Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate
2004-10-18
2011-10-25
Conley, Helen O (Department: 1726)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
C429S176000, C429S177000
Reexamination Certificate
active
08043741
ABSTRACT:
A battery case excellent in glossiness of appearance and working efficiency and a surface-plated steel plate which can be used preferably to manufacture the battery case. The battery case is produced by deep-drawing, DI-forming, DTR-forming a surface-treated steel plate having glossy nickel or glossy nickel-cobalt alloy plating on the outermost layer corresponding to the external face of a battery case of a plated original plate consisting of a steel plate. The glossy nickel plating or glossy nickel-cobalt alloy plating layer on the outermost layer has a high glossiness, and therefore the appearance is excellent. The runnability of a formed battery case is high as well as the working efficiency.
REFERENCES:
patent: 6270922 (2001-08-01), Ohmura et al.
patent: 0939448 (1999-09-01), None
patent: 07-99686 (1995-10-01), None
patent: 10-212595 (1998-08-01), None
patent: WO 97/42667 (1997-11-01), None
patent: WO 97/44835 (1997-11-01), None
patent: WO 98/10475 (1998-03-01), None
patent: WO 00/65671 (2000-11-01), None
Japanese Patent Abstract, JP 10-212595 a, published Aug. 11, 1998, entitled “Manufacture of battery can forming material and battery can made of the same forming material”, applicant Katayama Tokushu Kogyo KK.
Ohmura Hideo
Ohmura Hitoshi
Tomomori Tatsuo
Browdy and Neimark PLLC
Conley Helen O
Toyo Kohan Co. Ltd.
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