Pipe alignment apparatus

Details Pipe alignment apparatus Pipe alignment apparatus

1986-02-28

1987-08-11

Watson, Robert C.

Work holders

Plural holders to hold workpieces relative to each other

Workpieces parallel to each other

269 481, B25B 120

Patent

active

046856625

ABSTRACT:
Pipe alignment apparatus comprising: a tubular mandrel having a central bore therethrough, the opposite ends of which terminate in outwardly diverging first and second frusto-conical surfaces, the mandrel being divided into a plurality of longitudinal sections, allowing the mandrel to be radially expanded. A rod member extends through the central mandrel bore. First and second axially spaced frusto-conical members are carried on the rod and are axially movable toward each other upon manipulation of the rod member to wedgedly engage the first and second frusto-conical surfaces, respectively, effecting radial expansion of the mandrel for firmly engaging the interior of first and second pipe sections to effect the axial alignment thereof.

REFERENCES:
patent: 2226078 (1940-12-01), Spahn
patent: 2546950 (1951-03-01), Nixon
patent: 2920837 (1960-01-01), Wingard
patent: 3742186 (1973-06-01), Finkel et al.
patent: 3963250 (1976-06-01), Flagg
patent: 3986383 (1976-10-01), Petteys

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