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Matches 451 - 500 out of 6,301

Document Document Title
WO/2001/061260A1
The present invention is for a method for heating of blanks and other heating of metallic materials in a furnace before working where heat is transferred to a blank in the furnace by radiation. According to the method of the invention an...  
WO/2001/047656A1
The invention concerns a novel smelting furnace for molding, comprising a nozzle for charging which connects with a liquid metal storage tank, an outlet nozzle starting at said tank and leading to a taphole of the molds, wherein an addit...  
WO/2001/037619A1
To re-ignite efficiently an arc-furnace arc extending between an electrode and a material to be melt, a second energy supply is provided to maintain a plasma link between the electrode and the melting material when the arc-furnace arc is...  
WO/2001/035701A1
An induction melting system (78) uses a crucible (50) formed from a material that has a high electrical resistivity or high magnetic permeability and one or more inductor coils (52) formed from a wound cable consisting of multiple indivi...  
WO/2001/031976A1
An ultraviolet (UV) oven (2) comprises a compact longitudinal elliptical reflector (4) with first and second focal lines. A longitudinal small-diameter bulb (6) is disposed along the first focal line that generates short wavelength UV, i...  
WO/2001/014603A1
The invention relates to an annealing plant for annealing metal strands (14) which comprises a plurality of contact disks (24, 26, 32). The invention further relates to a method for producing stress-free metal strands (14).  
WO2000061823B1
In order to impede entrainment or trailing of molten slag (1) while tapping molten metal (2) from a metallurgical vessel (5) having a tap hole (1) in the bottom (13) of said vessel, the molten slag (1) is blown away from the surface of t...  
WO/2001/006537A1
An apparatus for limiting interaction of electron beams produced by adjacent electron beam guns (54) mounted within a vacuum chamber (12) of a furnace (10). The apparatus includes suspending one or more barriers (76, 68) within the vacuu...  
WO/2000/078684A1
A method of heat treatment of glass materials and natural materials specifically of volcanic origin according to which the treated material is exposed to microwave radiation at a frequency range from 1 MHz to 10 GHz and temperature range...  
WO/2000/076275A1
The aim of the invention is to improve the cooling of the bottom electrodes (1) of metallurgical melting vessels. To this end, a cooling plate (5) is situated beneath the support plate (2) on which the contact elements (3) are supported....  
WO/2000/062333A1
A heating and cooling device for a substrate (14), comprising an electric heating resistor(16) which is integrated into notches (18) in the plate (12) with an inner covering (22) exhibiting good thermal conductivity placed therebetween. ...  
WO/2000/060297A1
The invention relates to a metallurgical vessel (1) comprising a tapping device (5) for the slag-free extraction of molten metal (3) from a molten metal bath (3) located in said vessel (1). According to the invention, a first limb (11) o...  
WO/2000/058048A1
A substrate heating apparatus having a chamber (34), a device for adding gas into the chamber and a substrate heater is provided. The substrate heater is located within the chamber and includes a first plate (54) having a bottom surface....  
WO/2000/050667A1
Disclosed is a device for treating electroconductive endless material (3) such as wire, especially copper wire. The inventive devices treats said material during the movement of the endless material and in the extension direction thereof...  
WO/2000/051400A1
The invention concerns an installation for treating by heat-induction a metal material in a vessel, comprising: a first winding (5) including, in series, at least a first coil (51) of at least one turn and at least a second coil (52) of ...  
WO/2000/048770A1
The invention relates to a crucible induction furnace for producing cast parts consisting of aluminium and magnesium alloys, especially particle-reinforced alloys. According to the invention, the material being melted is directly, induct...  
WO/2000/037371A1
A method and furnace for heating a glass sheet by lower electric resistance elements (50) supported by a furnace housing (12) below a roll conveyor (40) and by supplying a gas burner heated hot gas flow from a forced convection heater (5...  
WO/2000/029799A1
A dual resistive heater system includes a base or primary heater (120A), surrounded by a peripheral or edge heater (120B). Both resistive heaters deliver heat to a heated block, and the heaters and heated block are substantially enclosed...  
WO/2000/020815A1
The invention concerns a method for feeding fines or granules into a light-arc furnace (10) which consists in using a hollow electrode (24) provided with a feeding channel (38), preferably a hollow Söderberg electrode. A conveyor (40) i...  
WO/2000/020111A1
Fluidized bed reactors having centrally positioned heating means, as well as methods for their use, are provided. The subject reactors (10) comprise a centrally positioned heating means (e.g. a susceptor rod (12)) that, during operation,...  
WO/2000/020650A1
The aim of the invention is to increase the productivity of a direct-current arc furnace for producing steel while decreasing the stresses incurred by the furnace. To this end, at least two electrodes (7a, b) which are inserted from abov...  
WO/2000/017404A1
The invention relates to a method for producing directly reduced metal in a multi-tiered furnace, whereby metal oxides and a reducing agent are inserted into the furnace and the process heat required for the reduction of the metal oxides...  
WO/2000/004197A1
Apparatus for a metal reduction and melting process is disclosed, in which a metal and carbon containing burden (15) is heated in an induction furnace (10) comprising a heating vessel (11) in which the burden (15) can float in at least o...  
WO/1999/066094A2
A heating system (20) for heat treating a continuous sheet-like material (50) includes an input end (10) and an output end (30) and a path defined therebetween that extends between the input and output ends for the material to be treated...  
WO/1999/061857A1
The invention relates to a tiltable light-arc furnace in which a furnace casing (2) and a portal (4) for an electrode lifting and pivoting device are positioned on a platform (1 and 3) of a weighing machine which can be tilted by means o...  
WO/1999/059394A2
A pipe stand heater system (20) for heating an instrument (M) within an enclosure (30) supported by a pipe stand. The heater system includes a housing mounted to the pipe stand and a heater unit in the housing. A bracket (34) is provided...  
WO/1999/051065A2
The invention relates to a bottom for a metallurgical vessel with a direct current electric arc device, whereby the cathode of said device protrudes into the vessel and at least one anode is placed in the fire-resistant lining of said bo...  
WO/1999/049701A1
An induction furnace includes material between the crucible and the coil to enable easy removal when the crucible needs to be replaced. The material is made up of a slip plane material and reinforcement, and preferably comprises a lamina...  
WO1999030857A9
Specialty metals and alloys are melted in a crucible (10) typically holding no more than about 100 lbs. of metal and disposed in a furnace (2) filled with an inert gas and subjected to a vacuum in the range of about 5 % to 32 % of atmosp...  
WO/1999/045745A1
Systems and methods that make it possible to rapidly cycle a workpiece (12) through a temperature/time profile over a wide temperature range, e.g., 0 °C to 350 °C, without having to lift and transfer the workpiece between separate baki...  
WO/1999/041951A1
The present invention relates to a method as well as to an induction furnace for continuously melting a metallic or metal-containing bulk material in the shape of small pieces. The metallic bulk material is supplied from the top onto the...  
WO/1999/027141A1
The invention relates to a smelting furnace to smelt metals, especially steel scrap. The inventive furnace consists of a lower receptacle with a tap hole in the bottom and an upper receptacle which can be closed by a lid. A central pipe ...  
WO/1998/059527A1
A substrate heating apparatus having a housing forming a substrate receiving chamber and a heater (24) located inside the chamber. The heater has a thin film flat ribbon heater element (38) sandwiched between two glass-ceramic panels (36...  
WO/1998/053642A1
The invention concerns an induction heating device to raise the temperature of metals for melting or hot machining while considerably saving energy, increasing yield and observing current safety standards. Said device (10) comprises at l...  
WO/1998/051127A1
The present invention involves coatings deposited on a substrate including a layer having a selected resistivity. The resistive layer can serve as a heat source in a variety of applications and can be fabricated using an arc plasma spray...  
WO/1998/046954A1
The present invention relates to a method and a furnace for electric calcining of carbonaceous material for the production of graphite or graphite-containing material. Carbonaceous materials supplied to the top of a vertically arranged f...  
WO/1998/045654A1
A process for the preparation of ceramic articles having a thickness of at least about 2.5 cm, which comprises: a) selecting the ceramic composition from the group consisting of silicate material, metal oxides, nitrides and carbides, and...  
WO/1998/042164A1
The invention relates to a method for regulating or controlling a fusion process in a three-phase current arc furnace with at least three individual electrodes, which are independent of one another and have an adjustable height. At least...  
WO/1998/039610A1
A vertically oriented thermal processor (10) for processing batches of semiconductor wafers (14) held within a processing chamber (16). The processing chamber is contained within a processing vessel (18 and 168). A furnace liner (82) sur...  
WO/1998/028660A1
A description is given of a furnace (1) for Rapid Thermal Processing of a wafer (7), in which furnace the wafer (7) is heated by lamps (9), and the heat radiation is reflected by an optical switching device (15, 17) which is in the refle...  
WO/1998/026245A1
An arc furnace which includes a shell with a hearth, a roof for the shell, the roof including a plurality of segments (10, 11) which are substantially electrically isolated from each other and from the shell, an electrode (12) and a refr...  
WO/1998/019500A1
An electric furnace assembly is disclosed. The assembly comprises an elongated metallic resistor element (4) which is supported adjacent to a furnace wall (1). The resistor element is bent back and forth in its longitudinal direction and...  
WO/1998/009481A1
A novel apparatus for providing three-dimensional positioning to the ends of a translating element which is normally restricted to translation along the element axis. A cartridge assembly formed from a cylindrically shaped ceramic holds ...  
WO/1998/005185A1
An insulating material melting furnace including a cooled crucible (10) with a continuous metal side wall, a sectored cooled floor (12), and at least one field magnet (28) arranged under the floor and forming the only heating means. The ...  
WO/1997/049266A1
Slag from a pool of molten slag (34) floating on molten metal in a plasma arc treatment chamber (36) is removed by providing a slag container (38) located inside the chamber which has a slag intake pipe (40) extending from a bottom of th...  
WO/1997/028409A1
An electric furnace comprising a heating element formed of lanthanum chromite based hollow ceramics and opened at both ends thereof and having such terminal portions that a cross-sectional area of the ceramics at surfaces of both ends th...  
WO/1997/026219A1
Apparatus suitable for vitrifying nuclear waste comprises a tunable microwave cavity (10) connected by a first wave guide (16) to a source of microwave energy (18); cooling coils (12) for cooling the exterior of the cavity; a hopper (14)...  
WO/1997/017583A1
Power control of the heating process in a three-phase connected electric furnace by dividing the process into intervals and controlling the average power during these intervals. The power generation in a respective phase is separately co...  
WO/1997/005438A2
The invention concerns an arc furnace, in particular a d.c. arc furnace, comprising a vessel and a cover which lies thereon and has an opening for at least one electrode provided with a movement unit for vertical displacement. According ...  
WO/1996/024441A2
The present invention provides a relatively compact self-powered, tunable waste conversion system and apparatus which has the advantage of highly robust operation which provides complete or substantially complete conversion of a wide ran...  

Matches 451 - 500 out of 6,301