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| Number | Title | Issue Date |
| 7231788 | Method and device for refining a glass melt using negative pressure The apparatus for reduced-pressure refining of a glass melt includes a refining bank formed so that a reduced pressure is generated by a glass flow in it. The refining bank has a component, which is made from a refractory metal or refractory alloy acting as glass-co... | 06/19/2007 |
| 7017372 | Molten glass supply device, glass formed product, and method of producing the glass formed product A molten glass supply device is provided, which can solve unavoidable problems for high viscosity characteristics in connection with the conventional molten glass supply device for high viscosity glass. Such problems include improperly high heating cost caused by ex... | 03/28/2006 |
| 7013677 | Device for glass melt delivery and method for using them The present invention provides devices for glass melt devlivery and methods for using these devices. In these devices, a delivery nozzle comprising at least one platinum group metal material is directly heated by electricty. To facilitate heating, a cylindrical heat... | 03/21/2006 |
| 6381988 | Liquid cooling deflectors in a glassware forming system A glassware forming machine system includes an individual section glassware forming machine having a plurality of sections, each with at least one blank mold, and a gob distributor for distributing molten glass gobs to the blank molds of each machine sect... | 05/07/2002 |
| 6318123 | Method for granulating a liquid slag bath and device for carrying out the method The method for granulating liquid slag melts, in particular blast furnace slag, in which the melt (2) is ejected into a cooling chamber via a slag tundish (1) and in which fluid under pressure, in particular compressed gas, vapor or pressurized water, is ... | 11/20/2001 |
| 6176103 | Method and apparatus for delivering a cased glass stream Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass that includes a spout for delivering core glass from a first source through a first orifice. A second orifice is vertically spaced beneath and aligne... | 01/23/2001 |
| 5925161 | Method and apparatus for delivering a glass stream for forming charges of glass An apparatus for delivering a glass stream including a first inner layer and a second outer layer, including a generally vertical orifice, and delivering glass from a second source such that the glass from said second source provides an outer layer about ... | 07/20/1999 |
| 5914438 | Method and apparatus for delivering a coated glass stream for forming charges of glass A method and apparatus for delivering a coated glass stream having a first inner layer and a second outer layer wherein the method comprises providing a vertical orifice, delivering molten glass from a first source through the orifice, providing a gap abo... | 06/22/1999 |
| 5868812 | Method and apparatus for delivering a cased glass stream Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass includes a first orifice for receiving core glass from a first source. A second orifice is vertically spaced beneath and aligned with the first orifi... | 02/09/1999 |
| 5855640 | Apparatus for delivering a coated glass stream for forming charges of glass A method for delivering a coated glass stream having a first inner layer and a second outer layer wherein the method includes providing a vertical orifice, delivering molten glass from a first source through the orifice, providing a gap about the orifice ... | 01/05/1999 |
| 5803942 | Method and apparatus for delivering a cased glass stream Apparatus for forming a cased glass stream that includes at least one pair of aligned orifices coupled to sources of core and casing glass such that glass flows by gravity from the glass sources through the aligned orifices to form a cased glass stream. T... | 09/08/1998 |
| 5776221 | Method for delivering a glass stream for forming charges of glass A method for delivering a glass stream having a first inner layer and a second outer layer, including a generally vertical orifice, and delivering glass from a second source such that the glass from the second source provides an outer layer about the glas... | 07/07/1998 |
| 5738701 | Glass gob production device and production method A glass gob production device for producing a glass gob from molten glass. The glass gob production device has a crucible which accommodates molten glass, a nozzle one end of which is connected to the crucible and from the other end of which the molten gl... | 04/14/1998 |
| 5735925 | Method and apparatus for delivering a cased glass stream Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass includes a spout for receiving core glass from a first source and delivering such glass through a first orifice. A second orifice is vertically space... | 04/07/1998 |
| 5114456 | Discharging device for a glass melting furnace A discharging device is provided at the bottom of a glass melting furnace. The device includes an inductively heated outlet unit including a compression flange having an inlet opening and an outlet pipe extending from the compression flange to form therew... | 05/19/1992 |
| 5104432 | Process for fiberizing molten glass or refractory oxide materials A process for the treatment of a continuous or perturbated stream of liquid material, which process consists essentially of passing the said stream of liquid material through a plasma arc coupling zone in which at least two plasma arcs are coupled at the ... | 04/14/1992 |
| 5071459 | Bushing balance controller for multiple segment bushings A bushing balance controller controls the overall average temperature of a multiple segment glass fiber forming bushing and the temperature of each individual bushing segment. Current shunting loops divert current away from each bushing segment as require... | 12/10/1991 |
| 4872897 | Bottom tap of a glass melting furnace and method of operating the same A bottom tap of a glass melting furnace comprises a tap brick with a tap hole in which glass is frozen when the tap is not in operation and seals the tap. A tap gate of refractory and non-oxidizing metal is urged against the tap brick underneath the tap h... | 10/10/1989 |
| 4726831 | Molten glass delivery and conditioning system A glass delivery system is disclosed which includes a molybdenum delivery pipe surrounded by molten glass and inductively heated by a water cooled induction heating coil surrounding the molybdenum pipe and spaced apart therefrom by means of refractory mat... | 02/23/1988 |
| 4718933 | Internally cooled gob chute A fluid transferring mechanism especially adapted for providing cooling fluid to the scoops of a glass gob distributor having a housing and an oscillating member mounted therein. The housing has inlet and outlet passageway having an exit and entrance resp... | 01/12/1988 |
| 4713106 | Method and apparatus for conveying molten material A vertical standpipe which has an internal fitting. The standpipe conveys a molten glass stream from a molten bath in a furnace forehearth to a spinner below the forehearth. The internal fitting has an orifice positioned so as to maintain a spaced-apart r... | 12/15/1987 |
| 4592770 | Glass melter The glass melter has an outlet portion formed as a heating device for controlling the outlet flow rate of molten glass from the melter. Raw batch material that is used to form the molten glass is heated to a molten state at a first temperature range. The ... | 06/03/1986 |
| 4528013 | Melting furnaces A melting furnace is disclosed which heats by joule effect to supply molten material of uniform temperature at the floor of the melter. During formation of molten material, an essentially isothermal condition across a given horizontal plane of the body of... | 07/09/1985 |
| 4460398 | Freeze valve having multiple heating-cooling means A freeze valve for a molten glass discharging nozzle is disposed at the bottom of a glass melting furnace. The freeze valve has at least two sets of temperature control units provided around the nozzle and arranged in series in the longitudinal direction ... | 07/17/1984 |
| 4426217 | Electric melting of solidified glass in melting units A method and apparatus for electrically melting solidified glass in difficult to reach regions of a glass melting furnace not readily accessible with fossil fuel heating means and, more particularly, to an electrode arrangement for electrically heating so... | 01/17/1984 |
| 4402724 | Method and apparatus for discharging glass from a melting furnace A method and apparatus for periodically discharging batches of a glass melt from a ceramic glass melting furnace in which localized heating energy limitable in time is supplied to the glass melt by means of electrodes in the furnace, the furnace being pro... | 09/06/1983 |
| 4365986 | Furnace delivery system A glass delivery system is disclosed having a central glass conducting pipe enclosed within a heat exchange structure. Heat shields reflect energy back to the pipe for reducing heat losses from the pipe and heaters are located about the pipe to add heat e... | 12/28/1982 |
| 4352687 | Furnace delivery system A glass delivery system is disclosed having a glass conducting pipe enclosed within a refractory structure. The refractory structure is spaced about the pipe and defines a closed space for receiving therein a quantity of the glass. Heat input devices are ... | 10/05/1982 |
| 4351664 | Furnace delivery system There has been provided a delivery system for conditioning molten thermo-plastic material, wherein a first pipe member, having an inlet at one end adapted to receive the material and an outlet at an opposite end for delivering the material therefrom at a ... | 09/28/1982 |
| 4305747 | Multiple gob glass feeder system and method of operation A molten glass feeder system and method of controlling the flow of glass through the feeder to deliver a plurality of uniform, molten glass gobs. The feeder has a heavy-walled bowl structure and a heavy-walled bottom transitional member mounted within the... | 12/15/1981 |
| 4268298 | Molten glass feeding bowl The molten glass feeding bowl has two parallel sides with a third side being generally perpendicular thereto. Electrodes for heating glass within the bowl extend through aligned holes in the side walls of the refractory bowl and metal housing. The bowl ca... | 05/19/1981 |
| 4230476 | Apparatus and method for obtaining uniform gobs in a triple gob feeder An apparatus and method for use in a triple gob feeder of a glass forming apparatus for forming molten glass gobs of uniform size, weight, volume and shape by equalizing the temperatures of the molten glass flowing through orifices in a triple gob orifice... | 10/28/1980 |
| 3988139 | Apparatus for automatically controlling the temperature of a free-falling glass gob An apparatus for providing a uniform thermal history of a free-falling glass gob having a hollow, heat-resistant conveyor tube extending between the point of shear of the molten glass and the desired mold to which the glass is to be directed and having an... | 10/26/1976 |
