Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7461523 | Apparatus for contactless measurement of the temperature in a melting furnace The invention relates to an apparatus for contactless temperature measurement of a melting charge located in a melting crucible 2 inside a melting furnace, in particular a furnace for precision casting, by means of a pyrometer 5 with an optical system ... | 12/09/2008 |
| 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 |
| 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 |
| 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 |
| 7070703 | Process for producing glass disk substrates for magnetically recordable data storage disks A polished glass disk is prepared for a magnetically recordable coating by texturing the surfaces with a highly abrasive material being abrasively engaged with the surfaces as the disk is rotated, thereby creating a relatively coarse texture with the abrasions conce... | 07/04/2006 |
| 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 |
| 7017372 | Molten glass supply device, glass formed product, and method of producing the glass formed product A molten glass supply device is provided, which can solve unavoidable problems for high viscosity characteristics in connection with the conventional molten glass supply device for high viscosity glass. Such problems include improperly high heating cost caused by ex... | 03/28/2006 |
| 7015164 | Optical glass, glass material for press molding, optical element, and method of manufacturing same Disclosed is an optical glass comprising, expressed as weight percentages, greater than or equal to 18 percent and less than 30 percent of SiO2, greater than or equal to 12 percent and less than 23 percent of BaO, 22 to 37 percent TiO2, greater... | 03/21/2006 |
| 7010941 | Coating of cooled devices A structural component for a device for the treatment of melts, especially of glass melts, having a base body of metal or of a metal alloy and a cooling system in which a cooling medium is led through the structural component for the leading-off of heat. The base bo... | 03/14/2006 |
| 6990834 | Overflow downdraw glass forming method and apparatus The present invention alters the flow path at the inlet of the sheet glass forming apparatus to improve quality. The bottom of the downcomer pipe is preferably shaped to alter the character of the vortex flow in the quiescent flow zone between the pipes. In another ... | 01/31/2006 |
| 6908870 | Glass material for a substrate, glass substrate, and information recording medium employing the same A glass material for a substrate, or a glass substrate, consists essentially of the following glass ingredients: from 45 to 70 wt % of SiO2, from 1 to 10 wt % of Al2O3, from 0.5 to 8 wt % of B2O3, from 7 to 20 w... | 06/21/2005 |
| 6799439 | Method for equalizing temperature differences in molten glass, and equipment therefor A method for equalizing temperature differences in molten glass in at least one temperature equalization zone that is in the form of a channel for transporting a glass melt. The equalization zone is located upstream from a tapping point, at which the glass is tapped... | 10/05/2004 |
| 6705122 | Method and apparatus for controlling temperature of cooling air for glass manufacturing machine The temperature of cooling air to a manifold for distribution to molds of a glass manufacturing machine is controlled by passing untreated air through an indirect heat exchanger in indirect heat exchange relationship with water flowing through a coil in the indirect... | 03/16/2004 |
| 6701751 | Glass melting furnace Glass melting furnace, of the type consisting of a melting chamber, inside which is found the liquid glass mass, with an outlet, and at least one flue gas recuperative chamber, a means for supplying the influx of fuel, featuring at least one mass temperat... | 03/09/2004 |
| 6532768 | Process for the vitrification of a pulverulent material and apparatus for implementing the process The present invention relates to a vitrification process for a pulverulent material and an apparatus for implementing said process. The process consists in introducing the pulverulent material into the fusion area of a furnace via injection means, where i... | 03/18/2003 |
| 6477862 | Monitoring gob diameter in a glassware forming system A glassware manufacturing system includes at least one blank mold and a loading funnel for feeding molten glass gobs in sequence into the blank mold. A temperature sensor is operatively coupled to the external surface of the funnel for providing an electr... | 11/12/2002 |
| 6454562 | Oxy-boost control in furnaces A process controls oxy-boost firing and air-fuel burner firing in furnaces, including large glass furnaces such as float furnaces. The large side-fired regenerative float furnaces use oxy-boost firing for a variety of reasons, including production increas... | 09/24/2002 |
| 6381988 | Liquid cooling deflectors in a glassware forming system A glassware forming machine system includes an individual section glassware forming machine having a plurality of sections, each with at least one blank mold, and a gob distributor for distributing molten glass gobs to the blank molds of each machine sect... | 05/07/2002 |
| 6332338 | Method of producing glass substrate for information recording medium Disclosed is a process for producing a glass substrate for an information recording medium by press-shaping a molten glass which gives a glass containing 0.1 to 30 mol % of TiO2, 1 to 45 mol % of CaO, 5 to 40 mol % of total of MgO and the above... | 12/25/2001 |
| 5979191 | Method and apparatus for melting of glass batch materials An apparatus for melting materials is provided comprising a melter body having a batch injection portion including a batch inlet port, a batch melting portion including a batch melting chamber adapted to receive materials from said batch injection portion... | 11/09/1999 |
| 5738701 | Glass gob production device and production method A glass gob production device for producing a glass gob from molten glass. The glass gob production device has a crucible which accommodates molten glass, a nozzle one end of which is connected to the crucible and from the other end of which the molten gl... | 04/14/1998 |
| 5735920 | Method of manufacturing optical glass element A manufacturing method for an optical glass element having a refractive index equal to a design value after press-molding. A glass material of specified composition is melted and press-molded while it is in the molten state. The refractive index of the gl... | 04/07/1998 |
| 5709723 | Method for producing large glass preforms A method of making gob preforms for the optical quality lens molding comprising: i) ejecting a measured gob molten glass through an exit in a stem of the container of a supply of molten glass; ii) allowing the gob to settle under gravity from the exit to ... | 01/20/1998 |
| 5693110 | Processes for controlling of the temperature of glass inside forehearth A process for controlling the temperature of glass inside a forehearth for the formation of gobs comprises the steps of: determining a set temperature of the glass in the zone No. 1 by effecting a fuzzy inference based on a preset membership function and ... | 12/02/1997 |
| 5358541 | Forehearth temperature control system A method of controlling the exit glass temperature and the thermal homogeneity of the glass exiting from a glass forehearth having at least two temperature control zones and having in each temperature control zone at least one temperature regulating means... | 10/25/1994 |
| 5194081 | Glass melting process A glass melting tank has a melting chamber, a shallow uniflow conditioning chamber, a shallow refining chamber and a riser chamber between the melting chamber and refining chamber. Heat is input to glass in the riser chamber by electrodes located centrall... | 03/16/1993 |
| 4877436 | Continuous viscosity monitoring of glass A method for manufacturing glass comprises forming glass from molten mineral material, continuously discharging an auxiliary stream of molten mineral material, continuously measuring the temperature and the mass flow rate by laser means of the auxiliary s... | 10/31/1989 |
| 4812151 | Viscosity control in the manufacture of mineral fibers A method for manufacturing mineral fibers comprises forming mineral fibers from molten mineral material, continuously discharging an auxiliary stream of molten mineral material, continuously measuring the temperature and the mass flow rate of the auxiliar... | 03/14/1989 |
| 4762544 | Automated control of glass container manufacture A glassware production system includes an electropneumatic individual section glass forming machine having a multiplicity of operating mechanisms for converting a gob of molten glass into a hollow glass container. A glass forehearth feeds molten gobs at c... | 08/09/1988 |
| 4741753 | Method and apparatus for electrically heating molten glass A method and apparatus for continuously melting and refining molten glass are disclosed which comprises the steps of applying a preponderance of heat to a molten glass mass by Joule effect heating and pulsating a portion of the heat applied to the molten ... | 05/03/1988 |
| 4738706 | Method and device for the thermal regulation of a moving fluid mass The device comprises a three-dimensional grid of thermocouples which are immersed in a fluid, which is moving in a covered channel and has a temperature above that of its environment. Apertures in the sheathing of the channel can be progressively closed b... | 04/19/1988 |
| 4654066 | Electronic system to control cooling of molds in glassware forming machines An electronic system to control the cooling of molds in glassware forming machines, wherein the articles and/or the molds in which said articles are being produced, are subjected to a suitable cooling to control the thermal relation therebetween so that t... | 03/31/1987 |
| 4603980 | Methods of measuring temperature and electrical resistivity in a molten glass stream A small sensor electrode with only the tip exposed is used with a much larger return electrode to complete a high frequency circuit through molten glass. The sensor electrode is calibrated in the laboratory and then used to measure the resistivity of the ... | 08/05/1986 |
| 4557744 | Mould arrangement for a glassware forming machine In the mould arrangement, an electrical temperature sensing device (TC1, TC2, TC3) is mounted on a mould portion (30; 70) and sends signals to control means of the arrangement. The control means is operable to read the signal from the sensing device (TC1,... | 12/10/1985 |
| 4549895 | Method and apparatus for melting glass A glass melting apparatus is provided with a melting tank, a refining tank and a working tank wherein the melting tank is operatively connected to the refining tank by a temperature control connecting pipe for intermittently supplying molten glass from th... | 10/29/1985 |
| 4521235 | Method and apparatus for controlling wall layer thickness in a liquefaction process In a process for liquefying glass batch and the like, wherein a layer of batch is maintained as a lining in the liquefaction vessel, the thickness of the lining is monitored by measuring the temperature in a region facing an end portion of the lining. Pre... | 06/04/1985 |
| 4515614 | Electrically heated forehearth and method of controlling molten glass temperature therein A conditioning section of a forehearth is disclosed with sidewall electrodes for Joule effect heating of glass positioned and connected to confine the current and Joule effect heating separately to the side portions of the molten glass flow path therein. ... | 05/07/1985 |
| 4428686 | Thermocouple pyrometric apparatus The invention relates to a pyrometric rod for measuring the temperatures of molten glass. The rod according to the invention comprises a rod containing at least a thermocouple, this rod being provided with a short tip of metal or metal alloy, the tip bein... | 01/31/1984 |
| 4405351 | Method for controlling a glass melting furnace A method for controlling a glass melting furnace comprises measuring the temperature T of the glass in the furnace, measuring the heat being supplied to the glass in the furnace, calculating the entropy E according to the equation comparing E with a prede... | 09/20/1983 |
