Title:
BATTERY CASE
Document Type and Number:
Japanese Patent JP2007323928
Kind Code:
A
Abstract:
To realize a battery case available even for a thin-width device while barrier ribs supporting the case will not be bent.
Barrier ribs 9c, 9d are reinforced by welding a holder member 22 in ultrasonic waves on them. In so doing, the battery case which can be used for a thin-width device by restraining the barrier ribs 9a to 9c from bending, without making the shape of the battery case 10 larger by increasing its thickness or bringing forth cost hike by using a material with high strength.
COPYRIGHT: (C)2008,JPO&INPIT
Inventors:
MINAGAWA HIROAKI
Application Number:
JP2006152250A
Publication Date:
December 13, 2007
Filing Date:
May 31, 2006
Export Citation:
Assignee:
ICOM INC
International Classes:
H01M2/10
Domestic Patent References:
| JP2000208115A | 2000-07-28 |
Attorney, Agent or Firm:
Bunji Kamada
Torii Kazuhisa
Takayoshi Tagawa
Higashio Masahiro
Torii Kazuhisa
Takayoshi Tagawa
Higashio Masahiro