Flange alignment tool and method

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

Patent

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Details

269 47, B25B 100

Patent

active

050944355

ABSTRACT:
A flange alignment tool for temporarily aligning and holding a flange of a workpiece in concentric alignment with a tubular workpiece such as a pipe. The tool includes a C-shaped frame member having integrally formed first and second opposing end portions, a transverse frame section extending between the first and second opposing end portions, and an elongated base portion extending outwardly from the second end portion. The first opposing end portion, transverse frame section, and base portion each contain threaded apertures and associated, manually adjustable alignment screws. The tool is secured to a flange by placing it over an outer edge portion of the flange with an outer surface of the flange abuttingly engaging the second opposing end portion of the C-shaped frame member. The alignment screw of the first opposing end portion is then manually screwed into contact with an inner surface of the flange to secure the C-shaped frame member securely thereto. The alignment screw of the transverse frame section is also screwed into contact with the outer edge portion of the flange to further secure the C-shaped frame member relative to the flange. The alignment screw of the base portion is then controllably screwed into abutting contact with an outer surface of the pipe to thereby controllably position the C-shaped frame member and the flange clamped thereto concentrically with the pipe. The flange alignment tool may also be used in cooperation with a chain clamp and a level and support device to further enhance the ease with which the flange may be aligned with the pipe.

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