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    • 3. 发明授权
    • Pipe scarifier
    • 管道覆层
    • US07100622B2
    • 2006-09-05
    • US10434574
    • 2003-05-09
    • Gerard J. MacNeilDavid B. MacNeilGordon W. MacNeilVernon G. Bose
    • Gerard J. MacNeilDavid B. MacNeilGordon W. MacNeilVernon G. Bose
    • B08B3/02
    • E03F9/00B08B9/0433
    • A scarifier for scarifying an interior surface of a sewer pipe, which includes an elongated frame having spaced apart upstanding frame elements at either end forming a plurality of guide surfaces on each side. A first track extends from one end of the frame to another, reversibly moveable upwardly along a first set of the guide surfaces on a first side of the frame in response to a control signal, which controls a drive system coupled to the track. A nozzle assembly is reversibly moveable along the track from one end of the scarifier to another so that a nozzle, mounted on the nozzle assembly, which emits a jet of fluid towards an interior surface of the sewer pipe, is operative to scarify a swath along the interior surface.
    • 一种用于清除下水道管的内表面的清理器,其包括细长框架,其在任一端具有间隔开的直立框架元件,在每侧形成多个引导表面。 响应于控制耦合到轨道的驱动系统的控制信号,第一轨道从框架的一端延伸到另一端,沿着框架的第一侧上的第一组引导表面可向上移动。 喷嘴组件可沿着轨道从分隔器的一端可逆地移动到另一端,使得安装在喷嘴组件上的喷嘴朝向下水道管的内表面喷射流体,可以沿着 内表面。