Method and device for drawing wire into a shearing station of a forming press
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United States of America Patent
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Oct 20, 1992
Grant Date -
N/A
app pub date -
Sep 26, 1990
filing date -
Sep 27, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus achieve the intermittent feeding of raw material into a shearing station by exerting a drive torque on draw-in rollers in order to effect their rotation in one arcuate direction and hence the movement of the raw material toward the shearing station. A counteracting torque, which is less than the drive torque, is continuously exerted on the draw-in rollers. Thus, during intervals following a shearing operation when the drive torque is terminated, the counteracting torque functions to reverse the rotation of the draw-in rollers and hence retract the sheared end of the raw material away from the shearing station.
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