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Class 65/99.2 - Utilizing molten metal forming surface


Subclass of Class 65 - Glass manufacturing
Definition: Processes in which the forming surface is composed of molten
No. of patents: 108
Last issue date: 06/22/2010


1      
NumberTitleIssue Date
7739885Methods for the production of glass substrate blank
Provided are a method for producing a glass suitable for an information recording medium required to have high qualities, a process for the production of a glass substrate blank from the above glass and a process for the production of a glass substrate from the abov...
06/22/2010
7318330Mobile device and a process for the production of glass
The present invention relates to a float bath comprising a transport assembly and/or an adaptor for producing glass by a float-forming process. ...
01/15/2008
7310973Method and apparatus for making variegated glass sheets and tiles
An apparatus is disclosed comprising a first color glass feeder having a first valve device, and a second color glass feeder having a second valve device, each connected by communications links to a controller. The controller controls the first valve device and seco...
12/25/2007
7309671Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the same
A glass substrate of the present invention for magnetic recording media having high heat resistance and easy chemical strengthening ability at once has not been obtained, which is a glass composition essentially comprising 60 to 70 wt % SiO2, 5 to 20 wt %...
12/18/2007
7162892Method for making float glass having reduced defect density
A method for reducing the defect density of glass comprising melting a glass composition comprising from 65–75 wt. % of SiO2; from 10–20 wt. % of Na2O; from 5–15 wt. % of CaO; from 0–5 wt. % of MgO; from 0–5 wt. % of Al2O
01/16/2007
7137276Process for coating glass
A process for the production of durable photocatalytically active self-cleaning coating on glass by contacting a hot glass surface with a fluid mixture of titanium chloride, a source of oxygen and a tin precursor. The coating preferably comprises less than 10 atom %...
11/21/2006
7096692Visible-light-responsive photoactive coating, coated article, and method of making same
A method is provided for forming a photoactive coating having a photoabsorption band in the visible region of the electromagnetic spectrum. The method includes depositing a precursor composition over at least a portion of a float glass ribbon in a molten metal bath ...
08/29/2006
7087541Glass composition for display panels
A glass composition suitable for manufacturing plasma displays and large-area displays using the fusion draw process is provided. The glass composition includes 59–66 mol % SiO2, 14.5–18.0 mol % Al2O3, 8.5–12.0 mol % Na2
08/08/2006
7065984Substrate for information recording media and manufacturing method thereof, information recording medium, and starting material glass plate
A substrate for use as a disk substrate in a hard disk drive or the like, an information recording medium such as a magnetic disk, and a starting material glass plate which is a starting material of the substrate for information recording media. The forming conditio...
06/27/2006
6997018Method of micro and nano texturing glass
The present invention provides a method of forming a glass article having a transparent hydrophobic surface during a glass-forming operation. In accordance with the method, a plurality of solid particles of inorganic material having an average diameter of less than ...
02/14/2006
6962887Transparent glass having blue edge color
A method is provided for making clear glass having an azure edge coloration and low amber surface coloration in a non-vacuum float glass system. The method includes processing batch materials in a non-vacuum float glass system to provide a final glass product includ...
11/08/2005
6711917Photochromic float glasses and methods of making the same
Photochromic float glass and methods of making the same are provided. In especially preferred forms, the present invention is embodied in float glass having a non-photochromic glass substrate layer and a photochromic layer fused onto the substrate layer. During prod...
03/30/2004
6708526Method for manufacturing a glass sheet having an uneven surface
A heat-resistant pipe is arranged so as to traverse below a glass ribbon in a float bath of molten tin, and bubbles emanate from the heat-resistant pipe, thereby making the bottom surface (which is in contact with the tin) uneven. Alternatively, the bottom surface i...
03/23/2004
6605555Methods of increasing the redox ratio of iron in a glass article
Glass is made from batch components having a source of ferrous iron to increase the starting amount of ferrous iron in the glass batch. The ferrous iron source is an iron silicate material, such as fayalite (2FeO.SiO2), iron garnet (3FeO.Fe
08/12/2003
6510708Production of translucent sheet glass by grinding
Processes for the production of a smooth translucent glass sheet comprise grinding at least one face of a clear glass sheet using a conventional abrasive such as sand. Preferably the clear glass sheet is a sheet of clear float glass. The process may be ca...
01/28/2003
6467309Method for manufacturing a glass sheet having an uneven surface
A heat-resistant pipe is arranged so as to traverse below a glass ribbon in a float bath of molten tin, and bubbles emanate from the heat-resistant pipe, thereby making the bottom surface (which is in contact with the tin) uneven. Alternatively, the botto...
10/22/2002
6408650Nitrate/nitrite-free manufacturing of glass with selenium
The invention is a method of retaining selenium in a lass containing selenium by including a manganese compound and not including nitrates or nitrites routinely used in the industry to retain selenium. Particularly, a preferred embodiment involves manufac...
06/25/2002
6250110Dark bronze glass nitrate free manufacturing process
A dark bronze soda-lime-silica glass composition having excellent ultra violet and infra red absorbing ability. The colorants of the glass composition consist essentially of: greater than 0.5% total iron oxide as Fe2 O3 with a maximu...
06/26/2001
6196027Method of making glasses containing spectral modifiers
The invention is a method of making silicate based glass compositions with phosphorus compounds included in the composition as spectral modifiers to impart desirable color and improved energy absorbance properties. The phosphorus compound is generally a m...
03/06/2001
6170292Medium gray colored glass with improved UV and IR absorption and nitrate-free manufacturing process therefor
The invention is a medium color gray soda-lime-silica glass composition having excellent ultra violet and infra red absorbing ability. The colorants of the glass composition consist essentially of: greater than 0.5 but less than 0.9 wt. % total iron oxide...
01/09/2001
6094942Method and apparatus for reducing tin defects in float glass
The present invention provides a method of reducing tin defects in flat glass made by the float process. In the float process, molten glass is delivered onto a pool of molten tin within an enclosed chamber and formed into a glass ribbon. Oxygen gas dissol...
08/01/2000
6092392Process for producing thin glass on roll
This invention relates to a continuous process for producing a web of thin, chemically hardened glass that can be wound on a roll. The process comprises the steps of (i) drawing glass, containing original alkali ions, to form a web of glass having a thick...
07/25/2000
6065309Float processing of high-temperature complex silicate glasses and float baths used for same
A float glass process for production of high melting temperature glasses utilizes a binary metal alloy bath having the combined properties of a low melting point, low reactivity with oxygen, low vapor pressure, and minimal reactivity with the silicate gla...
05/23/2000
6003337Method and apparatus for producing a sheet glass
A method and apparatus for producing a sheet glass includes pouring a molten glass into a bathtub containing a molten metal so that it will form a molten glass stream having a constant width in a high temperature zone on the molten metal bath. The molten ...
12/21/1999
5948132Glass sheet strip annealing method
A glass sheet strip annealing method utilizes a housing (18) along which a conveyor (26) including a gas support (28) supports a glass sheet strip G by pressurized gas for movement between entry and exit ends (22,24) of the housing before a conveyor drive...
09/07/1999
5948133Method for holding an edge of a molten glass flow
A method for holding an edge of a molten glass flow, comprising forming a molten glass flow by continuously feeding molten glass on a bath surface of molten metal contained in a vessel, holding an edge of the molten glass flow in a width direction thereof...
09/07/1999
5925158Gas recycle for float glass system
A method for cleaning and recycling protective atmosphere for a float glass facility wherein contaminated protective atmosphere is cooled, preferably while scrubbing out particulates, compressed, and then purified by passage through a bed comprising water...
07/20/1999
5888265Air separation float glass system
A cryogenic air separation plant or a combined pressure swing adsorption plant and membrane separation plant is integrated with a float glass manufacturing system wherein oxygen from the plant is used for oxy-fuel combustion in the melt furnace and nitrog...
03/30/1999
5876472Method for producing a chemically pretensioned glass body
The invention is directed to a method of producing a chemically pretensioned glass body. In the method, a glass body is provided having a composition in percent by weight on oxide basis: SiO2 70-85; B2 O3 8-15; Na2
03/02/1999
5807417Nitrate-free method for manufacturing a blue glass composition
The invention is nitrate-free method to manufacture a blue soda-lime-silica glass composition and improving the ultraviolet light absorption thereof while maintaining a high visible light transmission. The method comprises the steps of: adding colorants, ...
09/15/1998
5762674Apparatus for coating glass sheet ribbon
Forming apparatus (22) and a method for forming a glass sheet ribbon G delivered from a float tank (44) to a topside support device (74) having a downwardly facing surface to which a vacuum and pressurized gas are supplied to support the glass sheet ribbo...
06/09/1998
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
5643349Apparatus for applying SO3 to float glass
The present invention provides a method for making a stain-resistant float glass and an apparatus for carrying out such a method. In keeping with this method, SO3 is applied to the upper surface of float glass in an amount efficacious to materi...
07/01/1997
5562749Method of producing flat glass
A method of producing flat glass is provided. Molten glass is introduced into a chamber in which a molten tin float bath is housed. The molten glass floats on top of the molten tin as it cools. A plurality of recuperative gas burners are positioned above ...
10/08/1996
5508237Flat panel display
A flat panel display comprising an aluminosilicate glass panel that exhibits a strain point higher than 640° C., a weight loss less than 20 mg/cm2 after immersion for 24 hours in an aqueous 5% by weight HCl solution at 95° C., a CTE in the ra...
04/16/1996
5489558Glasses for flat panel display
A barium aluminosilicate glass for production of a panel in an LCD device and a method of producing the panel. The glass consists essentially of, as calculated in percent by weight on an oxide basis, 50-65% SiO2, at least 8% Al2 O
02/06/1996
5480523Method of using oxygen measuring probe
An oxygen measuring probe for use with molten metal baths for the manufacture of glass which probe comprises a probe body (4) comprising an elongate tubular member (6) closed at one end by a separate tip part (8) formed of stabilised zirconia which consti...
01/02/1996
5427598Natural gas tin float bath roof
A tin float bath with an entirely new heat-insulating bath roof comprising two parts, first, an elongated steel chamber of an inverted U-shape fabrication with sinusoidal-layered ceramic fiber blankets and ceramic fiber boards and, second, side-mounted or...
06/27/1995
5364435Method of introducing protective atmosphere gases into a glass forming chamber
A method of introducing a reducing gas and an inert gas into a glass forming chamber at a plurality of locations along the length of the chamber by means of a system which permits delivery of a mixture of the reducing and inert gases to all such locations...
11/15/1994
5344597Method and apparatus for making steel sheets
A method and apparatus for forming sheets of a first material, such as a metal, plastic, rubber, or the like, having a primary tank for heating a second molten material and containing the second molten material to form a surface upon which the first mater...
09/06/1994
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