Ironing dies
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United States of America Patent
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-
Mar 1, 2005
Grant Date -
Jul 4, 2002
app pub date -
Sep 25, 2001
filing date -
Dec 28, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In press forming including ironing, an elastically deformable material is used for a part of ironing die contacting to the work material under a higher pressure than designed, for taking the formed product out from the die easily in a case that the ironing die and the formed product are very close in size to each other, and thereby improving the efficiency of production.
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