Pipe joiner

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator

Reexamination Certificate

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Details

C029S267000, C029S278000

Reexamination Certificate

active

07827663

ABSTRACT:
A pipe gripper includes an adjustable throat for receiving a pipe and a bore having an unbroken inner circumference that exceeds 180 degrees.

REFERENCES:
patent: 3653115 (1972-04-01), Perkins
patent: 4493139 (1985-01-01), McClure
patent: 4748730 (1988-06-01), George

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