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Class 164/468 - Applying electromagnetic stirring force to molten metal within mold or product


Subclass of Class 164 - Metal founding
Definition: Process wherein molten metal within a mold or entrained
No. of patents: 148
Last issue date: 05/01/2012


1        
NumberTitleIssue Date
8167024Method and associated electromagnetic apparatus for rotating molten metal in a slabs continuous casting ingot mould
Four distinct polyphased inductors for a travelling magnetic field and mounted with two inductors per large side on the large sides of the ingot mold, the inductors placed side by side on a same large side of the ingot mold and producing driving forces that push the...
05/01/2012
8146649Method of continuous casting of high-aluminum steel and mold powder
A method of continuously casting molten steel to produce high surface quality slab by preventing depressions and cracking. The steel is high Al steel having an Al content of 0.1% or more. High-Al molten steel is continuously cast using mold powder containing T—CaO...
04/03/2012
8109320Method and apparatus for the continuous casting of preliminary steel sections
In a method and apparatus for the continuous casting of preliminary steel sections, the liquid or molten steel is introduced substantially vertically into an open-ended die. The cross section of the cavity of the die is made up of a web part and one or more flange p...
02/07/2012
8033319Method for continuous casting of steel and electromagnetic stirrer to be used therefor
Disclosed is a continuous casting in which an electromagnetic stirrer is installed upstream, in the casting direction, of the reduction rolling position of a slab, and in which a slab with a liquid core is reduced in thickness, wherein by imparting a collision flow ...
10/11/2011
8011417Process for the continuous casting of flat metal products with electromagnetic stirring and implementation installation
A process for continuous casting of slabs or other metal products of elongate cross section, for example made of steel, in which a molten metal is poured into a cooled mold, and the externally solidified product is continuously extracted from the mold and guided in ...
09/06/2011
7938166Adjusting the mode of electromagnetic stirring over the height of a continous casting mould
In the continuous casting of flat metal products with a submerged nozzle having lateral outlets, a mold is equipped on each of its long sides with a pair of linear inductors that generate a magnetic field that travels horizontally over a width of the long sides and ...
05/10/2011
7784527Continuous casting method of steel
The present invention provides a continuous casting method of steel preventing alumina and other nonmetallic inclusions becoming causes of slivers and argon bubbles becoming causes of blowholes from being entrained and thereby enabling the production of a cast slab ...
08/31/2010
7735544Method and system of electromagnetic stirring for continuous casting of medium and high carbon steels
A method and an apparatus are provided for electromagnetic stirring during a continuous casting process, especially for casting a billet and bloom of medium and high carbon steels. The method and apparatus provide a higher surface quality of the ingot, reduce the en...
06/15/2010
7661456Method of axial porosity elimination and refinement of the crystalline structure of continuous ingots and castings
Apparatus and methods are provided for eliminating axial porosity accompanied by impurity segregation arising at bulk crystallization of the axial zone of the liquid core of a continuous ingot. ...
02/16/2010
7448431Method of continuous steel casting
At least three electromagnets are disposed along the longitudinal direction of a mold. While the electromagnets generate a vibrating magnetic field, peak positions of the vibrating magnetic field is shifted in the longitudinal direction of the mold. ...
11/11/2008
7258158Increasing stability of silica-bearing material
Method and apparatus for prolonging the stability (working life) of a ceramic slurry and other aqueous mixture or dispersion containing a liquid silica-bearing or other component as well as the raw liquid silica-bearing component in ambient air over time by providin...
08/21/2007
7243701Treating molten metals by moving electric arc
An apparatus (10) and a method for reducing inclusions, shrinkage blowholes, porosity and segregation in metal castings during the casting process, and for improving the grain structure, mechanical properties and yield of ingots and other castings. The appara...
07/17/2007
7237597Method and device for continuous casting of metals in a mold
A device for continuous or semi-continuous casting of metals, comprising a casting mold (1) which is open in both ends in the casting direction, means (2) for supplying melt to the mold (1), a first electromagnetic induction coil (4) ener...
07/03/2007
7214277Method for manufacturing non-oriented electrical steel sheet having high magnetic flux density
A quench solidification method, wherein a steel cast strip having a mean grain size 50 μm or more is prepared and then the steel cast strip is rolled to produce a non-oriented electrical steel sheet having high magnetic flux density in both L and C directions. Howe...
05/08/2007
7201211Method and device for controlling flows in a continuous ingot mold
The invention concerns a continuous casting ingot mold equipped with an immersed nozzle (3) provided with lateral outlets (2) opposite the small sides (5) of the ingot mold, and whereof the pattern of molten metal flows can be naturally in singl...
04/10/2007
7169350Method 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 ...
01/30/2007
7129042Compositions and methods for detecting severe acute respiratory syndrome coronavirus
The invention provides compositions and methods for detecting the presence of SARS-coronavirus, for screening anti-SARS coronavirus agents and vaccines, and for reducing infection with plus-strand RNA viruses such as SARS-coronavirus. ...
10/31/2006
7121324Device for casting of metal
A device for continuous or semi-continuous casting of metal comprising a mould having a number of mould elements (1, 2) which together form a mould adapted for receiving a liquid metal (6), a mould supporting structure (30, 31) surrounding the m...
10/17/2006
7114548Method and apparatus for treating articles during formation
A method of making an article includes forming a molten material by melting at least a portion of a mass of a metal and an alloy. The method further includes forming the article by solidifying at least a portion of the molten material within a mold, and contacting t...
10/03/2006
7024342Thermal flow simulation for casting/molding processes
A numerical procedure for simulating the behavior of incompressible, viscous fluid in a casting/molding process. The method is based on classical fluid dynamic equations and uses control volume-finite element and numerical techniques to solve the momentum and energy...
04/04/2006
7011139Method of continuous casting non-oriented electrical steel strip
Non-oriented electrical steels are widely used as the magnetic core material in a variety of electrical machinery and devices, particularly in motors where low core loss and high magnetic permeability in all directions of the strip are desired. A method for producin...
03/14/2006
6994146Electromagnetic die casting
A die-casting method and a device for use in the die-casting method are disclosed. The casting material, which can be liquid metal, semi-solid metal or metal-matrix composite, in the shot chamber of a die-casting machine is driven to flow with high shear rate to mix...
02/07/2006
6994149Casting system and method for pouring nonferrous metal molten masses
A casting system for pouring nonferrous metal molten masses, in particular copper or copper alloys, has a tundish and a submerged pipe feeding into a molten bath inside a thin-slab mold. Trouble-free discharge of the melt into the mold and degassing at the exposed s...
02/07/2006
6988529Method and apparatus for preparing a metal or metal-alloy product for a casting process
The present invention relates to a method and apparatus for preparing a metal or metal-alloy product for a casting process—wherein the product is brought into a partly solidified (semi-solidified) state before casting—in which the product contains crystallizatio...
01/24/2006
6932938Method 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 ...
08/23/2005
6905558Billet by continuous casting and manufacturing method for the same
A billet produced by continuous casting having little central segregation, in particular a billet of high carbon steel produced by continuous casting, and a manufacturing method therefor are provided. In the continuous casting billet, the size of the dendritic equia...
06/14/2005
6843305Method and device for controlling stirring in a strand
A method of controlling the flow of molten metal in non-solidified portions of a strand (3) during continuous casting, and a device for application of the method. The device comprises a two-phase or plural-phase stirrer (1) arranged around a mould (...
01/18/2005
6840303Process for continuously casting light alloy and apparatus for continuously casting light alloy
An ingot I made of a light alloy is produced using a continuous casting apparatus including a cylindrical water-cooled casting mold which is disposed immediately below a spout having an upward-turned molten metal receiving port and a downward-turned molten metal out...
01/11/2005
6712124Method and apparatus for continuous casting of metals
During continuous casting of metals, a non-moving, vibrating magnetic field is applied to a molten metal in a casting mold to impose only vibration on the molten metal. This continuous casting method can produce a cast slab much less susceptible to flux entrainment,...
03/30/2004
6450241Method for continuous casting and device for carrying out the method
A method and a device for continuous or semi-continuous casting of metal, where hot melt is supplied to a cooled continuous casting mold and the melt is cooled and formed to a at least partly solidified strand as it passes through the mold. An inductive c...
09/17/2002
6443219Method for casting molten metal
The present invention provides a continuous casting method in which vibration is given to molten metal by a shifting magnetic field so that the equi-axed crystal ratio can be enhanced and the equi-axed crystals can be made fine without generating surface ...
09/03/2002
6435263Agitated continuous casting process for aluminum alloy
When a continuous casting is carried out while applying an electromagnetic agitating force to a molten metal of an aluminum alloy composition, the molten metal of the aluminum alloy composition has an Fe content in a range of 0.75% by weight ࣘFe
08/20/2002
6021842Electromagnetic device for use with a continuous-casting mould
A stationary continuous casting mold, especially for casting steel, with an electromagnetic device having a plurality of stirrer elements which are arranged in pairs on the outer wall of the continuous casting mold at a distance from one another and are c...
02/08/2000
6003590Continuous casting method and relative device
Device for the continuous casting of billets, blooms, slabs and round bars, the device being associated with a crystalliser (10) containing the cast metal, the crystalliser (10) having sidewalls (11) which cooperate with cooling channels (16-24) defined b...
12/21/1999
5988261Continuous casting method and relative crystalliser for continuous casting
Crystalliser for the continuous casting of billets, blooms, slabs and round bars, whether the crystalliser be of the plate type or substantially tubular, having cooled sidewalls (11) which include, in at least one longitudinal area, at least one perimeter...
11/23/1999
5901779Continuous casting mold with a stirrer incorporating a magnetic circuit
A continuous-casting mold has walls resting on an oscillating lifting platform and is provided with a stirrer which incorporates a magnetic circuit. The stirrer has a yoke which at least partially surrounds the walls of the mold and which has at least two...
05/11/1999
5785112Method and modular continuous casting mold for manufacturing ingots
Mold for continuously casting rolling slabs or extrusion billets where the mold is in the form of a hollow cylindrical body with a cylindrical mold interior, and an inlet and an outlet opening, and the mold comprises at least two closed, ring-shaped mold ...
07/28/1998
5746268Continuous casting method and apparatus
A method and an apparatus for continuously casting a metal slab made of steel are provided for uniformly circulating molten metal on a meniscus in a mold. The cast metal slab has no surface defect such as a slitting. On the meniscus, the method and appara...
05/05/1998
5743324Disconnectable electrical connection system for a moving assembly
A downstream connection block (GB) constituted by connector halves (FB1) is electrically connected in permanent manner to a moving assembly (EB). An upstream connection block (GA) is electrically connected in permanent manner to a stationary power supply ...
04/28/1998
5699850Method and apparatus for control of stirring in continuous casting of metals
An induction stirring method wherein molten metal is electromagnetically stirred during continuous casting in a mold includes control of velocity of the stirring motion at the meniscus and the region adjacent to it, either to decrease or enhance the stirr...
12/23/1997
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