Method and apparatus for weld joining pipe sections

Details Method and apparatus for weld joining pipe sections Method and apparatus for weld joining pipe sections

1995-09-26

1997-04-29

Heinrich, Samuel M.

Metal fusion bonding

Process

With protecting of work or filler or applying flux

228 50, B23K 3706

Patent

active

056240678

ABSTRACT:
A method and apparatus for groove weld joining pipe sections along a rotating preform having a circumferential groove thereon along which the preformed adjoining pipe sections are located to form a weld in the joining area and a underbead in the groove of the preform to thus weld together the pipe sections.

REFERENCES:
patent: 3570109 (1971-03-01), Harlan et al.
patent: 3696228 (1972-10-01), Thomas, Jr. et al.
patent: 3960311 (1976-06-01), Griffiths
patent: 4465220 (1984-08-01), Ledlow et al.
patent: 4775092 (1988-10-01), Edmonds et al.
patent: 4782206 (1988-11-01), Ayres et al.
patent: 4842186 (1989-06-01), Doyle et al.
patent: 4894505 (1990-01-01), Malone et al.

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