Reinforced primary backing for carpet

Details Reinforced primary backing for carpet Reinforced primary backing for carpet

1984-05-23

1985-12-03

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428 95, B32B 516

Patent

active

045566020

ABSTRACT:
A reinforced polypropylene primary backing for carpets and carpet tiles in which the polypropylene warp yarns have another synthetic yarn woven into the warp in order to increase the strength in the warp direction. The reinforcing yarn is a synthetic yarn which is non-stretchable or at least less stretchable than polypropylene when exposed to the temperatures developed during a hot melt resin process step during the manufacturing of tufted carpet.

REFERENCES:
patent: 4145467 (1979-03-01), Malik

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