall panel according to  claim 4 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       24 . A wall panel according to  claim 5 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       25 . A wall panel according to  claim 6 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       26 . A wall panel according to  claim 7 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       27 . A wall panel according to  claim 8 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       28 . A wall panel according to  claim 9 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       29 . A wall panel according to  claim 10 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       30 . A wall panel according to  claim 11 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       31 . A wall panel according to  claim 12 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       32 . A wall panel according to  claim 13 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       33 . A wall panel according to  claim 14 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       34 . A wall panel according to  claim 15 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       35 . A wall panel according to  claim 16 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       36 . A wall panel according to  claim 17 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       37 . A wall panel according to  claim 18 , wherein the said strengthening layer includes a layer of rubber.  
   
   
       38 . A wall panel according to  claim 19 , wherein the said strengthening layer includes a layer of rubber  
   
   
       39 . A wall panel according to  claim 2 , wherein the wall panel comprises an even number of layers.  
   
   
       40 . A wall panel according to  claim 39 , wherein the wall panel is mirror symmetrical with respect to a central longitudinal plane of the wall panel.  
   
   
       41 . A method for manufacturing the wall panel comprising: 
 interconnecting layers including a corrugated paper/cardboard sublayer and a flat paper/cardboard sublayer, wherein the layers are interconnected via adhesive applied to the corrugations of the corrugated sublayers,    connecting at least one strengthening layer having a greater elasticity modulus than the layers of paper/cardboard is connected to the paper/cardboard layer via an adhesive, wherein the wall is impregnated with a resinous material.

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