Pipe positioning tool

Details Pipe positioning tool Pipe positioning tool

1976-01-14

1976-12-14

Jones, Jr., James L.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29200B, 29200P, B23P 1904

Patent

active

039966526

ABSTRACT:
The purpose of this tool is to hold a pipe, located in a trench in the ground, against an opening in the sidewall of a manhole while concrete is poured into the trench to encase the pipe. The tool has a screw-threaded central rod for insertion axially into the pipe from inside the manhole through the sidewall opening. A wedge nut is threaded onto the rod for spreading the end of the pipe into tight engagement with the opening in the sidewall of the manhole. Deformable rings on the rod are expanded radially outward into gripping engagement with the inside of the pipe when it is to be pulled over the wedge nut.

REFERENCES:
patent: 3368270 (1968-02-01), Babian
patent: 3662451 (1972-05-01), Wagner
patent: 3774286 (1973-11-01), Reed

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