Method and apparatus for producing a fasciated yarn

Details Method and apparatus for producing a fasciated yarn Method and apparatus for producing a fasciated yarn

1983-05-12

1984-12-25

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

False twist device

57328, D02G 116

Patent

active

044895453

ABSTRACT:
A method and apparatus for producing a fasciated yarn, utilizing an air nozzle for false twisting a fiber bundle, provided with a fiber passage comprising an inlet portion, a small channel, and a large channel, characterized by the provision of at least a contact area in the inlet portion and/or the upstream region of the small channel. During the spinning operation, the fiber bundle is forced against the contact point, and, as a result, a twist imparted by a vortex can be effectively suppressed so that it does not ascend toward the upstream region.
Also, since the ballooning can be suppressed by the contact point, the size of the small channel can be increased, resulting in the sufficient suction air in the inlet portion.

REFERENCES:
patent: 4114358 (1978-09-01), Tsuchida et al.
patent: 4124972 (1978-11-01), Arai et al.

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