B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/114, 26/143
B23K 11/30 (2006.01) B23K 35/00 (2006.01) B23K 35/02 (2006.01)
Patent
CA 1116248
BF&N 6711 BIMETAL RESISTANCE WELDING ELECTRODE ABSTRACT OF THE DISCLOSURE A bi-metal resistance welding electrode has a dispersion strengthened copper tip and a high conductivity copper shank. The electrode is made by forming a tip member in two successive upsetting operations to produce a tip member having a coating of high conductivity copper covering substantially all of one end thereof. A solid, high conductivity copper, cylindrical billet is formed and brazed to the tip member at its coated end to form an extrusion blank. The extrusion blank is back extruded with the high conductivity copper material being worked substantially, while only partially back extruding the tip portion of the extrusion blank.
329257
Gowling Lafleur Henderson Llp
Nippert Company (the)
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