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:
Dec. 26, 2000
Filed:
May. 19, 1997
Applicant:
Inventor:
Hirofumi Sugikawa, Toyonaka, JP;
Assignee:
Katayama Special Industries, Ltd., Osaka-fu, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429166 ; 429164 ; 429168 ;
Abstract
A battery can-forming plate consisting of a steel plate plated with an alloy, wherein a hardness of a plated layer formed on one surface of the steel plate is higher than that of a plated layer formed one the other surface thereof. The plated layer having a higher hardness is used as an inner surface of a battery can and the plated layer having a lower hardness is used as an outer surface thereof in forming the battery can. The steel plate is plated with a nickel alloy.