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1 805 586

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(51)

IPC

(21) (22)

Application

4897974/03, 1990-12-29

(22)

Actual filing date

1990-12-29

(45)

Published

1996-06-27

(72)

Inventor

Perevalov V.S.Dobroborskij G.A.Bardovskij A.D.Perevalov S.V.Ljansberg L.M.Makhonina I.A.

SCREENING DEVICE Russian patent published in 1996 - IPC

Abstract SU 1805586 A1

FIELD: mining industry; concentration installations; separation of materials by size of lumps. SUBSTANCE: screening device has housing 1 with arc screen 2 whose loading and unloading sections are hinge-connected to each other. Ratio of lengths of unloading and loading sections is 3:1, and ratio of sizes of holes, 1:3, respectively. Lower edge of unloading section is connected with vibration exciter. EFFECT: enhanced quality of screening. 2 dwg

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SU 1 805 586 A1

Authors

Perevalov V.S.

Dobroborskij G.A.

Bardovskij A.D.

Perevalov S.V.

Ljansberg L.M.

Makhonina I.A.

Dates

1996-06-27—Published

1990-12-29—Filed