Internal pipe gripping device

Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...

Patent

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Details

81446, B25B 1318

Patent

active

052575594

ABSTRACT:
An internal pipe gripping device is provided which consists of a mechanism at one end for grasping an inner surface of a pipe and a structure at an opposite end for coupling to a pipe turning machine, so that the pipe can be rotated to be cut, polished, threaded and the like.

REFERENCES:
patent: 1968872 (1934-08-01), Campbell
patent: 2811067 (1957-10-01), Greer
patent: 3902384 (1975-09-01), Ehrler

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