Title:
SEALING STRUCTURE FOR SEALED POWER STORAGE DEVICE, SEALED POWER STORAGE DEVICE, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2016/031768
Kind Code:
A1
Abstract:
The present invention pertains to a sealing structure for causing an injection hole provided to a closing-off plate for closing off the opening of a case to be sealed using a sealing plug, wherein: the sealing plug is provided with a plate-shaped holding member to be joined to the closing-off plate and a press-fit member to be joined to the holding member. The sealing plate has a deep counterbore portion provided around the injection hole, and the press-fit member is provided with a base part to be joined with the holding member and a protruding part inserted into the injection hole. The diameter HD1 of the opening of the injection hole, the diameter PD1 of the boundary between the protruding part and the base part, and the diameter PD3 at the tip are such that diameter PD1 > diameter HD1 > PD3. A gap (L1) is provided between the base part and the bottom part of the deep counterbore part.
Inventors:
IWASAKI MIZUO (JP)
MOCHIDA YASUSHI (JP)
MUROI SHINYA (JP)
MOCHIDA YASUSHI (JP)
MUROI SHINYA (JP)
Application Number:
PCT/JP2015/073716
Publication Date:
March 03, 2016
Filing Date:
August 24, 2015
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
KOKOKU INTECH CO LTD (JP)
KOKOKU INTECH CO LTD (JP)
International Classes:
H01G11/80; H01G11/84; H01M50/147; H01M50/627; H01M10/058
Foreign References:
| JP2014093230A | 2014-05-19 | |||
| JP2014026865A | 2014-02-06 | |||
| JP2010157414A | 2010-07-15 |
Attorney, Agent or Firm:
SunCrest Patent and Trademark Attorneys (JP)
Patent business corporation Sun Crest international patent firm (JP)
Patent business corporation Sun Crest international patent firm (JP)
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