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2 084 751

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C1

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IPC

(21) (22)

Application

95106999/06, 1995-03-06

(22)

Actual filing date

1995-03-06

(45)

Published

1997-07-20

(72)

Inventor

Drejtser V.I.Glukhovskij I.I.Kamenetskij A.B.Kukushkin B.M.

(73)

Holder

Drejtser Vladimir Isaakovich

METHOD OF APPLYING COAT ON INNER SURFACE OF PIPE LINES Russian patent published in 1997 - IPC

Abstract RU 2084751 C1

FIELD: erection and repair of pipe lines. SUBSTANCE: multi-layer hose is introduced inside pipe line. Outer and inner layers of this hose are made from film material. Inner layer contains reinforcing filler impregnated with binder. Impregnation is performed in multi-layer hose; amount of binder depends on mass of filler. Multi-layer hose is pressed to inner surface of pipe line by excessive pressure; binder is polymerized under action of heat-transfer agent. EFFECT: enhanced reliability. 2 dwg , 1 tbl

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RU 2 084 751 C1

Authors

Drejtser V.I.

Glukhovskij I.I.

Kamenetskij A.B.

Kukushkin B.M.

Dates

1997-07-20—Published

1995-03-06—Filed

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