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2 067 719

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IPC

(21) (22)

Application

93016457/06, 1993-03-31

(22)

Actual filing date

1993-03-31

(45)

Published

1996-10-10

(72)

Inventor

Agzamov F.A.Gladkikh I.F.Korzhavina K.A.Nazarenko N.L.Leshchev N.N.Chepurskij V.N.

(73)

Holder

Institut Problem Transporta Ehnergoresursov

METHOD PROTECTION OF INTERNAL SURFACE OF PIPELINES Russian patent published in 1996 - IPC

Abstract RU 2067719 C1

FIELD: protection of pipelines from corrosion caused by aggressive media. SUBSTANCE: method for protection of internal surface of pipelines consists in application to pipeline internal surface of cement-asbestos composition, solidification of the latter in medium of carbon dioxide gas. In this case, the surface of cement stone is carbonized, its pores are clogged and stone permeability reduces. EFFECT: higher efficiency. 1 dwg, 4 tbl

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RU 2 067 719 C1

Authors

Agzamov F.A.

Gladkikh I.F.

Korzhavina K.A.

Nazarenko N.L.

Leshchev N.N.

Chepurskij V.N.

Dates

1996-10-10—Published

1993-03-31—Filed