METHOD OF OPENING OF MINE HORIZONS FROM DEEP OPENCASTS IN MINING OF KIMBERLITE DEPOSITS,申请号RU20010123834-传众专利搜索

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发明名称	METHOD OF OPENING OF MINE HORIZONS FROM DEEP OPENCASTS IN MINING OF KIMBERLITE DEPOSITS
摘要	FIELD: mining; applicable in opening of underground part of kimberlite-deposits. SUBSTANCE: method includes opencast mining by benches and driving of horizontal workings from benches. Opening of underground part of deposit is effected by inclined shafts beyond limits of caving prism and further-on beyond ore body in broken direction with shaft sinking and rising from horizontal workings, or by combined system. EFFECT: reduced terms of opening of mine horizons and provided continuous ore haulage. 3 dwg
申请公布号	RU2208160(C2)	申请公布日期	2003.07.10
申请号	RU20010123834	申请日期	2001.08.28
申请人	INSTITUT GORNOGO DELA SEVERA SO RAN	发明人	VASIL'EV P.N.;ZUBKOV V.P.;KISILICHIN A.I.
分类号	E21C41/00	主分类号	E21C41/00
代理机构		代理人
主权项
地址

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