| 发明名称 |
BLANK FOR FORMED BODY |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a blank for forming a formed body having a boss part of light weight and high quality with a forging. SOLUTION: This blank is peculiarly formed as a recessed shape toward the center part of the blank at least at a part in the one or more sides from a line connecting the corner parts of a polygon in the formed body.
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| 申请公布号 |
JP2002086244(A) |
申请公布日期 |
2002.03.26 |
| 申请号 |
JP20000273982 |
申请日期 |
2000.09.08 |
| 申请人 |
TOKYO SEITANKOSHO:KK;HITACHI METALS LTD |
发明人 |
SEKI SHINJI;TANIIKE SHIGEHIRO;WATANABE HIROSHI;HAMA YASUO |
| 分类号 |
B21D22/20;B21J5/00;B21J5/02;B21K21/02;B21K21/04;(IPC1-7):B21K21/02 |
主分类号 |
B21D22/20 |
| 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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