Method of fabricating pressed components
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United States of America Patent
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Jun 9, 2009
Grant Date -
Nov 25, 2004
app pub date -
May 18, 2004
filing date -
May 21, 2003
priority date (Note) -
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Abstract
A simpler and less expensive method of fabricating pressed components from sheet steel that can be heat treated while inside the press, whereby the material is heated to above its transformation point Ac3, pressed, and cooled, controlled, to below its crystalline-transformation point. The sheet is unwound from a coil (1), heated to above its transformation point, pressed in a press, and separated.
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