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1. 发明专利

JP2008014389A Tool for conduit blockage and renewal method of supply pipe 有权
标题翻译：用于管道堵塞的工具和供应管的更新方法
公开(公告)号：JP2008014389A
公开(公告)日：2008-01-24
申请号：JP2006185658
申请日：2006-07-05
申请人： Hitachi Metals Ltd , Hokkaido Gas Co Ltd , 北海道瓦斯株式会社 , 日立金属株式会社
发明人： TSUTSUMI CHIAKI , ARAKI SATORU , OZEKI SHINJI , YUASA MASAYOSHI , YAMAMOTO HIROSHI , NAKAMURA TAKURO
IPC分类号： F16L55/10
摘要： PROBLEM TO BE SOLVED: To provide a tool for conduit blockage with a structure simpler than conventional one. SOLUTION: The tool has a blocking member 5 having a pair of elastic spherical members 51a, 51b of a closed cell structure connected at a predetermined interval by a wire 52 which are fit into a first supply pipe 1 from an opposite direction of the flowing direction of gas where the gas flows and a flexible press-in member 6 for pressing the blocking member 5 into the supply pipe 1. Preferably, the elastic spherical members 51a, 51b are made of ethylene propylene rubber (EPDM) or polychloroprene rubber (CR). The press-in member 6 has a rod-like body 61 formed by a soft resin such as polyurethane and a sphere 62 formed by engineering plastic such as polyamide fixed at its distal end. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有比常规结构简单的结构的导管堵塞工具。解决方案：工具具有阻挡构件5，该阻挡构件5具有通过线52以预定间隔连接的一对弹性球形构件51a，51b，线52从与第一供给管1相反的方向配合气体流动的气体的流动方向和用于将阻塞构件5按压到供给管1中的柔性压入构件6.优选地，弹性球形构件51a，51b由乙丙橡胶（EPDM）或聚氯丁二烯橡胶（CR）。压入构件6具有由诸如聚氨酯的软树脂形成的杆状体61和通过在其远端固定的工程塑料如聚酰胺形成的球体62。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2008128480A Channel blocking tool and renewing method of gas supply pipe 有权
标题翻译：气体管道通道堵塞工具和再生方法
公开(公告)号：JP2008128480A
公开(公告)日：2008-06-05
申请号：JP2006317975
申请日：2006-11-27
申请人： Hitachi Metals Ltd , Hokkaido Gas Co Ltd , 北海道瓦斯株式会社 , 日立金属株式会社
发明人： TSUTSUMI CHIAKI , ARAKI SATORU , OZEKI SHINJI , YUASA MASAYOSHI , YAMAMOTO HIROSHI , NAKAMURA TAKURO
IPC分类号： F16L55/12
摘要： PROBLEM TO BE SOLVED: To provide a channel blocking tool having a further simplified structure with excellent operability. SOLUTION: The tool comprises an interruption bag 5a to be inserted into a supply pipe 1 for distributing gas, into which an expanding fluid is introduced; a first tube 6a with a built-in check valve 7a, connected at one end side with the interruption bag 5a and installed with a first coupler 8a at the other end side; a second tube 10 installed with a second coupler 9 to which the first coupler 8a is detachably inserted at one end side and connected with a pressurized fluid supply means at the other end side; and an operation tube 11 for separating the first coupler 8a from the second coupler 9 by operation from the other end side of the second tube 10. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有更好的可操作性的进一步简化的结构的通道阻挡工具。解决方案：该工具包括插入供给管1中的中间袋5a，用于分配引入膨胀流体的气体; 具有内置止回阀7a的第一管6a，其一端与中断袋5a连接，并且在另一端侧安装有第一联接器8a; 安装有第二联接器9的第二管10，第一联接器8a在一端侧可拆卸地插入该第二连接器9，并在另一端侧与加压流体供应装置连接; 以及操作管11，用于通过操作从第二管10的另一端侧将第一联接器8a与第二联接器9分离。（C）2008年，JPO和INPIT

3. 发明专利

JP2007332982A Passage blocking tool, and updating method of supply pipe 有权
标题翻译：通气堵塞工具，以及供应管道更新方法
公开(公告)号：JP2007332982A
公开(公告)日：2007-12-27
申请号：JP2006162060
申请日：2006-06-12
申请人： Hitachi Metals Ltd , Hokkaido Gas Co Ltd , 北海道瓦斯株式会社 , 日立金属株式会社
发明人： TSUTSUMI CHIAKI , ARAKI SATORU , OZEKI SHINJI , YUASA MASAYOSHI , YAMAMOTO HIROSHI , NAKAMURA TAKURO
IPC分类号： F16L55/12
摘要： PROBLEM TO BE SOLVED: To provide a passage blocking tool having structure more simplified than a conventional one. SOLUTION: The passage blocking tool is provided with: a multiunit tube 5 inserted into a first supply tube 1 through which gas flows from the direction reverse to the flowing direction of gas, having a closed one end; and a fluid feeding means under pressure attached to the other end of the multiunit tube 5. The multiunit 5 has a guide tube 51 having flexibility, an intermediate layer 52 to cover the surface, and a covering layer 53 covered on the intermediate layer 52. The covering layer 53 has a pair of notches 54a, 54b circumferentially stripped off at a predetermined interval in the axial direction. The notches 54a, 54b communicates with the inside of the guide tube 51. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种比常规结构更简单的结构的通道阻塞工具。解决方案：通道阻塞工具设置有：插入到第一供应管1中的多单元管5，气体从与气体的流动方向相反的方向流动，具有封闭的一端; 以及在单元管5的另一端附近的压力下的流体供给装置。多单元件5具有具有柔性的导向管51，覆盖该表面的中间层52和覆盖在中间层52上的覆盖层53。覆盖层53具有沿轴向以规定间隔周向剥离的一对切口54a，54b。凹口54a，54b与导管51的内部连通。版权所有（C）2008，JPO＆INPIT

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