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    • 1. 发明公开
    • A SUPPORT DEVICE
    • STÜTZVORRICHTUNG
    • EP3140607A4
    • 2017-10-04
    • EP15811872
    • 2015-06-26
    • PENHINE PTY LTD
    • FOURIE HEINRICH JOHANN
    • F42D1/18F42D1/08F42D1/20F42D1/22F42D1/24F42D3/04
    • F42D1/18
    • A support device (10) in the form of a plastics plug for supporting material comprising stemming (46) in the form of crushed stone and an explosive charge (48) in a blast drill hole (40) at a position wherein the material is spaced above a bottom wall (42) of the drill hole (40). The support device (10) comprises a cup-shaped material supporting portion (16) in which the material is supported and an elongate shank portion (18) which extends from the material supporting portion ( 16). The shank portion (18) has a tapering hollow conical configuration and is releasebly connected to the material supporting portion(16) in an arrangement permitting separation of the material supporting portion (16) from the shank portion (18) so that the material supporting portion (16) can be used separately in a mid-hole decking application.
    • 一种用于支撑材料的塑料塞形式的支撑装置(10),该材料包括粉碎石形式的填塞物(46)和喷砂钻孔(40)中的炸药(48),其中材料间隔开 在钻孔(40)的底壁(42)上方。 支撑装置(10)包括其中支撑材料的杯形材料支撑部分(16)和从材料支撑部分(16)延伸的细长杆部分(18)。 柄部分(18)具有渐缩的中空圆锥形构造,并且在允许材料支撑部分(16)与柄部分(18)分离的布置中可释放地连接到材料支撑部分(16),使得材料支撑部分 (16)可以在中孔装饰应用中单独使用。