Metal working – Method of mechanical manufacture – Electrical device making
Patent
1996-03-18
1997-08-19
Nuzzolillo, M.
Metal working
Method of mechanical manufacture
Electrical device making
429171, 429172, H01M 1038
Patent
active
056583567
ABSTRACT:
This invention pertains to electrode cans and metal air electrochemical cells made with the electrode cans. The invention provides improved structure, and methods for making the outer edge of the closed end of the can at the joinder of the closed end of the can with an side wall extending from the closed end. A substantially flat portion of the outer surface of the closed end of the can extends outwardly of the inner surface of the side wall. The electrochemical cells are assembled using improved assembly methods. Button-type electrochemical cells made using the invention are free of the inward dishing common to especially cathode cans in such button cells.
REFERENCES:
patent: 4457990 (1984-07-01), Tucholski
patent: 4656104 (1987-04-01), Tucholski
patent: 5432027 (1995-07-01), Tuttle et al.
patent: 5486431 (1996-01-01), Tuttle et al.
patent: 5494495 (1996-02-01), Tuttle
Nuzzolillo M.
Rayovac Corporation
Wilhelm Thomas D.
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