发明名称 |
SQUARE BATTERY CONTAINER, METHOD OF MANUFACTURING THE CONTAINER, AND SQUARE BATTERY USING THE CONTAINER |
摘要 |
A prismatic battery case with high dimensional precision is manufactured, while pursuing an improvement in productivity, with a manufacturing method of a prismatic battery case that includes a first step for molding an intermediate cup body (8) by impact molding a pellet (7) of prescribed shape, and a second step for molding a prismatic battery case (9) with a cross section of substantially rectangular shape by DI processing the intermediate cup body (8). The DI processing conducts drawing and ironing continuously, in one action. <IMAGE> |
申请公布号 |
EP1347519(A1) |
申请公布日期 |
2003.09.24 |
申请号 |
EP20010272337 |
申请日期 |
2001.12.26 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
UEDA, TOMOMICHI;KITAOKA, SUSUMU;MORI, KATSUHIKO;YAMASHITA, SHOJI;HIGASHI, KAZUYUKI;TOKUMOTO, TADAHIRO;HANO, MASATOSHI |
分类号 |
H01M2/02;H01M2/08;H01M6/10;H01M10/052;(IPC1-7):H01M2/02 |
主分类号 |
H01M2/02 |
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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