Process for forming densified tufted carpet tiles by shrinking p

Details Process for forming densified tufted carpet tiles by shrinking p Process for forming densified tufted carpet tiles by shrinking p

1985-06-17

1986-04-01

McCamish, Marion C.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

156 72, 156 84, 428 96, 428 97, B32B 302, B32B 3300

Patent

active

045797633

ABSTRACT:
A heat-shrinkable backing material, which preferably is a spun-bonded polyolefin backing material, is tufted with a relatively heat stable yarn and the tufted backing is subjected to a temperature of not less than 300.degree. F. The applied temperature induces the tufted backing to shrink, thereby increasing the tuft density by not less than about 130% so as to produce an unbacked, densely tufted carpet tile. A secondary backing is then applied to provide a stable structure.

REFERENCES:
patent: 2988800 (1961-06-01), White

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