Weld suporting ring for pipes

Details Weld suporting ring for pipes Weld suporting ring for pipes

1991-01-10

1992-05-05

Seidel, Richard K.

Metal fusion bonding

Seam backup means

228216, 219160, B23K 3704

Patent

active

051100312

ABSTRACT:
For internally supporting the annular weld during welding together of two pipe ends of two pipes extending mutually in line a weld supporting ring is used consisting of ring pieces comprising at least one supporting body of ceramic material bounding the outer periphery of the weld supporting ring.

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patent: 3699635 (1972-10-01), Bradley et al.
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patent: 3960311 (1976-06-01), Griffiths
patent: 4165831 (1979-08-01), Connell
patent: 4201326 (1980-05-01), Connell
patent: 4216896 (1980-08-01), Chang et al.
patent: 4285458 (1981-08-01), Slavens
patent: 4363954 (1982-12-01), Rinaldi
patent: 4648544 (1987-03-01), Puisais et al.

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