发明名称 SCATTER PREVENTION TOOL FOR BLASTING, AND BLASTING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a scatter prevention tool for blasting, and a blasting method superior in scatter prevention of flying rocks, protection material, or the like due to blasting work, and capable of improving safety and work efficiency. SOLUTION: A connected iron plate part 2 connecting plural iron plates 2a in layers by a connection chain 3 with intervals in between in an iron plate plane vertical direction is suspended by hooking a suspension hook 11 of a crane to a hoisting accessory 4b of a hook part 4 connected to the iron plate 2a of an upper end of the connected iron plate part 2, the iron plate 2a of a lower end is placed on a base rock 10 to be blasted, the connected iron plates 2a are sequentially slid in a lateral direction, and the vertically connected iron plates 2a are placed in a state with one parts overlapping to cover a hole opening part 9a of an explosive loading hole 9 and its periphery. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008089261(A) 申请公布日期 2008.04.17
申请号 JP20060272445 申请日期 2006.10.04
申请人 CENTRAL NIPPON EXPRESSWAY CO LTD;TOA HARBOR WORKS CO LTD;MATSUMURA GUMI CORP 发明人 KITAMURA YOSHINORI;FUKUMOTO SHIGERU;MUKUMOTO KAZUHIRO;MASUMOTO YOICHI
分类号 F42D5/045;F42D3/04 主分类号 F42D5/045
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