Bitumen backed carpet tile and method of production

Details Bitumen backed carpet tile and method of production Bitumen backed carpet tile and method of production

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.

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