Electric heating – Metal heating – For bonding with pressure
Patent
1986-03-31
1987-10-27
Goldberg, E. A.
Electric heating
Metal heating
For bonding with pressure
219 87, 219119, B23K 1110, B23K 1124
Patent
active
047031581
ABSTRACT:
A high frequency resistance welding system having a pair of jaws which are pivotally mounted together and are adapted to clampingly engage the work to be welded therebetween. Each jaw has two arms and each arm has a welding tip which engages the work. The welding tips on the arms on one jaw register with the welding tips on the arms on the other jaw. A high frequency alternating electric power source is connected to the first jaw so that the direction of current flow in one arm of the first jaw is opposite from the direction of current flow in the other arm of the first jaw so that the magnetic field caused by the current flow through one arm is substantially offset or cancelled by the current flow through the other arm of the first jaw. In addition, each welding arm is preferably L-shaped thus having an elongated shank with the welding tip at one end of the shank. The elongated shanks in each jaw are positioned closely adjacent and parallel to each other while the welding tips in each jaw are spaced apart from each other by an amount greater than the spacing between the shanks.
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Boomer John
Burgher Peter H.
Goldberg E. A.
Marelco Power Systems, Inc.
Sigda C. M.
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