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1. 发明专利

CA2458822A1 NOZZLE AND METHOD OF JETTING FLUID ONTO INNER PERIPHERAL SURFACE OF CONDUIT BY THE NOZZLE 未知
公开(公告)号：CA2458822A1
公开(公告)日：2003-03-13
申请号：CA2458822
申请日：2002-08-26
申请人： TOKYO GAS CO LTD
发明人： MIZUMOTO TOSHIAKI , SHIMIZU SEITA , SHIGEFUJI TAKASHI , YAGI SHUICHI , MINE SHIGEYUKI , SHIMIZU AKIO
IPC分类号： B05D1/02 , B05B1/26 , B05B1/34 , B05B13/06 , B05D7/22
摘要： A nozzle, comprising a nozzle body (11), a nozzle tip (12) stored in the nozzle body and a deflector (15) fitted to the tip side of the nozzle, the nozzle tip (12) further comprising a swirl groove (12g) in the rear end face (12d) thereof and a jetting nozzle (12k) projectedly provided thereon with t he inner diameter thereof increased at the tip side, the deflector (15) further comprising a support bar (15a) and an impact plate part (15b) connected to each other through a continuous portion (15d) formed of a curved surface and smoothly continued to an impact surface (15c), wherein swirl fluid (T) is jetted from the jetting nozzle (12k) and deflected at the continuous portion (15d) to outwardly jet the fluid widely along the impact surface (15c).

2. 发明专利

JP2003278945A Insertion method for existing pipe 有权
标题翻译：现有管道插入方法
公开(公告)号：JP2003278945A
公开(公告)日：2003-10-02
申请号：JP2002082353
申请日：2002-03-25
申请人： Japan Gas Association , Osaka Gas Co Ltd , Seibu Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 社団法人日本ガス協会 , 西部瓦斯株式会社
发明人： YAGI SHUICHI , SHIMIZU SEITA , MIZUKAMI SEIJI , HIGUCHI HIROSHI , KOSAKA MASAMICHI , TOYODA YASUHIRO
IPC分类号： F16L1/00 , B29C63/34 , B29L23/00
摘要： PROBLEM TO BE SOLVED: To provide an insertion method for an existing pipe whereby a suitable restoring property is achieved with respect to the existing pipe having a bent part, pressure loss is reduced in a straight part of the pipe, and a branch pipe can be easily fitted. SOLUTION: The piping condition of the existing pipe is confirmed, and a short corrugated pipe 10b is connected to a synthetic resin pipe 10a folded to the radial direction in order to form an insertion pipe 10. The insertion pipe 10 is inserted into the existing pipe so that the synthetic resin pipe 10a folded along the radial direction corresponds to the straight part A' of the existing pipe and the short corrugated pipe 10b corresponds to the bent part A1 of the existing pipe. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供现有管道的插入方法，由此相对于具有弯曲部分的现有管道实现适当的恢复性能，管道的直线部分中的压力损失减小，并且分支管道可以很容易地安装。
解决方案：确认现有管道的管道状况，将短波纹管10b连接到向径向折叠的合成树脂管10a，以形成插入管10.插入管10插入现有管，使得沿径向折叠的合成树脂管10a对应于现有管的直线部分A'，短波纹管10b对应于现有管道的弯曲部分A1。版权所有（C）2004，JPO

3. 发明专利

JP2003216689A WORK PLANNING DEVICE FOR EMBEDDED FACILITY 审中-公开
公开(公告)号：JP2003216689A
公开(公告)日：2003-07-31
申请号：JP2002009026
申请日：2002-01-17
申请人： TOKYO GAS CO LTD
发明人： YAGI SHUICHI , SHIMIZU SEITA
IPC分类号： G06Q50/08 , G06Q30/06 , G06Q50/00 , G06F17/60
摘要： PROBLEM TO BE SOLVED: To lighten a cost burden on a customer required for works of a plurality of appliances within a site of the customer. SOLUTION: A customer database 1 stores the data indicating use/disuse of each work of a gas pipe and an optical fiber for each customer. A computer reads the data indicating necessity of the work of the customer requesting the gas piping work or the optical fiber work from the customer database 1 (S2), and if the data of both the gas piping work and the optical fiber work is required (Y in S3), the cost when the gas piping work and the optical fiber work are collectively performed and the cost when these works are individually (independently) performed are calculated based on the substantial extension (S5) input from an operator of the computer (S6). The computer selects the gas piping work and the optical fiber work collectively or individually based on the respectively calculated costs (S7), and displays the cost of the selected work on a display device (S8 and S12). COPYRIGHT: (C)2003,JPO

4. 发明专利

JP2003181373A CONSTRUCTION METHOD FOR PREVENTING DISASTER FOR EXPOSED PIPELINE 审中-公开
公开(公告)号：JP2003181373A
公开(公告)日：2003-07-02
申请号：JP2001386498
申请日：2001-12-19
申请人： TOKYO GAS CO LTD
发明人： YAGI SHUICHI , SHIMIZU SEITA
IPC分类号： A62C2/00 , B05D7/22 , B05D7/24
摘要： PROBLEM TO BE SOLVED: To prevent a secondary disaster by preventing a large quantity of a gas from jetting out of a pipeline immediately after fire when the fire occurs in a space where the pipeline is exposed. SOLUTION: The construction method for preventing a disaster is for an exposed pipeline whose surface is exposed to a space and the inner face of the pipeline 1 is lined with a thermally foaming material layer 10 and a resin lining layer 11 is formed further on the inner face. COPYRIGHT: (C)2003,JPO

5. 发明专利

JP2003159554A TUBULAR SPRAY DEVICE 审中-公开
公开(公告)号：JP2003159554A
公开(公告)日：2003-06-03
申请号：JP2001360673
申请日：2001-11-27
申请人： TOKYO GAS CO LTD
发明人： YAGI SHUICHI , SHIMIZU SEITA
IPC分类号： B05D7/22 , B05B13/06 , B05C7/08
摘要： PROBLEM TO BE SOLVED: To provide a highly practical tubular spray device capable of performing the automatic adjustment of a centering mechanism retaining a nozzle at the center of the inside of a tube, securing insertability into a bent tube, coping with a superimposed lining, securing mobility to tubular obstacles or the like. SOLUTION: The tubular spray device 1 uses the lining reagent of a two- solution mixed setting resin, a mobile block body 10 is divided into divided block bodies 10A, 10B and 10C, and a running body 12 comprising a curved elastic plate is mounted on each block body 10A, 10B and 10C. COPYRIGHT: (C)2003,JPO

6. 发明专利

JP2002364776A GAS PIPE EXCHANGE WORK METHOD 失效
公开(公告)号：JP2002364776A
公开(公告)日：2002-12-18
申请号：JP2001168739
申请日：2001-06-04
申请人： TOKYO GAS CO LTD
发明人： YAGI SHUICHI , SHIMIZU SEITA , KAWASHIMA TAKESHI , WAKUI MIKIO , MIYAMOTO NOBORU
IPC分类号： G01F1/00 , F16L1/00 , F16L1/024 , G01F3/22 , G01F15/18
摘要： PROBLEM TO BE SOLVED: To provide a gas pipe exchange work method capable of simplifying an ignition test of a gas instrument of respective dwelling unit of multiple dwelling house while ensuring a safety at a gas pipe exchange work. SOLUTION: In the gas pipe exchange work method, after a connection pipe for connecting a main pipe and a vertical pipe in a pipe shaft of the multiple swelling house is exchanged, an air purge is performed only at a gas meter part nearest (the most upstream) to a connection position of the connection pipes and the vertical pipe in the pipe shaft. A remained air does not almost exist in the gas pipe in the multiple dwelling house by performing the air purge at the most upstream gas meter part and the ignition test regarding the dwelling unit having the gas meters other than the gas meters performed with the air purge is not required.

7. 发明专利

JP2001252976A REVERSING DEVICE FOR LINING 失效
公开(公告)号：JP2001252976A
公开(公告)日：2001-09-18
申请号：JP2000065356
申请日：2000-03-09
申请人： TOKYO GAS CO LTD
发明人： YAGI SHUICHI , SHIMIZU SEITA
IPC分类号： F16L1/00 , B29C63/36
摘要： PROBLEM TO BE SOLVED: To provide a reversing device for lining having a constitution capable of automatically optimizing a pressure in the device. SOLUTION: The reversing device 1 is used to line a tube by curing an adhesive interposed between the tube and an inner wall surface of a pipeline and adhering the tube to the inner surface of the pipeline. The device 1 comprises a pressurizing source 1 for pressurizing the lined tube from a rear side, a lubricant supply means 3 for coating the surface of the lined tube with a lubricant, a pressure sensor 6 for sensing the applied pressure of the lined tube, and a governor unit 4 for regulating a necessary applied pressure to the lined tube in response to a change in the pressurized pressure from the sensor 6. In this case, the sensor 6 is connected to a controller 5 for setting the regulated pressure in the unit 4. The controller 5 controls the set pressure of the unit 4 in response to the sensed result from the sensor 6.

8. 发明专利

JP2001099636A SOUND ABSORPTION STRUCTURE 失效
公开(公告)号：JP2001099636A
公开(公告)日：2001-04-13
申请号：JP27905599
申请日：1999-09-30
申请人： TOKYO GAS CO LTD
发明人： YAGI SHUICHI , SHIMIZU SEITA
IPC分类号： G01B17/00 , F16L1/024 , G10K11/16
摘要： PROBLEM TO BE SOLVED: To provide a sound absorption structure having large absorption characteristic with a simple constitution. SOLUTION: A sound absorption member 25 in a sound structure for absorbing sound emitted into a pipe is provided with an end surface absorption part 25A absorbing sound reflected from the end surface of the pipe 23A, and a circumferential surface absorption part 25B absorbing sound reflected from the circumferential surface in the pipe 23A.

9. 发明专利

JP2001096226A METHOD OF REGENERATING AND REPAIRING EXISTING PIPE LINE 失效
公开(公告)号：JP2001096226A
公开(公告)日：2001-04-10
申请号：JP27518199
申请日：1999-09-28
申请人： TOKYO GAS CO LTD
发明人： YAGI SHUICHI , ITAGAKI MASAAKI , SHIMIZU SEITA
IPC分类号： B05D7/22 , F16L55/16
摘要： PROBLEM TO BE SOLVED: To provide a method of regenerating and repairing existing pipe line capable of preventing from making lining work impracticable in a branched supply pipe in the case of treating the branched supply pipe including a bend pipe. SOLUTION: In the method of regenerating and repairing existing pipe line for regenerating and repairing a pipe line including the branched pipe 2 branched from a main pipe 1 buried under a road and having a bend part by resin lining, lining pigs 3 ranging on a supporting member 3A having a larger axis line radius than the radius of curvature of the bend part 2A in the bend pipe is prepared and the lining pig is prevented from moving to the main pipe 1 from the branched position by being caught by the bend part 2 of the bend pipe.

10. 发明专利

JP2001096225A METHOD OF REGENERATING AND REPAIRING EXISTING PIPE LINE 失效
公开(公告)号：JP2001096225A
公开(公告)日：2001-04-10
申请号：JP27518499
申请日：1999-09-28
申请人： TOKYO GAS CO LTD
发明人： YAGI SHUICHI , SHIMIZU SEITA
IPC分类号： B05D7/22 , F16L55/16
摘要： PROBLEM TO BE SOLVED: To provide a method of regenerating and repairing an existing pipe line, which is capable of easily keeping to a liquefied state and lining a resin material kept in the liquefied state in a set uniform thickness. SOLUTION: A method of regenerating and repairing the existing pipe line buried under a road is provided with a 1st process for forming a lining film by arranging a heat source means 2 with built-in heat source along the laying direction in the existing pipe line 1, providing a space S capable of forming a lining film for the regeneration and the repair between the heat source means 2 and the inside surface of the existing pipe line 1 and supplying a melted thermoplastic resin into the space S and a 2nd process for removing the heat source means 2 in the state in which the lining film is cured after forming the lining film in the regenerating and repairing section of the laying section of the existing pipe line 1 and in the 1st process, a temperature to keep the viscosity of the thermoplastic resin flowable through the whole zone of the regenerating and repairing section is set in the heat source means 2.

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