发明名称 CABLE BOLT APPARATUS AND METHOD OF INSTALLATION FOR MINES
摘要 Cable bolt wedge barrel, installation apparatus and method, for cable bolt installation in a mine borehole provided an interior resin system, wherein the wedge barrel of the cable bolt employed, and the tool used to revolve and supply thrust to the same, are mutually designed for (1) mutual, operative, wall-friction and/or end-detent drive engagement within a given torque range for the resin system employed, as applied by said tool, and (2) operative slippage when said range is exceeded, thereby precluding the emergence of the undesirable condition of over-mixing the resin system present in said borehole and consequent diminution of the resin system's holding power relative to the cable bolt within the borehole.
申请公布号 US2003185632(A1) 申请公布日期 2003.10.02
申请号 US20020112868 申请日期 2002.04.02
申请人 SEEGMILLER BEN L. 发明人 SEEGMILLER BEN L.
分类号 E21D21/00;(IPC1-7):E21D20/00 主分类号 E21D21/00
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