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| Number | Title | Issue Date |
| 7386997 | System for and method of batch analysis and optimization for glass manufacturing Certain preferred embodiments of the present invention provide a system for and method of analyzing and cleaning a cullet stream prior to bottle manufacturing. In accordance with certain aspects of the present invention, the system includes a raw materials feeder, a... | 06/17/2008 |
| 7383698 | Method of manufacturing glass melt and method of manufacturing molded glass material A method of manufacturing glass melt and a method of manufacturing molded glass material by forming glass melt. In the method of manufacturing glass melt, the glass melt containing fluorine is prepared by melting glass raw materials and refining the resulting glass ... | 06/10/2008 |
| 7383699 | Method of manufacturing glass and compositions therefore The present invention relates to the production of glass. In particular, the present invention relates to a method for the production of glass utilizing processes of reacting materials in a glass furnace in either a batch mode or a continuous process. These reaction... | 06/10/2008 |
| 7373791 | Methods of forming particulate glass batch compositions The present invention provides method of contemporaneously forming a particulate glass batch composition and reducing volatile components in an exhaust stream, comprising the steps of: (a) introducing an exhaust stream comprising one or more volatile components into... | 05/20/2008 |
| 7260960 | Selective glass batching methods for improving melting efficiency and reducing gross segregation of glass batch components A method of controlling reaction paths of glass batch components added to a resident glass melt is provided, including the steps of providing a plurality of raw material batch components according to a batch recipe, selectively combining a portion of the batch compo... | 08/28/2007 |
| 7191619 | Process for producing glass and glass-melting apparatus thereof A process for producing a high-quality glass from highly reactive raw materials and a glass-melting apparatus for use therewith, comprising the step of charging a material for the glass to a molten glass in a heated vessel, (1) wherein an oxidizing gas is bubbled in... | 03/20/2007 |
| 7010940 | Process for producing glass and glass-melting apparatus thereof A process for producing a high-quality glass from highly reactive raw materials and a glass-melting apparatus for use therewith, comprising the step of charging a material for the glass to a molten glass in a heated vessel, (1) wherein an oxidizing gas is bubbled in... | 03/14/2006 |
| 6992031 | Method for producing aluminosilicate glass The invention relates to a method for producing aluminosilicate glass that is devoid of alkali and that has a B2O3 content of between 0 and | 01/31/2006 |
| 6763280 | Automated process for recycling batches of mixed color cullet into amber, green, or flint glass with selected properties An automated method for recycling mixed colored cullet glass (i.e., broken pieces of glass of mixed colors and types) into new glass products. A computer controlled process identifies the virgin glass raw materials, the desired target glass properties, the compositi... | 07/13/2004 |
| 6632086 | Quartz fusion crucible A crucible for melting a silica for fusion of said silica into a desired shape. The crucible having a main body with inner and outer surfaces comprised of a refractory material. In addition, at least a portion of the inner surface includes a barrier layer... | 10/14/2003 |
| 6622524 | Glass which absorbs ultraviolet light, method for producing said glass and use of the same Foodstuffs filled in glass containers undergo a change in taste under the influence of light. In order to combat such changes in taste the glass according to the invention contains vanadium pentoxide. Since pure vanadium pentoxide is relative expensive, t... | 09/23/2003 |
| 6605555 | Methods of increasing the redox ratio of iron in a glass article Glass is made from batch components having a source of ferrous iron to increase the starting amount of ferrous iron in the glass batch. The ferrous iron source is an iron silicate material, such as fayalite (2FeO.SiO2), iron garnet (3FeO.Fe | 08/12/2003 |
| 6531421 | Method of reducing the amount of lithium in glass production A method is provided for producing a glass batch. The method involves use of a calcium magnesium silicate as a batch component substitution for a lithium melting aid. The amount used is effective to produce a beneficial viscosity character and reduced bat... | 03/11/2003 |
| 6357264 | Apparatus for melting molten material This apparatus is a furnace for heating molten material which employs oxygen-fuel burner assemblies. Preferably, the assemblies are submerged in the molten material. They are water cooled top down units with burner nozzles being off-set from the supply co... | 03/19/2002 |
| 6349570 | In-barrel wetting screw charger A wet batch material charging apparatus having a charger screw housing having a batch material inlet and a batch material outlet, a dry batch material supply device adapted to deliver a dry batch material through the batch material inlet, a rotatable char... | 02/26/2002 |
| 6336346 | Synthetic silicate pellet composition and methods of making and using thereof A synthetic silicate pellet is provided having a component(s) of calcium and magnesium, either together or in the alternative. Such pellet is further provided with either an aluminate silicate binder and/or an ion flow catalyst. The synthetic silicate pel... | 01/08/2002 |
| 6318127 | Method of glass manufacture involving separate preheating of components Provided herewith is a method for preheating a glass mixture to be fed into a glass furnace. The method comprises separately preheating at least some of the materials which comprise the load, and then subsequently remixing the preheated materials and pass... | 11/20/2001 |
| 6279351 | Method and apparatus for making glass and particularly ceramic frits A method for making glass and particularly ceramic frits, comprising the steps of: introducing in a wet grinding unit, after a metering step according to chosen proportions, materials which constitute a mixture to be melted, to produce a slurry; screening... | 08/28/2001 |
| 6237369 | Roof-mounted oxygen-fuel burner for a glass melting furnace and process of using the oxygen-fuel burner Briefly, according to the present invention there is provided a refractory lined glass melter for producing refined glass from raw glass-forming material using at least one oxygen-fuel burner recessed within a burner block mounted in the roof of the furna... | 05/29/2001 |
| 6230521 | Method of recycling batches of mixed color cullet into amber, green, or flint glass with selected properties An automated method for recycling mixed colored cutlet glass (i.e., broken pieces of glass of mixed colors and types) into new glass products. A computer controlled process identifies the virgin glass raw materials, the desired target glass properties, th... | 05/15/2001 |
| 6125658 | Glass furnace and installation comprising same The invention relates to the electric melting technique, in which the melting energy is dissipated in the bath of melted glass as a result of the Joule effect by means of electrodes which dip through the surface of the bath. According to the invention, th... | 10/03/2000 |
| 6109062 | Apparatus for melting molten material This apparatus is a furnace for heating molten material which employs oxygen-fuel burner assemblies. Preferably, the assemblies are submerged in the molten material. They are water cooled top down units with burner nozzles being off-set from the supply co... | 08/29/2000 |
| 6079229 | Process for improving the thermal profile of glass ovens In a process for manufacturing glass in a furnace a glass charge in solid form is introduced into a furnace-charging zone at an upstream part of a furnace. The glass charge is moved from the furnace-charging zone to a zone for removing the combustion smok... | 06/27/2000 |
| 5711779 | Method for forming zinc phosphate based glasses A method for the manufacture of phosphate glass comprising forming an aqueous slurry by mixing phosphoric acid, a zinc compound and other batch materials in the required proportions, heating the batch slurry to produce a molten phosphate glass that exhibi... | 01/27/1998 |
| 5709725 | Process for producing a glass melt A process for producing a glass melt by heating stock for glass comprising as the main ingredients oxides from which oxide glasses are to be formed into a melt, characterized in that said ingredients are formed into a homogeneous melt in the presence of a... | 01/20/1998 |
| 5709728 | Method and device for the production of mineral wool by using mineral wool waste as recycled starting material The melting tub for producing the molten mass from a mixture of raw material is associated with an additional melting unit by means of which a recycled molten mass is obtained from mineral wool waste largely corresponding to the molten mass obtained from ... | 01/20/1998 |
| 5672190 | Pool separation melt furnace and process Process and furnace for the continuous production of a molten pool from particulate meltable batch materials such as glass-forming raw materials. The raw materials, in particulate form, are injected into and suspended in combustion gases within a combusto... | 09/30/1997 |
| 5655464 | Apparatus for melting glass A furnace for melting vitrifiable materials having a compartment (1) for the melting/refining of the glass and which is provided in its upstream part with at least one opening (12) to be supplied with vitrifiable materials (10) with the aid of a charging ... | 08/12/1997 |
| 5643489 | Manufacturing method of far infrared ray emitting material and far infrared ray emitting product using the same The present invention relates to a manufacturing method of a far infrared ray emitting material having a wavelength of predetermined frequency band and a far infrared ray emitting product using the same, the manufacturing method including steps of: having... | 07/01/1997 |
| 5637127 | Plasma vitrification of waste materials This invention provides a process wherein hazardous or radioactive wastes in the form of liquids, slurries, or finely divided solids are mixed with finely divided glassformers (silica, alumina, soda, etc.) and injected directly into the plume of a non-tra... | 06/10/1997 |
| 5588977 | Method of producing glass materials from ash-slag waste A method of obtaining glass materials from ash-slag. Waste wherein the waste is heated to a melting point temperature and melted in a reducing medium. The obtained melt is cooled by a thermal shock to form a foamed glass material. Prior to heating the cha... | 12/31/1996 |
| 5588978 | Process and apparatus for coloring glass A method and apparatus for the production of colored glass includes the steps of diverting a stream of clear molten glass from at least one glass melting furnace through one or more transport channels to a color treatment chamber. Recycled cullet and colo... | 12/31/1996 |
| 5482526 | Method for forming a non-hygroscopic zinc-phosphate compound and a zinc-phosphate glass The instant invention describes a method for preparing a stable, anhydrous non-hygroscopic zinc phosphate compound which is suitable for use as a batch material in the preparation of zinc-phosphate glasses. This method comprises three basic steps: first, ... | 01/09/1996 |
| 5447547 | Annular batch feed furnace and process A particle suspension furnace having an upper injector section, an intermediate combustion section and a lower separation section. The injector section comprises a central fuel conduit for supplying a rich fuel/air mixture to a burner at the base of the i... | 09/05/1995 |
| 5401287 | Reduction of nickel sulfide stones in a glass melting operation Material selected from the group consisting essentially of molybdenum, arsenic, antimony, bismuth, copper, silver, potassium dichromate and iron chromite, is added during the manufacture of soda-lime-silica float glass to reduce the occurrences of nickel ... | 03/28/1995 |
| 5352258 | Production of glass fibers from scrap glass fibers The process and apparatus of the present invention enable the production of glass fiber product from scrap glass fibers. The process includes: feeding the scrap glass fibers having an average length up to around 12 inches to a glass melting tank having a ... | 10/04/1994 |
| 5320986 | Green-colored infrared and ultraviolet radiation absorbing glass and method of producing same An infrared and ultraviolet radiation absorbing glass suitable for use in building and vehicle windows, which comprises, on a weight basis, 68-72% of SiO2, 1.6-3.0% of Al2 O3, 8.5-11.0% of CaO, 2.0-4.2% of MgO, 12.0-16.0% ... | 06/14/1994 |
| 5123942 | System for charging batch/cullet in a glass furnace A charger apparatus having a reciprocable charger plate for feeding batch and cullet to a glass melting furnace. The cullet is preferably first preheated in a charger mounted cullet feed hopper utilizing exhaust gas from the furnace as the heat source. Th... | 06/23/1992 |
| 4921521 | Method and furnace for melting inorganic materials This furnace for melting inorganic materials comprises a plurality of spaced-apart inner walls dividing the furnace interior into a plurality of chambers, at least one being a liquefying chamber and at least one being a secondary chamber. Each liquefying ... | 05/01/1990 |
| 4818221 | Processes and devices for melting materials capable of forming fibers An improved charging process for an enclosure for melting materials such as blast furnace slags or basaltic glasses. The supply of combustive gas is carried out nonuniformly in order to create a gas circulation velocity gradient in the section of the cupo... | 04/04/1989 |
