Method for hydroforming and hydroformed product
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United States of America Patent
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Oct 30, 2012
Grant Date -
Jul 29, 2010
app pub date -
Jul 18, 2008
filing date -
Jul 18, 2008
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
The object is to raise the yield by greatly eliminating the disposed amounts of the tube ends, prevent wrinkles due to closing the mold while applying internal pressure, cutting the plurality of steps of hydroforming and pre-processing of the tube ends, cutting the mold costs by simplifying the mold mechanism, and obtaining a hydroformed product formed with a flange along its entire length.
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