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2 191 944

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(51)

IPC

(21) (22)

Application

2000133022/06, 2000-12-28

(24)

Start date

2000-12-28

(22)

Actual filing date

2000-12-28

(45)

Published

2002-10-27

(72)

Inventor

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

(73)

Holder

Sokolovskij Veniamin IzrailevichIvanov Vadim AndreevichNovoselov Vladimir Vasil'Evich

METHOD OF MOTION OF PIPE Russian patent published in 2002 - IPC

Abstract RU 2191944 C2

FIELD: erection of oil and gas transportation pipe lines; major repair of pipe lines. SUBSTANCE: new pipe is sealed-up by means of blank at its front end and by means of piston placed in pipe and connected to rope. Motion of new pipe is effected by supply of pressure air to cavity formed by blank and piston. During motion of new pipe, piston and rope are slowed down. EFFECT: reduced power of tractive winch. 2 dwg

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RU 2 191 944 C2

Authors

Sokolovskij V.I.

Ivanov V.A.

Novoselov V.V.

Dates

2002-10-27—Published

2000-12-28—Filed