METHOD FOR WORKING FLAT AND INCLINED DEPOSITS OF MINERALS Russian patent published in 1998 - IPC

Abstract RU 2105150 C1

FIELD: mining industry. SUBSTANCE: according to method, underground workings are driven, and split trench is located in lower part of mineral deposit, and development workings are arranged through mineral at seam roof. Braking planes are formed as inclined, and site for displacing block is created from rock matter with incline angle of its surface which exceeds descending angle of seam. EFFECT: higher efficiency. 4 dwg

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RU 2 105 150 C1

Authors

Vasil'Ev P.N.

Efremov A.P.

Tsygankov A.V.

Dates

1998-02-20—Published

1995-08-08—Filed