Patent application number | Description | Published |
20090061040 | DIE FOR FORMING HONEYCOMB STRUCTURE - A plate-like shape die | 03-05-2009 |
20100209546 | DIE FOR FORMING HONEYCOMB STRUCTURE - A diel for forming the honeycomb structure includes: a plate-like die main body 4 including an introducing portion 3 provided on the side of one surface thereof and having a plurality of back holes 7 and a forming portion 2 provided on the side of the other surface thereof and having slits 6; and a back plate 5 detachably attached to the surface of the introducing portion 3 and having a plurality of through holes 9 connected to the back holes 7 of the introducing portion 3. Through hole opening portions 12 of the through holes 9 formed in the back plate 5 in the one surface of the die main body have such an enlarging shape as to enlarge toward the one surface of the die main body. The diel for forming the honeycomb structure can decrease the resistance of a forming material during extrusion. | 08-19-2010 |
20100244309 | DIE FOR FORMING HONEYCOMB STRUCTURE AND MANUFACTURING METHOD OF THE SAME - A die for forming a honeycomb structure, comprising a platy die base member having a clay supply face on back surface thereof and including a plurality of introduction holes for introducing a mixed raw material for forming; and a clay forming face on upper surface including a plurality of slits for extrusion of the material being connected to the introduction holes and formed lattice-like partition regions; at least a part of lattice-like partition regions being provided in such a position that the extended line of at least part of a plurality of lattice-like regions overlap with the slits at edges thereof as top view, slits including inner peripheral slits formed in the inner peripheral region, and outer peripheral slits formed in the outer peripheral region surrounding the inner peripheral region and having a width-enlarged portion having a width larger than that of the inner peripheral slit, and production method thereof. | 09-30-2010 |
20110233171 | METHOD FOR MANUFACTURING HONEYCOMB STRUCTURE FORMING DIE - There is provided a method for manufacturing a honeycomb structure forming die including a liquid groove forming step for forming linear processing liquid grooves | 09-29-2011 |
20110233186 | METHOD FOR MANUFACTURING HONEYCOMB STRUCTURE FORMING DIE - There is provided a method for manufacturing a honeycomb structure forming die, the method includes: an introduction hole forming step for forming, in plate-shaped die substrate having one side end face and the other side end face, a plurality of introduction holes for introducing kneaded clay on the other side end face to function as a kneaded clay introduction face, and a slit forming step for forming slits communicating with the introduction holes in order to form the partition walls of the honeycomb structure by extruding the kneaded clay by performing a comb-like electro-discharge machining by a comb-like electrode | 09-29-2011 |
20120152908 | ELECTRODE FOR HONEYCOMB STRUCTURE FORMING DIE - [Problems] To provide an electrode which enables obtaining a die including thin or narrow slits by electric discharge machining and which does not easily cause breakage or deformation in the die during the electric discharge machining. | 06-21-2012 |
20120174397 | MANUFACTURING METHOD OF ELECTRODE FOR HONEYCOMB STRUCTURE FORMING DIE - By providing a manufacturing method of an electrode for a honeycomb structure forming die including: preparing a thick plate-like electrode base body made of an electricity discharging material and having two surfaces; making a plurality of holes in the electrode base body at positions corresponding to flow-through cells; inserting processing electrodes into the holes, and discharging electricity from the insides of the holes toward side surfaces of the holes of the electrode base body to process the side surfaces of the holes of the electrode base body into shapes corresponding to the porous partition walls; whereby obtaining an electrode where a plurality of electrode cells partitioned by electrode partition walls appear on at least one of the surfaces thereof. | 07-12-2012 |
20120175349 | MANUFACTURING METHOD OF ELECTRODE FOR HONEYCOMB STRUCTURE FORMING DIE - By providing a manufacturing method of an electrode for a honeycomb structure forming die including: arranging a plurality of processing electrodes | 07-12-2012 |
20150047622 | CUTTING METHOD OF HONEYCOMB FORMED BODY - A cutting method of a honeycomb formed body is provided. This is a cutting method of a honeycomb formed body in which, while a kneaded material containing a ceramic raw material is extruded to form a honeycomb formed body with a honeycomb shape having partition walls defining and forming a plurality of cells, the extruded honeycomb formed body is cut before drying by a cutting blade vibrated at a frequency of 0.3 kHz or more in a direction perpendicular to a direction in which this honeycomb formed body moves. It is preferably a cutting method of a honeycomb formed body in which the cutting blade is vibrated at a high frequency of 10 kHz or more. | 02-19-2015 |
Patent application number | Description | Published |
20090200712 | METHOD FOR PRETREATING HONEYCOMB FORMED ARTICLE BEFORE FIRING AND SYSTEM FOR PRETREATING HONEYCOMB FORMED ARTICLE BEFORE FIRING - A method for pretreating an unfired honeycomb formed article of a raw material composition containing a ceramic raw material, water, and a binder and having a plurality of cells separated by partition walls and functioning as fluid passages before firing. The method has a first step of passing superheated steam having a temperature of 100 to 150° C. through the cells to raise temperature of the honeycomb formed article and then maintaining the temperature of the superheated steam at the temperature of the superheated steam passed through the cells or more and 200° C. or less. The method can provide a pretreatment to a honeycomb formed article in a shorter time with inhibiting generation of a defect such as a deformation or a damage. | 08-13-2009 |
20090313846 | METHOD OF DRYING HONEYCOMB FORMED ARTICLE - A method of drying a honeycomb formed article, in which the honeycomb formed article can be dried in a short time while prohibiting occurrence of defects such as deformation, breakage and the like. There is provided a drying method of an unfired honeycomb formed article including raw material composition containing ceramics raw material, water, and binder, and having a plurality of cells, the cells being separated by partition walls to be passage of fluid, and electromagnetic wave drying is performed to dry the honeycomb formed article after the honeycomb formed article is preheated by steam. | 12-24-2009 |
20090320315 | METHOD OF DRYING HONEYCOMB ARTICLE, AND DRYING APPARATUS THEREFOR - The drying method performs drying the honeycomb formed article by such an arrangement that superheated steam or mixed gas of steam and hot air, temperature and humidity of which is regulated so that wet-bulb temperature thereof becomes 70° C. or higher, is made to pass through the cells of the honeycomb formed article. The drying apparatus includes a steam supply unit that supplies the superheated steam, a buffer chamber that aligns the superheated steam supplied from the steam supply unit, an upper chamber disposed above the buffer chamber to locate the honeycomb formed article, and a hood unit that recovers the superheated steam which has passed through the honeycomb formed article. | 12-31-2009 |