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    • 7. 发明申请
    • Methods for aligning pipes and connecting the lined pipe with adjacent or lateral pipes
    • 对准管道和连接管道与相邻或侧向管道的方法
    • US20060182500A1
    • 2006-08-17
    • US11390238
    • 2006-03-28
    • John CrabtreeJames Tate
    • John CrabtreeJames Tate
    • F16L1/024
    • F16L55/179F16L55/165
    • A section of a host pipe is removed, a flange is placed at one end of the host pipe section and split sleeve halves are secured to one another and at one end to the flange to cantilever the split sleeve from the end of the host pipe. A deformed thermoplastic liner is drawn through the host pipe and split sleeve and reformed to its cylindrical configuration by introducing steam under pressure. Once reformed, the split sleeve halves are removed, the end portion of the rerounded liner is cut and an adapter flange is fused on the end of the cut liner portion. The split sleeve halves are reapplied about the rounded liner with the flange on the adapter bearing against an end face of the flanges of the split sleeve. A cylindrical section is welded to the adjacent host pipe section and a flange thereof is bolted to the distal end flange of the split sleeve whereby a permanent pressure sealed connection is provided between a lined host pipe section and a non-lined host pipe section
    • 拆下主管的一部分,将法兰放置在主管部分的一端,并且分开的套筒半部彼此固定,并且一端固定到凸缘,以从主管端部的端部悬臂。 变形的热塑性衬里通过主管和分裂套管被抽吸并通过在压力下引入蒸汽而重新形成其圆柱形构型。 一旦重新组装,拆下分开的套筒半部分,再循环衬套的端部被切割并且适配器凸缘熔合在切割衬套部分的端部上。 分开的套管半部分围绕圆形衬套重新施加,适配器上的凸缘抵靠分开套筒的凸缘的端面。 圆柱形部分焊接到相邻的主管部分,并且其凸缘螺栓连接到分离套筒的远端凸缘,由此在衬里的主管部分和非衬里的主管部分之间提供永久的压力密封连接