Treatment for bulked continuous filament yarns

Details Treatment for bulked continuous filament yarns Treatment for bulked continuous filament yarns

1980-06-11

1982-03-16

Mackey, Robert

Textiles: manufacturing

Thread finishing

Surface modification of running length

28258, D02G 120

Patent

active

043193889

ABSTRACT:
A process for making yarns bulked in a hot fluid jet more uniform in bulk comprises cooling the hot and bulked yarn on a moving screen with a water mist followed by passing the wet yarn under a tension of 0.01-0.05 gpd through a turbulent forwarding jet of steam and then through a cooling stream of air which impinges perpendicularly on the yarn while the yarn is moving under slightly greater tension of about 0.02-0.15 gpd and then wound up under normal packaging tension.

REFERENCES:
patent: 3271943 (1966-09-01), Williams, Jr.
patent: 3537248 (1970-11-01), Berg et al.
patent: 3543358 (1970-12-01), Breen et al.
patent: 3563021 (1971-02-01), Gray
patent: 3703753 (1972-11-01), Binford et al.
patent: 3781949 (1974-01-01), Breen et al.
patent: 4069565 (1978-01-01), Negishi et al.

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