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| Number | Title | Issue Date |
| 7134299 | Meltdown device as well as a process for the production of high-UV-transmitting glass type The invention relates to a meltdown device for the production of high-UV transmittive glass types, comprising a meltdown tank for a melt bath a feed opening for the supplying or laying-in of highly pure raw materia... | 11/14/2006 |
| 7040122 | Process for production of molten glass The invention concerns a process and a device from the production of molten glass. According to the invention, measures will be taken to lead the current of the molten glass through the tank furnace so that cutoffs of the glass current between the surface of ... | 05/09/2006 |
| 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 |
| 6629437 | Method of improving the quality of glass The invention relates to a method for suppressing the formation of oxygen gas bubbles at the contact interface between a glass melt and a component of a glass melting arrangement with this component being made of a precious metal. This component is especi... | 10/07/2003 |
| 6422041 | 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.... | 07/23/2002 |
| 6085551 | Method and apparatus for manufacturing high melting point glasses with volatile components In the manufacturing of high melting point glasses with volatile components, in particular of glasses from the group of boron glasses and borosilicate glasses, a furnace is provided that has a superstructure, fossil fuel burners, and a melting tank. In fr... | 07/11/2000 |
| 5613994 | Electric furnace for melting glass The device for melting glass includes a compartment 1 for melting with a discharge throat 11 defined on top by a mobile carrier 16 having an upper part 18 extending upward above the level of glass and a lower part 17 intended to be totally immersed in the... | 03/25/1997 |
| 5609661 | Channel for the transfer and conditioning of molten glass A channel (1) for the outflow/conditioning of molten glass includes a duct and superstructure (5) and is designed to transfer the molten glass from a vitrifiable material melting and refining zone (6) to a molten glass forming zone, in order to take it fr... | 03/11/1997 |
| 5574746 | Melting furnace for thermal treatment of special wastes containing heavy metals and/or dioxin A melting furnace for thermal treatment of heavy metal-containing and/or dioxin-containing special wastes, including a clog preventing system including a principal furnace vessel, which exhibits a melting tank for holding a melt; at least one feeder for f... | 11/12/1996 |
| 5327452 | Forehearth A forehearth for a glass furnace comprises a trough and roof over the trough, the roof having two longitudinal ridges extending downwardly towards the surface of the glass to define three longitudinal chambers. The central chamber forms a conduit for the ... | 07/05/1994 |
| 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 |
| 4900337 | Method and apparatus for working molten glass The invention relates to working molten glass in tank furnaces for continuous production. According to the process of the invention, the vitrifiable material being brought first to the molten bath state in a zone upstream from the tank, and said bath then... | 02/13/1990 |
| 4831633 | Glass melting furnace Glass is made from a feed consisting of batch materials and cullet in a furnace that is both electrically and gas fired. A batch-only hopper discharges through a blanket conveyor to a batch melting chamber that is electrically fired and is connected via a... | 05/16/1989 |
| 4798616 | Multi-stage process and apparatus for refining glass or the like In a method of making glass or the like, wherein the batch materials are liquefied in a distinct zone from the refiner, the liquefied material is heated in an intermediate stage before being fed to the refiner. In preferred embodiments the intermediate st... | 01/17/1989 |
| 4789990 | Glass melting furnace of improved efficiency Disclosed is an improved efficiency glass melting furnace and a method of operation in which a mixture, or batch, is fed at a narrow side of a rectangular glass melting tank onto the molten glass mass (or bath) across the full width thereof. The furnace i... | 12/06/1988 |
| 4610711 | Method and apparatus for inductively heating molten glass or the like Glass or the like is melted by liquefying batch materials in a first stage by means of radiant heating, and further advancing the melting process in a second stage where the melt is heated by induction heating. Another aspect of the invention provides a r... | 09/09/1986 |
| 4594089 | Method of manufacturing glass A method for manufacturing glass by melting a batch of raw material in a melting chamber of a continuous glass-melting tank furnace, permitting the glass to flow through a rising passageway and a sill provided by the furnace to a separate refining chamber... | 06/10/1986 |
| 4433995 | Glass manufacture A continuous process of making glass, in which a vitrifiable batch is fed to a furnace equipped with heating devices for melting the batch so as to produce molten glass. The furnace has a melting end into which the batch is fed and a delivery end remote f... | 02/28/1984 |
| 4426217 | Electric melting of solidified glass in melting units A method and apparatus for electrically melting solidified glass in difficult to reach regions of a glass melting furnace not readily accessible with fossil fuel heating means and, more particularly, to an electrode arrangement for electrically heating so... | 01/17/1984 |
| 4389725 | Electric boosting control for a glass forehearth Molten glass entering from a refiner is conditioned, in an optimum operation, such that its temperature along the center of the flowing glass just in advance of its entry into the feeder, will be of equal temperature near the surface near the bottom and i... | 06/21/1983 |
| 4227909 | Electric forehearth and method of melting therein Disclosed is a method and apparatus for preventing the formation of blisters in an electrically-heated forehearth that utilizes submerged electrodes connected to either a single or plural phase alternating current source. The electrodes are arranged so th... | 10/14/1980 |
| 4184863 | Glass melting furnace and method A method for the melting of glass, wherein a layer or blanket of batch material is fed onto a bath of molten glass, the liquid glass is withdrawn from the bath in a lower position through an opening, and the batch material is subjected to thermal energy f... | 01/22/1980 |
| 4110098 | Molten glass refining apparatus The improvement in an apparatus for refining glass being fed along a channel wherein the molten glass is foamed throughout its thickness, the improvement involving an increase in the width of the channel at the location of foaming. Also, the channel is pr... | 08/29/1978 |
| 4026689 | Apparatus for making glass fibers A feeder for delivering streams of molten mineral material for attenuation into filaments having an electrically conductive bottom wall with orifices formed therein. The molten material in the feeder passes through the orifices and is delivered as streams... | 05/31/1977 |
| 4012218 | Method and apparatus for melting glass A glass melting furnace having a melting section and an adjacent refining section. The two sections are interconnected by a step or barrier which reduces the cross-sectional area of the furnace. The refining section has at least one plane of a plurality o... | 03/15/1977 |
