发明名称 System for the pneumatic delivery of emulsion explosives.
摘要 Apparatus for delivery under pressure of emulsion explosives to boreholes using an annular stream of water for lubrication. Maintaining the water pressure at least 10 psi greater than the emulsion pressure has been found to maintain the integrity of the lubricating annulus of water.
申请公布号 ZA9704921(B) 申请公布日期 1997.11.05
申请号 ZA19970004921 申请日期 1997.06.04
申请人 DYNO NOBEL INC. 发明人 KEITH J. MCDONALD;KERRY S. ATKINSON
分类号 F42D1/12;F42B3/00;F42B4/00;F42D1/10 主分类号 F42D1/12
代理机构 代理人
主权项
地址