H - Electricity – 05 – B
Patent
H - Electricity
05
B
327/16
H05B 6/14 (2006.01) H05B 6/10 (2006.01) H05B 6/36 (2006.01)
Patent
CA 1177542
INDUCTION HEATING RING WITH RESILIENT BUTTON CONNECTIONS ABSTRACT OF THE DISCLOSURE An axially extending induction heating ring, adapted to removably sur- round a pipe, is provided with two arcuate frames hingely connected in end to end circumferential relationship, these frames having a pair of free ends adapted to be opened for placing the frames around the pipe. A plurality of electrically conducting wires are carried upon the frames across the axial widththereof and extending circumferentially between the free ends. The ring is especially provided with an improved electrical coupling assembly comprising a male contactor box including two projections adapted to be received in two corresponding holes in the female contactor box, each contactor box being provided with a plurality of coil contacts each connected to an end of a wire, each of the coil contacts of one contactor box being received in a recess containing a resilient O-ring whereby, when the male contactor box and the female contacto box are placed in an interfitting relationship, the coil contacts of the male contactor box are held resiliently against the coil contacts of the female contactor box to provide electrical continuity for the thus- connected wires. -1-
398501
Commercial Resins Company
Gowling Lafleur Henderson Llp
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