Bitumen backed carpet tile and method of production

Stock material or miscellaneous articles – Pile or nap type surface or component – Particular backing structure or composition

Patent

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Details

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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