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2 096 661

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Application

95103572/06, 1995-03-13

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Actual filing date

1995-03-13

(45)

Published

1997-11-20

(72)

Inventor

Blinov Ju.I.Fedorin V.R.Pykhov S.I.Kuznetsov V.I.Khokhlov N.P.Jarygin V.N.Klimov V.P.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Nauchno-Issledovatel'Skij Institut Trubnoj PromyshlennostiAktsionernoe Obshchestvo Otkrytogo Tipa

COLLAR PLUNGER OF SUBMERGED WELL PUMP Russian patent published in 1997 - IPC

Abstract RU 2096661 C1

FIELD: oil industry. SUBSTANCE: pump has ring grooves provided on the outer cylindrical surface of the housing. The grooves receive flexible self-sealed collars provided with lubricated members. EFFECT: enhanced delivery. 1 dwg

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RU 2 096 661 C1

Authors

Blinov Ju.I.

Fedorin V.R.

Pykhov S.I.

Kuznetsov V.I.

Khokhlov N.P.

Jarygin V.N.

Klimov V.P.

Dates

1997-11-20—Published

1995-03-13—Filed

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