Metal fusion bonding – Including means to force or clamp work portions together... – Comprising tube aligning means
Patent
1995-06-07
1997-10-07
Bradley, P. Austin
Metal fusion bonding
Including means to force or clamp work portions together...
Comprising tube aligning means
228 493, 269 41, 269289MR, 269902, 29272, B23K 37053
Patent
active
056738439
ABSTRACT:
A transportable welding station has a first tower supporting at least one pair of power-driven rollers and a second tower supporting a pair of rollers aligned with those of the first tower. A piece of pipe may be cut or welded as it is supported and rotated by the two sets of rollers, thereby permitting a smooth continuous cut or weld around the entire circumference of pipe. To accommodate different lengths of pipe, a welder can change the distance between the two towers. A version with two pairs of power-driven rollers supported by the first tower allows short lengths of pipe to be welded. Even shorter or irregularly shaped pieces may be welded as they are held by a chuck that is turned by the rollers supported by the first tower. A work table is also provided to allow those whose job is to tack, or tentatively join, pipe sections so that those people may work with a small ancillary welding machine. A fold-up jib crane allows heavy pipe workpieces to be loaded onto the welding station.
REFERENCES:
patent: 2500204 (1950-03-01), Ronay
patent: 2550159 (1951-04-01), Mickelson
patent: 2667978 (1954-02-01), Pridy
patent: 2781920 (1957-02-01), Burington
patent: 2945523 (1960-07-01), Jenkins
patent: 4295257 (1981-10-01), Strohs
patent: 4365786 (1982-12-01), Osteen
patent: 4526503 (1985-07-01), Muraguchi
patent: 4667548 (1987-05-01), Astle et al.
Bradley P. Austin
Knapp Jeffrey T.
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