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2 195 599

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IPC

(21) (22)

Application

99126355/06, 1999-12-14

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Start date

1999-12-14

(22)

Actual filing date

1999-12-14

(45)

Published

2002-12-27

(72)

Inventor

Valeev M.M.Asadullin M.Z.Khakhalkin G.I.Zaripov R.V.Usmanov R.R.Aminev F.M.Askarov R.M.Fajzullin S.M.

(73)

Holder

Ooo Rossijskogo Aktsionernogo Obshchestva

PIPELINE RESTORATION METHOD Russian patent published in 2002 - IPC

Abstract RU 2195599 C2

FIELD: building, namely restoration of pipelines subjected to stress corrosion cracking. SUBSTANCE: after repairing pipeline, recesses are poured layer by layer at compacting and wetting layers while adding compounds imparting to packing soil properties of quicksand. EFFECT: enhanced reliability of restored pipeline. 1 dwg

Similar patents RU2195599C2

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RU 2 195 599 C2

Authors

Valeev M.M.

Asadullin M.Z.

Khakhalkin G.I.

Zaripov R.V.

Usmanov R.R.

Aminev F.M.

Askarov R.M.

Fajzullin S.M.

Dates

2002-12-27—Published

1999-12-14—Filed