Roving and process for its manufacture

Details Roving and process for its manufacture Roving and process for its manufacture

1975-10-06

1977-06-14

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57160, D02G 326, D02G 338

Patent

active

040288749

ABSTRACT:
A roving is prepared by winding at least one filament yarn around a fiber strand which is untwisted and unsized and has a total titer of from 1,000 to 30,000 dtex. The filament yarn(s) used for winding have an elongation at break of less than 50% and a titer of less than 50 dtex. The length of cohesion of the roving is in the range of from 15 to 500 meters and one meter of the fiber strand is provided with 20 to 300 windings. The roving can be produced in simple manner and it is excellently suitable for the direct spinning of fine yarns.

REFERENCES:
patent: 2552210 (1951-05-01), Parker
patent: 3643416 (1972-02-01), Andrews et al.
patent: 3675409 (1972-07-01), Rosenstein
patent: 3722202 (1973-03-01), Indarte
patent: 3769787 (1973-11-01), Rosenstein et al.
patent: 3831369 (1974-08-01), Northup et al.
patent: 3857229 (1974-12-01), Marzocchi

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