Pipe alignment tool

Details Pipe alignment tool Pipe alignment tool

1981-03-23

1984-01-03

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5716, 81 5718, B25B 1350

Patent

active

044236484

ABSTRACT:
In accordance with an illustrative embodiment of the present invention, a pipe alignment tool comprises upper and lower pipe clamp assemblies connected together in axial alignment by hydraulic cylinders that are selectively operable to adjust the vertical separation of said clamp assemblies, a first set of slips on said upper clamp assembly for gripping and supporting an upper pipe joint, a second set of slips on said lower clamp assembly for gripping a pipe joint extending into the wall, and inclined surfaces on said slips and said clamp assemblies for tightening the engagement of said slips with the pipe joint that they engage in response to downwardly directed force.

REFERENCES:
patent: 2450934 (1948-10-01), Calhoun
patent: 2950639 (1960-08-01), Mason
patent: 3722603 (1973-03-01), Brown
patent: 3748702 (1973-07-01), Brown
patent: 3803953 (1974-04-01), Geczy et al.
patent: 3806021 (1974-04-01), Moroz et al.
patent: 3828413 (1974-08-01), Province et al.
patent: 3838613 (1974-10-01), Wilms
patent: 3874518 (1975-04-01), Swoboda, Jr. et al.
patent: 3976207 (1976-08-01), Schultz
patent: 4161807 (1979-07-01), Swenson

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