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1. 发明专利

JP2009293803A Pipe joint 审中-公开
标题翻译：管接头
公开(公告)号：JP2009293803A
公开(公告)日：2009-12-17
申请号：JP2009213030
申请日：2009-09-15
申请人： Furukawa Electric Co Ltd:The , Furukawa Jushi Kako Kk , 古河樹脂加工株式会社 , 古河電気工業株式会社
发明人： KANEDA ROKURO , WADA NAOTO , OZAWA SATOSHI , NAKAJIMA YUZO
IPC分类号： F16L11/11 , F16L33/00 , F16L33/28
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint with favorable productivity, capable of providing stable quality, and capable of easily corresponding to when a thickness of a water cut-off sheet to be adhered to the pipe joint is changed or when it is necessary to change a pressing force of pressing the sheet to a pipe body. SOLUTION: In a pipe joint manufacturing device 10, a cylinder 29 for sliding a core bar is operated to insert a core bar 21 into a pipe 3 with a spiral groove with a water expanding sheet provided on an inner circumference face beforehand. Then, in the pipe joint manufacturing device 10, a cylinder 23 for pressing a core bar is operated to press the water expanding sheet against the inner circumference face of the pipe 3 with the spiral groove by the core bar 21, and the pipe 3 with the spiral groove is rotated in that state. In response to rotation of the pipe 3 with the spiral groove, the core bar 21 presses the water expanding sheet throughout a whole circumference of the inner circumference face in the pipe 3 with the spiral groove. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有良好生产率的管接头，能够提供稳定的质量，并且能够容易地对应于当要粘附到管接头上的截水片的厚度改变时或何时改变需要改变将片材压入管体的按压力。解决方案：在管接头制造装置10中，操作用于滑动芯棒的气缸29，以将预先具有设置在内周面上的具有水扩散片的螺旋槽插入管3中的芯棒21。然后，在管接头制造装置10中，操作用于挤压芯棒的气缸23，通过芯棒21将水扩散片材压靠在管3的内周面上，螺旋槽通过管3与管3 螺旋槽在该状态下旋转。为了响应于管3与螺旋槽的旋转，芯棒21通过螺旋槽在管3的内周面的整个圆周上挤压膨胀片。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2009092233A Method of manufacturing pipe coupling, manufacturing device of pipe coupling, and pipe coupling 有权
标题翻译：管道联轴器制造方法，管接头的制造装置和管接头
公开(公告)号：JP2009092233A
公开(公告)日：2009-04-30
申请号：JP2007309897
申请日：2007-11-30
申请人： Furukawa Electric Co Ltd:The , Furukawa Jushi Kako Kk , 古河樹脂加工株式会社 , 古河電気工業株式会社
发明人： KANEDA ROKURO , WADA NAOTO , OZAWA SATOSHI , NAKAJIMA YUZO
IPC分类号： F16L13/10 , B29C63/30 , B29L9/00 , B29L23/00
CPC分类号： B29C53/30 , B29C53/38 , B29D23/003 , B29D23/18 , B29L2023/186 , B29L2031/24 , F16L13/147 , F16L25/0063
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a pipe coupling and a manufacturing device of the pipe coupling, superior in productivity, capable of providing stable quality, and capable of easily coping with a case of changing the thickness of a water cut-off sheet stuck to the pipe coupling and a case of desiring to change pressing force for pressing the sheet to a pipe body.
SOLUTION: This pipe coupling manufacturing device 10 is provided for inserting core metal 21 into a pipe 3 with a spiral groove of prearranging a water-expansive sheet on an inner peripheral surface by operating a core metal sliding cylinder 29. Next, the pipe coupling manufacturing device 10 rotates the pipe 3 with the spiral groove in its state by pressing the water-expansive sheet to the inner peripheral surface of the pipe 3 with the spiral groove by the core metal 21 by operating a core metal pressing cylinder 23. The core metal 21 presses the water-expansive sheet over the whole periphery of the inner peripheral surface of the pipe 3 with the spiral groove in response to rotation of the pipe 3 with the spiral groove.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种管接头的制造方法和管接头的制造装置，其生产率优异，能够提供稳定的质量，并且能够容易地应对改变厚度的情况防水片粘贴在管接头上，以及希望改变将片材压到管体上的按压力的情况。解决方案：该管接头制造装置10设置用于通过操作芯金属滑动缸29将芯金属21插入具有预膨胀水膨胀片的螺旋槽的管3中的内周表面上。接下来，管状联接器制造装置10通过操作芯金属挤压筒23，通过用金属芯21将螺旋形槽压缩到管3的内周面而使管3在其状态下旋转。核心金属21响应于具有螺旋槽的管3的旋转，将具有螺旋槽的管3的内周面的整个周边上的膨胀片挤压。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009194987A Handhole, construction method thereof and bellmouth block 审中-公开
标题翻译：手柄，其构造方法和BELLMOUTH块
公开(公告)号：JP2009194987A
公开(公告)日：2009-08-27
申请号：JP2008031781
申请日：2008-02-13
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： NAKAJIMA YUZO , WADA NAOTO
IPC分类号： H02G1/06 , E02D29/12 , H02G9/08
摘要： PROBLEM TO BE SOLVED: To provide a lightweight handhole exhibiting excellent workability and refractriness, and having no risk of collapsing a bellmouth during construction, and to which the same bellmouth can be applied even if the thickness of wall is different. SOLUTION: Blocks 17a and 17b can slide along a tube 15. Consequently, the distance between the blocks 17a and 17b can be varied freely. A fixing member 21a is installed to straddle grooves 19a and 19b. Since the fixing member 21a is installed, the distance between the blocks 17a and 17b is fixed. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种表现出优异的可加工性和折射性的轻型手孔，并且在施工期间不会有塌陷的风险，并且即使壁的厚度不同，也可以施加相同的喇叭口。解决方案：块17a和17b可以沿管15滑动。因此，块17a和17b之间的距离可以自由变化。固定构件21a安装成跨越槽19a和19b。由于安装固定件21a，所以块17a和17b之间的距离是固定的。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2004336954A Pipe joint 有权
标题翻译：管接头
公开(公告)号：JP2004336954A
公开(公告)日：2004-11-25
申请号：JP2003132623
申请日：2003-05-12
申请人： Furukawa Electric Co Ltd:The , Kyowa Rubber Kk , 共和ゴム株式会社 , 古河電気工業株式会社
发明人： WADA NAOTO , SHIROGANE KATSUHIKO , TERASAKA TAKESHI
IPC分类号： F16L21/02 , F16L33/00 , F16L33/28 , H02G1/06 , H02G3/06 , H02G9/06
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint capable of preventing water from entering or infiltrating while pipe bodies are simply and easily connected. SOLUTION: A water swollen nonwoven fabric 11 and non-swollen nonwoven fabric 12 are laminated to form a nonwoven sheet 13 which is wound in cylinder, and both ends 13a and 13a of the nonwoven sheet 13 are overlapped together by such overlap width A as to form a constant thickness for integrally fixing. When the nonwoven sheet 13 wound in cylinder is integrally formed by a former 16 with the inner peripheral surface of a pipe joint 1 of synthetic resin, an overlapping part 13b of the nonwoven sheet 13 is formed to a thickness of almost constant value under the pressure applied at forming, while the entire nonwoven sheet 13 is integrally fixed to the inner peripheral surface of a joint body 2 constituting the pipe joint 1. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供能够防止水进入或渗透的管接头，同时管体简单且容易地连接。解决方案：水溶性无纺织物11和非溶胀无纺织物12层压以形成缠绕在圆筒中的非织造纸13，非织造纸13的两端13a和13a通过这种重叠宽度重叠在一起 A以形成用于整体固定的恒定厚度。卷绕在圆筒中的非织造纸13由合成树脂的管接头1的内周面与前者16一体地形成，非织造纸13的重叠部分13b在压力下形成几乎恒定的厚度在整个非织造片材13一体地固定在构成管接头1的接头体2的内周面的同时，成形时应用。（C）2005，JPO＆NCIPI

5. 发明专利

JP2004176829A Pipe joint and method of connecting with the same 有权
标题翻译：管接头及其连接方法
公开(公告)号：JP2004176829A
公开(公告)日：2004-06-24
申请号：JP2002344749
申请日：2002-11-28
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： WADA NAOTO
IPC分类号： F16L33/00 , F16L33/28
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint capable of being positioned on fully threaded tubes to be connected so as to be securely riding thereon in generally equal lengths and a method of connecting the pipe joint. SOLUTION: This pipe joint abutting and connecting the same types of threaded tubes on and to each other is characterized in that the pipe joint is coated impregnated with a substance transferable onto the generally half of the inner surface thereof in the longitudinal direction. Desirably, the pipe joint comprises a water absorbing and swelling layer swelling when the layer absorbs water in the innermost layer thereof and is coated or impregnated with a substance transferable to the water absorbing and swelling layer. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种管接头，其能够定位在要连接的全螺纹管上，以便以大致相等的长度牢固地骑在其上，以及连接管接头的方法。解决方案：该管接头彼此相邻并连接相同类型的螺纹管，其特征在于，所述管接头被浸渍有可沿其纵向方向转移到其内表面的大致一半上的物质。理想地，当该层吸收其最内层中的水并且涂覆或浸渍可转移到吸水膨胀层的物质时，管接头包括吸水膨胀层溶胀。版权所有（C）2004，JPO

6. 发明专利

JP2008051320A Pipe joint 审中-公开
标题翻译：管接头
公开(公告)号：JP2008051320A
公开(公告)日：2008-03-06
申请号：JP2006231213
申请日：2006-08-28
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： WADA NAOTO , OZAWA SATOSHI , NAKAJIMA YUZO
IPC分类号： F16L33/00 , F16L21/02 , F16L21/06 , F16L33/28
摘要： PROBLEM TO BE SOLVED: To provide the pipe joint which enables the joint work efficiently in a short time and can be downsized rather than the conventional pipe joint. SOLUTION: The pipe joint has a pair of semi-tubular parts 13A, 13B which form the waveform on its inner face to fit with the waveform on an outer circumferential face of a corrugated pipe. The pair of the semi-tubular parts are combined by a hinge part 15 at one end and the another side end can be opened and closed. The flange parts 19A, 19B which projects to the outside respectively are formed in the openable and closable side end of a pair of semi-tubular parts 13A, 13B and a drop-in type locking member 21 holding in the condition to keep close the above openable and closable side end is formed in the flange part. The porous water distensible seat is attached to facilitate the compression in the thickness direction on the inner circumference face of a pair of semi-tubular parts 13A, 13B. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供能够在短时间内有效地进行接头加工而不是常规管接头的管接头。解决方案：管接头具有一对半管状部分13A，13B，其形成在其内表面上的波形以与波纹管的外周面上的波形配合。一对半管状部件通过一端的铰链部15组合，另一侧端部可以打开和关闭。凸出在外侧的凸缘部分19A，19B分别形成在一对半管状部分13A，13B以及保持接近上述状态的下降式锁定部件21的可打开和关闭的侧端中可开闭侧端形成在凸缘部。安装多孔水扩张座以便于在一对半管状部件13A，13B的内周面上沿厚度方向的压缩。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2007262841A Mounting structure of tubular body in piping box 审中-公开
标题翻译：管箱中管状体的安装结构
公开(公告)号：JP2007262841A
公开(公告)日：2007-10-11
申请号：JP2006092565
申请日：2006-03-29
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： WADA NAOTO , OZAWA SATOSHI
IPC分类号： E02D29/12 , F16L5/00
摘要： PROBLEM TO BE SOLVED: To provide a tubular body in a piping box having a smaller number of components and a simple structure, which is easy to construct, is good in workability and good in water-cutoff efficiency, and also its mounting structure.
SOLUTION: Into a mounting hole for the tubular body in the piping box, a short tubular-shaped receiving joint having a flange at one end whose diameter is larger than that of the mounting hole is inserted from the inside of the piping box. Also, a sleeve-shaped holder mounted at the other end of the receiving joint for a coming-off preventing purpose pushes a ring-shaped packing onto a peripheral wall surface of the mounting hole.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了在具有较少数量的部件和易于构造的简单结构的管道箱中提供管状体，具有良好的可加工性和良好的截水效率，并且其安装结构体。解决方案：在配管箱中的管状体的安装孔中，从一端直径大于安装孔的直径的短管状接收接头从管道箱体的内部插入。此外，安装在接收接头的另一端处的用于防止脱落的套筒状保持器将环形填料推到安装孔的周壁表面上。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2007198448A Pipe joint for pipe with spiral wave 审中-公开
标题翻译：管道与螺旋管接头
公开(公告)号：JP2007198448A
公开(公告)日：2007-08-09
申请号：JP2006015838
申请日：2006-01-25
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： OZAWA SATOSHI , WADA NAOTO , IIDA HIDEKUNI
IPC分类号： F16L33/00 , F16L33/28
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint for a pipe with spiral waves with no risk of a high absorbent resin projecting inside a connecting part of the pipe with spiral waves and with which connecting work can be facilitated.
SOLUTION: In the pipe joint for the pipe with spiral waves provided with a nonwoven fabric/high absorbent resin mixture 3 on the inner peripheral face of a pipe joint main body 2 screwed and fastened to the outer peripheral face of the pipe with spiral waves, a section S is provided at a central part in the longitudinal direction of the pipe joint main body 2 where the nonwoven fabric/high absorbent resin mixture 3 is not provided, and the nonwoven fabric/high absorbent resin mixture 3 is provided on both sides of the section S. Even when a gap occurs between end faces of pipes in the pipe joint 1, because the nonwoven fabric/high absorbent resin mixture 3 is not provided on the inner peripheral face of the central part of the pipe joint main body 2, there is no occurrence of the high absorbent resin contacted with water expanding and projecting into a pipe from a gap. The friction resistance when screwing/unscrewing the pipe joint 1 to/from the pipe with spiral waves is reduced, and the connecting work is facilitated.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有螺旋波的管道的管接头，而不会在具有螺旋波的管道的连接部分内突出高吸收性树脂的风险，并且可以促进连接工作。解决方案：在具有螺旋波的管道的管接头中，在管接头主体2的内周面上设置有无纺织物/高吸收性树脂混合物3，螺纹固定并固定到管的外周面上，在没有设置无纺布/高吸水性树脂混合物3的管接头主体2的长度方向的中央部设有截面S，将无纺布/高吸收性树脂混合物3设置在即使在管接头1的管的端面之间发生间隙，由于无纺布/高吸水性树脂混合物3不设置在管接头主体的中心部的内周面上主体2不存在从间隙膨胀并突出到管中的与接触的高吸收性树脂的发生。将管接头1与螺旋形波纹管旋拧/拧松时的摩擦阻力减小，连接工作便利。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2005057868A Tube connecting structure to duct box 有权
标题翻译：管道连接结构到导管箱
公开(公告)号：JP2005057868A
公开(公告)日：2005-03-03
申请号：JP2003285201
申请日：2003-08-01
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： WADA NAOTO
IPC分类号： E02D29/12 , F16L1/024 , F16L33/00 , F16L33/28 , F16L41/08 , H02G1/06 , H02G9/06 , H02G9/10
摘要： PROBLEM TO BE SOLVED: To provide a tube connecting structure to a duct box having excellent water cut-off performance which can prevent certainly and easily water from being infiltrated into the duct box. SOLUTION: The tube connecting structure to the duct box includes a receptacle joint 5 inserted into an opening 3 formed in the wall 1 of a duct box and fixed to the wall 1, and a retainer 17 for holding ends of the receptacle joint 5 inserted into the inner surface of one side of one of a joint body 15 and a tube 7 inserted into the inner surface of the other side of the joint body 15, and a pipe joint 9 for connecting the tube 7 to the receptacle joint 5. An expansion element 19 expanding when moisture is absorbed is formed integrally with inner peripheral surfaces opposed to ends of the receptacle joint 5 and the tube 7 in the retainer part 17 of the pipe joint 9. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有优异的防水性能的管道箱的管连接结构，其可以防止水和水容易地渗透到管道箱中。解决方案：管连接结构到管道箱包括插入到形成在管道箱的壁1中并固定到壁1的开口3中的插座接头5和用于保持插座接头的端部的保持器17 5插入到插入接头体15的另一侧的内表面的接头主体15和管7中的一个的内侧表面中，以及用于将管7连接到接头接头5的管接头9 与吸管接合部5和管7的与管接头9的保持部17相对的端部相对的内周面与内周面一体地形成膨胀的膨胀元件19。 JPO＆NCIPI

10. 发明专利

JP2004336953A Pipe joint 有权
公开(公告)号：JP2004336953A
公开(公告)日：2004-11-25
申请号：JP2003132622
申请日：2003-05-12
申请人： Furukawa Electric Co Ltd:The , Kyowa Rubber Kk , 共和ゴム株式会社 , 古河電気工業株式会社
发明人： WADA NAOTO , SHIROGANE KATSUHIKO , TERASAKA TAKESHI
IPC分类号： F16L21/02 , F16L33/00 , F16L33/28 , H02G1/06 , H02G3/06 , H02G9/06
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint assured of a water shut off function which is stable and manufactured at a low cost. SOLUTION: A pipe joint 1 comprises a connection part 1a for connecting the end of a pipe body 2, and holds a water expansion part 4 that expands by absorbing water content on the outer layer side of the connection part 1a that faces the pipe body 2. A holding interposing part 5 which is welded at molding of the connection part 1a to be integrated with the connection part 1a is provided on the inner layer side than the water expansion part 4. COPYRIGHT: (C)2005,JPO&NCIPI

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