Thermally insulated pipe for the construction of underwater pipe

Details Thermally insulated pipe for the construction of underwater pipe Thermally insulated pipe for the construction of underwater pipe

1983-04-15

1985-12-24

Scanlan, Jr., Richard J.

Pipe joints or couplings

With casing, lining or protector

Insulated

285 48, F16L 5914

Patent

active

045601887

ABSTRACT:
The present invention relates to a thermally insulated pipe for the construction of underwater pipelines, characterized by being formed from prefabricated pipe portions welded together, each portion being constituted by two concentric tubes of different diameter which are connected together at their ends by means of special cylindrical pieces having a double T section which are welded to the two tubes in such a manner as to form between them an annular interspace which is filled with thermally insulating material.

REFERENCES:
patent: 701209 (1902-05-01), Luke
patent: 2419278 (1947-04-01), Motsenbocker
patent: 3559660 (1971-02-01), Rollins
patent: 3650299 (1972-03-01), Seiler et al.
patent: 4130301 (1978-12-01), Dunham

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