Patent Number: 6,165,640

Title: Battery can-forming plate and battery can

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.

Inventors: Sugikawa; Hirofumi (Toyonaka, JP)

Assignee: Katayama Special Industries, Ltd.

International Classification: B21D 22/21 (20060101); B21D 22/20 (20060101); C25D 3/56 (20060101); C25D 5/10 (20060101); H01M 2/02 (20060101); H01M 002/02 ()

Expiration Date: 12/26/2017