Process and apparatus for welding sheet metal coated with layers

Details Process and apparatus for welding sheet metal coated with layers Process and apparatus for welding sheet metal coated with layers

1977-02-18

1978-09-26

Reynolds, Bruce A.

Electric heating

Metal heating

For bonding with pressure

219113, B23K 928

Patent

active

041172965

ABSTRACT:
A method for the connection of sheet metal panels coated on at least one surface with a layer by the electrical fusin of a metal, wherein the improvement comprises the steps of supplying an electric current for the fusion of metal indirectly along the sheet metal of at least one panel to the zone at which said panels are to be connected to each other, and keeping the temperature of an outer layer of at least one of said panels below the melting point of said layer.

REFERENCES:
patent: 3067488 (1962-12-01), Bennett et al.
patent: 3337711 (1967-08-01), Gaascia
patent: 3418444 (1968-12-01), Ruehlemann
patent: 3559285 (1971-02-01), Kauffman

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