B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
26/78
B21D 39/04 (2006.01)
Patent
CA 1162390
ABSTRACT OF THE DISCLOSURE The invention provides an improved assembly tool which is adapted to swedge a ring onto the overlap of a pair of telescoped engaging pipes for securing and sealing them together, and is particularly useful for engaging an exhaust pipe to a muffler outlet. A pair of aligned die blocks, each having opposing semicircular channels of semicircular cross-section, adapted to receive a ring of circular cross-section upon the overlap of a pair of telescoped pipes are provided. A power cylinder has a crosshead which mounts a pair of die supports at their one ends. The die blocks span and are mounted upon the die supports at their other ends. The piston rod engages one of the die blocks for moving it into operative compression with the other die block, the ring forming concentric channels in the pipes, a peripheral seal therebetween, a bead in one pipe nested within the channel of another pipe and with the ring nested and interlocked within one channel.
406713
Frayne & Company Robert
Mcinerney Spring & Wire Company
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