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| Number | Title | Issue Date |
| 8117868 | Apparatus and methods for making glass Apparatus and methods for making glass are provided. The apparatus comprise a first glass melt station and a standpipe. The standpipe includes a first end portion in fluid communication with the first glass melt station. The standpipe further includes a gravity trap... | 02/21/2012 |
| 7984625 | Temperature compensation for shape-induced in-plane stresses in glass substrates Methods of fabricating glass sheets (13) are provided in which the sheets are cut from a glass ribbon (15) composed of a glass having a setting zone temperature range (SZTR). As the glass is drawn, it passes through the SZTR (31) and an across-t... | 07/26/2011 |
| 7716949 | Method for positioning glass sheets for forming A method having particular utility for making outer and inner formed windshield glass sheets is performed by glass sheet positioning centrally on a forming face (34) of a forming mold (32) to form each glass sheet to a design shape regardless of any si... | 05/18/2010 |
| 7685840 | Method of minimizing distortion in a sheet of glass A method of minimizing distortion in a glass sheet manufacturing process wherein the stress in a parent sheet of glass is measured along each edge of the sheet. The stress data is then used to develop a distortion predictor for predicting the in-plane distortion whi... | 03/30/2010 |
| 7628037 | Method for preventing bubbles on precious metal components In the case of a method for manufacturing glass, with which molten glass is enclosed at least partially by precious metal walls or refractory metal walls, and with which the oxygen partial pressure of the molten glass is influenced by a treatment means to prevent di... | 12/08/2009 |
| 7434420 | Process for glass molding A process for glass molding includes the steps of: gradually increasing a working temperature to a formation temperature T1 while maintaining a normal pressure and an initial mold position; maintaining the formation temperature T1 for about 60 ... | 10/14/2008 |
| 7430880 | Pull roll assembly for drawing a glass sheet A pull roll assembly is described herein that is used to draw a glass sheet. The pull roll assembly includes a first roll assembly, a second roll assembly and a device (e.g., differential drive, sensor(s)). The device enables one to control the first and/or second r... | 10/07/2008 |
| 7414223 | Method and apparatus for monitoring safety glass production or controlling a treatment process The invention relates to a method and apparatus for monitoring safety glass production or controlling a treatment process, such as a tempering process. Information representing a load of glass panels is used in controlling a treatment process, such as heating of gla... | 08/19/2008 |
| 7383695 | Method of analyzing mixed-color cullet to facilitate its use in glass manufacture A method of determining the constituents and impurities in mixed-color cullet to facilitate use of mixed-color cullet in glass manufacture is provided. A glass batch formulation is adjusted based on the measured characteristics of supplied mixed-color cullet. More s... | 06/10/2008 |
| 7353666 | Method for press molding a glass optical element A molding apparatus for molding a press-molded product by heating and softening a material and press-molding the material into a predetermined shape by the use of a mold, includes a pair of dies which form the mold, each of which comprises a molding surface facing w... | 04/08/2008 |
| 7350379 | Quality control method and quality control apparatus for glass gob in the formation of a glass product The present invention provides a quality control method and a quality control apparatus for use in the formation of a glass product. A feeder mechanism cuts a column-like molten glass pushed out through an orifice thereof into a glass gob and allows each glass gob t... | 04/01/2008 |
| 7313930 | Method and apparatus for manufacturing glass substrate for storage medium A method of manufacturing a glass substrate for a storage medium by pressing a glass material between an upper and a lower dies. The method includes a heating step of heating the glass material arranged between the upper and lower dies, a pressing step of pressing t... | 01/01/2008 |
| 7305854 | Methods for producing substrate blank A method for producing a thin-plate-shaped substrate blank that is an intermediate for a glass substrate, in which the occurrence of undulation is prevented and the substrate blank is produced with high accuracy, the method comprising press-molding a glass in a soft... | 12/11/2007 |
| 7302814 | Apparatus for preventing deflection of substrate tube An apparatus for producing an optical fiber preform to perform the deposition process by modified chemical vapor deposition. The Apparatus comprises a main heat source location sensor (800) for detecting the location of a main heat source for heating a substr... | 12/04/2007 |
| 7293430 | Press molding apparatus and press molding method of optical element A press molding apparatus includes upper and lower molding dies each having a molding surface facing each other, and a driving device which moves at least one of the upper and lower molding dies in a vertical direction so that the upper and lower molding dies are op... | 11/13/2007 |
| 7292388 | Lens made of a crystalline material As a preliminary stage in manufacturing a lens or lens part for an objective, in particular a projection objective for a microlithography projection system, an optical blank is made from a crystal material. As a first step in manufacturing the optical blank, one det... | 11/06/2007 |
| 7252495 | Press-molding mold A press-molding mold includes a first mold part (10), a second mold part (20), a bushing (40), a first latching pin (50) and a second latching pin (70). The second mold part (20) defines a longitudinal central axis (21 | 08/07/2007 |
| 7226331 | Electron source manufacturing apparatus and electron source manufacturing method In an electron source manufacturing apparatus, the quantity of heat generated from an electron source substrate is measured. A temperature of a support member for the electron source substrate is controlled based on the measured quantity of heat generated. A variati... | 06/05/2007 |
| 7204943 | Method and apparatus for handling parts ejected from an injection molding machine This invention relates to a method and apparatus for handling parts ejected from an injection molding machine (10). More particularly, in one aspect, the invention is directed to a system (20) whereby data molded into the ejected part is used to provid... | 04/17/2007 |
| 7191618 | Large-sized substrate and method of producing the same A large-sized substrate having a diagonal length of not less than 500 mm and a ratio of flatness/diagonal length of not more than 6.0×10−6 is disclosed. By use of the large-sized substrate for exposure of the present invention, the exposure accuracy, p... | 03/20/2007 |
| 7162894 | Method for charging quartz glass objects with hydrogen The invention relates to the loading of quartz glass objects with hydrogen in an annealing process in a furnace for improving the homogeneity of the refractive index and the laser resistance while, at the same time, maintaining a specified stress birefringence of ea... | 01/16/2007 |
| 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 |
| 7143609 | Low-temperature fabrication of glass optical components A method is provided for molding from glass certain complex optical components, such as lenses, microlens, arrays of microlenses, and gratings or surface-relief diffusers having fine or hyperfine microstructures suitable for optical or electro-optical applications. ... | 12/05/2006 |
| 7142755 | Optical fiber and evaluation method thereof An optical fiber characterized by a cutoff wavelength of 1310 nm or less, a transmission loss of 0.40 dB/km or less at the wavelength of 1385 nm before hydrogen ageing, a transmission loss of 0.40 dB/km or less in the wavelength range of 1310 nm to 1625 nm after hyd... | 11/28/2006 |
| 7134298 | Method of press-forming glass An object of the present invention is to provide a press-forming method for glass capable of uniformly heating press dies and a preform and preventing oxidation of the press dies. According to the press-forming method for glass of the present invention, a preform is... | 11/14/2006 |
| 7021082 | Method and apparatus for suppressing oxygen bubble formation in glass melts In the method of making glass a glass melt is formed from starting materials in a melt apparatus, which includes at least one metal part having a metal surface in contact with the glass melt in a first region of the glass melt having a predetermined oxygen partial p... | 04/04/2006 |
| 6997016 | Method and apparatus for manufacturing glass tube Stress exerted on an inner or outer circumferential side of a glass tube 6 is controlled when a glass material 3 is heated and softened by a heating element 41 provided around the glass material 3 and a piercing plug 31 is relative... | 02/14/2006 |
| 6978640 | Device and method for the simultaneous production of glass products with varying masses The invention relates to a manufacturing apparatus for simultaneously making different hollow glass products having different gob sizes comprising at least one feed apparatus (12), that has at least one glass reservoir (14), at least one plunger (18... | 12/27/2005 |
| 6928838 | Apparatus and method for forming silica glass elements The forming apparatus has top and bottom die assemblies which form a heated silica glass material by press forming. These top and bottom die assemblies include, respectively, mold dies, which are made of isotropic carbon, and core molds, which are made of vitrified ... | 08/16/2005 |
| 6928836 | Method for centering a glass flow control tube An apparatus for indicating concentricity of a rotatable glass flow control tube with respect to its axis of rotation on a tube support frame in a glassware forming system includes a base for securement on the tube support frame and a slide mounted on the base for r... | 08/16/2005 |
| 6925839 | Method for making capillary splice A method of making a capillary splice includes applying pressure to a bore in a tube, applying heat to a portion of the tube to soften the portion of the tube, and forming a bubble within the bore in the heated portion under the influence of the pressure and heat. W... | 08/09/2005 |
| 6857291 | Glass container forming machine A blow mold assembly for an I.S. machine for blowing a parison of glass and cooling the blown parison into a formed bottle which can be removed from the blow mold. A blow head is lowered onto a blow mold and final air is applied. A predetermined time after the blow ... | 02/22/2005 |
| 6843073 | Method and apparatus for ceramizing the starting glass of glass-ceramics The invention relates to a method for ceramizing starting glass of glass-ceramics into glass-ceramics, comprising at least the following steps: 1.1 the starting glass is heated from an initial temperature T1 to a tempera... | 01/18/2005 |
| 6815013 | Glass lining application method A new glass lining application method enables stable, uniform glass lining layers to be applied to large glass-lined instruments composed of a stainless base material, the method including forming a thermal spray treatment layer by applying a thermal spray treatment... | 11/09/2004 |
| 6772611 | Making a glass rod with a step of measuring an incremental weight gain The present invention provides a simple method for fabricating fiber-optic glass preforms having complex refractive index configurations and/or dopant distributions in a radial direction with a high degree of accuracy and precision. The method teaches bundling toget... | 08/10/2004 |
| 6769272 | Method and apparatus for oxygen refinement of a glass melt An apparatus for making glass in which a glass melt is refined in a vessel with oxygen is described. It includes a melt-containing vessel (10) having a refining region (3) for refinement of the glass melt and a noble metal member for producing oxygen i... | 08/03/2004 |
| 6743998 | Method and apparatus for inspection of hot glass containers An opposed pair of inwardly facing radiant energy detecting sensors (20, 22) is positioned to sight on freshly formed glass containers (C) being conveyed on a side by side pair of conveyors (12, 14) to determine if any of the containers is misoriented ... | 06/01/2004 |
| 6698241 | Method and device for pressing a gob Method and apparatus for pressing a parison. A parison mold is composed of neck tool halves and parison mold halves. A gob of molten glass had first been introduced through an upper loading orifice into a cavity of the parison mold, while a pressing plung... | 03/02/2004 |
| 6639166 | Method and apparatus for inspection of hot glass containers An opposed pair of inwardly facing radiant energy detecting sensors (20, 22) is positioned to sight on freshly formed glass containers (C) being conveyed on a side by side pair of conveyors (12, 14) to determine if any of the containers is misoriented fro... | 10/28/2003 |
| 6584805 | Hot bottle inspection apparatus A glass bottle production line comprising a bottle mold which has a plurality of mold cavities arranged in a predetermined order for forming bottles from glass parisons and for transferring the bottles to a conveyor in a predetermined sequence correspondi... | 07/01/2003 |
