发明名称 |
BUMPER LEAN HOSE HAVING CLOSED SECTION OF GENERALLY B-SHAPE QUENCHED AFTER PRESS MOLDING |
摘要 |
A light-weight and highly safe bumper lean hose having a closed cross section of generally B-shape and used for increasing the safety of a car by increasing the rigidity of the body of the car or absorbing an energy at the time of collision, characterized in that a hardening treatment is applied thereto to increase the tensile strength of the material after forming in the steps of deeply drawing a steel sheet so as to form a hat shape at the sectionally center part thereof, trimming the outside thereof excluding unnecessary portions, press-forming a rise part at both sectional ends thereof, press-forming an L-shaped slanted rise part at both sectional ends thereof, pressing the steel sheet from both sectional sides thereof and then from the upper side thereof, and welding a connection part.
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申请公布号 |
WO02064277(A1) |
申请公布日期 |
2002.08.22 |
申请号 |
WO2001JP07046 |
申请日期 |
2001.08.15 |
申请人 |
FUTABA INDUSTRIAL CO.,LTD.;ANDO, SHOSHI;HISAMA, YOUICHI |
发明人 |
ANDO, SHOSHI;HISAMA, YOUICHI |
分类号 |
B21C37/15;B21D5/01;B21D53/88;B60R19/18;(IPC1-7):B21C37/15 |
主分类号 |
B21C37/15 |
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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