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| Number | Title | Issue Date |
| 7365038 | Glasses for flat panel displays Glasses are disclosed which are used to produce substrates in flat panel display devices. The glasses exhibit a density less than about 2.45 gm/cm3 and a liquidus viscosity greater than about 200,000 poises, the glass consisting essentially of the followi... | 04/29/2008 |
| 7363777 | Closed cassette and method for heat treating glass sheets A convection compatible closed cassette and method are described herein where the closed cassette is used to heat treat (compact) one or more glass sheets in a uniform manner and in a clean environment. In the preferred embodiment, the closed cassette includes multi... | 04/29/2008 |
| 7354878 | Sag control of isopipes used in making sheet glass by the fusion process Isopipes for use in making sheet glass by a fusion process are provided which exhibit reduced sag. The isopipes are composed of a zircon refractory which has a mean creep rate (MCR) at 1180° C. and 250 psi and a 95 percent confidence band (CB) for said mean creep r... | 04/08/2008 |
| 7340923 | Pressing plunger mechanism for a glassware forming machine A pressing plunger mechanism for a glassware forming machine has at least one pressing plunger which in normal operation can be moved axially in a reciprocating manner together with a pressing plunger receiver between an inoperative position and a pressing position.... | 03/11/2008 |
| 7317567 | Method and apparatus for providing color changing thin film material An electrochromic device and methods for forming the same are provided. The device includes first and second electrodes. A layer of (GexSe100-x)100-yMny is between the first and second electrodes. ... | 01/08/2008 |
| 7259119 | Sag control of isopipes used in making sheet glass by the fusion process Isopipes for use in making sheet glass by a fusion process are provided which exhibit reduced sag. The isopipes are composed of a zircon refractory which has a mean creep rate (MCR) at 1180° C. and 250 psi and a 95 percent confidence band (CB) for said mean creep r... | 08/21/2007 |
| 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 |
| 7189672 | Aluminum silicophosphate glasses A substrate for flat panel display glasses comprising a glass the P2O5—SiO2—Al2O3 ternary system which yields stable glasses exhibiting high strain point temperatures, resistance to devitrification, good che... | 03/13/2007 |
| 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 |
| 7159419 | System and method for vapor pressure controlled growth of infrared chalcogenide glasses A system and method for preparing chalcogenide glass are provided that allow for larger quantities of glass to be produced with lower production costs and less risks of environmental hazards. The system includes a reaction container operable to hold chalcogenide gla... | 01/09/2007 |
| 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 |
| 7155935 | Sheet glass forming apparatus One embodiment of the present invention is an improved sheet glass forming apparatus. In another embodiment, a precise thermal control system redistributes the flow of molten glass at the weirs to counteract the degradation of the sheet forming apparatus which inevi... | 01/02/2007 |
| 7125320 | Apparatus and method for grinding and/or polishing an edge of a glass sheet An apparatus and method are described herein which help prevent particles and other contaminants that are generated when an edge of a glass sheet is processed from contaminating or damaging the glass sheet. The apparatus includes an encapsulation device and a proces... | 10/24/2006 |
| 7125319 | Apparatus and method for grinding and/or polishing an edge of a glass sheet An apparatus and method are described herein which help prevent particles and other contaminants that are generated when an edge of a glass sheet is processed from contaminating or damaging the glass sheet. The apparatus includes an encapsulation device and a proces... | 10/24/2006 |
| 7087541 | Glass composition for display panels A glass composition suitable for manufacturing plasma displays and large-area displays using the fusion draw process is provided. The glass composition includes 59–66 mol % SiO2, 14.5–18.0 mol % Al2O3, 8.5–12.0 mol % Na2 | 08/08/2006 |
| 6997017 | Overflow downdraw glass forming method and apparatus The forming apparatus of the present invention preferably includes an orifice on top of the trough. The uniquely shaped orifice substitutes for the weirs as the controlling entity for glass thickness. The orifice is designed such that as it deforms, it maintains a l... | 02/14/2006 |
| 6993936 | System and method for suppressing the formation of oxygen inclusions and surface blisters in glass sheets and the resulting glass sheets A system and method for suppressing the formation of gaseous inclusions in glass sheets and the resulting glass sheets are described herein. The system includes a melting, fining, delivery, mixing or forming vessel that has a refractory metal component (e.g., platin... | 02/07/2006 |
| 6992030 | Low-density glass for flat panel display substrates Disclosed is a glass material essentially free of BaO and alkali oxide particularly suitable for the glass substrate of LCDs. The glass material consists essentially, expressed in mole percent on an oxide basis, of 70–80%, preferably 72–77% of SiO2, 3... | 01/31/2006 |
| 6974786 | Sag control of isopipes used in making sheet glass by the fusion process Isopipes for use in making sheet glass by a fusion process are provided which exhibit reduced sag. The isopipes are composed of a zircon refractory which has a mean creep rate (MCR) at 1180° C. and 250 psi and a 95 percent confidence band (CB) for said mean creep r... | 12/13/2005 |
| 6823694 | Method of manufacturing glass optical elements A method for manufacturing a glass optical element having at least one concave surface, including: softening a glass molding material by heating, molding the softened material with a first mold having a first molding surface and a second mold having a second molding... | 11/30/2004 |
| 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 |
| 6442976 | Liquid cooling of glassware molds A system and method of cooling glassware molds by directing liquid coolant to the blank or blow mold halves of a glassware forming machine through an enclosed pivotal rotary union-type structure. A coolant manifold is carried by each pivotal mold arm, and... | 09/03/2002 |
| 6401491 | Final blow/finish cooling valve function monitor Apparatus for monitoring application of air through a dual-stage blowhead to blow mold a container includes a first solenoid valve for applying final blow air through the blowhead to a container in a mold and a second solenoid valve for applying finish co... | 06/11/2002 |
| 6295404 | Optical fiber array An optical fiber array includes a V-groove substrate for housing an uncovered glass fiber section formed at an end portion of an optical fiber contained therein. A lower covered section housing portion houses a covered section of the optical fiber and is ... | 09/25/2001 |
| 6124038 | Strong UV absorbing glass The invention relates to a strong UV absorbing glass consisting essentially of, expressed in cation percent, 15-30% SiO2, 50-60% B2 O3, 2-5% Al2 O3, 0-6% Li2 O, 0-3.0% Na2 O, 14-20% K... | 09/26/2000 |
| 5994248 | Optical lenses and processes of manufacture The invention relates to lenses such as aspherical lenses and to a process for their manufacture. According to the invention, the lens is composed of a glass matrix including the constituents below in the following weight proportions: __________... | 11/30/1999 |
| 5904746 | Method for producing vitreous optical elements by injection molding with pressure application Method and apparatus for producing vitreous optical elements by injection molding, which essentially includes the stages of: melting down a glass material into a molten state in a viscosity at or lower than a working point of the glass material; injecting... | 05/18/1999 |
| 5900035 | Glass forming machine blank mold cooling apparatus A hollow parison (P) of a glass container is formed from a gob of molten glass, the parison having a body portion (B) with a closed end and an open end. The body portion of the parison is formed in an annular blank mold (14). The parison also has a finish... | 05/04/1999 |
| 5837026 | Method for producing a glass panel for a cathode ray tube Air is blowed before an annealing step to corner portions in an inner face portion of a glass panel which has been press-formed in a mold to cool that portions to be stronger than the other portion whereby a temperature difference between the corner porti... | 11/17/1998 |
| 5743928 | Method and apparatus for extruding glass tubing An apparatus (10) for extruding glass tubing (12) which comprises a furnace (14). A component (16) within the furnace (14) is for holding molten glass (18). A duplex mandrel (20) on one end of the furnace (14) is connected into the holding component (16).... | 04/28/1998 |
| 5632794 | Method and apparatus for cooling a glass pressing plunger The present invention is directed to a method and an apparatus for forming glass articles from molten glass involving differentially cooling a plunger for press forming glass articles in a cooperative forming mold. More specifically, the method involves i... | 05/27/1997 |
| 5505759 | Glassware forming machine A pneumatically operated mechanism for a glassware forming machine is located in an aperture in a top plate of the machine and comprises entry ports in a downwardly facing surface which mate with exit ports for air supplies located in an upwardly facing s... | 04/09/1996 |
| 5215566 | Method of manufacturing optical element A method of manufacturing an optical element from glass material is accommodated between an upper member and a lower member of mold. The glass material is press-molded in a state and heated to a desired temperature, thereafter being cooled and released fr... | 06/01/1993 |
| 5201927 | Method of producing the optical element A machine is provided for molding an optical element by using a molding block having upper and lower molding dies, a sleeve die and a glass blank combined integrally with each other. The machine includes a chamber which accommodates a heating zone having ... | 04/13/1993 |
| 5167688 | Apparatus for mold cooling A mold cooling arrangement includes a plurality of closed bores vertically disposed in the mold between the molding surface and the mold exterior. A manifold positioned vertically above the mold communicates with the interior of each bore and a condenser ... | 12/01/1992 |
| 5147436 | Method for forming flat glass-ceramic articles This invention contemplates a near net-shape method of making thin glass-ceramic articles possessing substantially uniform thickness and parallel opposing surfaces comprising the steps of: (a) heating the receiving and opposing molding surfaces of a mold ... | 09/15/1992 |
| 5108477 | Method for making a glass article A method for foming glass articles of substantial thickness from unstable glass compositions which normally devitrify when formed by conventional casting or molding processes, is disclosed. The method includes the steps of quench-cooling the glass to form... | 04/28/1992 |
| 5045507 | In-situ quenched fluoride glasses A process for producing high quality optical glass from fluoride glasses comprising preparing a melt of the glass and then cooling the melt in-situ inside the melt crucible. The in-situ quenching technique can be improved by narrowing the temperature rang... | 09/03/1991 |
| 4906269 | Method of and apparatus for manufacturing a glass object A glass object having protrusions and/or recesses, for example a glass lid (1) with a handle (2), is produced in an IS machine by pressing molten glass from above in a mould with the cover of the mould, in a mould defined by said cover, by a shaping mould... | 03/06/1990 |
| 4895813 | Method for fabricating devices including multicomponent metal halide glasses and the resulting devices A new method for fabricating devices which include multicomponent metal halide glasses, e.g., multicomponent metal halide glass optical fibers, is disclosed. In accordance with the inventive method, a multicomponent metal halide glass body, essentially fr... | 01/23/1990 |
