Plate reduction press apparatus and methods
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United States of America Patent
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Jul 13, 2004
Grant Date -
Sep 25, 2003
app pub date -
Mar 24, 2003
filing date -
Sep 16, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A material 1 to be shaped is reduced and formed by bringing dies with convex forming surfaces, when viewed from the side of the transfer line of the material 1, close to the transfer line from above and below the material 1, in synchronism with each other, while giving the dies a swinging motion in such a manner that the portions of the forming surfaces of the dies, in contact with the material 1, are transferred from the upstream to the downstream side in the direction of the transfer line.
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