Apparatus for the detection of breaks in moving threadlines

Details Apparatus for the detection of breaks in moving threadlines Apparatus for the detection of breaks in moving threadlines

1972-05-08

1976-01-13

Swisher, S. Clement

Communications: electrical

Systems

Call station

73160, G08B 2100

Patent

active

039328546

ABSTRACT:
An apparatus and method for detecting breaks in a travelling threadline of a synthetic filament is described. The motion of the threadline is monitored for speed by means of generating an electrical current by passage of the threadline across an idler roll. Increases or decreases in the speed of the threadline change the frequency of the electrical current generated, thereby providing means for signaling threadline speed changes such as occur in breaks and wrapping of the threadline.

REFERENCES:
patent: 2739276 (1973-06-01), Dornberger
patent: 2883733 (1959-04-01), Notarbartulo
patent: 3020621 (1962-02-01), Sacks
patent: 3456187 (1969-07-01), Schmidt

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