Pipe joint make up tool

Details Pipe joint make up tool Pipe joint make up tool

1975-10-10

1976-09-07

Smith, Al Lawrence

Metal working

Means to assemble or disassemble

Coupling to conduit

B23P 1904

Patent

active

039785726

ABSTRACT:
A pipe joint make up tool for joining pipe members together including pipes and fittings and caps in which gripper half collars having a tapered rail along each facing edge are placed around a pipe and wedging clamps having complementary flanges are thereby engaged with the rails of the collars on opposite sides of the pipe. Each collar has an internal gripping surface of flexible material. The gripper collars are each provided with a hydraulic cylinder connected to a common hand pump or to other power means. Cables or chains are located diametrically opposite each other and connected to the piston of each hydraulic cylinder on the first pipe and to wedging clamps assembled on the gripper half collar disposed around the second pipe. As force is applied by the hydraulic cylinders the wedging action as the pipes are pulled together sockets one pipe into the other at the joint between them. A gauge in the hydraulic system is used as a force indicator.

REFERENCES:
patent: 870931 (1907-11-01), Claiborne

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