发明名称 Method of strip mining
摘要 A strip mining technique wherein an active mining area is continuously moved across a mining ground. In one form of the invention, overburden is removed from a leading end of the active mining area and conveyed by a conveyor system located on a highwall of the mining area to a following end of that mining area. The conveyed overburden is dumped adjacent the active mining area following end to form a spoil bank which is landscaped and reclaimed. Another form of the invention includes a conveyor system located on the main bench.
申请公布号 US4150853(A) 申请公布日期 1979.04.24
申请号 US19780882861 申请日期 1978.03.02
申请人 MCCOY, CHARLES M 发明人 MCCOY, CHARLES M
分类号 E21C41/26;(IPC1-7):E21C47/02 主分类号 E21C41/26
代理机构 代理人
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