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6385230 |
Homogeneous electrode of a reactive metal alloy for vacuum arc remelting and a method for making the same from a plurality of induction melted charges
A homogeneous electrode of reactive metal alloy comprises an ingot with an axially disposed core made from one induction melted heat of the reactive metal alloy and having a diameter “d” and a len...
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5914979 |
Rotating-translational drive mechanism for positioning devices in a melter
An apparatus for providing three dimensional positioning to the ends of one or more translating elements which are normally restricted to translation along the longitudinal axes of the elements. A...
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5533043 |
Installation for producing liquid metal by melting scrap iron
An installation for the production of liquid metal by melting a charge of ferrous material, comprising at least one electric melting furnace consisting of a chamber closed by a removable roof and...
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5514349 |
A system for making nonstructured materials
A method and system for synthesizing nanocrystalline material. A system includes a chamber, a nonconsumable cathode shielded against chemical reaction by a working gas not including an oxidizing...
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5153895 |
Nonconsumable, water-cooled electrode for electric metal smelting device
A nonconsumable water-cooled electrode for electric metal smelting furnaces which includes inner and outer concentric steel tubes defining an annular space therebetween through which cooling water...
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4737247 |
Inert anode stable cathode assembly
This invention includes apparatus and method for providing a support mechanism for electrode assemblies including positioning spacer of electrically nonconductive material having an inside surface...
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4732369 |
Arc apparatus for producing ultrafine particles
An apparatus for producing ultrafine particles by arc energy characterized by disposing an electrode inclinedly as to a base material so as to generate a magnetic blow to arc, disposing a suction...
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4675878 |
Method and device for the melting and heating of materials
A direct current arc furnace has at least one anode movable into the furnace interior and at least one cathode also movable from above into the furnace interior, between which cathode and the...
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4672628 |
Assembly for the automatic cooling water connection to water-cooled combination electrodes for electric arc furnaces
An automatic facility for the connection of combination arc electrodes to a cooling water circuit, comprising a cooling water coupling device (17) mounted on the supporting arm (3) of the...
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4601042 |
Electric arc furnaces
This invention concerns apparatus for selectively connecting an electrode of an electric arc furnace to a source of cooling fluid. The apparatus includes a coupling having passageways extending...
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4513425 |
Composite electrode for arc furnace
A composite water-cooled electrode for electric arc steel furnaces comprises a tubular graphite body held in compression by means of tension stressed internal water supply pipe located between a...
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4509178 |
Arrangement of an electrode for electric arc furnaces
An electrode for electric arc furnaces, comprising an upper, metallic, water-cooled section and a lower section of consumable material, such as graphite, is held in its given position by means of...
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4434494 |
Contact electrode for melting and heating furnaces with DC plasma heating
The invention relates to a contact electrode for melting and heating furnaces with DC plasma heating wherein the flow body assures a uniform removal of heat over the entire end surface of the...
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4308177 |
Use of chloro-hydrocarbons to produce high density electrodes
Chloro-hydrocarbons are used as pitch binder modifiers to improve the strength, density and electrical properties of carbon and graphite articles produced from carbonaceous particles, binders, and...
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4227031 |
Nonconsumable electrode for melting metals and alloys
A nonconsumable electrode comprises a hollow cylindrical body, a hollow detachable tip made in the form of a body of revolution coaxial with the hollow cylindrical body, a solenoid for generating a...
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3975184 |
Method and apparatus for production of high quality powders
An electric arc which is struck between an electrode and the surface of a pool of molten material rotates under the influence of a magnetic field to thereby free liquid particles from the surface...
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3865174 |
Method for the nonconsumable electrode melting of reactive metals
A method for vacuum arc melting of reactive metals and alloys thereof, particularly titanium and alloys thereof, wherein apparatus is provided to permit arc melting in a mold having a nonoxidizing...
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3783170 |
ELECTRIC ARC FURNACE APPARATUS HAVING A SHAPED MAGNETIC FIELD FOR INCREASING THE UTILIZED AREA OF THE ARCING SURFACE OF AN ELECTRODE AND IMPROVING THE HEATING EFFICIENCY
The unit heat flux to a fluid-cooled electrode and the heat flux to the material being heated by a diffused arc column operating at a given electric current level are controlled by a magnetic field...
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3769441 |
ARC ELECTRODE WITH DEFORMABLE DIFFUSER
An arc electrode with a deformable coolant fluid diffuser. The diffuser has a generally cylindrical shape with an involute tip end and a plurality of projections extending from the outer surface....
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3736358 |
PROCESS FOR IRON ORE REDUCTION AND ELECTRIC FURNACE FOR IRON ORE REDUCTION HAVING AT LEAST ONE NONCONSUMABLE ELECTRODE
Furnace apparatus for iron ore reduction comprises a furnace having a wall composed of refractory material and non-consumable electrode apparatus having at least one axially extending passageway...
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3715440 |
ELECTRIC ARC STABILIZATION IN ELECTRIC ARC MELTING USING CARBON ELECTRODES
Arc furnace electrodes consist of an outer shell of carbon and an inner core consisting of a carbonaceous filler, a promoter material, e.g., an alkali metal oxide, carbonate or halide, and a...
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3702894 |
PROCESS AND INSTRUMENT FOR MEASURING THE LENGTH OF A HOLLOW ELECTRODE IN AN ELECTROTHERMAL MELTING FURNACE
The length of a hollow electrode in an electrothermal melting furnace is determine. To this end, dusty burden is introduced into the furnace by conveying the burden with the use of an auxiliary gas...
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3680163 |
NON-CONSUMABLE ELECTRODE VACUUM ARC FURNACES FOR STEEL, ZIRCONIUM, TITANIUM AND OTHER METALS AND PROCESSES FOR WORKING SAID METALS
Degassing apparatus similar to that employed in the D-H process includes means for producing an electric arc of controllable power within the vacuum degassing chamber during the degassing operation...
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3651238 |
ARC FURNACE ELECTRODE WHEEL MOUNTING SYSTEM
An arc furnace having a rotating electrode wheel which is pivotably and extendably mounted to permit arc formation in any desired area of the melt. Preferably, the electrode wheel mounting...
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3651239 |
POINT COOLED ROTATING WHEEL ELECTRODE
An improved coolant distribution system for a rotating non-consumable electrode wheel in an arc melting furnace. A rotating tubular drive shaft suspends the electrode wheel above the melt surface...
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3649733 |
CENTRIFUGALLY CLEANED ARC FURNACE ELECTRODE WHEEL
An arc furnace having an electrode wheel which is rotated at a sufficient speed to prevent vaporized or sputtered melt material from adhering thereto. The rotational speed of the electrode wheel...
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3610796 |
FLUID-COOLED ELECTRODES HAVING PERMANENT MAGNETS TO DRIVE THE ARC THEREFROM AND ARC HEATER APPARATUS EMPLOYING THE SAME
An electrode has a tip forming an arcing surface, the tip being hollow, preferably generally annular in shape and preferably generally U-shaped in cross section. Disposed within the tip is...
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3585269 |
PROCESS OF OPERATING A HOLLOW ELECTRODE FOR USE IN CLOSED, ELECTROTHERMAL REDUCTION FURNACES
Operation of a hollow electrode for use in closed electrothermal reduction furnaces by flowing solid raw material therethrough using a stream of gas, and delivering the raw material to the furnace....
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3580977 |
QUICK-CHANGE FIELD COIL ASSEMBLY FOR USE IN AN ELECTRODE HAVING A FLUID-COOLED ARCING SURFACE
An electrode has a detachable tip secured to a supporting column. The column includes fluid-channeling and electrically conducting tubes, electrically insulated from each other, extending at least...
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3575544 |
ELECTRIC ARC HEATING AND MELTING
A nonconsumable electrode having a supporting structure for a fluid cooled tip forming an arcing surface, having a magnetic field coil therein for setting up a magnetic field at the arcing surface...
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3549943 |
ROTATING ELECTRODE AND GAS ARC HEATER EMPLOYING THE SAME
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3542930 |
ELECTRIC ARC HEATING UNIT WITH ELECTRODE MATRIX
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3530223 |
ELECTRODE APPARATUS FOR USE IN AN ARC ELECTRODE FURNACE AND MAGNETIC FIELD COILS FOR MOVING AND FOCUSING THE ARCS THEREFROM
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3516476 |
ELECTRODE AND METHOD OF IMPROVING SOUNDNESS OF INGOTS
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3505460 |
ELECTRIC ARC VACUUM FURNACE EMPLOYING NONCONSUMABLE ELECTRODE
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3708279 |
PROCESS OF REFINING METAL IN A VACUUM WITH COAXIALLY MOUNTED NON-CONSUMABLE ELECTRODES
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3561029 |
NONCONSUMABLE ELECTRODE FOR ELECTRIC ARC HEATING AND MELTING AND METHODS
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3556771 |
PROCESSES FOR PRODUCING STEEL
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3480717 |
ARC FURNACE ELECTRODE ASSEMBLY
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3476861 |
INSULATING NONCONSUMABLE ARC ELECTRODE
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3476586 |
METHOD OF COATING CARBON BODIES AND THE RESULTING PRODUCTS
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3461214 |
ARC WHEEL ELECTRODE
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3446902 |
ELECTRODE HAVING OXYGEN JETS TO ENHANCE PERFORMANCE AND ARC STARTING AND STABILIZING MEANS
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3420939 |
ARC FURNACE ELECTRODE STRUCTURE
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3398229 |
Nonconsumable arc electrode
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3395239 |
Arc furnace electrode magnetic circuit forming structure for use therein
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3395240 |
Fluid cooled arc electrode having means for utilizing the current which produces and sustains the arc to generate a magnetic field which continuously moves the arc in a csed path
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3389209 |
Electrode fuse protector
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3385987 |
Electrode for an arc furnace having a fluid cooled arcing surface and a continuouslymoving arc thereon
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3378621 |
Electrode tip failure detector
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