Electric resistance welding for zinc plated steel plate

Details Electric resistance welding for zinc plated steel plate Electric resistance welding for zinc plated steel plate

1987-11-03

1990-05-01

Picard, Leo P.

Electric heating

Metal heating

For bonding with pressure

219 94, B23K 928

Patent

active

049220756

ABSTRACT:
An electric resistance welding method for welding zinc plated steel plates is disclosed. The zinc plated steel plates having at least one surface covered with a plating layer composed of mainly zinc can be welded by the present invention efficiently while overlapping said plating layers, because a material for increasing the resistance between the zinc plated steel plates is employed in the present invention, and it is either spreaded, coated or bonded on the surface of said plating layers to be joined beforehand. Thus, the electric resistance of zinc plated steel plates can be performed by a lower electric current in a shorter time without deteriorating the anti-corrosion property of zinc plated steel plates, because the electric resistance between the steel plates has been increased by such a material.

REFERENCES:
patent: 2452805 (1948-11-01), Sussenbach
patent: 2726308 (1955-12-01), Cinamon
patent: 3135854 (1964-06-01), Deininger
patent: 3300854 (1967-01-01), Jackson et al.

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