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| Number | Title | Issue Date |
| 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 |
| 7276202 | Method of manufacturing ceramic bottle for plastic cork The present invention forms screw-like projection at the entrance of ceramic bottle and enables air-tightening with plastic cork, formed with screw-like projection in its body. It guarantees air tightening of ceramic bottle, and does not use imported cork, which dec... | 10/02/2007 |
| 7235505 | Carbide and nitride ternary ceramic glove and condom formers A slip-cast article former containing ternary ceramics, particularly of carbide and nitride materials, having the formula Mn+1AXn(MAX), where M is a transition metal, A is an element from Groups IA and IVA of the periodic table, X is nitrogen o... | 06/26/2007 |
| 6913716 | Method for manufacturing homogeneous green bodies from the powders of multimodal particle size distribution using centrifugal casting Disclosed is a method for manufacturing composite granules having a homogeneous particle distribution, comprising powders of multimodal particle size distribution and phenol resins, and a method for manufacturing green bodies having homogeneous microstructure withou... | 07/05/2005 |
| 6905644 | Process and device for producing components and semifinished products from synthetic graphite or ceramic granules, in particular for producing graphite tubes This invention relates to a process and a device for producing components and semi-finished products from synthetic graphite or from ceramic granules, in particular for producing graphite tubes, involving shaping of a material to be mixed preferably containing petro... | 06/14/2005 |
| 6543913 | Porcelain object and fabrication method A method of fabricating a porcelain object comprising creating a mold, pouring a first layer of porcelain into the mold, drying the procelain at least partially, applying color to the first porcelain layer, pouring a second layer of porcelain into the mol... | 04/08/2003 |
| 6489017 | Molding method for ceramics and metals in aqueous systems by means of temperature variation The invention relates to a method for producing a solid molded article, in particular a ceramic and/or metallic article made of pulverized particles. The invention also relates to stable dispersions of pulverized particles in an aqueous fluid medium, soli... | 12/03/2002 |
| 6428725 | Method for producing completely ceramic structures in the field of dentistry The invention relates to a method for producing crowns etc. by producing a frame, for example, made of alumina, whereby a film (6) is shrink-fitted on the die (3) of a working model. The film (6) is provided with a slip and the slip is baked on a frame af... | 08/06/2002 |
| 6331267 | Apparatus and method for molding a core for use in casting hollow parts A mold for molding a core for use in casting hollow parts includes, a lower mold portion and an upper mold portion defining therein a cavity corresponding to the outer surface of the core. The lower mold portion includes a cutout disposed along a parting ... | 12/18/2001 |
| 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 |
| 6158248 | Fused-cast-alumina-zirconia-silica refractory, methods of making it and glass melting furnace employing it A fused-cast-alumina-zirconia-silica refractory consisting essentially of corundum crystals, baddeleyite crystals and a matrix glass phase and having a chemical composition comprising (a) from 30 to 70 wt % of Al2 O3, (b) from 20 to ... | 12/12/2000 |
| 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 |
| 5914086 | Method of manufacturing structured mouldings A method of manufacturing a flat, glass-like or ceramic moulding having a structured surface, in which a rotationally symmetrical, moist green body is manufactured from a suspension of a highly dispersed, powdered solid material and a dispersing agent by ... | 06/22/1999 |
| 5868993 | Process for applying color to clay A process for applying color to an article made of clay. Color can be applied to such diverse articles as pottery, earthenware, figurines, ceramics, porcelains, china, tiles domes and other decorative roofings. The application of color to clay articles is... | 02/09/1999 |
| 5788891 | Method for the forming of ceramic green parts The well known slip casting process for the production of ceramic green parts, in which hardening is achieved by water removal with porous molds, is characterized by disadvantages in terms of strength, shrinkage during drying and problems with cracking du... | 08/04/1998 |
| 5738819 | Method for making ceramic shell molds and cores A process for making a casting mold or core utilizes a refractory composition including a slurry of yttria, an acid and an organic solvent. The composition is applied to a mold or pattern, dried, and fired to produce a mold or a layer of a mold or core. T... | 04/14/1998 |
| 5674793 | Method for producing a high-strength, high-toughness silicon nitride sinter A method for the production of a high-strength high-toughness silicon nitride sinter includes the steps of mixing a silicon nitride powder with a sintering additive, adding to the resultant mixture as seed particles 0.1 to 10% by volume, based on the amou... | 10/07/1997 |
| 5447666 | Method of forming radiant fiber burner A method of forming a burner for a gaseous mixture of fuel and an oxidant mixes a random mix of refactory fibers, the fibers being predominantly alumina and silica, and then forms a burner body from the fiber mix. Passageways are then formed in the burner... | 09/05/1995 |
| 5419860 | Casting of particle-based hollow shapes A method for the production of hollow articles made of a particle-based material; e.g., ceramics and sintered metals. In accordance with one aspect of the invention, a thermally settable slurry containing a relatively high concentration of the particles i... | 05/30/1995 |
| 5171735 | Method of forming hollow metal oxide superconductors (MOS) and the like by polymer-metal-complex (PMC) techniques and novel hollow MOS structures produced thereby A method for forming a high Tc metal oxide superconductor in the form of a hollow fiber. The method includes the steps of: forming a polymer-metal complex precursor; filling a decomposable hollow fiber mold with the precursor; and heating the f... | 12/15/1992 |
| 5039629 | Hybrid ceramic composition and process for its manufacture A hard, corrosion resistant, non-porous hybrid ceramic material is fabricated from a greenware article comprised of a refractory powder, glass frit, and an acidic phosphate compound. The greenware article does not liquify during firing and hence retains s... | 08/13/1991 |
| 5013501 | Method of proudcing ceramic manifolds for thermally insulating exhaust channels In a method for effectively producing ceramic manifolds for thermally insulating exhaust channels, an intermediate product is first formed by drain casting which includes a main ceramic pipe having a plurality of branch pipes extending therefrom whose end... | 05/07/1991 |
| 4690790 | Silicon nitride/silicon carbide composition and articles thereof Corrosion and thermal shock resistant high silicon nitride content silicon nitride-bonded silicon carbide article, e.g., nozzle for transfer of molten metal, is prepared by combining finely divided silicon metal, silicon carbide grain with processing aids... | 09/01/1987 |
| 4387067 | Ceramic arc tube of metal vapor discharge lamps and a method of producing the same The disclosed ceramic arc tube of metal vapor discharge lamps has an arc discharge portion with electrode-holding end portions integrally formed at opposite ends thereof. The outside diameter of the arc discharge portion is larger than that of the electro... | 06/07/1983 |
