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8156766 |
Molten optical glass fining apparatus
The present invention significantly modifies the currently known fining apparatus (finer). The basic shape is changed from a cylindrical shape to an elliptical shape, a somewhat rectangular shape,...
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8051682 |
Apparatus and method for making glass preform with nanofiber reinforcement
There is provided an apparatus and method for making a glass preform with nanofiber reinforcement. The apparatus comprises a container for melting one or more glass components in a mixture...
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8042362 |
“Kibol's module” plant for producing inorganic fibers of rocks
A plant for producing inorganic fibers from rocks includes a furnace for obtaining a melt connected to a feeder, working aperture and a warmed feeder with draw dies located below a working...
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7946129 |
Reducing crown corrosion in a glassmelting furnace
Corrosion of the inner surface of the crown of a glassmelting furnace is reduced or avoided by directing at low velocity along that surface a gaseous stream comprising water vapor, or comprising...
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7823417 |
Method of manufacturing high performance glass fibers in a refractory lined melter and fiber formed thereby
A method of forming high strength glass fibers in a refractory lined glass melter is disclosed. The refractory lined melter is suited to the batch compositions disclosed for the formation high...
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7703304 |
Apparatus for quantitative solidification of molten salt by using vacuum transfer and dual vessel
Provided are an apparatus and method for manufacturing a solidified salt that is easy to treat in size and shape by using a vacuum transfer and a dual vessel. In the apparatus for quantitative...
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7650764 |
Vacuum degassing apparatus for molten glass
A vacuum degassing apparatus for molten glass includes a vacuum housing which is evacuated to be depressurized therein; a vacuum degassing vessel which is provided in the vacuum housing to...
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7624595 |
Method and device for melting and refining materials capable of being vitrified
A process for melting and refining vitrifiable materials, such that all or part of the thermal energy necessary for melting the said vitrifiable materials is supplied by the combustion of fossil...
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7509819 |
Oxygen-fired front end for glass forming operation
A front end for a glass forming operation comprises an open channel and at least one burner. The channel has at least one surface. The surface has at least one hole therein. The burner is oriented...
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7497094 |
Glass melting furnace and method for producing glass
A charged glass raw material B is melted in a melting tank 10 by heating with a burner 31 and by heating with electrodes 12, to form molten glass G. Then, the molten glass G flows into a tank...
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7475569 |
Exhaust positioned at the downstream end of a glass melting furnace
A glass-melting furnace (10) has an upstream end (6), a downstream end (8), and a roof (22). The upstream end is positioned upstream of the downstream end. A charger (32) is provided to supply...
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7451621 |
Bubble formation in liquid such as molten glass
Bubbles of uniform diameter of 0.5 to 4 cm of gas such as helium are formed and pass into liquid such as molten glass by accumulating a sufficient volume of gas through a flow restriction into a...
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7444837 |
Method and device for melting glass using an induction-heated crucible with cooled crust
A method and an apparatus for the rapid melting of glasses in a skull crucible is provided. The method and apparatus introduce high-frequency energy into the contents of the crucible by means of a...
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7392668 |
Low heat capacity gas oxy fired burner
A front end for a glass forming operation including an open channel and at least one burner. The channel surface has at least one burner port and a burner oriented in the burner port at an acute...
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7380416 |
Conduit for molten glass, connecting conduit for molten glass and vacuum degassing apparatus
The present invention provides a A metal conduit for molten glass and a vacuum degassing apparatus are disclosed, which are capable of coping with extension and contraction, and vibration. By...
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7377132 |
Conduit for molten glass, molten glass degassing method and molten glass degassing apparatus
A conduit for molten glass, a molten glass degassing method and a sub-atmospheric apparatus are provided, which are able to produce homogenous and good quality glass at low cost. A conduit for...
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7296441 |
Device and method for melting a substance with the occurrence of a low level of contamination
The invention relates to an apparatus and a method for low-contamination melting of high-purity, aggressive and/or high-melting glass or glass-ceramic. According to the invention, for this purpose...
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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...
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7150165 |
Molten glass fining apparatus
The basic shape of the molten glass fining apparatus of the present invention is preferably either an elliptical or a somewhat rectangular shape such that the flow is more uniform and the bubbles...
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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...
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7137277 |
Method and device for producing colored glasses
The invention relates to a method and a device for producing colored glasses. The aim of the invention is to obtain a paricularly intimate mixture and to enable a quick change of the melt at the...
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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...
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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...
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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...
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7013677 |
Device for glass melt delivery and method for using them
The present invention provides devices for glass melt devlivery and methods for using these devices. In these devices, a delivery nozzle comprising at least one platinum group metal material is...
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6923021 |
Method and apparatus for fused silica production
A fused silica production furnace and methods of producing fused silica are disclosed. The furnace and the methods involve using a foamed refractory having a network of interconnected pores.
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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...
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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...
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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...
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6810693 |
Continuous in-line system for producing high temperature glass fiber materials
The invention relates to an in-line process for producing high-temperature stable glass. A sizing composition is advantageously used to reduce plasticizing between the resinous matrix and the glass...
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6789396 |
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 for feeding and burning pulverized fuel, such as petroleum coke, in a glass melting furnace, which includes a glass melting and a plurality of burners associated with a pair of...
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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...
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6708527 |
Glass feeder operated with oxy-gas combustion
A glass feeder comprises an enclosed chamber through which molten glass can pass, and passing through each side wall into the chamber at least one burner comprising first and second burner head...
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6651461 |
Conveyor belt
A conveyor belt including a series of predefined sections and elevated support structures at the edges of each section for supporting items on the belt above the belt at each section.
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6634189 |
Glass reaction via liquid encapsulation
A method of making chalcogenide glass which utilizes liquid encapsulation to prevent the evaporation loss of low boiling point or high vapor pressure glass components while the glass melt is being...
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6620372 |
Method and device for drawing a molten material contained in a crucible
A drawing-off device (18) is used to empty a molten material (28) such as glass contained in a cooled crucible (10), in which there is an elongated pour orifice (30), a cooled slide valve (32) and...
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6560996 |
Vacuum degassing apparatus for molten glass
Molten glass has a liquid level located at a higher level than lower ends of an uprising pipe and a downfalling. In addition, a contacting portion of the uprising pipe or the downfalling pipe and a...
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6532771 |
Method for controlling glass furnace atmosphere
Glass is produced in a glassmelting furnace by combusting fuel and oxidant having an oxygen content greater than 80 vol. % oxygen in a melting zone to form molten glass, wherein the surface of the...
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6401492 |
Process for physical refinement of a liquid especially a glass melt, and apparatus for performing said process
In many engineering production processes, for example glass or glass-ceramic manufacturing processes, liquids, such as glass melts, participate in the processes in which gases are dissolved, which...
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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...
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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...
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6314760 |
Glass 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...
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6289697 |
Apparatus and method for controlling molten glass flow through a forehearth
Apparatus for controlling rate of molten glass flow through a forehearth that includes a flume disposed in the forehearth for restricting the width of the forehearth to glass flow, such that there...
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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...
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6253578 |
Glass melting process and apparatus with reduced emissions and refractory corrosion
A glassmelting apparatus which reduces alkali corrosion comprising: a glassmelting furnace having a plurality of walls, a crown, a charge end, a batch melting area and a fining area; at least two...
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6134921 |
Directly cooled, side fired forehearth
A forehearth (20) for cooling glass from a melting furnace as it flows to a feeder bowl (28) from which it is discharged to a forming machine. The forehearth is in the form of an elongate,...
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6101847 |
Method of firing a glass melting furnace with oxygen
A method for melting and refining glass, such as E glass, comprises feeding glass batch materials into a melting and refining tank for melting and refining the glass batch materials into glass and...
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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...
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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...
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6047566 |
Method and device for melting recycled silicate starting materials
The present invention concerns a method for melting recycled silicate starting materials. A rotating transport flow with helical flow filaments of transport air and starting material is supplied in...
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