Composite yarns

Details Composite yarns Composite yarns

1974-03-14

1976-11-16

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57 34HS, 57152, 57157TS, 57160, 57163, D02G 102, D02G 332

Patent

active

039915484

ABSTRACT:
A composite yarn consisting of an elastomeric yarn intermingled with a non-elastomeric multifilament yarn and a process for its manufacture comprising the steps of: feeding an elastomeric yarn and a non-elastomeric multifilament yarn through a draw zone adapted to temporarily stretch the elastomeric yarn and to draw the non-elastomeric multifilament yarn and false twisting the elastomeric yarn and the non-elastomeric multifilament yarn together to form a false twisted doubled yarn to a heat setting treatment at a temperature below that at which the elastomeric yarn elasticity would be substantially destroyed.

REFERENCES:
patent: 3501819 (1970-03-01), Satterwhite
patent: 3540204 (1970-11-01), Tanaka et al.
patent: 3577873 (1971-05-01), Waters
patent: 3691750 (1972-09-01), Waters
patent: 3763640 (1973-10-01), Nagel et al.
patent: 3807162 (1974-04-01), Tsujita et al.
patent: 3844103 (1974-10-01), Sasaki et al.

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