Pipe clamp

Details Pipe clamp Pipe clamp

1985-01-09

1986-11-18

Godici, Nicholas P.

Metal fusion bonding

With means to handle work or product

Including means to orient work or position work portion...

B23K 3704

Patent

active

046230858

ABSTRACT:
A pipe clamp for use in positioning a pair of pipe sections preparatory to welding them together comprises an adjustable size loop encircling one of such pipe sections and formed by a frame member and a flexible chain. The chain has a plurality of jackbar holders spaced circumferentially of the loop and each holder supports a jackbar that is adjustable axially of the loop. The frame member also supports one or more axially adjustable jackbars. Each jackbar carries at one end a jack screw that is adjustable radially of the loop so as to shift a second pipe section radially of the first pipe section for coaxial alignment of such pipe sections. The jackscrews also are capable of exerting radial forces on the pipe sections so as to conform their confronting ends. At the opposite end of each jackbar is a stablizing foot engageable with one of the pipe sections to prevent rocking of the jackbar when its jack screw bears against a pipe section. Each stabilizing foot preferably is retractable so as to enable the associated jackbar to be removed from its holder or the frame member, thereby facilitating handling of the clamp by one person.

REFERENCES:
patent: 3901497 (1975-08-01), Dearman
patent: 3925854 (1975-12-01), McFadden
patent: 3944202 (1976-03-01), Dearman
patent: 4356615 (1982-11-01), Dearman

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