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7569178 |
Apparatus and method for in-situ calibration of vacuum gauge by absolute method and comparison method
An apparatus and method for in-situ calibration of a vacuum gauge by absolute method and comparison method, which can carry out absolute calibration using a static type standard for measuring...
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7514033 |
Molten metal level burner output control for aluminum melt furnace
A control system and method for controlling a temperature and molten metal height in a gas-fired metal melting furnace whereby metal height and temperature may be more reliably maintained. The...
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7449141 |
Immersion measuring probe, particularly a drop-in-measuring probe
An immersion measuring probe, particularly a drop-in measuring probe for metal melts, is provided having a measuring head, on which at least one sensor carrier having at least one sensor is...
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7402274 |
Metal making lance slag detection system
A fully automated system and method for rapidly and reliably detecting the ingestion of slag within the tip of a metal making lance. The system utilizes a temperature sensor disposed adjacent to...
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7133726 |
Thermal cycler for PCR
An instrument for PCR comprising an assembly, a heated cover, and a computer. The assembly can include a sample block, Peltier devices, and a heat sink, clamped together. The sample block...
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7090801 |
Monitoring device for melting furnaces
Cracking of a crucible can cause heavy damage to the system in melting furnaces. A reliable monitoring of threatening breaking out of the melt is therefore needed. For this purpose a monitoring...
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7008590 |
Refractory stopper with a temperature resistant, electrically conductive coating
A refractory article such as a stopper used in the casting of molten metals that consists of a refractory core coated with an electrically conductive layer of carbon and graphite materials such...
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6902635 |
Multi-cell thermal processing unit
The present invention relates to a multi cell thermal processing unit. The thermal processing unit comprises an air tight common chamber containing an atmosphere other than ambient air. A loading...
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6833106 |
Compact blast furnace installation
In order to design a blast furnace in a space and cost-saving manner, the invention provides for an especially compact blast furnace ( 10 ) having no hearth, wherein the burden is transported to...
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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...
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6673304 |
Apparatus for heat-treating a V-type cylinder block by induction heating
In a heat-treatment apparatus for heat-treating a V-type cylinder block (W) by induction heating, the block (W) is fixedly mounted on a work table ( 11 ) and set at a reference position thereon. A...
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6649035 |
Low energy and non-heat transferring crust breaking system
A pneumatic control system is provided for selectively controlling movement of a pneumatically-operated device between first and second working positions. The pneumatically-operated device includes...
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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...
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RE37922 |
Method and apparatus to determine and control the carbon content of steel in a BOF vessel
Apparatus for determining in-blow % carbon content and/or the First Turn Down Carbon of a BOF heat includes a light sensor housed within a temperature regulated case having a sighting window...
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6460742 |
Process for reducing fume emissions during molten metal transfer
A process for reducing fume, dust and/or smoke emission in transferring molten metal, entailing: a) blanketing molten metal, preferably steel or iron with, at least, solid carbon dioxide; and b)...
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6428742 |
Method for heat-treating metallic workpieces
A method for heat-treating metallic workpieces, in which a flow of cooling gas is generated in a vacuum furnace by a fan in order to quench the workpieces, with the fan being driven by a rotary...
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6174390 |
Spiral parts heat treatment apparatus and method, and spiral part
A spiral parts heat treatment apparatus includes a first guide, a transfer unit, a second guide, and a controller. The first guide has a carrier portion that continuously conveys the manufactured...
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6085828 |
Molten metal admission control in casting
An opening 206 is provided in a system for delivering molten metal to the mold cavity 18 of a molten metal casting apparatus. A valve closure device 192, 196 is mounted at 198 to be reciprocated in...
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6024913 |
Precision quenching apparatus and method with induction heating
In the apparatus: Y table 43 carries a work W and travels a predetermined distance in direction Y in a reciprocating manner; X table 41 causes the work W to reciprocate in direction X between a...
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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...
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5939017 |
Cutting torch height control system
A program controlled metal cutting torch includes a torch height control system that utilizes a vibration sensor, such as an accelerometer, to provide a signal indicating torch tip contact with the...
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5871560 |
Process and plant for the direct reduction of iron-oxide-containing materials
A direct reduction process is disclosed for iron oxide-containing materials. Synthesis gas is mixed with top gas produced during direct reduction of the iron oxide-containing materials and is used...
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5858058 |
Process and plant for avoiding metal dusting in the direct reduction of iron-oxide-containing materials
A direct reduction process is disclosed for iron-oxide-containing materials. Synthesis gas is mixed with top gas produced during direct reduction of the iron-oxide-containing materials and is used...
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5846341 |
Method of carrying out diagnostics on a process for the thermo-chemical treatment of steels and alloys in a glow discharge and a device for carrying out the said method
The proposed method of carrying out diagnostics on a process for the thermo-chemical treatment of steels and alloys in a glow discharge involves monitoring the ionization characteristics of the...
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5837187 |
Heat treatment apparatus for solution annealing aluminum alloy components
An apparatus for the heat treatment of aluminum and aluminum alloy components in the aircraft manufacturing industry is precisely controlled in accordance with manufacturing regulations that must...
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5785772 |
Method and apparatus for controlling galvanneal induction furnace operation
A method for controlling operation of a galvanneal induction furnace includes the steps of providing a steel strip having a molten zinc coating applied thereto and transporting the strip to an...
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5695713 |
Device for the detection of a level of molten metals
A device for the detection of a level of molten metal in a molten vessel, especially a dosing furnace, is proposed in which a sensor made of electrically conductive material and which emits a...
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5658527 |
Method of detection and treatment of fires in seal means of comparted entrance and exit of furnace for continuous thermal treatment of metallic strips and the like
A seal device is provided in each comparted entrance and exit of a furnace for continuous thermal treatment of a metallic strip using a flammable atmospheric gas. The seal device is provided with...
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5650117 |
Slag detecting apparatus and method
Both an apparatus and method for detecting slag in a flow of molten metal conducted through a ladle shroud are provided. In the apparatus, first and second conductive pins are mounted beside one...
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5597501 |
Precision control of high temperature furnaces using an auxiliary power supply and charged practice current flow
Two power supplies are combined to control a furnace. A main power supply heats the furnace in the traditional manner, while the power from the auxiliary supply is introduced as a current flow...
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5549280 |
Probe system for reliably monitoring a condition in a metallurgical process
A probe system for reliably monitoring a condition in a metallurgical process is provided which includes a probe having a circuit for generating a low DC voltage signal indicative of a condition in...
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5547171 |
Apparatus and method for atomizing liquid metal with viewing instrument
An apparatus and method for atomizing liquid metal are disclosed. A liquid metal supply is coupled to a nozzle for atomizing a stream of liquid metal in an atomizing zone extending from the nozzle....
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5511766 |
Filtration device
A vessel used for transfer of molten metal having a refractory filter wall with filters for removing inclusion from molten metal as it flows through the vessel. The refractory filter wall having...
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5451246 |
Process and device for heating and melting lumps of sponge iron
For heating sponge iron to temperatures of about 850° C. without substantial oxidation losses, there are provided at least two separate preheating stages at different temperatures, to which the...
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5421559 |
Drive mechanism for a stopper in a molten metal vessel
A stopper drive mechanism is removably mounted on a molten metal vessel having a discharge opening and is adapted to move a stopper into and out of closing engagement with the discharge opening. A...
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5375816 |
Slag detecting device and method
A device for detecting slag in molten metal comprises a ladle shroud with a hollow passage that communicates a ladle containing the molten metal to a tundish to allow the molten metal to flow from...
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5346530 |
Method for atomizing liquid metal utilizing liquid flow rate sensor
A method and apparatus for atomizing liquid metal are disclosed. A vessel supplies liquid metal through a pouring channel to an atomizing nozzle. A flow sensor provides at least one gas flow into...
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5346182 |
Teeming trough
A teeming trough for pouring molten metal into a mold. Cooling water jackets are formed at both sides of a horizontal body for molten metal teeming. Valves for adjusting cooling water feeds are...
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5312090 |
Apparatus and method for controlling a stopper rod of a bottom pouring vessel
A bottom pour casting apparatus (100) includes a vessel (114) having a bottom nozzle (118). A stopper rod (112) is coupled to a programmable controller (250) by linkage mechanism (250) for...
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5308043 |
Top submergable lance
The top-submergable injection lance has an elongate conduit which extends between upper and discharge ends and defines a bore, for the supply of reactants, through the conduit and an annular, alloy...
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5259593 |
Apparatus for droplet stream manufacturing
A method of manufacture of a net form product, including directing a stream of liquid from a nozzle onto a collector of the shape of the desired product, applying a disturbance to the stream,...
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5198017 |
Apparatus and process for controlling the flow of a metal stream
An apparatus that controls the flow of a stream of metal, such as produced from the bottom of a hearth, includes a cylindrical metallic nozzle body having a hollow wall which includes a slit...
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5196154 |
Apparatus for the treatment of metal-laminated plastics scrap
An apparatus for the treatment of metal-laminated plastics scrap and/or radio, television or computer scrap, wherein the scrap is heated in a closed container to a temperature at which the...
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5185031 |
Device and method for skull-melting depth measurement
A method of skull-melting comprises the steps of: a. providing a vessel adapted for a skull-melting process, the vessel having an interior, an underside, and an orifice in connecting the...
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5170839 |
Method for determining and regulating the level of a bath of molten metal
An inert gas flow is introduced into a molten metal bath at a location in a vessel. The absolute pressure of the gas flow through the molten metal other than zero flow is determined. The pressure...
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5151243 |
Metallurgical vessel
There is disclosed a metallurgical vessel, such as a steelworks converter, having a refractory brick lining and a probe opening passing a wall of the vessel for introducing a measuring and/or...
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5139236 |
Melt facility for continuous upcaster
A furnace system particularly adapted for use with a continuous upcaster. Instead of employing discrete furnaces, tundishes, ladles and the like, the instant unitary system employs a furnace, a...
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5096110 |
Control system for vacuum brazing process
This invention is directed to a control system and method of vacuum brazing of aluminum workpieces in a chamber wherein the combination of the partial pressure of water and the partial pressure of...
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5087356 |
Solder dross removal apparatus
An automatic dross removal apparatus (10) is disclosed for removing dross from the surface of a solder bath (22) in an automated electric component handling system. A rotatable wiper blade (14) is...
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5071106 |
Apparatus for the opto-electronic control of a flame cutting machine
Apparatus for the opto-electronic control of a flame cutting machine having photoelectric sensors of different spectral sensitivity. The sensors may be positioned within a cutting torch and...
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