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2 179 242

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IPC

(21) (22)

Application

98118222/03, 1998-10-05

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Start date

1998-10-05

(22)

Actual filing date

1998-10-05

(45)

Published

2002-02-10

(72)

Inventor

Konanykhin V.A.Makarenko E.M.Konanykhin A.I.Doroguntsov V.V.Goldobin V.V.Kholkin V.S.

(73)

Holder

Oao Rudoupravlenie"

METHOD OF MINE WORKING SINKING Russian patent published in 2002 - IPC

Abstract RU 2179242 C2

FIELD: mining. SUBSTANCE: method includes formation of cavity by contour of mine working of required cross-section by drilling of conjugated holes from drilled working for undercutting. As drilling process advances, artificial plugs are installed into conjugated holes and they are removed by drilling upon completion of complete outlining of working, and lowering of core by gravity. EFFECT: higher efficiency of preparation of vertical cavities of required shape without blasting operations. 4 dwg

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RU 2 179 242 C2

Authors

Konanykhin V.A.

Makarenko E.M.

Konanykhin A.I.

Doroguntsov V.V.

Goldobin V.V.

Kholkin V.S.

Dates

2002-02-10—Published

1998-10-05—Filed

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