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Application

95119761/06, 1995-11-21

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Actual filing date

1995-11-21

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Published

1998-01-27

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Inventor

Vojnov A.K.Olovjanishnikov V.F.Davydov V.A.Zakharov A.A.Glushchenkov V.A.Karpukhin V.F.Kolesnev S.V.Burmistrov A.E.Kakovkin D.A.Chernov A.V.Katasonov Ju.I.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Nauchno-Issledovatel'Skij Institut Razrabotki I Ehkspluatatsii Neftepromyslovykh Trub"

METHOD OF CONNECTING PIPES HAVING INTERNAL ANTICORROSIVE COATS Russian patent published in 1998 - IPC

Abstract RU 2103593 C1

FIELD: protection of butt weld seams against corrosion in erection and repair of pipe lines. SUBSTANCE: prior to connecting the pipes having internal anticorrosive coats, thin-walled bushes made from corrosion- and heat-resistant metallic material are pressed in ends of pipes. Welding is first made over lining and then over material of pipes. Bushes are pressed by high-velocity plastic deformation. EFFECT: enhanced efficiency. 3 cl, 7 dwg

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RU 2 103 593 C1

Authors

Vojnov A.K.

Olovjanishnikov V.F.

Davydov V.A.

Zakharov A.A.

Glushchenkov V.A.

Karpukhin V.F.

Kolesnev S.V.

Burmistrov A.E.

Kakovkin D.A.

Chernov A.V.

Katasonov Ju.I.

Dates

1998-01-27—Published

1995-11-21—Filed

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