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Title:
電池の製造方法および溶接装置および溶接用治具
Document Type and Number:
Japanese Patent JP5716455
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a battery manufacturing method, a welding device, and a welding jig, capable of preferably sealing a liquid injection hole with a small number of steps.SOLUTION: A laser welding device 1000 includes a laser oscillation device 1100 and a welding jig 1200. The welding jig 1200 includes a lower member 1300 and an upper member 1400. The lower member 1300 includes an air chamber 1300a, and a through hole 1302 is formed thereon. The upper member 1400 includes glass plates 1410, 1420 and an air chamber 1400a, and through holes 1402, 1412 are formed thereon. When laser welding is performed, air is sucked from the through hole 1302, thereby decompressing the insides of the air chamber 1300a and a battery container 110. A lid 170 is laser-welded to a liquid injection part 141 of a sealing plate 130.

Inventors:
Yasuhiko Nakagawa
Application Number:
JP2011043634A
Publication Date:
May 13, 2015
Filing Date:
March 01, 2011
Export Citation:
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Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
H01M2/36; B23K26/21; B23K26/28; B23K26/32
Domestic Patent References:
JP2003086240A
JP2001287074A
Attorney, Agent or Firm:
Patent Business Corporation Cosmos Patent Office