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1. 发明授权

US5699154A Method and apparatus for installing pipes 失效
标题翻译：安装管道的方法和装置
公开(公告)号：US5699154A
公开(公告)日：1997-12-16
申请号：US605436
申请日：1996-02-22
申请人： Dudley Trevor Dickson , Mohammed Yunis Aziz
发明人： Dudley Trevor Dickson , Mohammed Yunis Aziz
IPC分类号： F16L55/00 , F16L1/00 , F16L55/162 , F16L55/28 , G01N21/00
CPC分类号： F16L55/28 , F16L55/162
摘要： Sensor apparatus 18 for use in a plastic service pipe 16 inside a steel service pipe 10 connected to a main consists of a flexible element 42 which is fed through the steel pipe 10 and through the plastic pipe 16. The element 42 has at its remote end two light-emitting diodes 80 and two photoconductive cells 82 The flexible element 42 and the pipe 16 are fed together into the steel pipe 10. The sensor apparatus 18 indicates when the cells 82 have entered the main 14 because the intensity of the light reflected to the cells 82 falls to a low value and gives an audible or visual signal. This also indicates that the end of the plastic pipe 16 which carries a seal 38 is positioned correctly and that sealant 30 can be injected into the space between the steel pipe 10 and the plastic pipe 16 and is detected by a second light sensor arrangement 154/156. After the sealant 30 has been injected the sensor apparatus 18 can be recovered by withdrawal through the nose-piece 32 and through the pipe 10.
摘要翻译：用于与主要连接的钢制服务管10内的塑料管道16中的传感器装置18由通过钢管10供给并通过塑料管16的柔性元件42组成。元件42在其远端两个发光二极管80和两个感光单元82将柔性元件42和管16一起馈送到钢管10.传感器装置18指示电池82何时进入主14，因为光的强度反射到单元82降到较低的值并给出可听或视觉信号。这也表示承载密封件38的塑料管16的端部正确定位，并且密封剂30可以被注入到钢管10和塑料管16之间的空间中，并且被第二光传感器装置154 / 156。在注入密封剂30之后，可以通过鼻片32的抽出和通过管10回收传感器装置18。

2. 发明授权

US5736736A Flexible guide assembly for facilitating placement of an elongate plastic insert within an existing pipe 失效
标题翻译：柔性导向组件，用于便于将细长塑料插入件放置在现有管道内
公开(公告)号：US5736736A
公开(公告)日：1998-04-07
申请号：US427079
申请日：1995-04-21
申请人： Dudley Trevor Dickson , Mohammed Yunis Aziz
发明人： Dudley Trevor Dickson , Mohammed Yunis Aziz
IPC分类号： F16L55/162 , F16L55/28 , G01B11/26
CPC分类号： F16L55/28 , F16L55/162
摘要： A sensor for use in installing a plastic service pipe inside a steel service pipe connected to a main includes a flexible element which is fed through the steel pipe and through the plastic pipe. The element has at its remote end two light-emitting diodes and two photoconductive cells. The flexible element and the pipe are fed together into the steel pipe. The sensor indicates when the cells have entered the main because the intensity of the light reflected to the cells falls to a low value and gives an audible or visual signal. This also indicates that the end of the plastic pipe which carries a seal is positioned correctly and that sealant can be injected into the space between the steel pipe and the plastic pipe. After the sealant has set the sensor can be recovered by withdrawal through the noise-piece and through the pipe.
摘要翻译：用于在连接到主机的钢制服务管道内安装塑料维修管的传感器包括通过钢管并通过塑料管供给的柔性元件。该元件在其远端具有两个发光二极管和两个光导电池。柔性元件和管道一起进入钢管。传感器指示细胞何时进入主体，因为反射到细胞的光的强度降到较低的值并给出可听或视觉信号。这也表示携带密封件的塑料管的端部正确定位，并且可以将密封剂注入到钢管和塑料管之间的空间中。密封剂固定后，传感器可以通过噪音片通过管道进行回收。

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