Intermittently bulked yarn

Details Intermittently bulked yarn Intermittently bulked yarn

1976-02-09

1977-12-27

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

28276, 57157F, D02G 324, D02G 334, D02G 116

Patent

active

040646866

ABSTRACT:
A bulk yarn formed from a plurality of multi-filament yarns having alternating compact and open segments. The compact segments include first and second plaited portions which are twisted in opposite directions. The open segments of the yarn are defined by loosely bundled multi-filament yarn. The apparatus for bulking the yarn includes an elongated housing having a longitudinal bore extending therethrough. Pressurized air passes through diametrically opposed passages for contacting the yarn as it passes through the bore for producing the bulking effect thereon.

REFERENCES:
patent: 3389444 (1968-06-01), Fletcher et al.
patent: 3417445 (1968-12-01), Gemeinhardt et al.
patent: 3477220 (1969-11-01), Marshall
patent: 3568426 (1971-03-01), Whitley
patent: 3823541 (1974-07-01), Buzano
patent: 3846968 (1974-11-01), Sheehan et al.

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