Pipe aligning apparatus

Details Pipe aligning apparatus Pipe aligning apparatus

1977-12-19

1979-06-26

Lanham, C. W.

Metal fusion bonding

With means to handle work or product

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

269 49, B23K 3704

Patent

active

041590724

ABSTRACT:
Apparatus is provided for use in aligning a new pipe section with an existing pipe section to facilitate welding the new pipe section to the existing pipe section. The apparatus is adapted to fit within the pipe sections and to be moved longitudinally along the pipe sections and includes an actuator means disposed longitudinally and including a longitudinal rod; a plurality of spaced-apart radial elements; means fixedly coupled to the actuator means and defining radial guides for the radial elements to guide the elements between a withdrawn position and an engagement position in which the elements are positioned to engage both the existing and the new pipe sections to thereby align the new pipe section with the existing pipe section; and a plurality of links attached one to each of the radial elements and to the longitudinal rod. The links are inclined outwardly and away from the actuator means whereby a longitudinal force from the actuator means in a direction towards the links creates a compressive force in the links to cause the links to move the elements in the respective radial guides from the withdrawn to the engagement positions.

REFERENCES:
patent: 2413103 (1946-12-01), Forbes, Jr.
patent: 2780194 (1957-02-01), Croswell
patent: 3369725 (1968-02-01), Thomas et al.
patent: 3561320 (1971-02-01), Nelson et al.
patent: 4053973 (1977-10-01), Meli

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