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| Number | Title | Issue Date |
| 8187528 | Molten metal post assembly The present invention relates generally to an apparatus for degassing, submerging, agitating and pumping molten metal. More particularly, the present invention relates to a mechanical apparatus for moving or pumping molten metal such as aluminum, zinc or magnesium. ... | 05/29/2012 |
| 8178037 | System for releasing gas into molten metal A device for releasing gas into molten metal includes a base having a discharge. The discharge has a first section including a first cross-sectional area and a second section including a second cross-sectional area, wherein the first section is upstream of the secon... | 05/15/2012 |
| 8110141 | Pump with rotating inlet A device for use in a molten metal pump helps alleviate jams between a rotating rotor and stationary inlet. The device includes an inlet structure including one or more openings and a displacement structure that preferably includes one or more rotor blades. The inle... | 02/07/2012 |
| 8075837 | Pump with rotating inlet A device for use in a molten metal pump helps alleviate jams between a rotating rotor and stationary inlet. The device includes an inlet structure including one or more openings and a displacement structure that preferably includes one or more rotor blades. The inle... | 12/13/2011 |
| 7906068 | Support post system for molten metal pump An improved post clamp for a molten metal pump includes a support post clamp that supports the weight of a pump superstructure on the top of the support posts. The clamp preferably includes (a) a bottom flange for connecting to the pump superstructure, (b) a cavity ... | 03/15/2011 |
| 7731891 | Couplings for molten metal devices Disclosed are couplings for use in devices positioned in a molten metal bath. One is a rigid coupling that may include a counterweight, the coupling to reduce nonconcentric movements during rotation of a shaft, particularly a rotor shaft. Another coupling uses magne... | 06/08/2010 |
| 7563406 | Device for supplying casting installations with molten metal The invention relates to a device for supplying casting installations with molten metal. Said device comprises a crucible into the melt of which a dosing pump dips and supplies a discharge tube (12) communicating therewith with melt. The discharge tube (12... | 07/21/2009 |
| 7531127 | Container A molten metal container that, even when an openable lid is made larger, can be easily opened and closed at a high safety level. The container includes a container main body that has a first opening in an upper portion and can store a molten metal, a first lid that ... | 05/12/2009 |
| 7514034 | Container capable of transporting molten metal received therein to separate factory and method of producing the container A container capable of transferring molten metal from a factory that produces a molten metals such as molten aluminum alloys and so on to a factory that uses the molten metal while the molten metal being stored therein and supplying the molten metal to a use point u... | 04/07/2009 |
| 7507366 | Container, storing bath and a method of producing the container A container (1) and method of manufacturing, capable of preventing unexpected rise of pressure inside the container (1) caused by problems pertaining to the lining. The container has a structure such that the insulating wall (8) is laid on the i... | 03/24/2009 |
| 7507367 | Protective coatings for molten metal devices Disclosed are components covered with a protective coating for use in a molten metal bath (or comparable environment) and devices including such components. The protective coating is preferably a ceramic sleeve adhered to a non-coated component by cement. A componen... | 03/24/2009 |
| 7497989 | Molten metal pressure pour furnace An apparatus and process are provided for discharging a dose of a molten metal from a pressure pour furnace. A heating chamber of the furnace is used to keep the molten metal at a selected temperature. A sealing port between the heating chamber and a pressure chambe... | 03/03/2009 |
| 7481966 | System for supplying molten metal, container and a vehicle A molten metal supplying system comprising a container having a main body capable of being hermetically sealed and having a passage through which compressed gas is received, a pipe having an outlet supplying molten metal in the container to the outside, the outlet d... | 01/27/2009 |
| 7476357 | Gas mixing and dispersement in pumps for pumping molten metal A molten metal pump including a pump base with an inlet and outlet, a mixing impeller chamber for mixing gas and molten metal, a pumping impeller chamber for pumping molten metal. First and second impeller members supported by a shaft are adapted to rotate in mixing... | 01/13/2009 |
| 7470392 | Molten metal pump components Improved components for a molten metal pump include a coupling for connecting a rotor shaft to a motor shaft, a rotor shaft and a rotor. The rotor shaft has a first end and a second end wherein the first end optionally has a vertical keyway formed in the outer surfa... | 12/30/2008 |
| 7445748 | Holding furnace and metering device for metal baths The invention relates to a holding furnace comprising a metering device for molten metal, especially for precisely metering molten light metal during die casting, wherefore the holding furnace is provided with a dosing chamber encompassing a controlled discharge val... | 11/04/2008 |
| 7427190 | Hydraulic device for pumping molten metal and/or controlling a molten metal flow A hydraulic device for pumping molten metal and/or controlling its flow, comprising an enclosure that forms internally a cylindrical chamber, for the connection of at least one first duct and one second duct for the passage of molten metal, within which a piston can... | 09/23/2008 |
| 7402276 | Pump with rotating inlet A device for use in a molten metal pump helps alleviate jams between a rotating rotor and stationary inlet. The device includes an inlet structure including one or more openings and a displacement structure that preferably includes one or more rotor blades. The inle... | 07/22/2008 |
| 7396504 | Method for supplying molten metal, system for supplying molten metal, producing method for producing aluminum, producing method for producing aluminum molding product, producing method of automobile, transporting vehicle, container, and apparatus for supplying molten metal The present invention comprises a sealed type container body (50) capable of storing molten metal; a flow passage (57) capable of flowing the molten metal, the passage is formed extended to an outside of the container, and the passage is formed towards... | 07/08/2008 |
| 7381366 | Apparatus for the production or refining of metals, and related processes An electroslag-cold hearth (ESCH) system for refining or producing a desired metal or metal alloy is described. The system includes at least one cold hearth vessel capable of holding a pool of molten liquid metal and an overlying slag layer, and an ingot mold latera... | 06/03/2008 |
| 7354547 | Molten-metal transferring ladle and molten-metal tapping method A pressure tapping type ladle for transferring molten-metal includes a ladle body for containing molten metal, a top cover covering a top opening of the ladle body, and an openable working cover covering an opening formed in a part of the top cover. The ladle also i... | 04/08/2008 |
| 7278824 | Pump for molten materials with suspended solids A molten material pump includes an impeller housed within a base member of the pump. A plurality of grooves are defined in a peripheral sidewall of the impeller for either drawing a molten material into the base member's chamber or pushing molten material out of the... | 10/09/2007 |
| 7279128 | Molten metal pressure pour furnace and metering valve An apparatus and process are provided for discharging a dose of a molten metal from a pressure pour furnace. A heating chamber of the furnace is used to keep the molten metal at a selected temperature. A sealing port between the heating chamber and a pressure chambe... | 10/09/2007 |
| 7273582 | Shaft and post assemblies for molten metal apparatus An apparatus for moving a stream of molten metal comprising a pumping member, a housing at least partially enclosing the pumping member, a power device seated on a support, and a shaft connecting the power device and the pumping member. At least one post is disposed... | 09/25/2007 |
| 7204954 | Container A container does not need a member such as a stoke and the like that are exposed to the molten metal therein, thus the necessity to replace the parts such as the stoke and the like can be eliminated. In addition, there is no structure like the stoke in the container... | 04/17/2007 |
| 7186360 | Method of making ceramic composite devices with unidirectionally aligned reinforcing fibers Ceramic composite materials have unidirectional alignment of the reinforcing fibers. The ratio of the volume of the fiber strands of the reinforcing fibers to the volume of the matrix is at least 0.5. A process for their production involves initially coating the fib... | 03/06/2007 |
| 6991670 | Method and apparatus for making a thixotropic metal slurry An apparatus for producing a thixotropic metallic melt by simultaneously controlledly cooling and stirring the melt to form solid particles of a first phase suspended in a residual liquid second phase. Vigorous stirring of the metallic melt results in the formation ... | 01/31/2006 |
| 6977059 | Molten metal shaft coupling system A molten metal pump shaft coupling system for use in the coupling or connection of elongated shafts to other components and equipment, and for the disconnection thereof. A coupling with internal discontinuous threads may be coupled with an externally threaded shaft,... | 12/20/2005 |
| 6953548 | Apparatus for transferring liquid metals from a collection container to a receiving container Apparatus for transferring liquid metals from a collection container (9) to a receiving container (1), comprising: a receiving container in the form of a ladle (1) provided with a mouth (4) for the introduction of the metal, means (8 | 10/11/2005 |
| 6902696 | Overflow transfer furnace and control system for reduced oxide production in a casting furnace An apparatus for transferring molten metal from a melting furnace to a casting furnace is provided. A sensing and control system for the transfer of molten metal from a transfer furnace to a casting furnace is also described. The combination of the transfer apparatu... | 06/07/2005 |
| 6869564 | Molten metal pump system A molten metal pump system which generally provides a refractory connection joint for connecting a refractory pump post to a pump base, the pump post including a refractory post with a first end, the first end including an internal joint peg aperture; a refractory b... | 03/22/2005 |
| 6841120 | Dispensing apparatus and method An apparatus for dispensing a molten material from a reservoir of molten material includes a dispensing chamber in communication with the reservoir and a first valve adapted to regulate communication of the dispensing chamber with the reservoir. A riser communicates... | 01/11/2005 |
| 6814925 | Smelting furnace for molding New melt furnace for casting, of the kind that have a loading nozzle that connects to a liquid metal storage tank and from where an outlet nozzle opens out in the feed runner of the casts, and where, between the liquid metal storage tank and the feed runner of the c... | 11/09/2004 |
| 6805834 | Pump for pumping molten metal with expanded piston A pump for pumping molten metal includes a pump base comprised of non-metallic, heat resistant material. The pump base comprises an inlet opening, a wall that forms a pumping chamber, a passageway that communicates the inlet opening with the pumping chamber, and an ... | 10/19/2004 |
| 6719945 | Galvanizing roll assembly with self-aligning hydrodynamic film lubricated roller-bearings This invention is related to galvanizing roll assemblies provided with self-aligning hydrodynamically lubricated roller-bearings used in equipment submerged in molten metal. ... | 04/13/2004 |
| 6703117 | Friction body or sliding body formed from composite materials reinforced with fiber bundles and containing a ceramics matrix and process for the production of a friction or sliding body A friction or sliding body includes at least two composite materials reinforced with fiber bundles and containing a ceramics matrix. A first composite material forms the outside of the sliding body as a friction layer and a second composite material forms... | 03/09/2004 |
| 6692689 | Sink roll assembly with forced hydrodynamic film lubricated bearings and self-aligning holding arms Self-aligning bearings are used for supporting a roll in molten zinc or zinc/aluminum, to permit the roll's shaft to align with the bearing axis between the pair of holding arms supporting the roll, and a pump for delivering metal under pressure to the be... | 02/17/2004 |
| 6640879 | Semi-solid casting apparatus and method A die casting system includes a vessel defining a reservoir with a controlled heater and an agitator for maintaining the bath of semi-solid metal in a homogeneous isothermal state, a transfer system capable of transferring a known quantity of metal in its... | 11/04/2003 |
| 6627146 | Stopper module device for a casting machine furnace apparatus This invention relates to a casting machine furnace apparatus including a casting machine furnace, a supply furnace in fluid communication with the machine furnace and operative to supply a molten metal to the machine furnace, and a stopper module device ... | 09/30/2003 |
| 6596221 | Metallurgical vessel having a tapping device and method for the controlled, slag-free extraction of molten metal from said vessel In a metallurgical vessel (1) having a tapping apparatus (5) for the slag-free withdrawal of liquid metal (3) from a molten metal bath (3) which is disposed in the vessel (1), a first leg (11) of a discharge duct (10) passes through the refractory vessel ... | 07/22/2003 |
