Thread guard for spinning or twisting machine

Details Thread guard for spinning or twisting machine Thread guard for spinning or twisting machine

1982-11-22

1984-09-25

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Stopping or starting

57 81, 57 86, 57 87, D01H 1316

Patent

active

044729324

ABSTRACT:
A device attached to a spinning or twisting machine, designed to monitor the integrity of two threads merging under tension into a yarn, has a carrier in the form of a disk or a stem rotatable about an axis and provided with a thread guide such as an eyelet, or a pair of pins parallel to that axis, bracketing the yarn downstream of the merger point. A rupture of either thread, detected by a separate sensor or by one of the bracketing pins, generates or releases a force which rotates the carrier around its axis by about half a turn to impede the advance of the remaining intact thread whereby the latter also breaks and the machine is stopped automatically, or manually in response to an alarm signal.

REFERENCES:
patent: 2494490 (1950-01-01), Rinehart et al.
patent: 3163341 (1964-12-01), Fisher et al.
patent: 3759026 (1973-09-01), Hope
patent: 4110963 (1978-09-01), Plate et al.
patent: 4292798 (1981-10-01), Gore et al.

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