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EP0592013A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

A decorative thermosetting laminate

Assignee: Perstorp AB
•
Filing: 1989-08-24
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Granted: —
•
Expires: 2009-08-24
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Abstract

Abstract 1. A decorative thermosetting laminate for floors with an extremely increased abrasion resistance comprising a base layer, at least two patterned decor sheets of paper and possibly at least one unpatterned paper sheet, all these paper sheets being impregnated with a thermosetting resin and firmly bonded to the base layer, the paper material of these sheets being transparent and at least one of the patterned or unpatterned transparent paper sheets being provided with a resin coated surface having small hard particles evenly distributed over said surface. A patterned paper sheet is placed as the uppermost sheet in the laminate, said decor sheets being provided with the same pattern and placed on top of each other in such a manner that the corresponding parts of the pattern of the sheets coincide at least mainly but preferably fully with each other, whereby the pattern at abrasion of one decor sheet will be repeated in the the next decor sheet.

Inventors

  • 👤 Kent Olov Lindgren
  • 👤 Alf Harald Hasselqvist

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 18:59
CPC Classifications
B; B32; B32B; B32B21/00; B32B21/02; B32B27/00; B32B27/04; B32B21/04; B32B21/06; B32B29/00; B32B29/002; B32B29/005; B32B29/06; B44; B44C; B44C5/00; B44C5/04; B44C5/0469; B44C5/0476; D; D21; D21H; D21H27/00; D21H27/18; D21H27/22; D21H27/26; D21H27/28; D21H27/30; D21H27/38; B32B2250/00; B32B2250/26; B32B2260/00; B32B2260/02; B32B2260/028; B32B2260/04; B32B2260/046; B32B2307/00; B32B2307/40; B32B2307/412; B32B2307/50; B32B2307/554; B32B2317/00; B32B2317/12; B32B2419/00; B32B2451/00; Y; Y10; Y10S; Y10S428/00; Y10S428/918; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T428/00; Y10T428/25; Y10T428/259; Y10T428/26; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964; Y10T428/31967; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 157 words
A decorative thermosetting laminate for floors with an extremely increased abrasion resistance comprising a base layer, at least two patterned decor sheets of paper and possibly at least one unpatterned paper sheet, all these paper sheets being impregnated with a thermosetting resin and firmly bonded to the base layer, the paper material of these sheets being transparent and at least one of the patterned or unpatterned transparent paper sheets being provided with a resin coated surface having small hard particles evenly distributed over said surface, wherein a patterned paper sheet is placed as the uppermost sheet in the laminate, said decor sheets being provided with the same pattern and placed on top of each other in such a manner that the corresponding parts of the pattern of the sheets coincide at least mainly but preferably fully with each other, whereby the pattern at abrasion of one decor sheet will be repeated in the the next decor sheet.
Claim 2
Dependent Claim 17 words
A laminate according to claim 1, wherein the paper material of the decor sheets consists of α-cellulose.
Claim 3
Dependent Claim 22 words
A laminate according to claim 2, wherein the decor sheets are calandered or prepared in another way to make the printing possible.
Claim 4
Dependent Claim 28 words
A laminate according to any one of claims 1 to 3, wherein unpatterned, transparent paper sheet or sheets are placed between the patterned transparent decor sheets of paper.
Claim 5
Dependent Claim 24 words
A laminate according to any one of the claims 1 to 4, wherein the hard particles consist of silica, aluminium oxide and/or silicon carbide.
Claim 6
Dependent Claim 23 words
A laminate according to claim 5, wherein the hard particles have an average particle size of about 1-80 µm, preferably about 5-60 µm.
Claim 7
Dependent Claim 24 words
A laminate according to any one of claims 1 to 6, wherein the base layer consists of a particle board or a fibre board.
Claim 8
Dependent Claim 45 words
A laminate according to any one of claims 1 to 6, wherein the base layer consists of one or more paper sheets impregnated with a thermosetting resin, which sheets have been bonded together and with the transparent paper sheets by curing under heat and pressure.
Claim 9
Dependent Claim 30 words
A laminate according to any one of claims 1 to 8, wherein the abrasion resistance of said laminate is at least 7500 revolutions (IP-point), preferably at least 10000 revolutions (IP-point).

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