Method for forming a slub yarn

Details Method for forming a slub yarn Method for forming a slub yarn

1985-04-23

1988-04-12

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

28271, 57208, 57209, 57288, 57350, D02G 334, D02G 336, D02J 106

Patent

active

047365781

ABSTRACT:
A method for forming a slub yarn uses conventional false-twist texturing apparatus in combination with one or more air jets to impart striations and/or neps and slubs to continuous filament yarns. Three process configurations are disclosed; each configuration uses one air jet through which yarn passes and which directs turbulent air in a direction opposite to the direction of travel of the yarn.

REFERENCES:
patent: 3093878 (1963-06-01), Fieldman
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patent: 3332125 (1967-07-01), Davis et al.
patent: 3473315 (1969-10-01), Lenoir
patent: 3474613 (1969-10-01), Joarder et al.
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patent: 3973386 (1976-08-01), Gorrafa
patent: 4218869 (1980-08-01), Newton
patent: 4305245 (1981-12-01), Eschenbach
patent: 4311000 (1982-01-01), London, Jr. et al.
patent: 4343071 (1982-08-01), Schroder
patent: 4351148 (1982-09-01), Eschenbach

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