U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Radio has no future."

Lord Kelvin, British mathematician and physicist ; 1897

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 65/135.7 - With submerged electrodes


Subclass of Class 65 - Glass manufacturing
Definition: Processes wherein heating electrodes are located below the
No. of patents: 45
Last issue date: 06/19/2007


1    
NumberTitleIssue Date
7232975Plasma generators, reactor systems and related methods
A plasma generator, reactor and associated systems and methods are provided in accordance with the present invention. A plasma reactor may include multiple sections or modules which are removably coupled together to form a chamber. Associated with each section is an...
06/19/2007
7134299Meltdown 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
7040122Process 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
7021082Method 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
6629437Method 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
6357264Apparatus 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
6334337Air bubbler to increase glass production rate
In a glass melter, a precious metal insert is used to protect a gas bubbler from corrosion at the orifice of the bubbler through which gas is injected into the melt. The use of a precious refractory metal insert at the bubbler orifice prevents the attack ...
01/01/2002
6125658Glass 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
6085551Method 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
6058741Installation for vitrification of liquid radioactive wastes, cooled discharged unit and cooled induction melter for the installation
The present invention relates to apparatuses for processing homogeneous/heterogeneous radioactive wastes comprising ion-exchange resins. A cooled discharge unit comprises a discharge pipe, a cooling jacket having a U-shaped form in cross section, a collec...
05/09/2000
6044667Glass melting apparatus and method
A system for melting and delivering glass to a work area such as spinners for making fiberglass includes a melter with heaters so arranged that the "hot spot" in the molten glass is located away from the walls and corrosion sensitive parts so that the var...
04/04/2000
5964913Method of making a vitreous material
The invention relates to a single phase vitreous material and to its production from a melt of a glass-forming multi-component feed mix. The process includes the preparation of a single phase melt in which there are mobile cations from a glass forming fee...
10/12/1999
5961686Side-discharge melter for use in the manufacture of fiberglass
An electric open-top melter for use in the manufacture of mineral fibers, such as fiberglass, is provided with a side-discharge outlet. The side-discharge outlet allows the melter, conditioner/refiner, and forehearth to all be located on substantially the...
10/05/1999
5906119Process and device for melting glass
A process and a device for melting glass. According to the invention, the melting of vitrifiable materials is performed in a melting compartment by at least one fuel burner, the combustive material being formed mainly by essentially pure oxygen, at least ...
05/25/1999
5749932Refractory electrodes for joule heating and methods of using same
A certain group of electrically conductive refractory materials presently known for use in high temperature applications as throat constructions, melter sidewalls, forehearth, stacks, port sills, hot face lining for slagging coal gasifiers, slag runners, ...
05/12/1998
5609661Channel 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
5588978Process 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
5564102Glass melting treatment method
An object material to be melted (radioactive liquid waste and glass material) 16 is charged into the interior of a cold-crucible induction melting apparatus 10, and a conductor 18 the melting point of which is higher than that of the glass material is ins...
10/08/1996
5340372Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste
Material, such as, for example, sealed double bags of asbestos containing waste or ash from infectious waste or toxic material or radioactive waste, is transferred into a glass melt of a furnace. Gas bubbles released into the melt form a gas curtain which...
08/23/1994
5241558Vertical glass melting furnace
A vertical glass melting furnace of the type having an inlet for raw materials at the top thereof, an outlet for molten glass at the bottom thereof, and a tabular electric resistance heating element for melting which is immersed at some level in molten gl...
08/31/1993
5096479Method of enhancing fused quartz body purity
The method of enhancing purity of a fused quartz body having opposed boundary surfaces, includes the steps of maintaining the body at a temperature above 1000° C. and at the same time applying a polarizing potential across the boundary surfaces by electr...
03/17/1992
5035735Process for vitrifying environmentally hazardous waste material in a glass melting furnace
Process for vitrifying environmentally hazardous waste material in a glass melting furnace includes forming a batch including the waste material and no more than 30 weight percent additives including phonolite and SiO2 containing substances. A ...
07/30/1991
4969940Apparatus and method for making mineral wool from coal-ash
An apparatus and method which provides for controlled melting of both components of coal-ash, as well as the melting of selected additives, the melted coal-ash with additive being immediately available to a conventional fiberizing spinner stage. An arc fu...
11/13/1990
4944785Process using melt accelerator for the conversion of solid waste substances into glass
Waste substance such as incineration ash is mixed with cullet and alkaline earth salt to form a mixed batch which is added to a glass melt heated solely by electrodes, producing an exhaust gas which is introduced into the batch thereby cooling the gas to ...
07/31/1990
4929266Method of manufacturing glass
A method for manufacturing glass wherein raw material is fed as a batch to a continuous glass-melting tank furnace, melted in a melting tank and passed to a refining tank via a submerged throat. The melt is heated in the refining tank to de-gas it, and th...
05/29/1990
4919698Avoidance of nickel sulfide stones in a glass melting operation
Nickel sulfide stones are avoided in a glass melting operation by electrolytically maintaining oxidizing conditions near the bottom of the upstream portion of a melting furnace at a location upstream from the establishment of a spring zone....
04/24/1990
4820329Methods for the batchwise production of glass
A process for the batchwise production of glass performs melting, refining and discharging steps in electrically heated identical vessels, wherein at least the refining step is conducted during rotation of a vessel, and discharging of the refined glass ta...
04/11/1989
4693740Process and device for melting, fining and homogenizing glass
Device for continuous manufacture of fined glass in which the flow of molten material is transferred from a melting compartment (1) to a fining compartment (2) by a submerged throat (8), the fining compartment (2) comprising a chute (14) carrying the mate...
09/15/1987
4557743Method of and apparatus for monitoring the redox state of elements in glass
A method of and apparatus for monitoring the redox state of one or more elements in glass are disclosed in which a working electrode 2 and an auxiliary electrode 7 are immersed in the glass 11 while the latter is molten. A scanning potential is applied to...
12/10/1985
4549895Method 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
4528013Melting furnaces
A melting furnace is disclosed which heats by joule effect to supply molten material of uniform temperature at the floor of the melter. During formation of molten material, an essentially isothermal condition across a given horizontal plane of the body of...
07/09/1985
4424071Molten mass temperature conditioner
A container between the output of a melting furnace wherein the molten mass is also refined, such as for glass, and the ducts to a plurality of forming machines comprising a larger first zone and a plurality of smaller second zones corresponding to each f...
01/03/1984
4323383Method and apparatus for uniformly heating a glass stream within the feeder of a glass melting furnace
A method and a system for uniformly heating a glass stream flowing in the feeder of a glass melting furnace wherein power or energy is supplied through the electrodes immersed in the glass melt and wherein the temperature of the glass stream is continuous...
04/06/1982
4230473Method of fabricating optical fibers
The separate steps of forming an optical fiber preform and then drawing the fiber are combined into an essentially simultaneous process wherein a "stub" preform (18) is formed by means of the so-called "vapor-phase axial-deposition" method while the fiber...
10/28/1980
4135905Process for glass melting
Process for improving operations of an electric furnace for melting glasses is described wherein about 0.1 to about 7%, expressed as BaO, of barium carbonate is added to the glass batch to form a permeable and pliant batch blanket on the glass melt in the...
01/23/1979
4118215Method and apparatus for heating glass in a forehearth
A method and apparatus are disclosed for heating molten glass in a forehearth of a glass furnace connected to a plurality of feeder conduits. An electrode is positioned at the inlet of the forehearth and another electrode is positioned at the inlet of at ...
10/03/1978
4097259Feeder conduits for a glass furnace with heating electrodes
A feeder conduit is disclosed for conveying molten glass from a forehearth of a glass furnace to a glass forming machine. The feeder conduit includes an elongated conduit which receives molten glass from the forehearth and delivers the molten glass to an ...
06/27/1978
4029489Method of and apparatus for melting of glass
A glass melting furnace in which glass can be heated by sources below its upper surface, as electrically by Joule effect, and by means above its upper surface, as by fossil fuel firing or by heat reflectors. A cold top melting mode is employed in the char...
06/14/1977
4029488Method of adjusting glass temperature in a forehearth
The temperature of molten glass conveyed by means of a forehearth between a melting furnace and a discharge orifice in a bowl remote from the furnace is controlled and adjusted thermally by a method that includes an abrupt bottom-zone temperature reductio...
06/14/1977
4004902Method of dyeing and treating glass streams
A method for dyeing a glass stream whereby the stream is heated electrically during upward flow, thereafter passed horizontally with a free surface formed atop the stream, adding color frits dyes or the like to the horizontal stream, mechanically agitatin...
01/25/1977
1    
 
Sign InRegister
Username  
Password   
forgot password?