Tool for joining pipes

Details Tool for joining pipes Tool for joining pipes

1980-07-14

1982-08-24

Watson, Robert C.

Metal working

Means to assemble or disassemble

Coupling to conduit

29252, F16L 3500

Patent

active

043453619

ABSTRACT:
A tool for forming a pipe joint of the type wherein a ring with a frusto-conical inner surface is forced over the belled one of two telescopically assembled pipes includes a jaw assembly having two pairs of jaws which are axially movable toward each other, one pair to engage the bell shoulder and the other to engage and push the ring. A pressure clamp has two forks shaped to engage the ends of the jaw assembly and a piston and cylinder assembly to linearly move one fork toward the other, thereby moving the jaws and forming the joint. The size of the jaw assembly can be selected according to pipe diameter.

REFERENCES:
patent: 3148902 (1964-09-01), Gardner
patent: 3299496 (1967-01-01), Christensen
patent: 3474519 (1969-10-01), Hallesy
patent: 4082321 (1978-04-01), Nakajima et al.
patent: 4133557 (1979-01-01), Ahlstone
patent: 4257155 (1981-03-01), Hunter

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