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2 071 543

(13)

C1

(51)

IPC

(21) (22)

Application

92015812/03, 1992-12-30

(22)

Actual filing date

1992-12-30

(45)

Published

1997-01-10

(72)

Inventor

Pinchuk Nikolaj Petrovich[Ru]Mel'Nichuk Igor' Pavlovich[Ru]Panin Nikolaj Mitrofanovich[Ru]Dumkin Lev Nikolaevich[Ru]Peretjaka Pavel Vladimirovich[Ua]Kurtov Veniamin Dmitrievich[Ua]Pustovojtenko Ivan Pavlovich[Ua]Mjazitov Kasim Usmanovich[Ru]

(73)

Holder

Pinchuk Nikolaj Petrovich[Ru]Mel'Nichuk Igor' Pavlovich[Ru]Panin Nikolaj Mitrofanovich[Ru]Dumkin Lev Nikolaevich[Ru]Peretjaka Pavel Vladimirovich[Ua]Kurtov Veniamin Dmitrievich[Ua]Pustovojtenko Ivan Pavlovich[Ua]Mjazitov Kasim Usmanovich[Ru]

HYDRAULIC DISCONNECTOR Russian patent published in 1997 - IPC

Abstract RU 2071543 C1

FIELD: mining industry. SUBSTANCE: in liquidation of breakdowns relating to seizure of drilling tool, disconnection of tube column from seized part of tool is effected by left-hand thread which connects body with tool by way of unlocking of left-hand thread fixing unit made in the form of eccentric coupling of body, lower adapter and rod. Unlocking is realized by displacing rod with piston after dropping of lower adapter valve. EFFECT: high efficiency. 1 cl, 1 dwg

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RU 2 071 543 C1

Authors

Pinchuk Nikolaj Petrovich[Ru]

Mel'Nichuk Igor' Pavlovich[Ru]

Panin Nikolaj Mitrofanovich[Ru]

Dumkin Lev Nikolaevich[Ru]

Peretjaka Pavel Vladimirovich[Ua]

Kurtov Veniamin Dmitrievich[Ua]

Pustovojtenko Ivan Pavlovich[Ua]

Mjazitov Kasim Usmanovich[Ru]

Dates

1997-01-10—Published

1992-12-30—Filed

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