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2 118 729

(13)

(51)

IPC

(21) (22)

Application

96110550/06, 1996-05-27

(22)

Actual filing date

1996-05-27

(45)

Published

1998-09-10

(72)

Inventor

Strelets Vladimir NikolaevichSmal'Ko Mikhail Anatol'EvichBunjak Ljubomir KonstantinovichPokhil'Chuk Igor' Aleksandrovich

(73)

Holder

Gosudarstvennoe Predprijatie Magistral'Nykh Nefteprovodov

END SEAL Russian patent published in 1998 - IPC

Abstract RU 2118729 C1

FIELD: sealing devices for revolving shafts of pumps and equipment; chemical, oil refining and other industries. SUBSTANCE: end seal is provided with annular groove on side of sealing chamber on outer section of working surface of revolving ring. Fitted in this groove is additional ring loaded with spring in axial direction; this ring is sealed in radial direction and is movable in axial direction, thus excluding opening of inner joint and consequently reducing leakage through seal. EFFECT: reduced leakage of liquid through seal. 3 dwg

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RU 2 118 729 C1

Authors

Strelets Vladimir Nikolaevich

Smal'Ko Mikhail Anatol'Evich

Bunjak Ljubomir Konstantinovich

Pokhil'Chuk Igor' Aleksandrovich

Dates

1998-09-10—Published

1996-05-27—Filed