Redundant welding method for metal battery containers

Details Redundant welding method for metal battery containers Redundant welding method for metal battery containers

1977-04-05

1978-09-26

Albritton, C. L.

Electric heating

Metal heating

By arc

296231, 429 72, 429171, 220DIG29, B23K 2700

Patent

active

041173007

ABSTRACT:
Hermetic sealing of battery containers is accomplished in such containers comprising metal bodies provided with flanges by first mating the bodies so the flanges are coextensive, planar resistance welding the bodies together through the flanges and subsequently peripherally laser welding the edges of the flanges together to effect a redundant weld and an hermetic seal.

REFERENCES:
patent: 3380857 (1968-04-01), Bilhorn
patent: 3415977 (1968-12-01), Bush
patent: 3427205 (1969-02-01), Plitt et al.
patent: 3431787 (1969-04-01), Chyle
patent: 3689731 (1972-09-01), Miller
patent: 3823468 (1974-07-01), Hascoe
patent: 3846612 (1974-11-01), Augsburger
patent: 3881083 (1975-04-01), Bromley
patent: 3982958 (1976-09-01), Newman
patent: 3996066 (1976-12-01), Mead et al.

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