Method of producing a multiple-wall pipe structure with anticorr

Details Method of producing a multiple-wall pipe structure with anticorr Method of producing a multiple-wall pipe structure with anticorr

1983-12-30

1985-09-24

Godici, Nicholas P.

Metal fusion bonding

Process

Using dynamic frictional energy

B23P 1102

Patent

active

045428468

ABSTRACT:
A multiple-wall pipe structure having at least two pipes tightly fitted one within another, one of which is of a corrosion-resistant material whereas the other is of a noncorrosion-resistant material. In order to protect against corrosion the end faces of the noncorrosion-resistant pipe and the seams between the two pipes, either during storage in the form of discrete pipe sections or in use by being welded or otherwise jointed end to end, a pair of anticorrosion rings of a corrosion-resistant material are integrally attached to the opposite ends of the fitted pipes so as to cover at least the end faces of the noncorrosion-resistant pipe and to seal the seams therebetween.

REFERENCES:
patent: 2308307 (1943-01-01), Robinson
patent: 2516689 (1950-07-01), France
patent: 2718690 (1955-09-01), Ulam
patent: 2763923 (1956-09-01), Webb
patent: 3020068 (1962-02-01), Costanzo
patent: 3107421 (1963-10-01), Turnbull
patent: 3460235 (1969-08-01), Roberts
patent: 3529337 (1970-09-01), Pfaff

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