Conduit for conveying a fluid, the temperature of which is diffe

Details Conduit for conveying a fluid, the temperature of which is diffe Conduit for conveying a fluid, the temperature of which is diffe

1976-02-06

1977-11-29

Aegerter, Richard E.

Pipe joints or couplings

With casing, lining or protector

Insulated

138 28, 138149, 138155, 285133R, 285226, 285DIG5, F16L 922, F16L 5916

Patent

active

040602630

ABSTRACT:
A conduit for conveyance of a fluid and especially liquefied natural gas and comprising an internal circulation pipe for said fluid surrounded with a sheath of insulating material protected by an outer rigid covering, said sheath comprising several fluid-tight lap joints of coaxial structure and variable lap surface and said circulation pipe being interrupted at joint emplacements thus communicating with corresponding fluid-tight annular cylindrical spaces defined between a respective stationary coaxial sleeve surrounding a gap of said circulation pipe and two corrugate or waved compensators respectively connected between one sleeve end and the external surface of said circulation pipe at either side of said gap.

REFERENCES:
patent: 3878868 (1975-04-01), Wheeler
patent: 3901539 (1975-08-01), Ijzerman

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