Gas-tight sealed galvanic cell

Details Gas-tight sealed galvanic cell Gas-tight sealed galvanic cell

1975-02-07

1976-07-13

Walton, Donald L.

Batteries: thermoelectric and photoelectric

Thermoelectric

Radiation pyrometer

136169, 220378, H01M 204

Patent

active

039691462

ABSTRACT:
A gas-tight, liquid-tight cylindrical galvanic cell is provided with a cover integral with the cylindrical housing and having a central opening surrounded by a collar of smaller diameter than the housing and extending away from the housing. An electrically insulating ring is force fit onto the collar and an electrically conducting contact cap is force fit onto the ring. The collar is outwardly flared so that a predetermined internal pressure of the cell is required to force the cap off the ring, thereby relieving the pressure. A flexible, electrically conducting arrester element mechanically and electrically interconnects the cap and the interior of the cell. The cover having a collar is formed by rolling over the rim of a cylindrical cup-shaped container to form a cover and continuing the rolling of the rim onto a mandrel to form the collar.

REFERENCES:
patent: 2772037 (1956-11-01), Rieke
patent: 3285784 (1966-11-01), Babusci et al.
patent: 3579387 (1971-05-01), Voyentzie et al.
patent: 3834942 (1974-09-01), Tietze

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