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2 084 739

(13)

C1

(51)

IPC

(21) (22)

Application

93057533/06, 1993-12-28

(22)

Actual filing date

1993-12-28

(45)

Published

1997-07-20

(72)

Inventor

Lapshin A.M.Gordon A.M.Rolin V.I.Balashov V.A.

(73)

Holder

Voronezhskij Mekhanicheskij Zavod

GATE VALVE PNEUMATIC DRIVE Russian patent published in 1997 - IPC

Abstract RU 2084739 C1

FIELD: mechanical engineering; power pneumatic drives for control of pipe line fittings in gas-and-oil producing industry. SUBSTANCE: pneumatic drive and cover of housing are provided with flanges articulated together and provided with slots forming the port through which sectional rod is dismantled. Piston is spring-loaded. EFFECT: enhanced reliability. 2 cl, 6 dwg

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RU 2 084 739 C1

Authors

Lapshin A.M.

Gordon A.M.

Rolin V.I.

Balashov V.A.

Dates

1997-07-20—Published

1993-12-28—Filed

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