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| Number | Title | Issue Date |
| 7790098 | Molten metal holding furnace A molten metal holding furnace for supplying a constant quantity of the molten metal to a casting machine is composed of a holding chamber having a melt supply port, and a pressurization chamber having an upward melt outlet port. The holding chamber and the pressuri... | 09/07/2010 |
| 7767136 | Apparatus for the combustion of gas exiting from a furnace, for the preheating of scraps entering the furnace itself and related process Apparatus for the combustion of gas exiting from an electric arc furnace where the heat of combustion is used for the preheating of scraps entering the furnace wherein the apparatus has an insertion device for introducing comburent substance into a preheating chambe... | 08/03/2010 |
| 7371342 | Method for unlocking nozzles of reactors Method intended to unblock enriched air blow or reaction gases nozzles in reactors or fusion converters for mining industry pyrometallurgy CHARACTERIZED by the injection of discrete air impacts with time intervals regulated to high pressure and rate through the enri... | 05/13/2008 |
| 7354491 | Method and apparatus for universal metallurgical simulation and analysis A method and apparatus (5) for simulating and analyzing industrial thermal processes, including industrial heat-treatment, processes, melting, solidification, quenching and the like, used in the manufacture of metals, alloys and metal matrix composite compone... | 04/08/2008 |
| 7338629 | Integrated metal processing facility A system and method for forming and heat treating a metal casting are provided. ... | 03/04/2008 |
| 7275582 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 10/02/2007 |
| 7258755 | Integrated metal processing facility An integrated metal processing facility in which molten metal is poured into a series of molds at a pouring station to form metal castings, which are then transferred to a heat treatment line. Prior to introduction of the castings into a heat treatment station of th... | 08/21/2007 |
| 7255828 | Electromagnetic method and apparatus for treatment of engineering materials, products, and related processes A method and apparatus for performing electromagnetic treatment on engineering materials and products and for improving processing technologies and service characteristics of the materials. The apparatus integrates electromagnetic treatment with a thermal analyzer a... | 08/14/2007 |
| 7218974 | Industrial process data acquisition and analysis A method for optimizing an industrial process data is disclosed. The method includes collecting data from a plurality of sensor elements, wherein each sensor element collects data from a portion of the industrial process and verifying the data collected. The method ... | 05/15/2007 |
| 7077993 | Apparatus for softening a selected portion of a steel object by heating Differential hardening apparatus for softening a portion only of a metal workpiece such as a die block consisting of apparatus for presenting a workpiece to a heat source which impinges heat directly on the workpiece and control means for causing the heat to be dire... | 07/18/2006 |
| 7015439 | Method and system for control of on-site induction heating A workpiece heating system having an induction heating power source and a controller. The controller is operable to control the operation of the power source according to programming instructions received from a user. The controller enables a user to establish a seq... | 03/21/2006 |
| 6969416 | Method for controlling slag characteristics in an electric arc furnace A method of controlling slag characteristics in an electric arc furnace control is disclosed. The furnace has inputs including oxygen supply and carbon supply. The method of controlling slag characteristics includes introducing a charge to be melted into the furnace... | 11/29/2005 |
| 6964751 | Method and device for heat treating substrates Method and device for the heat treatment of substrates, wherein the substrates are positioned in the vicinity of a heated, essentially flat furnace body extending over the surface of the substrate. In order to provide a reproducible treatment when treating a number ... | 11/15/2005 |
| 6955730 | Method for enhancing the metallurigcal quality of products treated in a furnace The method and apparatus for enhancing the metallurgical quality of products treated in a furnace with several zones, wherein the temperature and the atmospheric conditions can be controlled. The applies to any type of product treated in a furnace, such as billets, ... | 10/18/2005 |
| 6901990 | Method and system for processing castings A method and system of processing castings is provided in which one or more castings are deposited into a mobile furnace and moved from one station to another of a multi-station casting processing system. The interior of the mobile furnace is heated so as to maintai... | 06/07/2005 |
| 6846366 | Carburizing method and carburizing apparatus There is provided an economical carburizing method and carburization apparatus capable of carrying out carburizing treatment with a quality as high as that in a normal case and a high reproducibility even if carburizing conditions differ from those in a normal case.... | 01/25/2005 |
| 6843957 | Ultrasonic impact methods for treatment of welded structures This invention provides methods of treatment for work products of materials such as steel, bronze, plastic, etc. and particularly welded steel bodies by pulse impact energy, preferably ultrasonic, to relax fatigue and aging and extend expectant life. The treatment m... | 01/18/2005 |
| 6783570 | Method for determining the needed amount of structure modifying agent to be added to cast iron The present invention provides a possibility to evaluate cooling curves recorded in near-eutectic cast iron melts. The curves are evaluated by generated in the melt in the center of the sample to the melt as a function of time. This information is then used to ident... | 08/31/2004 |
| 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 |
| 6736876 | Fluidized bed breakage prevention system for fluidized bed reduction reactor and method A fluidized bed reduction reactor (100) for supplying a reduced iron to a melter-gasifier (1) of a smelting reduction system includes an exhaust gas supply unit (3) for supplying an exhaust gas to a reduction gas supply tube (4) interconn... | 05/18/2004 |
| 6669754 | Method for optimizing the layout and operation of a reduction method A description is given of a method of optimizing the design and operation of a reduction process for iron-containing charge materials (3), preferably in lump form, in a reduction shaft (1) to which reduction gas (9) is fed, for example from a fusion gasif... | 12/30/2003 |
| 6660220 | Apparatus and method for delivering an inert gas to prevent plugging in a slide gate The invention is directed to a dynamic control system that maintains an inert gas feed at a constant target gas flow rate sufficient to prevent or reduce alumina or alloy plugging within a slide gate discharge opening. The dynamic control system includes ... | 12/09/2003 |
| 6656414 | Device for continuously measuring the temperature in pelletizing furnaces A device for continuously measuring the temperature in pelletizing furnaces basically comprised of a plurality of temperature detectors (1, 2) disposed at fixed sites on the grate car (10) that follow the latter along the furnace and inform continuously a... | 12/02/2003 |
| 6607577 | Desulphurization reagent control method and system A method and computer program for determining the amounts of desulphurizing reagents required to reduce the sulphur content in hot metal to meet a specified aim concentration. The determination of the amounts of reagents is based on a multivariate statist... | 08/19/2003 |
| 6591215 | Systems and methods for controlling the activity of carbon in heat treating atmospheres Systems and methods monitor the activity of carbon in a heat treating atmosphere, e.g., where a two phase region is desired for spherodize annealing. The systems and methods generate a computed activity of carbon value for the gas atmosphere as a function... | 07/08/2003 |
| 6576039 | Method and apparatus for metal pouring A method and apparatus is disclosed to improve the metal yield by adjusting the tilt angle of a tilting vessel having a submerged tap hole. The tilt angle is adjusted in response to parameters inherent in the pouring process, i.e. the proximity of the ves... | 06/10/2003 |
| 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 |
| 6544314 | Process and apparatus for automatically controlling slag foaming A metal alloy, such as steel, is manufactured in an electric arc furnace system equipped with at least one sensor, at least one a controller including a logic program and a variable valve in fluid communication with the furnace and a material source. The ... | 04/08/2003 |
| 6517604 | Apparatus and method for measuring the molten metal level in electromagnetic continuous casting An apparatus and method for measuring the level of a free surface of molten metal in an electromagnetic continuous casting process using an AC electromagnetic field. A detection coil is provided to detect the sum of a magnetic field applied from an induct... | 02/11/2003 |
| 6302941 | Method for operating a blast furnace A method for producing a molten iron in a blast furnace comprises the steps of: preparing an optical fiber covered with a metallic tube; measuring a temperature of the molten iron flow discharged from a tap hole of the blast furnace by means of making use... | 10/16/2001 |
| 6264716 | Process for controlling the stirring energy delivered by a gas flowing through a liquid A process for stirring molten steel in a container. In this process, argon gas is introduced into the container at a flow rate of from about 0.005 to about 0.2 cubic feet of argon per ton of molten steel per minute, the extent to which said container is c... | 07/24/2001 |
| 6245122 | Apparatus and method for reclaiming scrap metal An apparatus and method for reclaiming contaminated scrap metal, more particularly an improved reverberatory furnace designed for melting scrap. The amount of hydrocarbons volatilized from the melting of contaminated scrap is measured and the fumes are pa... | 06/12/2001 |
| 6190434 | Method for determination and control of the amounts of nitrogen dissolved in metallic liquid phases and device for its realization The present invention refers to a method for determination and control of the amount of nitrogen dissolved in metallic liquid phases and to a device permitting, when placed in the steel producing plant and for instance in the tundish or in the continuous ... | 02/20/2001 |
| 6095383 | Adjustable molten metal feed system An improved molten metal feed system is provided for high speed, continuous casting of metals and alloys. The feed system includes a distributor box having an insulative lining which supports an internal flow distributor board. The flow distributor board ... | 08/01/2000 |
| 6090180 | Cupola emission control system and method A cupola emission control system is provided that includes both improved physical emission control equipment and improved controls for operating such equipment. The physical emission control improvements include an orifice ring of restricted diameter abov... | 07/18/2000 |
| 6080223 | Flame detection monitoring system for detecting blockages in blast furnace injection paths A flame detection system for detecting blockage in oil injection paths into blast furnaces utilized in the manufacture of iron. The flame detection system, as designed and installed, monitors the amount of light seen through a blowpipe peephole and causes... | 06/27/2000 |
| 5984998 | Method and apparatus for off-gas composition sensing An apparatus and method for non-intrusive collection of off-gas data in a steelmaking furnace includes structure and steps for transmitting a laser beam through the off-gas produced by a steelmaking furnace, for controlling the transmitting to repeatedly ... | 11/16/1999 |
| 5948350 | Device for dispensing additive in molten metal sample mold A mold for sampling molten metals includes a cavity body for receiving a measured sample of a molten metal, and, an insert containing a material for promoting carbide formation in the molten metal as it cools, the insert containing a measured amount of th... | 09/07/1999 |
| 5948137 | Scrap metal measuring and weighing process and apparatus An on-line system for measuring the composition of scrap metal, including a loader with a load sensor having a motion compensator linked to a bulk material analyzer such as a prompt gamma-ray neutron activation analyzer. The grade of scrap used to prepare... | 09/07/1999 |
| 5846340 | Process for preparing a heat treatment atmosphere and method for regulating said process Process for the preparation of a heat treatment atmosphere by a catalytic reaction in a catalytic reactor including an inlet and an outlet between a first gas mixture comprising oxygen and a second gas mixture comprising a hydrocarbon for the purpose of s... | 12/08/1998 |
