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Application

98117414/12, 1998-09-21

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Start date

1998-09-21

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Actual filing date

1998-09-21

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Published

2000-06-27

(72)

Inventor

Beloborodov V.N.Li A.N.Savchenko V.T.Berkhmiller K.A.Jatsevich B.A.Emelin V.I.

(73)

Holder

Krasnojarskij Gosudarstvennyj Tekhnicheskij Universitet

DEVICE FOR APPLICATION OF LIQUID ON INNER SURFACE OF PIPE LINE Russian patent published in 2000 - IPC

Abstract RU 2151655 C1

FIELD: repair and protection of inner surfaces of pipe lines against corrosion; construction engineering. SUBSTANCE: device has torus-shaped members fitted in pipe line at axial clearance; they consist of inner elastic envelope and outer protective envelope. Outer envelope is provided with transversal bands located at distance of 0.5 to 1.0 of inner diameter of pipe line; outer diameter of envelope is equal to 0.75 to 0.90 of inner diameter of pipe line at point of securing the bands. EFFECT: enhanced efficiency. 1 dwg

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RU 2 151 655 C1

Authors

Beloborodov V.N.

Li A.N.

Savchenko V.T.

Berkhmiller K.A.

Jatsevich B.A.

Emelin V.I.

Dates

2000-06-27—Published

1998-09-21—Filed

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