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    Film supply monitor for film wrapping machine
    1.
    发明授权
    Film supply monitor for film wrapping machine 失效
    薄膜包装机胶片供应监视器

    公开(公告)号：US4501105A

    公开(公告)日：1985-02-26

    申请号：US371682

    申请日：1982-04-26

    申请人： Robert M. Rogers ,  Fritz F. Treiber ,  Russell E. Bowers

    发明人： Robert M. Rogers ,  Fritz F. Treiber ,  Russell E. Bowers

    IPC分类号： B65B11/54 ,  B65B59/00 ,  B65B59/02

    CPC分类号： B65B11/54 ,  B65B59/00

    摘要： In a film wrapping machine for wrapping packages in stretchable film, a monitoring system is provided to generate a signal each time film is drawn into the machine. If no film is drawn into the machine indicating that the film source has expired, broken or otherwise become disengaged from the film feeding apparatus for the wrapping machine, the machine is stopped. The film draw into the machine is monitored by an electrical switch which is coupled to a tensioning roller, the motion of which is adjusted to activate the switch each time even at least a minimum length of film is drawn into the machine.

    摘要翻译： 在用于在可拉伸薄膜中包装包装的薄膜包装机中，提供监测系统以在每次将薄膜吸入机器时产生信号。 如果没有胶片被吸入机器中，指示胶片来源已经过期，断开或以其他方式从包装机的胶片供给装置脱离，则机器停止。 吸入机器的胶片由电气开关监控，该电开关连接到张紧辊上，每个辊子的运动被调节以激活开关，即使至少最小长度的胶片被拉入机器中。

    Vehicle barrier system
    8.
    发明授权
    Vehicle barrier system 有权
    车辆屏障系统

    公开(公告)号：US07371029B2

    公开(公告)日：2008-05-13

    申请号：US11515080

    申请日：2006-09-01

    申请人： Robert M. Rogers ,  Graeme Waitzkin ,  Vincent Lee ,  Scott Demel

    发明人： Robert M. Rogers ,  Graeme Waitzkin ,  Vincent Lee ,  Scott Demel

    IPC分类号： E01F15/08

    CPC分类号： E01F13/12 ,  E01F13/126

    摘要： A security barrier system for use with a trafficable surface and a site requiring protection from advancing vehicles includes a visual indicator element having an appearance that is distinctive from the trafficable surface and disposed adjacent to the trafficable surface. A composite bed system includes a first structure beneath a second structure, where the first structure includes a deformable material that collapses under vehicle loads, and the second structure includes a pedestrian cover surface of a different material over the deformable material that conceals the deformable material and supports pedestrian traffic over the deformable material without permanently collapsing the deformable material. A pedestrian sidewalk is located between the bed and the visual indicator element, and a containment structure contains the bed system and resists the impact of a vehicle that has traversed the bed system.

    摘要翻译： 用于可交通的表面和需要保护的行进车辆的场所的安全屏障系统包括视觉指示元件，该视觉指示元件具有与可行驶的表面不同的外观并且邻近可行驶的表面设置。 复合床系统包括在第二结构下面的第一结构，其中第一结构包括在车辆载荷下塌缩的可变形材料，并且第二结构包括在可变形材料上的不同材料的行人盖表面，其隐藏可变形材料， 支持可变形材料上的行人交通，而不会永久地塌缩可变形材料。 行人人行道位于床和视觉指示器元件之间，并且容纳结构包含床系统并抵抗已经穿过床系统的车辆的冲击。