Sealed lead-acid cells and batteries having an expandable cover

Details Sealed lead-acid cells and batteries having an expandable cover Sealed lead-acid cells and batteries having an expandable cover

1996-07-02

1997-08-26

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

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

429178, 429181, 429 89, 429 66, H01M 0204

Patent

active

056609469

ABSTRACT:
Sealed lead-acid cells and batteries include an expandable cover capable of accommodating the grid growth which occurs in service, the expandable cover comprises a first region which expands outwardly toward a second region and a flange which defines the terminal opening, and the cells or batteries include a terminal cover sealing assembly comprising inner-and outer-cell sealing members which together form an annulus in which the flange is seated and retain one or both include resilient seals such as an O-ring that provide a terminal-cover seal.

REFERENCES:
patent: 1015735 (1912-01-01), Heuser
patent: 4224388 (1980-09-01), Stadnick
patent: 4317870 (1982-03-01), Oellerich
patent: 4898795 (1990-02-01), Stocchiero
patent: 5053296 (1991-10-01), Stocchiero
patent: 5209991 (1993-05-01), Stocchiero

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