The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2003
Filed:
Sep. 17, 1999
Applicant:
Inventors:
Assignee:
Japan Storage Battery Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/00 ; H01M 2/02 ; H01M 2/04 ;
U.S. Cl.
CPC ...
H01M 2/00 ; H01M 2/02 ; H01M 2/04 ;
Abstract
A battery has a battery case body made of aluminum or aluminum alloy, and a battery cover fitted into the battery case body made of aluminum or aluminum alloy. The battery case body and said battery cover have bonding areas, respectively, which are connected by laser welding. In the battery, the thickness of each of bonding areas of a battery case body and a battery cover is smaller than that of the remaining areas.