Flat type sealed battery with hermetic sealing structure

Details Flat type sealed battery with hermetic sealing structure Flat type sealed battery with hermetic sealing structure

1989-08-28

1991-04-02

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Flat-type unit cell and specific unit cell components

429185, H01M 208

Patent

active

050046560

ABSTRACT:
A flat disc type sealed battery comprises a battery vessel having a bottom wall with an electrolyte charging opening formed in the central portion thereof, and a battery lid member for covering the upper opening of the battery vessel. Power generating components are enclosed by sealing the battery vessel battery lid member, and a first sealing member is provided for sealing the electrolyte charging opening after the electrolyte is charged into the battery vessel, and a second sealing member is provided for covering the aperture in the side of the lower edge portion of the electrolyte charging opening. The outer peripheral portion of the second sealing member is welded to the bottom wall of the battery vessel to perfectly seal the battery vessel.

REFERENCES:
patent: 2606941 (1952-08-01), Ruben
patent: 3556848 (1971-01-01), Ruetschi
patent: 3664878 (1972-05-01), Amthor
patent: 3871921 (1975-03-01), Beatty et al.
patent: 4122243 (1978-10-01), Tsuchida et al.
patent: 4215187 (1980-07-01), Gnida et al.
patent: 4279975 (1981-07-01), Bowsky
patent: 4398346 (1983-08-01), Underhill et al.
patent: 4544078 (1985-10-01), Arenas et al.
patent: 4592970 (1986-06-01), Zupancic
patent: 4609598 (1986-09-01), Tucholski et al.

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