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162 条记录 (耗时 0.023 秒)

    Cattle-guard
    25.
    发明授权
    Cattle-guard 失效

    公开(公告)号：US470556A

    公开(公告)日：1892-03-08

    申请号：US470556D

    CPC分类号： E01B17/00

    Thirds to eufus p
    26.
    发明授权
    Thirds to eufus p 失效

    公开(公告)号：US325606A

    公开(公告)日：1885-09-01

    申请号：US325606D

    CPC分类号： E01B17/00

    Cattle guard construction and method
    27.
    发明授权
    Cattle guard construction and method 失效
    牛守卫施工方法

    公开(公告)号：US4387882A

    公开(公告)日：1983-06-14

    申请号：US257888

    申请日：1981-04-27

    申请人： Alex E. Mansour ,  Jon D. Bridgwater

    发明人： Alex E. Mansour ,  Jon D. Bridgwater

    IPC分类号： A01K3/00 ,  E01B17/00 ,  E01C5/22

    CPC分类号： E01B17/00 ,  A01K3/002

    摘要： A cattle guard for highways and other thoroughfares, as an extension of a fence line to prevent cattle from crossing into forbidden areas, is made up of concrete slab sections faced with sheet steel and placed end-to-end across the thoroughfare. The sheet steel facing for each section is fabricated by interconnecting in side-by-side relationship a series of trough-like lengths of sheet steel or the like pre-bent to provide alternate, up-facing valleys and ridges and an undersurface to serve as a form having reverse valleys and ridges into and onto which is poured wet concrete to provide a structural concrete base for the section. The trough-like lengths are preferably interconnected by flanges extending integrally from respective sides of the valleys and overlapped to provide double thick, sheet steel traction surfaces for the upfacing ridges. Tie plates are provided to interconnect the slab sections and to facilitate handling and placement of the individual sections.

    摘要翻译： 高速公路和其他通道的养护者，作为防止牛穿过禁区的篱笆线的延伸部分，是由面向钢板的混凝土板段组成的，并且跨越通道进行端对端的放置。 面对每个部分的钢板是通过并排连接一系列预弯曲的槽状长度的钢板等制成的，以提供交替的，向上的谷和脊以及下表面，以作为 在其中并具有反向谷和脊的形式将湿混凝土浇注以提供该部分的结构混凝土基底。 槽状长度优选地通过从谷的相应侧面整体延伸的凸缘互连并重叠以提供用于隆起脊的双重厚的钢板牵引表面。 提供连接板以连接板坯部分并且便于处理和放置各个部分。