Apparatus for obtaining self-twisted product

Details Apparatus for obtaining self-twisted product Apparatus for obtaining self-twisted product

1976-07-21

1977-10-25

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Web material

28271, 57 773, 57157F, D02G 328

Patent

active

040550397

ABSTRACT:
The apparatus for obtaining a self-twisted product from at least two filamentary strands relates to spinning equipment. The apparatus includes a mechanism for continuously feeding the strands, swirl chambers having each jet passages producing air swirls of opposite directions within these chambers and thus effecting the twisting of the strands, an arrangement for supplying air alternatingly into these jet passages, a device for uniting or plying the strands issuing from the chambers and a mechanism for winding the final product. In each swirl chamber, the jet passages are displaced relative to one another longitudinally of the chamber. In adjacent swirl chambers, the jet passages producing the air swirls of the same direction are arranged to that one of them is situated at the inlet end of its respective chamber, while the other one is situated at the outlet end of its chamber. In this way clogging of the jet passages is precluded, and the strength of the final product is increased.

REFERENCES:
patent: 2990671 (1961-07-01), Bunting, Jr. et al.
patent: 3279164 (1966-10-01), Breen et al.
patent: 3775955 (1973-12-01), Shah
patent: 3775958 (1973-12-01), Lloyd et al.

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