Alkaline battery seal

Details Alkaline battery seal Alkaline battery seal

1975-02-24

1976-05-18

Walton, Donald L.

Batteries: thermoelectric and photoelectric

Thermoelectric

Radiation pyrometer

136168, H01M 204

Patent

active

039575381

ABSTRACT:
A seal for a terminal member of a nickel-cadmium battery cell, provided with a, for example Ceramvar, terminal electrode which is first of all electroplated with nickel and is then electroplated with chromium. A ceramic ring is located between the terminal electrode and a shoulder portion of a steel collar in the battery, the shoulder portion having an axial length greater than the axial length of the ceramic ring and the ceramic ring being brazed to the central region of the shoulder portion. Glass rings, for example, which may be transparent, are provided on opposite sides of the ceramic ring and rest on ledges of the shoulder portion whereby a respective void is formed between the glass ring and the respective adjacent surface of the ceramic ring.

REFERENCES:
patent: 3005865 (1961-10-01), Jonsson
patent: 3416964 (1968-12-01), Michalko
patent: 3421945 (1969-01-01), Michalko
patent: 3881955 (1975-05-01), Dubin et al.

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