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2 026 952

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C1

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IPC

(21) (22)

Application

4907349/03, 1990-11-15

(22)

Actual filing date

1990-11-15

(45)

Published

1995-01-20

(72)

Inventor

Urazakov K.R.Ikonnikov I.I.Khakimov A.M.Litvak V.N.Pesljak Ju.A.

(73)

Holder

Bashkirskij Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Neftjanoj Promyshlennosti

PROTECTOR Russian patent published in 1995 - IPC

Abstract RU 2026952 C1

FIELD: downhole equipment. SUBSTANCE: protector body parts are installed with clearance and for radial motion with respect to each other. One side of body parts has inner diametrically opposite recesses, and the other side of each part has tails located in body recesses. EFFECT: higher reliability of operation of sucker rod string. 3 dwg

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RU 2 026 952 C1

Authors

Urazakov K.R.

Ikonnikov I.I.

Khakimov A.M.

Litvak V.N.

Pesljak Ju.A.

Dates

1995-01-20—Published

1990-11-15—Filed

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