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| Number | Title | Issue Date |
| 7371451 | Sandwich type construction structural panel having foam tube core A structural panel comprised of a plurality of distinct layers of cylindrical foam elements each covered with a fiber-reinforced composite material. The cylindrical foam elements are arranged in layers such that the elements of adjacent layers are arranged non-paral... | 05/13/2008 |
| 7360309 | Method of manufacturing microchannel heat exchangers A heat exchanger device includes an extruded body that includes one or more layers of channels for coolant flow therethrough, the channels generally having inner diameters of between about 50 microns to about 2000 microns. The device is formed of a material having a... | 04/22/2008 |
| 7351364 | Method of manufacturing a hybrid structure A method of manufacturing a hybrid structure (100) having a layer of CMC material (28) defining an interior passageway (24) and a layer of ceramic insulating material (18) lining the passageway. The method includes the step of casting the... | 04/01/2008 |
| 7326046 | Multi-layer porous member for a post-molding molded article conditioning apparatus A cooling tube assembly for operating on a malleable molded plastic part. The cooling tube assembly comprising a porous tube/insert having a profiled inner conditioning surface, and a vacuum structure configured to cooperate with the porous tube. In use, the vacuum ... | 02/05/2008 |
| 7323134 | Method of forming inert anodes A method of making an inert anode (12′) for use in an electrochemical cell first provides a hollow shaped mold (12) where a metal mandrel (17′) having raised male threads (50) at its top diameter (52) is inserted into the mold ... | 01/29/2008 |
| 7278460 | Ceramic casting core and method A ceramic core for use in casting an article such as for example an airfoil, wherein the ceramic core has a pocket located at or near a region of the core that is otherwise associated with occurrence of a localized casting defect in the cast article. A covering is d... | 10/09/2007 |
| 7276203 | Process for producing hollow comprising fiber-reinforced ceramic materials A process for producing hollow bodies comprising fiber-reinforced ceramic materials, in which a green body comprising compressible cores and a mouldable composition comprising binders and fiber material which is pressed with compression of the core is produced, the ... | 10/02/2007 |
| 7238308 | Process for the infiltration of porous carbon composites A process form producing ceramic composites comprising metal carbides, which comprises the steps production of a porous carbon-containing intermediate body, infiltration of the intermediate body with the melt of a carbon-forming metal, reaction of at least part of t... | 07/03/2007 |
| 7234506 | Ceramic casting core and method A ceramic core for use in casting an article such as for example an airfoil, wherein the ceramic core has a pocket located at or near a region of the core that is otherwise associated with occurrence of a localized casting defect in the cast article. A covering is d... | 06/26/2007 |
| 7226558 | Method of making an expanded polytetrafluoroethylene structure A high density microwall ePTFE structure and a method for making, involving the manipulation of a standard extruded ePTFE graft. The final product has the desired characteristics of high density, reduced wall-thickness, above-average radial strength and enhanced sut... | 06/05/2007 |
| 7138083 | Method of producing arc tube body To form an arc tube body including a main tube portion to be a discharge space and thin tube portions for accommodating electrodes, a core (6) is disposed in a hollow space formed by a pair of arc tube body formation molds (7) and (8) and therea... | 11/21/2006 |
| 7112301 | HIP manufacture of a hollow component Forming a hollow structure having an internal coating includes the steps of placing a core shaped to form the internal surface of the structure in a mould, filling the mould with a material powder, hot isostatically pressing the powder about the mould to consolidate... | 09/26/2006 |
| 7093645 | Ceramic casting core and method A ceramic core for use in casting an article such as for example an airfoil, wherein the ceramic core has a pocket located at or near a region of the core that is otherwise associated with occurrence of a localized casting defect in the cast article. A covering is d... | 08/22/2006 |
| 7004230 | Investment casting shells and compositions including rice hull ash Incorporation of rice hull ash into investment casting shell molds improves the permeability, shell build thickness, and/or shell build uniformity of the molds. A method to make the molds entails mixing refractory filler, rice hull ash, and preferably a fiber to for... | 02/28/2006 |
| 6974516 | Method of making laminate thin-wall ceramic tubes and said tubes with electrodes, particularly for solid oxide fuel cells A method of fabricating a ceramic tube with electrodes thereon suitable for use as a tubular reaction chamber for a fuel cell. In one embodiment, the method includes wrapping a first electrode material around a mandrel, then wrapping a green ceramic material over th... | 12/13/2005 |
| 6939505 | Methods for forming articles having very small channels therethrough, and such articles, and methods of using such articles Channeled articles having very small diameter channels spaced very closely can be made by packing elongated cores in a fixture, clamping them, and then introducing matrix material around the cores. The matrix material is formed into a unitary body and solidified. Th... | 09/06/2005 |
| 6925811 | High temperature combustor wall for temperature reduction by optical reflection and process for manufacturing A high temperature gas turbine component for use in the gas flow path that also is a specular optical reflector. A thin layer of a high temperature reflector is applied to the flow path surface of the component, that is, the surface of the component that forms a bou... | 08/09/2005 |
| 6858174 | Process for casting ceramic materials A process for producing ceramic, or ceramic composite, components having microfeatures by creating a chemical reaction in a castable slurry to bond nano-sized or submicron-sized ceramic powders. The bonding process that gives coherency and strength to the material c... | 02/22/2005 |
| 6695940 | Laminate thin-wall ceramic tubes, including with integral stress wrappings, thickened ends and/or internal baffles, particularly for solid oxide fuel cells Very thin cast ceramic tape, preferably approximately 12 μm in thickness, is wrapped, preferably in a reversing spiral or helix, around a mandrel, preferably a mandrel made of steel and coated with a wax releasing agent, for so many times, preferably fiv... | 02/24/2004 |
| 6638468 | Method of reducing the wall thickness of a PTFE tube A thin wall PTFE tube is formed from an extruded green tube. The PTFE tube includes an inner tubular surface and an opposed outer tubular surface defining a tubular wall of a first thickness. The tubular wall is compressed to uniformly reduce the wall-thi... | 10/28/2003 |
| 6558597 | Process for making closed-end ceramic tubes A process for forming an end cap in an extruded ceramic tube. An end cap forming cavity of an end cap forming die is positioned so that, when the body of the end cap forming die is situated against an extrusion die, ceramic material is able to be forced i... | 05/06/2003 |
| 6555048 | Method for manufacturing tube-shaped silica glass product A silica product, method and apparatus for manufacturing a tube-shaped silica glass product using a molded green body having a hollow rod structure. A molded green body having a hollow rod structure has a uniform outer diameter and has a bore having an in... | 04/29/2003 |
| 6524421 | Cold isopressing method A cold isopressing method in which two or more layers of material are formed within an isopressing mold. One of the layers consists of a tape-cast film. The layers are isopressed within the isopressing mold, thereby to laminate the layers and to compact t... | 02/25/2003 |
| 6503441 | Method for producing melt-infiltrated ceramic composites using formed supports A method for producing shaped articles of ceramic composites provides a high degree of dimensional tolerance to these articles. A fiber preform is disposed on a surface of a stable formed support, a surface of which is formed with a plurality of indentati... | 01/07/2003 |
| 6428740 | Method of removing cores from ceramic matrix composite articles A method of removing a core from a CMC component in which the core was used to form an internal cavity. According to one embodiment of the invention, the core is removed from a fully densified CMC component by heating the component and core to a temperatu... | 08/06/2002 |
| 6372165 | Cold isopressing method A cold isopressing method in which first and second layers of at least two layers are formed within an isopressing mold and the second of the layers is isostatically pressed against the first of the layers to compact the second layer. The layers can be fo... | 04/16/2002 |
| 6350404 | Method for producing a ceramic part with an internal structure A method for forming a ceramic part with an internal structure includes aqueous slip-casting and a polystyrene foam insert. An aqueous slurry is poured over the insert to form a green body. The insert is shaped to produce the desired internal structure up... | 02/26/2002 |
| 6274078 | Method of removing cores from ceramic matrix composite articles A method of removing a core from a CMC component in which the core was used to form an internal cavity. According to one embodiment of the invention, the core is removed from a fully densified CMC component by heating the component and core to a temperatu... | 08/14/2001 |
| 6238617 | Method for forming a ceramic matrix composite turbocharger housing A heat-resistant, thermally insulative, ductile turbocharger housing for an internal combustion engine having a structure comprised at least partially of fiber reinforced ceramic matrix composite (FRCMC) material. The FRCMC material includes a polymer-der... | 05/29/2001 |
| 6210625 | Method for producing granulated material The invention is a method of making a novel spherical form of granulated products that can be effectively used in various product forms in drug, fertilizer, foodstuff, feed, agricultural chemical, catalyst, ceramics, powder metallurgy, detergent, plastic,... | 04/03/2001 |
| 6180054 | Process for making ceramic hot gas filter A ceramic hot-gas candle filter having a porous support of filament-wound oxide ceramic yarn at least partially surrounded by a porous refractory oxide ceramic matrix, and a membrane layer on at least one surface thereof. The membrane layer may be on the ... | 01/30/2001 |
| 6120713 | Method of making a casting mould having a cellular structure A method of making a ceramic casting mould contains forming a contact layer on a disposable wax-type pattern of the article to be cast, placing the pattern in a preparation mould for defining the outer shape of the casting mould and filling the cavity for... | 09/19/2000 |
| 6083452 | Near net shape fabrication of ceramic radomes A radome is fabricated by mixing a mass of ceramic powders, a dispersant chemical, a prepolymer material, and a solvent together to form a casting mixture, which is then cast into a mold having the shape of a radome. The prepolymer material in the casting... | 07/04/2000 |
| 6010655 | Method of making a ceramic ornament having short undercuts on surface thereof A method of making a ceramic ornament having short undercuts on a surface. A primary clay body is molded into a primary resin body by a silicone mold assembly. The primary resin body is then used to make upper and lower silicone mold assemblies. After sli... | 01/04/2000 |
| 5993725 | Method of forming complex-shaped hollow ceramic bodies A method of forming hollow bodies of ceramic material suitable for use as the discharge vessels of high intensity discharge lamps includes forming a fugitive core of substantially pure graphite having a configuration matching the interior configuration of... | 11/30/1999 |
| 5993985 | Fuel cell tubes and method of making same A method of manufacturing porous ceramic tubes for fuel cells with improved properties and higher manufacturing yield is disclosed. The method involves extruding a closed end fuel cell tube, such as an air electrode of a solid oxide fuel cell, in which th... | 11/30/1999 |
| 5985186 | Method of preparing tubular ceramic articles A method of making a ceramic tube of silicon and silicon carbide comprising the steps of covering a mandrel with carbon fiber material; infiltrating the carbon fiber material with a thermoset resin; curing the resin to render the carbon fiber material rig... | 11/16/1999 |
| 5972274 | Making of ceramic tube A conductive wire is electrically heated in a gas atmosphere, wherein a gas reacts with a constituent material of the conductive wire, under gravity-free or micro gravity state. A ceramic is formed on a surface of the wire sa an outer core through a react... | 10/26/1999 |
| 5972269 | Method of forming cavities in ceramic or metal injection molded parts using a fugitive core A method of injection molding ceramic or metal parts having an internal cavity or other complicated shape. A fugitive core is formed of a particulate and a first binder. The core is then suspended in a conventional injection molding cavity. The part is th... | 10/26/1999 |
| 5881449 | Method of making a microceramic electromagnetic light shutter A method of making a microceramic electromagnetic light shutter, includes forming a micromolded bottom ceramic portion in the green state with a sacrificial fiber having a first and second end portion and being shaped in the form of a coil, mounted on its... | 03/16/1999 |
