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2 197 669

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IPC

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Application

2001107665/06, 2001-03-21

(24)

Start date

2001-03-21

(22)

Actual filing date

2001-03-21

(45)

Published

2003-01-27

(72)

Inventor

Sokolovskij V.I.Ivanov V.A.Novoselov V.V.

(73)

Holder

Sokolovskij Veniamin IzrailevichIvanov Vadim AndreevichNovoselov Vladimir Vasil'Evich

PIPE TRANSPORTATION METHOD Russian patent published in 2003 - IPC

Abstract RU 2197669 C2

FIELD: construction of oil and gas pipelines. SUBSTANCE: invention is designed for use at repair of worn pipelines. New pipe is sealed by head plug and flange of cylinder connected to plug. Then new pipe is fitted into worn out pipe. New pipe is divided by piston into two sealed spaces for transportation. New pipe is moved by changing air pressure in pipe space between fixed piston and plug. EFFECT: reduced consumption of energy when driving new pipe into worn-out pipe. 4 dwg

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RU 2 197 669 C2

Authors

Sokolovskij V.I.

Ivanov V.A.

Novoselov V.V.

Dates

2003-01-27—Published

2001-03-21—Filed

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