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1. 发明专利

JP2011052762A Pipe joint 有权
标题翻译：管接头
公开(公告)号：JP2011052762A
公开(公告)日：2011-03-17
申请号：JP2009202506
申请日：2009-09-02
申请人： Hitachi Metals Ltd , Sankoo:Kk , Tokyo Gas Co Ltd , 日立金属株式会社 , 東京瓦斯株式会社 , 株式会社サンコー
发明人： MINAMI TOMOYUKI , TAKAHASHI YUKA , SHINTANI YOSHIHIRO , ITANI TAKAAKI , ISHIBE FUMIKAZU , OKIAYU TAKUJI , UCHIUMI YOICHI
IPC分类号： F16L33/00 , F16L33/28 , F16L37/12
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint which does not lose the function of disassembling the pipe joint even when a corrugated pipe is erroneously pressed into the pipe joint from a state that the connecting construction of the corrugated pipe is completed. SOLUTION: The pipe joint 1 includes: a joint body 2, which has an inner hole 21 into which a flexible pipe 11 is inserted from one end; a seal member 5, which slides in the direction opposite to the insertion direction when the flexible pipe 11 is inserted deep and seals the flexible pipe 11 and the joint body 2; a locking member (retainer) 6, which is adjacent to the seal member 5 and has a claw part 61a locked on the flexible pipe 11. In addition, a locking member diameter re-expansion preventing means 531 is provided between the seal member 5 and the locking member 6. With the sliding action of the seal member 5, the locking member 6 is locked on the flexible pipe 11, while the locking member diameter re-expansion preventing means 531 acts so as to move to a portion between the locking member 6 and the joint body 2. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使在波纹管的连接结构完成的状态下波纹管被错误地压入管接头中时，也能够提供不失去拆卸管接头功能的管接头。管接头1包括：接头本体2，其具有内孔21，柔性管11从一端插入其中; 密封构件5，当柔性管11被深深地插入时，其沿与插入方向相反的方向滑动，并且密封柔性管11和接头本体2; 与密封构件5相邻的锁定构件（保持器）6，并且具有锁定在柔性管11上的爪部61a。此外，在密封构件5与密封构件5之间设置有锁定构件直径再膨胀防止装置531 锁定构件6.随着密封构件5的滑动，锁定构件6被锁定在柔性管11上，而锁定构件直径再膨胀防止装置531用于移动到锁定构件6之间的部分 6和联合机构2.版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2011052763A Seal member and corrugated pipe joint 有权
标题翻译：密封件和密封管接头
公开(公告)号：JP2011052763A
公开(公告)日：2011-03-17
申请号：JP2009202507
申请日：2009-09-02
申请人： Hitachi Metals Ltd , Sankoo:Kk , Tokyo Gas Co Ltd , 日立金属株式会社 , 東京瓦斯株式会社 , 株式会社サンコー
发明人： MINAMI TOMOYUKI , TAKAHASHI YUKA , SHINTANI YOSHIHIRO , ITANI TAKAAKI , ISHIBE FUMIKAZU , OKIAYU TAKUJI , NIBU HITOSHI , UCHIUMI YOICHI
IPC分类号： F16L33/00 , F16L33/28
摘要： PROBLEM TO BE SOLVED: To reduce manufacturing cost by enabling a corrugated pipe to be drawn out easily in a condition that the connecting construction of the corrugated pipe is not completed.
SOLUTION: A seal member, which is used for a pipe joint for connecting the corrugated pipe, includes a seal portion 40, which is formed with an outer diameter larger than the inner diameter of the inner hole of a joint body 10 having the inner hole 16 into which the corrugated pipe T is inserted and inner diameter smaller than the outer diameter of the corrugated pipe T, and an extension portion 41, which is integrated with the seal portion 40 and formed with inner diameter larger than the outer diameter of the corrugated pipe T, and keeps a refractory packing fixed on the outer circumference of the extension portion 41.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过在波纹管的连接结构未完成的条件下使波纹管容易地拉出来降低制造成本。解决方案：用于连接波纹管的管接头的密封构件包括密封部40，该密封部40形成为具有比接头体10的内孔的内径大的外径，插入有波纹管T的内孔16，内径小于波纹管T的外径，延伸部41与密封部40一体形成，内径大于外径并保持固定在延伸部分41的外圆周上的耐火材料包装。（C）2011年，JPO＆INPIT

3. 发明专利

JP2007255483A Angle universal type pipe joint and method for bending this pipe joint 审中-公开
标题翻译：角度通用型管接头和弯管管接头的方法
公开(公告)号：JP2007255483A
公开(公告)日：2007-10-04
申请号：JP2006078119
申请日：2006-03-22
申请人： Hitachi Metals Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , 日立金属株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社
发明人： NISHIKATA NOBUHIRO , OKIAYU TAKUJI , YOSHII TAKAAKI , IMAGAWA TAKASHI , NAKANISHI MIOKO
IPC分类号： F16L47/02
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint capable of being bent at an optional angle at pipe construction site without causing deformation, crushing, and flattening of the inside of the pipe joint and to provide a method for bending this pipe joint. SOLUTION: Heating members composed of, for example, heating wires are provided in three systems in a thick wall part of the pipe joint by winding them around it and burying them into it, two current carrying terminals 1A, 1B are provided on both end sides of each of the heating members in three systems by protruding outward, the thick wall part 3 and a resin-made pipe part 4 are integrally fused, and the thick wall part of the pipe joint is bent at an optional angle at the pipe construction site by using a bending device. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在管道施工现场以任意角度弯曲的管接头，而不会导致管接头内部变形，破碎和变平，并提供一种弯曲管接头的方法。解决方案：由例如加热丝组成的加热件在管接头的厚壁部分中通过将其缠绕在其上并将其埋入其中而在三个系统中设置，两个载流端子1A，1B设置在通过向外突出的三个系统中的每个加热构件的两端侧，厚壁部3和树脂制管道部4一体地熔合，并且管接头的厚壁部在任意角度弯曲管道施工现场采用弯曲装置。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2006177513A Multi-stage bend for piping, and connecting method for resin pipe 审中-公开
标题翻译：用于管道的多级弯管和用于树脂管的连接方法
公开(公告)号：JP2006177513A
公开(公告)日：2006-07-06
申请号：JP2004373991
申请日：2004-12-24
申请人： Hitachi Metals Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , 日立金属株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社
发明人： NISHIKATA NOBUHIRO , OKIAYU TAKUJI , INOUE YASUYUKI , IMAGAWA TAKASHI , SUGIMOTO TAKAFUMI , KASUGAI SHINJI
IPC分类号： F16L43/00 , B29C65/34 , B29L23/00 , F16L47/02
摘要： PROBLEM TO BE SOLVED: To provide a multi-stage bend for piping, which can form a coupling member having a plurality of bending angles from one kind of a member.
SOLUTION: The multi-stage bend 1 for piping has a plurality of straight pipe sections 12a to 12e, and a plurality of bent sections 11a, 11b, 11c, and 11d. The adjacent straight pipe sections 12 are bent pipe-shaped joint members connected so that their center axes are crossed via the bent sections 11. In an other multi-stage bend 4, an electrically fusion-welded joint 5, in which a socket 51 inserted with a resin pipe 3 is provided and an electric heat wire 52 is buried in an inner surface of the socket, can be firmly fixed into the straight pipe section at one end.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于管道的多级弯头，其可以形成具有来自一种构件的多个弯曲角度的联接构件。解决方案：用于管道的多级弯管1具有多个直管段12a至12e以及多个弯曲部分11a，11b，11c和11d。相邻的直管部12是弯曲的管状接头构件，其连接成使得它们的中心轴线经由弯曲部11交叉。在另一多级弯曲部4中，插入有插座51的电熔接头5 设置有树脂管3并且电热丝52埋在插座的内表面中，可以在一端牢固地固定在直管部中。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2006200692A Protecting member for non-open cut propelling technique 审中-公开
标题翻译：保护非开放螺旋桨技术的会员
公开(公告)号：JP2006200692A
公开(公告)日：2006-08-03
申请号：JP2005015277
申请日：2005-01-24
申请人： Hitachi Metals Ltd , Toho Gas Co Ltd , 日立金属株式会社 , 東邦瓦斯株式会社
发明人： NISHIKATA NOBUHIRO , OKIAYU TAKUJI , IMAGAWA TAKASHI , SUGIMOTO TAKAFUMI
IPC分类号： F16L58/10
摘要： PROBLEM TO BE SOLVED: To provide a protecting member to be propelled in a ground while preventing the separation of a coating resin.
SOLUTION: The protecting member 3 is provided for protecting a connection portion of a connection steel pipe 1 consisting of a plurality of resin coated steel pipe 2 (2a, 2b) axially connected to one another and each having a primary pipe 21 (21a, 21b), an anticorrosive layer (22a, 22b) covering the outer peripheral face thereof and a protecting layer 23 (23a, 23b) applied to the outer peripheral face thereof. It comprises an anticorrosive member 31 to be applied to the anticorrosive layers 22 on both sides of a joint portion formed with the primary pipe 22 whose end faces abut on each other, and a resin sleeve 32 which is longer than the anticorrosive member 31 and either end of which has a diameter smaller than that of the protecting layer 23 and is welded to the anticorrosive layer 22.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供在地面中被推进的保护构件，同时防止涂层树脂的分离。解决方案：保护构件3设置用于保护由多个轴向连接的多个树脂涂覆钢管2（2a，2b）组成的连接钢管1的连接部分，每个具有主管21（ 21a，21b），覆盖其外周面的防腐层（22a，22b）和施加到其外周面的保护层23（23a，23b）。它包括防腐构件31，其被施加到形成有端面彼此邻接的主管22的接合部的两侧的防腐蚀层22以及比防腐蚀构件31长的树脂套筒32和其端部的直径小于保护层23的直径，并且焊接到防腐层22上。（C）版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2010048376A Bend pipe joint for drainage 审中-公开
标题翻译：弯管管接头排水
公开(公告)号：JP2010048376A
公开(公告)日：2010-03-04
申请号：JP2008214487
申请日：2008-08-22
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： OKIAYU TAKUJI , MIZUTANI MASAKAZU , NAKADA TSUMORU
IPC分类号： F16L21/04 , F16L43/00
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint for drainage capable of maintaining a corrosion resistance on an inner peripheral surface of a bending joint section even in a cleaning method for a general drainpipe which uses a cleaning device.
SOLUTION: The pipe joint 1 for drainage has a joint body 10 having sockets 11 for inserting steel pipes 50 on both ends and a flow passage 13 connected with the socket 11 and bent at a designated angle, and a circular seal packing 20 inserted outward an outer peripheral surface of a pipe. An axial center 11a of the socket 11 is arranged to be offset outside in the bending direction of the flow passage against the axial center 13a of the flow passage 13 so that an imaginary line 40 for combining both inner R sections 13b of the flow passage 13 at pipe ends of the steel pipes 50 inserted into both sides of the socket 11 is not crossed with the joint body 10.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使在使用清洁装置的一般排水管的清洁方法中，也提供一种能够在弯曲接头部的内周面上保持耐腐蚀性的排水管接头。解决方案：用于排水的管接头1具有接头本体10，接头体10具有用于在两端插入钢管50的插座11和与插座11连接并以指定角度弯曲的流动通道13和圆形密封垫20 向外插入管的外周面。插座11的轴心11a配置成相对于流路13的轴心13a在流路的弯曲方向上向外侧偏移，从而将用于组合流路13的内部R部13b的假想线40 在插入插座11的两侧的钢管50的管端不与接头体10交叉。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2006200691A Laser welding protecting member 审中-公开
标题翻译：激光焊接保护构件
公开(公告)号：JP2006200691A
公开(公告)日：2006-08-03
申请号：JP2005015275
申请日：2005-01-24
申请人： Hitachi Metals Ltd , Toho Gas Co Ltd , 日立金属株式会社 , 東邦瓦斯株式会社
发明人： NISHIKATA NOBUHIRO , OKIAYU TAKUJI , IMAGAWA TAKASHI , SUGIMOTO TAKAFUMI
IPC分类号： F16L57/00
摘要： PROBLEM TO BE SOLVED: To provide a laser welding protecting member for preventing damage to a resin which coats a steel pipe during carrying it to a construction site and preventing the separation of the coating resin when propelled in a ground.
SOLUTION: The laser welding protecting member comprises an inner sleeve 4 to be attached to a welded portion 24 between resin coated steel pipes 2a, 2b having a primary pipe 21, anticorrosive layer 22a, 22b covering the outer peripheral face thereof and protecting layers 23a, 23b applied on the outer peripheral faces thereof, where the end faces of primary pipes 21a, 21b abut on each other, and to the anticorrosive layers 22a, 22b on both sides thereof, and an outer sleeve 32 formed of a heat shrinkable material through which a laser beam is transmitted. At least the both-end inner peripheral faces of the inner sleeve 4 each contain a material which absorbs the laser beam.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种激光焊接保护构件，用于防止在将钢管运送到施工现场时涂覆钢管的树脂的损坏，并且防止涂层树脂在地面中被推进时分离。
解决方案：激光焊接保护构件包括内套筒4，该内套筒4被附接到具有主管21的树脂涂覆钢管2a，2b之间的焊接部分24，覆盖其外周面的防腐层22a，22b和保护层在其外周面上施加有主要管21a，21b的端面彼此抵接的层23a，23b以及其两侧的防腐蚀层22a，22b以及由热收缩传输激光束的材料。至少内套筒4的两端内周面各自包含吸收激光束的材料。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2006200290A Non open-cut jacking method 审中-公开
标题翻译：非打开切割方法
公开(公告)号：JP2006200290A
公开(公告)日：2006-08-03
申请号：JP2005015276
申请日：2005-01-24
申请人： Hitachi Metals Ltd , Toho Gas Co Ltd , 日立金属株式会社 , 東邦瓦斯株式会社
发明人： NISHIKATA NOBUHIRO , OKIAYU TAKUJI , IMAGAWA TAKASHI , SUGIMOTO TAKAFUMI
IPC分类号： E21D9/06 , F16L1/024 , F16L58/10
摘要： PROBLEM TO BE SOLVED: To provide a non open-cut jacking method for preventing a damage of the resin covering a steel pipe under delivery to a construction site and also for preventing exfoliation of the covering resin upon jacking in the ground. SOLUTION: Resin-covered steel pipes 2a, 2b comprise original pipes 21a, 21b, anticorrosive layers 22a, 22b covering the outer peripheral surfaces thereof, and protective layers 23a, 23b covering the outer peripheral surfaces of the anticorrosive layers 22a, 23b. A heat-shrinkable tube 3 is brought into tight contact with a welded part 24, where end faces of the original pipes 21a, 21b are mutually abutted, and the anticorrosive layers 22a, 22b on both sides of the welded part 24. A resin sleeve 30 longer than a heat-shrinkable tube 3 covers the heat-shrinkable tube 3 and the anticorrosive layers 22a, 22b, and both ends of the resin sleeve 30 are fused to the anticorrosive layers 22a, 22b. Thus, a connected steel pipe 1, in which a plurality of resin-covered steel pipes 2 are connected in the axial direction, is made. The connected steel pipe 1 is led into the ground by a jacking rod 15. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于防止在输送到施工现场的覆盖钢管的树脂损坏的非开放顶起方法，并且还用于防止覆盖树脂在地面顶起时的剥离。解决方案：树脂覆盖的钢管2a，2b包括原管21a，21b，覆盖其外周表面的防腐层22a，22b和覆盖防腐层22a，23b的外周表面的保护层23a，23b 。将热收缩管3与原管21a，21b的端面相互抵接的焊接部24与焊接部24的两侧的防腐蚀层22a，22b紧密接触。树脂套 30比热收缩管3覆盖热收缩管3和防腐蚀层22a，22b，并且树脂套筒30的两端与防腐蚀层22a，22b熔合。因此，制造了在轴向连接多根树脂覆盖钢管2的连接钢管1。连接的钢管1通过顶杆15引导到地面上。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2007261065A Coating apparatus and coating method for joint part of resin-coated steel pipe 有权
标题翻译：树脂涂层钢管接头部分涂装装置及涂装方法
公开(公告)号：JP2007261065A
公开(公告)日：2007-10-11
申请号：JP2006088654
申请日：2006-03-28
申请人： Hitachi Metals Ltd , Toho Gas Co Ltd , 日立金属株式会社 , 東邦瓦斯株式会社
发明人： WAI SHINICHI , OKIAYU TAKUJI , IMAGAWA TAKASHI , NAKANISHI MIOKO
IPC分类号： B29C63/06 , B29L23/00
摘要： PROBLEM TO BE SOLVED: To join a resin film with the coating layer of a resin-coated steel pipe so as to seal the surface where the steel pipe is exposed, including the joint part, of the resin-coated steel pipe buried in the ground and so as to be less in the risk of delamination or breakage. SOLUTION: The coating apparatus for the joint part of the resin-coated steel pipe is welds by a laser so as to surround the joint part that is formed by welding end faces of the resin-coated steel pipes whose peripheral surfaces other than its ends are coated with a coating layer mainly composed of a resin having laser beam absorptiveness, a resin film having laser beam permeability on peripheral surfaces of the coating layers of both sides and thus coats the joint part. The apparatus is characterized by having a laser irradiation means provided with a laser irradiation part that radiates a laser beam to one direction, a rotating means that turns the laser irradiation means around the axial center of the resin-coated steel pipe in such a state that the laser beam can irradiate the surface of the resin film, and a separating means provided with a cutting tool that makes a cut in the resin layer along the laser scanning direction. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了将树脂膜与树脂涂层钢管的涂层接合，以将包括接合部的钢管露出的表面密封在埋设的树脂涂覆钢管中在地面上，以免分层或破裂的风险较小。＆lt; P＆gt;解决方案：用于树脂涂覆钢管的接合部分的涂覆装置是通过激光焊接，以便围绕通过焊接树脂涂覆钢管的端面而形成的接合部分，其端部涂覆有主要由具有激光束吸收性的树脂组成的涂层，在两侧的涂层的周面上具有激光束透过性的树脂膜，从而涂覆接合部。该装置的特征在于具有：激光照射装置，具有向一个方向照射激光的激光照射部，将激光照射装置绕树脂被覆钢管的轴心中心旋转的旋转机构，激光束可以照射树脂膜的表面，以及设置有沿着激光扫描方向在树脂层中切割的切割工具的分离装置。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2006334617A Automatic welding apparatus of coated steel tube, and its connection method 审中-公开
标题翻译：涂层钢管自动焊接设备及其连接方法
公开(公告)号：JP2006334617A
公开(公告)日：2006-12-14
申请号：JP2005160652
申请日：2005-05-31
申请人： Hitachi Metals Ltd , Toho Gas Co Ltd , 日立金属株式会社 , 東邦瓦斯株式会社
发明人： NISHIKATA NOBUHIRO , OKIAYU TAKUJI , IMAGAWA TAKASHI , SUGIMOTO TAKAFUMI
IPC分类号： B23K26/20 , B23K9/00 , B23K9/028 , B23K26/08 , B23K26/32 , B23K101/06 , B23K103/04
摘要： PROBLEM TO BE SOLVED: To provide an automatic welding apparatus for coated steel tubes capable of performing the welding of a steel tube body and fusing of a protective sheet layer by the same equipment. SOLUTION: The automatic welding apparatus for coated steel tubes welds ends of the coated steel tubes with outer circumferential surfaces of steel tube bodies 2 coated by a coating layer 4 mainly consisting of a resin, and covers the tubes with protective sheet layers 10 to perform the corrosion-proof protection, and comprises a welding means 22 to perform the welding of ends of the steel tube bodies and the fusing of the coating layer to the protective sheet layers 10, a turning means 24 to turn the welding means around the axis of the coated steel tube, a horizontal moving means 26 to move the welding means along the axial direction of the coated steel tubes, and a control means 28 to control the operation of the entire equipment. The welding of the steel tube bodies and the fusing of the protective sheet layers are performed by the same equipment. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够进行钢管体的焊接并通过相同设备熔合保护层的涂层钢管的自动焊接装置。
解决方案：涂覆钢管的自动焊接装置焊接涂覆钢管的端部，其外表面由主要由树脂构成的涂层4涂覆的钢管体2的外圆周表面，并用保护层10覆盖管执行防腐蚀保护，并且包括焊接装置22，用于执行钢管主体的端部的焊接和将涂层熔合到保护片层10，转动装置24，以使焊接装置围绕涂层钢管的轴线，沿涂覆钢管的轴向移动焊接装置的水平移动装置26和控制装置整体运行的控制装置28。钢管体的焊接和保护层的熔合由相同的设备进行。版权所有（C）2007，JPO＆INPIT

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