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| Number | Title | Issue Date |
| 7487649 | Method for manufacturing glass substrate for image display The present invention provides a manufacturing method of a glass substrate for an image display device having high picture quality. The reducing force in a float furnace is controlled to be decreased so that Sn++ content on a surface of the glass substrate forming a... | 02/10/2009 |
| 7162892 | Method 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 |
| 6997018 | Method 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 |
| 6840061 | Coatings on substrates A process for the production of a photocatalytically active self-cleaning coated substrate, especially a glass substrate, which comprises depositing a titanium oxide coating on the surface of the substrate by contacting it with a fluid mixture containing a source of... | 01/11/2005 |
| 6722159 | Photocatalytically-activated self-cleaning article and method of making same A method and article are disclosed wherein a substrate is provided with a photocatalytically-activated self-cleaning surface by forming a photocatalytically-activated self-cleaning coating on the substrate by spray pyrolysis chemical vapor deposition or magnetron sp... | 04/20/2004 |
| 6094942 | Method 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 |
| 5968259 | High-purity quartz glass and method for the preparation thereof Provided are high-purity quartz glass having a high purity, in particular, with little zirconium (Zr) and manufactured at low costs from natural quartz as the starting material and a method for the preparation thereof. High-purity quartz glass is manufact... | 10/19/1999 |
| 5925158 | Gas 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 |
| 5888265 | Air 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 |
| 5876472 | Method 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 |
| 5480523 | Method 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 |
| 5203903 | Method of coating glass In methods of forming a coating comprising a pyrolytically formed oxide layer on a travelling hot glass substrate, the substrate is contacted with coating precursor material in the presence of oxygen. In order to prevent interaction between the glass of t... | 04/20/1993 |
| 5059232 | Method of manufacturing glass by using a float bath In a glass manufacturing method by means of a float bath for manufacturing a sheet glass by floating a glass ribbon on molten metal, a plate made of heat resistant and highly heat conductive carbon fiber carbon composite material is disposed between the f... | 10/22/1991 |
| 4859636 | Chemically strengthened glass article formed of float glass The invention relates to a method of strengthening a glass article formed of sheet glass produced by the float process. The strengthening method includes a known ion exchange treatment to replace alkali metal ions in the surface layers of the glass with, ... | 08/22/1989 |
| 4406682 | Method of operating a float glass forming chamber to reduce drippage Volatilization of sulfur containing impurities within a float glass forming chamber is suppressed by employing a tin/copper alloy as the molten metal and by removing sulfur impurities from the molten metal by cooling portions thereof to insolubilize the s... | 09/27/1983 |
| 4405352 | Method of melting glass on molten metal alloys When using a copper-containing molten metal support upon which glass is melted, diffusion of copper into the melting glass is inhibited by including in the molten metal an element less noble than copper at the melter temperature. The element may be silico... | 09/20/1983 |
| 4236906 | Reducing tin drip with sulfur containing gas A method of reducing tin drip by introduction of a sulfur gas into the forming chamber is disclosed. The sulfur containing gas reacts with the elemental tin present in the chamber superstructure and forms compounds such as tin sulfide which will sublime u... | 12/02/1980 |
| 4170460 | Method of making colored glass articles A glass substrate is modified by enriching a surface portion of the substrate with a metal such that the refractive index of the surface portion is different from that of the unmodified glass matrix. The modified surface is then coated with a metal oxide ... | 10/09/1979 |
| 4115091 | Method and apparatus for manufacturing glass ribbon on a float bath A method and apparatus are disclosed for manufacturing glass ribbon by pouring molten glass onto a bath of molten metal. A portion of the molten metal is withdrawn from the molten bath underneath the molten glass, upstream from the location at which the m... | 09/19/1978 |
| 4115092 | Method and apparatus for preventing bubble nucleation and growth in a molten glass delivery facility A method and apparatus are provided for inhibiting the generation, nucleation and growth of gas bubbles at a refractory surface in the vicinity of molten metal by providing a glaze of glass on the refractory surface, which glaze becomes viscous at the tem... | 09/19/1978 |
| 4086073 | Electrolytic ion migration into glass A glass surface is modified by maintaining a molten alloy body in contact with the surface, which molten body clings to a locating face which comprises at least two metals which migrate into the glass from the molten alloy body, and which dissolve from th... | 04/25/1978 |
| 4082528 | Glass melting tank with temperature control and method of melting In the refining zone of a glass melting tank the molten glass is supported on a heat conducting base, such as molten tin, heat is removed from the glass through the base and the depth of glass, length of refining zone and temperature difference between th... | 04/04/1978 |
| 4081262 | Use of reducing gas curtain for start of glass forming process A curtain of reducing gas is established across the entrance end of a glass forming chamber which employs a pool of molten metal to support glass during forming in order to impinge reducing gas along a line across a refractory delivery piece and molten me... | 03/28/1978 |
| 4074994 | Process and apparatus for the manufacture of ornamental sheet glass The process comprises continuously forming a glass strip on surface of molten metal and concurrently treating the glass surface in plastic state with a reactant. The reactant comprises a substance which is capable of forming a surface layer having a visco... | 02/21/1978 |
| 4062666 | Composite threshold assembly for a molten glass delivery apparatus and method of delivery A glass delivery facility connecting a glassmaking furnace with a molten metal-containing glass forming chamber employs a threshold assembly having a front face base block having a foot which extends downstream from the threshold-molten metal interface be... | 12/13/1977 |
| 4054436 | Contaminant diverting threshold for delivering molten sheet glass to a glass forming chamber and method thereof A flat glass manufacturing facility is provided with a threshold for supporting and delivering a layer of molten glass from a glassmaking furnace to a glass forming chamber containing a pool of glass-supporting molten metal wherein the threshold has an up... | 10/18/1977 |
| 4019885 | Removing metal deposits from the superstructure of a float glass chamber The superstructure of a float chamber containing a bath of molten metal and having a confined atmosphere is purged of metal condensates adhering thereto on controlled occasions to produce a glass ribbon substantially free of "top speck" defects. Minute mo... | 04/26/1977 |
| 4015966 | Manufacture of X-ray absorbing glass composition by a float glass process Disclosed is a technique for melting X-ray absorbing glass compositions by a process wherein molten glass is floated or supported on a bath of molten tin. The X-ray absorbing glass compositions are free of the oxides of lead, arsenic, antimony, bismuth, c... | 04/05/1977 |
| 3996034 | Glass manufacturing apparatus and process An elongated locating member is employed to locate a molten body for treating a glass ribbon in contact with a surface of the ribbon. A wettable surface region of the locating member to which the molten body clings is demarcated by a surface layer of a ma... | 12/07/1976 |
| 3976460 | Method and apparatus for introducing a protective atmosphere into a glass forming chamber The glass forming chamber in which glass is formed into a continuous sheet by floating it on the surface of molten metal is provided with a series of heat exchangers in an enclosed shell above the chamber and protective atmosphere gases are passed through... | 08/24/1976 |
| 3970442 | Method of introducing protective atmosphere gases into a glass forming chamber A glass forming chamber in which glass is formed into a continuous sheet by floating it on the surface of molten metal is provided with a first protective atmosphere gas in an enclosed shell above a refractory roof in the chamber and with a second protect... | 07/20/1976 |
| 3958969 | Manufacture of glass Surface modified glass is produced by method and apparatus in which the glass is contacted with a molten body, for example of a molten metal or molten alloy while the glass temperature is such that it can be modified by migration of cations from the molte... | 05/25/1976 |
| 3954432 | Method for improving the quality of flat glass formed on a bath of molten tin A method for forming flat glass of high optical quality on a bath of molten tin, in which the glass has a relatively short residence time, is disclosed. The method involves adding an oxidizing agent to the hotter regions of the molten tin bath which is be... | 05/04/1976 |
| 3951633 | Method for producing patterned glass on a float ribbon A method for patterning or texturing the surface of glass manufactured by the float process. The method comprises depositing particulate carbon onto the surface of a continuous ribbon of heat softened glass which is being drawn across a molten metal bath,... | 04/20/1976 |
