B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/67
B23K 9/10 (2006.01) B23K 9/073 (2006.01)
Patent
CA 1203581
AN AUTOMATIC ELECTRIC WELDING SYSTEM FOR MAINTAINING UNIFORM HEAT IN A WELDING OPERATION ABSTRACT OF THE DISCLOSURE Three parameters represent speed, current and voltage are combined to produce an electrical signal representing a desired uniform heat for an operation in which a movable workpiece is involved. A set of electrical signals are developed during the actual operation and combined with the electrical signal representing the standard heat. A resulting error signal and feedback circuit maintain the heat at the workpiece substantially at the desired uniform heat.
440252
Hurlebaus Richard P.
Kiser Herbert H.
Budd Company (the)
Fetherstonhaugh & Co.
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