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1. 发明专利

JP2005009642A Pipe deformation preventing tool and pipe end processing method 审中-公开
标题翻译：管道变形防止工具和管道末端加工方法
公开(公告)号：JP2005009642A
公开(公告)日：2005-01-13
申请号：JP2003177058
申请日：2003-06-20
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： NOZAKI HIDEO , HIRAI HITOSHI , WADA MITSUO , ISHII KEIJI , SUGIKI YUTAKA , IMAZU EIICHIRO
IPC分类号： F16L3/08 , F16L55/10 , F16L55/18
摘要： PROBLEM TO BE SOLVED: To provide a pipe deformation preventing tool capable of shortening a squeeze cap mounting part, and to provide a pipe end processing method capable of preventing the gas leakage and the water leakage. SOLUTION: This pipe deformation preventing tool 1 has a pair of movable members 2a, 2b having semi-circular arc-shaped receiving parts 22a, 22b with which at least outer peripheral faces of a plurality of kinds of pipes 10 of various bore diameters are at least partially internally kept into contact, spacer members 4a, 4b detachably held between the movable members, and a pair of bolts 3a, 3b inserted into the movable members. The pair of movable members 3a, 3b having the semi-circular arc-shaped receiving parts 22a, 22b are set around a specific position of an existing pipe 10, and an interval between the movable members 2a, 2b is adjusted in accordance with the outer diameter of the existing pipe 10 to bring at least a part of the semi-circular arc-shaped receiving parts 22a, 22b into contact with the outer peripheral face of the existing pipe 10 to constrain the pie 10, and then the existing pipe 10 is sealed and cut at a position separated therefrom. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种能够缩短挤压盖安装部的管道变形防止工具，并且提供能够防止气体泄漏和漏水的管端处理方法。解决方案：该管道变形防止工具1具有一对具有半圆弧形接收部分22a，22b的可移动部件2a，2b，多个孔径的多个管道10的至少外周面直径至少部分地内部保持接触，可拆卸地保持在可动构件之间的间隔构件4a，4b和插入到可动构件中的一对螺栓3a，3b。具有半圆弧状的接收部22a，22b的一对可动部件3a，3b设置在现有管10的特定位置的周围，可动部件2a，2b之间的间隔根据外部现有管10的直径使得半圆弧形接收部22a，22b的至少一部分与现有管10的外周面接触以约束馅饼10，然后将现有管10 在与其分离的位置处密封并切割。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2005098499A Connection joint for shallowly buried pipes 审中-公开
标题翻译：连接管接头
公开(公告)号：JP2005098499A
公开(公告)日：2005-04-14
申请号：JP2004248368
申请日：2004-08-27
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： NOZAKI HIDEO , NAGAMI AKIO , HIRAI HITOSHI , WADA MITSUO , GOTO MASAFUMI , SUGIMOTO TAKAFUMI
IPC分类号： F16L27/12
摘要： PROBLEM TO BE SOLVED: To provide a connection joint for shallowly buried pipes by which an easy execution can be carried out even when a big difference exists in the level between an already laid pipe and a pipe to be newly laid, and repeated use of the joint is possible.
SOLUTION: The connection joint 3 for shallowly buried pipes includes a pair of crank-shaped members 51, 51 respectively having sockets 41 for removably attaching a cast-iron pipe 1 or a polyethylene pipe 2 at one end, a pair of sleeves 61, 61 connected to the other ends of the crank members 51, 51, a joint main-body 64 freely slidably and rotatably supported around both the sleeves 61, 61, and a joint 6 capable of sliding and having sealing members for sealing the ends of the joint main-body 64. In the joint main-body 64, a space S between the sleeves 61 opposing to each other is of at least a length (a) in which the cast-iron pipe 1 and the polyethylene pipe 2 are inserted in the sockets 41. In the connection joint, at least the crank members 5a, 5b including the sockets 41, the joint main-body 64, and sleeves 61, 61 are formed of a thermoplastic resin (e.g. polyolefin).
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于浅埋管道的连接接头，即使在已经铺设的管道和新铺设的管道之间的水平面上存在很大差异的情况下也可以执行容易的执行，并且重复使用接头是可能的。解决方案：用于浅埋管的连接接头3包括一对曲柄形构件51,51，它们分别具有用于将一端的铸铁管1或聚乙烯管2可拆卸地连接的插座41，一对套筒 61,61与曲柄部件51,51的另一端连接，能够自由滑动且可旋转地支承在两个套筒61,61上的接头主体64以及能够滑动并具有用于密封端部的密封部件的接头6 在连接主体64中，彼此相对的套筒61之间的空间S至少具有长度（a），其中铸铁管1和聚乙烯管2为在连接接头中，至少包括插座41，接头主体64和套筒61,61的曲柄部件5a，5b由热塑性树脂（例如聚烯烃）形成。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2005321079A Exchange joint 审中-公开
标题翻译：交换接头
公开(公告)号：JP2005321079A
公开(公告)日：2005-11-17
申请号：JP2004141534
申请日：2004-05-11
申请人： Hitachi Metals Ltd , Osaka Gas Co Ltd , Seibu Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , 大阪瓦斯株式会社 , 日立金属株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 西部瓦斯株式会社
发明人： NOZAKI HIDEO , KOMIYA MICHITSUGU , YAGI SHUICHI , HIGUCHI HIROSHI , KOSAKA MASAMICHI , TOYODA YASUHIRO
IPC分类号： F16L19/08 , F16L21/08
摘要： PROBLEM TO BE SOLVED: To provide an exchange joint for quickly joining an existing pipe such as a gas conduit to a renewal pipe formed of a thermoplastic resin such as polyethylene and pulled therein.
SOLUTION: The exchange joint 1 comprises a joint body 2 covered with a cover resin 3 and having a first socket 4a for receiving a steel pipe (the existing pipe 21) via a packing 12a and a second socket 4b for receiving the resin pipe 22 via a packing 12b, a first pressing ring 6a for compressing the packing 12a, and a second pressing ring for compressing the packing 12b. The packing 12b is held between a protecting ring 11 to be mounted between the resin pipe 22 and the second pressing ring 6b and a retainer 13b. The retainer 13b abuts on a lock ring 15 to be bitten into the resin pipe 22 and on an adapter 17 for moving toward the packing 12b a lock ring 15 being pressed by the engagement with the second pressing ring 6b. At the end of the adapter 17, a water tight packing 10c is provided to be put in close contact with the resin pipe 22.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种交换接头，用于将诸如气体管道的现有管道快速接合到由诸如聚乙烯的热塑性树脂形成的更新管线并被拉入其中。解决方案：交换接头1包括被覆盖树脂3覆盖的接头体2，并且具有用于经由衬垫12a接收钢管（现有管21）的第一插座4a和用于接收树脂的第二插座4b 管22通过包装12b，用于压缩包装12a的第一按压环6a和用于压缩包装12b的第二按压环。包装12b保持在要安装在树脂管22和第二加压环6b之间的保护环11和保持器13b之间。保持器13b抵靠在锁定环15上，以被咬入树脂管22和适配器17，以便朝向密封件12b移动，通过与第二按压环6b的接合而被按压的锁定环15。在适配器17的末端，设置防水密封件10c以与树脂管22紧密接触。版权所有：（C）2006，JPO＆NCIPI

4. 发明专利

JP2005155706A Branch joint 审中-公开
标题翻译：分支接头
公开(公告)号：JP2005155706A
公开(公告)日：2005-06-16
申请号：JP2003392307
申请日：2003-11-21
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NOZAKI HIDEO , SATO MASAYOSHI
IPC分类号： F16L41/06
摘要： PROBLEM TO BE SOLVED: To provide a branch joint having satisfactory operation property in a narrow place and having excellent airtightness.
SOLUTION: The branch joint 3 is provided with an upper side main body 5 and a lower side main body 6 tightened on an outer peripheral face of an original pipe 1. The lower side main body 6 has a branched part 64 which is communicated with the original pipe 1 and whose end part is sealed by a detachable cap 8 and a branch pipe receiving part 65 extending from the branched part 64 in the direction in which it crosses the original pipe 1. A hole saw 7 driven upward is mounted inside the branched part 64. A fire-resistant packing 93 adhering closely to the original pipe 1 is fitted in the lower side main body 6. The branched part 64 and the hole saw 7 and the branched part 64 and the cap 8 are sealed by an O-ring 91 and a metal seal 92.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供在狭窄的地方具有令人满意的操作性能并具有优异的气密性的分支接头。解决方案：分支接头3设置有紧固在原管1的外周面上的上侧主体5和下侧主体6.下侧主体6具有分支部64，与原管1连通，其端部由可拆卸盖8和从分支部64沿着与原管1交叉的方向延伸的分支管容纳部65密封。上部驱动的孔锯7安装在分支部分64内部。紧靠原管1的耐火填料93装配在下侧主体6中。分支部分64和孔锯7以及分支部分64和盖8被 O形圈91和金属密封件92.版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2004183793A Relay joint for electric fusion joint 审中-公开
公开(公告)号：JP2004183793A
公开(公告)日：2004-07-02
申请号：JP2002351835
申请日：2002-12-03
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NOZAKI HIDEO , IWAYOSHI RYOICHI
IPC分类号： F16L19/08 , F16L47/00
摘要： PROBLEM TO BE SOLVED: To provide a relay joint for an electric fusion joint having a short size, and capable of using an electric fusion joint of an existing size. SOLUTION: This relay joint used in connecting a metallic pipe M and a resin pipe P made of a thermoplastic resin by using an electric fusion joint 4, comprises a joint main body 34 obtained by forming a cylindrical outer main body 40 made out of thermoplastic resin on an outer side of a cylindrical metallic inner main body 38, a cylindrical metallic nut member 36 mounted on one end of the joint main body, and screwed to the inner main body to be advanced and retracted, a fixing means 56 for fixing the metallic pipe inserted into the joint body through a nut member, by fastening the nut member, and a seal means 60 for sealing the metallic pipe in fastening the nut member. COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JP2004157058A Riser tube for gas meter connection 有权
公开(公告)号：JP2004157058A
公开(公告)日：2004-06-03
申请号：JP2002324698
申请日：2002-11-08
申请人： Hitachi Metals Ltd , Tokyo Gas Co Ltd , 日立金属株式会社 , 東京瓦斯株式会社
发明人： MINAMI TOMOYUKI , SATO FUMITAKA , NOZAKI HIDEO
IPC分类号： G01F3/22 , F16L15/00 , F16L57/00 , G01F1/00 , G01F15/18
摘要： PROBLEM TO BE SOLVED: To provide a riser tube for gas meter connection having a simple structure and excellent insulation performance, capable of coping with a large caliber gas pipe.
SOLUTION: This riser tube has a substrate 11 having an internal thread part 11b having one end where a resin coated steel pipe 21 is screwed, a resin cylindrical body 12 mounted on the circumferential face of the substrate 11 and having a fusion part 12a with a PE pipe 20, a protective sleeve 15 mounted on one end side, a protective cover 14 covering the circumferential face of the resin cylindrical body 12 and comprising a material having stronger weather resistance than the resin, and a caulking ring 13 inserted into the inner circumferential side of the protective cover 14.
COPYRIGHT: (C)2004,JPO

7. 发明专利

JP2004205485A Piping system in periphery of gas meter 审中-公开
公开(公告)号：JP2004205485A
公开(公告)日：2004-07-22
申请号：JP2003148156
申请日：2003-05-26
申请人： Hitachi Metals Ltd , Tokyo Gas Co Ltd , 日立金属株式会社 , 東京瓦斯株式会社
发明人： MINAMI TOMOYUKI , SATO FUMITAKA , NOZAKI HIDEO
IPC分类号： G01F3/22 , G01F1/00 , G01F15/18
摘要： PROBLEM TO BE SOLVED: To reduce the number of piping members and a screw-in frequency around a gas meter.
SOLUTION: In this piping system in the periphery of the gas meter, a gas cock 13 and a header 15 are attached to a upper end part of a gas meter inlet pipe 2 and a gas meter outlet pipe 3, an opening and closing handle 13A is attached to an upper part in a meter inlet pipe 2 side, a connection inlet 13B to the meter inlet pipe 2 is provided in its lower part, a connection outlet 13C is formed horizontally, and the gas cock 13 for a main cock assembled with a cock 13D is attached in its inside. A branch port 15A or a pressure inspection port 15C is provided in an upper part in a meter outlet pipe 3 side, a connection outlet 15B to the meter outlet pipe 3 is formed in a lower face, the header 15 is attached to have a connection inlet 15D horizontally or the pressure inspection port 15C in parallel, a flow-in side joint 14 and a nut 8 are combined in the connection outlet 13C, a flow-out side joint 16 and a nut 9 are combined in the connection inlet 15D, and gas meter bases 10, 11 are engaged therewith to attach the gas meter.
COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2005147243A Flange joint body for valve pit 有权
标题翻译：法兰接合阀门阀
公开(公告)号：JP2005147243A
公开(公告)日：2005-06-09
申请号：JP2003384545
申请日：2003-11-14
申请人： Hitachi Metals Ltd , Tokyo Gas Co Ltd , 日立金属株式会社 , 東京瓦斯株式会社
发明人： NOZAKI HIDEO , INOMATA WATARU , SATAKE YUKINOBU , KOBAYASHI MASUMI
IPC分类号： F16L23/036
摘要： PROBLEM TO BE SOLVED: To provide a flange joint body capable of restraining deformation of the flange joint body when a large displacement or load is applied due to an earthquake or the like and facilitating execution of works. SOLUTION: This flange joint body is jointed by a plurality of tightening members 7a, 7b including bolts 71a, 71b, and nuts 72a, 72b in which an annular tube flange portion 31 formed at an end portion of a conduit 3 disposed in a pit 2 through a gasket 6 and an annular valve flange portion 41 formed at the edge portion of the valve 4 are coaxially disposed. This includes a plurality of reinforcing fixtures 51a, 51b, 51c which surround the tube flange portion 31 and the valve flange portion 41 between the tightening members 7a, 7b and have an inner periphery surface which is brought into contact with the edge surface of the valve flange portion 41, and bolts 8a, 8b, 8c which are screwed with auxiliary fixtures 51a, 51b, 51c on more inner periphery side than the tightening members 7a, 7b and brought into contact with the tube flange portion 31. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种法兰接头体，当由于地震等施加大的位移或负载而能够抑制法兰接头体的变形并且便于执行工作时。解决方案：该凸缘接合体由包括螺栓71a，71b和螺母72a，72b的多个紧固构件7a，7b连接，螺母72a，71b形成在管道3的端部上形成的环形管凸缘部31，通过垫圈6的凹坑2和形成在阀4的边缘部分处的环形阀凸缘部分41同轴地设置。其包括围绕管凸缘部31的多个加强固定件51a，51b，51c和紧固构件7a，7b之间的阀凸缘部41，并且具有与阀的边缘表面接触的内周面凸缘部分41以及在紧固件7a，7b的内周侧与辅助固定件51a，51b，51c螺纹连接并与管凸缘部分31接触的螺栓8a，8b，8c。版权所有：（C）2005，JPO＆NCIPI

9. 发明专利

JP2001141542A GAS METER MOUNTING DEVICE AND BEND JOINT FOR CONNECTING GAS METER 失效
公开(公告)号：JP2001141542A
公开(公告)日：2001-05-25
申请号：JP2000230838
申请日：2000-07-31
申请人： HITACHI METALS LTD
发明人： NOZAKI HIDEO
IPC分类号： G01F3/22 , F16L3/22 , F16L3/223 , F16L43/00 , G01F1/00 , G01F15/18
摘要： PROBLEM TO BE SOLVED: To provide a gas meter mounting device complying with a change of a distance between a gas meter and a house side wall or an interval between inner tubes on the outside and the inside of a tower. SOLUTION: This gas meter is provided with an inlet bend joint 22 connected to a gas inlet 12A in the upper part of the gas meter 12, an outlet bend joint 24 connected to a gas outlet 12B in the upper part of the gas meter, a mounting base board 26 mounted and fixed to a fixed base 8 in the house side wall and the like, position adjusting oblong holes 28A, 28B arranged in the mounting base board along the direction orthogonally crossing the fixed base, a bend fixed board 30 arranged by means of position adjusting bolts 44A, 44B passed through the position adjusting oblong holes and positioned adjustably, two housing recess parts 40A, 40B arranged in the bend fixed board for housing the inlet bend joint and the outlet bend joint respectively, and fixing screws 34A, 34B fixing the inlet bend joint and the outlet bend joint respectively housed in the housing recess parts. In this way, adjustment for a change in a distance between the gas meter and the house side wall or an interval between the inside tubes on the outside and the inside of the tower can be performed.

10. 发明专利

JP2000028056A JOINT FOR CONNECTING RESIN TUBE 失效
公开(公告)号：JP2000028056A
公开(公告)日：2000-01-25
申请号：JP19179098
申请日：1998-07-07
申请人： HITACHI METALS LTD
发明人： NOZAKI HIDEO
IPC分类号： F16L21/04 , F16L23/16
摘要： PROBLEM TO BE SOLVED: To surely realize the connection without damaging the sealing effect by contracting a lock ring through the engagement of tapered surfaces of an outer surface of the lock ring and an inner surface of a collar ring with each other. SOLUTION: The rigidity against the contraction of a tube 1 is increased by inserting a cylindrical stiffener 20 of the outside diameter close to the inside diameter of the tube 1 from an end part of the polyethylene tube 1, and a lock ring 30 having a notch in a part of the circumference is fitted to the outer surface of the tube end part. The polyethylene tube 1 is inserted into a joint body 10 from the inside of a socket 13 of the joint body, a metallic collar ring 40 and a seal packing 50 are fitted to the inside of the socket 13, a press ring 17 is tightened by bolts 12 to compress the packing 50 and complete the connection to the polyethylene tube 1. The lock ring 30 is engaged with the collar ring 30, an inner circumferential surface of the lock ring 30 is contracted, a tooth on the inner circumferential surface is bitten into an outer circumferential surface of the tube to firmly hold the tube, the tube is prevented from being detached, and the sealing effect can surely be achieved.

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