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Application

97107677/06, 1997-05-12

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Actual filing date

1997-05-12

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Published

1998-09-20

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Inventor

Serebrjanikov N.I.Voronin V.P.Zrojchikov N.A.Ulanov G.A.Makhortov V.P.Lomakin B.V.Tikhanovskij V.N.Gorjunov I.T.Avdeev V.V.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

SEALING UNIT FOR ROD OF SHUT-OFF CONTROL FITTINGS Russian patent published in 1998 - IPC

Abstract RU 2119111 C1

FIELD: sealing technology. SUBSTANCE: sealing unit includes bearing and hold-down members located in bore of housing of fitting and sealing rings made from expanded graphite for sealing the surfaces of rod and bore of housing. Two opposite ends of bore of body are provided with two metal cylindrical circular reservoirs. Each reservoir partially embraces adjacent sealing ring. Open ends of reservoirs are directed towards each other and are separated respectively from bearing and hold-down members by means of sealing rings made from expanded graphite. EFFECT: enhanced efficiency of sealing. 3 cl, 3 dwg

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RU 2 119 111 C1

Authors

Serebrjanikov N.I.

Voronin V.P.

Zrojchikov N.A.

Ulanov G.A.

Makhortov V.P.

Lomakin B.V.

Tikhanovskij V.N.

Gorjunov I.T.

Avdeev V.V.

Dates

1998-09-20—Published

1997-05-12—Filed

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