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| Number | Title | Issue Date |
| 8127573 | Mold cooling system for I.S. machine A mold cooling system for an I.S. machine wherein cooling air is supplied to vertical cooling holes defined in the molds either at their ends or midway along their length. ... | 03/06/2012 |
| 8082757 | Fluid-cooled mold A fluid-cooled mold for the production of a quartz crucible provided in its interior with a space for flowing of cooling fluid comprises an outer mold section made from a heat-conductive metal or alloy material and an inner mold section closely arranged to an inner ... | 12/27/2011 |
| 7748238 | Neck ring cooling A system for directing cooling air onto a neck ring in a glassware molding machine that includes at least one air plenum stationarily disposed at a blank mold station and having an internal cavity for receiving cooling air flowing laterally inwardly toward the axis ... | 07/06/2010 |
| 7647791 | Composite mold for molding glass lens A composite mold includes a mold base, a protective film provided on the mold base, and a water-cooling heat dissipation system disposed within the mold base. Wherein, the protective film is comprised of with a plurality of RexIry layers and a ... | 01/19/2010 |
| 7322215 | Method for blank pressing of optical components Methods for press molding a glass body, especially for optical applications, without additional grinding and polishing steps are described. One method is performed with a press mold having an upper mold part, a lower mold part and, if necessary or desired, a ring. I... | 01/29/2008 |
| 7313931 | Method and device for heat treatment After carrying an LCD substrate in a reaction container of a heat treatment unit, blowing a previously heated helium gas from a gas supply part, which opposes to the surface of the LCD substrate, over the entire surface of the LCD substrate. The temperature of the L... | 01/01/2008 |
| 7296442 | Neck ring cooling A system for directing cooling air onto a neck ring in a glassware molding machine that includes at least one air plenum stationarily disposed at a blank mold station and having an internal cavity for receiving cooling air flowing laterally inwardly toward the axis ... | 11/20/2007 |
| 7290405 | Method and apparatus for conducting heat to a glass sheet Method for transferring heat onto a glass in the furnace meant for heat treatment of glass, into which glass is transferred on a path of rollers, furnace heated by resistors (5) located inside of the furnace, the radiation heat directed onto the glass and con... | 11/06/2007 |
| 7143610 | Method and system for feeding and burning a pulverized fuel in a glass melting furnace, and burner for use in the same A method and system feed and burn pulverized fuel, such as petroleum coke, in a glass melting furnace having burners associated with sealed regenerative chambers which act as heat exchangers. The system supplies the pulverized fuel for melting glass raw materials. T... | 12/05/2006 |
| 7134301 | Mold support mechanism for an I.S. machine A mold cooling system is disclosed for the blank mold halves of an I.S. machine. The mold halves are supported at their bottom by a lower hanger assembly which includes a discrete plenum for each of the mold halves. Each plenum is isolated and has its own air supply... | 11/14/2006 |
| 7024888 | Method for changing glass compositions in melting installations, and corresponding melting installation The invention relates to a method for changing glass compositions in continuously operated melting installations which has a significantly shortened melt changeover time and therefore lower costs and in which the glass quality is not adversely affected. ... | 04/11/2006 |
| 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 |
| 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 |
| 7000433 | Device for heating plates of glass A device for heating plates of glass (3) which are hardened or deformed, includes two ceramic heating plates (1) between which a plate of glass (3) is arranged. Compensation plates (20) are associated with the heating plates (1) at... | 02/21/2006 |
| 6912874 | Device and process for introducing gases into a hot medium This invention relates to a device and a process for introducing gases into a hot medium, whereby device (1) contains a pipe (2) for introducing gas and a cooling jacket (3) that encases pipe (2). ... | 07/05/2005 |
| 6901773 | Semi-convective forced air system having amplified air nozzles for heating low “e” coated glass A semi-convective forced air system for heating glass sheets during a heating cycle comprises a heating chamber having a length and a width, at least one heating element located within the heating chamber, a conveyor having a length and a width, the conveyor extendi... | 06/07/2005 |
| 6889527 | Skull pot for melting or refining inorganic substances, especially glasses and glass ceramics The invention relates to a skull pot (1) for melting, crystallizing or refining inorganic substances. Said pot comprises a pot wall (1.1), a pot bottom (1.2), an induction coil (2) which surrounds the pot wall (1.1) and by means of... | 05/10/2005 |
| 6848275 | Method for melting or refining glasses or glass ceramics This invention relates to a device for melting or refining glass or glass ceramics. According to the invention, such a device is provided with the following characteristics: a channel which is arranged in an essentially horizontal manner and which is provided with a... | 02/01/2005 |
| 6845636 | Apparatus for dehydrating and consolidating an optical fiber preform and method of the same A dehydration and consolidation furnace and a dehydration and consolidation method in which gas in a chamber does not leak to a furnace body room and gas in a furnace body room does not leak into a chamber is provided. A furnace of one embodiment of this invention h... | 01/25/2005 |
| 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 |
| 6823697 | Press forming machine for optical devices An object of the present invention is to provide a press forming machine for glass optical devices which is superior in the temperature uniformity and has a low manufacturing cost. An upper die is fixed to a lower end of a fixed shaft, and a lower die is fixed to an... | 11/30/2004 |
| 6817212 | Skull pot for melting or refining glass or glass ceramics The invention relates to a skull pot for melting or refining glass or glass ceramics, comprising a pot wall (1), a pot base, and an induction coil (3) which surrounds said pot wall and through which high-frequency energy can be coupled into the content... | 11/16/2004 |
| 6789398 | Mold incorporating a heat source and apparatus and method for using such molds A heat source is formed within one piece of a multi-piece mold designed to shape a glass tube. The one piece of the mold can then be used as a source of intense heat to render the glass malleable and to also contribute to shaping the tube in conformance with the mol... | 09/14/2004 |
| 6776011 | Apparatus for conveying gobs of glass to a glass container forming machine An inclined trough assembly (10) or gob scoop (20, 40) for conveying, by gravity, formable gobs of glass at an elevated temperature to a section of a glass container forming machine of the I.S. type. The trough assembly has a trough member (12) ... | 08/17/2004 |
| 6757317 | Device for melting or purifying of inorganic sustances A device for the melting or purifying of inorganic substances, in particular of glass, which comprises a number of metal tubes which may be attached to a cooling medium and which are arranged next to each other, in such a way that together they form a container, a h... | 06/29/2004 |
| 6751989 | Device and method for melting or refining glass or glass ceramics The invention relates to a device for melting or refining glass or glass ceramics. According to the invention, a device of this type is provided with the following characteristics: a plurality of tubes which are U-shaped and arrange side by side so that they form a ... | 06/22/2004 |
| 6705118 | Method of boosting a glass melting furnace using a roof mounted oxygen-fuel burner In an industrial glass furnace which contains recuperators, regenerators, electric boost or other devices for providing heat to glass batch material an oxy-fuel burner mounted in the roof of the furnace provides additional heat to melt the batch material. A method o... | 03/16/2004 |
| 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 |
| 6705117 | Method of heating a glass melting furnace using a roof mounted, staged combustion oxygen-fuel burner In an industrial glass furnace, which optionally contains recuperators, regenerators, electric boost or other devices for providing heat to glass batch material, at least one staged combustion oxy-fuel burner is mounted in the roof of the furnace to provide heat to ... | 03/16/2004 |
| 6679085 | Shaping tool with a structured surface for producing structures on glass, and the application thereof for structuring channel plates While avoiding the disadvantages of the screen printing technique employed until now, the invention provides a shaping tool (1) with a structured surface for creating structures on glass (2) which, in an economical way, makes it possible to form high-prec... | 01/20/2004 |
| 6672107 | Quartz glass crucible and process for the production thereof In order to provide a quartz glass crucible distinguished by high purity, high opacity and/or low transmissibility in the IR spectrum, it is proposed on the basis of a known quartz glass crucible of opaque quartz glass with a crucible body symmetrical in ... | 01/06/2004 |
| 6668591 | Liquid cooling of glassware molds A system for cooling molds in a glassware forming machine includes a pair of mold arms mounted on a hinge post for movement toward and away from each other, and at least one mold part carried by each mold arm and adapted to cooperate with each other to fo... | 12/30/2003 |
| 6526780 | Method of manufacturing a cathode ray tube To increase the strength of the glass panel of a CRT, the temperature of the glass panel is reduced during reforming from a temperature above, preferably at least 30° C. above the annealing point, to a temperature well below, preferably at least 80° C. ... | 03/04/2003 |
| 6519973 | Glass melting process and furnace therefor with oxy-fuel combustion over melting zone and air-fuel combustion over fining zone A process and furnace for melting glass is set forth wherein the majority of the combustion energy over the melting zone of the furnace is provided by oxy-fuel combustion while a majority of the combustion energy over the fining zone of the furnace is pro... | 02/18/2003 |
| 6516635 | Apparatus and method for making a joint-free Mach-Zehnder interferometer Method and system for constructing and testing integrity of a combination of first and second spaced apart optical fiber couplers that each receive and hold two fibers. A segment of each fiber in a separation region between the couplers is heated, twisted... | 02/11/2003 |
| 6497118 | Method and apparatus for reducing refractory contamination in fused silica processes In furnaces for producing high purity fused silica glass boules, the refractory in the area of the burner holes reaches such elevated temperatures that cause impurities to leach out and the dissociation of the refractory, causing contamination of the sili... | 12/24/2002 |
| 6494061 | Apparatus and method for conveying gobs of glass to a glass container forming machine An inclined trough assembly (10) for conveying, by gravity, formable gobs of glass at an elevated temperature to a section of a glass container forming machine of the I.S. type, the trough assembly having a trough member (12) configured, in cross-section,... | 12/17/2002 |
| 6470711 | Furnace for heat treatments of glass sheets A furnace particularly for heat treatments of glass sheets, comprising a longitudinally-elongated chamber which contains roller conveyor elements for the glass sheets. The furnace comprises irradiation-heating elements combined with first and second eleme... | 10/29/2002 |
| 6457330 | Apparatus and method for delivering a cased glass stream Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass includes a first orifice for receiving core glass from a first source, and an orifice ring forming a second orifice vertically spaced beneath and ali... | 10/01/2002 |
| 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 |
