发明名称 |
METHOD OF MANUFACTURING A RECTANGULAR BATTERY |
摘要 |
<p>Method of manufacturing a prismatic battery wherein a sealing plate (2) is abutted to an upper open end of a prismatic case (1) in which power generating elements are housed, and laser beams (3a-3d) are moved along an abutment line (4) parallel to the straight line of each side (a, b, c, d), by which each side (a-d) of the abutment line (4) including each of the corners (e) is laser welded, thereby hermetically sealing the prismatic case (1). <IMAGE></p> |
申请公布号 |
EP0969534(A1) |
申请公布日期 |
2000.01.05 |
申请号 |
EP19980944281 |
申请日期 |
1998.09.28 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
HARAGUCHI, KAZUNORI;YOSHIZAWA, HIROSHI;NAKASHIMA, TAKUYA;TAKEUCHI, TAKASHI;SENOO, KIKUO |
分类号 |
B23K26/28;H01M2/02;H01M2/04;(IPC1-7):H01M2/04 |
主分类号 |
B23K26/28 |
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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