Pipe extractor tool

Details Pipe extractor tool Pipe extractor tool

1980-07-22

1983-03-29

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

294 95, B25B 2308

Patent

active

043779565

ABSTRACT:
A pipe extractor tool has been devised for use in removal of broken pipe sections, such as, the riser in a sprinkler system and includes cams formed at the lower end of a hollow shank through which a push rod is inserted, the cams being movable under the urging of the push rod in a generally radially outward direction into firm gripping engagement with the inner wall of the pipe section to be removed so that a twist or torque can be applied to the tool to unthread and remove the broken pipe section.

REFERENCES:
patent: 1197648 (1916-09-01), Meyers
patent: 1592987 (1926-07-01), Mayer
patent: 1676775 (1928-07-01), Doherty
patent: 1958330 (1934-05-01), Beard
patent: 3479722 (1969-11-01), Maness
patent: 3654686 (1972-04-01), McFarland et al.

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