Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8066936 | Compliant fill tube assembly, fill tube therefore and method of use A fill tube assembly is for a casting mold. The fill tube assembly includes a fill tube having a tubular member with a receiving end, a mold-engaging end and an intermediate portion. The mold-engaging end has a tapered flange radially extending therefrom, the remain... | 11/29/2011 |
| 8017069 | Ceramic seating stone and metallurgical vessel A ceramic seating stone is provided for use in or on a metallurgical vessel for holding molten metal. The stone is formed as a whole or in parts of ceramic fibers, hollow ceramic spheres and/or foam ceramics. ... | 09/13/2011 |
| 7959853 | Stopper rod Stopper rod having an elongated body of refractory material, a passageway extending longitudinally in the body from an end thereof which is uppermost in use, a carrier rod having a part fixedly received in the passageway and a further part outside of the passageway ... | 06/14/2011 |
| 7611664 | Container for supplying molten metal and safety device A molten metal supplying container, comprising a container capable of storing a molten metal and loading the molten metal to the inside thereof or supplying the molten metal to the outside thereof by controlling a difference in pressure between inside and outside of... | 11/03/2009 |
| 7479250 | Segmented well block A well block for use within a circulation chamber of a molten metal furnace, comprising A first portion and a second portion, wherein said first portion is positioned atop said second portion, said first and second portions defining a cavity which includes an upper ... | 01/20/2009 |
| 7452498 | Pressure-regulating device, transportation vehicle, and pressure difference-controlling unit A pressure controlling apparatus controls a pressure in a container capable of storing a molten metal and supplying the molten metal to an outside using a pressure difference and includes: a supplying portion for supplying a compressed gas to be supplied to the cont... | 11/18/2008 |
| 7383972 | Sliding closing element, with coupling The invention relates to a sliding closing element, especially for an intermediate distributor or similar metallurgical containers. According to the invention, the mobile sliding plate of said closing element can be driven by means of a drive comprising a driving ro... | 06/10/2008 |
| 7290685 | Nozzle plate for a sliding nozzle apparatus It is an object to form a plate for a sliding nozzle apparatus in a shape for decreasing extreme erosion and extend durability of the plate to enable cost reduction, the sliding-nozzle plate having dimensions (unit length is mm) as indicated in following equations: ... | 11/06/2007 |
| 7273510 | Arrangement and method for tapping a molten phase from a smelting furnace The invention relates to an arrangement (1, 12, 16) for continuously tapping a molten phase, such as matte, from a smelting furnace, such as a flash smelting furnace, said arrangement comprising a matte tapping hole (5) provided in the furnace wall for... | 09/25/2007 |
| 7232544 | Apparatus for continuous slag treatment of silicon The invention relates to an apparatus for continuous slag treatment of molten silicon for removal of one a more impurity elements from the silicon, the apparatus comprising a vessel (1) intended to contain molten silicon and liquid slag. The vessel (1)... | 06/19/2007 |
| 7201868 | Direct smelting plant A direct smelting plant for producing molten metal from a metalliferous feed material is disclosed. The plant includes a fixed smelting vessel to hold a molten bath of metal and slag and a gas space above the bath. The plant also includes means for supplying solids ... | 04/10/2007 |
| 7171326 | Method for operating a sliding gate, and sliding gate A method is provided for operating a sliding closure for a metallurgical vessel. The sliding closure includes two tensionable fireproof closure plates opposing one another, with each of the two closure plates being slideably positioned within a corresponding housing... | 01/30/2007 |
| 7143806 | Fine particle generating apparatus casting apparatus and casting method A fine metal particle producing mechanism has a metal holder for housing a body of magnesium, a tube for supplying an argon gas to the body of magnesium, an argon gas flow rate controller for controlling a rate at which the argon gas is supplied to the tube, and an ... | 12/05/2006 |
| 7132077 | Method and apparatus for containing and ejecting a thixotropic metal slurry A container system including a vessel for holding a thixotropic semi-solid aluminum alloy slurry during its processing as a billet and an ejection system for cleanly discharging the processed thixotropic semi-solid aluminum billet. The crucible is preferably formed ... | 11/07/2006 |
| 7074361 | Ladle A liner for a ladle is formed of a body of refractory material defining a hollow interior which is bounded by a continuous sidewall. Within the interior is a barrier of refractory material which faces the interior surface of part of the sidewall and is spaced inward... | 07/11/2006 |
| 7066981 | Assaying method The invention provides a method of assaying a mineral sample for determining the concentration of selected metals in a sample comprising the steps of providing a comminuted mineral sample; mixing such sample with a flux; preheating a reaction vessel to a temperature... | 06/27/2006 |
| 7063242 | Refractory pouring spout and channel unit for the arrangement on an outlet of a vessel containing molten metal, especially the tundish of a strip casting installation A refractory pouring spout and channel unit for the arrangement on the outlet of a tundish of a strip casting installation has at least one vertical, refractory pouring spout and channel part (25) which can be connected to the tundish; and a refractory pourin... | 06/20/2006 |
| 7033538 | Heated trough for molten aluminum A method of heating molten aluminum flowing in a heated trough member comprising the steps of providing a source of molten aluminum and providing a rough member comprised of a first side and a second side, the first and the second sides having outside surfaces, the ... | 04/25/2006 |
| 7028868 | Refractory nozzle A refractory nozzle is provided for arrangement in or on a wall of a metallurgical crucible, particularly for steel melts, having a discharge duct surrounding a flow passage, wherein the discharge duct has a surface delimiting the flow passage and an outer housing. ... | 04/18/2006 |
| 7029624 | High-speed fabrication of highly uniform metallic microspheres In a high-speed fabrication process for producing highly uniform metallic microspheres, a molten metal is passed through a small orifice, producing a stream of molten metal therefrom. A series of molten metal droplets forms from the break up of the capillary stream.... | 04/18/2006 |
| 6997361 | Metallurgical impact pad A tundish impact pad formed from refractory material comprising a base having an impact surface which, in use, faces upwardly against a stream of molten metal entering a tundish, a wall extending upwardly from the base around at least a part of the periphery of the ... | 02/14/2006 |
| 6978980 | Slide valve closure for the casting of a metal melt and a refractory plate unit belonging to it In a slide valve closure for the casting of a metal melt a slider plate and a stationary closure part are braced against each other by means of spring units or by other means. There is provided a casing framework attachable to a mould or the like, in which is fixed ... | 12/27/2005 |
| 6973955 | Heated trough for molten metal A trough is described for carrying molten metal, comprising an outer shell defined by a bottom wall and two side walls, an insulating layer filling the outer shell and a conductive U-shaped refractory trough body for carrying molten metal, the trough body being embe... | 12/13/2005 |
| 6972059 | Exothermic feeder An exothermal feeder mass is described, containing aluminum and magnesium, at least one oxidizing agent, a SiO2-containing filler, and an alkali silicate as the binder; it is characterized in that it contains roughly 2.5 to 20% by weight of a reactive alu... | 12/06/2005 |
| 6960317 | Assembly for controlling a stopper belonging to a continuous casting installation, and corresponding continuous casting installation A control assembly for controlling reciprocal motion of a stopper used with a tundish dish including a shaft movably guided within a guiding assembly and connected to the stopper and wherein a motor is movable between a first postion wherein output from the motor is... | 11/01/2005 |
| 6893607 | Elevated discharge gas lift bubble pump and furnace for use therewith A metal melting closed furnace which includes a main chamber, a circulation well connected to the main chamber by a communications passageway and a vortex well having a exit outlet for molten metal into the main chamber. A cover is emplaced over the vortex well. An ... | 05/17/2005 |
| 6818175 | System for producing steel The invention relates to a device for producing steel. The invention device comprises a container (1, 101, 201). The metal used is molten, blown and refined in said container which comprises an upper component (5, 205) having at least one opening, a lo... | 11/16/2004 |
| 6772921 | Refractory nozzle A refractory nozzle is provided for arrangement in the wall of metallurgic vessels, especially for steel melts. The nozzle has a passage opening with an upper end and a bottom end, an inside wall of a solid electrolyte material enclosing the passage opening. At leas... | 08/10/2004 |
| 6676890 | Device for producing spherical balls Spherical balls, notably microballs of welding alloys, are produced by passing a melted material through vibrating orifices of a granulation pot, in order to form droplets which solidify when falling, by gravity, into a cooling tower filled with an inert ... | 01/13/2004 |
| 6602461 | Arrangement for pouring a pourable melt made up of a copper alloy An arrangement for pouring a pourable melt made up of a copper alloy, which comprises a melting furnace, pivotable about a horizontal pivot axis, having a pouring tube which discharges pourable melt and through which the pourable melt can be conveyed unde... | 08/05/2003 |
| 6589474 | One-body horizontal continuous casting apparatus and methods of deoxidation, and refining of phosphorized copper using said apparatus The present invention relates to a one-body continuous casting apparatus for fabricating a rod or slab shape of phosphorized copper by means of using a horizontal continuous casting process. Such invention contemplates designing and manufacturing a one-bo... | 07/08/2003 |
| 6576039 | Method and apparatus for metal pouring A method and apparatus is disclosed to improve the metal yield by adjusting the tilt angle of a tilting vessel having a submerged tap hole. The tilt angle is adjusted in response to parameters inherent in the pouring process, i.e. the proximity of the ves... | 06/10/2003 |
| 6557619 | Ingot supplying apparatus and method For improvement in production efficiency by elimination of a centering of an ingot supplier to an ingot supply opening upon reconnection of a melting and holding furnace to a die cast machine, there are provided an intermediate handler having a receiving ... | 05/06/2003 |
| 6554166 | Apparatus for producing fine metal balls An apparatus for producing fine metal balls comprising a crucible 3 for holding a metal melt and equipped with orifices 2 for ejecting the metal melt; a vibration rod 6 for giving vibration to the melt 1 held in the crucible 3; a vibrator 4 for giving vib... | 04/29/2003 |
| 6544469 | Apparatus and method for producing metal formed product An apparatus for producing a metal formed product comprises a molten metal-holding furnace; a semisolidified metal-producing mechanism; a cooling member-restoring mechanism arranged adjacent to the semisolidified metal-producing mechanism, for applying a ... | 04/08/2003 |
| 6485673 | Pouring device for metallurgic vessels and a method for controlling the quantity of discharge A pouring device for metallurgic vessels, particularly for steel melts, with slide plates which can be adjusted and slid out again one behind the other in a row under a vessel opening and into which filters can be inserted, and with an immersion pipe proj... | 11/26/2002 |
| 6444165 | Heated trough for molten aluminum A method of heating molten aluminum flowing in a heated trough member comprising the steps of providing a source of molten aluminum and providing a rough member comprised of a first side and a second side, the first and the second sides having outside sur... | 09/03/2002 |
| 6436336 | Replaceable drain electroslag guide A melt guide includes a base plate having internal cooling channels and a center aperture extending vertically therethrough. A unitary drain bushing is removably mounted in the aperture and is readily replaceable after wear thereof.... | 08/20/2002 |
| 6412672 | Ladle to tundish transfer to molten metal in the steelmaking process A system for transferring molten metal (12) from a ladle (11) to a tundish (14) includes a nozzle (18) carried by the ladle (11) and having a bottom edge (30). A tube (19) has an upper edge (33) adapted to be positioned adjacent to the bottom edge (30) of... | 07/02/2002 |
| 6399016 | Direct smelting plant Direct smelting plant for producing molten metal from a metalliferous feed material induces a smelting vessel 11 to hold a molten metal and slag bath beneath a hot gas space. Solids injection lances 27 extend downwardly and inwardly through side walls of ... | 06/04/2002 |
