Non-woven materials and a method of making them

Details Non-woven materials and a method of making them Non-woven materials and a method of making them

1975-02-04

1976-02-24

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

19155, 156178, 156181, D04H 308

Patent

active

039403025

ABSTRACT:
A non-woven web contains bicomponent filaments having a core of polypropylene and a sheath of specified copolyamides, together with polypropylene homofilaments, in which is embedded parallel yarns extending in its lengthwise direction. The yarns are composed of bicomponent filaments having a copolyamide sheath. The combination of properties of the product makes it suitable for use as a primary backing for tufted carpets.

REFERENCES:
patent: 2738298 (1956-03-01), David et al.
patent: 3449187 (1969-06-01), Bobkowicz
patent: 3511747 (1970-05-01), Davies
patent: 3551271 (1970-12-01), Thomas et al.
patent: 3639195 (1972-02-01), Sanders
patent: 3719546 (1973-03-01), Parlin

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