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11. 发明授权

US4576515A Pipe laying apparatus 失效
标题翻译：管铺设设备
公开(公告)号：US4576515A
公开(公告)日：1986-03-18
申请号：US533744
申请日：1983-09-19
申请人： Keiji Morimoto , Shuichi Satoh , Yoshiyuki Iwai , Osamu Ae , Masao Suda , Kiyoshi Tsuchiya , Kojiro Ogata , Naoki Miyanagi
发明人： Keiji Morimoto , Shuichi Satoh , Yoshiyuki Iwai , Osamu Ae , Masao Suda , Kiyoshi Tsuchiya , Kojiro Ogata , Naoki Miyanagi
IPC分类号： E21B7/20 , E21B21/00 , F16L1/02
CPC分类号： E21B7/208 , E21B21/00
摘要： A pipe laying apparatus having an excavator for performing excavation in the earth to form a substantially horizontally extending hole, with the excavator having connected to its trailing end a leading end of at least one underground pipe at least partially located in the horizontally extending hole, an injector for injecting a viscosity imparting liquid into the earth in which excavation is being performed by the excavator to produce viscosity imparting liquid containing soil particles. A propelling device positioned against a trailing end of the pipe and is located in a starting pit. The viscosity imparting liquid containing soil particles produced by the excavator and injector are conveyed rearwardly of the excavator past an outer periphery thereof and filled in an annular gap defined between the horizontally extending hole and the pipe while the excavator and pipe are advanced by the propelling device. A soil particle discharging device is located between the trailing end of the excavator and the leading end of the pipe and within the pipe for introducing into the pipe the viscosity imparting liquid conveyed rearwardly of the excavator past the outer periphery thereof and discharging the soil particles into the starting pit through the pipe.
摘要翻译：一种管道铺设设备，具有用于在地球中进行挖掘以形成大致水平延伸的孔的挖掘机，其中挖掘机已将至少一个至少部分位于水平延伸的孔中的至少一个地下管道的前端连接到其后端，喷射器，用于将粘性赋予液体注入到挖掘机中进行挖掘的土中，以产生含有土壤颗粒的粘性液体。一个推进装置，位于管的后端并位于起始坑中。由挖掘机和喷射器产生的含有土壤颗粒的粘度赋予液体从挖掘机的后方经过其外周被输送，并且在挖掘机和管道由推进装置前进的同时被填充在水平延伸的孔和管道之间的环形间隙中。土壤颗粒排出装置位于挖掘机的尾端与管道的前端之间，并且在管道内，用于将从挖掘机的后方输送的粘性液体引入管道中，并将其从其外周排出并将土壤颗粒排出起始坑通过管道。

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