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    • 8. 发明申请
    • METHOD AND APPARATUS FOR LINING A CONDUIT
    • 用于排列管道的方法和装置
    • WO1998009797A1
    • 1998-03-12
    • PCT/GB1997002391
    • 1997-09-05
    • UNITED UTILITIES PLCGRACE, John
    • UNITED UTILITIES PLC
    • B29C63/34
    • B29C53/68B29C53/086B29C63/343F16L55/1652
    • The invention provides a method and apparatus for lining a conduit (1) such as a pipe with deformable plastics liner pipe. The method comprises: (i) deforming the liner (7) along its length to a cross section with reduced external dimensions relative to the dimension of the undeformed liner, (ii) binding the liner by helically winding an elongate flexible element around the liner along its length to maintain it in said deformed cross section; (iii) drawing the bound liner into the conduit to be lined; (iv) releasing the binding to allow the liner (7) to assume a cross section substantially corresponding with the internal cross section of the conduit (1).
    • 本发明提供了一种用于对诸如具有可变形塑料衬管的管道的导管(1)进行衬里的方法和装置。 该方法包括:(i)将衬套(7)沿着其长度变形到具有相对于未变形内衬的尺寸减小的外部尺寸的横截面,(ii)通过沿着衬套围绕衬套螺旋地缠绕细长的柔性元件来结合衬套 其长度保持在所述变形横截面中; (iii)将绑定的衬里拉入要排列的导管中; (iv)释放所述装订以允许所述衬套(7)呈现基本对应于所述导管(1)的内部横截面的横截面。
    • 10. 发明申请
    • FILTER
    • 过滤
    • WO1996041676A1
    • 1996-12-27
    • PCT/GB1996001395
    • 1996-06-10
    • UNITED UTILITIES PLCFINLAYSON, GregoryFORBES, Mark, LewisGALLAGHER, Paul, MartinDUKES, Simon, Paul
    • UNITED UTILITIES PLC
    • B01D63/06
    • B01D65/102B01D63/02B01D63/046B01D63/06B01D65/00B01D2313/23
    • A filter comprising an array of bundles of open-ended filter tubes each housed within and extending along the length of a support tube. Filter tube seals are arranged at each end of each support tube such that the filter tubes extend therethrough, the seals preventing axial flow through the ends of the support tubes except through the filter tubes. A tubular housing receives each support tube, at least two conduits communicating with openings in each housing. Axially spaced annular seals located between each support tube and the associated housing divide the space defined between the support tube and housing into axially spaced regions which communicate with respective conduits. Openings in the support tubes communicate with respective conduits through the spaces between the housing and support tubes. One of the openings in each support tube communicates with the open ends of the filter tubes, and another communicates with the space within the support tube around the filter tubes and between the filter tube seals. The housings have removable covers which when removed leave apertures axially aligned with the support tubes to enable the insertion and removal of the support tubes in the axial direction. The covers may be transparent to enable visual inspection of the flow within the support tubes, and the housings may incorporate slidable plugs to enable the selective isolation of individual tube bundles.
    • 一种过滤器,包括一束开口的过滤管,每个容纳在支撑管的长度内并沿其延伸。 过滤管密封件布置在每个支撑管的每个端部处,使得过滤管延伸穿过其中,密封件防止轴向流过支撑管的端部,除了通过过滤管。 管状壳体接收每个支撑管,至少两个与每个壳体中的开口连通的导管。 位于每个支撑管和相关壳体之间的间隔开的环形密封件将支撑管和壳体之间限定的空间分成与相应导管连通的轴向间隔开的区域。 支撑管中的开口通过壳体和支撑管之间的空间与相应的导管连通。 每个支撑管中的一个开口与过滤管的开口端连通,另一个与过滤管周围和过滤管密封之间的支撑管内的空间连通。 壳体具有可移除的盖,当被移除时,留下孔与支撑管轴向对齐,以使得能够沿轴向插入和移除支撑管。 盖可以是透明的,以使得能够目视检查支撑管内的流动,并且壳体可以包括可滑动的塞子,以能够选择性地隔离各个管束。