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2 094 683

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C1

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IPC

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Application

94029260/06, 1994-08-05

(22)

Actual filing date

1994-08-05

(45)

Published

1997-10-27

(72)

Inventor

Shanaurin A.L.Filonov V.A.Rosljakov V.N.Plaskon' I.A.Gavrilov V.N.Protasov V.N.

(73)

Holder

Aktsionernaja Kompanija

METHOD FOR REPAIR OF GATE VALVES Russian patent published in 1997 - IPC

Abstract RU 2094683 C1

FIELD: mechanical engineering. SUBSTANCE: this relates to repair of oil pipe fittings in oil production industry. According to method, repair of gate valves primarily of wedge-type, is effected by installing rings into grooves rebored in body and wedge with clearance on cementing self-hardening composition with subsequent assembling and hardening of aforesaid composition in assembled unit. At least one of aforesaid rings is provided with shoulders and is installed on resilient members in matching groove which is preliminarily filled with cementing composition which when ring penetrates into it is interacting with resilient members on which ring shoulders are rested. EFFECT: high efficiency. 3 dwg

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RU 2 094 683 C1

Authors

Shanaurin A.L.

Filonov V.A.

Rosljakov V.N.

Plaskon' I.A.

Gavrilov V.N.

Protasov V.N.

Dates

1997-10-27—Published

1994-08-05—Filed

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