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    • 1. 发明授权
    • Expansion plug with tensioning member and two expansion tubes
    • 膨胀塞带有张紧件和两个膨胀管
    • US5820321A
    • 1998-10-13
    • US525692
    • 1995-09-15
    • Heinz Gruber
    • Heinz Gruber
    • F16B13/04F16B13/00F16B13/06F16B13/14
    • F16B13/141F16B13/003F16B13/061
    • An expansion plug has at least one tensioning member, an expansion means formed by a system of at least two expansion tubes encircling the tensioning member and fitted one within another, each of the expansion tubes being provided with a series of slots which are equally spaced in a circumferential direction to retain peripheral sections of the expansion tubes between the slots, the slots extending over a part of a length of the expansion tubes, the tensioning member and the at least two expansion tubes being dimensioned and shaped so that by inserting an axial relative movement the peripheral sections are radially expanded in order to achieve an anchoring effect, the slots of the at least two expansion tubes having a shape which is helical in relation to an axis of a respective one of the expansion tubes, the slots having a slope such that the slope of radially adjacent ones of the expansion tubes are of mutually opposite hand, the expansion tubes being arranged to be non-rotatable relative to one another.
    • PCT No.PCT / EP94 / 00841 Sec。 371 1995年9月15日第 102(e)1995年9月15日PCT PCT 1994年3月17日PCT公布。 公开号WO94 / 23216 日期1994年10月13日膨胀塞具有至少一个张紧构件,膨胀装置由至少两个围绕张紧构件的膨胀管的系统形成并且装配在另一个中,每个膨胀管设置有一系列槽 其在圆周方向上等间隔以将膨胀管的周边部分保持在狭槽之间,狭槽在膨胀管的一段长度的一部分上延伸,张紧构件和至少两个膨胀管的尺寸和形状使得 通过插入轴向相对运动,周向部分被径向膨胀以便实现锚定效果,所述至少两个膨胀管的槽具有相对于相应的一个膨胀管的轴线是螺旋形的形状, 狭槽具有使得径向相邻的膨胀管的斜面彼此相对的倾斜,膨胀管布置成b e相对于彼此是不可旋转的。
    • 3. 发明授权
    • Injection tube and method for placing a ground anchor
    • 注射管和放置地锚的方法
    • US5653557A
    • 1997-08-05
    • US988970
    • 1993-11-22
    • Heinz Gruber
    • Heinz Gruber
    • E02D5/76E21D20/00E21D20/02
    • E21D20/02E02D5/76
    • An injection bore anchor for use with rock having particularly low cohesive properties has at least two injection valves arranged in the front region of the injection bore anchor and formed as non-return valves so that it is possible for the grout suspension issuing from a longitudinal channel running through the injection bore anchor to flow out but not the reverse. In order to place the injection bore anchor, the injection bore anchor is initially used as a bore rod, wherein a flushing fluid is guided through a longitudinal channel and the bores in the region of a bore-crown. Subsequently, a grout suspension is introduced through the longitudinal channel into the bore hole for filling the bore hole, wherein subsequently the residual grout suspension located within the channel is displaced as far as the region of the bore-crown by a displacement body introduced into the channel. By a grout suspension being introduced again after the initial setting of the grout suspension in the bore hole and the rout suspension now flowing out due to the injection valves, exerting a cracking open effect on the grout located here and/or penetrating in the still existing cracks and gaps, the bore hole in the region of the bore hole bottom and the surrounding rock is expanded and thus the size of the region penetrated by the grout is considerably increased, so that it is possible to secure reliably the position of the injection bore anchor in the surrounding rock.
    • PCT No.PCT / EP92 / 01208 Sec。 371日期:1993年11月22日 102(e)日期1993年11月22日PCT提交1992年5月30日PCT公布。 出版物WO93 / 01363 日期1993年1月21日对于具有特别低内聚性的岩石使用的注射孔锚固件,至少有两个喷射阀布置在注射孔锚固件的前部区域中,并形成止回阀,使得可以进行灌浆悬浮 从穿过注射孔锚固件的纵向通道发出流出而不是相反的。 为了放置注射孔锚固件,注射孔锚固件最初用作钻杆杆,其中冲洗流体被引导通过纵向通道并且孔在孔冠的区域中。 随后,将浆料悬浮液通过纵向通道引入到钻孔中,用于填充钻孔,其中随后,位于通道内的残留的浆料悬浮液通过被引入到孔内的位移体移位到孔冠的区域 渠道。 通过在钻孔中的灌浆悬浮液的初始设定之后再次引入灌浆悬浮液,并且由于注射阀现在流出的破裂悬架,对位于此处的灌浆施加开裂效应和/或渗透到仍然存在的 裂缝和间隙,钻孔底部和周围岩石区域中的钻孔膨胀,因此由灌浆渗透的区域的尺寸大大增加,从而可以可靠地固定注射孔的位置 锚在周围的岩石。
    • 9. 发明授权
    • Projectile stopping device
    • 射弹停止装置
    • US06526861B1
    • 2003-03-04
    • US09554154
    • 2000-05-09
    • Heinz Gruber
    • Heinz Gruber
    • F41J112
    • F41J13/00
    • A projectile stopping device is proposed for the purpose of damping the noise propagation linked to the striking of projectiles, for the purpose of braking the projectiles and for easier recovery thereof, the individual stopping curtains (27 to 29) of which projectile stopping device, which are spaced apart from each other in the firing direction (1), consist of suspended steel cables. The stopping cables (26) are received in receiving devices which are identically formed at the top and bottom, and are thereby connected to guides (32) which are also formed in an identical manner to each other. The attachment of the stopping cables to these guides and their arrangement within a curtain are arranged in such a way that each stopping cable, when deflected, is always subject to a return force bringing it back into its original position. The projectiles striking the stopping curtains formed in this way within a firing field effect deflections of the steel cables both in the planes of the individual stopping curtains and also perpendicular thereto and can, after successful braking, be caught on the floor and sent for proper disposal.
    • 提出了一种弹丸停止装置,用于减轻与撞击相关的噪声传播,为了制动射弹,并且为了更容易地回收,可以将弹丸停止装置的各个停止窗帘(27至29),其中 在烧制方向(1)上彼此间隔开,由悬挂钢缆组成。 停止电缆(26)被容纳在顶部和底部同样形成的接收装置中,从而连接到也以相同方式形成的引导件(32)。 将停止电缆连接到这些引导件及其在帘子内的布置被布置成使得每个停止缆线在被偏转时总是经受使其返回其原始位置的返回力。 射击在射击场中以这种方式形成的防弹窗帘,在单个挡帘的平面内也垂直于钢丝索的钢索的弯曲,并且能够在成功制动之后被抓住在地板上并被送到适当的处置 。