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    • 3. 发明授权
    • Seal and restraint system for plastic pipe with low friction coating
    • 低摩擦涂层塑料管密封约束系统
    • US08444186B2
    • 2013-05-21
    • US12623580
    • 2009-11-23
    • Jim JonesMark Weih
    • Jim JonesMark Weih
    • F16L37/0925
    • F16L37/0925Y10T29/49826Y10T29/49865
    • An apparatus for restraining plastic pipe against both internal and external forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining and sealing mechanism. The restraining and sealing mechanism includes a circumferential housing and a companion sealing ring which are received within a mating groove provided in the belled end of a female pipe. The circumferential housing has an interior region which contains a gripping ring insert. The sealing ring and housing are integrally located within a belled pipe end during belling operations. Either the exterior of the gripping ring or the interior of the housing or both are provided with a low friction coating.
    • 一种用于限制管道或配件连接处的内部和外部力的塑料管道并且连接和密封至少两个管道以形成管道的装置被示出具有改进的限制和密封机构。 限制和密封机构包括周向壳体和配套密封环,其被接纳在设置在母管的罩壁中的配合槽内。 周向壳体具有包含夹环插入件的内部区域。 密封环和壳体在钟罩操作期间一体地位于鼓形管端内。 夹紧环的外部或壳体的内部或两者都设置有低摩擦涂层。
    • 4. 发明申请
    • Seal and Restraint System for Plastic Pipe with Low Friction Coating
    • 低摩擦涂层塑料管密封和约束系统
    • US20100264645A1
    • 2010-10-21
    • US12623580
    • 2009-11-23
    • Jim JonesMark Weih
    • Jim JonesMark Weih
    • F16L17/025B23P11/00B23P11/02
    • F16L37/0925Y10T29/49826Y10T29/49865
    • A method and apparatus for restraining plastic pipe against both internal and external forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining and sealing mechanism. The restraining and sealing mechanism includes a circumferential housing and a companion sealing ring which are received within a mating groove provided in the belled end of a female pipe. The circumferential housing has an interior region which contains a gripping ring insert. The sealing ring and housing are integrally located within a belled pipe end during belling operations. Either the exterior of the gripping ring or the interior of the housing is provided with a low friction coating.
    • 一种用于限制管道或配件连接处的内部和外部力的塑料管的方法和装置,并且连接和密封至少两个管道以形成管道,其特征在于具有改进的限制和密封机构。 限制和密封机构包括周向壳体和配套密封环,其被接纳在设置在母管的罩壁中的配合槽内。 周向壳体具有包含夹环插入件的内部区域。 密封环和壳体在钟罩操作期间一体地位于鼓形管端内。 抓握环的外部或壳体的内部都设置有低摩擦涂层。