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| Number | Title | Issue Date |
| 8020409 | Apparatus and method for manufacturing plate glass An apparatus 10 for producing a plate glass, comprising a bath 14 for float-forming for reserving a molten metal 16 for forming a band-shaped plate glass having a predetermined thickness by feeding a molten glass ribbon 20 in a predetermi... | 09/20/2011 |
| 7644597 | Apparatus and method for manufacturing plate glass An apparatus 10 for producing a plate glass, comprising a bath 14 for float-forming for reserving a molten metal 16 for forming a band-shaped plate glass having a predetermined thickness by feeding a molten glass ribbon 20 in a predetermi... | 01/12/2010 |
| 6467309 | Method 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 |
| 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 |
| 6065309 | Float 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 |
| 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 |
| 5427598 | Natural 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 |
| 5364435 | Method 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 |
| 5302177 | Tin float bath for manufacturing sheet glass utilizing recuperative gas burners In the tin float bath process of flat glass production, proposed automatic recuperative natural gas burners will replace the existing electrical heating elements. The use of natural gas instead of electricity creates a more energy-efficient bath operation... | 04/12/1994 |
| 5298073 | Two sensor for determining spacing between surfaces A method of and apparatus for determining the spacing between a ribbon of hot glass and a coater extending over the ribbon for forming a coating thereon by chemical vapor deposition. Position sensors are affixed to the coater at selected positions thereal... | 03/29/1994 |
| 5156664 | Delivery apparatus for newly formed glass sheet strip Apparatus (20) for delivering a newly formed floating glass sheet from a molten metal bath container (22) includes a topside support device (45) located adjacent the delivery end of the bath container and having a downwardly facing surface (80) with a fir... | 10/20/1992 |
| 5100449 | Method 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 |
| 5090987 | Apparatus for delivering newly formed glass sheet strip Apparatus (20) for delivering a newly formed floating glass sheet from a molten metal bath container (22) including a linear induction motor (24) that permits horizontal delivery without bath overflow is disclosed as including a gas support (34) and a dri... | 02/25/1992 |
| 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 |
| 4940479 | Method for manufacturing float glass A direct current magnetic field is applied to a molten metal bath to control the movement of molten metal. A glass ribbon is formed on the molten metal bath to have a predetermined thickness and is moved on the surface of the molten metal bath controlled ... | 07/10/1990 |
| 4921520 | Process for applying forces to glass sheets, in particular at a high temperature The present invention relates to a process and a device for applying tensile forces, with no contact with solid walls, to glass sheets, in particular at high temperatures, wherein a gas or vapor is blown between the glass sheet and a wall closely approach... | 05/01/1990 |
| 4857097 | Method and apparatus for coating glass A stream of inert gas is induced to flow over the surface, adjacent the glass, of diverting means used to divert a flow of used coating gas away from a glass surface being coated. The stream of inert gas avoids build-up of deposits from the used coating g... | 08/15/1989 |
| 4744809 | Method and apparatus for homogenizing flat glass Stirring of glass of high optical quality is effected by initiating forming of the glass, such as by the float process, at relatively high temperatures immediately after the glass has been stirred. Preferably, during and/or following the stirring operatio... | 05/17/1988 |
| 4741750 | Method and apparatus for cooling in a float glass forming operation A float glass forming chamber is cooled by circulation of molten metal through passages separate from the molten metal pool upon which the glass is supported.... | 05/03/1988 |
| 4692180 | Apparatus and method for depositing a metal oxide coating on a glass substrate An improved apparatus for producing a glass ribbon and an improved method for subsequently coating said glass by pyrolytically depositing a metal oxide coating thereupon. The glass is produced in a molten metal float bath having a reducing atmosphere supp... | 09/08/1987 |
| 4548636 | Process for producing a flat glass on a molten metal bath A process for producing a flat glass, which comprises withdrawing a glass ribbon substantially horizontally from the surface of a molten metal bath while maintaining the level of the surface of the molten metal at a level higher than an end wall at the ou... | 10/22/1985 |
| 4445924 | Auxiliary side heater for a float glass forming chamber In a float glass forming chamber, concentrated heat is applied to edge portions of the glass ribbon being formed by means of portable heating elements carried by side seal members.... | 05/01/1984 |
| 4440559 | Apparatus for sensing a glass ribbon edge and method of use Nip width of a glass ribbon advancing on a molten metal bath is determined by repeatedly, at selected intervals, advancing an edge detector from a first home position toward and into contact with the ribbon edge and then back to a second home position. Th... | 04/03/1984 |
| 4421541 | Process and device for the manufacture of glass by flotation Process for manufacture of plate glass including pouring molten glass onto a bath of molten metal (4) contained in a tank having side wall (1), an inlet wall (2) and an outlet wall (3). The glass is advanced by means to form a glass ribbon (7) and extract... | 12/20/1983 |
| 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 |
| 4402722 | Cooling arrangement and method for forming float glass In a float glass forming chamber, the effects on the glass of sharp temperature gradients associated with coolers are modulated by high mounting of coolers so as to improve the distortion quality of the glass. Preferably, an elevated roof section is provi... | 09/06/1983 |
| 4378988 | Elements for bending plates made of a material in the plastic state, use of such elements for bending and hardening plates and a device equipped with such elements An element for bending or hardening a movable plate in a plastic state. The element has a surface adapted to contact the plate where the surface has a plurality of bending profiles taken in a plane at right angles to the direction of movement of the plate... | 04/05/1983 |
| 4375370 | Thermal control in a method of bidirectionally attenuating glass in a float process Optical quality of float glass is improved by attenuating longitudinally prior to attenuating laterally and by carrying out each attenuation step within specified temperature ranges.... | 03/01/1983 |
| 4354866 | Method of bidirectionally attenuating glass in a float process with edge cooling Optical quality of float glass is improved by attenuating longitudinally prior to attenuating laterally and by providing cooled marginal edge portions of the glass ribbon during lateral attenuation.... | 10/19/1982 |
| 4340410 | Float glass forming chamber with isolated heating means A float glass forming chamber is provided with electrical heating elements having separate housings and separate electrical shut-off means, so that any heating element can be independently disconnected for replacement or for modifying the heating pattern.... | 07/20/1982 |
| 4340412 | Float glass forming chamber with externally supported roof A float glass forming chamber is provided with a simplified roof structure having a reduced number of vertically extending joints and openings. The roof is comprised of relatively large refractory slabs suspended from above by a hanger arrangement externa... | 07/20/1982 |
| 4340411 | Float glass forming chamber with auxiliary heating modules Auxiliary heat is provided to a float glass forming chamber by means of a prewired portable heating module which may be inserted or removed from an operating forming chamber. In particular, the auxiliary heating arrangement is adapted to provide temporary... | 07/20/1982 |
| 4322236 | Float glass forming chamber having low profile roof A float glass forming chamber with electrical heating means is provided with a plurality of compact housings to enclose electrical connections, thereby avoiding the conventional overhead plenum chamber. Also, a gas-tight casing directly overlying the roof... | 03/30/1982 |
| 4322235 | Float glass forming chamber with horizontal heating elements A float glass forming chamber is provided with heating elements that extend through the side walls of the chamber. As a result, the roof of the chamber may be of simpler construction, the heating elements are more accessible, and electrical connections ca... | 03/30/1982 |
| 4321075 | Skimming apparatus A process and apparatus for skimming the surface of molten glass in a tank to produce a portion thereof free of contamination includes driving a substantially horizontally disposed strut connected to a scraper arm so as to pivot the strut to raise the scr... | 03/23/1982 |
| 4312656 | Glass ribbon width control method in float process In a float process of flat glass production, the width of a glass ribbon formed by discharging a molten glass onto a molten metal bath is controlled in response to the temperature of a molten glass to be supplied to the molten metal bath by regulating a t... | 01/26/1982 |
| 4311508 | Float glass forming chamber with cast roof A float glass forming chamber roof fabricated by casting refractory material about an array of anchor elements presents an interior surface having large, planar, uninterrupted areas, whereby drippage from the roof is reduced.... | 01/19/1982 |
| 4306898 | Glass ribbon width control method in float process In a float process of flat glass production, the width of glass ribbon is controlled by regulating a tweel to manipulate the rate of supplying a molten glass through the tweel onto a molten metal bath. To minimize a fluctuation of the glass ribbon width, ... | 12/22/1981 |
| 4305745 | Method of attenuating glass in a float process Optical quality of float glass is improved by attenuating longitudinally prior to attenuating laterally; and by providing extended residence time prior to attenuating.... | 12/15/1981 |
