Process for sealing electrochemical cells

Details Process for sealing electrochemical cells Process for sealing electrochemical cells

1978-08-07

1980-09-30

Crane, Daniel C.

Metal working

Method of mechanical manufacture

Electrical device making

296234, 29446, 429174, 264101, 264230, 264268, 264342R, 264343, H01M 204, H01M 208

Patent

active

042247365

ABSTRACT:
A process for improving leakage resistant in a galvanic cell is provided. This is done by making an improved grommet and metal cover. The process comprises swelling a grommet which has been placed tightly around the periphery of a metal cover until the grommet is loose upon the metal cover, forcing a sealant solution between the swollen grommet and metal cover and then shrinking the grommet to substantially its original size to trap the sealant compound between the grommet and metal cover.

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patent: 2249091 (1941-07-01), Robinson et al.
patent: 2392943 (1946-01-01), Persons
patent: 2876272 (1959-03-01), Bence et al.
patent: 3069489 (1962-12-01), Carmichael et al.
patent: 3377414 (1968-04-01), Weyer
patent: 3437530 (1969-04-01), Anderson
patent: 3443006 (1969-05-01), Simons et al.
patent: 3663678 (1972-05-01), Miller
patent: 3713896 (1973-01-01), Feldmake
patent: 3922178 (1975-11-01), Winger
patent: 4122242 (1978-10-01), Feldhake
patent: 4530056 (1970-09-01), Haddad

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