Abstract: A drying apparatus including a conveying member configured to convey an item to be dried, a plurality of microwave irradiation portions disposed alternately at an upper side and a lower side of the conveying member, and a plurality of hot air blowing portions. The microwave irradiation portions are configured to irradiate the item to be dried with microwaves in an alternating manner from the upper side and the lower side. The hot air blowing portions are configured to apply hot air to the item to be dried in parallel with irradiation of the microwaves by the microwave irradiation portions.

Abstract: A molded body treating apparatus includes a support, at least one flat plate and a first movement mechanism. The support is configured to support a honeycomb molded body which has a first end portion and a second end portion in a longitudinal direction of the honeycomb molded body and which includes a plurality of cells each extending along the longitudinal direction from a first end at the first end portion to a second end at the second end portion. Either the first end or the second end of each of the plurality of cells is sealed with a plug material paste. The first movement mechanism is configured to move the at least one flat plate along the longitudinal direction to press the either one of the first and second end portions.

Abstract: A method for manufacturing a honeycomb structure includes producing a pillar-shaped honeycomb molded body in which a plurality of cells are placed in parallel with one another in a longitudinal direction with a cell wall therebetween by molding a ceramic raw material; and producing a honeycomb fired body by carrying out a single or a plurality of treatments including at least a firing treatment on the honeycomb molded body. The method further includes temporarily storing the treated honeycomb molded body on which the single or plurality of treatments have been carried out in a molded body storage container; taking out the treated honeycomb molded body placed in the molded body storage container from the molded body storage container; and conveying the taken-out honeycomb molded body to a subsequent process.

Abstract: A drying jig circulating apparatus includes a drying jig assembling apparatus for assembling a drying jig on a movable table, a drying apparatus for drying a ceramic molded body held by the drying jig, and a drying jig disassembling apparatus for disassembling the drying jig on a movable table, and a drying jig circulating conveyor for transporting the drying jig from the disassembling apparatus to the assembling apparatus. The drying jig is configured by two or more separate jigs with a fixing member that integrates the separate jigs, or formed by one openable jig with a fixing member for maintaining a closed state. The drying jig assembling apparatus further includes a molded body mounting mechanism, a ceramic molded body holding mechanism, and a jig delivering mechanism. The drying jig disassembling apparatus further includes a jig receiving mechanism, a jig releasing mechanism, and a molded body taking-out mechanism.

Abstract: A wet mixing apparatus includes a disc and a casing. The disc has a circular plate-shaped structure, is equipped with a vertically placed rotary shaft member as a central axis and has a plurality of agitation blades provided on a side face of the disc. The casing is provided with a raw material feeding port and a mixture discharging port. The raw material feeding port is disposed above the disc and the mixture discharging port is disposed below the disc.

Abstract: The method for manufacturing a honeycomb structure includes preparing a material composition containing at least a silicon carbide powder, a binder and an additive; molding the material composition to form a pillar-shaped honeycomb molded body in which a number of cells are placed in parallel with one another in a longitudinal direction with a cell wall therebetween; carrying out a degreasing treatment on the honeycomb molded body; and carrying out a firing treatment on the honeycomb degreased body to manufacture a honeycomb fired body. The additive contains at least one kind selected from the group consisting of alumina, silica, titania, zirconia, magnesia, and a chemical composite containing any of alumina, silica, titania, zirconia and magnesia.

Abstract: A method for manufacturing a honeycomb structure having a low pressure loss and a high strength includes preparing a material composition containing a silicon carbide powder, a binder and an additive; molding the material composition to manufacture a pillar-shaped honeycomb body molded having cells disposed in parallel with one another and in a longitudinal direction; carrying out a degreasing treatment on the honeycomb molded; and carrying out a firing treatment on the honeycomb degreased body to manufacture a honeycomb fired body. The silicon carbide powder of the material composition contains a silicon carbide coarse powder and a silicon carbide fine powder having an average particle diameter (D50) smaller than that of the silicon carbide coarse powder, and the additive contains a metal oxide power. An amount of the metal oxide powder in the material composition is in the range of about 0.8 to about 4.0% by weight.

Abstract: An extrusion-molding machine according to the present invention comprises: a screw having a blade portion for extruding a molding material, the screw disposed in a tightly-closed space; and a die for molding an extruded molding material, wherein the space is maintained in a reduced-pressure atmosphere, and a high-hardness coat layer is formed at least on the blade portion.

Abstract: A molded body cutting apparatus according to the present invention comprising a first conveyer member that conveys an extrusion-molded pillar-shaped ceramic molded body a cutting member that moves in a direction parallel to a movement direction of the above mentioned first conveyer member while moving also in a vertical direction, and cuts the above mentioned ceramic molded body to a predetermined length by passing through the interior of the above mentioned ceramic molded body and a second conveyer member that conveys a cut ceramic molded body cut to a predetermined length by the above mentioned cutting member, wherein a conveyance speed of the above mentioned first conveyer member and a movement speed of the above mentioned cutting member in the above mentioned parallel direction are almost the same, before the above mentioned ceramic molded body is cut, and each of the conveyance speed of the above mentioned first conveyer member, the movement speed of the above mentioned cutting member in the above mentio

Abstract: A method for mixing powder according to the present invention is a method for mixing powder by conducting mixing and transporting of at least one kind of powder, comprising: charging said at least one kind of powder into an agitation apparatus; and translating said at least one kind of powder while mixing the powder by rotating an agitation shaft of said agitation apparatus, said agitation apparatus comprising: a screw comprised of the agitation shaft and an agitating blade, said screw configured to rotate along with the said agitation shaft as the center; and, a casing surrounding said screw, wherein either the entire body of said agitating blade is formed of a high hardness member, or, a high hardness coat layer is formed onto at least a portion of said agitating blade.

Abstract: A degreasing jig according to the present invention is a degreasing jig for degreasing of a ceramic molded body containing a ceramic powder, a binder, and a dispersion medium, comprising a bottom plate for placing the ceramic molded body thereon, and an air-permeable cover member provided in a manner to cover the ceramic molded body.

Abstract: A reverse cleaning regeneration type exhaust emission control device includes two exhaust emission routes communicated with an inlet port of an exhaust emission path. The device includes first path A having a filter A1, a valve A2 and a nozzle A3 and a second path B having a filter B1, a valve B2 and a nozzle B3, and a third path C arranged at an upstream side of the filters A1 and B1 separately from the exhaust emission path extending from the inlet port of the exhaust emission and having a filter C1, a valve C2 and a nozzle C3. The reverse cleanings of the filters A1 and B1 are alternately carried out during the working of the device.

Abstract: Ceramic structural body having improved material properties of a sealing member, such as adhesion properties at room temperature and high temperature, and having an improved durability. The ceramic structural body comprises an assembly of plural united ceramic members each having a plurality of through-holes arranged side by side along a longitudinal direction, in which end faces at either side of these through-holes are closed in a checkered pattern so as to have a reverse relation of open and close between gas inlet side and gas outlet side and adjacent through-holes are permeable to each other through porous partition walls. A plurality of the ceramic members are integrally adhered by interposing a sealing member of an elastic material comprising at least inorganic fibers, an inorganic binder, an organic binder and inorganic particles and mutually bonded three-dimensionally intersected organic fibers and inorganic particles through the inorganic binder and organic binder between the mutual ceramic members.