发明名称 |
Sealed storage battery and method of producing same |
摘要 |
A sealed storage battery includes a battery case containing a group of electric power-generating elements each comprising a positive electrode, a negative electrode and a separator, a battery case lid closing an opening in the battery case to seal the battery case, and a safety valve of the assembling type mounted on the battery case lid. The safety valve is welded to the battery case lid. With this construction, a hermetic seal at an area of contact between the safety valve and the battery case lid is enhanced, and also the reliability of the safety valve is enhanced.
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申请公布号 |
US6255013(B1) |
申请公布日期 |
2001.07.03 |
申请号 |
US19980066672 |
申请日期 |
1998.04.28 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
MARUKAWA SHUHEI;INOUE HIROSHI;HAMADA SHINJI;IKOMA MUNEHISA |
分类号 |
H01M2/04;H01M2/02;H01M2/12;H01M2/36;(IPC1-7):H01M2/12 |
主分类号 |
H01M2/04 |
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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