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2 120 551

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(51)

IPC

(21) (22)

Application

97113733/03, 1997-07-23

(22)

Actual filing date

1997-07-23

(45)

Published

1998-10-20

(72)

Inventor

Borzjak V.E.Goncharov V.V.Kompaneets V.T.Matveev V.A.Feoktistov V.M.Shapovalov V.P.

(73)

Holder

Shakhtinskij Institut Novocherkasskogo Gosudarstvennogo Tekhnicheskogo Universiteta

METHOD OF UNDERGROUND MINING OF MINERAL BEDDED DEPOSITS Russian patent published in 1998 - IPC

Abstract RU 2120551 C1

FIELD: mining industry, in particular, underground mining of coal deposits. SUBSTANCE: method includes opening of block of mine field by uprising vertical blind shafts driven from group horizontal underground workings. In this case, group horizontal workings are driven in the floor of the low mined bed to the depth of lower boundary of mine field and connected with the main hoisting opening working. EFFECT: higher efficiency. 5 dwg

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RU 2 120 551 C1

Authors

Borzjak V.E.

Goncharov V.V.

Kompaneets V.T.

Matveev V.A.

Feoktistov V.M.

Shapovalov V.P.

Dates

1998-10-20—Published

1997-07-23—Filed