Apparatus for aligning abutting pipes

Metal fusion bonding – With means to handle work or product – Including means to orient work or position work portion...

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228 445, 269 43, 269 481, B23K 3709

Patent

active

044960930

ABSTRACT:
Abutting ends of pipes are aligned by apparatus embodying a body having a threaded opening therein extending axially of the abutting pipes. A threaded actuator member engages the threaded opening and has a conical end defining a cam surface. A radially extending extendible member is carried by the body with its outer end in position to engage the inner surfaces of the abutting pipes and with its inner end extending inwardly of the opening in the body and having a cam surface positioned to engage the cam surface on the actuator member. Radially extending fixed members are secured to the body in angularly spaced relation to each other and to the extendible member with the distance from the center line of the body to the outer ends of the fixed members being equal the radius of the abutting pipes. An operator rotates the actuator member in one direction to move it axially of the abutting pipes to engage its cam surface on the extendible member to thus move the extendible member radially toward the inner surfaces of the abutting pipes and in an opposite direction to release the extendible member.

REFERENCES:
patent: 2791206 (1956-04-01), Stevenson
patent: 2821996 (1958-02-01), Goekler
patent: 3330021 (1967-07-01), Jacobsen
patent: 3684149 (1972-08-01), Ambler
patent: 3960311 (1976-06-01), Griffiths

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