Bulked yarn and method of forming a bulked yarn

Details Bulked yarn and method of forming a bulked yarn Bulked yarn and method of forming a bulked yarn

1976-09-03

1977-11-22

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

28273, 57157F, D02G 334, D02G 116, D02G 324

Patent

active

040589684

ABSTRACT:
A method and apparatus for producing a composite bulked or texturized yarn having a generally uniformly bulked core yarn component of continuous filaments having groups of core yarn filaments extending outwardly from the core component in undulatory waves having substantially less filament density than the core component, and having a varyingly bulked effect yarn component of continuous filaments having groups of effect yarn filaments extending outwardly from the effect yarn component in undulatory waves such that the groups of effect yarn filaments form slubs at regions along the length of the composite yarn. The filaments forming the slubs return to each respective nucleus portion of the segment on each side of the slub. Selected filaments within the waves have different lengths so that the waves are comprised of filaments based at various distances from the core and are spaced from one another within the wave. The product is further characterized by the absence of closed or crunodal loops and by the undulatory shape of the waves.

REFERENCES:
patent: 3113413 (1963-12-01), Jacobs et al.
patent: 3253396 (1966-05-01), Fish
patent: 3328863 (1967-07-01), Cobb et al.
patent: 3381346 (1968-05-01), Benson
patent: 3457715 (1969-07-01), Eldridge et al.
patent: 3854313 (1974-12-01), Heichlinger

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