Metal fusion bonding – Including means to force or clamp work portions together... – Comprising tube aligning means
Patent
1998-05-29
2000-03-21
Ryan, Patrick
Metal fusion bonding
Including means to force or clamp work portions together...
Comprising tube aligning means
228 493, 228212, B23K 3700, B23K 118, B23K 522
Patent
active
060392355
ABSTRACT:
A tool for aligning a pair of pipes in abutting, axial alignment with one another includes a pair of pipe-contacting members disposed on opposite sides of the pipes in diametrically opposed relation to one another. The pipe-contacting members are interconnected to one another by a pair of fastening members disposed on opposite sides of the pipes. Each pipe-contacting member includes a pair of cylindrical members that are disposed in parallel relation to a common longitudinal axis of the pipes. The cylindrical members of each pipe-contacting member are interconnected to one another by a pair of flexible links that conform to the outer circumference of the pipes due to their flexibility. The opposite ends of each flexible link are pivotally secured to their associated cylindrical members so that removing a pair of pipes from the tool after completion of a welding procedure, or introduction of a pair of pipes into the tool for welding, requires that only one fastening member be disengaged. In a second embodiment, three or more of the pipe-contacting members are arranged in circumferential relation to one another in surrounding relation to the pipes to be welded.
REFERENCES:
patent: 2376765 (1945-05-01), Forbes
patent: 4016637 (1977-04-01), Swensen
Pittman Zidia
Ryan Patrick
Smith Ronald E.
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