Spot welding tongs

Details Spot welding tongs Spot welding tongs

1991-04-17

1992-07-07

Evans, Geoffrey S.

Electric heating

Metal heating

For bonding with pressure

B23K 1110, B23K 1128, B23K 1131

Patent

active

051285100

ABSTRACT:
An articulated pair of spot welding tongs comprising two supports (1,2) of the male and female type, each having a fork joint and an orifice, and two interchangeable arms (3,5), each carried by one of the supports. Each support is made from aluminum and treated by hard anodizing. A pin (13) traverses the two orifices, and carries two plates (39,40), each plate comprising a metal support plate covered by a coating based on fluorocarbonated fibers. The welding tongs can be used for a long period of time without any need for changing the insulating elements.

REFERENCES:
patent: 1980228 (1934-11-01), Rogers
patent: 4015098 (1977-03-01), Matter et al.
patent: 4393293 (1983-07-01), Inoue et al.

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