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2 037 734

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IPC

(21) (22)

Application

93046314/29, 1993-10-05

(22)

Actual filing date

1993-10-05

(45)

Published

1995-06-19

(72)

Inventor

Drejtser V.I.Khramenkov S.V.Zagorskij V.A.Alekseev S.A.Pavlov E.P.

(73)

Holder

Drejtser Vladimir Isaakovich

METHOD FOR COATING OF PIPELINE INNER SURFACE Russian patent published in 1995 - IPC

Abstract RU 2037734 C1

FIELD: coating of inner surfaces of pipelines during their construction and repair. SUBSTANCE: method for coating of pipeline inner surface includes introduction of hose whose outer layer is made of airtight film material with elongation of 0.5-15% and middle fibrous layer is impregnated with thermosetting polymer binder. Hose is inflated, pressed to pipeline inner surface with subsequent curing of polymer binder. EFFECT: higher efficiency. 1 tbl

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RU 2 037 734 C1

Authors

Drejtser V.I.

Khramenkov S.V.

Zagorskij V.A.

Alekseev S.A.

Pavlov E.P.

Dates

1995-06-19—Published

1993-10-05—Filed

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