Pipe connection

Details Pipe connection Pipe connection

1991-04-29

1993-06-15

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

Lined

285 21, 285286, F16L 5500

Patent

active

052191877

ABSTRACT:
A pipe connection having a protective interior coating, with the integrity thereof being maintained during assembly of the pipe connection by welding. This is achieved by the use of a heat deflecting material that prevents damage to the interior coating from heat generated incident to welding at the weld-affected zone. During assembly of the pipe connection, mating, coacting compressible materials are brought into engagement and thereby compressed to ensure a fluid barrier along the pipe connection after assembly by welding.

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patent: 4681349 (1987-07-01), Press et al.
patent: 4865356 (1989-09-01), Moore et al.
patent: 5001320 (1991-03-01), Conley et al.

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