METHOD OF PROTECTION OF THE INNER SURFACE OF PIPELINE AGAINST CORROSION

Title:

METHOD OF PROTECTION OF THE INNER SURFACE OF PIPELINE AGAINST CORROSION

Document Type and Number:

WIPO Patent Application WO/1986/002429

Kind Code:

A1

Abstract:

The method consists in inserting into the pipeline a flexible sleeve, moving and pressing it to the inner surface of the pipeline by means of creation of an excessive pressure inside a hollow between the sleeve and the pipeline. Simultaneously with the pressing of the sleeve onto the inner surface of the pipeline, the latter is heated from inside and the difference between the pressures on both sides of the sleeve inserted into the pipeline is controlled.

More Like This:

JPS5724215

FITTING OF COVERING TUBE

Inventors:

SHISHKIN VIKTOR VASILIEVICH (SU)
KRYAZHEVSKIKH NIKOLAI FEDOROVI (SU)

Application Number:

PCT/SU1985/000086

Publication Date:

April 24, 1986

Filing Date:

October 16, 1985

Export Citation:

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Assignee:

TREST JUZHVODOPROVOD (SU)

International Classes:

B29C63/00; B29C63/36; B29C63/48; F16L58/10; (IPC1-7): F16L58/10

Foreign References:

SU1024653A1	1983-06-23
FR2544456A1	1984-10-19
SU542890A1	1977-01-15
SU916861A1	1982-03-30
GB1533233A	1978-11-22

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