公开(公告)号：EP1543876A4

公开(公告)日：2006-03-22

申请号：EP03798388

申请日：2003-09-04

申请人： NGK INSULATORS LTD

发明人： HIRAI SADAAKI

IPC分类号： B01D53/86 ,  B01D53/88 ,  B01D53/94 ,  B01J32/00 ,  B01J35/04 ,  B01J37/00 ,  B01J37/02 ,  F01N3/28

CPC分类号： B01D53/9454 ,  B01D53/885 ,  B01J35/04 ,  B01J37/0211 ,  B01J37/0215 ,  B01J37/0242 ,  F01N3/2803 ,  Y02T10/22

摘要： A honeycomb catalyst carrier 5 of the present invention includes: a honeycomb formed cell structure 1 which is composed of a porous material having a large number of pores and has cells each functioning as a fluid passage; and an outer wall 6 composed of a porous material disposed so as to cover an outer periphery of the cell structure 1. An impregnated part 1a impregnated with a water-insoluble organic material which disappears by burning or an inorganic material is formed in an outermost peripheral part, which has a given thickness, of the porous material of the cell structure 1.

公开(公告)号：EP1967380A4

公开(公告)日：2011-02-23

申请号：EP06834252

申请日：2006-12-01

申请人： NGK INSULATORS LTD

发明人： TOKUNAGA TAKESHI ,  HIRAI SADAAKI

IPC分类号： B41M5/382 ,  B41M5/26 ,  C04B41/49 ,  C04B41/82 ,  C09D1/00 ,  C09D5/00 ,  C09D7/12 ,  C09D11/00 ,  C09D183/00 ,  C09D185/00

CPC分类号： B41M5/262 ,  C04B41/009 ,  C04B41/49 ,  C04B41/83 ,  C09D5/00 ,  C09D11/50 ,  C04B14/20 ,  C04B41/0036 ,  C04B2103/54 ,  C04B14/042 ,  C04B14/106 ,  C04B14/06 ,  C04B35/00 ,  C04B35/195 ,  C04B38/0006

公开(公告)号：EP1657039A4

公开(公告)日：2008-12-24

申请号：EP04771720

申请日：2004-08-17

申请人： NGK INSULATORS LTD

发明人： NOGUCHI YASUSHI ,  HIRAI SADAAKI ,  MORI SHINYA ,  ICHIKAWA YUKIHITO ,  IWABUCHI MUNEYUKI

IPC分类号： B28B17/02 ,  B01D46/00 ,  B01D46/24 ,  B28B3/26 ,  F01N3/022

CPC分类号： B01D46/2418 ,  B01D46/0001 ,  B01D46/0049 ,  B01D46/2451 ,  F01N3/0222 ,  Y02T10/20 ,  Y10T428/24149

摘要： A method for manufacturing a honeycomb formed article, which comprises an admixing step of admixing two or more types of aggregate particulate materials (first admixing) to prepare a compound for forming (dry powder) and then admixing the compound with water (second admixing) to prepare a compound for forming (wet powder), and a kneading step of kneading the compound for forming (wet powder) to prepare a body. The method for manufacturing a honeycomb formed article allows the prevention of the generation of internal defects without the adoption of a complicated process or a troublesome operation, with ease and simplicity.

公开(公告)号：EP1486305A4

公开(公告)日：2007-08-29

申请号：EP03707052

申请日：2003-02-25

申请人： NGK INSULATORS LTD

发明人： HIRAI SADAAKI ,  KAWAE TAKAYUKI ,  KATO YASUSHI

IPC分类号： B01D53/86 ,  B01D53/88 ,  B01J35/04 ,  B28B11/04 ,  C04B35/195 ,  C04B35/632 ,  C04B35/636 ,  C04B38/00 ,  F01N3/28

CPC分类号： F01N3/2828 ,  B01D53/885 ,  B01J35/04 ,  C04B35/195 ,  C04B35/632 ,  C04B35/6365 ,  C04B38/0009 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2235/449 ,  C04B2235/77 ,  C04B2235/96 ,  C04B2235/9607 ,  F01N2330/06 ,  Y10T428/24149 ,  C04B38/0074 ,  C04B35/10 ,  C04B35/185 ,  C04B35/478 ,  C04B35/48 ,  C04B35/565

摘要： A ceramic honeycomb structural body, comprising a cell composite body partitioned by a plurality of partition walls of porous structure and formed of a plurality of cells forming a fluid flow passage and an outer wall of porous structure surrounding and holding the outermost peripheral cells positioned on the outermost periphery of the cell composite body, characterized in that the portions of the partition walls positioned at at least one cell opening end part of the cell composite body form a reinforced partition wall part higher in strength than those (normally partition wall parts) other than the at least one cell opening end part and having a variation in porosity per unit volume of within ± 2%, whereby a uniform and excellent erosion resistance can be provided to the entire part of the reinforced partition wall part.

公开(公告)号：EP1586547A4

公开(公告)日：2008-04-23

申请号：EP03786306

申请日：2003-12-25

申请人： NGK INSULATORS LTD

发明人： HIRAI SADAAKI ,  SHIROKI YOSHIHIRO ,  FUJII MIKIYA

IPC分类号： B01D39/00 ,  B01D39/20 ,  B01D46/24 ,  B01J21/14 ,  B01J21/16 ,  B01J35/04 ,  B01J37/02 ,  C04B35/195 ,  C04B41/50 ,  C04B41/85 ,  C04B41/87 ,  C09D7/12 ,  B01D46/00 ,  B01J32/00 ,  C09D1/00

CPC分类号： C04B41/85 ,  B01J21/14 ,  B01J35/04 ,  B01J37/0215 ,  C04B35/195 ,  C04B35/6263 ,  C04B35/6316 ,  C04B41/009 ,  C04B41/5024 ,  C04B2235/3206 ,  C04B2235/3418 ,  C04B2235/3481 ,  C04B2235/5216 ,  C04B2235/5436 ,  C04B2235/5463 ,  C04B2235/9607 ,  C04B2235/963 ,  C08K3/34 ,  C08K3/36 ,  C09D7/61 ,  C09D7/69 ,  Y10T428/24149 ,  C04B35/00 ,  C04B38/00 ,  C04B41/4596 ,  C04B41/5089 ,  C04B41/508

摘要： A coating material of the present invention is a coating material comprising: cordierite powder as a main component having a tap bulk density of 1.3 g/cm or more; and water. The coating material is capable of forming a coated wall (outer wall), for example, on the surface of a porous body formed of a ceramic in such a manner that defects such as generation of cracks, and peeling, and a manufacturing yield is satisfactory are not easily generated.

公开(公告)号：EP1704908A4

公开(公告)日：2007-10-10

申请号：EP05703545

申请日：2005-01-13

申请人： NGK INSULATORS LTD

发明人： ICHIKAWA YUKIHITO ,  HIRAI SADAAKI

IPC分类号： B01D39/20 ,  F01N3/02 ,  B01D39/14 ,  B01D46/00 ,  B01D46/24 ,  B01D53/86 ,  B01D53/94 ,  B01J35/04 ,  B28B11/00 ,  B28B11/12 ,  C04B38/00 ,  F01N13/14

CPC分类号： B01D46/2455 ,  B01D46/0036 ,  B01D46/2429 ,  B01D46/2451 ,  B01D2046/2433 ,  B01D2046/2496 ,  B01D2257/602 ,  B01J35/04 ,  C04B38/0009 ,  C04B41/009 ,  C04B41/5089 ,  C04B41/52 ,  C04B41/85 ,  C04B41/89 ,  C04B2111/00793 ,  C04B2111/0081 ,  F01N13/14 ,  F01N2330/06 ,  F01N2330/48 ,  Y02W30/92 ,  Y10T428/24149 ,  Y10T428/24165 ,  Y10T428/249961 ,  Y10T428/249975 ,  C04B35/00 ,  C04B38/0006 ,  C04B35/195 ,  C04B14/46 ,  C04B41/4582 ,  C04B41/5022 ,  C04B41/5024 ,  C04B18/082

摘要： A cell structure, wherein the heat insulating property of an outer wall part is high, the temperature rising rate of a cell structure part is high, and a temperature distribution is uniformized, and a method of easily manufacturing the cell structure. The cell structure (1) comprises the cell structure part (4) having partition walls forming a plurality of cells communicating from one end face to the other end face thereof and an outer wall part (5) disposed on the outer peripheral surface of the cell structure part (4). The outer wall part (5) comprises at least one porous layer with a porosity of 40% or higher or one porous layer having a hollow body.

公开(公告)号：EP1666120A4

公开(公告)日：2007-10-03

申请号：EP04787679

申请日：2004-09-07

申请人： NGK INSULATORS LTD

发明人： ICHIKAWA YUKIHITO ,  HIRAI SADAAKI

IPC分类号： B01J35/04 ,  F01N3/02 ,  B01D39/00 ,  B01D39/12 ,  B01D39/14 ,  B01D39/20 ,  B01D46/00 ,  B01D53/86 ,  B28B11/00 ,  B28B11/12 ,  B28B19/00 ,  C04B41/80 ,  C04B41/87 ,  C04B41/91 ,  F01N3/08 ,  F01N3/28

CPC分类号： B01J35/04 ,  B01D39/12 ,  B01D39/2068 ,  B28B19/0038 ,  F01N2330/30 ,  Y10T428/24149 ,  Y10T428/24157

摘要： A honeycomb structural body and a method of manufacturing the honeycomb structural body, the honeycomb structural body comprising a honeycomb structure part having partition walls (2) forming a plurality of cells (3) partitioned in honeycomb shapes and forming recessed parts (6) in the outer peripheral surfaces thereof and an outer wall part (5) disposed on the outer peripheral surface of the honeycomb structure part. In the honeycomb structural body, spaces are formed in the recessed parts (6) between the outer wall part (5) and the honeycomb structure part. By the honeycomb structural body and the method of manufacturing the honeycomb structural body, the lowering of temperature rising rate can be suppressed while suppressing the lowering of a mechanical strength, and the occurrence of cracks can also be suppressed.

公开(公告)号：EP1498179A4

公开(公告)日：2007-08-29

申请号：EP03717565

申请日：2003-04-11

申请人： NGK INSULATORS LTD

发明人： HIRAI SADAAKI ,  KAWAE TAKAYUKI ,  KATO YASUSHI

IPC分类号： B01D53/86 ,  B01D53/88 ,  B01D53/94 ,  B01J35/04 ,  B28B11/04 ,  C04B38/00 ,  F01N3/28 ,  C04B41/87

CPC分类号： B01D53/9454 ,  B01D53/885 ,  B01J35/04 ,  F01N3/2828 ,  F01N2260/14 ,  F01N2260/18 ,  F01N2330/34 ,  Y02A50/2324 ,  Y02T10/22 ,  Y10T428/24149

摘要： The ceramics honeycomb structure of the present invention is formed of a plurality of cells forming a fluid flow passage partitioned by porous partition walls, and comprising an inflow end part allowing fluid to flow therein, an outflow end part allowing fluid to flow therefrom, and an outer peripheral part including an outer peripheral surface, and is characterized by having a structure where a porosity per unit volume (cm ) gradually increases from the inflow end part side to the outflow end part side at a rate of 0.2%/mm or less, and this ceramics honeycomb structure has an excellent erosion resistance of partition walls positioned at a cell opening end part and a high compressive strength (isostatic strength) at the time of canning, and is suitable particularly as an automobile exhaust gas purification catalyst carrier.

公开(公告)号：EP1547743A4

公开(公告)日：2006-05-17

申请号：EP03741502

申请日：2003-07-18

申请人： NGK INSULATORS LTD

发明人： HIRAI SADAAKI

IPC分类号： B28B11/04 ,  B01D53/86 ,  B01D53/88 ,  B01D53/94 ,  B01J35/04 ,  C04B35/195 ,  F01N3/022 ,  F01N3/28

CPC分类号： F01N3/2828 ,  B01D53/86 ,  B01D53/885 ,  B01J35/04 ,  C04B35/195 ,  C04B35/6264 ,  C04B35/63 ,  C04B35/632 ,  C04B35/63408 ,  C04B35/63416 ,  C04B35/63488 ,  C04B2235/6021 ,  C04B2235/77 ,  C04B2235/96 ,  F01N2260/18 ,  F01N2330/06 ,  F01N2510/06

摘要： A method for manufacturing a honeycomb structure wherein a formed article of a honeycomb shape having a plurality of partition walls is manufactured by the use of a body containing a ceramic raw material as a main component, a partition wall reinforcing agent is attached to said plurality of partition walls present in end portions of cell openings on at least one side of the formed article, and then the article is fired, which comprises using, as the partition wall reinforcing agent, a dispersion prepared by admixing a partition wall reinforcing material with a dispersion medium containing an amphipathic liquid compound having both a hydrophilic group and a hydrophobic group as a main component. The method allows the stable manufacture of a honeycomb structure excellent in isostatic strength and erosion resistance, with great improvement of productivity and significant lowering of the production cost thereof.

摘要翻译： 一种蜂窝结构体的制造方法，其特征在于，使用以陶瓷原料为主要成分的主体，制造具有多个隔壁的蜂窝状成型体，在所述多个 在成形品的至少一个面上的单元开口的端部存在隔壁，然后烧成物品，该方法包括使用通过混合分隔壁增强材料与分散体制成的分散体作为分隔壁增强材料 含有具有亲水基团和疏水基团的两亲性液体化合物作为主要组分的培养基。 该方法能够稳定地制造均衡强度和耐侵蚀性优异的蜂窝结构体，生产率大大提高并且生产成本显着降低。