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2 294 476

(13)

(51)

IPC

F16L15/00(2006-01-01)

(21) (22)

Application

2005122433/06, 2005-07-15

(24)

Start date

2005-07-15

(22)

Actual filing date

2005-07-15

(45)

Published

2007-02-27

(72)

Inventor

Bodrov Jurij VladimirovichGrekhov Aleksandr IgorevichZaslavskij Aleksandr VladimirovichKurnev Evgenij MikhajlovichLefler Mikhail NoekhovichMarchenko Leonid Grigor'EvichPumpjanskij Dmitrij AleksandrovichPonomarev Nikolaj GeorgievichSuvorov Aleksandr Vadimovich

(73)

Holder

Oao Trubnyj Zavod"

PIPE JOINT Russian patent published in 2007 - IPC F16L15/00

Abstract RU 2294476 C1

FIELD: oil and gas industry.

SUBSTANCE: pipe joint comprises female member (coupling) provided with inner thread, male member (pipe) provided with outer thread at its end, and indicator of relative position of the pipe and coupling when screwing made of ring groove behind the thread.

EFFECT: enhanced reliability.

4 dwg

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RU 2 294 476 C1

Authors

Bodrov Jurij Vladimirovich

Grekhov Aleksandr Igorevich

Zaslavskij Aleksandr Vladimirovich

Kurnev Evgenij Mikhajlovich

Lefler Mikhail Noekhovich

Marchenko Leonid Grigor'Evich

Pumpjanskij Dmitrij Aleksandrovich

Ponomarev Nikolaj Georgievich

Suvorov Aleksandr Vadimovich

Dates

2007-02-27—Published

2005-07-15—Filed