Electric heating – Metal heating – Of cylinders
Patent
1977-06-06
1979-07-17
Kucia, Richard R.
Electric heating
Metal heating
Of cylinders
219 60R, 2191241, 21912511, 219161, B23K 3702
Patent
active
041616405
ABSTRACT:
The orbital welding torch described herein has a horse-shoe shaped body arranged to engage partially around the tubes to be butt welded when inserted from one side of the tubes, and a crescent shaped table carrying a welding head which is rotatably carried by the body so that rotation of the table relative the body orbits the welding head around the region of the weld, the open mouth of the table being capable of alignment with the open mouth of the body to enable the body to be inserted from one side of the tube to engage partially around the tubes. In order to hold the torch in alignment with the tubes during a butt welding operation clamping blocks are provided which move in a direction substantially diametric relative the tubes once the torch is in position to make a weld and is substantially transverse to the direction of insertion of the horse-shoe shaped body whereby, once the torch has been inserted from one side of the tubes so that the body extends partially around the tubes, the blocks can be clamped onto the tubes to hold the torch in place during the making of a weld.
REFERENCES:
patent: 2894111 (1959-07-01), McNutt
patent: 3035147 (1962-05-01), Latter
patent: 3636294 (1972-01-01), Peyrot
patent: 3688069 (1972-08-01), Kazlauskas
patent: 3815807 (1974-06-01), Bartley
patent: 4038509 (1977-07-01), Henderson
patent: 4040557 (1977-08-01), Heverly
Bromwich Robert A. C.
Hill William G.
Lawrence Charles M.
Foster Wheeler Energy Corporation
Herguth, Jr. John J.
Kucia Richard R.
Naigur Marvin A.
Wilson John E.
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