发明名称 |
METAL MEMBER MANUFACTURING METHOD, INDENTER AND METAL MEMBER MANUFACTURING APPARATUS |
摘要 |
Disclosed is a method for producing a metal member, which comprises a step of pressing a second portion of a metal material without pressing a first portion of the metal material, and a step of pressing the first portion without pressing the second portion. The metal material has a region for hole formation, in which a through hole is to be formed. The first portion and the second portion are contained in the region for hole formation. |
申请公布号 |
CA2738773(C) |
申请公布日期 |
2014.08.26 |
申请号 |
CA20092738773 |
申请日期 |
2009.04.16 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
NISHIMURA, TOSHIHIKO |
分类号 |
C21D7/02;B21D22/04;B23P9/04;B23P25/00 |
主分类号 |
C21D7/02 |
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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