发明名称 COAL SAVER
摘要 <p>A coal caving system including a canopy for supporting a mine roof and a conveyor positioned beneath the canopy which also includes a rear canopy with a slider door for selectively caving coal onto the conveyor, the system further including a coal saver device coupled relative to the conveyor for at least partially filling a goaf region adjacent the conveyor, wherein the device includes a tray arranged to be supported directly on a ground surface to accumulate coal which forms into a mound in the goaf region and serves to direct goaf spill onto the conveyor.</p>
申请公布号 WO2012162720(A1) 申请公布日期 2012.12.06
申请号 WO2012AU00077 申请日期 2012.01.31
申请人 YANCOAL AUSTRALIA LTD;CHANDLER, STEVEN;WANG, MAOHU MATTHEW 发明人 CHANDLER, STEVEN;WANG, MAOHU MATTHEW
分类号 E21D23/00;E21F13/00 主分类号 E21D23/00
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