Method and apparatus for welding tubular members

Details Method and apparatus for welding tubular members Method and apparatus for welding tubular members

1995-12-14

1998-01-27

Heinrich, Samuel M.

Metal fusion bonding

Process

With clamping or holding

212 445, B23K 37053

Patent

active

057114749

ABSTRACT:
A method and apparatus for welding two tubular members together in butting relation is described. The method and apparatus include apparatus capable of delivering a purge gas to a zone adjacent the inner surface of the tubular members and effecting relative movement between the tubular members and a welding torch to weld the butting ends of the tubular members together.

REFERENCES:
patent: 3095844 (1963-07-01), Thielsch
patent: 3688069 (1972-08-01), Kazlauskas
patent: 3688070 (1972-08-01), Smith
patent: 3688071 (1972-08-01), Kennelly
patent: 3688072 (1972-08-01), Witt
patent: 3960311 (1976-06-01), Griffiths
patent: 4084739 (1978-04-01), Koltz et al.
patent: 4857690 (1989-08-01), Kazlauskas
patent: 5052609 (1991-10-01), Tesch
patent: 5398862 (1995-03-01), Aleman
patent: 5538173 (1996-07-01), Hummel
Metals Handbook, Ninth Edition, vol. 6, p. 109, "Pipe Welding", and pp. 214-224, Plasma Arc Welding, Dec. 1983.

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