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1. 发明专利

JP2004059357A Method of producing porous ceramic body 有权
公开(公告)号：JP2004059357A
公开(公告)日：2004-02-26
申请号：JP2002217941
申请日：2002-07-26
申请人： Ngk Insulators Ltd , 日本碍子株式会社
发明人： MUROI YUMI , YAMAMOTO YOSHINORI , WADA YUKIHISA
IPC分类号： C04B38/06 , B01D39/20 , C04B35/636 , C04B35/638 , C04B35/64 , C04B38/00
CPC分类号： B01D39/2037 , C04B35/195 , C04B35/565 , C04B35/62655 , C04B35/63 , C04B35/634 , C04B35/63416 , C04B35/6365 , C04B35/638 , C04B38/00 , C04B38/0006 , C04B2235/3826 , C04B2235/428 , C04B2235/6021 , C04B2235/668 , C04B2235/728 , C04B2235/80 , C04B38/0645 , C04B38/067 , C04B38/0655 , C04B35/64
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a porous ceramic body, by which not only a porous ceramic having a low porosity but also a ceramic having a high porosity can be produced without causing cracks at the time of firing. SOLUTION: In the method of producing the porous ceramic body, comprising preparing a formed body by using a ceramic raw material including a pore forming agent and a binder, then drying the formed body and firing the dried formed body, the firing atmosphere temperature is kept in the temperature range of -50 to +10°C with respect to the burning start temperature of the binder in a period from the time point when the temperature reaches the burning start temperature of the binder contained in the porous ceramic body to be fired to the time point when the binder is completely burned down. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2003285307A Manufacturing method for honeycomb structure 有权
标题翻译：蜂窝结构的制造方法
公开(公告)号：JP2003285307A
公开(公告)日：2003-10-07
申请号：JP2002092682
申请日：2002-03-28
申请人： Ngk Insulators Ltd , 日本碍子株式会社
发明人： NATE MASAYUKI , KANEKO TAKAHISA , WADA YUKIHISA
IPC分类号： F01N3/02 , B01D39/00 , B01D39/20 , B01J35/04 , B28B3/20 , B28B11/24 , B28B17/00 , B29C47/20 , F26B3/34 , F26B25/18
CPC分类号： B28B11/243 , B28B3/269 , B28B11/241 , B28B11/248 , B28B17/00 , B28B2003/203 , B29C47/0028 , B29C47/12 , B29L2031/60 , F26B3/343 , F26B25/18 , F26B2210/02
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method for a honeycomb structure for reducing the bending or deformation of the finally manufactured honeycomb structure by reducing bending or the deformation of a cross-sectional shape in a molding process and a drying process at the time of production of the honeycomb structure. SOLUTION: The manufacturing method for the honeycomb structure includes a molding process for the extrusion molding of a molded object 1 having an outer peripheral wall, the partition walls arranged inside the outer peripheral wall and a large number of flow holes partitioned by the partition walls to axially pierce the molded object 1 and a drying process for drying the molded object 1. The molding process includes a process for receiving the extruded molded object 1 using a receiving fixture 10 receiving the molded object 1, so that the angle of inclination to a horizontal surface of at least one surface 7a of the outer peripheral wall on the receiving fixture 10 becomes 15-35° and a process for drying the receiving fixture 10, in such a state that the molded object 1 is received by the receiving fixture 10 in the drying process. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种用于通过减少模制过程中的弯曲或横截面形状的变形和干燥过程来减少最终制造的蜂窝结构体的弯曲或变形的蜂窝结构体的制造方法蜂窝结构体的生产时间。解决方案：蜂窝结构体的制造方法包括：具有外周壁的成型体1的挤出成形用的成型方法，配置在外周壁的内侧的隔壁和由该外周壁隔开的多个流动孔分隔壁轴向地刺穿模制物体1和用于干燥模制物体1的干燥过程。模制过程包括使用接收模制物体1的接收固定件10接收挤出模制物体1的方法，使得倾斜角在接收固定装置10上的外周壁的至少一个表面7a的水平表面变为15-35°，并且在接收夹具10被接收的状态下干燥接收固定件10的处理 10在干燥过程中。版权所有（C）2004，JPO

3. 发明专利

JP2003285014A Cap washing method 有权
标题翻译： CAP洗涤方法
公开(公告)号：JP2003285014A
公开(公告)日：2003-10-07
申请号：JP2002090581
申请日：2002-03-28
申请人： Ngk Insulators Ltd , 日本碍子株式会社
发明人： WADA YUKIHISA , KANEKO TAKAHISA , NATE MASAYUKI
IPC分类号： B08B7/04 , B08B3/02 , B08B5/02 , B08B7/00 , B08B9/00 , B28B3/20 , B28B7/38 , B29C47/08 , B29C47/12 , B29C47/20 , B29K103/00
CPC分类号： B08B7/0071 , B08B3/02 , B08B5/02 , B08B2220/04 , B28B7/386 , B28B2003/203 , B29C47/0028 , B29C47/0877 , B29C47/12 , B29L2031/60
摘要： PROBLEM TO BE SOLVED: To provide a cap washing method capable of removing a molding compound in a cap without damaging or deforming the cap used for molding the molding compound containing a binder.
SOLUTION: The cap washing method is used for removing the molding compound containing the binder from the cap used for molding the molding compound and includes a process for partially or wholly removing the binder contained in the molding compound before removing the molding compound from the cap.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种能够除去盖中的模塑料而不损坏或变形用于模塑含有粘合剂的模塑料的盖的盖清洗方法。解决方案：使用盖清洗方法从用于模制成型模塑料的盖中除去含有粘合剂的模塑料，并且包括在将模塑料中除去模塑料之前部分或全部除去模塑料中的粘合剂的方法这顶帽子。版权所有（C）2004，JPO

4. 发明专利

JPH02255576A METHOD FOR CALCINING CERAMICS HONEYCOMB STRUCTURAL BODY 失效
公开(公告)号：JPH02255576A
公开(公告)日：1990-10-16
申请号：JP7482589
申请日：1989-03-29
申请人： NGK INSULATORS LTD
发明人： YASUDA KEIJI , NAKAYOKU KAZUO , MIYAHARA KAZUHIRO , WADA YUKIHISA
IPC分类号： B01D53/86 , C04B35/195 , C04B35/64 , C04B38/00
摘要： PURPOSE:To obtain a sintered article of a required size by specifying calcination conditions at the time of calcining the honeycomb structural body obtd. by extrusion molding of the compd. of ceramics raw materials forming cordierite. CONSTITUTION:The chemical compsn. of the essential components consists, by weight, of 42 to 56% SiO2, 30 to 45% Al2O3, and 12 to 16% MgO. Talc, kaolin, and other cordierite forming raw materials are so mixed that the essential components of the crystal phase consist of the cordierite. These materials are mixed and kneaded and a molding assistant and/or molding agent is added to the mixture prepd. in such a manner. The mixture is then plasticized extrudably and is extrusion-molded to the honeycomb structural body. The resulting honeycomb structural body is calcined by controlling the heating up temp. at the time of calcination to

5. 发明专利

JP2011052906A Kiln tool plate for ceramic firing 审中-公开
标题翻译：用于陶瓷火焰的工具板
公开(公告)号：JP2011052906A
公开(公告)日：2011-03-17
申请号：JP2009202793
申请日：2009-09-02
申请人： Ngk Insulators Ltd , 日本碍子株式会社
发明人： WADA YUKIHISA , KOMIYAMA TSUNEO , KAWASAKI SHINJI
IPC分类号： F27D3/12 , C04B35/64
摘要： PROBLEM TO BE SOLVED: To provide a kiln tool plate for ceramic firing, capable of reducing a heat capacity, properly performing degassing, and having superior creep resistance. SOLUTION: A kiln tool plate 100 for ceramic firing has a plurality of first projecting sections 5a separately disposed at one face A side in parallel with each other, and a plurality of second projecting sections 5b separately disposed at the other face B side in parallel with each other, and opening sections 7 are formed on parts where first recessed sections 4a respectively formed between the first projecting sections 5a, and second recessed sections 4b respectively formed between the second projecting sections 5b are overlapped. On each of a cross-section orthogonal to a longitudinal direction of the first projecting sections 5a and a cross-section orthogonal to the longitudinal direction of the second projecting sections 5b, a porosity of a central region as a square region of 6% area to a gravity-centered total cross-sectional area of the cross section, is higher than a porosity of an intermediate region as a region of 50% area to the gravity-centered total cross-sectional area of the cross-section, and a square region excluding the central region. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于陶瓷烧制的窑工具板，能够降低热容量，适当地进行脱气，并且具有优异的抗蠕变性。解决方案：用于陶瓷烧制的窑工具板100具有分别设置在彼此平行的一个面A侧的多个第一突出部5a和分别设置在另一个面B侧的多个第二突出部5b 并且开口部7形成在分别形成在第一突出部5a之间的第一凹部4a和分别形成在第二突出部5b之间的第二凹部4b重叠的部分上。在与第一突出部5a的长度方向正交的截面和与第二突出部5b的长度方向正交的截面的截面上，中心区域的孔隙率为6％面积的正方形区域，横截面的以重心为中心的总截面积高于作为横截面的重心为中心的总截面积为50％面积的区域的中间区域的孔隙率，以及正方形区域不包括中部地区。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2006320806A METHOD OF PRODUCING HONEYCOMB STRUCTURE 审中-公开
公开(公告)号：JP2006320806A
公开(公告)日：2006-11-30
申请号：JP2005144895
申请日：2005-05-18
申请人： NGK INSULATORS LTD
发明人： MICHIWAKI HIROSHI , ITO YUJI , WADA YUKIHISA
IPC分类号： B01D39/00 , B01D39/20 , B01J35/04 , B24B5/04 , B24B5/50 , F01N3/02
摘要： PROBLEM TO BE SOLVED: To provide a method capable of efficiently and inexpensively producing a honeycomb structure preferably used for filters collecting fine particles in exhaust gas by using a grinding member, which can preserve a superior grinding performance over a long period and has a long service life. SOLUTION: In this method of producing the honeycomb structure, the outer periphery of a roughly formed honeycomb structure 20 made of porous ceramics is worked using the grinding member 10 to obtain a honeycomb structure of a given form. A grinding member is used as the grinding member 10 with a grain size of diamond abrasive grains of 40-150, a concentration ratio of 80 or more, and coated with at least one kind selected from Ti, Ni and Cr on the surface of the diamond grains. COPYRIGHT: (C)2007,JPO&INPIT

7. 发明专利

JP2003285312A Drying method for honeycomb molded object 审中-公开
标题翻译：蜂窝模糊对象的干燥方法
公开(公告)号：JP2003285312A
公开(公告)日：2003-10-07
申请号：JP2002091575
申请日：2002-03-28
申请人： Ngk Insulators Ltd , 日本碍子株式会社
发明人： NATE MASAYUKI , NAGAMURA MAKOTO , KANEKO TAKAHISA , WADA YUKIHISA
IPC分类号： F26B3/347 , B28B3/20 , B28B11/00 , B28B11/24 , C04B35/636 , C04B38/00 , F26B11/00 , F26B25/16 , F27D5/00
CPC分类号： C04B35/6365 , B28B3/269 , B28B11/243 , B28B11/248 , C04B35/565 , C04B35/62655 , C04B38/0006 , C04B2111/00793 , C04B2111/0081 , C04B2235/428 , C04B2235/6021 , C04B2235/728 , C04B2235/80 , C04B2235/9638 , F27D5/00 , C04B40/02 , C04B40/0218
摘要： PROBLEM TO BE SOLVED: To provide a drying method for a honeycomb molded object reducing the bending of the honeycomb molded object or the deformation of the cross-sectional shape of the honeycomb molded object. SOLUTION: The honeycomb molded object has outer peripheral walls, partition walls arranged inside the outer peripheral walls, and a large number of flow holes partitioned by the partition walls to pierce the honeycomb molded object. The drying method for the honeycomb molded object includes a process for starting the drying of the honeycomb molded object in a state covering at least a part of the outer peripheral walls 7a and 7b using a guide 12, for covering the outer peripheral walls 7a and/or 7b so as not to come into contact with the outer peripheral walls 7a and/or 7b. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种蜂窝成型体的干燥方法，其减少了蜂窝成型体的弯曲或蜂窝成型体的截面形状的变形。解决方案：蜂窝成型体具有外周壁，布置在外周壁内部的隔壁和由隔壁分隔开的许多流动孔，以刺穿蜂窝模制物体。蜂窝成型体的干燥方法包括使用引导件12覆盖外周壁7a，7b的至少一部分的状态来开始蜂窝成型体的干燥的工序，以覆盖外周壁7a和/ 或7b，以便不与外周壁7a和/或7b接触。版权所有（C）2004，JPO

8. 发明专利

JP2553192B2 失效
公开(公告)号：JP2553192B2
公开(公告)日：1996-11-13
申请号：JP7482589
申请日：1989-03-29
申请人： NGK INSULATORS LTD
发明人： YASUDA KEIJI , NAKAYOKU KAZUO , MYAHARA KAZUHIRO , WADA YUKIHISA
IPC分类号： B01D53/86 , C04B35/195 , C04B35/64 , C04B38/00

9. 发明专利

JPH06278114A PRODUCTION OF HONEYCOMB STRUCTURE 失效
公开(公告)号：JPH06278114A
公开(公告)日：1994-10-04
申请号：JP6795593
申请日：1993-03-26
申请人： NGK INSULATORS LTD
发明人： WADA YUKIHISA
IPC分类号： B28B3/26
摘要： PURPOSE:To locally finely adjust the extrusion speed of body, to lightly and inexpensively obtain the uniformity of the extrusion speed of the body and to prevent the deformation such as bending or distortion or cell deformation of a honeycomb structure. CONSTITUTION:A die is provided to an extrusion molding machine and ceramic body is extruded from body supply ports 2 to body discharge grooves 3 under predetermined pressure by inserting resistors 4 in the body to produce a honeycomb structure.

10. 发明专利

JPH04300252A BURNING OF CERAMIC HONEYCOMB STRUCTURE 失效
公开(公告)号：JPH04300252A
公开(公告)日：1992-10-23
申请号：JP8583391
申请日：1991-03-27
申请人： NGK INSULATORS LTD
发明人： YAMAGUCHI MASABUMI , MAEKAWA HIDEYA , WADA YUKIHISA
IPC分类号： C04B35/64
摘要： PURPOSE:To increase burning efficiently of sintered material of ceramic honeycomb structure by inserting spacers between mutually opposing top and bottom faces of plural molded articles of ceramic honeycomb and burning. CONSTITUTION:Plural molded articles 2 such as two molded articles of ceramic honeycomb on a torch are placed in a vertically piled state in a direction wherein each inner passageway in the direction of high rigidity extends in the vertical direction so as to prevent collapse. Plural spacers 3 are inserted in a direction of making the direction of thickness into the vertical direction between mutually opposing top and bottom faces of the molded articles 2 of honeycomb, namely between the top face of the molded article at the lower side and the bottom face of the molded article of the upper side. Then gap is made between the mutually opposing top and bottom faces of the molded articles 2. Then the torch 1 in a state of placing the two molded articles 2 is put in a continuous furnace or single furnace as a burning furnace, these molded articles 2 of ceramic honeycomb are burnt to give the objective structure.

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