Electric heating – Metal heating – Wire – rod – or bar bonding
Patent
1992-03-06
1993-11-23
Evans, Geoffrey S.
Electric heating
Metal heating
Wire, rod, or bar bonding
B23K 1116
Patent
active
052646742
ABSTRACT:
A fusing apparatus and method is described for forming a fuse joint between an armature wire having electrical insulation thereon and a terminal extending from a commutator bar. The apparatus includes a U-shaped fusing electrode including a central portion having an effective electrical resistance higher than the remaining portions of the electrode. By applying current through the electrode, the central portion is heated to a temperature higher than the remaining portions of the electrode sufficient to remove the electrical insulation from the armature wire and to fuse the armature wire to the terminal.
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patent: 4543462 (1985-09-01), Rossell
patent: 4910383 (1990-03-01), Zimmer
patent: 5111015 (1992-05-01), Riordan
Mangan John P.
Riordan Edward D.
Evans Geoffrey S.
Joyal Products, Inc.
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