Class 65/21.5 - With mechanical shaping or subdividing

Subclass of Class 65 - Glass manufacturing
Definition: Processes including mechanical shaping of molten glass into
No. of patents: 24
Last issue date: 05/08/2012

Number	Title	Issue Date
8171751	Foamed glass composite material and a method of producing same A method of making a foamed glass composite, including crushing a vitreous precursor material, such as waste glass, frit, metallurgical slag or the like, sizing the crushed vitreous precursor to segregate an amount of crushed particles of a predetermined size and pe...	05/08/2012
8091385	Formation of glass flakes A method for changing the width of particle thickness size distribution of flakes of material with the flakes being formed by a process that includes the steps of feeding a stream of molten material in a downwards direction into a rotating cup or disc and allowing t...	01/10/2012
7197896	Methods of making AlO-SiO ceramics Methods for making glasses and glass-ceramics comprising Al2O3 and SiO2. Glasses made according to the present invention can be made, formed as, or converted into glass beads, articles (e.g., plates), fibers, particles, and thin coat...	04/03/2007
7021083	Manufacture of high purity glass tubes A glass tube for use in an optical fiber preform is produced by applying a first soot on an end face of a starting member to form an elongated, porous cylindrical soot core having a first density, and applying a second soot including SiO2 on the periphery...	04/04/2006
6832493	High purity glass bodies formed by zero shrinkage casting The present invention relates to a method for forming an optical device. The method includes providing a glass aggregate. Typically, the glass aggregate is a mixture of fine glass soot particles and coarser ground or milled glass powder. The glass particles are mixe...	12/21/2004
6758062	Plasma display panel production method The present invention intends to provide a manufacturing method for a plasma display panel, so as to overcome problems associated with a withstanding voltage of a dielectric glass layer. Glass particles have angular shapes after grinding with a grinder, but as the s...	07/06/2004
6742364	Method of manufacturing micro glass optical element A method of manufacturing a micro molten glass droplet, has the steps of, colliding a molten glass droplet with a micro through hole formed in a plate-shaped member; and pushing out at least part of the glass droplet to a reverse surface of the micro through hole as...	06/01/2004
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
5928397	Method to produce fused quartz particulates A method to produce fused quartz particulates from quartz sand is disclosed employing continuous withdrawal of the molten material from a furnace apparatus. The molten material is rapidly cooled as withdrawn causing thermal fracture which is followed by m...	07/27/1999
5643347	Process for manufacture of silica granules To produce a free-flowing granulate which has a high bulk density and a defined particle size distribution, which generates little dust, is easy to handle, and is suitable as a starting material for quartz glass products, the mixing operation includes a f...	07/01/1997
5538526	Recycle of glass furnace waste materials A novel glass batch material produced from materials comprising refractory brick and one or more fluxes and an associated method, and a method of making glass utilizing the novel glass batch material. The present invention provides a method of safely and ...	07/23/1996
5340372	Process 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
5294237	Process for producing flakes of glass A process for producing flakes of glass. The process is started by applying a solution containing an organic metal compound to a substrate. The solution is dried and peeled from the substrate. The resultant film is sintered. There is also disclosed an app...	03/15/1994
5279633	Method of producing a glass body A convenient method of producing porous silica particles is disclosed. The particles produced by the method can have impurity levels in the parts-per-billion range, and can have substantially uniform size. The particles are advantageously used to produce ...	01/18/1994
5030332	Method for making magnetic oxide precipitates A mixture including at least one iron oxide and a mon-magnetic matrix material is melted or vaporized and then heat is rapidly removed from the material. The resulting magnetic oxide precipitates are densely packed in the non-magnetic matrix. The precipit...	07/09/1991
5013346	Method of making additive powders for coating materials or plastics The present invention provides an additive powder for coating materials or plastics, comprising a particle of a metal or glass, comprised of a particle having a thickness of 0.5 to 5 μm, a minor axis/major axis of from 5 to 500 μm, an aspect ratio (rati...	05/07/1991
5004488	Process for producing high purity fused quartz powder High purity fused silica particles are made by heating relatively low density silica flour in a high temperature flame. The silica flour feed rate, flame temperature, and collection zone temperature are adjusted to produce an aggregate of surface-bonded f...	04/02/1991
4997485	Aggregate for concrete or a similar building material and a method of producing such aggregate An aggregate is produced from waste glass which is initially crushed to a granular state and is thereafter roughened at its surfaces and rounded at its edges. This result is obtained by a grinding treatment. The aggregate can be used for concrete. It allo...	03/05/1991
4872895	Method for fabricating articles which include high silica glass bodies A method for forming articles which include silica-containing glass bodies, as well as the resulting articles, are disclosed. In accordance with the method, silica-containing gel particles are fused to form a glass body. In contrast to previous such metho...	10/10/1989
4425148	Device for the continuous production of glass bodies especially containing radioactive waste An apparatus for converting molten glass containing radioactive waste into molded pellets or spheres comprising means for generating a flowing stream of the molten glass and a rotating wheel disposed beneath the flowing stream. The wheel is preferably mou...	01/10/1984
4200445	Method of densifying metal oxides A method of densifying a fumed metal oxide is disclosed wherein the metal oxide is converted to a flowable sol and then dried to form a fragmented solid which is calcined. The calcined oxide may be wet milled to provide a slip for casting articles such as...	04/29/1980
4126437	Magnetic glass carrier materials Electrostatographic carrier materials having low bulk densities and high magnetic permeabilities are obtained by providing an alumino-boro-silicate glass particle containing from between about 10 to about 15 molar percent Fe2 O3 in w...	11/21/1978
4042361	Method of densifying metal oxides A method of densifying a fumed metal oxide is disclosed wherein the metal oxide is converted to a flowable sol and then dried to form a fragmented solid which is calcined. The calcined oxide may be wet milled to provide a slip for casting articles such as...	08/16/1977
4024647	Temperature controlled heater tray A method and apparatus is disclosed for drying and conveying chopped glass strands. The system includes apparatus for controlling the temperature of the conveying means to thereby control the drying of the wet chopped glass strand and to avoid overheating...	05/24/1977

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Class 65/21.5 - With mechanical shaping or subdividing