Welded austenitic steel pipe assembly

Details Welded austenitic steel pipe assembly Welded austenitic steel pipe assembly

1977-07-12

1979-12-11

Lanham, C. W.

Pipe joints or couplings

Molded joint

Interlocked

228175, 228222, 219 61, 138155, B23K 2802

Patent

active

041780221

ABSTRACT:
Tapered stainless steel spool pieces are welded to the ends of stainless steel pipe lengths at the factory to provide subassemblies which are then annealed and thereafter in the field are positioned with the larger free ends of opposed spool pieces disposed to receive weld metal uniting the subassemblies while coolant liquid is maintained in contact with the inside surfaces of the spool pieces.

REFERENCES:
patent: 2308307 (1943-01-01), Robinson
patent: 2412271 (1946-12-01), Kercher
patent: 2555256 (1951-05-01), Tyson
patent: 2787699 (1957-04-01), Jessen
patent: 2792490 (1957-05-01), Risch et al.
patent: 3001497 (1961-09-01), Thielsch
patent: 3080179 (1963-03-01), Huntsinger
patent: 4049186 (1977-09-01), Hanneman et al.

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