Pipe pig
    31.
    发明授权
    Pipe pig 有权

    公开(公告)号:US10895341B2

    公开(公告)日:2021-01-19

    申请号:US16107602

    申请日:2018-08-21

    摘要: A pipe pig is provided with linked wheels, and at least a central wheel of the linked wheels is pivotally linked to adjacent wheels through a spring loaded connection that biases the central wheel out of straight line alignment with the adjacent wheels. The pipe pig may be used to negotiate tight bends in a pipe and carry sensing electronics.

    Pipeline inspection device
    33.
    发明授权

    公开(公告)号:US10434547B2

    公开(公告)日:2019-10-08

    申请号:US15844270

    申请日:2017-12-15

    摘要: A pipeline inspection device including a cable having a camera disposed on a distal end of the cable, where the camera and the cable are configured to be directed into a conduit. A first drum includes a rear wall, a front wall, and a side wall defining an interior, where the front wall has an opening providing access to the interior, and where the cable is disposed at least partially within the first drum. A stand supports the first drum, where the first drum is rotatably coupled to the stand. A hub houses electrical components of the pipeline inspection device. The hub is removably received in the interior of the first drum via the opening, where the hub is selectively removable from the first drum and insertable into an interior of a second drum.

    Method of inspecting and preparing a pipeline

    公开(公告)号:US09964250B2

    公开(公告)日:2018-05-08

    申请号:US13576228

    申请日:2011-07-28

    IPC分类号: F16L55/18 B08B9/04 E03F7/12

    CPC分类号: F16L55/18 B08B9/04 E03F7/12

    摘要: A sewer preparation from the main (PFM) device provides for the inspection and preparation of the sewer pipe from the main sewer pipe. The PFM device provides for the insertion of one or more individual and separately controllable tools into the sewer pipe. The tools include a clean out tool and a camera. Each of the tools is controlled separately such that each tool can be inserted and retracted from the lateral as desired. A method includes the steps of inserting and operating separately controllable tools from a single preparation device that provides access to the lateral without a cleanout or other alternate access passage.