Severance control for sinuous wire forming machine

Cutting – Tool engages work during dwell of intermittent workfeed – Operation initiated by work-driven detector means to measure...

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83210, 83363, 83369, 83907, 72132, B21F 1100

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active

057274355

ABSTRACT:
Apparatus for cutting, from a continuously extending sinuously formed wire, a variably selected predetermined length thereof having a plurality of sinuously formed generally identical coils, which apparatus comprises a frame, a mechanism on said frame for severing the sinuously formed wire, a track on said frame for guiding travel of the sinuously formed wire to the wire severing mechanism, and a control connected to the wire severing mechanism and including a sensing circuit for generating countable electrical pulses in response to wire travel relative to the wire severing mechanism, and a counting circuit operable to receive the countable electrical pulses and, in response to receipt of a predetermined number thereof, to generate an actuating signal effective to cause action of the wire severing mechanism to sever the wire.

REFERENCES:
patent: 3481520 (1969-12-01), Pickering
patent: 3654830 (1972-04-01), Werner, Jr.
patent: 3715944 (1973-02-01), Knechtel et al.
patent: 3757552 (1973-09-01), Ritter et al.
patent: 3760669 (1973-09-01), Rosenthal et al.
patent: 3942112 (1976-03-01), Westbrook
patent: 3948125 (1976-04-01), Hujer et al.
patent: 3972214 (1976-08-01), Jagersberger
patent: 3978703 (1976-09-01), Primich et al.
patent: 4688708 (1987-08-01), Irvine et al.
patent: 5007270 (1991-04-01), Wallis
Frank L. Wells Company, "Sinuous Wire Forming . . . with unparalleled speed and flexibility . . . ".

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