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Document Number
US Patent 4591532
Issued Date
May 27, 1986
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Abstract
A flooring to be used for vehicles, vessels, etc. The flooring comprises a lowermost rubber layer which makes direct contact with a floor board of a vehicle, a surface layer which constitutes a surface layer portion of the flooring and an intermediate layer interposed between the lowermost layer and the surface layer. The lowermost rubber layer contains a hydrate which discharges water of crystallization at the temperature of 150.degree.-300.degree. C. and accordingly prevents rise of surface temperature by discharging water of crystallization in case of fire in a vehicle and the intermediate layer checks heat conduction from the lowermost layer and thus rise of surface temperature of flooring can be controlled for many hours.
Drawing
Flooring - US Patent 4591532 Drawing
Drawing from US Patent 4591532
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Number of Claims:
3
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Published
May 27, 1986
Application Number
06/776,147
Filed
September 13, 1985
US Classification
428/493   428/920 428/921
Int'l Classification
B32B   25/00   (20060101)   B32B   25/10   (20060101)   B60N   3/04   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
Priority Data
Sep 25, 1984 [JP] 59-200200
USPTO Field of Search
180/90.6   296/1F   15/215   156/156   156/214   156/72   156/242   428/34   428/67   428/74   428/76   428/78   428/493   428/920   428/921  
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Description
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