Process for making composite yarn of continuous filaments and st

Details Process for making composite yarn of continuous filaments and st Process for making composite yarn of continuous filaments and st

1981-12-30

1983-09-13

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

D02G 338, D02G 342

Patent

active

044034709

ABSTRACT:
An improved process for making a composite yarn of staple fibers commingled with bulked continuous filaments comprises passing a yarn of crimped continuous filaments while under tension between nip rolls which advance the yarn into a splaying zone where the filaments are permitted to contract and splay of their own accord into an open three-dimensional filament network into which airborne staple fibers are projected for commingling with the filaments after which the open network is collapsed and the composite yarn is withdrawn at a slightly lower speed than that at which the nip rolls advance the feed yarn.

REFERENCES:
patent: 3043087 (1962-07-01), Breen et al.
patent: 3043088 (1962-07-01), Breen
patent: 3439491 (1969-04-01), Scruggs
patent: 3845611 (1974-11-01), Senturk
patent: 4359856 (1982-11-01), Bobkowicz

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