Process of producing slivers for open-end spinning

Details Process of producing slivers for open-end spinning Process of producing slivers for open-end spinning

1976-05-26

1977-10-04

Newton, Dorsey

Textiles: fiber preparation

Assembling

Silver forming

19159R, 19163, D01G 1546

Patent

active

040515753

ABSTRACT:
A process of producing slivers for open-end spinning of wool or synthetic yarn and being characterized by eliminating the necessity for repeated doublings and draftings of the sliver while providing the desired uniform fiber distribution and weight in the sliver and yarn. Stock material is carded, then cross-lapped to reorient the fiber distribution, and again carded for producing a fiber web. This web is divided into relatively narrow rovings or strips of fibers and oriented into groups containing alternate strips of fibers from across the width of the fiber web. The respective strips of fibers from each such group are combined and formed into a sliver.

REFERENCES:
patent: 382908 (1888-05-01), Scholes
patent: 2964801 (1960-12-01), Riehl et al.
patent: 3815179 (1974-06-01), Moore et al.

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