发明名称 Method and Apparatus for Open Pit Bench Mining
摘要 A bench mining system and mining method, particularly useful for open pit bench mining, employs a combination of bulldozers and transversely movable apron feeders to provide the primary mechanism for removal of overburden. The apron feeders are preferably equipped with a self-cleaning arrangement to facilitate continuous operation without undue stoppages.
申请公布号 US2008093911(A1) 申请公布日期 2008.04.24
申请号 US20050575273 申请日期 2005.09.09
申请人 DRUMMOND COMPANY, INC. 发明人 DRUMMOND GARRY N.;HONEYCUTT EUGENE;ANDERSON HAROLD G.
分类号 E21C41/26;B65G47/74 主分类号 E21C41/26
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