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| Number | Title | Issue Date |
| 8061161 | Molten glass dropping nozzle, molded glass product manufacturing method and molded glass product manufacturing apparatus A molten glass dropping nozzle including: a molten glass flow path therein for flowing molten glass; and a plurality of openings of the flow path, the plurality of openings being provided on a front end of the molten glass dropping nozzle, wherein the molten glass f... | 11/22/2011 |
| 8056364 | Preform production apparatus for precision press molding, production method of a preform for precision press molding and production method of an optical element A preform production apparatus for precision press molding, which is downsized but can produce preforms at a lower cost, and a production method thereof using the apparatus are provided. The production method of a preform for precision press molding includes forming... | 11/15/2011 |
| 7559214 | Method of manufacturing optical element made of glass An optical element manufacturing method has a preparation step of preparing a lower mold and an upper mold. The lower mold has an outer shape restricting surface for the optical element. A reference surface formation step of forms a positioning reference surface on ... | 07/14/2009 |
| 7395679 | Method of manufacturing glass substrate for information recording medium Molten glass is press-molded by a metallic die in which a cylindrical body is provided in a vertically standing manner at a central part of a bottom surface of a bottomed hole and a molding surface corresponding to a chamfering shape of an outer peripheral edge surf... | 07/08/2008 |
| 7383694 | Lubrication assembly for glassware forming molds An apparatus for lubricating a mold in an individual section glassware forming machine by combustion of at least one combustible gas. The apparatus includes a shaft positioned adjacent to the mold, a burner head on the shaft and including a spark electrode for ignit... | 06/10/2008 |
| 7371703 | Optical glass suffering little change in refractive index by radiation of light An optical glass wherein an amount of change in refractive index (Δn: difference in refractive index between a state before radiation and a state after radiation) caused by radiation of laser beam at wavelength of 351 nm having average output power of 0.43 W, pulse... | 05/13/2008 |
| 7328594 | Processes for the production of glass article A process for stably and efficiently producing quality glass articles such as preforms at high yields, and a process for producing an optical device from the preform obtained by the above process. In the process for producing a glass article, molten glass gobs havin... | 02/12/2008 |
| 7309670 | Optical glass; press-molding preform and method of manufacturing same; and optical element and method of manufacturing same The present invention relates to optical glass having a high refractive index, high dispersion, and a low glass transition temperature; a preform comprised of the optical glass for precision press-molding and a method of manufacturing the same; and an optical elemen... | 12/18/2007 |
| 7275397 | Method of molding a silica article 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... | 10/02/2007 |
| 7240518 | Process for producing spherical glass 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 ... | 07/10/2007 |
| 7207193 | Method of fabricating low-warp flat glass A method of fabricating a glass sheet comprises modifying the thermal stress in the glass such that it is a tensile stress or substantially zero stress in a particular temperature zone of the glass, with that zone selected such that the glass sheet is formed substan... | 04/24/2007 |
| 7178780 | Composite coating for mold insert and method for making a coated mold insert A mold used to form a magnetic member includes a mold body having a mold opening, a mold support that supports the mold cavity, and a mold insert. The mold insert is disposed in the mold opening of the mold body to form a mold cavity. The mold insert is coated with ... | 02/20/2007 |
| 7171827 | System and method for automated casting of infrared glass optical components In accordance with the present invention, a system and method for the automated casting of infrared glass optical components is provided. The system includes a mold for casting infrared glass into lenses, a mold chamber operable to heat the mold to a temperature abo... | 02/06/2007 |
| 7159420 | System and method for forming infrared glass optical components A system and method for forming infrared glass optical components are provided. The system includes first and second mold halves having first and second respective faces. The first and second mold halves are configured to be removably coupled such that the first fac... | 01/09/2007 |
| 7136237 | Optical system Provided is an optical system, in which various aberrations including chromatic aberrations are preferably corrected and which is easily manufactured and has a superior environmental resistance, comprising a solid material (GIT1) having two surfaces both on a... | 11/14/2006 |
| 7127917 | Method of manufacturing molded glass objects, method of manufacturing press molded articles, and method of manufacturing glass optical elements Disclosed is a method for manufacturing a molded glass object. In the method, glass melt is made to flow from the front end portion of a nozzle; a prescribed weight of the glass melt flowing out is received by a glass melt receiving portion provided on a forming mol... | 10/31/2006 |
| 7073353 | Production of mineral wool The invention relates to a method for producing mineral wool, whereby a cracking catalyst having an aluminum oxide content of at least 35% by weight is used as a base material or aggregate. Said catalyst materials produce waste products which are difficult to elimin... | 07/11/2006 |
| 7065986 | Molding assembly A molding assembly, that includes: a plurality of support pillars fixedly attached to a support structure, wherein each support pillar includes a recessed seat; a mold support member, and; a flexible ring for holding a mold in contact with the mold support member, w... | 06/27/2006 |
| 7061182 | Metal halide lamp A metal halide lamp has an arc tube including an arc tube container made of an oxide-based translucent ceramic material. The arc tube is filled with cerium halide as a luminescent material and a halide of a rare earth element that is more reactive with the ceramic m... | 06/13/2006 |
| 7026542 | Cover glass for a solar battery, a method for producing the cover glass and a solar battery module using the cover glass A transparent substrate for a cover for a solar battery and a method for producing the same are presented. Hemispherical concave portions are formed in a surface of light entering side of a cover glass almost over the entire surface wherein the ratio d/D of the dept... | 04/11/2006 |
| 6957900 | Glass reflector for projector and manufacturing method for the same For example, the reflector according to the present invention is a reflector made of glass for a projector which is composed of amorphous glass whose thermal expansion coefficient is 30 to 45×10−7/° C. and includes a reflective surface for reflecting ... | 10/25/2005 |
| 6907755 | Device for manufacturing glass gobs A device for manufacturing glass gobs includes a membrane body of a porous gas transmitting material. Channels for introducing compressed gas into the membrane body extend through the membrane body material and are spaced at a distance from the gas outlet surface of... | 06/21/2005 |
| 6906475 | Fluorescent lamp and high intensity discharge lamp with improved luminous efficiency The present invention improves the luminous efficiency of lamps that emit light due to electric discharge, such as a fluorescent lamp and an HID lamp. The fluorescent lamp includes a glass tube used as a fluorescent tube made of a glass material containing an emissi... | 06/14/2005 |
| 6854289 | Method of manufacturing glass gobs molded glass articles, and optical elements Methods and a device of manufacturing glass gobs with good productivity without defects in appearance from a glass melt. Glass gobs are manufactured from glass melt gobs by molding and cooling glass melt gobs in glass gob molding parts that are intermittently rotate... | 02/15/2005 |
| 6815070 | Polymer-coated thin glass film substrates The invention relates to a glass-plastic composite film, especially for use in electronic components and devices, such as displays. The inventive film consists of a glass film which is between 10 μm and 500 μm thick, and is characterised in that a polymer layer wi... | 11/09/2004 |
| 6769271 | Method of making an agglomeration of fused microspheres A method of making a fragrance delivery system comprising forming fused microspheres and incorparting a fragrance therein. The method relates to the mixing together of two separate factions comprising a silicate part and a modifier part, drying the mixture, heating ... | 08/03/2004 |
| 6652935 | Flint/amber laminated glass container and method of manufacture A laminated glass container has an inner layer of amber glass surrounded by an outer layer of flint glass. The container is manufactured by forming a cased glass stream, having an amber glass core and a flint glass casing layer, cutting the stream into in... | 11/25/2003 |
| 6626010 | Method for floating glass lump, method for preparing glass lump and method for preparing molded glass, and apparatus used for the methods A method of floating glass gobs by means of a gas flow. A method of manufacturing glass gobs by floating a molten glass gob and simultaneously cooling it. A method of manufacturing glass spheres by floating a softened glass gob and simultaneously renderin... | 09/30/2003 |
| 6588231 | Method molding a glass composition into an optical element with reduced pull-out A mold has a moling surface of a material containing silicon carbide and/or silicon nitride as a main component and a carbon thin film formed on the molding surface to prevent fusion sticking. A glass substance which has a sag point not higher than 565° ... | 07/08/2003 |
| 6581415 | Method of producing shaped bodies of semiconductor materials A method for producing formed semiconductor articles with predefined shapes such as core tubes for CVD production of bulk polysilicon. The method is characterized by thermal spray deposition of the semiconductor material in a on a temperature controlled r... | 06/24/2003 |
| 6568215 | Method and apparatus for melting a particulate material Apparatus suitable for vitrifying nuclear waste comprises a tunable microwave cavity connected by a first wave guide to a source of microwave energy; cooling coils for cooling the exterior of the cavity; a hopper for loading particulate fusible material t... | 05/27/2003 |
| 6547980 | Glass substrate for information recording medium, manufacturing method thereof, and information recording medium A glass substrate for an information recording medium has an acid resistance represented by an etching rate of at most 45 nm/min. upon contact with a hydrofluoric acid having a temperature of 50° C. and a concentration of 0.1 weight %. The glass substrat... | 04/15/2003 |
| 6510709 | Shaping mold optical fiber guide block processes for the production thereof and optical fiber array Disclosed are a shaping mold for producing an optical fiber guide block which permits highly accurate positioning and fixing of optical fibers, an optical fiber guide block having such excellent properties, processes for the production of these, and an op... | 01/28/2003 |
| 6505484 | Forming method of silica glass and forming apparatus thereof A silica glass forming method is a method of pressing a synthetic silica bulk having at least a set of opposed surfaces, on the surfaces under a high temperature condition by a presser, wherein an elastic member with permeability is placed between the pre... | 01/14/2003 |
| 6499316 | Method of producing a glass gob, method of producing a glass molded product, and apparatus for producing a glass gob In a method of producing a glass gob by continuously dropping a molten glass 9 from a nozzle 2 in a dropping direction, a gas flow 20 is caused to continuously flow in the dropping direction along an outer peripheral surface of the nozzle 2 at a predeterm... | 12/31/2002 |
| 6497119 | Method for producing glass goblets, tumblers and similar hollow glasses, and corresponding device for carrying out said method A device and process for forming hollow glassware comprising producing solid glass blanks in a manufacturing line, storing the blanks, feeding the blanks to a manufacturing line for forming hollow glassware, preheating the blanks during the feeding step, ... | 12/24/2002 |
| 6479122 | Glass substrate for an optical disk and a manufacturing method thereof A method of manufacturing a glass substrate for an optical disk using a press-mold formed of a super-hard material and having a surface of a prescribed roughness. A track pattern is formed in the surface of the glass substrate by inserting the substrate a... | 11/12/2002 |
| 6470710 | Method for melting glass Glass raw material is fed to a glass furnace to prepare molten glass. At least one metal compound from one of the following metals: aluminum, titanium, silicon, zinc, magnesium, iron, chromium, cobalt, cerium or calcium is supplied to a foam layer formed ... | 10/29/2002 |
| 6442975 | Method of manufacturing thin-plate glass article, method of manufacturing glass substrate for information recording medium, and method of manufacturing magnetic recording medium There are disclosed a method of manufacturing a thin-plate glass having a good flatness with a high mass productivity and a method of manufacturing a high-quality and high-performance glass substrate for an information recording medium and a magnetic reco... | 09/03/2002 |
| 6370915 | Method for supplying glass molding material to molds, and method for manufacturing glass optical elements A method for supplying a glass molding material by dropping it from a higher level onto a molding surface of a lower mold of a mold constituted of an upper mold and the lower mold, in which a guide means is used for dropping the glass molding material and... | 04/16/2002 |
