| 发明名称 |
BATTERY CASE AND ITS MANUFACTURING METHOD |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a battery case having high cooling effect and inexpensively manufactured, and also to provide its manufacturing method. <P>SOLUTION: The manufacturing method comprises processes of: fitting a metallic cylindrical material 13 having a specified inner diameter to a pillar-shaped mold punch 14 having the outer diameter equal to the inner diameter of the material 13; and forming a plurality of cooling fins 12 by drawing the outer periphery of the material 13 fit to the mold punch 14 with a drawing die 15. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
| 申请公布号 |
JP2005078805(A) |
申请公布日期 |
2005.03.24 |
| 申请号 |
JP20030209659 |
申请日期 |
2003.08.29 |
| 申请人 |
TOYOTA MOTOR CORP;MATSUSHITA ELECTRIC IND CO LTD;ASAHI-SEIKI MFG CO LTD;KOJIMA PRESS CO LTD |
发明人 |
ETO TOYOHIKO;KITAJIMA ISAO;KAWAI MASATAKA;SAEKI SOTOJI |
| 分类号 |
H01M2/02;H01M10/60;H01M10/613;H01M10/625;H01M10/6551;(IPC1-7):H01M2/02;H01M10/50 |
主分类号 |
H01M2/02 |
| 代理机构 |
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代理人 |
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