Title:
POWER STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2015092443
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a power storage device capable of sealing a liquid injection hole with a sealing member.SOLUTION: In a secondary battery 10, a barrel part 21 of a sealing member 20 of a liquid injection hole 14c is inserted into the liquid injection hole 14c from the other end in the axial direction, and a caulking part 24 obtained by expanding the barrel part 21 in diameter from the inside is provided in a portion located in a case 11. The sealing member 20 is fastened to a lid 14 by the caulking part 24 and a flange 22, and a seal member 40 is nipped between the flange 22 and the lid 14. The seal member 20 has a groove 20a in a boundary between the barrel part 21 and the flange 22, and the secondary battery 10 has a relief space S including the groove 20a in order to release deformation of an inner peripheral part of the seal member 40 accompanying the nipping.
Inventors:
OKUDA MOTOAKI
INOUE HIROSHI
KURITA MIKIYA
NISHIHARA HIROYASU
INOUE HIROSHI
KURITA MIKIYA
NISHIHARA HIROYASU
Application Number:
JP2014003527A
Publication Date:
May 14, 2015
Filing Date:
January 10, 2014
Export Citation:
Assignee:
TOYOTA IND CORP
International Classes:
H01M2/36
Domestic Patent References:
| JP2013114799A | 2013-06-10 | |||
| JP2013089359A | 2013-05-13 | |||
| JP2013089322A | 2013-05-13 | |||
| JP2010277936A | 2010-12-09 | |||
| JP2013161711A | 2013-08-19 | |||
| JP2012128961A | 2012-07-05 | |||
| JP2000106156A | 2000-04-11 | |||
| JPH02304230A | 1990-12-18 |
Foreign References:
| US20030124420A1 | 2003-07-03 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda