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    • 1. 发明专利
    • Active pipe branch joint for synthetic resin pipe
    • 用于合成树脂管的主动管支管接头
    • JP2008002478A
    • 2008-01-10
    • JP2006169652
    • 2006-06-20
    • Hitachi Metals LtdSankoo:KkTokyo 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
    • INOUE YASUYUKIKANISAWA YUTAKAKATO AKISHIYOSHII TAKAAKIKASUGAI SHINJIHOSHINO MITSUYOSHIKOIDE TOSHIYUKIYAMAGISHI KOICHI
    • F16L41/06B23D21/02B26D3/16
    • PROBLEM TO BE SOLVED: To surely drill a main pipe during the drilling in a branch joint for a synthetic resin pipe for taking out the branch pipe by drilling at the portion offset from the axis of the main pipe. SOLUTION: This branch joint 1 comprises a saddle part 2 stretched over the synthetic resin main pipe, a branch pipe accepting part 3 for accepting the branch pipe, a drilled pipe part 4 connected to a drilling tool in which a cutter for drilling an air hole in the portion of the main pipe crossing the branch pipe accepting part by so moving forward it as to cross perpendicular to the main pipe at the position offset more than the axis of the main pipe is stored, and a structural body for sealing the inner peripheral surface of the saddle part to the main pipe. A main pipe support part 22 and a cutter storage groove part 24 in which the end of a cutter is stored when the cutter reaches the bottom of the drilled pipe part are formed in the drilled pipe part 4. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:在用于通过在从主管的轴线偏移的部分钻孔取出分支管的合成树脂管的分支接头中的钻孔期间,可靠地钻主管。 解决方案:该分支接头1包括在合成树脂主管上方延伸的鞍座部分2,用于接纳支管的支管接收部分3,连接到钻孔工具的钻管部分4,钻孔刀具 主管道部分中的空气孔与分支管容纳部分相交,在与主管的轴线偏离的位置处垂直于主管垂直地向前移动,并且用于密封的结构体 鞍部的内周面到主管。 主要管支撑部分22和切割器存储槽部分24,其中当切割器到达钻管部分的底部时存储切割器的端部,切割器存储槽部分24形成在钻管部分4中。(C) 2008年,日本特许厅和INPIT
    • 2. 发明专利
    • Method and apparatus for electrical fusion welding
    • 电熔焊接方法与装置
    • JP2003276088A
    • 2003-09-30
    • JP2002087665
    • 2002-03-27
    • Hitachi Metals LtdTokyo Gas Co Ltd日立金属株式会社東京瓦斯株式会社
    • INOUE YASUYUKIAKIYAMA SHINICHIYOSHII TAKAAKI
    • F16L47/02B29C65/34B29K105/22B29L23/00
    • B29C65/342B29C66/1122B29C66/5221B29C66/5229B29C66/52292B29C66/71B29C66/73921B29C66/91655B29C66/942B29C66/944B29C66/961B29C66/963B29C66/9672B29K2023/06B29K2023/18
    • PROBLEM TO BE SOLVED: To provide a method and an apparatus for controlling an electrical fusion welded joint which discriminates more delicately prevention of re-energization by executing such control that a joint having fusion weld performance and fusion weld quality allowing application of re-energization is subjected to re-energization and a joint having the fusion weld performance and the fusion weld quality adversely affected is inhibited from being subjected to re-energization to discriminate more delicately prevention of re-energization. SOLUTION: For a method for electrical fusion welding for feeding a current to the electrically fusion welded joint to which a bar code for recording an energizing parameter for energizing to the heating wire by burying the heating wire in a fusion weld part of the electrically fusion welded joint to be fusion welded to a resin pipe and an identifying code identifying the electrically fusion welded joint, is attached, the identifying code of the electrically fusion welded joint used in the past and energizing time fed to the joint are stored in a storing means. A joint identifying code of the bar code read by a read means in fusion welding operation and the joint identifying code used in the past which is stored in the storing means are compared by a duplication detecting means to verify the duplication. For the duplicated joint, the energizing time used in the past which is stored in the storing means is discriminated by a discriminating means and quality of re-energization is displayed outside to provide the control method and the electrically fusion welding apparatus. COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种控制电焊接头的方法和装置,其通过执行这样的控制来区分更精细地防止再通电,即具有熔接性能和熔焊质量的接头允许应用re 再次通电,抑制熔接性和熔焊质量受到不利影响的接头不再进行再通电,从而更加细致地防止再通电。 解决方案:对于用于将电流馈送到电熔接头的电熔焊接方法,其中将用于记录用于激励加热丝的通电参数的条形码通过将加热丝埋入熔融焊接部的熔焊部分 将要融合焊接到树脂管的电熔接头和识别电熔接头的识别代码,将过去使用的电熔接头的识别代码和馈送到接头的通电时间存储在 存储装置。 通过复用检测装置比较通过熔接操作中的读取装置读取的条形码和存储在存储装置中的过去使用的联合识别码的联合识别码,以验证复制。 对于复制关节,存储在存储装置中的过去使用的通电时间由鉴别装置识别,再次通电的质量被显示在外部以提供控制方法和电熔焊接装置。 版权所有(C)2003,JPO
    • 10. 发明专利
    • POWER SUPPLY CONTROL DEVICE FOR RESIN JOINT
    • JP2002347121A
    • 2002-12-04
    • JP2001153134
    • 2001-05-22
    • TOKYO GAS CO LTDHITACHI METALS LTD
    • AKIYAMA SHINICHIMINAMI TOMOYUKIYOSHII TAKAAKIINOUE YASUYUKI
    • F16L47/02B29C65/34B29L23/00
    • PROBLEM TO BE SOLVED: To provide a power supply control device for a resin joint capable of preventing occurrence of a thermal welding failure by detecting an abnormality in a temperature sensor by providing two temperature sensors. SOLUTION: The power supply control device for the rein joint thermally welds resin pipe members 2A, 2B by supplying controlled power to a heating heater 6 arranged inside the resin joint 4. The device is provided with a power supply section 22 for supplying power the heating heater, a predetermined current supplying time storage section 24 for previously storing the power supply information regarding the power supply hour corresponding to temperature, a first and a second two temperature sensors 28, 29 for detecting temperature, a comparing section 33 for comparing detected values obtained by the first and the second temperature sensors, and a thermally weld controlling section 26 for controlling power supply to the heating heater based on the comparison result from the comparing section, a detected value obtained by either one of the first or second temperature sensor and the power supplying hour stored in the predetermined current supplying time storage section. In this way, by providing two temperature sensors to detect temperature difference between them, the abnormality in the temperature sensors is detected to prevent the occurrence of a thermal welding failure in advance.