Manufacture of a metallic molded structural part
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United States of America Patent
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Oct 26, 1999
Grant Date -
N/A
app pub date -
Oct 14, 1997
filing date -
Oct 2, 1997
priority date (Note) -
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Abstract
The invention is directed to a process for the manufacture of a metallic molded structural part (1) for motor vehicle components such as door impact girders or bumpers with areas (2) with a higher ductility in relation to the rest of the structural component part. For this purpose, partial areas (2) of a plate (5) are initially heated to a temperature of 900.degree. C. within a period of less than 30 seconds. Subsequently, the thermal-treated plate (5') is shaped in a pressing tool (7) to form the molded structural part (1) and is heat-treated in the pressing tool (7).
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