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    • 7. 发明授权
    • Joint construction for coupling conduit sections
    • 用于连接管道部分的接头结构
    • US08695218B2
    • 2014-04-15
    • US13717110
    • 2012-12-17
    • Allied Tube & Conduit Corporation
    • Giulio Scartozzi
    • B21D51/16
    • F16L15/08F16L19/00F16L19/04F16L19/075Y10T29/49428Y10T29/4943
    • A joint construction includes first and second conduit sections having coaxially overlapping end areas. A coupling member has a first end received within the end of the first conduit section and a second end with external threads. A bore of the coupling member receives the second section end area. A plurality of protrusions are formed on an outer surface of the coupling member. The plurality of protrusions engage a plurality of complimentary features formed on the end area of the first conduit section. A gland nut has threads configured to engage the external threads of the second end of the coupling member. A washer is disposed on the second conduit section between the second end of the coupling member and the gland nut. The washer is configured to engage the end area of the second conduit section to resist relative axial movement between the first and second conduit sections.
    • 接头结构包括具有同轴重叠的端部区域的第一和第二管道部分。 联接构件具有容纳在第一管道段的端部内的第一端和具有外部螺纹的第二端。 联接构件的孔接收第二区段末端区域。 多个突起形成在联接构件的外表面上。 多个突起接合形成在第一导管部分的端部区域上的多个互补特征。 压盖螺母具有构造成接合联接构件的第二端的外螺纹的螺纹。 在连接构件的第二端和压盖螺母之间的第二导管部分上设有垫圈。 垫圈构造成接合第二导管部分的端部区域以抵抗第一和第二导管部分之间的相对轴向运动。