Stock material or miscellaneous articles – Pile or nap type surface or component – Particular backing structure or composition
Patent
1987-02-06
1987-10-27
McCamish, Marion C.
Stock material or miscellaneous articles
Pile or nap type surface or component
Particular backing structure or composition
156247, 156250, 156289, 156324, 156334, 156337, 428 96, 428489, 428 97, B32B 302, B32B 3300
Patent
active
047029501
ABSTRACT:
A carpet tile and method of production wherein the carpet tile comprises a carpet tile having a fibrous face, such as a tufted face, and a fibrous back surface secured to a primary backing and comprising three separate hot melt coating composition layers and a secondary backing on the back surface of the carpet tile. The carpet tile is produced by coating a thick backing layer of a rubber-modified bitumen coating composition onto a secondary backing sheet material and separately coating a first precoat layer comprising a hot melt petroleum resin or bitumen and a second layer comprising a hot melt bitumen composition containing a flexible vinyl adhesive resin, like ethylene vinyl acetate, onto a fibrous back surface of a carpet material having a primary backing sheet containing a fibrous face wear surface and laminating the surface of the second layer to the surface of the backing layer to provide a carpet tile having dimensional stability, good lay flat characteristics and capable of production by an in-line production method.
REFERENCES:
patent: 4242393 (1980-12-01), Leupen
patent: 4582554 (1986-04-01), Bell et al.
Claessen Johannes A. H.
Reece David S.
Slosberg David K.
Crowley Richard P.
Heuga Holding bv
McCamish Marion C.
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