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212 条记录 (耗时 0.023 秒)

    Metal-plastic composite pipe compounding device and compounding process
    1.
    发明授权
    Metal-plastic composite pipe compounding device and compounding process 有权

    公开(公告)号：US12076911B2

    公开(公告)日：2024-09-03

    申请号：US17915469

    申请日：2021-11-23

    申请人： HUNAN ZHENHUI PIPE INDUSTRY CO., LTD

    发明人： Hefei Xiao ,  Xiwei Yin ,  Xinai Zhang ,  Anming Luo

    IPC分类号： B29C63/34 ,  B29C63/00 ,  B29L9/00 ,  B29L23/00

    CPC分类号： B29C63/34 ,  B29C63/0004 ,  B29C63/0069 ,  B29L2009/003 ,  B29L2023/22

    摘要： The present disclosure provides a metal-plastic composite pipe compounding device and a compounding process, the compounding device comprising a material conveying apparatus, a workbench, and a support apparatus, a clamping assembly and a heating and cooling apparatus which are mounted on the workbench. The clamping assembly may move on the workbench; the material conveying apparatus moves a pipe to be machined into or out of the support apparatus; the support apparatus supports the pipe to be machined and may drive same to ascend or descend; the clamping assembly clamps and seals two ends of a plastic pipe of the pipe to be machined; and the clamping assembly drives the pipe to be machined to pass through the heating and cooling apparatus. In the present disclosure, a feeding process, a clamping process, heating and cooling processes and a discharging process may be completed in sequence by means of the compounding device.

    Temperature sensing within an underground structure to determine liner cure schedule
    8.
    发明授权
    Temperature sensing within an underground structure to determine liner cure schedule 有权

    公开(公告)号：US09849625B2

    公开(公告)日：2017-12-26

    申请号：US13548293

    申请日：2012-07-13

    申请人： Larry W. Kiest, Jr.

    发明人： Larry W. Kiest, Jr.

    IPC分类号： B29C63/34 ,  B29C63/00 ,  F16L55/165

    CPC分类号： B29C63/0004 ,  B29C63/0069 ,  B29C63/34 ,  F16L55/1654

    摘要： The invention utilizes temperature sensing to measure the internal temperature of an underground structure, such as a pipe, for the purpose of determining a proper cure interval and/or mix ratio of a resin system during a lining operation. A temperature sensor is placed within a pipe or other underground structure to be rehabilitated and at least one temperature measurement is taken within the structure prior to or simultaneously with the installation of a liner. Once the temperature of an internal aspect of the structure is taken, a cure schedule is utilized to determine the appropriate curing time based on test data obtained from baseline tests performed under simulated conditions in a soil cell apparatus. A computer program may be utilized such that upon entering the type of resin, the lowest recorded temperature of the structure, and the initial resin temperature, a cure schedule is supplied.