Welding arrangement
OwnerKim Hastings, Chris Cathlesinventors
Life of this patent
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Abstract
A welding arrangement (5, 23) for welding pipe sections (6, 7) comprises a power supplying and gas supplying unit (7, 24), a welding unit operatively connected to the power supplying and gas supplying unit and adapted at least in part to displace about the circumference of the pipe (6, 7) during the welding operation, and means whereby the power and gas are transmitted to the welding unit through a transmitting ring (8, 27) sufficient in diameter to extend around the pipe (6, 7) during the welding operation and thereby enabling the power and gas supply unit (7, 24) to remain stationary during the welding operation.
Claims9
1-8. (canceled)
A welding arrangement for welding pipe sections, the arrangement comprising:
- a power supplying and gas supplying unit;
- a welding unit;
- means for operatively connecting the welding unit to the power supplying and gas supplying unit;
- means for displacing about the circumference of the pipe during the welding operation;
- and
- a transmitting ring for transmitting power and gas from said power supplying and gas supplying unit to said welding unit;
- the transmitting ring having a diameter which is sufficient to extend around the pipe during the welding operation and thereby enabling the power and gas supply unit to remain stationary during the welding operation.
Dependencies are inferred from the claim text.