Electric heating – Metal heating – By arc
Patent
1976-03-24
1978-03-21
Truhe, J. V.
Electric heating
Metal heating
By arc
219121LM, B23K 900
Patent
active
040805255
ABSTRACT:
Apparatus for externally welding a seam along abutting lengths of pipe with the pipe being supported on site in position, e.g., on the ground, the apparatus having laser transmitting means which includes optically coupled individual reflectors supported for orbital movement about the seam, the optically coupled individual reflectors serving to provide a folded multiple reflection path to the seam for transmitting a focused laser beam onto the seam along a predetermined section thereof below the pipe axis.
REFERENCES:
patent: 4001543 (1977-01-01), Bove
Bell Fred E.
Truhe J. V.
United Technologies Corporation
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