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2 079 037

(13)

C1

(51)

IPC

(21) (22)

Application

94028170/06, 1994-07-27

(22)

Actual filing date

1994-07-27

(45)

Published

1997-05-10

(72)

Inventor

Rudoj Aleksandr DavydovichKirjakin Vladimir Konstantinovich

(73)

Holder

Rudoj Aleksandr DavydovichKirjakin Vladimir Konstantinovich

DEVICE FOR SEALING PIPE LINES Russian patent published in 1997 - IPC

Abstract RU 2079037 C1

FIELD: pipe line engineering. SUBSTANCE: device received in pipe line 1 has rod 3 rigidly connected with cylinder 2 whereon movable hollow cylinder 4 is mounted with a spaced relation. The end face of the cylinder is provided with ring conical projection 5 and faces the space between the cylinders. Rod 3 faces the space of a pipe line to be sealed. EFFECT: enhanced reliability. 1 dwg

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RU 2 079 037 C1

Authors

Rudoj Aleksandr Davydovich

Kirjakin Vladimir Konstantinovich

Dates

1997-05-10—Published

1994-07-27—Filed

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