Apparatus for monitoring yarn travel at a multiple spindle spinn

Details Apparatus for monitoring yarn travel at a multiple spindle spinn Apparatus for monitoring yarn travel at a multiple spindle spinn

1978-06-05

1979-04-24

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Monitor and record

57 81, 57304, D01H 1332, D01H 1100, D01H 1316

Patent

active

041505336

ABSTRACT:
An apparatus for monitoring yarn travel at a multiple spindle spinning machine which is equipped with a suction device servicing at least one group of the spindles. In a collecting channel of the suction device there is arranged a probe which upon passage therepast of fiber flocks or the like delivers an electrical signal to an evaluation circuit equipped with a periodically resettable signal counter having pre-settable counter value and an alarm device. The alarm device can be switched-in by means of a further cumulative counter with a higher, pre-set counter value. This further cumulative counter is coupled by means of a logic circuit with the periodically resettable signal counter in such a manner that the cumulative counter is reset whenever there is missing once or twice a signal from the periodically resettable signal counter.

REFERENCES:
patent: 2976556 (1961-03-01), Reiterer
patent: 2976668 (1961-03-01), Reiterer
patent: 3950925 (1976-04-01), Igel

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