发明名称 BLAST SHIELD FOR MINE ROOF SUPPORTS
摘要 The invention provides a blast shield for protecting a mine roof support from the impacts of rocks during a blast, said blast shield including a shock absorption layer, which blast shield is, in use, secured to a portion of the outer surface of the mine roof support.
申请公布号 WO2014018992(A2) 申请公布日期 2014.01.30
申请号 WO2013ZA00052 申请日期 2013.07.22
申请人 SALTUS POLES CC 发明人 VENTER, JOHANN, ADRIAAN;BOCK, IMMO, EURICH
分类号 E21D15/00 主分类号 E21D15/00
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