专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2008012485A Manufacturing method of silicon nitride based honeycomb filter 审中-公开
标题翻译：基于硝酸钾的蜂窝状过滤器的制造方法
公开(公告)号：JP2008012485A
公开(公告)日：2008-01-24
申请号：JP2006188536
申请日：2006-07-07
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： MATSUZAKI KATSUHIKO , ARAI KANJI
IPC分类号： B01D39/00 , B01D39/20 , C04B35/591 , C04B38/00
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a silicon nitride based honeycomb filter wherein a crack and deformation of a honeycomb molded body hardly occur even if the size of the honeycomb molded body or the density of segments is increased in the case of burning the split-type honeycomb (segments). SOLUTION: In the manufacturing method of a silicon nitride based honeycomb filter, the honeycomb molded body including metallic silicon particles and a pore forming material is placed in a heating furnace, nitrogen is introduced into the furnace to turn silicon into silicon nitride, and a silicon nitride based honeycomb filter consisting of silicon nitride is manufactured by sintering. The method included (1) the first step of employing a vacuum atmosphere or an atmosphere including Ar or the like of a pressure not higher than an atmospheric pressure as the gas atmosphere in heat treatment and raising temperature until the temperature of the atmosphere is in the range from room temperature to a nitrogen gas introduction starting temperature, (2) the second step of regulating the pressure inside the furnace at a constant decompression pressure within the range of 20-90 KPa and introducing a specific introduction volume of nitrogen gas and raising temperature to form nitride and (3) the step of employing an atmosphere including nitrogen of a pressure not higher than the atmospheric pressure as the atmosphere after a nitrogen gas introduction control terminating temperature and heating and sintering therein. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种氮化硅基蜂窝过滤器的制造方法，其中即使蜂窝成型体的尺寸或段的密度增加，蜂窝成型体的裂纹和变形也几乎不发生燃烧分裂式蜂窝（段）的情况。解决方案：在氮化硅基蜂窝过滤器的制造方法中，将包含金属硅颗粒和成孔材料的蜂窝成型体放置在加热炉中，将氮气引入炉中以将硅转化为氮化硅，并且通过烧结制造由氮化硅构成的氮化硅基蜂窝过滤器。该方法包括（1）在热处理和升温中使用真空气氛或包括不高于大气压的Ar等的气氛作为气体气氛的第一步骤，直到气氛的温度在从室温到氮气引入开始温度的范围，（2）在20-90KPa的恒定减压压力下调节炉内的压力的第二步骤，并引入特定的氮气引入容积和升温以形成氮化物，（3）在氮气导入控制终止温度之后，使用包含不大于大气压的氮气的气氛作为气氛，并进行加热烧结的工序。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2006207958A Baking vessel for ceramics, baking device for ceramics, and ceramics baking method 审中-公开
标题翻译：陶瓷餐具，陶瓷烘烤设备，陶瓷烘焙方法
公开(公告)号：JP2006207958A
公开(公告)日：2006-08-10
申请号：JP2005022808
申请日：2005-01-31
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： MATSUZAKI KATSUHIKO , SUZUKI KEIICHIRO , FUJISAKI MASAKATSU , ARAI KANJI
IPC分类号： F27D3/12 , C04B35/64 , F27B17/00
摘要： PROBLEM TO BE SOLVED: To provide a baking vessel for silicon nitride ceramics, a baking device for ceramics, and a ceramics baking method capable of easily blowing nitrogen gas evenly on a whole without complicated structure or a mechanism even when carrying out baking by plurally housing silicon nitride compacts, particularly honeycomb compacts including metal silicon particles and/or silicon nitride particles in the container in multiple rows, and capable of efficiently carrying out heat treatment such as nitriding and sintering at high quality with favorable form accuracy without deformation, defects or the like. SOLUTION: The baking vessel 1 for ceramics is for housing a plurality of the compacts 15 in multiple rows in vessel bodies 1a, and it is provided with a gas inlet 2 formed on at least one optional wall face of the vessel body 1a, and a gas outlet 3 formed on a wall face of the vessel body 1a apart from the one wall face. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：为了提供一种用于氮化硅陶瓷的烘烤容器，一种用于陶瓷的烘烤装置和陶瓷烘烤方法，即使在进行烘烤时也能够容易地均匀地吹氮气，而没有复杂的结构或机构通过多个容纳氮化硅压块，特别是在容器中具有多行的包含金属硅颗粒和/或氮化硅颗粒的蜂窝结构体，并且能够以良好的形状精度高效地高效地进行氮化和烧结等热处理而没有变形，缺陷等。解决方案：用于陶瓷的烘烤容器1用于容纳容器体1a中多排的多个压块15，并且其设置有形成在容器主体1a的至少一个可选壁面上的气体入口2 以及形成在容器主体1a的与所述一个壁面相隔离的壁面上的气体出口3。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2005046743A Method for producing honeycomb filter of silicon nitride 审中-公开
标题翻译：用于生产硝酸钾的蜂窝状过滤器的方法
公开(公告)号：JP2005046743A
公开(公告)日：2005-02-24
申请号：JP2003281811
申请日：2003-07-29
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： FUJISAKI MASAKATSU , MATSUZAKI KATSUHIKO , MAENO YASUSHI , SATO KOBO , SUZUKI KEIICHIRO
IPC分类号： F01N3/02 , B01D39/00 , B01D39/20 , C04B35/591 , C04B38/08
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a large-sized honeycomb filter of silicon nitride without defects such as a crack and a blister. SOLUTION: In the method, a honeycomb molding containing metallic silicon particles and a pore forming material is heat-treated in a nitrogen atmosphere to convert metallic silicon into silicon nitride. The heat treatment is divided into prestage treatment in which retention temperature is 1,100°C or above and below 1,400°C and a poststage treatment in which the retention temperature is 1,600°C or above and below 1,800°C. In the prestage treatment, a heat cycle in which temperature is increased, retained, and decreased is repeated at least twice, and the temperature is decreased to 1,000°C or below in the heat cycle. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种无裂纹和起泡等缺陷的氮化硅的大型蜂窝过滤器的制造方法。解决方案：在该方法中，将含有金属硅颗粒和成孔材料的蜂窝模制件在氮气气氛中热处理以将金属硅转化为氮化硅。热处理分为保留温度为1100℃以上且低于1400℃的预处理，保持温度为1600℃以上1800℃以下的后台处理。在预处理中，将温度升高，保持和降低的热循环重复至少两次，并且在热循环中将温度降低至1000℃以下。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2005324138A Method for manufacturing silicon nitride honeycomb filter 有权
标题翻译：制造硅氧烷蜂窝状过滤器的方法
公开(公告)号：JP2005324138A
公开(公告)日：2005-11-24
申请号：JP2004145111
申请日：2004-05-14
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： ARAI KANJI , SUZUKI KEIICHIRO , MATSUZAKI KATSUHIKO
IPC分类号： B01D39/00 , B01D39/20 , C04B38/00
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a large-scaled silicon nitride honeycomb filter without any defects such as crack and blister. SOLUTION: This method for manufacturing the silicon nitride honeycomb filter by heat-treating a honeycomb molding containing a metallic silicon particle and a pore forming material to mainly nitride/sinter the honeycomb molding and converting the metallic silicon particle into the silicon nitride particle comprises: a first (nitridation preventing) step (1) of heat-treating the honeycomb molding in an atmosphere containing substantially no oxygen and no nitrogen since the room temperature until the temperature at which nitrogen gas begins to be introduced; a second (nitriding) step (2) of heat-treating the honeycomb molding by introducing nitrogen gas at 0.05-5 l/minute per 1 kg metallic silicon in the honeycomb molding since the temperature that nitrogen gas begins to be introduced until the temperature at which the control of the amount of the nitrogen gas to be introduced is completed; and a third (sintering) step (3) of heat-treating the honeycomb molding in the atmosphere consisting substantially of nitrogen gas since the temperature that the control of the amount of the nitrogen gas to be introduced is completed. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种制造大规模氮化硅蜂窝过滤器的方法，没有任何缺陷，如裂纹和起泡。解决方案：通过热处理包含金属硅颗粒和成孔材料的蜂窝模制件来主要氮化/烧结蜂窝模制件并将金属硅颗粒转化成氮化硅颗粒的方法制造氮化硅蜂窝过滤器的方法包括：从室温直到氮气开始引入的温度，在基本上不含氧，无氮的气氛中对蜂窝成型体进行热处理的第一（防止氮化）步骤（1）第二（氮化）步骤（2），其通过在蜂窝模制件中每1kg金属硅以0.05-5l / min的速度引入氮气来进行热处理，这是由于氮气开始引入温度直到完成对待引入的氮气的量的控制; 以及由完成氮气量的控制的温度开始，在由大气组成的气氛中对蜂窝成型体进行热处理的第三（烧结）工序（3）。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005058999A Manufacturing method for silicon nitride honeycomb filter 审中-公开
标题翻译：硅酸盐蜂窝状过滤器的制造方法
公开(公告)号：JP2005058999A
公开(公告)日：2005-03-10
申请号：JP2004215959
申请日：2004-07-23
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： MATSUZAKI KATSUHIKO , SUZUKI KEIICHIRO
IPC分类号： F01N3/02 , B01D39/00 , B01D39/20 , B01D46/00 , C04B35/591 , C04B35/626 , C04B35/64
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method for a silicon nitride honeycomb filter which uses metal silicon particles as starting raw material, has a high strength and is most suitable for dust removing and dedusting. SOLUTION: In the manufacturing method for the silicon nitride honeycomb filter, a honeycomb green body comprising the metal silicon particles and a pore-forming agent is heat-treated in a nitrogen atmosphere and metal silicon is converted substantially to silicon nitride. Therein, the metal silicon particles have a purity of at least 97 mass% and contain at least one metal element selected from the group consisting of Fe, Ca, Mg, Cu, Cr, and Ti in a total amount of 0.01 to 1 mass%. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供使用金属硅颗粒作为起始原料的氮化硅蜂窝过滤器的制造方法，具有高强度，最适合于除尘除尘。解决方案：在氮化硅蜂窝过滤器的制造方法中，将包含金属硅颗粒和成孔剂的蜂窝生坯在氮气气氛中进行热处理，金属硅基本上转化为氮化硅。其中金属硅颗粒的纯度至少为97质量％，并且含有至少一种选自Fe，Ca，Mg，Cu，Cr和Ti的金属元素，总量为0.01质量％至1质量％。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

DE3780954T2 未知
公开(公告)号：DE3780954T2
公开(公告)日：1992-12-24
申请号：DE3780954
申请日：1987-12-15
申请人： ASAHI GLASS CO LTD
发明人： OHTA HIRONORI , KAWAGUCHI TOSHIYASU , MUKAIYAMA TAKASHI , MATSUZAKI KATSUHIKO , EBISAWA JUNICHI , TANEDA NAOKI , ARAI DAIKICHI , YOSHIHARA NORIYUKI , YAMADA YOSHIKAZU , KUNII KOSHIRO
IPC分类号： C03B37/01 , C03C1/00 , C03C13/00 , C04B35/14 , C04B35/622 , D01F9/10 , D01F9/08 , D01D5/04 , D01D4/02
摘要： A process for producing silica glass fibers comprising: a step of preparing a silica glass fiber spinning solution by adding a polymerization regulator to a silica sol solution obtained by the hydrolysis and condensation of a silicon alkoxide in the presence of an acid catalyst; a step of spinning the spinning solution into gel fibers by extruding the spinning solution from nozzles; a step of applying an oiling agent containing substantially no water or lower alcohol to the gel fibers; a step of forming a fiber cake by winding the oiled gel fibers on a tube or bobbin; a step of aging the gel fibers constituting the fiber cake; a step of sintering the gel fibers unwound from the fiber cake after the aging step, to form silica glass fibers.

7. 发明专利

DE3780954D1 未知
公开(公告)号：DE3780954D1
公开(公告)日：1992-09-10
申请号：DE3780954
申请日：1987-12-15
申请人： ASAHI GLASS CO LTD
发明人： OHTA HIRONORI , KAWAGUCHI TOSHIYASU , MUKAIYAMA TAKASHI , MATSUZAKI KATSUHIKO , EBISAWA JUNICHI , TANEDA NAOKI , ARAI DAIKICHI , YOSHIHARA NORIYUKI , YAMADA YOSHIKAZU , KUNII KOSHIRO
IPC分类号： C03B37/01 , C03C1/00 , C03C13/00 , C04B35/14 , C04B35/622 , D01F9/10 , D01F9/08 , D01D5/04 , D01D4/02
摘要： A process for producing silica glass fibers comprising: a step of preparing a silica glass fiber spinning solution by adding a polymerization regulator to a silica sol solution obtained by the hydrolysis and condensation of a silicon alkoxide in the presence of an acid catalyst; a step of spinning the spinning solution into gel fibers by extruding the spinning solution from nozzles; a step of applying an oiling agent containing substantially no water or lower alcohol to the gel fibers; a step of forming a fiber cake by winding the oiled gel fibers on a tube or bobbin; a step of aging the gel fibers constituting the fiber cake; a step of sintering the gel fibers unwound from the fiber cake after the aging step, to form silica glass fibers.

8. 发明专利

JPH1192215A CORDIERITE-BASED CERAMIC SINTERED PRODUCT, COMPOSITION THEREFOR AND PRODUCTION 失效
公开(公告)号：JPH1192215A
公开(公告)日：1999-04-06
申请号：JP25246297
申请日：1997-09-17
申请人： ASAHI GLASS CO LTD
发明人： OSAKA SHIGERU , MATSUZAKI KATSUHIKO , ARAI KANJI
IPC分类号： C04B38/00 , C04B35/195
摘要： PROBLEM TO BE SOLVED: To obtain the sintered product excellent in mechanical characteristics, isotropically low in thermal expansion and suitable for filters by comprising bone material portions comprising melted cordierite-based crystal particles formed by a melt-recrystallization method, synthetic cordierite-based crystals formed between the crystal particles by a sintering method, and binding portions comprising an alkali metal oxide, alumina, and a silicic glassy material. SOLUTION: This sintered product having a thermal expansion coefficient (1,200 deg.C) of 27×10 / deg.C in all directions is obtained by molding a composition comprising (A) melted cordierite crystal particles having a thermal expansion coefficient (1,200 deg.C) of / deg.C in all directions, (B) a synthetic cordierite- based raw material component capable of being calcined to form the cordierite, (C) feldspar powder in an amount of 4-20 pts.wt. per 96-80 pts.wt. of the total amount of the components A and B, (D) an organic pore-forming agent, and (E) an organic binder, and subsequently sintering the molded product at a temperature of from the melting point of the component C to 1,400 deg.C.

9. 发明专利

JPH02291416A FIXED CONSTRUCTION OF HONEYCOMB CATALYST SUPPORT FOR TREATMENT OF EXHAUST GAS OF AUTOMOBILE 失效
公开(公告)号：JPH02291416A
公开(公告)日：1990-12-03
申请号：JP21495489
申请日：1989-08-23
申请人： ASAHI GLASS CO LTD
发明人： IKEMURA MASAAKI , MATSUZAKI KATSUHIKO , OTA HIRONORI
IPC分类号： F01N3/28
摘要： PURPOSE:To prevent dispersal of a part of a fixing mat by fixing a catalyst support in a casing through heat resisting wire netting, after covering the fixing mat provided on the outer circumference of catalyst support with a high temperature resisting silica glass fiber product. CONSTITUTION:A fixing mat 4 is provided on the outer circumference of a honeycomb catalyst support 3 in a catalytic converter treating exhaust gas 1 of an automobile. Wire netting 6 is provided on the upper surface of the fixing mat 4, and the honeycomb catalyst support 3 is fixed in a casing 2. In this case, at least a part of the fixing mat 4 is covered with high temperature resisting silica glass produced woven cloth 5. Hereafter, the honeycomb catalyst support 3 is fixed in the casing 2 through the heat resisting wire netting. Hereby, dispersal of a part of the fixing mat 4 respectively positioned on the uppermost part and the lowermost part of the honeycomb catalyst support 3 inside the casing 2 due to effect of exhaust gas.

10. 发明专利

JPH0238335A DRY SPINNING UNIT FOR SILICA FIBER 失效
公开(公告)号：JPH0238335A
公开(公告)日：1990-02-07
申请号：JP18819088
申请日：1988-07-29
申请人： ASAHI GLASS CO LTD
发明人： ARAI TAKICHI , MATSUZAKI KATSUHIKO , IKEMURA MASAAKI
IPC分类号： C03B37/016 , C03B37/01 , C03B37/085
摘要： PURPOSE:To provide the title unit so designed that in making a dry spinning of silica fiber using a sol prepared by hydrolyzing a silicon alkoxide, a piping to the spinneret pack is equipped with a line mixer, thereby making the delivery rate invariant leading to prevention of yarn breakage. CONSTITUTION:A sol 2 prepared by hydrolyzing a silicon alkoxide is fed, through a piping 8 and a filter 4, to a spinneret pack 5 using a metering pump 3 and delivered through spinneret holes, thus carrying out the objective dry spinning of silica fiber. In this case, the piping is equipped with a line mixer 11, and sol liquid of uneven viscosity produced within the piping is homogeneously mixed and stirred and then fed to the spinneret pack 5, therefore yarn breakage will virtually be prevented.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式