High pressure post seal for batteries

Details High pressure post seal for batteries High pressure post seal for batteries

1979-08-30

1981-01-13

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

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

429183, 429184, H01M 206

Patent

active

042450144

ABSTRACT:
A multistaged high pressure post seal system resistant to acid attack. A post cavity (18), formed within a battery case (14), contains a post (16) projecting through a bore (20) at the base of the cavity (18). An O-ring (24) disposed between the post (16) and the bore (20) of the cavity (18) forms a first seal. A self-sealing member (32 or 40) in communication with the post (16) forms a second seal whereas epoxy (36) introduced into the cavity (18) forms a third seal. Two embodiments are disclosed.

REFERENCES:
patent: 2781414 (1957-02-01), Ensign et al.
patent: 3488227 (1970-01-01), Siwek
patent: 4053686 (1977-10-01), Oxeureider
patent: 4053693 (1977-10-01), Munch et al.
patent: 4156756 (1979-05-01), Green

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