发明名称 METHOD FOR FORMATION OF SLOT RAISE
摘要 A method for formation of slot raise with well charges in one blast includes penetration of discharge and supply workings in bottom of block (panel), drilling rings of deep wells, formation of explosive charges in those with initiator and blasting those. Area of vertical rings of well charges is placed in parallel to long axis of vertical slot raise and normally relative to ceiling of horizontal cut compensation working penetrated in the base of the slot by its extension.
申请公布号 UA26798(U) 申请公布日期 2007.10.10
申请号 UA20070004819 申请日期 2007.04.28
申请人 KRYVYI RIH TECHNICAL UNIVERSITY 发明人
分类号 E21C41/00 主分类号 E21C41/00
代理机构 代理人
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