Textiles: spinning – twisting – and twining – Apparatus and processes – Stopping or starting
Patent
1979-09-24
1981-04-28
Watkins, Donald
Textiles: spinning, twisting, and twining
Apparatus and processes
Stopping or starting
57 81, 57304, D01H 1306
Patent
active
042637767
ABSTRACT:
A method and apparatus for reducing waste of supply strands passing to a series of yarn processing units, in which a detector moves along the yarn processing units alternately in a first direction and a second direction opposite from the first direction while sensing breakage of any one of a series of strands being delivered from the processing units and also sensing the direction of movement of the detector, and in response to sensing breakage of any strand, and irrespective of the direction of movement of the detector, passage of the corresponding supply strand is interrupted in its course to the corresponding yarn processing unit by a flowing stream of air being directed from a nozzle moving with the detector into engagement with a corresponding, normally inactive, strand interrupting member for actuating the same.
REFERENCES:
patent: 3413794 (1968-12-01), Bell et al.
patent: 3523413 (1970-08-01), Ford et al.
patent: 3659409 (1972-05-01), Saunders
patent: 3724192 (1973-04-01), Cardoz
patent: 3726072 (1973-04-01), Ford et al.
patent: 3740937 (1973-06-01), Drake
Parks-Cramer Company
Watkins Donald
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