Ironing-deep drawing process
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United States of America Patent
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-
Jun 29, 2004
Grant Date -
Jul 4, 2002
app pub date -
Sep 24, 2001
filing date -
Dec 28, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A simultaneous two-sided iron-deep drawing process for producing vessels such as metal cans. After being used, the cans can easily be squashed. A difference in height between the inner die and the outer die or the profile radii of the two dies are varied so as to change the longitudinal wall strength of the vessel. The work material is held between the two dies so that both sides are simultaneously ironed and thereby a tubular structure is obtained.
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