Internally insulated, corrosion resistant pipeline

Pipes and tubular conduits – Distinct layers – With intermediate insulation layer

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Details

138148, 138113, F16L 914

Patent

active

061162906

ABSTRACT:
An internally insulated, corrosion resistant pipeline. An inner fluid barrier is formed preferably by a polymer liner. The outer pipe may be a steel pipe. The liner is provided with a plurality of passages or an open annulus. The passages in the liner or annulus between the pipe and liner are filled with an insulation material.

REFERENCES:
patent: 813918 (1906-02-01), Schmitz
patent: 2440245 (1948-04-01), Chevigny
patent: 4351365 (1982-09-01), Bauermeister et al.
patent: 5020481 (1991-06-01), Nelson
patent: 5056564 (1991-10-01), Roth
patent: 5256844 (1993-10-01), Grosvik et al.
patent: 6000438 (1999-12-01), Ohrn

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