Method of producing a folded edge

Electric heating – Metal heating – By arc

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B23K 2600

Patent

active

047587040

ABSTRACT:
A method of producing a folded edge between the body and base and/or upper base of a container made out of fine and/or extra-fine sheet metal, whereby at least two layers of the fold are bonded together at least at various points along the at least almost finish-folded edge by means of fusion welding.

REFERENCES:
patent: 3440392 (1969-04-01), Erlandson et al.
patent: 3949186 (1976-04-01), Nakayama et al.

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