Method and apparatus for preventing yarn breakage in ring spinni

Details Method and apparatus for preventing yarn breakage in ring spinni Method and apparatus for preventing yarn breakage in ring spinni

1975-02-12

1976-10-19

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Delivery twist type

57 34TT, 57156, D01H 138, D01H 914

Patent

active

039863263

ABSTRACT:
In a ring spinning machine, for preventing the presence of a loose yarn end lying on the yarn upstream of the traveler upon resumption of spinning after a full bobbin is replaced by an empty bobbin on the spindle, the ring rail, while the spindle is stationary, is raised to a position above the spin-start position and thereafter the rotation of the spindle is restarted for initiating a normal cop building operation, during the course of which the ring rail is reciprocated between the spin-start position and a highest spinning position.

REFERENCES:
patent: 2798356 (1957-07-01), Christiansson
patent: 3067566 (1962-12-01), Van Dreven et al.
patent: 3075342 (1967-01-01), Lohest et al.
patent: 3097475 (1963-07-01), Hooper et al.
patent: 3231309 (1966-01-01), Pray et al.
patent: 3256683 (1966-06-01), Andersen et al.

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