Textiles: manufacturing – Textile product fabrication or treatment – Fiber entangling and interlocking
Patent
1993-11-03
1996-01-09
Calvert, John J.
Textiles: manufacturing
Textile product fabrication or treatment
Fiber entangling and interlocking
428 85, 28111, B32B 502
Patent
active
054817862
ABSTRACT:
A tufted fabric (1) devoid of external chemical binders is formed by crosslapping a carded web of fibers (10) onto a back side (15) of a tufted primary backing (12), the opposed front side (19) of which having tufts (17) projecting therethrough, while it is transported by a conveyor (46) feeding into a first needle loom (20). Fibers in the primary backing and in the carded web of fibers are then entangled by the first needle loom and by a second needle loom (36), whereby the carded web of fibers meshes with the primary backing to form a carpet backing (58) of sufficient weight and integrity to replace a conventional carpet underpad. The carpet backing is a blend of preferably homogenous fibers wherein the primary backing and the carded web of fibers are indistinguishable from one another. The tufted fabric may then be dyed and dried through a heat treatment, which, if the tufted fabric includes binder fibers, causes a fusion bond between the fibers in the carpet backing and between the carpet backing and the tufts.
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Needle Punched Carpets with Pole and Texture-Textile Manufacturer, Oct. 1971, vol. 98 No. 1161 pp. 50-51.
Millwood Jimmy E.
Smith Charles W.
Calvert John J.
Spartan Mills
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