Clamping method and apparatus for solid phase welding

Details Clamping method and apparatus for solid phase welding Clamping method and apparatus for solid phase welding

1981-06-29

1983-12-06

Ramsey, Kenneth J.

Metal fusion bonding

Process

Autogenous fusion

228212, 228 445, B23K 3704

Patent

active

044188609

ABSTRACT:
A method and apparatus for solid phase welding of pipes. A first internal clamping mechanism is employed substantially immediately adjacent the end of each pipe to urge each end into circumferential accuracy. A second internal or external clamping mechanism is employed in axial spaced relation to the first mechanism and which bears upon a greater surface of the pipe than the first mechanism, and is utilized to urge the two pipe ends together so that in combination with the application of heat, a pressure weld, joining the pipe ends, is effected.

REFERENCES:
patent: Re28190 (1974-10-01), LaForce et al.
patent: 3400872 (1968-09-01), Rogers
patent: 3570109 (1971-03-01), Harlan et al.
patent: 3644977 (1972-02-01), Valentine
patent: 3741457 (1973-06-01), Guin et al.

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