Patents Examined by Carlos Lopez
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Patent number: 7281394Abstract: In a method of manufacturing a glass substrate for an information recording medium including a step for chemically strengthening the glass substrate by contacting the glass substrate with chemical strengthening processing liquid containing chemical strengthening salt, concentration of Fe and Cr is 500 ppb or less in said chemical strengthening salt, respectively. The concentration may be detected by the use of an ICP (Inductively Coupled Plasma) emission spectrometry analyzing method or a fluorescent X-ray spectroscopy analyzing method.Type: GrantFiled: January 8, 2003Date of Patent: October 16, 2007Assignee: Hoya CorporationInventors: Hiroaki Ikeda, Masaru Suzuki, Kazuna Sasaki, Yumi Mukai, Jun Ozawa
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Patent number: 7279126Abstract: A novel process for manufacturing of injection molded metal, ceramic, and CERMET parts, in a manner amenable to high-volume, low-cost manufacturing, comprising the steps of forming a mechanical mixture of metal and/or ceramic powders at room temperature, a binder and a liquid carrier, said carrier being a solvent for the binder at elevated temperature; supplying the as-mixed components to the inlet hopper of an injection molding machine or extruder; molding or extruding green parts; and then drying and sintering the green parts to obtain net or near-net-shape finished metal, ceramic or CERMET parts.Type: GrantFiled: April 18, 2003Date of Patent: October 9, 2007Inventor: Robert Craig Morris
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Patent number: 7276203Abstract: 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 green body is cured and carbonized and pyrolysed by heating in a nonoxidizing atmosphere and, if desired, the body is silicized, hollow bodies produced in this way and their use, in particular as brake and clutch disksType: GrantFiled: December 18, 2003Date of Patent: October 2, 2007Assignee: Audi AGInventors: Arno Sommer, Dieter Huber, Dunja Straub
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Patent number: 7275397Abstract: Disclosed are high temperature free-flow mold for the production of near net-shape silica articles and method for the production of near net-shape silica articles. The mold is preferably made of graphite, preferably coated with SiC on the surfaces of the mold cavity. The mold and the process use no or less refractory elastic materials than that disclosed in the prior art, and does not alter or contaminate the glass composition. The mold the process are particularly suitable for the production of high purity silica articles for use in VUV and EUV lithographic devices.Type: GrantFiled: May 21, 2004Date of Patent: October 2, 2007Assignee: Corning IncorporatedInventors: Terry L. Taft, Gary W. Wise
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Patent number: 7275548Abstract: Cigarettes manufactured using modified automated cigarette making apparatus can possess smokable rods having additive materials applied to paper wrapping materials as patterns. The additive materials can be applied to a continuous paper web using rollers.) One of those rollers can have a series of pockets in its roll face to receive additive formulation from a reservoir and to define the pattern of the formulation on the paper. The additive material in the recessed pockets of a first roller can be transferred in a controlled manner to a second roller and from the second roller to desired locations on the paper web. The additive material can also be applied to a transfer roller, transferred from the transfer roller to pick-up roller, transferred from the pick-up roller to an application roller, and transferred to the paper web that passes between the application roller and a back-up roller.Type: GrantFiled: August 22, 2003Date of Patent: October 2, 2007Assignee: R.J. Reynolds Tobacco CompanyInventors: Lloyd Harmon Hancock, Vernon Brent Barnes, Carl Carlton Greene, Jr.
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Patent number: 7273581Abstract: The present invention relates to an improved process for in-situ preparation of alumina-(Ti,Zr) borides composite. The present invention particularly relates to fast and in-situ process for synthesis and consolidation of Al2O3—Zr/Ti B2 composites of approximate-95% density with controlled grain-growth in the range of less than or the order of 5 micrometer or less grain size using a dynamic Self propagating high temperature synthesis (SHS) process.Type: GrantFiled: September 7, 2004Date of Patent: September 25, 2007Assignee: Council of Scientific and Industrial ResearchInventors: Suman Kumari Mishra, Vladimir Andreevich Shcherbakov
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Patent number: 7258825Abstract: A filtering body is obtained for particulate of diesel engines, consisting of a ceramic foam that is produced, starting from a ceramic-material powder-based suspension (slurry), by preparing a perform of polymeric foam material and impregnating the said perform with the ceramic-powder slurry so as to distribute the slurry evenly on the perform, and by then subjecting the body thus obtained to a thermal cycle of sintering in such a way as to pyrolyze the polymeric material and obtain a high-porosity ceramic material. The ceramic-material powder is chosen from among mullite powder, alumina powder, zirconia powder, and mixtures thereof, having very high purity, controlled grain-size, and a high specific surface.Type: GrantFiled: December 2, 2002Date of Patent: August 21, 2007Assignee: CRF Societa Consortile per AzioniInventors: Gianmarco Boretto, Massimo Debenedetti, Diego Marzorati
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Patent number: 7251958Abstract: A method for transporting a fixed glazing to be equipped with a coating, particularly a curved glazing, through a coating plant. The glazing is transported by a transport device through the plant such that one of its main sides is covered with protection against the coating substance that is to be deposited. The side of the glazing that is to be protected when the coating is being deposited is kept in contact with a flexible fabric attached to the transport device.Type: GrantFiled: February 7, 2001Date of Patent: August 7, 2007Assignee: Saint-Gobain Glass FranceInventors: Dirk Koopman, Richard Crumbach, Franz Kraemling, Michael Houlena
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Patent number: 7247269Abstract: The present invention relates to a method for making an ablation transducer having a plurality of helical elements that can be operated out of phase to orient the acoustical energy beam forward or backward in the longitudinal direction. The transducers includes a cylindrical inner electrode, a cylindrical piezoelectric material disposed over the inner electrode, and a cylindrical outer electrode disposed over the cylindrical piezoelectric material. Spiral grooves are cut through at least the outer electrode separating the transducer into a plurality of functionally discrete helical transducer segments. The helical transducer segments can be operated independent from one another. An array of intertwined helical transducers arranged linearly along a helical axis are also contemplated.Type: GrantFiled: July 21, 2003Date of Patent: July 24, 2007Assignee: Biosense Webster, Inc.Inventor: Yaron Keidar
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Patent number: 7244389Abstract: The present invention provides piezoelectric ceramics having a thickness of 100 ?m or less, surface flatness of 20 ?m or less and maximum surface uneveness of 3 ?m or less in arbitrary surface region, wherein in-plane variation in dielectric constant is 5% or less of an average dielectric constant. The piezoelectric ceramics are applied to an actuator used for a painting head because of small surface flatness and less in-plane variation in piezoelectric constant.Type: GrantFiled: November 25, 2003Date of Patent: July 17, 2007Assignee: Kyocera CorporationInventors: Shuzo Iwashita, Shinichi Handa
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Patent number: 7240518Abstract: The apparatus for producing glass beads of the present invention comprises a melting pot 2 for heating and melting glass, a nozzle 2A for dripping molten glass 4 in the melting pot 2, which is disposed at the bottom of the melting pot 2, and a liquid glass droplet receiver 11 filled with cooling solution 150 for cooling the liquid glass droplet 10 dripped from the nozzle 2A, which is disposed under the nozzle 2A, wherein the cooling solution 150 is made from a material that forms a bubble layer around the liquid glass droplet 10 as the cooling solution 150 is vaporized due to the heat of the liquid glass droplet 10 during a period when the liquid glass droplet 10 is cooled down to a temperature lower than the glass transfer temperature in the cooling solution 150.Type: GrantFiled: December 25, 2002Date of Patent: July 10, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Masahiro Hiraka, Shigeo Furukawa, Mitsuhiro Fujita
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Patent number: 7240519Abstract: An apparatus for shaping heat softened glass sheets includes an upper mold having a full surface press face with a shaping surface generally contoured to the desired curvature of the sheets; a support device to support the sheets below the upper mold; a shaping rail having an upper sheet supporting surface that supports selected peripheral portions of the sheets, the sheet supporting surface having a profile corresponding to desired elevational contours of the selected peripheral portions of the sheets and complimenting corresponding portions of the upper mold shaping surface; a chamber positioned below the sheets; a moving device for moving the upper mold and the shaping rail relative to each other so as to press at least a periphery of the sheets against the upper mold shaping surface, and a connector to direct pressurized gas into the chamber to urge the sheets towards the upper mold press face.Type: GrantFiled: November 12, 2003Date of Patent: July 10, 2007Assignee: PPG Industries Ohio, Inc.Inventors: James H. Schwartz, Mark M. Savka
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Patent number: 7238308Abstract: 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 the carbon of the intermediate body with the carbide-forming metal to form a metal carbide, with at least part of the carbide-formed metal being supplied via at least one wick made of porous carbon material having pore channels and the wick being produced by carbonization of wood materials or of essentially unidirectionally reinforced CFRP, such wicks and their use in the abovementioned process.Type: GrantFiled: March 14, 2003Date of Patent: July 3, 2007Assignee: Audi AGInventor: Jens Rosenloecher
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Patent number: 7238319Abstract: A method for fabricating a green ceramic article containing organic compounds. The method involves first heating the green ceramic article to sequentially remove the organic compounds such that the organic compound with the lowest weight loss onset temperature is substantially removed prior to the next higher weight loss onset temperature organic compound. The organic compounds include but are not limited to at least an oil or oil-based compound having a flash point or an ignition temperature, higher than the weight loss onset temperature. For this system the temperature during heating is maintained below the flash point of the oil or oil-based compound until substantial removal thereof from the green ceramic structural body. After the organic compounds are substantially removed, the green ceramic article is further fired to a temperature and for a time to obtain a final fired body.Type: GrantFiled: June 26, 2003Date of Patent: July 3, 2007Assignee: Corning IncorporatedInventors: John H. Brennan, Gregory P. Dillon, Tudor C. Gheorghiu, Michael J. Vayansky
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Patent number: 7235199Abstract: The invention relates to a process for the production of chromatography columns or capillaries containing sorbents of monolithic mouldings which can remain directly in their gelation mould after production. This is achieved by the process according to the invention, in which the gelation mould is repeatedly filled with the monomer sol.Type: GrantFiled: May 16, 2001Date of Patent: June 26, 2007Assignee: Merck Patent GmbHInventors: Dieter Lubda, Egbert Mueller
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Patent number: 7228717Abstract: A glass sheet forming system (20) provides continuous roll conveyed forming of heated flat glass sheets to formed shapes having a major axis of curvature and a minor axis of curvature perpendicular to each other. The forming is performed by a roll station (30) having a shape retaining quench (36) associated with a lower deformable roll bed (32) and an upper deformable roll former (34). An adjustment mechanism (78) provides adjustment of the extent of the minor curvature and an actuating mechanism (56) is operable to provide the major curvature.Type: GrantFiled: June 10, 2004Date of Patent: June 12, 2007Assignee: Glasstech, Inc.Inventors: Thomas J. Zalesak, Alfredo Serrano
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Patent number: 7225643Abstract: A gas bubbler device provides enhanced recirculation of molten glass within a glass melter apparatus. The bubbler device includes a tube member disposed within a pool of molten glass contained in the melter. The tube member includes a lower opening through which the molten glass enters and upper slots disposed close to (above or below) the upper surface of the pool of molten glass and from which the glass exits. A gas (air) line is disposed within the tube member and extends longitudinally thereof. A gas bubble distribution device, which is located adjacent to the lower end of the tube member and is connected to the lower end of the gas line, releases gas through openings therein so as to produce gas bubbles of a desired size in the molten glass and in a distributed pattern across the tube member.Type: GrantFiled: March 4, 2003Date of Patent: June 5, 2007Assignee: The United States of America as represented by the United States Department of EnergyInventors: Hector Guerrero, Dennis Bickford
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Patent number: 7226561Abstract: A method of producing a silicon carbide sintered body jig using a reaction sintering method, comprising: (a)dispersing a silicon carbide powder and an organic substance as a carbon source in a solvent, to produce a mixed slurry powder, (b) pouring the resulted slurry powder into a mold and drying this to obtain a green body, (c) temporarily-sintering the resulted green body under a vacuum atmosphere at 1800° C., to obtain a temporarily-sintered body, (d) temporarily-molding said temporarily-sintered body, to obtain a temporarily-molded body, (e) impregnating a melted metal silicon into the resulted temporarily-molded body by a capillary phenomenon and reacting free carbon in said temporarily-molded body with silicon sucked into said temporarily-molded body by a capillary phenomenon, to obtain a silicon carbide sintered body, and (f) subjecting the resulted silicon carbide sintered body to precise processing, to obtain a silicon carbide sintered body jig.Type: GrantFiled: March 7, 2003Date of Patent: June 5, 2007Assignee: Bridgestone CorporationInventors: Tsuyoshi Motoyama, Jin-ichi Taguchi, Fumio Odaka, Toshikazu Shinogaya
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Patent number: 7220377Abstract: A spacer assembly has first and second spacers that are set up integrally on first and second surfaces, respectively, of a substrate. Each spacer is tapered toward its extended end. In forming the spacer assembly, first and second molding dies having through holes coated with a parting agent that contains an organic component are prepared, and these molding dies are located on the first and second surfaces of the substrate so as to be intimately in contact with them, individually. Thereafter, a spacer forming material is filled into the through holes of the molding dies and cured, whereupon the first and second spacers are formed integrally on the substrate surfaces.Type: GrantFiled: January 16, 2004Date of Patent: May 22, 2007Assignee: Kabushiki Kaisha ToshibaInventors: Masaru Nikaido, Satoshi Ishikawa, Kentarou Shimayama
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Patent number: 7216512Abstract: A field-installable connector includes a connector housing and a ferrule having front and rear opposed faces and at least one fiber bore defined longitudinally therethrough. A laser processed stub optical fiber is disposed within the one fiber bore of the ferrule and extends a predetermined distance beyond the rear face of the ferrule. An alignment feature is operable for self-centering the stub optical fiber and a field optical fiber to perform a mechanical splice using a camming means. A method of laser processing a stub optical fiber includes rotating the stub optical fiber and sweeping a laser beam directed at a desired angle back and forth across a surface of the optical fiber. An oscillating motion of the laser is driven by an intermittent sinusoidal signal that results in two deposits of energy onto the stub optical fiber followed by a cooling period before subsequent deposits of energy occur.Type: GrantFiled: October 31, 2003Date of Patent: May 15, 2007Assignee: Corning Cable Systems, LLCInventors: Jeff D. Danley, T. Brian Wacaster, Joel C. Rosson