发明名称 |
Roll-formed product and vehicle bumper using the same |
摘要 |
A roll-formed product is formed from a steel sheet having a tensile strength of not greater than 400 MPa and is locally reinforced. Such a roll-formed product is excellent in formability and shock absorbing ability and is of high strength. The roll-formed product can be used as, for example, a vehicle bumper. The roll-formed vehicle bumper can also be made at a lower cost.
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申请公布号 |
US6325431(B1) |
申请公布日期 |
2001.12.04 |
申请号 |
US20000556322 |
申请日期 |
2000.04.24 |
申请人 |
AISIN SEIKI KABUSHIKI KAISHA |
发明人 |
ITO HARUKI |
分类号 |
B60R19/04;B21D5/08;B60R19/18;(IPC1-7):B60R19/18;E04C3/32 |
主分类号 |
B60R19/04 |
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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