发明名称 |
METHOD OF MAKING A HARDENED SHEET METAL PART |
摘要 |
In a method of making a hardened sheet metal part, a blank is cut to form a region defined by at least one cutting edge having a cutting depth which is smaller than a material thickness of the blank. The blank is subjected to a hot forming step and at least in one area is allowed to harden. After the hot forming step, the region is pushed along the cutting edge.
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申请公布号 |
US2009101249(A1) |
申请公布日期 |
2009.04.23 |
申请号 |
US20080255199 |
申请日期 |
2008.10.21 |
申请人 |
BENTELER AUTOMOBILTECHNIK GMBH |
发明人 |
GOSMANN STEFAN;KOSTER JOSEF;LUTKEMEIER OLIVER |
分类号 |
C21D8/00 |
主分类号 |
C21D8/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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