Device and method for reshaping bar-shaped materials particularly for drawing and extruding
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United States of America Patent
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Aug 21, 2007
Grant Date -
Jun 15, 2006
app pub date -
Oct 21, 2002
filing date -
Oct 21, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for reforming rod-shaped, electrically conductive and/or magnetizable materials, in particular for drawing and extruding, having the following features: the apparatus has a female mold having a die, which forms the tool for reforming; the apparatus has an inductor of an electric linear motor, by means of which a traveling electric field can be produced; the inductor includes at least one first group at least with first coils; the first coils in the first group are arranged axially next to one another and thus form a channel; using the inductor it is possible to produce a traveling field in the channel which has a magnetic flux density having a gradient in the axial direction of the channel, which has an amplitude of greater than B=1 T.
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