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    • 2. 发明申请
    • Concrete weldment
    • 混凝土焊件
    • US20120192506A1
    • 2012-08-02
    • US12931382
    • 2011-01-29
    • Ming-Ta King
    • Ming-Ta King
    • E04G21/14B29C37/04E04B1/41
    • B28B23/0056E04B1/043E04B5/023
    • A weldment that is embedded in a concrete slab-type structural member. There is a central plate having a planar, weldable surface and disposed along an outer edge of the concrete slab. A pair of divergingly extending arms extends from the weldable surface and is embedded in the concrete slab. One or both of the extending arms has an irregular upper edge to engage the surrounding concrete. The irregular edge may be a series of v-shaped notches or v-shaped raised portions or any combination forming a saw tooth configuration. A method of manufacturing the weldment in the concrete slab is accomplished by locating the weldment in a mold and fastening a cap around the central plate. The weldment and cap are attached to the mold. After the concrete is poured and hardens into the slab, the cap is removed exposing a clean weldable surface.
    • 嵌入在混凝土板型结构件中的焊件。 存在具有平面的可焊接表面并沿着混凝土板的外边缘设置的中心板。 一对发散的臂从可焊接表面延伸并嵌入混凝土板中。 一个或两个延伸臂具有不规则的上边缘以接合周围的混凝土。 不规则边缘可以是一系列v形凹口或V形凸起部分或形成锯齿构造的任何组合。 通过将焊件定位在模具中并将盖紧固在中心板上来实现在混凝土板中制造焊件的方法。 焊件和盖子连接到模具上。 在混凝土浇注并硬化到板坯中之后,盖子被清除,暴露出一个干净的可焊接表面。
    • 6. 发明授权
    • Method of friction welding
    • 摩擦焊接方法
    • US3609854A
    • 1971-10-05
    • US3609854D
    • 1968-07-30
    • NAT RES INST METALS
    • HASUI ATSUSHI
    • B23K20/12B29C37/04B29C65/06B23K27/00
    • B23K20/12B29C37/04B29L2023/22
    • THE DISCLOSURE PROVIDES A METHOD OF AND AN APPARATUS FOR FRICTION WELDING WORKPIECES IN WHICH A FIRST WORKPIECE IS SECURED TO A FIRST DRIVE SHAFT AND A SECOND WORKPIECE IS SECURED TO A SECOND FREELY ROTATABLE SHAFT, THE FIRST DRIVE SHAFT IS ROTATED AT A CONSTANT SPEED, THE FREE END OF THE SECOND WORKPIECE IS CONTACTED TO THE FREE END OF THE FIRST WORKPIECE BY THE AXIAL FORCE SO AS TO FREELY ROTATE THE SECOND WORKPIECE AND ACCELERATE THE ROTATION OF THE SECOND WORKPIECE TO REACH THE ROTATIONAL SPEED OF THE FIRST WORKPIECE, AND DURING WHICH PERIOD A WELD IS COMPLETED, AND SIMULTANEOUSLY, FLASH FORMING AT THE JOINT OF WORKPIECES DURING FRICTION WELDING CAN BE REMOVED.
    • 提供了用于焊接工件的设备,其中第一工件被固定到从动轴并且第二工件被固定到可自由旋转的轴。 从动轴以恒定速度旋转。 要焊接的两个工件的表面通过轴向力接合以旋转第二工件并加速第二工件的旋转以达到第一工件的转速,在此期间焊接完成。 同时,除去在摩擦焊接过程中在工件接头处形成的闪光。