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| Number | Title | Issue Date |
| 7955551 | Alkali metal dispenser and uses for same The present invention provides an improved alkali metal dispenser which is pure and free of contaminant gases, and provides for controlled releasing, delivery and recycling of the alkali metal in multiple stages in a controlled manner. The present invention also pro... | 06/07/2011 |
| 7282171 | Method for oxy-fuel combustion An oxygen fueled combustion system includes a furnace having at least one burner, an oxygen supply for supplying oxygen having a predetermined purity, and a carbon based fuel supply for supplying a carbon based fuel. The oxygen and the carbon based fuel are fed into... | 10/16/2007 |
| 7258831 | Injector-burner for metal melting furnaces The following invention relates to an injector-burner for applications in the metalwork field, in particular for use in electric arc furnace melting processes having a frontal head with two series of holes arranged in two concentric crowns, the inner crown of holes ... | 08/21/2007 |
| 7174819 | Apparatus and method for cutting a web, feeding it into a processing and threading it up through that line The invention relates to an apparatus for cutting of a web (1) conveyed along a conveyance direction (F), and subsequent feeding and threading it up into a processing line, said web (1) comprising a central portion (1c) and edges (1 | 02/13/2007 |
| 7128852 | Aerosol method and apparatus, particulate products, and electronic devices made therefrom Provided is an aerosol method, and accompanying apparatus, for preparing powdered products of a variety of materials involving the use of an ultrasonic aerosol generator (106) including a plurality of ultrasonic transducers (120) underlying and ultraso... | 10/31/2006 |
| 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 |
| 7024761 | Device for destroying sharp, pointed objects which is fitted with means for automatically unscrewing injecting needles and similar A sharp cutting object disposal device provided with means for automatic unscrewing of venopuncture needles and the like, consisting of a tube to which a pair of motors or a gear wheel are fixed, the wheel which, actuated by a geared part that upon sliding on the ge... | 04/11/2006 |
| 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 |
| 6818176 | Oxy-fueled waste incinerator and method An oxygen fueled combustion system includes a furnace having at least one burner, an oxygen supply for supplying oxygen having a predetermined purity, and a carbon based fuel supply for supplying a carbon based fuel. The oxygen and the carbon based fuel are fed into... | 11/16/2004 |
| 6797228 | Oxy-fueled aluminum recovery method An oxygen fueled combustion system includes a furnace having at least one burner, an oxygen supply for supplying oxygen having a predetermined purity, and a carbon based fuel supply for supplying a carbon based fuel. The oxygen and the carbon based fuel are fed into... | 09/28/2004 |
| 6712875 | Method and apparatus for optimized mixing in a common hearth in plasma furnace A method and apparatus for optimized mixing in a common hearth in a plasma furnace. The apparatus provides a main hearth, a plurality of optional refining hearths, and a plurality of casting molds or direct molds whereby the refining hearths and molds define at leas... | 03/30/2004 |
| 6696013 | Metallurgical furnace with scrap metal preheater and dispenser A Preheater-Steelmaking Furnace and closed loop Process System for semi-continuous melting of integrally preheated recycled or virgin ferrous charge, by using highly energy efficient combustion process of natural gas combusted by oxygen as the main heat s... | 02/24/2004 |
| 6596220 | Method for oxy-fueled combustion An oxygen fueled combustion system includes a furnace having at least one burner, an oxygen supply for supplying oxygen having a predetermined purity, and a carbon based fuel supply for supplying a carbon based fuel. The oxygen and the carbon based fuel a... | 07/22/2003 |
| 6485675 | Bottom for a metallurgical vessel with a direct current electric arc device A base of a metallurgical vessel having a direct-current arc device whose cathode projects into the vessel and in whose fire-resistant lining on the base at least one anode is arranged, one end of which, passing through the vessel wall, touches metallic m... | 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 |
| 6436337 | Oxy-fuel combustion system and uses therefor An oxygen fueled combustion system includes a furnace having at least one burner, an oxygen supply for supplying oxygen having a predetermined purity, and a carbon based fuel supply for supplying a carbon based fuel. The oxygen and the carbon based fuel a... | 08/20/2002 |
| 6406662 | Rotary hearth furnace with charge slot air shield An apparatus for charging feed material through an opening into a furnace has a fixed structure and a moveable door. The moveable door together with the fixed structure defines the opening. The moveable door is mounted for movement toward and away from th... | 06/18/2002 |
| 6331269 | Inert tank for treating oxidizable liquid metal An inert vessel for treating an oxidizable liquid metal includes a vessel body and a lid mounted thereon with bearing surfaces at a junction therebetween, the body and lid each including a metal wall having an inner face coated with a refractory lining. T... | 12/18/2001 |
| 6299827 | Apparatus for vitrifying heavy-metal-containing residues having a chlorine content above 10% by mass An apparatus for vitrifying heavy-metal-containing residues having a chlorine content above 10% by mass, in particular from flue gas cleaning, which are melted in a melting furnace, the constituents which cannot be incorporated into the melt are separated... | 10/09/2001 |
| 6010552 | Apparatus for the process of melting and purification of aluminum, copper, brass, lead and bronze alloys The present apparatus is comprised by two magnetic induction sets, one for melting of the raw material and the second for purification of molten metal; each set comprises a pot or crucible (1, 1'), an electromagnetic device, a filter (11) and a power supp... | 01/04/2000 |
| 6006821 | Method and apparatus for melting and pouring specialty metals Specialty metals and alloys are melted in a crucible typically holding no more than about 100 lbs. of the metal and disposed in a furnace the interior of which is filled with a desired, e.g. inert, gas and subjected to a vacuum in the range of about 5% to... | 12/28/1999 |
| 5997801 | Metal chip reclamation system An apparatus and method for reclaiming metal chips formed while machining metal castings to their finished shape. The apparatus includes a stationary charging tube extending in a generally perpendicular direction from the charge well of a reverbratory fur... | 12/07/1999 |
| 5928602 | Metal waste processing facility A facility to process metal wastes is provided. The facility includes an inclined heat-insulated casing with a door and a cover, which can be displaced and removed. The inner surface of the casing is provided with removable sheets which form the inner fac... | 07/27/1999 |
| 5888458 | Melting furnace of metals and melting method thereof Disclosed is a melting furnace of metals and melting method thereof, which can control the rate at which a metallic raw material is introduced from a preheating section to a melting section within an optimum range and which can achieve efficient melting o... | 03/30/1999 |
| 5882581 | Apparatus for the processing of solid mixed waste containing radioactive and hazardous materials Apparatus for the continuous heating and melting of a solid mixed waste bearing radioactive and hazardous materials to form separate metallic, slag and gaseous phases for producing compact forms of the waste material to facilitate disposal includes a copp... | 03/16/1999 |
| 5855642 | System and method for producing fine metallic and ceramic powders A system and method for producing fine powders. The system includes a rotary atomization device for forming a moving flow of a molten source material; a source of atomizing material; a nozzle for directing a jet of the atomizing material at the moving flo... | 01/05/1999 |
| 5846480 | Aluminum remelting furnace, in particular for melting aluminum scrap to be recycled An aluminum remelting furnace for recycling scrap. In order to prevent atmospheric dispersion of toxic substances from the combustion of aluminum scrap contaminants, the furnace includes a loading chamber positioned on the upper wall of the furnace which ... | 12/08/1998 |
| 5736096 | Apparatus for purifying metal A metal purifying apparatus comprises a closed melting furnace equipped with a heater, molten metal holding crucible disposed within the furnace, a vertical hollow rotary shaft penetrating through a top wall of the furnace, a packing sealing off a clearan... | 04/07/1998 |
| 5709835 | Heating molten metal Apparatus for applying heat to a reservoir (27) of molten metal, comprising a plasma torch (48) and a metal contact electrode (52) to complete an electrical circuit with the torch (48) via the molten metal in the reservoir (27). The plasma torch (48) and ... | 01/20/1998 |
| 5705123 | Metal chip reclamation system An apparatus and method for reclaiming metal chips formed while machining metal castings to their finished shape. The apparatus includes a stationary charging tube extending in a generally perpendicular direction from the charge well of a reverbratory fur... | 01/06/1998 |
| 5649277 | Process and apparatus for the free-forming manufacture of three dimensional components of predetermined shape An apparatus and process for the free-forming manufacture of three-dimensal components. A powder-binder mixture, or a material with a high melting point, is plasticized or made molten, by raising the temperature inside a process chamber. The resulting mo... | 07/15/1997 |
| 5645791 | Charge preheater In a charging material preheater for a metallurgical smelting plant having a shaft (5) which has closure members (7, 8) which are pivotable by a control member (6) and which include fingers (9, 10) which are arranged parallel and at a spacing relative to ... | 07/08/1997 |
| 5643528 | Controlled magnesium melt process, system and components therefor Apparatus for a fully automated magnesium melt system. Raw magnesium ingots are moved through and controllably heated in a preheater chamber before they are introduced into a melt cell. A probe monitors the metal level and a control unit causes ingot char... | 07/01/1997 |
| 5540416 | Injection needle melting/destroying device An injection needle melting/destroying device comprising an A(D)C power supply, a power indicator lamp, a transformer having output terminals, two opposite metal plates disposed beside the output terminals of the transformer to define a socket, a collecti... | 07/30/1996 |
| 5528012 | Apparatus and method for starting a plasma arc treatment system An ignitable material is positioned in contact with a slag contained within a plasma arc treatment system having an electrode and an electrical ground. The slag is initially at a temperature below a conducting temperature at which the slag will conduct el... | 06/18/1996 |
| 5514349 | A system for making nonstructured materials A method and system for synthesizing nanocrystalline material. A system includes a chamber, a nonconsumable cathode shielded against chemical reaction by a working gas not including an oxidizing gas, but including an inert gas, a consumable anode vaporiza... | 05/07/1996 |
| 5456452 | Apparatus for making steel alloys in a tundish A method and apparatus are provided for making steel alloys directly in a tundish. Base steel enters the tundish from a ladle. An alloying chamber having a plurality of inlets is positioned above a tundish drain. An alloying material (for example, a wire ... | 10/10/1995 |
| 5403381 | Molten metal conveying means and method of conveying molten metal from one place to another in a metal-melting furnace with simultaneous degassing of the melt A method, for the conveyance of molten metal from one place to another, in a high-temperature molten metal pool in a metal-melting furnace or out of said molten metal pool, employing an at least partially-inclined elongated conveying conduit and gas feed ... | 04/04/1995 |
| 5398914 | Molten salt process vessel A molten salt process vessel for treatment of hazardous materials such as explosive or propellant waste, employing a tall, thin vessel with sufficient height that salt splash from the molten salt at the bottom of the vessel can be controlled and hard salt... | 03/21/1995 |
| 5395424 | Molten metal conveying means and method of conveying molten metal from one place to another in a metal-melting furnace using intermittent or pulsating insert gas feed A method, for the conveyance of molten metal from one place to another, in a high-temperature molten metal pool in a metal-melting furnace or out of said molten metal pool, employing an at least partially-inclined elongated conveying conduit and gas feed ... | 03/07/1995 |
