Cell cover with internal compression ring of high yield strength

Details Cell cover with internal compression ring of high yield strength Cell cover with internal compression ring of high yield strength

1990-05-07

1992-05-19

Hearn, Brian E.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

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

424 56, 424174, 424185, H01M 212

Patent

active

051148080

ABSTRACT:
An electrochemical cell having a cold worked, complexly configurated and subsequently annealed cover over an open end of the cell housing, the cell cover incorporating a compression ring of high yield strength in radially outwardly compressive engagement with the inner face of a rim of the cover to compress the rim against a seal between the rim and the cell housing.

REFERENCES:
patent: 3185595 (1965-05-01), Schenk
patent: 3754997 (1973-08-01), Ralston
patent: 4374909 (1983-02-01), Tucholski
patent: 4419420 (1983-12-01), Ishizaki
patent: 4452062 (1984-06-01), Ishizaki
patent: 4725512 (1988-02-01), Jurca
patent: 4931368 (1990-06-01), Ayers et al.

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