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2 079 655

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IPC

(21) (22)

Application

94024955/03, 1994-07-01

(22)

Actual filing date

1994-07-01

(45)

Published

1997-05-20

(72)

Inventor

Peshkov I.S.Nikishichev B.G.Belokopytov P.I.Tyshkevich N.S.Kablashov M.A.

(73)

Holder

Sibirskij Gosudarstvennyj Proektnyj Institut Po Proektirovaniju Shakht, Razrezov, Obogatitel'Nykh Fabrik

METHOD OF MINING OF SERIES OF FLAT-LYING COAL SEAMS Russian patent published in 1997 - IPC

Abstract RU 2079655 C1

FIELD: coal mining. SUBSTANCE: driven after paneling of mine field are inclined shafts. Before extraction of the upper layer, inclined shafts are driven in the neighboring underlying seam for supply of fresh air into mine and they are connected by ventilation crosscuts with inclined shafts of mines seam, and each successive mined seam of the series is connected with ventilation crosscuts of neighboring underlying seam, and with neighboring overlying seam by means of haulage crosscuts. In addition, stage drifts are driven downgrade towards flank shaft. EFFECT: higher efficiency. 3 cl, 2 dwg

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RU 2 079 655 C1

Authors

Peshkov I.S.

Nikishichev B.G.

Belokopytov P.I.

Tyshkevich N.S.

Kablashov M.A.

Dates

1997-05-20—Published

1994-07-01—Filed