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2 386 886

(13)

(51)

IPC

F16L15/00(2006-01-01)

(21) (22)

Application

2008143445/06, 2008-11-05

(24)

Start date

2008-11-05

(22)

Actual filing date

2008-11-05

(45)

Published

2010-04-20

(72)

Inventor

Kudinov Vladimir NikolaevichKhatipov Vladimir ZarifulovichVelikanov Aleksandr VladimirovichSaulenko Vladimir GavrilovichGordeev Aleksej Alekseevich

(73)

Holder

Kudinov Vladimir NikolaevichKhatipov Vladimir ZarifulovichVelikanov Aleksandr Vladimirovich

METHOD FOR SEALING OF THREADED JOINT FOR PIPES AND ITS DESIGN Russian patent published in 2010 - IPC F16L15/00

Abstract RU 2386886 C1

FIELD: construction.

SUBSTANCE: threaded joint for pipes comprises contact surfaces including sections equipped with thread and sealant arranged between contact surfaces of joined pipes. Sealant is installed in lengthy elastic sleeve with length of at least one thread turn equipped with nozzle at one of its ends. Shell of lengthy elastic sleeve may be arranged as impermeable or partially permeable for sealant.

EFFECT: invention makes it possible to execute sealing of joints in non-disconnected pipeline, where pumped medium prevents location and beginning of direct functioning of sealant.

13 cl, 4 dwg

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RU 2 386 886 C1

Authors

Kudinov Vladimir Nikolaevich

Khatipov Vladimir Zarifulovich

Velikanov Aleksandr Vladimirovich

Saulenko Vladimir Gavrilovich

Gordeev Aleksej Alekseevich

Dates

2010-04-20—Published

2008-11-05—Filed