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1. 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

2. 发明专利

JP2009127739A Gas supply pipe renewing technique 有权
标题翻译：气体供应管再生技术
公开(公告)号：JP2009127739A
公开(公告)日：2009-06-11
申请号：JP2007303227
申请日：2007-11-22
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： ARAKI SATORU , NAKAMURA TAKURO
IPC分类号： F16L55/00 , F16L1/024 , F16L55/12
摘要： PROBLEM TO BE SOLVED: To provide a gas supply pipe renewing technique for greatly reducing mandays required to rejoin a gas supply pipe. SOLUTION: The renewing technique comprises a step of connecting a new gas supply pipe (a second supply pipe) 2 to a combination joint 3 which is mounted on the way of an existing gas supply pipe (a first supply pipe) 1 and has a bag insertion hole 30 in the skewing direction of the gas supply pipe, a step of forming a hole in the existing gas supply pipe 1 inside the combination joint 30, a step of inserting a first flow path interrupting bag 4a from the bag insertion hole 30 into a first predetermined position inside the existing gas supply pipe 1, a step of inserting a second flow path interrupting bag 4b from the bag insertion hole 30 into a second predetermined position nearer the combination joint 3 than the first predetermined position, a step of cutting the gas supply pipe 1 between the first predetermined position and the second predetermined position, and a step of collecting the first flow path interrupting bag 4a and the second flow path interrupting bag 4b from the gas supply pipe 1. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于大大减少重新加入气体供应管所需的功率的气体供给管更新技术。解决方案：更新技术包括将新的气体供给管（第二供给管）2连接到安装在现有的供气管（第一供给管）1）的路径上的组合接头3的步骤，以及在气体供给管的倾斜方向上具有袋插入孔30，在组合接头30内的现有气体供给管1内形成孔的工序，从袋插入口插入第一流路中断袋4a的步骤孔30进入现有气体供给管1内的第一预定位置，将第二流路中断袋4b从袋插入孔30插入比第一预定位置更靠近组合接头3的第二预定位置的步骤，在第一预定位置和第二预定位置之间切割气体供给管1，并且从气体s收集第一流路中断袋4a和第二流路中断袋4b的步骤（C）2009，JPO＆INPIT

3. 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

4. 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

5. 发明专利

JP2000334499A METHOD FOR DEHYDRATING SLUDGE AND BELT PRESS DEHYDRATOR 失效
公开(公告)号：JP2000334499A
公开(公告)日：2000-12-05
申请号：JP14948999
申请日：1999-05-28
申请人： HITACHI METALS LTD
发明人： NAKAMURA TAKURO , OCHIAI KAZUNARI
IPC分类号： C02F11/12
摘要： PROBLEM TO BE SOLVED: To attain low water content by controlling the pressure in a 1st stage to equal to or below a specific value or the pressure in a 2nd stage to equal to or below a specific value at the time of dehydrating by pressurizing sludge having a specific organic ratio successively with a plurality of stages of pressure increasing toward the last stage. SOLUTION: The sludge supplied from a sludge concentrating tank 1 and having >=60% organic ratio is mixed with a flocculant dissolved in a flocculant dissolving device 2 using a mixer and a sludge mixing tank 4 and is dehydrated in a gravity dehydrating zone 5. The sludge after gravity dehydration is held between upper and under filter cloths in a pressurizing zone 6a of the belt press dehydrator 6 and successively dehydrated with 4 stages of the pressure which is increased toward the latter stage. In this process, the pressure in the 1st stage is controlled to

6. 发明专利

JP2003112294A HIGH-PRESSURE DEHYDRATOR 审中-公开
公开(公告)号：JP2003112294A
公开(公告)日：2003-04-15
申请号：JP2001307094
申请日：2001-10-03
申请人： HITACHI METALS LTD
发明人： NAKAMURA TAKURO
IPC分类号： B01D33/04 , B30B9/22 , B30B9/24 , C02F11/12
摘要： PROBLEM TO BE SOLVED: To provide a high-pressure dehydrator which can reduce the number of parts and the weight thereof by disposing a plurality of stages of fixed plates and pressing plates in a longitudinal direction, and using the fixed plates as supporting boards of the next stage. SOLUTION: This high-pressure dehydrator comprises two turning endless filter cloths 2 and 3, a plurality of stages of pressing units 4, 5, 6 and 7, and a plurality of rollers 8, 9 and 10. Each pressing unit has a fixed board and a supporting board facing each other with a space therebetween and a pressing means supported by the supporting board in the space, and the two filter cloths are wound via the rollers so as to pass through the space of each pressing unit while holding mud therebetween. The supporting board is also used as the fixed board of the pressing unit of the adjacent stage.

7. 发明专利

JP2003112199A HIGH PRESSURE TYPE DEWATERER 审中-公开
公开(公告)号：JP2003112199A
公开(公告)日：2003-04-15
申请号：JP2001307095
申请日：2001-10-03
申请人： HITACHI METALS LTD
发明人： NAKAMURA TAKURO
IPC分类号： B01D33/04 , B30B9/22 , B30B9/24 , C02F11/12
摘要： PROBLEM TO BE SOLVED: To provide a high pressure type dewaterer which can completely scrape off compressed sludge from a filter cloth, prevent clogging caused by the adhesion of sludge to the filter cloth, and smoothly operate dewatering. SOLUTION: This high pressure type dewaterer has a pair of the endless filter cloths, pressurization parts 4, 5, 6, and 7, traveling rollers, and separation rollers. The pressurization part has a fixed plate and a pressurization means which are arranged to face each other through a clearance. The filter cloths as a pair, for holding sludge between them, are turned around through the traveling rollers to pass through their clearance and separated from each other by the separation rollers 11 and 12. Air ejection mechanisms 16 and 17 ejecting compressed air toward the surfaces opposite to the sludge holding surfaces of the filter cloths are arranged between the pressurization parts and the separation rollers.

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