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Patent No. 6637829

Decorative Jeweled Wheel Cover

An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.

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Class 266/47 - Tuyere operation


Subclass of Class 266 - Metallurgical apparatus
Definition: Method for operating short tubular means adapted to be mounted
No. of patents: 94
Last issue date: 08/23/2011


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NumberTitleIssue Date
8003043Systems and methods for accessing a furnace melt
A method and apparatus for accessing a furnace melt are provided. Preferably, the method and apparatus provide for the safe and efficient access to the molten metal melt in a furnace. According to one aspect of the invention used in a steel making process in an elec...
08/23/2011
7981358Cooling apparatus of hot steel plate, cooling method of hot steel plate, and program
An apparatus for controlled cooling of hot steel plate while constraining and conveying the plate by constraining rolls horizontally which is inexpensive and enabling continuous control of the cooling ability over a broad range, that is, a cooling apparatus for spra...
07/19/2011
7858018Mounting enclosure for burners and particle injectors on an electric arc furnace
An enclosure for mounting burners and particle injection equipment in an electric arc furnace (EAF) is described. The enclosures are mounted on the sidewalls of an EAF and include passages in which burners or injectors are mounted so that the discharge ends of the b...
12/28/2010
7691320Gas supply system for a metallurgical furnace and operating method for said system
The aim of the invention is to damp or suppress oscillations (≦back-attack≧ effect) in sidewall or base blowing converters, used in particular to produce carbon steel or stainless steel. To achieve this, the gas supply system (3) for the converter compris...
04/06/2010
7566413Method for protecting a tuyere assembly and a refractory lining of a furnace
A method for protecting a tuyere assembly and a refractory lining of a furnace, and in particular a blast furnace, against damage caused by expansion of the refractory lining. This method includes providing a clearance between the tuyere assembly and a refractory li...
07/28/2009
7371342Method 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
6905329Torch lighter for cigar
A torch lighter includes a fuel nozzle assembly provided for vaporizing the fuel released therefrom to a high-pressured gaseous fuel to emit to the ignition chamber, wherein the vaporizer assembly includes a torch head, which is provided at an emitting end of a nozz...
06/14/2005
6890479System and method for steel making
A metallurgical furnace, which includes a furnace shell, an exhaust system, and a gas cleaning system, further includes a plurality of improved pipes and fume ducts throughout to increase operational life and productivity. The pipes and fumes ducts are comprised of ...
05/10/2005
6805831Mechanical waves generator system in a converter or pyrometallurgical furnace
A system for generating mechanical waves for use in smelting and conversion processes that occur in furnaces and converters for a higher production of refined metals, consisting in a electrical signal generator, transducers that convert said electrical signals in me...
10/19/2004
6790406Mechanical waves generator system in a converter or pyrometallurgical furnace
A system for generating mechanical waves for use in smelting and conversion processes that occur in furnaces and converters for a higher production of refined metals, consisting in an electrical signal generator, transducers that convert said electrical signals in m...
09/14/2004
6787099Mechanical waves generator system in a converter or pyrometallurgical furnace
A system for generating mechanical waves for use in smelting and conversion processes that occur in furnaces and converters for a higher production of refined metals, consisting in an electrical signal generator, transducers that convert said electrical signals in m...
09/07/2004
6638337Method of introducing additives in steelmaking
The additives, in particulate solid form, are conveyed pneumatically in a divergent stream from a pneumatic gun to impinge upon the molten iron and mix therewith. The gun is spaced above a surface of molten iron such that the pneumatically conveyed stream...
10/28/2003
6594596System for a non-invasive online discrete measurement of phase levels in converters or pyrometallurgical furnaces
A non-invasive online system for discrete measurements of phase levels in a converter or pyrometallurgical furnace in smelting and conversion processes, consisting in a electrical signal generator, transducers that convert said electrical signals in mecha...
07/15/2003
6478846Method and device for injecting reducing agents in a shaft furnace
The invention relates to a method for injecting reducing agents into a shaft furnace in which the reducing agent is transported within a pneumatic delivery stream to the shaft furnace according to the flowing steps; a) dividing the delivery stream into a ...
11/12/2002
6383445Supersonic coherent gas jet for providing gas into a liquid
A system for establishing and maintaining a supersonic coherent gas jet, effective with either an oxidizing or an inert gas, employing a converging/diverging nozzle for establishment of a non-disruptive initial supersonic velocity, and a slower moving def...
05/07/2002
6299830Apparatus and method for tapping a furnace
An apparatus and method for controlling the flow of molten material from a melt container. The apparatus includes a tubular insert sized for insertion into a tap hole formed in a sidewall of the melt container and a rod receivable within the insert. A coo...
10/09/2001
6264716Process 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
6229838Electric arc furnace for the production of steel and method of operating this furnace
An electric arc furnace is provided for the production of steel by melting metal between electrodes. The electric arc furnace comprises gas injectors provided with respective cooling chambers placed in a wall of the furnace, wherein at least one single ch...
05/08/2001
6212218Reusable lance with consumable refractory tip
An improved apparatus for EAF steelmaking providing a lance for the injection of oxidizing gas, preferably oxygen, or other metallurgical gases and particulate materials into a steelmaking process. In one embodiment, the apparatus comprises a lance body c...
04/03/2001
6187258Operating method and device for a shaft furnace
A method for operating a blast furnace includes feeding metallic charge materials, alloy elements and energy carriers in the upper part of the furnace shaft. An oxidizing agent is fed in the lower part of the shaft. Filler material, namely, alloy elements...
02/13/2001
6171544Multiple coherent jet lance
A system for establishing a plurality of coherent gas jets proximate one another using a single lance wherein plurality of gas jets are ejected from a corresponding plurality of nozzles in a lance and a flame envelope is established around the plurality o...
01/09/2001
6156261Method and device for positioning the mouth of a consumable lance
A method and device for positioning the mouth of a consumable lance that conveys gaseous and/or solid media into a metallurgical vessel containing liquid metal. The lance is guided tangentially to the furnace vessel in a plane which lies above the liquid ...
12/05/2000
5956365Electric arc furnace having slag door and post combustion process
An electric arc furnace comprises a closed melting vessel and includes a roof through which metal to be molten is charged into the melting vessel. At least one electrode extends into the melting vessel and generates an electric arc and forms a molten meta...
09/21/1999
5932169Removal of slag and/or steel build-up from lances
A method of removing slag and/or steel build-up from lances in steel making furnaces includes blasting dry ice (solid CO2) pellets on to a hot lance as it is being drawn out of a furnace. A refractory or ceramic coating may be applied to the la...
08/03/1999
5916512Method and apparatus for after-burning the combustible components of the atmosphere in metallurgical smelting vessels
Method and apparatus for post-combustion (after-burning) of the combustible gases present in a metallurgical vessel used for smelting metals. A swirling flow of an oxidizing gas emanating from a radiant injector (10) having a funnel-shaped (conical) diffu...
06/29/1999
5902543Process and device for cooling an article
In a process for cooling an article by applying a liquid coolant to the surface (20) of the article (18) in the form of continuous jets (16) of coolant, the delivery rate of each jet of coolant is set in such a manner that the coolant striking the surface...
05/11/1999
5865876Multipurpose lance
A steelmaking furnace is cleaned and maintained using a lance which includes an elongated lance body including at least one first nozzle opening proximal to an end that extends into the furnace and at least one other second nozzle opening spaced upwardly ...
02/02/1999
5863490Gas blast nozzle for molten metal and method of using the same
A gas blast nozzle for a furnace for processing molten metal has a prolonged service life and is free from gas leakage. The nozzle comprises a refractory block having a narrow straight bore and a small metal pipe slidably arranged in the straight bore. A ...
01/26/1999
5858059Method for injecting feed streams into a molten bath
First and second feed streams are injected into a molten bath, thereby creating first and second jets. The first and second jets combine to form a substantially planar, or fan jet, region within the molten bath. The first and second feed streams can inclu...
01/12/1999
5853656Apparatus and method for cooling a basic oxygen furnace trunnion ring
A method and apparatus for cooling a BOF trunnion ring by vaporization. A water mist is injected into the interior space of the trunnion ring where it is vaporized. The heat transfer of vaporization cools the trunnion ring, and the hot vapor is vented fro...
12/29/1998
5846479Apparatus for de-gassing molten metal
Argon injection nozzles are provided in a close-spaced series lengthwise along a treatment trough, in which liquid aluminum is conveyed. The gas is blown in at high Reynolds No, whereby the jets break up into small bubbles. A high average bubble populatio...
12/08/1998
5822357Process for melting a charge in a furnace
A charge of scrap is melted in a furnace (1) with post-combustion of the fumes by injection of an oxygenated gas into the space in the furnace above the charge. During periods of post-combustion, the oxygenated gas is injected in the form of several jets ...
10/13/1998
5802097Melting method for an electric ARC furnace with alternative sources of energy and relative electric ARC furnace with special burner positioning
Melting method for an electric arc furnace with alternative sources of energy for the melting of iron-based alloys, the electric furnace (10) including tuyeres (13) positioned on the bottom to deliver oxygen, at least one tuyere (15) to deliver coal dust ...
09/01/1998
5681526Method and apparatus for post-combustion of gases during the refining of molten metal
A post-combustion lance for use in refining molten metal and recovering heat by combustion of combustible gases evolved from the molten metal bath is provided with a plurality of pairs of post-combustion nozzles arranged about the periphery of the lance a...
10/28/1997
5674309Method and apparatus for controlled turbulent purging of open containers
A method and apparatus for purging air from the interior of a container in which purge gas is supplied to the interior of the container from one or more injectors in a turbulent jet flow having a modified Reynolds number Re' of less than 14,000 and the pu...
10/07/1997
5653936Method of cooling a hot surface and an arrangement for carrying out the method
In a method of cooling a hot surface, a liquid cooling medium is atomized by a plurality of nozzles in a hollow space surrounding the surface and open towards the atmosphere. In order to ensure uniform continuous, yet just sufficient, cooling of the hot s...
08/05/1997
5635130Combined oxygen blowing/fuel burner lance assembly
An improved oxygen blowing/fuel burner lance assembly for introducing, at selected times, a flow of oxygen and/or carbonaceous fuel material, such as fine-grained carbon or hydrocarbon gas (e.g., natural gas and the like), into an electric furnace vessel....
06/03/1997
5547170Gas and/or solid material blasting device for a metallurgical vessel and method of manufacture thereof
A blasting device to be used to introduce a gas and/or a solid material into a metallurgical vessel such as a convertor includes a plurality of blasting tubes arranged in a tube bundle, with ends of the tubes being inserted into respective receiving bores...
08/20/1996
5544868Blow pipe and gas lance for blast furance
An improved fuel lance and blow pipe system for injecting supplemental fuel into a blast furnace includes a lance support on the blow pipe housing by use of a quick disconnect coupling for releasably coupling the lance to the blow pipe and accurately fix ...
08/13/1996
5487532Device for inserting a lance into a pressurized container, in particular a blast furnace
A device is presented which equips an opening made in a pressurized container, in particular a blast furnace, for the axial insertion of a lance. This device comprises an axial sealing member, a casing, a first fixed seat, a second axially movable seat an...
01/30/1996
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