| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 065134400 |
Oxygen enriched or nitrogen reduced gas utilized (i.e., modified air)
| 32 |
| 065134200 |
Subatmospheric pressure or vacuum utilized
| 14 |
| 065134900 |
By eliminating gaseous inclusions (e.g., bubbles, etc.)
| 14 |
| 065134500 |
By injecting gas below surface of molten glass
| 12 |
| 065135900 |
By charging batch material
| 10 |
| 065135200 |
By agitating
| 9 |
| 065135100 |
Glass conditioning channel section utilized
| 8 |
| 065135600 |
Electric furnace utilized (e.g., induction or radiant heat from electric source, etc.) | 5 |
| 20110041557 | MANUFACTURING OF GLASS - Glass is mass-produced with a glass melting furnace comprising a melting tank, at least a wall surface in contact with molten glass thereof being made of refractory material, at least one pair of electrodes placed so as to be in contact with the molten glass held in the melting tank for ohmically heating the molten glass held in the melting tank; and at least one metallic member, at least a surface of which is made of metal and placed so as to be substantially always in contact with the molten glass held in the melting tank. Every metallic member is, when the melting tank is filled with the molten glass, placed so as to be substantially always outside an electric current flowing region which is formed by the electrodes into the molten glass held in the melting tank. | 02-24-2011 |
| 20140366581 | PRODUCTION METHOD FOR NON-ALKALI GLASS - The present invention relates to a production method for a non-alkali glass, containing putting glass raw materials in a melting furnace, heating to a temperature of 1,350 to 1,750° C. to prepare a molten glass, and forming the molten glass into a sheet shape by float method, in which the heating in the melting furnace concurrently utilizes heating by combustion flame of burners and electrical heating of the molten glass by heating electrodes arranged so as to be dipped in the molten glass in the melting furnace, and in which when electrical resistivity at 1,350° C. of the molten glass is represented by Rg (Ωcm) and electrical resistivity at 1,350° C. of a refractory constituting the melting furnace is represented by Rb (Ωcm), the glass raw materials and the refractory are selected so as to achieve Rb>Rg. | 12-18-2014 |
| 20090120133 | PROCESS AND SYSTEM FOR FINING GLASS - A glass making process comprising a step of fining the molten glass in a fining vessel comprising a top wall portion not in direct contact with the molten glass, and a side wall portion in direct contact with the molten glass, wherein the top wall portion has a temperature T(top), the side wall portion has a temperature T(side), and T(top)−T(side)≦10° C., and a glass fining system. The invention is particularly useful for glass fining systems comprising a metal fining vessel made of precious metals such as Pt and/or Pt—Rh alloys. | 05-14-2009 |
| 20100218558 | Method for Temperature Manipulation of a Melt - For permitting temperature manipulation of a melt even at a conductivity below 10 | 09-02-2010 |
| 20130133373 | SILICON REFINING EQUIPMENT - The invention relates to equipment for refining a load of silicon(s) that comprises a crucible ( | 05-30-2013 |
| 065134600 |
Exhaust or top gas treated or recycled | 3 |
| 20110016923 | GLASS MELTING FURNACE - The present invention relates to a glass melting furnace comprising a channel-shaped melting tank, the batch materials being introduced at an upstream end, the molten glass being recovered at the downstream end, said furnace being heated by means of burners, in which the combustion energy is produced by oxy-fuel combustion in respect of at least 65% thereof, the burners being distributed on the walls along the length of the furnace, in which flue gas discharge is mostly localized close to the upstream end near the openings through which the batch materials are introduced, the rest of the flue gas being removed close to the downstream part so as to maintain dynamic sealing with respect to the surrounding atmosphere. | 01-27-2011 |
| 20120216575 | METHOD AND APPARATUS FOR REMOVING VOLATILIZED MATERIALS FROM AN ENCLOSED SPACE IN A GLASS MAKING PROCESS - An apparatus and method for removing volatilized chemical compounds from within enclosed or partially enclosed spaces containing molten glass. One or more condensing devices are positioned within the enclosure to produce preferential condensation of the vapor on condensing elements of the condensing devices, thereby facilitating easy removal of the condensates from the enclosure. The condensing elements may have a variety of shapes and sizes depending on the design of the enclosure. | 08-30-2012 |
| 20140318187 | GLASS MELTING METHOD AND MOLTEN GLASS LAYER BUBBLING GLASS MELTING FURNACE - This invention relates to the continuous production of molten glass for further production of glassware and can be used for glass melting and obtaining glass semiproduct. The technical objective of this invention is to provide a method and a furnace for producing molten glass with stabilized physical properties due to an increased phase boundary area, higher temperature in the glass furnace bath and intensified mixing as well as due to a higher output of the glass furnace. Molten glass layer bubbling glass melting method comprising melting the glass layer in the first chamber of the furnace to the working level, further uninterrupted loading of large and small charge portions into the molten glass layer with simultaneous intense bubbling of the molten glass layer with high-temperature combustion products aiming at the formation of the maximum possible charge/molten glass phase boundary area and achieving a molten glass temperature of at least 1500° C., which conditions intensify the melting, silicate formation, vitrification and homogenizing processes, delivery of the chemically and thermally homogeneous molten glass produced by bubbling to the degassing and cooling section located under the bubbled molten glass layer, with an intense release from the molten glass layer of process gases that pass through the bubbled layer to the space above the layer where the process gases undergo primary cleaning and cooling, and the degassed molten glass is delivered to the further output section. | 10-30-2014 |
| 065136400 |
By cooling molten glass | 1 |
| 20140260432 | PANEL-COOLED SUBMERGED COMBUSTION MELTER GEOMETRY AND METHODS OF MAKING MOLTEN GLASS - A melter apparatus includes a floor, a ceiling, and a substantially vertical wall connecting the floor and ceiling at a perimeter of the floor and ceiling, a melting zone being defined by the floor, ceiling and wall, the melting zone having a feed inlet and a molten glass outlet positioned at opposing ends of the melting zone. The melting zone includes an expanding zone beginning at the inlet and extending to an intermediate location relative to the opposing ends, and a narrowing zone extending from the intermediate location to the outlet. One or more burners, at least some of which are positioned to direct combustion products into the melting zone under a level of molten glass in the zone, are also provided. | 09-18-2014 |
| Entries |
| Document | Title | Date |
|---|
| 20090266111 | Method of Producing Glass - Provided is a method of producing a glass, including, in order to obtain an excellent refining effect: preparing a raw glass batch including: an antimony compound containing pentavalent antimony; and an oxidizing agent (a cerium oxide, a sulfate, a nitrate); and melting the raw glass batch. In preparing the raw glass batch, it is preferable that the antimony compound be premixed with the oxidizing agent. When the nitrate is used as the oxidizing agent, the raw glass batch is prepared so as to include the antimony compound in an amount of more than 0.5 parts by mass and at most 3 parts by mass, in terms of an amount of antimony pentoxide, per 100 parts by mass of a base glass composition expressed in terms of an amount of an oxide. | 10-29-2009 |
| 20100139322 | APPARATUS FOR USE IN THE GLASS INDUSTRY AND METHOD FOR PROCESSING MOLTEN GLASS - Apparatus, which is suitable for being surrounded by molten glass, the apparatus having a shank which has at least one at least partially seamless tube consisting of an oxide dispersion-strengthened PGM material, the shank having at least one thickened portion on which an actuating device is arranged. | 06-10-2010 |
| 20100199720 | APPARATUS AND METHOD FOR PRODUCTION OF DISPLAY GLASS - The apparatus ( | 08-12-2010 |
| 20110048076 | GLASS MANUFACTURING CONTAINER, GLASS MANUFACTURING APPARATUS WITH THE SAME AND GLASS MANUFACTURING METHOD USING GLASS MANUFACTURING APPARATUS - A glass manufacturing container includes a container body and an electron donor. The container body is made of a precious metal or an alloy containing a precious metal and has an inner surface to be brought into contact with molten glass and an outer surface kept from contact with molten glass. The electron donor is electrically connected to the outer surface of the container body. The electron donor is made of an electron donating material capable of donating electrons to the container body at operating temperatures. | 03-03-2011 |
| 20110107796 | SINTERED PRODUCT PRODUCED FROM A ZIRCON-BASED CHARGE - The present invention relates to a sintered product elaborated from a starting charge containing 75-99% of zircon, in mass percentage based on the oxides and having the following average weight chemical composition, in mass percentages based on the oxides | 05-12-2011 |
