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| Number | Title | Issue Date |
| 7140415 | Method and apparatus for direct pour casting A direct pour metal casting process and casting mold having a direct pour passage. The casting mold is filled from a bottom pour ladle that dispenses molten metal into a riser core. The riser core defines an opening that progresses from a circular opening in the top... | 11/28/2006 |
| 7140416 | Continuous metal strip casting plant A continuous metal strip casting plant on which is mounted, at the casting location, a mobile ingot mould comprising two cylindrical metallic casting rolls in addition to other components, amongst which there are a tundish and/or under tundish and/or an unloader and... | 11/28/2006 |
| 6953337 | Transfer of hot feed materials from a preprocessing plant to an electric smelting or melting furnace Apparatus for transferring hot material between a preprocessing plant and an electric furnace has an enclosed housing extending between the plant and the furnace and within which a controlled atmosphere is maintained, at least one bin having at least one compartment... | 10/11/2005 |
| 6555049 | Steel manufacturing facility and method A steel manufacturing facility and method are disclosed which utilize ground mobile equipment, as opposed to overhead cranes. At least one material container is loaded with a steel making product and picked up with a transport vehicle that is movable thro... | 04/29/2003 |
| 6433451 | Method and electric motor with rotational stator An electric composite rotating machine haveing two rotors, capable of developing mechanical power and of runing on two rotational direction at selfadjutable speeds, of differential type, with 40% increase of output, doubling the torque at 30% reduction of... | 08/13/2002 |
| 6403021 | Method of constructing a blast furnace body and lifting transfer apparatus A method and lifting transfer apparatus for dismantling an existing blast furnace body by dividing it into a plurality of furnace-body ring blocks, and efficiently transporting each of the ring blocks to and from a furnace-body disassembly site and back t... | 06/11/2002 |
| 5882578 | Tilting metallurgical unit comprising several vessels A metallurgical unit for smelting metal charge material and for post-treatment of the molten metal, which is tiltable from a starting position in a positive tilting direction (8) about a tilt axis (7), includes a melting vessel (1), with a furnace hearth ... | 03/16/1999 |
| 5802098 | Melting vessel with fastening, mounting and tilting devices A melting vessel plant, in which the melting vessel is a converter vessel, to which a vessel cover with a pipe connection for removing the flue gases is attached. Either an oxygen lance with an auxiliary cover or electrodes with an auxiliary cover are int... | 09/01/1998 |
| 5628958 | Melt shop layout A melt shop for melting scrap steel comprises a pair of primary melting furnaces and a pair of refining facility stations. The layout for the primary melting furnaces, refining facility, associated support, and peripheral equipment and caster is a single-... | 05/13/1997 |
| 5600564 | Coke oven battery with communication system A coke oven communication and control system uses high frequency spread spectrum transceivers which are land based (connected to a central controller) and machine based (on a charging car, door machine, pusher, or quench car). Each land based transceiver ... | 02/04/1997 |
| 5567379 | Method of producing molten pig iron or molten steel pre-products and a plant therefor A plant is provided for producing molten pig iron or molten steel pre-products from lumpy, iron-ore-containing charging substances. The plant comprises a reduction shaft furnace for receiving lumpy, iron-ore-containing charging substances, the plant inclu... | 10/22/1996 |
| 5511767 | Copper smelting apparatus A copper smelting apparatus for processing of copper concentrates to produce blister copper requiring relatively low capital cost and land area. The apparatus combines batch smelting processing to produce copper matte with continuous processing to produce... | 04/30/1996 |
| 5480127 | Apparatus for the melting and treatment of metal In a method for melting and treating metals and metal alloys, especially steels, solid charge material is melted in a ladle. Then while passing a gas through the melt at least part of the time, at least one of the treatments of decarburization, dephosphor... | 01/02/1996 |
| 5329989 | Induction melting and casting apparatus The apparatus includes casting stations disposed around a melt chamber of a furnace. Each casting station has a tundish for selectively transporting melt to the desired casting station. The apparatus is provided with apertures in the walls of the melting ... | 07/19/1994 |
| 5314168 | Apparatus and method for controlling operation of quenching car/bucket for coke oven An apparatus for controlling drive or operation of a quenching car and/or a bucket car for a coke oven and a method therefor, capable of effectively accomplishing the automatic control of the operation of the quenching car/bucket car. A quenching car/buck... | 05/24/1994 |
| 5286008 | System for inerting a casting vessel used for transporting molten metal A system for inerting a casting vessel, such as a traversable ladle or torpedo vessel, used for transporting molten metal, the vessel being positioned below the molten metal outlet opening at a transfer station, and the vessel cavity being flushed with an... | 02/15/1994 |
| 5265851 | Installation for the heat treatment of successive batches The loading car (25) transfers the batch and deposits it on the plug (10) of the furnace (1). The batch is introduced into the furnace (1) and the latter is closed by means of the lift (12) which is lowered after the treatment to an intermediate position,... | 11/30/1993 |
| 5253846 | Apparatus and method for controlling operation of quenching car/bucket car for coke oven An apparatus for controlling drive or operation of a quenching car and/or a bucket car for a coke oven and a method therefor, capable of effectively accomplishing the automatic control of the operation of the quenching car/bucket car. A quenching car/buck... | 10/19/1993 |
| 5196157 | Tundish exchange apparatus for a continuous casting equipment Two tundish cars, each detachably carrying a tundish, are supported on continuous circular rails for movement between a pouring position and a standby position spaced along the rails from a pouring position and provided with guide rails mounted above the ... | 03/23/1993 |
| 5069429 | Plant for treating and melting metals, metal compounds and/or metal alloys or for producing calcium carbide There is disclosed a plant for treating and melting metals, metal compounds and/or metal alloys or for producing calcium carbide. It includes a burden-receiving shaft and a melting furnace arranged below the shaft and including a heating means. A passage ... | 12/03/1991 |
| 5027880 | Tundish changing apparatus in a continuous casting installation Two tundish transport trucks move in alternate relation between a pouring position and a tundish preheating position. A swivel table is disposed at the forward end of a transport rail which extends laterally from the pouring station for guiding the tundis... | 07/02/1991 |
| 4978105 | Steel mill system which includes a metallurgical furnace and a further processing system A steel mill system includes a metallurgical furnace and a further processing system such as a continuous casting system and/or one or more stations for treatment of the steel melt. At least one steel ladle is loaded with steel melt below the metallurgica... | 12/18/1990 |
| 4861000 | Installation having several elements for heat treatments An upper line comprises three furnaces 1, 2, 3 and a washing machine 4, in straight side-by-side arrangement. A lower line comprises movable treatment elements 7, 8, 9 movable on conveyor track 5, and fixed vat 17. Car 6 permits feeding all the elements o... | 08/29/1989 |
| 4834346 | Ladle lid arrangement A light-weight ladle lid cooperates with a lifting assembly positioned to remove the ladle lid as the ladle moves toward a filling location, and to allow the lid to be drawn back down onto the ladle when the latter retraces its path. The assembly has ramp... | 05/30/1989 |
| 4804408 | A mill arrangement and a process of operating the same using off gases to refine pig iron In the operation of mills for the production of steel from molten pig iron and solid ferrous carriers, it is sought for economic reasons to increase the portion of solid ferrous carriers. To supply thermal carriers, such as fossile fuels, as is known, inv... | 02/14/1989 |
| 4751956 | Device to handle ladles Device to handle ladles in cooperation with the casting zone (45) in continuous casting, casting into ingot moulds or forms or mixed casting, such device providing independent, coaxial arms able to rotate by a continuous 360° rotation and to support the ... | 06/21/1988 |
| 4717125 | Metallurgical ladle with improved tilting lug An improved tilting lug assembly for a metallurgical ladle includes an elongated hooking link having one end portion pivotally mounted on the sidewall of the ladle by a rigid support bracket positioned substantially 90° circumferentially from the ladle t... | 01/05/1988 |
| 4491074 | Force equalizing mechanism for the wheels of heavy load-carrying rail vehicles A vehicle for transporting heavy loads on parallel tracks is disclosed. Two of the wheels of the vehicle are fixedly mounted to the vehicle frame, while the remaining wheels are mounted so that they can vertically adjust to deviations in the height of the... | 01/01/1985 |
| 4456230 | Apparatus for the separation of metallic zinc from residues containing zinc An apparatus for separating metallic zinc from zinc-containing residues includes a tank which is coolable by the flow of air through a helicoidal conduit that is open radically to the outside via upper and lower orifices and formed within a chamber surrou... | 06/26/1984 |
| 4427370 | Method of treating raw materials in an iron reduction process A method of treating, in a vertical grate furnace, raw materials in an iron reduction process is disclosed. The raw materials are fed onto a grate-containing section which is separated from at least one other section of the grate furnace. Subsequently, th... | 01/24/1984 |
| 4421263 | Bi-directional clutchless film transport device A bi-directional film transport device includes an upper and lower plate member having a separation gap between a first and second pair of drive rollers, the bytes of which are positioned adjacent the gap. A single drive motor is rigidly rotationally coup... | 12/20/1983 |
| 4367865 | Method and apparatus for emptying bottle cars Method and apparatus for emptying bottle cars 22 of hot metal and slag. A rotatable bottle 24 is mounted to a railroad car for movement of molten iron between a blast furnace and a steel making facility such as a basic oxygen furnace or the like. To facil... | 01/11/1983 |
| 4269619 | Ilmenite beneficiation process and a digester method An improved digester method and apparatus particularly useful in the digestion stage of a process for the beneficiation of titaniferous iron ores and the like. A discharge nozzle is connected to a portion of the digester and the digested material is pumpe... | 05/26/1981 |
| 4094495 | Method and apparatus for the production of quality steels A method for producing steels within a very close analysis tolerance in which the raw materials are melted down in a first vessel, the melt is then tapped into a second vessel in which deslagging is accomplished, and thereafter the melt is subjected to tr... | 06/13/1978 |
| 4081178 | Apparatus for collection of tapping gases from electric smelting furnaces Apparatus for collection of tapping gases to prevent worker exposure to them is disclosed. The apparatus comprises a plurality of screens in combination with an opening in the floor positioned so that tapping gases are removed by the smoke hood without th... | 03/28/1978 |
| 4040609 | Metal smelting plant with treatment stand to regulate the analysis of metal smelts, particularly for desulphurization of liquid crude iron or liquid unrefined steel Arrangements of apparatus are provided for the automatic sequential additive treatment of metal smelts in a metal smelting plant in order to control and alter the component materials of the smelts, without the need for the physical transfer from the main ... | 08/09/1977 |
