Class 65/99.3 - Maintaining molten metal temperature

Subclass of Class 65 - Glass manufacturing
Definition: Processes in which temperature distribution is kept in a
No. of patents: 29
Last issue date: 11/08/2011

Number	Title	Issue Date
8051677	Float bath system for manufacturing float glass and cooling method of the same Disclosed is a float bath system for manufacturing a float glass, comprising a block assembly having a plurality of blocks connected to each other and configured to store a molten metal therein; a steel casing surrounding the block assembly; an air blower capable of...	11/08/2011
7332695	Carbon heating element and method of producing same A carbon heating element having an arbitrary specific resistance and an arbitrary shape which are arbitrary necessary as a heating element, and a method of producing the same. The carbon heating element is obtained by uniformly dispersing one or at least two metal o...	02/19/2008
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
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
4816053	Production 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
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
4675071	Method of preparing thin crystal or film A stratum of mercury is formed in an atmosphere, for example, helium gas. A liquid material is dropped to the surface of the mercury stratum. Since the surface tension of the mercury is larger than that of the liquid material, the liquid material rapidly ...	06/23/1987
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
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
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
4361430	Method of and apparatus for selectively heating molten glass stream marginal edges Apparatus for selectively heating marginal edge portions of a stream of molten glass includes at least two independent heating elements presenting a substantially planar heating face toward the marginal edge of a stream of molten glass flowing in close pr...	11/30/1982
4360373	Method of and apparatus for controlling erosion of a refractory threshold A method of controlling the erosion of a refractory threshold over which molten glass flows transverse to the longitudinal centerline thereof, which includes preferentially cooling the central portion of the threshold while maintaining the marginal edge p...	11/23/1982
4279634	Dam construction for controlling tin currents in a float glass chamber This specification is directed to a dam structure which may be used in a float glass chamber for separating a hot entry end of the chamber from a cold exit end of the chamber. The dam has been specially designed so that it will mix tin currents sheared fr...	07/21/1981
4217125	Method and apparatus for manufacturing flat glass on a molten metal bath Flat glass is manufactured by the float process and is attenuated to a thickness in the range 1.5 mm to 5 mm. In an attenuation zone of the bath the viscosity of the glass is controlled to regulate attenuation of the float ribbon to a desired width and th...	08/12/1980
4197106	Method and apparatus for asymmetric cooling in a glass sheet forming chamber A method and apparatus for the controlling of longitudinal distortion of float glass is disclosed. It is disclosed that longitudinal distortion may be reduced by asymmetric cooling beneath the molten metal bath of a float glass forming chamber....	04/08/1980
4174956	Method and apparatus for molten metal flow diffusion in a float glass tank A method and apparatus for reducing longitudinal distortion in float glass is disclosed. A beam or barrier having cross-hatched grooves is installed below the advancing float glass ribbon in a float glass-forming chamber. The barrier acts to divert or dif...	11/20/1979
4174207	Method and apparatus utilizing transversely inclined barriers in float glass formation A method and apparatus for the formation of flat glass are disclosed. The invention involves the utilization of transversely inclined barriers in the molten metal bath of a flat glass forming chamber to create asymmetric currents in said bath....	11/13/1979
4148622	Process and apparatus for the production of flat glass by the float glass method An improvement in the process for the production of a glass ribbon by the float glass method, wherein the glass ribbon is formed on a bath of molten metal, caused to float along on top of it and, after being sufficiently hardened, drawn off the bath. The ...	04/10/1979
4131446	Method and apparatus for manufacturing flat glass on molten metal In flat glass manufacture on a molten metal bath, there is forward flow of molten metal entrained by accelerating glass over an upstream return flow of cooler molten metal which is received in a deepened region of the bath. Upstream molten metal flows are...	12/26/1978
4116659	Apparatus and method for circulating molten metal in a bath used in the manufacture of glass Method and apparatus are provided for circulating molten metal in a glass-supporting pool of molten metal in a direction counter to the advance of freshly delivered molten glass and outwardly into marginal spaces between glass restraining members and the ...	09/26/1978
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
4092140	Apparatus and method using heat pipes for manipulating temperature gradients in a glass forming chamber A plurality of high-temperature operating, corrosion-resistant heat pipes are employed to distribute heat transversely and longitudinally from normally hotter portions of a glass forming chamber to normally cooler portions of the same chamber in order to ...	05/30/1978
4081261	Apparatus and method for cooling a glass ribbon forming chamber Direct communication is provided between a pool of molten metal in a glass forming chamber and coolers embedded within a refractory bottom liner of the chamber in order to provide for an enhanced rate of cooling along a path of glass advance through such ...	03/28/1978
4012216	Apparatus for the production or treatment of flat glass Process and apparatus for the production or treatment of flat glass in an elongate tank containing a bath of molten material. Glass is delivered to the bath, and it is advanced along a path in contact with the bath towards an outlet for the glass from the...	03/15/1977
3930826	Conditioning flat glass for removal from supporting liquid following forming Flat glass is produced by advancing a layer of molten glass along the surface of molten metal while cooling it sufficiently to form a continuous sheet of glass which is lifted upwardly from the surface of a supporting pool of molten metal and conveyed fro...	01/06/1976
3930828	Thermal control in a glass sheet forming chamber Glass advancing along the surface of a pool of molten metal and being formed into a continuous sheet of flat glass is controllably cooled by advancing over successive molten metal containing compartments partially separated from one another by barriers an...	01/06/1976
3930829	Movable dam barriers for use in the manufacture of a glass ribbon on a molten metal bath Movable lateral and longitudinal dam barriers are provided in a glass forming chamber of the type containing a molten metal. The movable lateral dam barriers control longitudinal convection currents in the molten metal to control the temperature of the gl...	01/06/1976

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Class 65/99.3 - Maintaining molten metal temperature