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| Number | Title | Issue Date |
| 8163231 | Apparatus and a method for tapping metal An apparatus and a method for tapping molten metal from below a molten electrolyte layer less dense than the metal is described. The apparatus comprises a pipe comprising a protruding enlarged wall portion at an operative end which is immersed in the molten electrol... | 04/24/2012 |
| 8119060 | Solder recovery device A solder recovery device includes a melter which melts solder dross stored in a melting crucible, an agitation unit which agitates the melted solder dross, so as to separate the melted solder dross up and down into an oxidized residue and a recycled solder in the me... | 02/21/2012 |
| 7943083 | Drum apparatus for treating slag A double cavity type steel slag treatment equipment by barrel method employing mandrel support comprises left and right barrel bodies, flow branching pan, mandrel, feed funnel. Between the left and right barrel bodies is disposed a flow branching pan, over which is ... | 05/17/2011 |
| 7718114 | Ceramic foam filter for better filtration of molten iron A ceramic precursor, and ceramic filter prepared therewith, with 35-70 wt % refractory aluminosilicate; 10-30 wt % colloidal silica; 0-2 wt % modified bentonite; 0-35 wt % fumed silica; 0-10 wt % pore formers and liquid. ... | 05/18/2010 |
| 7393497 | System and filter for filtering hard alpha inclusions from reactive metal alloys A system for filtering hard alpha inclusions from a reactive metal alloy, such as titanium, is provided. The system includes a vessel, a receptacle and a filter. The vessel is capable of holding the reactive metal alloy in a molten form, and can pour the molten reac... | 07/01/2008 |
| 7389896 | Device for jetting droplets of a particle filled viscous medium This invention relates to a device for jetting droplets of a particle filled viscous medium. The device has a nozzle, an eject mechanism connected to the nozzle, a medium feeding mechanism connected to the eject mechanism, a particle filled viscous medium container ... | 06/24/2008 |
| 7337794 | Method and apparatus for the delivery of compressed gas in the field The invention is a method and apparatus for delivering large volumes of nitrogen gas, air, or other gas at high pressures from banks of high pressure cylinders and releasing that gas at the rate required by the operation. Not only can higher flow rates be achieved, ... | 03/04/2008 |
| 7258155 | Ingot mould for quenching metals and ingots thus obtained An ingot mold for metals which is intended for the production of an ingot through the cooling and solidification of a liquid metal mass. The mold includes a wall which defines a base and an inner surface having a part S, known as the cooling surface, which can disch... | 08/21/2007 |
| 7169349 | Method and apparatus for delivering metallurgically improved molten metal A method and an apparatus for enhanced metallurgical processing of molten metal includes an enclosable ladle chamber (23) for reducing the escape of heat during transport of the ladle from a manufacturing vessel such as a furnace (13) to an intermediat... | 01/30/2007 |
| 7157042 | Dross compression apparatus including a cooling system for cooling the compression head and cooling method A dross compression apparatus and method includes one or more air nozzles for directing cooling air across the top of a compression head for cooling the compression head. The air may be vented through air vents in a wall of the apparatus after passing across the top... | 01/02/2007 |
| 7157043 | Bonded particle filters An apparatus for filtering molten metal held in a vessel before the metal enters the dosing tube. The filtering apparatus includes an attachment portion that mounts to the dosing tube, a filter body connected to the attachment portion and a planar surface attached t... | 01/02/2007 |
| 7138084 | Refractory articles A filter for molten metal is an open-pored porous material comprising particles of refractory material embedded in and bonded together by a carbon matrix bonding material. The filter can be made by forming a porous article from refractory particles, e.g. refractory ... | 11/21/2006 |
| 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 |
| 7025936 | Method and apparatus for preparing a sample for analysis of precious metal content This invention relates to a method for assaying an ore sample to determine the concentration of gold and PGMs therein. The method comprises the steps of separating an ore sample, combining the prepared ore sample with a lead-containing flux, inductively heating the ... | 04/11/2006 |
| 6977058 | Inoculant-strainer with improved filtration effectiveness and inoculant dissolution A strainer for molten metal. The strainer comprises a well and a multiplicity of passages. Each passage comprises a first cavity a second cavity with a smaller equivalent diameter than the first cavity. A neck is between the first cavity and second cavity. An inocul... | 12/20/2005 |
| 6948650 | Dross removal and solder reclamation improvements When dross is removed from a molten-solder reservoir, a substantial amount of molten solder is often removed with the dross. This molten solder can be separated from the dross and returned to reservoir via a conduit for reuse. Additionally, a skimmer for removing th... | 09/27/2005 |
| 6946095 | Filter for molten aluminum alloy or molten aluminum The invention provides an internal filter with an improved filtering ability of removing particularly fine inclusion particles from molten aluminum or molten aluminum alloy. The internal filter includes an aggregate meshed member made of a refractory material and a ... | 09/20/2005 |
| 6929676 | Apparatus and method for treating containerized feed materials in a liquid reactant metal A treatment apparatus (10) includes a liquid reactant metal containment vessel (11) for containing a first liquid reactant metal and isolating the reactant metal from the atmosphere. A release chamber (14) is adapted to receive the first liquid ... | 08/16/2005 |
| 6767382 | Aluminium processing apparatus and process for separating aluminium from a mixture of aluminium and aluminium dross An apparatus for separating molten aluminium from a mixture of molten aluminium and aluminium dross includes a table for supporting an insulated crucible containing the mixture of molten aluminium and aluminium dross. A rotatable frame supports a plurality of tines ... | 07/27/2004 |
| 6669755 | Apparatus and method for treating containerized feed materials in a liquid reactant metal A treatment apparatus (10) includes a liquid reactant metal containment vessel (11) for containing a first liquid reactant metal and isolating the reactant metal from the atmosphere. A release chamber (14) is adapted to receive the first liquid reactant m... | 12/30/2003 |
| 6555050 | Dross processing system A dross processing system has a motor mounted to a motor support arm by a motor support carriage, and has a carriage guide which engages the motor support carriage to guide the motor along a vertical path between a raised position and a lowered position. ... | 04/29/2003 |
| 6521015 | Method and apparatus for treating molten aluminum using improved filter media A method for filtering molten aluminum containing suspended particles using an improved filtration media, the method comprising the steps of providing a source of molten aluminum and providing media having a coating thereon, the coating having a softening... | 02/18/2003 |
| 6468326 | Method for in-line filtering of a liquid metal and implementing device A device for an in-line filtering (10) of a liquid metal, by using only a single installation, to obtain a very good filtering of any liquid metal whatever its melting point. The device comprising a treating chamber (11) made of refractory material and ha... | 10/22/2002 |
| 6464929 | Dross processing system A dross processing system has a substantially vertical support positioned in close proximity to a furnace. A reaction vessel is mounted to the substantially vertical support by a reaction vessel support. The reaction vessel preferably has a substantially ... | 10/15/2002 |
| 6451246 | Molten metal vessel for filtering impurities A molten metal vessel includes a first chamber for containing molten metal such as molten aluminum therein, a filtration chamber in which impurities contained in the molten metal are removed, and a second chamber for reserving clean molten metal to be sup... | 09/17/2002 |
| 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 |
| 6355085 | Method and device for separating particles from an electrically conductive liquid flow using electromagnetic forces A method for separating inclusions from an electrically conductive liquid flow using electromagnetic forces, wherein the inclusions and the liquid have differing electrical conductivities. The flow is exposed to a spatially heterogeneous magnetic flux pro... | 03/12/2002 |
| 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 |
| 6290900 | Molten metal vessel for filtering impurities A molten metal vessel includes a first chamber for containing molten metal such as molten aluminum therein, a filtration chamber in which impurities contained in the molten metal are removed, and a second chamber for reserving clean molten metal to be sup... | 09/18/2001 |
| 6284190 | Apparatus for recovering metal from dross An apparatus and method are described for recovering metal from dross. The apparatus comprises a chamber having an opening to receive the dross and an agitating member mounted in the chamber. The agitating member is driven so that it agitates the dross in... | 09/04/2001 |
| 6264883 | Plant for the production of metal melts To be able to produce metal melts using any metal carriers incurring in metallurgical practice as the charging materials, namely in the most diverse quantitative compositions, a plant for producing metal melts is provided with the following characteristic... | 07/24/2001 |
| 6231639 | Modular filter for molten metal A filter cartridge for a molten metal filtering system is provided with a modular construction in which the filter elements are adapted to be removably mounted to an end plate. The filter elements may be removed separately from the filter and replaced wit... | 05/15/2001 |
| 6228319 | Portable dross press with rising and dumping pot A portable dross pressing apparatus utilizes a frame which may be made portable by wheels, by forklift tubes or the like. A press head is mounted to an upper portion of the portable frame and a drive means is used to force a skim pot upwardly into juxtapo... | 05/08/2001 |
| 6217631 | Method and apparatus for treating molten aluminum A method of heating a body of molten metal passing through a treatment bay. The method comprises providing a body of molten metal in a treatment bay and providing a baffle heater in the treatment bay to contact the molten metal. The baffle heater is compr... | 04/17/2001 |
| 6203593 | Ceramic filter and method of filtrating molten metal using the same A ceramic filter arranged in a flow passage through which a molten metal is poured from a gate into a cavity of a casting mold. The ceramic filter has a ceramic main body of a three-dimensional reticulated skeleton structure having interconnected pores. T... | 03/20/2001 |
| 6197250 | Telescopic dross pot A dross pot and sow mould combination for use with a dross press, the combination being suitable for melting furnaces with low sills. The sow mould is connected to the dross pot by a variable length connection which allows the height of the combination to... | 03/06/2001 |
| 6187257 | Dross removal on coating lines The invention presents an apparatus and method for dross removal from coating lines. The invention utilizes magnets to collect dross either in suspension or which has accumulated at or near the bottom of a coating pot. The invention utilizes the magnetic ... | 02/13/2001 |
| 6174492 | Forebay for am Metallurgical furnace A metallurgical furnace, preferably a metallurgical furnace for the production of copper, is equipped with a forebay. The forebay is in open communication with the settler of the furnace by a passageway that allows for the continuous removal of both slag ... | 01/16/2001 |
| 6136262 | Dross processing system A portable dross processing system has a support frame with a base and an upper support. A pair of wheels are mounted to the base, and a steering wheel can be pivotably mounted to the base. A dross receiving crucible is mounted in a crucible frame which i... | 10/24/2000 |
| 6136263 | Dross press with rocking press head A dross press including a press head and skim box and including a head system comprising pressing means for pressing the dross in said skim box, said press means including means for providing a rocking movement for said press head. Said means comprise two... | 10/24/2000 |
