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2 184 005

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IPC

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Application

99118987/02, 1999-09-01

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Start date

1999-09-01

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Actual filing date

1999-09-01

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Published

2002-06-27

(72)

Inventor

Takhautdinov Sh.F.Zherebtsov E.P.Zagirov M.M.Kalachev I.F.Astaf'Ev N.I.Voronin N.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

LARGE-DIAMETER PIPE STRAIGHTENING APPARATUS Russian patent published in 2002 - IPC

Abstract RU 2184005 C2

FIELD: pipeline conveyance equipment used in oil industry. SUBSTANCE: apparatus has welding frame, stops, rollers, hydraulic cylinder and high-frequency current inductor mounted for reciprocation. Hydraulic cylinder is mounted in horizontal position in opposed relation to inductor. Inductor, hydraulic cylinder and stops are adjustable in vertical plane. Stop beds, hydraulic cylinder striker and working zone of inductor are made in the form of semicylinder. EFFECT: simplified construction and increased efficiency. 2 cl, 1 dwg

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RU 2 184 005 C2

Authors

Takhautdinov Sh.F.

Zherebtsov E.P.

Zagirov M.M.

Kalachev I.F.

Astaf'Ev N.I.

Voronin N.A.

Dates

2002-06-27—Published

1999-09-01—Filed

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