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2 142 091

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C1

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IPC

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Application

98104272/06, 1998-03-06

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Start date

1998-03-06

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Actual filing date

1998-03-06

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Published

1999-11-27

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Inventor

Frantov I.I.Rodionova I.G.Prokhorov N.N.Shipilov A.I.Tokarev A.M.Abramenkov V.N.Shatilo S.P.Galichenko E.N.Medvedev A.P.Sbarskaja N.P.Kireeva T.S.Shapovalov Eh.T.Bolotov A.S.Mukhin M.Ju.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Trubnyj Zavod"Predprijatie

COMBINATION TUBE FOR MAKING PIPELINES FOR TRANSPORTING AGGRESSIVE MEDIA Russian patent published in 1999 - IPC

Abstract RU 2142091 C1

FIELD: pipelines for transporting aggressive media. SUBSTANCE: tube includes main portion of carbon steel or low-alloy steel and metallic shells secured to its ends. Length values of shells are no less than 30 mm. Each shell has at least two concentric layers. One layer is of carbon steel or low-alloy steel. At least one layer is of corrosion resistant steel containing at least 8% of chrome. Thickness of corrosion resistant layer of shell consists at least 5% of total thickness of its wall. EFFECT: enhanced corrosion resistance of tube. 1 dwg

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RU 2 142 091 C1

Authors

Frantov I.I.

Rodionova I.G.

Prokhorov N.N.

Shipilov A.I.

Tokarev A.M.

Abramenkov V.N.

Shatilo S.P.

Galichenko E.N.

Medvedev A.P.

Sbarskaja N.P.

Kireeva T.S.

Shapovalov Eh.T.

Bolotov A.S.

Mukhin M.Ju.

Dates

1999-11-27—Published

1998-03-06—Filed

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