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    • 7. 发明授权
    • Method and apparatus for waterproofing concrete
    • 防水混凝土的方法和装置
    • US4754590A
    • 1988-07-05
    • US907328
    • 1986-09-15
    • James R. Gordon
    • James R. Gordon
    • E04G17/06E04G23/02
    • E04G17/0644
    • A rod hole plugging system for providing an effective permanent plug within a tie rod hole extending through the thickness of a poured cement wall utilizes a short, low cost plug selected from natural fibre or synthetic foam, which is soaked by a liquid resin coating which is seasonally selectible to meet environmental conditions. The selected plug has a diameter exceeding that of the rod hole to be plugged. The selected group of resins is water-tolerating and impermeable, and may be a high solids polyisocyanate prepolymer that will harden to a polyurethane polymer; or it may be a selected mixture of epoxy resin and hardener. The plug is soaked in the resin, and is then diametrically compressed and inserted within the interior (i.e., inside the foundation of the structure) end of the rod hole being treated. The elastic memory of the plug material causes it to swell and engage the walls of the rod hole, in which condition the liquid resin sets up. A low cost, substantially waterproof, permanent plug for the rod hole is thereby established.
    • 用于在延伸穿过浇注的水泥墙的厚度的拉杆孔内提供有效的永久插塞的杆孔堵塞系统使用选自天然纤维或合成泡沫的短的,低成本的塞子,其被液体树脂涂层浸泡, 季节性选择以满足环境条件。 所选择的插头的直径超过要插拔的杆孔的直径。 所选择的一组树脂是耐水和不渗透的,并且可以是将固化成聚氨酯聚合物的高固含量多异氰酸酯预聚物; 或者它可以是选择的环氧树脂和硬化剂的混合物。 将塞子浸泡在树脂中,然后被径向压缩并插入被处理的杆孔的内部(即,结构的基底内)的端部。 插塞材料的弹性记忆使其膨胀并接合杆孔的壁,在这种情况下液体树脂建立。 由此建立了用于杆孔的低成本,基本上防水的永久塞子。
    • 8. 发明授权
    • Expandable tie anchor
    • 可展开的领带
    • US4027847A
    • 1977-06-07
    • US670979
    • 1976-03-26
    • Clavin R. Johnson
    • Clavin R. Johnson
    • E04G17/06E04G17/08
    • E04G17/06E04G17/0644
    • A tie rod is provided having an abutment on one end portion thereof spaced a predetermined distance inwardly of the terminal end of the rod. A tubular sleeve is slidably mounted on the one end portion of the rod outwardly of the abutment for endwise abutting engagement with the latter and the sleeve includes structure which renders the sleeve substantially incompressible in an axial direction, but enables the sleeve to be expanded in radial directions. A wedge sleeve is slidably mounted on the end portion of the rod outwardly of the first-mentioned sleeve and includes a tapered end portion receivable within and operative to radially expand the adjacent end of the first-mentioned sleeve. The diameter of the first-mentioned sleeve is such to be received through a bore formed in a concrete form wall and may be expanded, upon movement of the wedge sleeve theretoward, to a diameter larger than the aforementioned bore whereby the outer end of the first-mentioned sleeve will abut the inner surfaces of the form wall about the bore through which the free end portion of the rod extends.
    • 提供一种拉杆,其在其一端部上具有与杆的终端内部隔开预定距离的邻接部。 管状套筒可滑动地安装在杆的一个端部部分上,用于与其邻接的端部邻接接合,并且套筒包括使得套筒在轴向方向上基本上不可压缩的结构,但是能够使套筒以径向 方向。 楔形套筒可滑动地安装在第一个提到的套筒外部的杆的端部上,并且包括锥形端部,其可接收在第一提及的套筒的相邻端部内并且可操作地径向扩张。 首先提到的套筒的直径可以通过形成在混凝土形式的壁中的孔容纳,并且当楔形套筒向其移动时可以膨胀到比上述孔大的直径,由此第一 所述套筒将围绕所述孔的内表面邻近所述孔的自由端部延伸通过所述孔。