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WO/2011/127877 |
The present invention presents a device (1) which considerably improves the technique of introducing gases into hot liquid media (3) in metallurgical processes for processing metals. The device (1) consists of a lower portion (14) and an...
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WO/2011/118477 |
The disclosed installation structure for a gas-injection plug is easy to maintain and can prevent a molten metal from leaking out via a gas-supply tube for supplying a gas to the gas-injection plug. In said installation structure, a bott...
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WO/2011/102748 |
The claimed inventions relate to metallurgy and involve the production of steel from cast iron. The apparatus comprises a ladle (1) in which liquid cast iron (2) is blasted with oxygen via bottom tuyeres (4) and a "gas dome" device (6) u...
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WO/2011/095193 |
The invention relates to a gas purging device, as is used, for example, in metallurgical melting vessels (such as converters, ladles, and tundishes) to blow a gas, optionally in combination with finely distributed solids, into a metallur...
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WO/2011/094925 |
A clamp type ultrasonic processor comprises a transducer assembly and a function fixture. The transducer assembly comprises a transducer (1) and an amplitude transforming shaft (2) attached thereto. At least one transducer assembly is co...
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WO/2011/087392 |
The invention pertains to the field of metallurgy and relates to a "gas-sleeve" device for refining, degassing and continuously casting a metal from a ladle including a bottom casting barrel. The device comprises a plate having an openin...
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WO/2011/071152 |
Disclosed is an agent for maintaining the surface temperature of molten steel, which is applied over the surface of molten steel that has a predetermined surface temperature. The agent for maintaining the surface temperature of molten st...
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WO/2011/071141 |
Disclosed is an agent for maintaining the surface temperature of molten steel, which is applied over the surface of molten steel that has a predetermined surface temperature. The agent for maintaining the surface temperature of molten st...
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WO/2011/064415 |
The present invention describes a procedure for inoculating a nucleating additive into an alloy of molten iron in a casting distributor by means of the employment of a transferred arc plasma torch having an anode partially submerged in t...
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WO/2011/015005 |
A method for casting the planet carrier made of ductile cast-iron includes the processes of molding, smelting, spheroidizing, incubating, pouring and relief annealing. A step gate is used in the pouring process. Iron chills are arranged ...
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WO/2011/004685 |
Disclosed are an inoculant feeding method and apparatus, wherein a desired amount of inoculants can be fed into a molten metal poured into a casting die by an automatic molten metal pouring machine, and an automatic molten metal pouring ...
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WO/2010/143536 |
Provided is a lance pipe that can be used economically. The lance pipe (1) introduces a injection gas into molten aluminum, and is characterized in that the tip of a gas introduction pipe (2) is provided with a detachable porous tip sect...
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WO/2010/140915 |
A method for producing a precipitation-hardened lean copper-based alloy and a method for producing a metal product therefrom relate to the field of non-ferrous metallurgy, in particular to the metallurgy of lean copper-based alloys, and ...
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WO/2010/136519 |
A refractory purging porous block assembly (100, 400) for use at a sink outlet (101 ) of a tundish, comprises a main body (200) comprising a first material, a bore hole (103) extending from a top side (203) of the main body to a bottom s...
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WO/2010/103641 |
A process for the production of a semisolidified iron-base alloy slurry consisting of both a crystallized solid phase and a remaining liquid phase. The process comprises using a material having a hypoeutectic cast iron composition, addin...
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WO/2010/094464 |
A temperature measuring device for molten metal includes a porous plug with a first end and an opposed second end, an outer protective sheath with a closed end, an inner protective tube with a closed end, and a thermocouple arranged with...
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WO/2010/095360 |
Provided is a device for stirring a molten metal whereby bubbles formed by blowing a gas can be miniaturized and uniformized. A device (1) for stirring a molten metal equipped with a stirring blade (2) which is attached to the front end ...
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WO/2010/094464 |
A temperature measuring device for molten metal includes a porous plug with a first end and an opposed second end, an outer protective sheath with a closed end, an inner protective tube with a closed end, and a thermocouple arranged with...
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WO/2010/079901 |
The present invention relates to a thermal insulator for molten metal, wherein a molten metal is insulated by using a carbonized product produced using sewage sludge discharged from a sewage-treatment plant. The thermal insulator for mol...
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WO/2010/054853 |
A container for molten metal has at least one opening (4; 24) in which a refractory nozzle brick (5; 5'; 25; 25') is mounted. A refractory purge plug (10; 10') or a refractory sleeve (30; 30') defining an outlet opening (31; 31') is inse...
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WO/2010/054853 |
A container for molten metal has at least one opening (4; 24) in which a refractory nozzle brick (5; 5'; 25; 25') is mounted. A refractory purge plug (10; 10') or a refractory sleeve (30; 30') defining an outlet opening (31; 31') is inse...
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WO/2010/051675 |
A method of synthesizing metal-based composite material by melt reaction in coupling magnetic field and ultrasonic field comprises: adjusting metal-base melt to the reaction starting temperature after refining, then adding reactants whic...
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WO/2010/050182 |
Provided are an agitation device, a melting apparatus, and a melting method which achieve good melting efficiency without contaminating molten metal. The agitation device (150) is provided with a traveling magnetic field generating unit...
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WO/2010/010801 |
There is prepared a molten steel containing, in mass%, not less than 0.1% but not more than 7.0% of Si, not less than 0.1% of Mn, not less than 0.2% but not more than 5.0% of Al, not less than 0.1% but not more than 10% of Cr and the lik...
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WO/2010/008017 |
A process for the production of a cast slab of low-carbon steel which comprises the step of preparing a molten steel for a cast slab of low-carbon steel and the step of pouring the molten steel into a mold through a tundish, wherein La a...
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WO/2010/000209 |
An apparatus for production of semi-solidified alloy slurry by electromagnetic stirring in annulus of a tank, mainly includes an electromagnetic stirrer(1), a heat preserving system(2), an outer cooled body for controlling cooling of slu...
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WO/2009/156011 |
The invention relates to a fireproof ceramic gas cleaning stone having the following features: at least one segment having unaligned porosity and extending from an end on the gas inlet side to a side face of the gas cleaning stone on the...
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WO/2009/090186 |
The invention relates to a composite (1) having a support material (3), where the support material (3) is coated on at least part of its area with a corrosion protection layer (2) comprising an aluminium alloy. The object of providing a ...
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WO/2009/075464 |
The present invention relates to a method of manufacturing a ferritic stainless steel containing an ultra low level of carbon concentration in molten steel within time shorter than existing technology by controlling content, appropriate ...
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WO/2009/069782 |
A method of regulating the composition of a molten metal in continuous casting. The method comprises continuously measuring the resistivity of a melt of copper and of a copper alloy, calculating the composition of the molten metal from t...
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WO/2009/069781 |
A process for manufacturing a copper alloy product from a precipitation-hardening type copper alloy which comprises the step of conducting separately the melting of pure copper and the melting of an additional element or a master alloy c...
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WO/2009/066058 |
A metallurgical treatment vessel comprises a multi-use, isostatically pressed, or vibrocast one-piece refractory vessel (1), comprising refractory sidewalls (2) and an integral refractory base (3), the vessel (1) being adapted, in use, t...
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WO/2009/059952 |
The invention relates to a device and a method for the low-pressure casting of metal melts, comprising a casting furnace (1), a feed channel (2) for the metal melt (3), a channel (4) in the direction toward the casting mold (5), and a fe...
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WO/2009/042817 |
An improved filter assembly for molten metal is described. The assembly has a canister with at least one port wherein the port allows filtered molten metal to flow from the canister. A plurality of filter elements is in the canister wher...
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WO/2009/042817 |
An improved filter assembly for molten metal is described. The assembly has a canister with at least one port wherein the port allows filtered molten metal to flow from the canister. A plurality of filter elements is in the canister wher...
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WO/2009/025456 |
The method for fabricating cast iron for the turbine housing/manifold in accordance with the present invention includes the steps of: providing an initial melt; providing a ladle and performing CV inoculation to the ladle; pouring out th...
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WO/2008/123355 |
Disclosed is a method for producing an aluminum alloy thick plate, which is characterized by sequentially performing, in the following order, a melting step (S1) wherein an aluminum alloy consisting of a predetermined amount of Mg, at le...
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WO/2008/114680 |
The invention provides aluminum alloy forgings having high strength, toughness, and corrosion resistance which cope with the demand for thinner walls of automotive suspension parts and a process for the production of the forgings. An alu...
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WO/2008/095446 |
A method for making ring forging component. Keep the molten steel whose temperature is between 1570 centigrade and 1700 centigrade in the heat preservation furnace whose inner temperate is 1540 to 1600 centigrade to keep the heat. Weigh ...
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WO/2008/088317 |
Methods and systems for cleaning, coating and sealing leaks in existing pipes, in a single operation. A piping system can be cleaned in one pass by dry particulates forced and pulled by air throughout the piping system by a generator and...
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WO/2008/087865 |
This invention provides a degassing apparatus which can satisfactorily remove inclusions such as H2 gas in a molten metal. A degassing apparatus (1) is characterized in that it comprises a degassing chamber (4) for agitating a molten met...
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WO/2008/081763 |
A flux for steelmaking which enables the production of a highly refined steel remarkably reduced in the contents of oxygen, nitrogen, and sulfur. It is a synthetic flux comprising 30-57 wt.% CaO, 35-64 wt.% Al2O3, and 5-17 wt.% MgO. The ...
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WO/2008/055490 |
The invention relates to a vertical casting apparatus for producing molded parts, comprising a crucible (12) for receiving a melt (14), a casting mold (22) for producing the molded part, a rising pipe (18) that extends from the crucible ...
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WO/2008/055490 |
The invention relates to a vertical casting apparatus for producing molded parts, comprising a crucible (12) for receiving a melt (14), a casting mold (22) for producing the molded part, a rising pipe (18) that extends from the crucible ...
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WO/2008/040115 |
Disclosed is a sub-system (100) of a metal molding system (1), including a dryer (108) configured to dry, at least in part, metal chips (2) before the metal molding system (1) processes the metal chips (2) The sub-system (100) optionally...
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WO/2008/017445 |
The present invention relates to a method for producing a skim core which is formed from a moulding material and on which an innoculant body is fixedly held. In order to provide a method by means of which skim cores (115), to which the i...
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WO/2008/006436 |
In its most general embodiment, the invention comprises an element made of at least one refractory ceramic material, with at least one channel which extends within the element, wherein the channel is at least partially formed by a number...
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WO/2007/138793 |
A lance pipe, degasification equipment, container with degasification equipment and watershoot with degasification equipment structured so as to attain efficient degasification of molten metal.There is provided lance pipe (1) for blowing...
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WO/2007/135838 |
A process for aluminum alloy plate production which has excellent productivity and in which the control of surface state and flatness is easy and plate thickness precision is improved; and an aluminum alloy plate. The following steps are...
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WO/2007/120028 |
The invention relates to a method and device for the induction stirring of liquid metal in the bath of a reverberatory furnace by the action of a traveling magnetic field whose frequency ranges from 50 to 60 Hz. The inventive method cons...
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