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    • 9. 发明授权
    • Method of coupling profile wall thermoplastic pipes
    • 耦合轮廓壁热塑管的方法
    • US06521072B1
    • 2003-02-18
    • US09645249
    • 2000-08-24
    • Steve Campbell
    • Steve Campbell
    • B65H6902
    • B29C66/1142B29C65/342B29C65/344B29C65/3452B29C65/3468B29C65/348B29C65/4815B29C65/5057B29C66/1122B29C66/1224B29C66/1226B29C66/1282B29C66/12841B29C66/14B29C66/5221B29C66/5229B29C66/72523B29L2023/22B29L2024/00Y10T156/1026
    • A method is disclosed for forming a substantially flush joint or coupling between two profile wall thermoplastic pipes. The method comprises removing substantially all of the helical rib and inner wall of a first pipe for a distance from an end of the first pipe and removing a portion of the helical rib for a distance from an end of a second pipe. By so doing, the outer wall of the second pipe can be deflected radially inward and the end of the second pipe can thereby be coupled with the first pipe by overlapping the outer walls adjacent the ends of the first and second pipes, with the outer wall of the first pipe being on the exterior. When overlapped, the second walls of both the pipes can then be fused together. Alternatively, the outer wall of the first pipe can be removed rather than the inner wall, and the inner wall of the second pipe deflected radially outward such that the inner wall of the second pipe can be positioned around the inner wall of the first pipe and fused thereto. Finally, the above configurations could alternatively be preformed on the pipes without requiring removal of any material.
    • 公开了一种用于在两个轮廓壁热塑管之间形成基本平齐的接头或联接的方法。 该方法包括从第一管的端部基本上除去第一管的所有螺旋肋和内壁一段距离,并且从第二管的端部移除一定距离的螺旋肋的一部分。 通过这样做,第二管的外壁可以径向向内偏转,并且第二管的端部可以由此通过与邻近第一和第二管的端部的外壁重叠而与第一管连接,外壁 的第一根管子在外面。 当重叠时,两个管道的第二壁然后可以熔合在一起。 或者,可以移除第一管的外壁而不是内壁,并且第二管的内壁径向向外偏转,使得第二管的内壁可以围绕第一管的内壁定位,并且 融合。 最后,上述配置可以替代地在管道上进行,而不需要去除任何材料。