Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 451 - 500 out of 8,784

Document Document Title
WO/2002/054831A2
An induction furnace system has an active induction coil surrounding a crucible. A passive induction coil also surrounds the crucible. The passive induction coil is connected in parallel with a capacitor to form an L-C tank circuit. A so...  
WO/2002/045516A2
RF energy provided by electrodes (15,20a,20b) positioned between a product (34) in a conveyor oven (10) is used to heat a product (34) that exhibits a variable impedance during the heating process. As the product's impedance changes duri...  
WO/2002/042702A1
A cylindrical furnace, comprising vertically separable multi-stages of insulating furnace walls and heating elements each installed on the inner surface of the insulating furnace wall at each stage, wherein a step is provided at the conn...  
WO/2002/041370A2
A resistive heater comprising a doped ceramic heating element embedded either partially or completely within a matrix of undoped ceramic material. The ceramic may be silicon carbide, and the dopant may be nitrogen. Many of the advantages...  
WO2001099473A3
An induction-heated furnace is disclosed. The furnace comprises a shell lined with refractory material and has walls and a floor. At least one induction heater is located in the floor of the furnace, the induction heater communicating wi...  
WO2001091940A9
A container system (10A) including a vessel (20A) for holding a thixotropic semi-solid aluminum alloy slurry during its processing as a billet (60A) and an ejection system for cleanly discharging the processed thixotropic semi-solid alum...  
WO/2002/029321A1
One or more auxiliary plasma torches (20) are provided to a waste processing plant at strategic locations within the chamber (10) and directed towards the waste column. When a bridge (A) forms within the chamber the auxiliary plasma torc...  
WO/2002/029322A2
A plurality of fluxing agent inlets (320) are provided at the lower part of a waste processing chamber (10) to enable the direct application of fluxing agents to deposited 'unprocessed solids' and/or to liquid products of high viscosity ...  
WO/2002/000407A1
The invention relates to a device for heating a meltable material, such as plastic, before it enters a processing installation, such as a casting or extrusion installation. The inventive device comprises a conveying channel (1) for the m...  
WO/2001/099473A2
An induction-heated furnace is disclosed. The furnace comprises a shell lined with refractory material and has walls and a floor. At least one induction heater is located in the floor of the furnace, the induction heater communicating wi...  
WO/2001/091940A1
A container system (10A) including a vessel (20A) for holding a thixotropic semi-solid aluminum alloy slurry during its processing as a billet (60A) and an ejection system for cleanly discharging the processed thixotropic semi-solid alum...  
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...  
WO1997005438A3
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/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/2000/061823A1
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/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...  
WO1999066094A3
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/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...  
WO1999059394A3
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...  
WO1999051065A3
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/1999/066094A2
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/1999/030857A1
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/1999/027141A1
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...  

Matches 451 - 500 out of 8,784