Machine for throwing and twisting yarns

Details Machine for throwing and twisting yarns Machine for throwing and twisting yarns

1979-01-31

1980-06-10

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Stopping or starting

57 84, 57 88, D01H 124, D01H 128, D01H 1314

Patent

active

042065887

ABSTRACT:
A yarn throwing and twisting machine has at each of a number of working positions two or more throwing spindles, a twisting spindle, a manually disengageable yarn feeder, and yarn break detectors. Pneumatic jacks are provided to disengage the spindles and feeder upon yarn breakage and are controlled by air supplied through a solenoid valve responsive to the yarn break detectors and by a manually operable valve between the throwing and twisting spindles. The solenoid valve is closed, however, upon manually disengagement of the yarn feeder for the purpose of allowing starting up at an individual working position after yarn breakage.

REFERENCES:
patent: 897129 (1908-08-01), Nightingale
patent: 2576936 (1951-12-01), Heffelfinger
patent: 2975584 (1961-03-01), Makant et al.
patent: 3003303 (1961-10-01), Wright
patent: 3501102 (1970-03-01), Long
patent: 3846965 (1974-11-01), Matsumura et al.

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