Open-end rotor spinning device with improved twist choking membe

Details Open-end rotor spinning device with improved twist choking membe Open-end rotor spinning device with improved twist choking membe

1988-07-15

1989-07-04

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57334, 57414, D01H 7882, D01H 1135

Patent

active

048438120

ABSTRACT:
In an open-end rotor spinning device having a rotatable spinning rotor and a coaxial yarn withdrawal navel mounted in a rotor cover, a tubular twist choking member is removably mounted rotatably in general airtight relation to the cover at an angle with respect to the rotor axis with a yarn withdrawal tube affixed coaxially to the twist choking member. A curved passageway extends longitudinally through the twist choking member with plural obliquely-arranged yarn deflection elements constricting the convex side of the passageway. The twist choking member and the yarn withdrawal tube may be selectivey positioned rotatably as a unit to achieve a desired effect on spinning stability and yarn quality.

REFERENCES:
patent: 4258541 (1981-03-01), Le Chatelier et al.
patent: 4458477 (1984-07-01), Raasch et al.
patent: 4499719 (1985-02-01), Faessler
patent: 4773211 (1988-09-01), Stahlecker et al.

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