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2 111 408

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IPC

(21) (22)

Application

96110268/06, 1996-05-22

(22)

Actual filing date

1996-05-22

(45)

Published

1998-05-20

(72)

Inventor

Khramenkov S.V.Drejtser V.I.Zagorskij V.A.

(73)

Holder

Drejtser Vladimir Isaakovich

METHOD OF SANITATION OF INNER SURFACE OF PIPE LINE OF HEATING SYSTEM AND HOSE FOR ITS REALIZATION Russian patent published in 1998 - IPC

Abstract RU 2111408 C1

FIELD: corrosion protection of pipe lines during erection and assembly. SUBSTANCE: hose used for protection of inner surface of pipe line is multi-layer hose impregnated with binder. Pressing and hardening of hose is effected at stages with the aid of water steam, compressed air and superheated water of heating system. The ranges of pressure, temperatures and duration of action of heat-transfer agent on hose are indicated in the Description. EFFECT: enhanced quality of sanitation due to increased crack resistance of coat. 5 cl, 1 tbl

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RU 2 111 408 C1

Authors

Khramenkov S.V.

Drejtser V.I.

Zagorskij V.A.

Dates

1998-05-20—Published

1996-05-22—Filed

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