Title:
密閉型電池およびその製造方法
Document Type and Number:
Japanese Patent JP3746002
Kind Code:
B2
Abstract:
The invention provides a closed type battery wherein there is no need of joining a tab joined to a battery element and an external circuit connection lead to an electrode terminal provided on a battery can via an insulating member. After the battery element is received in the battery can, a tab joined to the battery element is inserted through a tab sleeve formed integrally with a metal sheet of the battery header. In this state, the battery header is attached over an opening in the battery can, and the junction of the battery header and the battery can is sealed up by laser welding. Finally, an insulating member is inserted over the inside surface of the sleeve, which is then caulked.
Inventors:
Tetsuhiro Ohsumi
Application Number:
JP2001392259A
Publication Date:
February 15, 2006
Filing Date:
December 25, 2001
Export Citation:
Assignee:
nec Tokin Tochigi Co., Ltd.
International Classes:
H01M10/05; H01M10/058; H01M50/119; H01M50/176; H01M50/553
Domestic Patent References:
| JP2150759U | ||||
| JP2001052680A | ||||
| JP52085923U | ||||
| JP63035256U | ||||
| JP2020275U | ||||
| JP8096777A | ||||
| JP11135100A | ||||
| JP2000077053A | ||||
| JP2001093485A |
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