B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/90
B23K 11/02 (2006.01)
Patent
CA 1095998
Abstract of the Disclosure An electrical resistance welding apparatus for making an integral and homogeneous connection between a terminal and a battery lug accomplished by limiting the area of contact between the two as by equipping the battery with an insulation card which is at least partially disposed between the lug and the terminal. The apparatus presses a portion of the overlapping area of the lug through an opening in the insulation card to make contact over a relatively small area with the terminal by first moving one electrode to contact the terminal and then moving the remaining electrode to contact the lug. The electrode assemblies clamp the lug and terminal together. Current is provided to the electrodes to heat up the area of contact as it is made, thereby melting the lead in the opening in the insulation card. As the lug and terminal are continuously squeezed together, more cold lead flows into the opening where the fusion is taking place. When molten lead substantially fills the opening, the current to the electrode ceases and the electrodes are withdrawn leaving an integral and homogeneous connection formed between a portion of the terminal surface and a portion of the overlapping lug surface. A method for resistance welding the terminal of the battery is also described.
297573
Kirby Eades Gale Baker
Tiegel Manufacturing Company
LandOfFree
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