Variable diameter yarn

Details Variable diameter yarn Variable diameter yarn

1977-03-31

1978-08-01

Queisser, Richard C.

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57157TS, D02G 326, D02G 334

Patent

active

041034813

ABSTRACT:
A variable diameter "thick-thin" effect yarn having a characteristically long thin twisted segment of low voluminosity in which the twist alternates to run first in one S- or Z-direction and then reverses over a zero twist point to run in the opposite direction, said twisted segment of the yarn alternating with a thick or bulky and substantially non-twisted, false twist texturized segment of high voluminosity. The process and apparatus for producing this effect yarn are also described in detail.

REFERENCES:
patent: 3977173 (1976-08-01), Kosaka et al.
patent: 3978647 (1976-09-01), Kosaka et al.

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