Apparatus and method to suppress oxidation during resistance wel

Details Apparatus and method to suppress oxidation during resistance wel Apparatus and method to suppress oxidation during resistance wel

1983-01-17

1985-01-15

Envall, Jr., Roy N.

Electric heating

Metal heating

Of cylinders

219 74, 219 84, B23K 1108

Patent

active

044939620

ABSTRACT:
In an apparatus and a method of at least partially suppressing oxidation of can components or the like during resistance roller welding with the aid of an inert gas, the steps include welding the can components to one another, so as to obtain a hot welding seam, supplying the inert gas to the hot welding seam so as to envelop it at least partially, and to create a region of the inert gas in contact with the surrounding atmosphere, so that oxidation of the hot welding seam is at least partially suppressed.

REFERENCES:
patent: 3495066 (1970-02-01), Broyard et al.
patent: 3588424 (1971-06-01), Hammer
patent: 3652818 (1972-03-01), Erlandson et al.

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