"There is no reason anyone would want a computer in their home."
Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 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 |
| 6889527 | Skull pot for melting or refining inorganic substances, especially glasses and glass ceramics The invention relates to a skull pot (1) for melting, crystallizing or refining inorganic substances. Said pot comprises a pot wall (1.1), a pot bottom (1.2), an induction coil (2) which surrounds the pot wall (1.1) and by means of... | 05/10/2005 |
| 6620372 | Method and device for drawing a molten material contained in a crucible A drawing-off device (18) is used to empty a molten material (28) such as glass contained in a cooled crucible (10), in which there is an elongated pour orifice (30), a cooled slide valve (32) and a bar (36) forming a thermal bridge between the molten mat... | 09/16/2003 |
| 6457330 | Apparatus and method 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, and an orifice ring forming a second orifice vertically spaced beneath and ali... | 10/01/2002 |
| 6250109 | Method of continuously producing vitreous blast furnace slag The invention relates to a process for continuously producing a glassy or vitrified blast furnace slag, in which the slag is applied onto a cooling roll or onto articulately interlinked cooling plates conducted as an endless conveyor belt over deflection ... | 06/26/2001 |
| 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 |
| 5885316 | Nozzle tip for glass injection cartridge A nozzle tip for a glass injection cartridge loaded with a rod-shaped glass material and having a heater for melting down the glass material into a molten state for injection into a mold, the nozzle tip containing: a) a nozzle body having a conical shape conve... | 03/23/1999 |
| 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 |
| 5683484 | Method and apparatus for separating out gall during glass melting processes An electrically heated tank furnace is used to melt glass whereby a floating gall layer is formed on the melt, in particular during the vitrification of hazardous materials such as asbestos, fly ash, filter dust, whereby the tank of the furnace is fitted ... | 11/04/1997 |
| 5659564 | Method and apparatus for maintaining a furnace stack The bottoms of exhaust stacks and systems on glass melting furnaces usually collect slag that is produced by volatiles in the exhaust gases condensing out and forming a glassy substance on the cooler walls of the stacks, etc. which then runs down the wall... | 08/19/1997 |
| 5643350 | Waste vitrification melter A glass melter for vitrifying material including radioactive and hazardous materials. In one embodiment, the melter comprises an inner vessel or container having a solidified glass skull, at least one pair of vertically-oriented, retractable electrodes, a... | 07/01/1997 |
| 5593472 | Glass feeder heat baffle A tube assembly for use in a spout bowl assembly including a bowl for receiving molten glass having a central orifice closed by an orifice plate having one or more openings and a corresponding plurality of vertically reciprocating plungers associated with... | 01/14/1997 |
| 5567218 | Device for extraction by pouring with a regulatable flow rate of a material melted in a melter having cold walls Device for the extraction by pouring at a regulatable flow rate a molten material in a cold structure melter. The melter has at least one part of a floor around a pouring orifice cooled by a flow of water and a heat source able to melt the material to be ... | 10/22/1996 |
| 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 |
| 5112378 | Bottom outlet device for a glass melting furnace A bottom outlet device is provided for a glass melting furnace, with heating of a glass melt being effected to within the temperature range of the electrical conductivity of the melt by way of electrodes disposed in the interior of the furnace and project... | 05/12/1992 |
| 4999040 | Glassware forming machine A glassware forming machine contains molten glass and distributes runners of molten glass through a refractory orifice ring having a plurality of discharge holes. The refractory orifice ring includes an annular side wall of uniform cross-section, a bottom... | 03/12/1991 |
| 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 |
| 4725301 | Spout assembly A spout assembly for use in feeding gobs of molten glass to a glassware forming machine which includes a spout bowl, a plurality of burner blocks on top of the spout bowl and a plurality of cover blocks on top of the burner blocks. Adjacent ends of both t... | 02/16/1988 |
| 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 |
| 4717412 | Stationary tube holder and revolving rotor assemby for a glass spout bowl A stationary tube holder and revolving rotor assembly which is to be used in conjunction with a glass spout bowl. The assembly includes a stationary tube holder assembly which has elongated horizontally extending arm for supporting a tube at one end and a... | 01/05/1988 |
| 4717411 | Drain bushing A nonprecious metal drain bushing for use in the start-up of a glass melting furnace. The bottom wall of the bushing is relatively wide and thick and is bent downwardly near the ends of the bottom wall to form integral terminal ears. The end portions of t... | 01/05/1988 |
| 4600426 | Metering device for molten glass and the like Metering a flow of molten material such as glass is provided at the exit end of a drain by means of a bulbous member in the flow path supported by a lateral arm. The bulbous member and the arm are shaped to provide reconverging flow paths.... | 07/15/1986 |
| 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 |
| 4565559 | Protection device for basalt drain bushings This invention relates to a method of retarding bushing degradation by glass batch containing iron oxide. The problem is solved by substantially eliminating the passage of current directly through the bushing for heating and employing a conductive heating... | 01/21/1986 |
| 4478631 | Glass feeder heat baffle When multiple gob feeders are used in which an enlarged tube is necessary to accommodate a row of plungers, a substantial surface area of glass is exposed to radiation or convection cooling and, to avoid excessive heat loss, a pair of heat baffles are use... | 10/23/1984 |
| 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 |
| 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 |
| 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 |
| 4350516 | Outlet for a glass melting furnace An electric glass-melting furnace has a cylindrical orifice block formed of a single block of refractory metal and an orifice through which molten glass flows out of the furnace. The inner end of the block extends into the melting zone portion of the furn... | 09/21/1982 |
| 4323383 | Method and apparatus for uniformly heating a glass stream within the feeder of a glass melting furnace A method and a system for uniformly heating a glass stream flowing in the feeder of a glass melting furnace wherein power or energy is supplied through the electrodes immersed in the glass melt and wherein the temperature of the glass stream is continuous... | 04/06/1982 |
| 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 |
| 4268296 | Method and apparatus for manufacture of glass film The invention provides a method and apparatus for the manufacture of glass film having a thickness not in excess of 0.003 inches and accomplished by drawing the film through a narrow slot-like orifice. The walls of the orifice are defined by an electrical... | 05/19/1981 |
| 4247320 | Glass conditioning In an apparatus for conditioning a supply of molten thermoplastic material, preferably glass, a chamber in flow communication with the supply of glass is mounted for rotation about an axis. The chamber has a flow control surface having at least two region... | 01/27/1981 |
| 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 |
| 4209315 | Glass forming apparatus In an apparatus for forming multiple ply sheet glass directly from separate sources of molten vitreous material while maintaining such separate sources free from exposure to detrimental gaseous media during the formation of such sheet glass; metering mean... | 06/24/1980 |
| 4188200 | Method and apparatus for production of plate glass A nozzle system is disclosed for the production of a wide band of flat plate glass in which the glass flows out of a nozzle orifice of a flat nozzle formed by two nozzle bars. One of the nozzle bars has a nozzle forming portion which is selectively elasti... | 02/12/1980 |
| 4171966 | Method of and apparatus for production of plate glass A method and apparatus is disclosed for the production of plate glass. A glass melting furnace containing molten glass connects with an outflow furnace in such fashion that central layers of molten glass in the glass melting furnace are conveyed to the ou... | 10/23/1979 |
| 4162152 | Molten glass metering device for making lamp bases A molten glass metering device for making electric lamp bases by accurately metering the rate of flow of molten glass from an orifice in the wall of a glass melting furnace. The device comprises a metal member including an integral hollow elongated member... | 07/24/1979 |