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2 072 043

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IPC

(21) (22)

Application

93010404/03, 1993-03-01

(22)

Actual filing date

1993-03-01

(45)

Published

1997-01-20

(72)

Inventor

Goncharevich I.F.Starichnev V.V.Antonov A.D.Perederko V.V.Kolosov V.N.Bekasov A.A.Jusev M.A.

(73)

Holder

Moskovskij Vechernij Metallurgicheskij Institut

PLOUGH DEVICE Russian patent published in 1997 - IPC

Abstract RU 2072043 C1

FIELD: underground mining. SUBSTANCE: plough device has ploughs with hydraulically driven cutting heads installed so as to be moved along mine face, and hydraulic jack for movement. As this takes place, plough cutting heads are equipped with hydraulic jacks with working fluid flow interrupting units for generating vibrations, and hydraulic jacks with pressure storages for compensating mine face squeezing out connected to pressure and drain pipelines of movement hydraulic jacks. EFFECT: higher efficiency. 2 dwg

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RU 2 072 043 C1

Authors

Goncharevich I.F.

Starichnev V.V.

Antonov A.D.

Perederko V.V.

Kolosov V.N.

Bekasov A.A.

Jusev M.A.

Dates

1997-01-20—Published

1993-03-01—Filed