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Class 65/90 - Sheet


Subclass of Class 65 - Glass manufacturing
Definition: Processes in which the product is sheet stock.
No. of patents: 52
Last issue date: 05/22/2012


1    
NumberTitleIssue Date
8181485Roll-to-roll glass soot sheet sintering method and apparatus
An ultra-thin glass sheet is formed using a roll-to-roll glass soot deposition and sintering process. The sintering involves initially heating and sintering one or more central segments of a glass soot sheet, and progressively heating and sintering glass soot sheet ...
05/22/2012
8176753Methods and apparatus for reducing heat loss from an edge director
An apparatus for making a glass sheet includes a forming wedge with a pair of inclined forming surface portions converging along a downstream direction to form a root. The apparatus further includes an edge director intersecting with at least one of the pair of down...
05/15/2012
8141388Radiation collimator for infrared heating and/or cooling of a moving glass sheet
A glass manufacturing system and a method are described herein that use an enhanced temperature control device to help manufacture a uniformly thick glass sheet that is substantially stress free. In one example, the enhanced temperature control device includes an ar...
03/27/2012
8056365Sheet glass forming apparatus
One embodiment of the present invention is an improved sheet glass forming apparatus. In another embodiment, a precise thermal control system redistributes the flow of molten glass at the weirs to counteract the degradation of the sheet forming apparatus which inevi...
11/15/2011
8033137Process to preserve isopipe during coupling
Methods for reducing stress on an isopipe during manufacture of a drawn glass sheet are disclosed including a method comprising providing an isopipe having a root, heating the isopipe to a predetermined temperature, maintaining the isopipe at the predetermined tempe...
10/11/2011
7818980Forming glass sheets with improved shape stability
Systems, methods, apparatus and products relate to display glass from curved glass ribbons, to improve shape stability in glass ribbons, to creation of reduced stress glass ribbons, and to creation of improved shape stability and reduced stress of display glass, whi...
10/26/2010
7430880Pull roll assembly for drawing a glass sheet
A pull roll assembly is described herein that is used to draw a glass sheet. The pull roll assembly includes a first roll assembly, a second roll assembly and a device (e.g., differential drive, sensor(s)). The device enables one to control the first and/or second r...
10/07/2008
7386999Defect control in the making of sheet glass by the fusion process
A molten glass delivery system for use in producing sheet glass by a fusion process is provided. The delivery system includes a first conduit (9) which surrounds a portion of a second conduit (19) with a free surface (21) of molten glass (31
06/17/2008
7358205Alkali-free glass substrate
An alkali-free glass substrate containing, by mass percent, 50-70% of SiO2, 10-25% of Al2O3, 5-20% of B2O3, 0-10% of MgO, 0-15% of CaO, 0-10% of BaO, 0-10% of SrO and 0-5% of ZnO, also containing SnO2
04/15/2008
7213414Process for producing flat glass
The present invention relates to improvement in a method of supplying a glass ribbon in a molten state to be supplied from a glass melting furnace to a flat glass forming apparatus, which can further improve the smoothness of a flat glass after formed. A glass ribbo...
05/08/2007
7155935Sheet glass forming apparatus
One embodiment of the present invention is an improved sheet glass forming apparatus. In another embodiment, a precise thermal control system redistributes the flow of molten glass at the weirs to counteract the degradation of the sheet forming apparatus which inevi...
01/02/2007
7071134High transmittance glass sheet and method of manufacturing the same
A high transmittance glass sheet is provided that is formed of a soda-lime-silica glass composition containing, expressed in wt. %, less than 0.020% of total iron oxide in terms of Fe2O3 and 0.006 to 2.0% of zinc oxide. The glass sheet allows t...
07/04/2006
7032412Methods of manufacturing glass sheets with reduced blisters
Methods of manufacturing glass sheets with manufacturing systems that including platinum-containing components are provided. The method includes providing a barrier coating to reduce the hydrogen permeability of the platinum-containing components which reduces the p...
04/25/2006
7026542Cover glass for a solar battery, a method for producing the cover glass and a solar battery module using the cover glass
A transparent substrate for a cover for a solar battery and a method for producing the same are presented. Hemispherical concave portions are formed in a surface of light entering side of a cover glass almost over the entire surface wherein the ratio d/D of the dept...
04/11/2006
7007511Device for supporting a ribbon of glass
A device for supporting a ribbon of glass, having at least one roller arranged in an area of an underside of the ribbon of glass. In order to keep a ribbon of glass as free as possible of mechanical damage during production, at least one support device is assigned t...
03/07/2006
7006228Methods for quantifying the oxidation state of glass
The present invention provides methods for measuring Fe (II) and Fe (III) levels in a glass composition, for using those measured levels for determining a relative oxidation state of the glass material, and for further making a determination based on those measureme...
02/28/2006
6997017Overflow downdraw glass forming method and apparatus
The forming apparatus of the present invention preferably includes an orifice on top of the trough. The uniquely shaped orifice substitutes for the weirs as the controlling entity for glass thickness. The orifice is designed such that as it deforms, it maintains a l...
02/14/2006
6993936System and method for suppressing the formation of oxygen inclusions and surface blisters in glass sheets and the resulting glass sheets
A system and method for suppressing the formation of gaseous inclusions in glass sheets and the resulting glass sheets are described herein. The system includes a melting, fining, delivery, mixing or forming vessel that has a refractory metal component (e.g., platin...
02/07/2006
6903037High transmittance glass sheet and method of manufacturing the same
A high transmittance glass sheet is provided that is formed of a soda-lime-silica glass composition containing, expressed in wt. %, less than 0.020% of total iron oxide in terms of Fe2O3 and 0.006 to 2.0% of zinc oxide. The glass sheet allows t...
06/07/2005
6851280Method of making a halogen lamp and other analogous lamps and objects, and apparatus for the manufacture thereof
The present invention generally relates to a method of making halogen lamps and halogen lamp bulbs, as well as other analogous lamps and objects. The present invention also relates to apparatus used in a method of making halogen lamps and halogen lamp bulbs, as well...
02/08/2005
6844280Flat glass having high transmittance
The present invention is to provide a high transmittance glass sheet that has a composition containing as coloring components, expressed in wt. %, 0.005 to less than 0.02% of total iron oxide in terms of Fe2O3, less than 0.008% of FeO, and 0 to...
01/18/2005
6815070Polymer-coated thin glass film substrates
The invention relates to a glass-plastic composite film, especially for use in electronic components and devices, such as displays. The inventive film consists of a glass film which is between 10 μm and 500 μm thick, and is characterised in that a polymer layer wi...
11/09/2004
6502423Method and apparatus for making individual glass panes
A method and apparatus is described, with which individual rectangular glass panes of thickness between 0.03 mm and 2 mm can be cut from a glass band (2) drawn vertically from a hot forming device (1) in an in-line process with reduced rejects and reduced...
01/07/2003
6418754Apparatus and method for mold changing in heated glass sheet forming station
A method for heated mold changing at a forming station (24) is performed by apparatus (32) in a heated chamber (22) where heated glass sheets are cyclically formed. A switching station (318) is located adjacent the forming station (24). An unloading stati...
07/16/2002
6415630Method and device for producing a homogenous sheet of quartz glass without streaks
In a method for producing a streak-free quartz glass sheet with a highly homogeneous degree of refraction, a quartz glass rod is lowered into a melting pot parallel to a longitudinal axis of the quartz glass rod. A cross-section of the melting pot is larg...
07/09/2002
6357263Method for bending a glass sheet, a ring mold for bending a glass sheet, and apparatus using the ring mold
In bending a glass sheet, the load applied to an intermediate glass sheet can be equalized to improve the quality of a final glass sheet. For this purpose, a forming ring 1 comprises a first forming frame 15 and a second forming frame 16, and the swingabl...
03/19/2002
6311523Process for forming a glass sheet
A process for forming a glass sheet, which is a process for continuously forming a glass sheet, and which comprises a step of introducing a vapor film-forming agent, which is not vapor at least around room temperature and which is vapor at a temperature above ...
11/06/2001
6216491Lcd panel production
A method of producing a glass panel for a LCD device. The method comprises depositing on at least one surface of the panel a transparent film from an atmosphere of an atomized, or ionized, inert, refractory material, or reactive precursor, the film being ...
04/17/2001
6128924Arsenic-free glasses
This invention is related to glasses for use as substrates in flat panel display devices, more specifically to a family of aluminosilicate glasses in which less than 0.2 mole percent and preferably no As2 O3 is used as a fining agent...
10/10/2000
6101845Process for forming a glass sheet
A process for forming a glass sheet, which is a process for continuously forming a glass sheet, and which comprises a step of introducing a vapor film-forming agent, which is not vapor at least around room temperature and which is vapor at a temperature a...
08/15/2000
5824127Arsenic-free glasses
This invention is related to glasses for use as substrates in flat panel display devices, more specifically to a family of aluminosilicate glasses in which less than 0.2 mole percent and preferably no As2 O3 is used as a fining agent...
10/20/1998
5772715System and method for processing sheet glass
A processing system (20,20') for processing sheet glass G includes a housing (22) and at least one slit seal (38i,38i',38e,38e') constructed to permit continuous passage of sheet glass in an efficient manner without fluttering. The slit seal functions as ...
06/30/1998
5700305Method of producing heatable mirrors by depositing coatings on glass
A method of producing heatable mirrors comprising depositing onto a ribbon of hot glass during the production process a reflecting coating whereby the mirrors so formed have a visible light reflection of at least 70% and depositing an electroconductive he...
12/23/1997
5667547Method for manufacture of quartz glass plates
A layer of quartz glass soot is deposited continuously on a substrate consisting of quartz glass grains with a lower degree of sintering activity than the quartz glass soot and the soot is sintered by passing it continuously through a heating zone to form...
09/16/1997
5597394Process for the manufacture of a flat glass sheet with improved characteristics
A flat glass sheet is manufactured using the float process. Before annealing of glass carried on rollers, the glass is conveyed by a fluid bed formed by a mixture of gases, in order to cool the glass to approximately 600° C. before it reaches an annealin...
01/28/1997
5342426Making glass sheet with defect-free surfaces and alkali metal-free soluble glasses therefor
This invention is directed to a method for preparing glass sheet having surfaces which are essentially defect-free and equivalent in smoothness to polished glass surfaces which comprises the steps of: Two different batches of alkali-metal-free batches are...
08/30/1994
5100449Method of forming glass articles
Disclosed is a method and apparatus for drawing an elongated glass article such as a fiber optic device. The article is drawn upwardly from a source through the surface of a quantity of molten metal having a vertical temperature gradient. The source can b...
03/31/1992
4917717Apparatus for and process of coating glass
Apparatus for pyrolytically forming a metal compound coating on an upper face of a hot glass substrate 1 comprises conveyor means 2 for conveying the substrate 1 in a downstream direction 3. A coating chamber 6 opening downwardly onto the path 1 and means...
04/17/1990
4906270Method for drawing glass tapes
A method for drawing glass sheets of crystallization-sensitive glass such as borosilicate glass or glass ceramic. A melt in a vat of a glass furnace is supplied through a feed channel to a drawing chamber from which a glass sheet is drawn perpendicularly ...
03/06/1990
4816053Production method for a low cost color CRT with self-polished flat faceplate
The use of a flat faceplate comprised of self-polished float glass substantially reduces the cost of a cathode ray tube incorporating a flat tensioned shadow mask while affording a high degree of video image acuity. The float glass flat faceplate does not...
03/28/1989
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