Method for forming a workpiece by a magnetic field generated by a current impulse
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United States of America Patent
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Sep 29, 1998
Grant Date -
N/A
app pub date -
Nov 15, 1996
filing date -
Jan 27, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for forming and joining workpieces by a magnetic field produced by a current impulse applied through a high current loop, whereby the magnetic field exerts a force from outside on an electrically conducting workpiece or on electrically conducting compression rings encircling the workpiece, wherein the current impulse begins in the form of a half sine wave defined by the equation (.omega.t=0 . . . .pi.); and then fades away as defined by the equation (.omega.t>.pi. . . . .infin.).
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