Process for forming a yarn using a partially oriented carrier fi

Details Process for forming a yarn using a partially oriented carrier fi Process for forming a yarn using a partially oriented carrier fi

1979-10-04

1982-11-23

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

57 6, 57310, D02G 336

Patent

active

043598560

ABSTRACT:
The invention provides a process and apparatus for forming a yarn of at least two separate continuous filaments and a plurality of fibers. At least one of the filaments is of a partially oriented thermoplastic material such that when a twisting force is applied, a retained twist is obtained due to inter-molecular slippage in the partially oriented filament.

REFERENCES:
patent: 3439491 (1969-04-01), Scruggs
patent: 3835638 (1974-09-01), Mayer et al.
patent: 3845611 (1974-11-01), Senturk et al.
patent: 4028871 (1977-06-01), Ashenbrenner
patent: 4083173 (1978-04-01), Artzt et al.
patent: 4209965 (1980-07-01), Bobkowicz
patent: 4244174 (1981-01-01), Bobkowicz

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