Bulked polyester heteroyarns

Details Bulked polyester heteroyarns Bulked polyester heteroyarns

1974-02-21

1976-04-06

Watkins, Donald E.

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57140BY, 57157F, D02G 328, D02G 326

Patent

active

039480330

ABSTRACT:
A bulked polyester continuous filament heteroyarn composed of uncrimped filaments and helically crimped filaments, and having alternating compact and loopy zones. The helically crimped filaments include homofilaments (e.g., false-twist bulked) and heterofilaments.

REFERENCES:
patent: 2985995 (1961-05-01), Bunting et al.
patent: 3091913 (1963-06-01), Field
patent: 3208125 (1965-09-01), Hall et al.
patent: 3423923 (1969-01-01), Hume
patent: 3691750 (1972-09-01), Waters
patent: 3732684 (1973-05-01), Csok et al.

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