Battery container and lid

Details Battery container and lid Battery container and lid

1981-04-06

1983-12-06

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

429171, 429174, H01M 208

Patent

active

044194200

ABSTRACT:
A anode lid of a battery container having a peripheral portion U letter shaped in section, with the outer peripheral side formed thicker than the inner peripheral side, and a method of manufacturing the same. In a process of manufacture of the anode lid, the periphery of a blank of a disk is a bent in one direction vertical to the surface thereof, thereby to achieve a structure of a vessel having the bent periphery and then the vessel structure is subjected to paired working processes of punch and knockout, whereby a pressing force is exerted so that the edge of the bent periphery and the central portion of the main flat portion of the blank comes to be close to each other in the direction vertical to the surface of the blank. As a result, the periphery is formed to be U letter shaped in section, while the central portion is maintained flat.

REFERENCES:
patent: 1716598 (1929-06-01), Parsons
patent: 2985703 (1961-05-01), Hempf et al.
patent: 3343996 (1967-09-01), Miclsch et al.
patent: 3754997 (1973-08-01), Ralston
patent: 4220694 (1980-09-01), Uetani et al.
patent: 4238555 (1980-12-01), Uetani et al.

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