发明名称 |
Forging work method |
摘要 |
A metallic plate member is provided. A first punch is operable to perform a first forging work to mold a first member in the plate member. The first member has a first function. A second punch is operable to perform a second forging work to mold a second member in the plate member. The second member including at least one kind of positioning member. The first forging work and the second forging work are performed at a single stage.
|
申请公布号 |
US7127929(B2) |
申请公布日期 |
2006.10.31 |
申请号 |
US20030647115 |
申请日期 |
2003.08.25 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
AKAHANE FUJIO;TAKASHIMA NAGAMITSU;HAKEDA KAZUSHIGE;UESUGI RYOJI;KUREBAYASHI AKIHARU |
分类号 |
B21D28/32;B21C37/02;B21D22/02;B21D22/04;B21D28/00;B21D28/24;B21J5/00;B21J5/02;B21J5/06;B21J5/12;B41J2/16 |
主分类号 |
B21D28/32 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|