Title:
密閉型電池
Document Type and Number:
Japanese Patent JP4290633
Kind Code:
B2
Abstract:
To provide a sealed battery provided with an electrolyte liquid injection port having a good sealing property.
The electrolyte liquid injection port 5 arranged at a wall face of a battery external container 2 or a battery header 3 of the sealed battery 1 has a small diameter part 5a facing the inside of the battery external container 2 and a large diameter part 5b facing the outside of the battery external container communicated with the small diameter part 5a. A first sealing body 6 made of metal is inserted into the small diameter part 5a, and a second sealing body 7 is welded to the large diameter part 5b.
COPYRIGHT: (C)2006,JPO&NCIPI
Inventors:
Yuichiro Mori
Kiyohide Takimoto
Kiyohide Takimoto
Application Number:
JP2004320187A
Publication Date:
July 08, 2009
Filing Date:
November 04, 2004
Export Citation:
Assignee:
NEC TOKIN CORPORATION
International Classes:
H01M2/36
Domestic Patent References:
| JP2090455A | ||||
| JP2065049A | ||||
| JP2000268811A | ||||
| JP2001313022A | ||||
| JP2004296195A | ||||
| JP2002535817A |
Attorney, Agent or Firm:
Akira Yonezawa
Ryukichi Abe
Hirukawa Masanobu
Norihiko Uchida
Hideo Sugai
Kenji Aoki
Hiroshi Nagisawa
Ryukichi Abe
Hirukawa Masanobu
Norihiko Uchida
Hideo Sugai
Kenji Aoki
Hiroshi Nagisawa