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1. 发明专利

JP2005220986A Branch joint 有权
标题翻译：分支接头
公开(公告)号：JP2005220986A
公开(公告)日：2005-08-18
申请号：JP2004029022
申请日：2004-02-05
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： NAGAMI AKIO , TSUTSUMI CHIAKI , SATAKE YUKINOBU , SAKASAI RYUJI
IPC分类号： F16L41/06
摘要： PROBLEM TO BE SOLVED: To provide a branch joint capable of raising the jointing strength between a main pipe and a joint with no cracking on the main pipe for improved construction property.
SOLUTION: A branch joint 1 comprises a first sleeve piece 2 comprising a branching part 23 to which a branch pipe is connected, and a second sleeve piece 3 which is fastened to the outer peripheral surface of a main pipe 10 consisting of an iron pipe along with the first sleeve piece 2. A steel grid 95 of amorphous particles comprising the material harder than the main pipe 10 is sandwiched between the second sleeve piece 3 and the main pipe 10.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够提高主管和接头之间的接合强度的分支接头，在主管上不发生开裂，从而改善施工性能。解决方案：分支接头1包括第一套筒件2，第一套筒件2包括连接有分支管的分支部23和紧固到主管10的外周面的第二套筒件3，该主管10由铁管与第一套筒件2一起。包括比主管10更硬的材料的无定形颗粒的钢格栅95夹在第二套筒件3和主管10之间。版权所有（C）2005， JPO＆NCIPI

2. 发明专利

JP2009002455A Insertion type pipe joint 有权
标题翻译：插入式管接头
公开(公告)号：JP2009002455A
公开(公告)日：2009-01-08
申请号：JP2007164992
申请日：2007-06-22
申请人： Hitachi Metals Ltd , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , 日立金属株式会社
发明人： ITANI TAKAAKI , NAGAMI AKIO , NOMURA KOSEI , OKAZAKI YOSHIRO
IPC分类号： F16L37/12 , F16L21/08
摘要： PROBLEM TO BE SOLVED: To enable a person to easily check an insertion state of predetermined length of a connecting pipe. SOLUTION: In an insertion type pipe joint wherein an end portion of the connecting pipe 11 is inserted in a socket portion 12 of a joint body 2, a check hole 18 is provided in the joint body 2 so as to penetrate inside and outside. A marking 21 exposing in the check hole when the connecting pipe 11 is inserted in the joint body 2 by a predetermined length, is marked on an outer peripheral surface of the connecting pipe 11. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了使人能够容易地检查连接管的预定长度的插入状态。解决方案：在连接管11的端部插入接头体2的插座部分12的插入式管接头中，在接头体2中设置有检查孔18以便穿透到接头本体2的内部，外。在连接管11的连接管11的外周面上标记有将连接管11插入接头体2中的预定孔中露出的标记21。（C）2009，JPO＆INPIT

3. 发明专利

JP2008190588A Pipe joint 有权
标题翻译：管接头
公开(公告)号：JP2008190588A
公开(公告)日：2008-08-21
申请号：JP2007024329
申请日：2007-02-02
申请人： Hitachi Metals Ltd , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , 日立金属株式会社
发明人： ITANI TAKAAKI , NAGAMI AKIO , NOMURA KOSEI , OKAZAKI YOSHIRO
IPC分类号： F16L37/12
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint having improved constructing efficiency and reliability for allowing easy visual check of the inserted condition of a connected pipe without the need for marking work for an allowance of insertion into the connected pipe while simply inserting the connected pipe in a sealed and nonslip manner with a single operation.
SOLUTION: In a joint body 2 having a socket portion 12, there are stored and arranged an nonslip member 3 which is engaged with the outer peripheral face of the connected pipe 11, an elastic member 4 which thrusts and energizes the nonslip member 3 toward the inner periphery of the socket portion 12, a first seal ring 5 which has close contact with the outer peripheral face of the connected pipe 11, and a perspective cylinder body 6 which covers the outer periphery of the end of the connected pipe 11. A check hole 18 is provided in a penetrating fashion at at least one position on the circumference of the joint body 2 corresponding to the outer periphery of the perspective cylinder body 6. Between the front-end outer periphery of the perspective cylinder body 6 and the inner periphery of the joint body 2, a second seal ring 19 is arranged. On the rear-end inner periphery of the perspective cylinder body 6, the first seal ring 5 is arranged.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有改进的构造效率和可靠性的管接头，以便容易地目视检查连接管的插入状态，而不需要标记工作以允许插入连接的管中，同时简单地插入连接的管道采用密封和不通风的方式进行单次操作。解决方案：在具有插座部分12的接头体2中，存储和布置与连接的管11的外周面接合的非滑动构件3，弹性构件4推动并激励非滑动构件 3朝向插座部12的内周侧，与连接管11的外周面紧密接触的第一密封环5和覆盖连接管11的端部的外周的透视筒体6 在关节本体2的圆周上的至少一个位置处以与透视筒体6的外周对应的至少一个位置设置有检查孔18。在透视筒体6的前端外周和接头体2的内周，配置有第二密封环19。在透视筒体6的后端内周配置有第一密封环5。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2009002456A Insertion type pipe joint 有权
标题翻译：插入式管接头
公开(公告)号：JP2009002456A
公开(公告)日：2009-01-08
申请号：JP2007164993
申请日：2007-06-22
申请人： Hitachi Metals Ltd , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , 日立金属株式会社
发明人： ITANI TAKAAKI , NAGAMI AKIO , NOMURA KOSEI , OKAZAKI YOSHIRO
IPC分类号： F16L37/12 , F16L21/08
摘要： PROBLEM TO BE SOLVED: To carry out installation without damaging a seal ring at an end portion of a connecting pipe, to reduce an insertion load of the connecting pipe, and to improve sealing performance of the connecting pipe. SOLUTION: The insertion type pipe joint comprises the seal ring 5 stored in a joint body 2 and adhering closely to an outer peripheral surface of the connecting pipe 11, and a damage preventive sleeve 7 disposed in an inner diameter portion of the seal ring and externally fitting into a terminal of the connecting pipe 11. The damage preventive sleeve 7 is pressed in toward a deep side of the joint body at the terminal of the connecting pipe with the connecting pipe 11 is inserted to be predetermined length, and comes out from the seal ring 5. The seal ring 5 is formed in a shape having an annular seal projecting piece 5b elastically deforming. In a free state, an inner diameter of the seal projecting piece 5b is formed to be smaller dimensions than an outer diameter of the connecting pipe 11. The seal projecting piece 5b deforms to increase a diameter with coming out of the damage preventive sleeve 7, thereby adhering closely to the outer peripheral surface of the connecting pipe 11. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了在连接管的端部不损坏密封环的情况下进行安装，减少连接管的插入负荷，提高连接管的密封性。解决方案：插入式管接头包括密封环5，密封环5存储在接头体2中并紧密地附着在连接管11的外周表面上，防损套筒7设置在密封件的内径部分中环形并且外部装配到连接管11的端子中。防止连接管7在连接管的端子处被压入接头体的深度侧，连接管11插入预定长度，并且到达从密封环5出来。密封环5形成为具有弹性变形的环形密封突出片5b的形状。在自由状态下，密封突出片5b的内径形成为比连接管11的外径小的尺寸。密封突出片5b从防损坏套筒7出来时变形为增加直径，从而紧密地附着在连接管11的外周面上。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2008275005A Housing type pipe joint 审中-公开
标题翻译：住房类型管接头
公开(公告)号：JP2008275005A
公开(公告)日：2008-11-13
申请号：JP2007116460
申请日：2007-04-26
申请人： Hitachi Metals Ltd , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , 日立金属株式会社
发明人： NAGAMI AKIO , TOKU TAKASHI , INOUE MASACHIKA , OKAZAKI YOSHIRO
IPC分类号： F16L21/06 , F16L58/18
摘要： PROBLEM TO BE SOLVED: To provide a housing type pipe joint for allowing easy visual check of whether a pipe end anti-corrosive core is in a mounted condition or not.
SOLUTION: In the housing type pipe joint, a pair of housings 20, 20 are applied via a packing 23 onto the outer peripheries of pipe ends 24a, 25a of pipes 24, 25 to be joined to each other, between circumferential grooves 26, 27, and mutually opposed flanges 20d, 20d of the housings 20, 20 are fastened to each other with a bolt 21 and a nut 22. The pipe end anti-corrosive core 28 is mounted at both pipe ends 24a, 25a of the pipes 24, 25, and view windows 34 are provided in side walls 20b, 20c of the housings 20, 20 to view an outside cylinder portion 28c of the pipe end anti-corrosive core 28.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种容纳型管接头，用于容易地目视检查管端防锈芯是否处于安装状态。解决方案：在壳体型管接头中，一对壳体20,20经由衬垫23施加到管24,25的管端24a，25a的外周，以彼此接合，在周向槽壳体20,20的彼此相对的凸缘20d，20d用螺栓21和螺母22彼此紧固。管端防腐芯28安装在两端的两端24a，25a 在壳体20,20的侧壁20b，20c中设置管24,25和视窗34，以观察管端防锈芯28的外筒部28c。（C）2009年， JPO＆INPIT

6. 发明专利

JP2008190676A Pipe joint 有权
标题翻译：管接头
公开(公告)号：JP2008190676A
公开(公告)日：2008-08-21
申请号：JP2007027729
申请日：2007-02-07
申请人： Hitachi Metals Ltd , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , 日立金属株式会社
发明人： ITANI TAKAAKI , NAGAMI AKIO , NOMURA KOSEI , OKAZAKI YOSHIRO
IPC分类号： F16L37/02
CPC分类号： F16L37/0925 , F16L2201/10
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint capable of being connected to a connection pipe with a single operation while eliminating pipe-end marking work.
SOLUTION: The pipe joint comprises a joint body 2 having a socket 21 into which the connection pipe 10 is inserted from one end side, a seal member 4 to be compressed between the inner peripheral face of the joint body 2 and the outer peripheral face of the connection pipe 10 when the connection pipe 10 is inserted up to the corner, a protecting sleeve 5 to be pushed into the front end of the connection pipe 10 at its position apart from the seal member 4, and an insertion check member 3 supported movably toward the connection pipe 10 by the joint body 2. The protecting sleeve 5 has a holding portion 51 for receiving a front end 32 of the insertion check member 3 when pushed thereinto.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在消除管端标记工作的同时以单一操作连接到连接管的管接头。管接头包括：接头本体2，其具有从连接管10从一端侧插入的插座21，在接头本体2的内周面与外部接合体2之间被压缩的密封部件4 连接管10插入到角部时的连接管10的周面，在与密封部件4隔开的位置处被推入连接管10的前端的保护套5，以及插入检查部件 3通过接头体2可移动地朝着连接管10移动。保护套筒5具有保持部51，用于当被插入时容纳插入检查部件3的前端32。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2008190587A Pipe joint 有权
标题翻译：管接头
公开(公告)号：JP2008190587A
公开(公告)日：2008-08-21
申请号：JP2007024328
申请日：2007-02-02
申请人： Hitachi Metals Ltd , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , 日立金属株式会社
发明人： ITANI TAKAAKI , NAGAMI AKIO , NOMURA KOSEI , OKAZAKI YOSHIRO
IPC分类号： F16L37/08 , F16L21/08
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint having an improved constructing efficiency and reliability for allowing easy visual check of the inserted condition of a connected pipe without the need for marking work for an allowance of insertion into the connected pipe while simply inserting the connected pipe in a sealed and nonslip manner with a single operation. SOLUTION: In a joint body 2 having a socket portion 12, there are stored and arranged an nonslip member 3 which is engaged with the outer peripheral face of the connected pipe 11, an elastic member 4 which thrusts and energizes the anti-come-off member 3 toward the inner periphery of the socket portion 12, a first seal ring 5 which has close contact with the outer peripheral face of the connected pipe 11, and a perspective cylinder body 6 which covers the outer periphery of the end of the connected pipe 11, in sequence from the socket portion 12 to the inside corner of the joint body. On the inner periphery of the socket portion 12, a tapered face 13 is formed which applies radially inward moving operation to the anti-come-off member with the contact of the nonslip member 3. A check hole 18 is provided in a penetration fashion at at least one position on the circumference of the joint body 2 corresponding to the outer periphery of the perspective cylinder body 6. Between the outer periphery of the perspective cylinder body 6 and the inner periphery of the joint body 2, a second seal ring 19 and a third seal ring 20 are arranged for sealing. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有改进的构造效率和可靠性的管接头，用于容易地目视检查连接管的插入状态，而不需要标记工作以允许插入连接的管中，同时简单地以单一操作将连接的管插入密封和不通风的方式。解决方案：在具有插座部分12的接头体2中，存储和布置与连接管11的外周面接合的非滑动构件3，弹性构件4，脱落构件3朝向插座部12的内周侧，与连接管11的外周面紧密接触的第一密封环5和覆盖连接管11的外周面的透视筒体6 连接的管道11，从插座部分12到接合体的内角。在插座部分12的内周上，形成锥形面13，该锥形面13通过非滑动构件3的接触将径向向内移动的操作施加到防脱落构件。检查孔18以穿透方式设置在与透视筒体6的外周对应的接头本体2的圆周上的至少一个位置。在透视筒体6的外周与接头体2的内周之间，具有第二密封环19和第三密封环20被布置用于密封。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2008138694A Pipe joint 有权
标题翻译：管接头
公开(公告)号：JP2008138694A
公开(公告)日：2008-06-19
申请号：JP2006322906
申请日：2006-11-30
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： ITANI TAKAAKI , NAGAMI AKIO
IPC分类号： F16L37/12
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint by which a jointed pipe is prevented from coming off. SOLUTION: The pipe joint is provided with a joint body 2 incorporating a seal member 4, a nut-like body 3, a movable member 5, and an elastic member 7. One end of the nut-like body 3 is fixed to the joint body 2, and a connection pipe 11 is inserted from the other end into the nut-like body 3. The movable member 5 is provided circumferentially with a plurality of come-off-stoppers 6 which are pushed by an expansion part 12 of the pipe 11 in the process of insertion operation of the connection pipe 11 having the expansion part 12 in the pipe end. The elastic member 7 is compressed in the insertion work. When the connection pipe 11 is inserted deep into the joint body 2, the movable member 5 is pushed back to the initial position by the restoring force of the elastic member 7, and as a result, the come-off-stoppers 6 is fit in the expansion part 12 in the pipe. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供防止接合管脱落的管接头。管接头设置有具有密封部件4，螺母状体3，可动部件5以及弹性部件7的接头本体2.螺母状体3的一端固定并且连接管11从另一端插入螺母状体3中。可动件5沿圆周方向设有多个止动止动件6，它们由膨胀部分12推动在管端部具有膨胀部12的连接管11的插入操作的过程中，管11。弹性构件7在插入作业中被压缩。当连接管11被插入到接合体2的深处时，通过弹性部件7的恢复力将可动部件5推回到初始位置，结果，止动器6被安装在膨胀部分12在管道中。版权所有（C）2008，JPO＆INPIT

9. 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

10. 发明专利

JP2008190648A Pipe joint 有权
标题翻译：管接头
公开(公告)号：JP2008190648A
公开(公告)日：2008-08-21
申请号：JP2007026645
申请日：2007-02-06
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： ITANI TAKAAKI , NAGAMI AKIO , NOMURA KOSEI , OKAZAKI YOSHIRO
IPC分类号： F16L37/12
摘要： PROBLEM TO BE SOLVED: To provide a pipe joint capable of being connected to a connection pipe simply inserted thereinto with a single operation in a sealed and anti-come-off fashion while eliminating work for marking an insertion allowance on the connection pipe and allowing easy visual check of the inserted condition of the connection pipe, and superior in constructing efficiency and reliability.
SOLUTION: A joint body 2 having a socket portion 12 and a check hole 18 stores a nonslip member 3 for engaging with the outer peripheral face of the connection pipe 11, an elastic member 4 for thrusting and energizing the nonslip member 3 toward the inner periphery of the socket portion 12, an indicative and movable spacer 6 arranged at the inside position of the check hole 18, a spacer positioning member 7 for positioning and holding the indicative and movable spacer 6 at the inside position of the check hole 18, and a seal ring 5 having close contact with the outer peripheral face of the connection pipe 11, in sequence from the socket portion 12 toward the inside corner of the joint body. The spacer positioning member 7 is pushed into the inside corner of the joint body 2 with the insertion of the connection pipe 11. The indicative and movable spacer 6 is moved from the inside position of the check hole 18 back to the inside corner of the joint body with the push-in operation so that it cannot be viewed from the check hole 18.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种管接头，其能够以简单地插入其中的连接管连接到具有密封和防脱落方式的单次操作，同时消除用于在连接管上标记插入余量的工作并且允许容易地目视检查连接管的插入状态，并且在构造效率和可靠性方面优异。解决方案：具有插座部分12和检查孔18的接合体2存储用于与连接管11的外周面接合的非滑动构件3，弹性构件4用于将非滑动构件3朝向插座部分12的内周，布置在检查孔18的内部位置的指示性且可移动的间隔件6，用于将指示性活动隔离物6定位并保持在止回孔18的内部位置的间隔件定位构件7 以及与连接管11的外周面紧密接触的密封环5，从插座部12向接头体的内侧依次配置。间隔件定位构件7通过连接管11的插入被推入接头本体2的内部角部。指示性活动隔离件6从止回孔18的内部位置移回到接头的内部角部本体具有推入操作，从而不能从检查孔18观察。版权所有（C）2008，JPO＆INPIT

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