Process for producing textured yarn

Details Process for producing textured yarn Process for producing textured yarn

1976-04-28

1978-06-20

Mackey, Robert R.

Textiles: manufacturing

Thread finishing

Surface modification of running length

28255, D02G 112, D02G 116

Patent

active

040953173

ABSTRACT:
Multifilament synthetic polymer yarn is texturized by passing the yarn in a gas stream to a diffuser zone to cause the gas to expand and the yarn filaments to splay open. The yarn filaments are then separated from the expanding gas stream towards a continuous smooth side wall surface defining one end of a bulking chamber. At this end of the chamber the filaments are impacted with each other and the smooth wall surface to form a compact yarn mass. This yarn mass is pushed into and through a slotted portion of the bulking chamber. Simultaneously the gas passes through the yarn mass initially formed in the chamber and then discharges laterally from this mass as it is pushed into the slotted portion.

REFERENCES:
patent: 3343240 (1967-09-01), Parmeggiani et al.
patent: 3409956 (1968-11-01), Longbottom et al.
patent: 3559254 (1971-02-01), Stanley
patent: 3693222 (1972-09-01), Caffry
patent: 3707745 (1973-01-01), Nikkel
patent: 3810285 (1974-05-01), Ferrier et al.
patent: 3824656 (1974-07-01), Bauch
patent: 3840950 (1974-10-01), Stanley
patent: 3852857 (1974-12-01), Ethridge et al.
patent: 3895420 (1975-07-01), Sturtz et al.

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