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1. 发明专利

JP2001289388A METHOD OF JOINING ELECTROFUSION JOINT 失效
公开(公告)号：JP2001289388A
公开(公告)日：2001-10-19
申请号：JP2000107517
申请日：2000-04-10
申请人： OSAKA GAS CO LTD , MITSUBISHI KAGAKU SANSHI CORP , EF TECHNO KK
发明人： IGAWA KAZUHISA , HIGUCHI HIROSHI , NAGASE SADAO , YOSHIDA TERUMI , KUMAGAI MASARU
IPC分类号： F16L47/02 , B29C65/34 , C08L23/26 , C08L101/06
摘要： PROBLEM TO BE SOLVED: To provide a method of surely joining an electrofusion joint to a resin pipe in a fused condition while saving total consuming energy. SOLUTION: In the method of joining the electrofusion joint, when a thermoplastic resin pipe is bonded to a portion, in which a heating element is embedded, of a short-cylindrical thermoplastic resin electrofusion joint having the embedded heating element, the voltage on and the current in the heating element to be electrified are gradually reduced after about 30% of a total electrifying time for the heating element passed, to keep the temperature of the heating element constant. The above purpose is thus attained.

2. 发明专利

JP2001082667A ELECTRO-FUSION COUPLING 失效
公开(公告)号：JP2001082667A
公开(公告)日：2001-03-30
申请号：JP25974999
申请日：1999-09-14
申请人： OSAKA GAS CO LTD , MITSUBISHI KAGAKU SANSHI CORP
发明人： IGAWA KAZUHISA , HIGUCHI HIROSHI , NAGASE SADAO , ENDO MITSUNORI
IPC分类号： B29C65/34 , F16L47/02
摘要： PROBLEM TO BE SOLVED: To certainly and firmly connect even bridge thermoplastic resin excellent in heat resistance, durability and chemical resistance and to prevent leakage on a joined part. SOLUTION: A short cylindrical electrofusion coupling 1 an outer shell of which is constituted of bridge thermoplastic resin is constituted by burying a heating body 2 in a resin layer 3 at a point to which bridge thermoplastic resin pipes 5, 5 of an inner periphery of a short cylinder are connected and constituting the resin layer 3 in which this heating body 2 is buried of modified polyethylene copolymer resin having adhesivity and a resin component including an ethylene polymer and/or an ethylene copolymer.

3. 发明专利

JP2013210176A Heat supply system 有权
标题翻译：热供应系统
公开(公告)号：JP2013210176A
公开(公告)日：2013-10-10
申请号：JP2012082292
申请日：2012-03-30
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： KOMATSUBARA AKIRA , MURASE YUICHI , MOTOIKE MASUO , YAMAMOTO KAZUTO , IGAWA KAZUHISA , OUBI KEISUKE
IPC分类号： F24D3/08 , F24H1/00 , F24H1/14
摘要： PROBLEM TO BE SOLVED: To provide a heat supply system capable of enhancing thermal efficiency when reheating bath hot water.SOLUTION: A heat supply system has a heat source device 1, a terminal 2 for heating operating by obtaining heat from the heat source device 1, a heat medium circulation channel 3 connecting the heat source device 1 and the terminal 2 for heating, and a circuit 5 for reheating arranged in the heat medium circulation channel 3 so as to become parallel to the terminal 2 for reheating and reheating bath hot water. The system has a first operation mode carrying out reheating operation during the terminal 2 for heating is stopped and a second operation mode carrying out the reheating operation during the terminal 2 is stopped and making the temperature of a heat medium returning to heat source device 1 lower than that of the heat medium returning to the heat source device 1 in the first operation mode.
摘要翻译：要解决的问题：提供一种能够在再加热浴热水时提高热效率的供热系统。解决方案：供热系统具有热源装置1，通过从热源装置1获得热量进行加热操作的端子2 连接热源装置1和用于加热的端子2的热介质循环通道3和布置在热介质循环通道3中的再热回路5，以便平行于端子2再热和再加热浴热水。系统具有在终端2中进行再加热操作的第一操作模式，用于加热停止，并且停止在端子2期间执行再加热操作的第二操作模式，并使返回到热源装置1的热介质的温度降低比在第一操作模式中返回到热源装置1的热介质的温度要高。

4. 发明专利

JP2013053779A Gas heat source machine 有权
标题翻译：气体热源机
公开(公告)号：JP2013053779A
公开(公告)日：2013-03-21
申请号：JP2011190993
申请日：2011-09-01
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： OUBI KEISUKE , MURASE YUICHI , MOTOIKE MASUO , YAMAMOTO KAZUTO , IGAWA KAZUHISA , KOMATSUBARA AKIRA
IPC分类号： F24H1/10
摘要： PROBLEM TO BE SOLVED: To provide a gas heat source machine which can operate for a long time even if electric power from a commercial power source is cut off and electric power from an auxiliary power source of limited capacity is used instead.SOLUTION: A gas heat source machine 1 includes a blower fan 14 supplying oxygen-containing gas for combustion and a heat exchanger 12 heating fed water at a combustion section 11 including a gas burner 13, further includes a combustion control part 10 controlling a fuel gas supply amount and a blower fan rotational speed based upon an input relation index in response to a hot water supply amount and a hot water temperature which are requested, and usually receives electric power from an external AC power source 8. In a power cutoff state where electric power from the external AC power source 8 is cut off, the gas heat source machine further includes an auxiliary power supply receiving means 5 and an auxiliary power supply reception detection means of detecting an auxiliary power supply reception state and in an auxiliary power supply reception state, the combustion control part 10 controls combustion in the combustion section 11 within a power-saving input region in which an input relation index is satisfied and an electric power consumption by the blower fan 14 is small.
摘要翻译：要解决的问题：为了提供即使切断来自商用电源的电力并且可以使用来自有限容量的辅助电源的电力而能够长时间工作的气体热源机。解决方案：气体热源机1包括供给用于燃烧的含氧气体的鼓风机风扇14和在包括气体燃烧器13的燃烧部分11处加热供水的热交换器12，还包括控制燃烧控制部分10的燃烧控制部分10 燃料气体供给量和鼓风机风扇转速，其基于所请求的热水供给量和热水温度的输入关系指数，并且通常从外部交流电源8接收电力。在功率断开状态，其中来自外部交流电源8的电力被切断，气体热源机还包括辅助电源接收装置5和辅助电源接收检测装置，用于检测辅助电源接收状态和辅助电源接收状态电源接收状态，燃烧控制部10在输入r的省电输入区域内控制燃烧部11的燃烧励磁指数得到满足，并且鼓风机14的电力消耗小。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2008089072A Heat insulation tube 审中-公开
标题翻译：热绝缘管
公开(公告)号：JP2008089072A
公开(公告)日：2008-04-17
申请号：JP2006270218
申请日：2006-10-02
申请人： Osaka Gas Co Ltd , Shinwa Sangyo Co Ltd , 大阪瓦斯株式会社 , 新和産業株式会社
发明人： IGAWA KAZUHISA , HIRABAYASHI HIDEO
IPC分类号： F16L59/147
摘要： PROBLEM TO BE SOLVED: To obtain a heat insulation tube more excellent in heat insulation efficiency, which includes pipes through which hot and cold water pass for the purpose of cooling and heating.
SOLUTION: The water flow pipes 11, 12 are arranged in an adiabatic element 13. A plurality of portions of the water flow pipes 11, 12 along the outer peripheries are supported by a plurality of projections 14 inwardly projecting from the adiabatic element. Air layers 15 are formed between the adjacent projections 14, 14 along the outer peripheries of the water flow pipes 11, 12.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了获得隔热效率更好的绝热管，其包括用于冷却和加热的热水和冷水通过的管道。解决方案：水流管11,12布置在绝热元件13中。沿着外周的水流管11,12的多个部分由从绝热元件向内突出的多个突起14支撑。空气层15沿着水流管11,12的外周形成在相邻的突起14,14之间。（C）2008，JPO＆INPIT

6. 发明专利

JP2006123201A Member for mold used for molding polyethylenic resin and mold 审中-公开
标题翻译：用于模制聚乙烯树脂和模具的模具成员
公开(公告)号：JP2006123201A
公开(公告)日：2006-05-18
申请号：JP2004311013
申请日：2004-10-26
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： NAGASHIMA TAICHI , IGAWA KAZUHISA , MORITA TETSUJI , NISHIMURA HIROYUKI , KAWAGUCHI TAKAFUMI , KATO MARIKO , SAITO MICHIO , KAWASAKI SHINICHI
IPC分类号： B29C33/62 , B29C33/38 , B29K23/00 , B29L23/00
摘要： PROBLEM TO BE SOLVED: To provide a member for a mold used for molding a polyethylenic resin excellent in anti-stick properties, durability, abrasion resistance, scratch resistance and the like, easy to be repaired and capable of keeping excellent initial use characteristics even if used for a long time, and the mold.
SOLUTION: The member for the mold used for molding the polyethylenic resin is constituted by successively forming an undercoating film layer and a top coating film layer on a molding surface and the undercoating film layer contains 20-60 wt.% of inorganic fine particles and 50-10 wt.% of fluoroplastic as a solid component while the top coating film layer contains 60 wt.% or above of a tetrafluoroethylene/perfluoroalkylvinyl ether copolymer as a solid component.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于模塑抗弯性，耐久性，耐磨性，耐刮擦性等优异的聚乙烯树脂的模具的构件，易于修复并且能够保持优异的初始使用特点即使使用了很长时间，还有模具。解决方案：用于成型聚烯烃树脂的模具用构件是通过在成形面上依次形成底涂膜层和顶涂层层而构成的，底涂膜层含有20〜60重量％的无机精细颗粒和50-10重量％的氟塑料作为固体组分，而顶涂层层含有60重量％或以上的作为固体组分的四氟乙烯/全氟烷基乙烯基醚共聚物。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2002005371A HOSE JOINT 失效
公开(公告)号：JP2002005371A
公开(公告)日：2002-01-09
申请号：JP2000187571
申请日：2000-06-22
申请人： OSAKA GAS CO LTD , HARMAN CO LTD
发明人： IGAWA KAZUHISA , KAWAGUCHI TAKAFUMI , KATO MARIKO , KIMURA ITARU , NISHIURA MASANAGA
IPC分类号： F16L33/24 , F16L33/00 , F16L33/28 , F16L37/12 , F16L41/02 , F24D19/02
摘要： PROBLEM TO BE SOLVED: To provide a hose joint high in connection reliability and excellent in hose connection workability. SOLUTION: A relay part 3 of the hose joint A having a structure in which two hose side connecting parts 1 are branched at a prescribed angle θ for an axial direction (Z direction) of an origin side connecting part 2 from the relay part 3 is provided with an engagement step part 16 engaged with a receiving part 32 of a jig 31 for connecting a hose 33 to be used when the hose 33 is connected with the hose side connecting parts 1. The engagement step part 16 is provided with a projection 17 so that the receiving part 32 of the jig 31 for connecting the hose 33 may be engaged at a proper angle corresponding the angle θ of each hose side connecting part 1.

8. 发明专利

JP2000176440A METHOD FOR PREVENTING DEGRADATION OF RESIN PIPE AND RESIN PIPING SYSTEM 失效
公开(公告)号：JP2000176440A
公开(公告)日：2000-06-27
申请号：JP35305598
申请日：1998-12-11
申请人： OSAKA GAS CO LTD
发明人： HIGUCHI HIROSHI , IGAWA KAZUHISA , MATSUI HIDEO , YANASE HIROMI
IPC分类号： C02F1/28 , C02F1/42 , C02F5/00 , F24D3/10
摘要： PROBLEM TO BE SOLVED: To provide the method for suppressing the deterioration of a resin pipe by a metal ion or a chelate compd. SOLUTION: The contact of the metal ion to the resin pipe is prevented by adding the carrier having metal ion capturing function into the water circulating in the resin pipe. The carrier having the metal ion capturing function is at least one kind selected from the cation exchange resin and its ground product preferably having 50-100 μm particle size or the inorg. material such as alumina, zeolite, silica gel, ceramic powder and having 1-50 μm particle size preferably or the composite of at least one kind selected from the cation exchange resin and its ground product and the inorg. material.

9. 发明专利

JP2000141243A DRAWING TOOL OF PIPE BODY 失效
公开(公告)号：JP2000141243A
公开(公告)日：2000-05-23
申请号：JP31249198
申请日：1998-11-02
申请人： OSAKA GAS CO LTD , MATSUSAKA TEKKOSHO KK
发明人： SAWADA TOSHIKO , NATAHASHI NORIHIDE , IGAWA KAZUHISA , MURATA YOJI
IPC分类号： B25B27/02
摘要： PROBLEM TO BE SOLVED: To provide a drawing tool capable of easily and speedily drawing a pipe body without damaging an installing part of an article such as a pipe fitting, etc. SOLUTION: An engagement part 40 of an engagement member 26 is engaged with an end surface 25 on the upstream side of a drawing direction A of a pipe body 24 installed on an installing part 23 of an article, and a pressing part 33 of a shaft member 34 is made to abut on an end surface 32 on the downstream side of the drawing direction A of the installing part 23. It is possible to draw the pipe body 24 from the installing part 23 by moving the pipe body 24 in the drawing direction A with a tool main body 28 and the engagement member 26 in a state of the installing part 23 pressed in a direction opposite to the drawing direction by the pressing part 33 by operating to revolve the shaft member 34 in a direction where the engagement member 26 and the pressing part 33 approach to each other in this state.

10. 发明专利

JPH08135637A BOX NUT 失效
公开(公告)号：JPH08135637A
公开(公告)日：1996-05-31
申请号：JP28014994
申请日：1994-11-15
申请人： OSAKA GAS CO LTD , MAEZAWA KUSO KOGYO
发明人： IGAWA KAZUHISA , KUGA SHIYOUGOROU
IPC分类号： F16B37/00 , F16L15/00
摘要： PURPOSE: To prevent fastening torque of a box nut from propagating to a fastening body because the fastening body is twisted simultaneously when the fastening body is fastened and fixed to a sleeve when the fastening torque to a fastening member by the box nut is directly or indirectly propagated to the fastening body by accompanying force in the rotational direction. CONSTITUTION: Sliding surface work or carving of a ring groove is applied to an inside diameter surface 12 of a box nut l coming into surface contact with an outer peripheral surface of a fastening member, and the fastening member to fasten and fix an end part of a fastening body is prevented from propagating twisting pressure of fastening torque by rotation of the box nut to the fastening body. Therefore, because the inside diameter surface 12 of the box nut 1 to which the sliding surface work or the carving of a ring groove is applied is screw-fitted by slidingly moving on the outer peripheral surface of the fastening member, the twist uncausal box nut can be fastened without propagating force in the rotational direction to the fastening body, and an effect capable of preventing reduction in the longevity of the fastening body by a twist, reduction in flexibility by raw material fatigue or the like can be fulfilled.

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