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1. 发明专利

JP2012097824A Sealing method and hole saw 有权
标题翻译：密封方法和孔眼
公开(公告)号：JP2012097824A
公开(公告)日：2012-05-24
申请号：JP2010246174
申请日：2010-11-02
申请人： Bushu Gas Co Ltd , Hiroshima Gas Kk , Hokkaido Gas Co Ltd , Hokuriku Gas Co Ltd , Keiyo Gas Kk , Mitsui Kagaku Sanshi Kk , Nippon Gas Co Ltd , Saicho Bussan Kk , Seibu Gas Co Ltd , Shizuoka Gas Co Ltd , 三井化学産資株式会社 , 京葉瓦斯株式会社 , 北海道ガス株式会社 , 北陸瓦斯株式会社 , 広島ガス株式会社 , 斎長物産株式会社 , 日本瓦斯株式会社 , 武州瓦斯株式会社 , 西部瓦斯株式会社 , 静岡瓦斯株式会社
发明人： SUGIYAMA AKIHIRO , ISHIGAMI TAMOTSU , TANAKA HIROAKI , MORISHIGE KOZO , ABE HIROSHI , KUROIWA MITSUYUKI , FUKUTOME TOSHIAKI , SUGAWARA TAKUMI , YAMASHITA KOJI , WADA HIROYUKI , KAWAMURA TAKEAKI
IPC分类号： F16L41/04
摘要： PROBLEM TO BE SOLVED: To enable seal to be performed simply and workably without employing a shutter device and a sealing plug in sealing method of a branch joint after electrically fusing or thermally fusing a branch pipe to a gas pipe made of thermoplastic resin with larger bore and next perforating on the gas pipe through the branch joint.SOLUTION: This invention comprises step of being attached with an O-ring 16 in a hole saw 15 and step of pulling out the hole saw 15 within a trunk 12 of the joint 14 after perforating the gas pipe 1 and step of sealing by bringing the O-ring 16 into contact with inner peripheral surface of the trunk.
摘要翻译：要解决的问题：为了在使热分解管与热塑性树脂制的气管电熔融或热熔融之后，在不使用快门装置和密封塞的分支接头的密封方法下，简单且可行地进行密封具有较大的孔和下一个穿孔通过分支接头在气管上。解决方案：本发明包括在孔锯15中附接有O形环16的步骤，以及在穿孔气体管1和密封步骤之后将接头14的主体12内的孔锯15拉出的步骤通过使O形环16与躯干的内周面接触。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2012145230A Clamp for saddle-shaped electrofusion joint 有权
标题翻译：夹头形状电阻接头
公开(公告)号：JP2012145230A
公开(公告)日：2012-08-02
申请号：JP2012094694
申请日：2012-04-18
申请人： Bushu Gas Co Ltd , Hokuriku Gas Co Ltd , Keiyo Gas Kk , Mitsui Kagaku Sanshi Kk , Nippon Gas Co Ltd , Saicho Bussan Kk , Shizuoka Gas Co Ltd , 三井化学産資株式会社 , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 斎長物産株式会社 , 日本瓦斯株式会社 , 武州瓦斯株式会社 , 静岡瓦斯株式会社
发明人： TANAKA HIROAKI , ABE HIROSHI , KUKIDA SHINPEI , TERUNUMA SUNAO
IPC分类号： F16L47/02 , B29C65/34
摘要： PROBLEM TO BE SOLVED: To improve adhesiveness between a main pipe part and a plastic pipe to eliminate fusion failure at that part upon fixing an electrofusion saddle joint having an outer diameter of 60 mm or more to the plastic pipe by a clamp.SOLUTION: The clamp 14 for fixing the saddle joint 11 to the plastic pipe 3 includes: an upper fastening tool 15 which is passed through the main pipe part 2a of the saddle joint 11 and mounted over a saddle part 2b from above, and which presses the saddle part 2b curved on both sides of the main pipe part on the inner peripheral surface which is curved in a projecting shape; and a lower fastening tool 7 having a semicircular shape projecting downward and applied to the plastic pipe 3 from below. The both fastening tools 7, 15 are fastened, and the saddle part 2b is pressed and fastened on the inner peripheral face of the upper fastening tool 15.
摘要翻译：要解决的问题：为了提高主管部分和塑料管之间的粘合性，通过夹具将外直径为60mm以上的电熔鞍座接头固定在塑料管上时，可消除该部分处的熔融破坏。解决方案：用于将鞍形接头11固定到塑料管3的夹具14包括：上紧固工具15，其穿过鞍形接头11的主管部分2a并从上方安装在鞍座部分2b上，并且在突出形状的弯曲的内周面上按压在主管部的两侧弯曲的鞍部2b; 以及具有向下突出并从下方施加到塑料管3的半圆形的下紧固工具7。两个紧固工具7,15被紧固，并且鞍部2b被按压并固定在上紧固工具15的内周面上。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2007333180A Saddle-type electro-fusion joint and clamp 有权
标题翻译：电子类型电熔接头和夹
公开(公告)号：JP2007333180A
公开(公告)日：2007-12-27
申请号：JP2006168849
申请日：2006-06-19
申请人： Bushu Gas Co Ltd , Hokuriku Gas Co Ltd , Keiyo Gas Kk , Mitsui Chemicals Inc , Nippon Gas Co Ltd , Saicho Bussan Kk , Shizuoka Gas Co Ltd , 三井化学株式会社 , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 斎長物産株式会社 , 日本瓦斯株式会社 , 武州瓦斯株式会社 , 静岡瓦斯株式会社
发明人： TANAKA HIROAKI , ABE HIROSHI , KUKIDA SHINPEI , TERUNUMA SUNAO
IPC分类号： F16L47/02
摘要： PROBLEM TO BE SOLVED: To improve a close contact property with a plastic pipe at a main pipe part to eliminate a fusion failure at that part, in fixing an electro-fusion saddle joint with an outer diameter of 60 mm or more to the plastic pipe by a clamp.
SOLUTION: The saddle joint 11 has projecting parts 12 with flat upper faces, in symmetric positions on the base outer periphery of the main pipe part 2a. The clamp 14 for fixing the saddle joint 11 to the plastic pipe 3 comprises: an upper clamp fitting 15 mounted over a saddle part 2b from above and provided with fork parts 4 at four corners; and a pair of lower clamp fittings 7 formed in downward projecting semicircular shape and rotatably fitted with clamping rods 6 at both ends. Flat presser parts 17 are stuck to the upper clamp fitting 15 at the parts facing the projecting parts 12, by a pair of bolts 18 respectively through mounting parts 16. In an electro-fusion time, the presser parts 17 of the clamp 14 press the projecting parts 12 of the saddle joint 11 to impart a pressing force against an interface pressure.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提高与主管部分处的塑料管的紧密接触性，以消除该部分处的熔化故障，将外径为60mm以上的电熔鞍形接头固定到塑料管通过夹具。解决方案：鞍形接头11在主管部分2a的基部外周上具有平坦的上表面的对称位置的突出部分12。用于将鞍形接头11固定到塑料管3的夹具14包括：上部夹具15，其从上方安装在鞍座部分2b上，并在四个角处设置有叉形部分4; 以及形成为向下突出的半圆形并且在两端可旋转地装配有夹紧杆6的一对下夹具配件7。平压件17通过分别通过安装部16的一对螺栓18在面对突出部12的部分处粘贴到上夹具15上。在电熔时，夹具14的压紧部17将鞍形接头11的突出部分12施加抵抗界面压力的压力。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2008025714A Saddle-type electrofusion joint and electrofusion method 审中-公开
标题翻译：电子类型电子接头和电子方法
公开(公告)号：JP2008025714A
公开(公告)日：2008-02-07
申请号：JP2006198815
申请日：2006-07-21
申请人： Bushu Gas Co Ltd , Hokuriku Gas Co Ltd , Keiyo Gas Kk , Mitsui Chemicals Inc , Nippon Gas Co Ltd , Saicho Bussan Kk , Shizuoka Gas Co Ltd , 三井化学株式会社 , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 斎長物産株式会社 , 日本瓦斯株式会社 , 武州瓦斯株式会社 , 静岡瓦斯株式会社
发明人： TANAKA HIROAKI , ABE HIROSHI , KUKIDA SHINPEI , TERUNUMA SUNAO
IPC分类号： F16L47/02 , F16L41/02
摘要： PROBLEM TO BE SOLVED: To provide a large-bore diameter use saddle-type electrofusion joint allowing proper fusion while setting the thickness of a saddle part in a proper range and imparting required electric energy per unit fusion area. SOLUTION: The saddle joint comprises: concentric fusion parts 15a, 15b formed by spirally coiling an electric heat wire around a hole 14 corresponding to a spigot 12; and a thermoplastic resin sheet 16 inserted and molded between the fusion parts 15a, 15b with a cold zone 15c having a width of 10 mm or more. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供大直径的鞍式电熔接头，能够在将鞍部的厚度设定在适当的范围内并且赋予每单位熔融区域所需的电能的同时进行适当的熔合。解决方案：鞍座接头包括：通过将电热丝围绕对应于插口12的孔14螺旋卷绕而形成的同心熔接部分15a，15b; 以及在熔融部15a，15b之间插入并模制有宽度为10mm以上的冷带15c的热塑性树脂片16。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2008025704A Electrofusion joint 审中-公开
标题翻译：电磁接头
公开(公告)号：JP2008025704A
公开(公告)日：2008-02-07
申请号：JP2006198388
申请日：2006-07-20
申请人： Bushu Gas Co Ltd , Hokuriku Gas Co Ltd , Keiyo Gas Kk , Mitsui Chemicals Inc , Nippon Gas Co Ltd , Saicho Bussan Kk , Shizuoka Gas Co Ltd , 三井化学株式会社 , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 斎長物産株式会社 , 日本瓦斯株式会社 , 武州瓦斯株式会社 , 静岡瓦斯株式会社
发明人： TANAKA HIROAKI , ABE HIROSHI , KUKIDA SHINPEI , TERUNUMA SUNAO
IPC分类号： F16L47/02
摘要： PROBLEM TO BE SOLVED: To provide an electrofusion joint for large-bore diameter use, which is securely fused to a plastic pipe while securing the pushing force of a clamp and pressure on a fusion interface even when the joint is energized for a longer time and a saddle portion is heated up to its surface to be softened and melted.
SOLUTION: In the outer peripheral face of the saddle portion 3, peripheral ribs 14 are formed at proper spaces along the pipe axial direction of the plastic pipe 7 to which the saddle portion 3 is applied.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于大口径使用的电熔接头，其在将夹具的推力和压力固定在熔接界面上的同时牢固地熔合到塑料管上，即使当接头通电时，较长的时间和鞍部被加热到其表面以软化和熔化。解决方案：在鞍座部3的外周面上，沿着施加鞍部3的塑料管7的管轴方向的适当空间形成周边肋14。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2006307968A Branch fitting 审中-公开
标题翻译：分支配件
公开(公告)号：JP2006307968A
公开(公告)日：2006-11-09
申请号：JP2005131091
申请日：2005-04-28
申请人： Bushu Gas Co Ltd , Hokuriku Gas Co Ltd , Japan Gas Association , Keiyo Gas Kk , Mitsui Chemicals Inc , Nippon Gas Co Ltd , Saicho Bussan Kk , Shizuoka Gas Co Ltd , 三井化学株式会社 , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 斎長物産株式会社 , 日本瓦斯株式会社 , 武州瓦斯株式会社 , 社団法人日本ガス協会 , 静岡瓦斯株式会社
发明人： TANAKA HIROAKI , TANAKA YASUO , ABE HIROSHI
IPC分类号： F16L47/00 , F16L41/02
摘要： PROBLEM TO BE SOLVED: To provide a saddle joint for a gas pipe connected with a plastic pipe by thermal fusion and capable of preventing occurrence of deformation and leakage of gas even when high internal pressure is applied. SOLUTION: This branched joint is composed of a saddle part 4 and a cylindrical part 5 rising from the saddle part 4 and connected with a branched pipe. A circular ring-like steel insert 6 for reinforcing a basic part 5a is buried into the basic part 5a having large wall thickness of the cylindrical part 5. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过热熔接与塑料管连接的气体管道的鞍形接头，并且即使在施加高内部压力时也能够防止气体的变形和泄漏的发生。解决方案：该分支接头由鞍部4和从鞍部4上升并与分支管连接的圆筒部5构成。用于加强基部5a的圆形环形钢插入件6被埋入具有圆柱形部分5的较大壁厚的基部5a中。（C）2007，JPO＆INPIT

7. 发明专利

JP2010228081A Boring device 审中-公开
标题翻译：镗孔装置
公开(公告)号：JP2010228081A
公开(公告)日：2010-10-14
申请号：JP2009081356
申请日：2009-03-30
申请人： Mitsui Kagaku Sanshi Kk , Osaki Precision Co Ltd , 三井化学産資株式会社 , 大肯精密株式会社
发明人： TANAKA HIROAKI , MORISHIGE KOZO
IPC分类号： B26F1/02 , F16L41/04
摘要： PROBLEM TO BE SOLVED: To provide a boring device capable of securely carrying out boring work even if there is not sufficient space for the boring work at a lateral side of a pipe when boring the gas pipe through a branch joint attached to the gas pipe by laterally placing a vertical flank connected with a branched pipe.
SOLUTION: A plunger 17 of a hydraulic cylinder 18 is fixed to a rod 23, and a hole saw 21 is fixed to a cylinder 16. When boring the gas pipe 1, the rod 23 is operated, and the hydraulic cylinder 18 is installed into a hole saw charging port 14 and pressed to the vertical body part 13 together with the hole saw 21. A reaction force receiving means including a support member 27 and an engagement member 28 is installed into the hole saw charging port 14 along the rod 23. The engagement member 28 is fitted in a recessed groove 31 formed at the inner wall of the vertical flank, and the support member 27 is placed on an inner circumferential ceiling at the depth side of the hole saw charging port 14. After the reaction force receiving means is mounted, oil is fed to the hydraulic cylinder 18, and the hole saw 21 16 is advanced and pressed to the gas pipe 1 together with the cylinder, and bores the pipe.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够可靠地进行镗孔加工的钻孔装置，即使在管道的侧面没有足够的用于钻孔工作的空间的情况下，通过附接到气管通过横向放置与分支管连接的垂直侧面。解决方案：液压缸18的柱塞17固定在杆23上，孔锯21固定在缸体16上。当钻出气管1时，杆23被操作，液压缸18 被安装到孔锯加料口14中并与孔锯21一起被压向垂直主体部分13.包括支撑构件27和接合构件28的反作用力接收装置沿着孔锯加料口14沿着接合构件28装配在形成在垂直侧面的内壁处的凹槽31中，并且支撑构件27被放置在孔孔充电端口14的深度侧的内周天花板上。在安装反作用力接收装置，油被供给到液压缸18，并且孔锯2116前进并与气缸一起被压到气体管道1上并对管道进行钻孔。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2009174667A Method and device for boring hole in gas pipe via branch joint 审中-公开
标题翻译：用于通过分支接头在气体管道中钻孔的方法和装置
公开(公告)号：JP2009174667A
公开(公告)日：2009-08-06
申请号：JP2008015715
申请日：2008-01-28
申请人： Mitsui Kagaku Sanshi Kk , 三井化学産資株式会社
发明人： TANAKA HIROAKI
IPC分类号： F16L41/04 , B23B41/08 , B26F1/16
摘要： PROBLEM TO BE SOLVED: To bore a hole in the diametrical direction of a pipe, even if a space for boring work does not sufficiently exist on the pipe side, in a method for boring the hole in the gas pipe by a hole saw installed in a hole saw insertion port, after installing a thermoplastic resin branch pipe having a saddle part, a vertical body part projected from the saddle part, the hole saw insertion port and a branch pipe connecting port arranged in the vertical body part, in a polyethylene gas pipe by the saddle part.
SOLUTION: The hole saw 16 is installed in an expansion body 17 expanding in a telescopic shape, and is inserted in parallel to the gas pipe 1 from the hole saw insertion port 14 attached with a tool 24 having a shutter device 23. A hydraulic fluid is supplied in the expansion body 17 after reaching the vertical body part 13. The hole saw 16 is projected in the diametrical direction of the gas pipe 1 by extending the expansion body 17, and the hole is bored by push-cutting. After boring the hole, the expansion body 17 is contracted by discharging the hydraulic fluid from the inside of the expansion body, and the hole saw 16 is returned, and then, is removed via the shutter device 23 by the hole saw insertion port 14.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了在管的直径方向上钻孔，即使在管侧上没有充分存在用于镗孔加工的空间，在用于通过孔钻出气管中的孔的方法中锯安装在孔锯插入口中，在安装具有鞍部的热塑性树脂支管，从鞍部突出的垂直主体部分，孔锯插入口和布置在垂直主体部分中的分支管连接口之后，一个聚乙烯气管通过鞍座部分。解决方案：孔锯16安装在膨胀体17中，膨胀体17以伸缩的形式膨胀，并从安装有具有快门装置23的工具24的孔锯插入口14平行于气体管1插入。在膨胀体17到达垂直主体部13之后，液压流体被供给到膨胀体17中。通过延伸膨胀体17，孔锯16沿气体管1的直径方向突出，并且通过推切钻孔。在钻孔之后，膨胀体17通过从膨胀体的内部排出液压流体而收缩，并且孔锯16返回，然后通过孔锯插入口14经由闸门装置23被移除。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2011112124A Method for removing branch pipe 审中-公开
标题翻译：拆卸分支管的方法
公开(公告)号：JP2011112124A
公开(公告)日：2011-06-09
申请号：JP2009268042
申请日：2009-11-25
申请人： Mitsui Kagaku Sanshi Kk , Osaka Gas Co Ltd , 三井化学産資株式会社 , 大阪瓦斯株式会社
发明人： TANAKA HIROAKI , MIYAKI SEIJI , FURUKAWA JOJI , MURAKAMI HIDETOSHI
IPC分类号： F16L41/06 , F16L1/00 , F16L1/024
摘要： PROBLEM TO BE SOLVED: To provide a method for removing a branch pipe connected to an original pipe via a service T-joint while cutting a rising portion of the service T-joint to almost eliminating a portion protruded from the original pipe and externally fitting a cap joint to the base of the cut rising pipe portion to secure a required fusion area during thermal fusion. SOLUTION: After a hole saw 13 built in the rising pipe portion is pushed into the base of the rising pipe portion and temporarily plugged therein, the rising pipe portion 3 is scraped up to its base 3a to remove a spigot 6 together with the branch pipe 1 and the rising pipe portion 3 is cut at the level of the lower end of an opening 6a of the spigot 6 formed in the rising pipe portion 3. The fusion area of the cap joint is expanded by an equivalent of a thickness t of the spigot 6 to secure the fusion strength of the cap joint during thermal fusion. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种在将服务T型接头的上升部分切断以消除从原管突出的部分时，通过维修T型接头去除与原管连接的分支管的方法，将盖接头外部装配到切割上升管部分的基部，以在热熔融期间固定所需的熔融区域。解决方案：在上升管部分内置的孔锯13被推入上升管部分的基部并暂时插入其中之后，将上升管部分3刮到其基部3a，以将其与分支管1和上升管部分3在形成在上升管部分3中的插口6的开口6a的下端的高度被切割。帽接头的熔化面积以等于厚度 t，以确保在热熔融过程中盖接头的熔合强度。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2011089599A Electric heating mat 审中-公开
标题翻译：电热垫
公开(公告)号：JP2011089599A
公开(公告)日：2011-05-06
申请号：JP2009243989
申请日：2009-10-23
申请人： Mitsui Kagaku Sanshi Kk , 三井化学産資株式会社
发明人： YAMADA YUKINAGA , TANAKA HIROAKI , ABE HIROSHI
IPC分类号： F16L41/08 , F16L47/02
摘要： PROBLEM TO BE SOLVED: To provide an electric heating mat composed ofa thermoplastic resin sheet having a radial spiral groove at a constant pitch around the center of the mat and a heating wire inserted along the groove of the sheet, which prevents short-circuiting caused by contacting heating wires due to kinks without deteriorating heat generation density. SOLUTION: The electric heating mat includes the thermoplastic resin sheet having the rectangle spiral groove in the radial direction at the constant pitch around the center part, and the heating wire 6 inserted along the groove of the sheet. A pitch b in a corner in which the kink is easily generated is larger than a pitch (a) in other parts. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种由热塑性树脂片构成的电加热垫，该热塑性树脂片具有围绕垫中心的恒定间距的径向螺旋槽和沿着该片的槽插入的加热丝，由于扭结而使发热线接触而引起的电路不会降低发热密度。解决方案：电加热垫包括在中心部分处以恒定间距沿径向具有矩形螺旋槽的热塑性树脂片，以及沿着该片的槽插入的加热丝6。在其中容易产生扭结的拐角处的间距b大于其它部分的间距（a）。版权所有（C）2011，JPO＆INPIT

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