Air nozzle utilized for fasciated yarn spinning

Details Air nozzle utilized for fasciated yarn spinning Air nozzle utilized for fasciated yarn spinning

1982-12-21

1984-05-29

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

False twist device

57908, D02G 116

Patent

active

044506783

ABSTRACT:
An air nozzle, suitable for producing a fasciated yarn, having at least one jet in each of narrow and wide passages along the traveling direction of the fiber bundle. Each jet is directed to generate a vortex whirling reversely from that of the other passage. The twist imparted to the fiber bundle by the vortex generated in the wide passage is restrained by the vortex whirling reversely thereto in the narrow passage. As a result, circumferential fibers of the fiber bundle are less twisted relative to the core portion thereof. During the untwisting operation of the vortex of the wide passage, the circumferential fibers are entangled around the core portion with a twist corresponding to the difference from the core portion, thereby obtaining a well-fasciated yarn.

REFERENCES:
patent: 4064684 (1977-12-01), Nijhuis
patent: 4141121 (1979-02-01), Trifunovic

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