Tufted carpeting

Details Tufted carpeting Tufted carpeting

1980-06-27

1981-12-15

McCamish, Marion

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

428198, B32B 302, B32B 3300, D04H 158

Patent

active

043059864

ABSTRACT:
Tufted carpeting having a prime, fabric backing, pile yarn on the front face of and anchored in said prime backing by a latex, a secondary backing covering the rear face of said prime backing and bonded thereto by the latex layer between said backings, said secondary backing being a non-woven fabric made of several, superposed layers of polyester and/or copolyester endless filaments or threads which are deposited in the layers in a tangled arrangement of individual filaments or threads and groups of two or more filaments or threads which lay in part parallel with each other, said filaments or threads being at least partly interbonded and laid in a crossed, parallel texture in the layers by heat and pressure or by a binder applied at spaced intervals, and the spacing between filaments and the applications of binder providing the secondary backing with an air permeability, measured at 0.5 mbar excess air pressure, of at least 120, preferably at least 500, dm.sup.3 m.sup.2 .multidot.s and a weight per unit area in the range of 4 to 150 grams per square meter.

REFERENCES:
patent: 3554854 (1971-01-01), Hartmann
patent: 4107374 (1978-08-01), Kusunose

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