Class 219/651 - Gas environment

Subclass of Class 219 - Electric heating
Definition: Subject matter wherein an atmospheric condition other than
No. of patents: 84
Last issue date: 06/17/2008

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Number	Title	Issue Date
7388177	Mobile induction brazing and quenching machine An induction brazing and quenching apparatus and related method of coupling components together. ...	06/17/2008
7063827	Process for producing hydrogen cyanide A conical reactor head for use in chemical processes or other systems is provided. The reactor head includes a robust internal insulator to boost efficiency while maintaining safety by allowing the reactor head to self-radiate at high temperatures. The reactor head ...	06/20/2006
7038180	Isostat for treating materials and method of removing ceramic material from metal articles using the same The disclosed isostat for treating materials comprises a hermetic container connected to a gas supply means, an induction heater and an open-top working chamber that are arranged therein, the chamber being mounted above the heater and designed for placing the articl...	05/02/2006
7012214	Nanopowder synthesis using pulsed arc discharge and applied magnetic field Nanopowder synthesis systems in which a pulsed magnetic field is applied to electrodes of precursor material, in close proximity to an electrical discharge arc that is formed between the electrodes, to attain increased yields of nanopowder. A magnet insert of a coat...	03/14/2006
6932872	Heating apparatus using induction heating A heating apparatus which is installed in a low pressure CVD system or annealing equipment for use in semiconductor integrated circuit manufacturing processes for heat-treating wafers on which IC's are to be formed, wherein wafers are uniformly heated, the temperatu...	08/23/2005
6933460	Method and device for plasma treatment of moving metal substrates The invention relates to a method of treatment, in particular cleaning and/or heating, for a metal substrate (1) fed in a substantially continuous manner through a vacuum chamber (3), having a treatment zone in which an electric discharge (10), ...	08/23/2005
6910373	Apparatus and methods for repeatable door closure in a plethysmographic measurement chamber Apparatus and methods for generating repeatable closure of a volume measurement chamber are provided. More particularly, in one embodiment of the present invention, a dual articulating hinge is used to affix a chamber door to a volume measurement chamber, providing ...	06/28/2005
6884975	Localized stress relief by induction heating A system and method inductively heats and stress relieves a weld joint area having a stress induced zone. A susceptor assembly is positioned over the stress induced zone. The susceptor assembly includes susceptor sheets manufactured to operate at different, preselec...	04/26/2005
6693263	Convection type brazing apparatus for metal workpieces The invention provides a convection type brazing apparatus for metal workpieces such as aluminum, copper, iron and so forth that enables uniform heating of the metal workpieces to prevent deformation of the workpieces and can shorten a heating time to ach...	02/17/2004
6693264	Vacuum and gas tight enclosure for induction heating system Gastight and vacuum-tight chamber intended to be used in a device for heating a product advancing inside the chamber by electromagnetic induction, characterized in that it comprises a gastight and vacuum-tight sheath made of an electrically insulating, ga...	02/17/2004
6492631	Apparatus for quenching metallic material An apparatus for quenching a metallic material such as steel is provided. The apparatus includes a heating furnace, a liquid metal sodium chamber, a gas cooling chamber, and a liquid metal sodium removal chamber. The heating furnace heats the metallic mat...	12/10/2002
6476367	Auto-bake out system Described is a system designed to warm the transfer chamber used in vacuum equipment in the manufacture of integrated circuits during maintenance. The system detects when the transfer chamber lid is opened and the chamber is exposed to the atmosphere. Thi...	11/05/2002
6476366	Device for degassing and brazing preassembled vacuum interrupters using inductive heating A device for degassing and brazing preassembled vacuum interrupters in only one brazing operation includes a base plate having at least one brazing site which features an opening of the base plate for connecting a suction pump and a bell which covers the ...	11/05/2002
6359267	Induction heating system An induction heating system that can be used to braze metals and that overcomes many of the disadvantages of conventional brazing systems. The induction heating system improves quality and lowers production cost for many brazing requirements. The system i...	03/19/2002
6344638	Method for the disinfection of medical waste in a continuous manner A method of processing medical waste which includes the steps of continuously feeding medical waste into a tube and heating the medical waste passing through the tube with electromagnetic radiation so as to heat and disinfect the medical waste....	02/05/2002
6289033	Environmentally controlled induction heating system for heat treating metal billets An environmentally controlled heating system for heating metal alloy billets wherein a trolley system carries the billets through the chambers of the induction heating system in crucibles that are pushed or pulled by actuators. The billets enter the syste...	09/11/2001
6288376	Method and apparatus for melting a bump by induction heating According to a method of melting a bump improved to omit processes of flux application, reflow, cleaning and drying, a bump formed on a substrate is heated and melted by electromagnetic induction using an induction heating coil in ambient of low oxygen co...	09/11/2001
6083329	Gas shielding apparatus and gas shielding method A gas shielding apparatus comprising a main gas jacket having induction heating means, and front gas jacket and rear gas jacket integrally disposed at supply side and discharge side of a member to be bonded or a member to be heated of the main gas jacket,...	07/04/2000
6013905	Magnetic vacuum oven with safe door access to air gap A magnetic vacuum oven mounted in a two piece steel magnet core. The two sections of the magnet slide apart on rails to provide easy access to the interior of the machine for maintenance and repair. The magnet core includes a "safe door" that is mounted o...	01/11/2000
6005233	Pressure relief system for inductively heated heat retentive server A heat retentive server, comprising a central portion comprising a heat storage member formed of a material which is preferably susceptible to being heated by induction, is provided with one or more valves which are normally in closed positions, and are c...	12/21/1999
5958273	Induction heated reactor apparatus An improved induction heated reactor apparatus involving a reaction zone with inlet and outlet and containing an array of electrically conductive catalyst entities (susceptor entities) comprising pellets, rings, or rods containing a core externally coated...	09/28/1999
5923699	Induction furnance heating module and gas zone A heating module for use in steel processing is provided. The module includes one or more gas heating zones and one or more induction heating coils intermixed among the gas heating zones. The modules are used to heat steel slabs to a consistent temperatur...	07/13/1999
5895599	Induction heating device and continuous treatment installation including same A device for induction heating a continuously moving metal product in a protective atmosphere includes an induction system. A non-metallic and gas-tight enclosure is disposed around the moving product, between the product and the induction system. Uses in...	04/20/1999
5848093	Fiber-drawing furnace for drawing down an optical-fiber preform into an optical fiber The fiber-drawing furnace includes a graphite tube positioned vertically, heated by induction, and subjected internally to an inert atmosphere, said tube internally defining a fiber-drawing chamber. In the furnace said graphite tube is a double-walled tub...	12/08/1998
5777299	Induction generator to heat metallic pipes with a continuous process under a controlled atmosphere An induction heating generator is described for braze-welding metallic pipes with a continuous process under a controlled atmosphere, comprising at least one heating inductor composed of two half-inductors in series whose winding directions for their wind...	07/07/1998
5760378	Method of inductive bonding sintered compacts of heavy alloys A method of bonding two or more sintered compacts of tungsten heavy alloys. The method includes the steps of providing two or more sintered compacts of tungsten heavy alloy powder and then positioning the sintered compacts in adjacent alignment in a furna...	06/02/1998
5753894	Hot rolling method for continuously joining metal blocks and an apparatus for the same The invention comprises a continuous hot rolling method in which a rear end portion of a preceding metal block and a fore end portion of a succeeding metal block are cut and the metal blocks are joined to each other by heating and pressing followed by a f...	05/19/1998
5643485	Cooking utensil with improved heat retention A cooking utensil with improved heat retention includes an inner pot received within an outer pot and separated in a closely spaced-apart relationship to form a volume or chamber therebetween. The chamber is evacuated and sealed with foil leaves at the up...	07/01/1997
5641423	Radio frequency heating apparatus for rendering medical materials Infectious medical materials is rendered innocuous by heating heterogeneous medical materials having wet and dry portions with a radio frequency electric field. The medical materials are exposed to the radio frequency electric field in order to heat the m...	06/24/1997
5616267	High-temperature roll mill A roll mill having a pair of thick, solid, heated rollers made of refractory material to heat materials to be mixed therebetween to a temperature in the range of approximately 500 degrees C. to 4000 degrees C....	04/01/1997
5573689	Fluidized bed reactor for preparing metal nitride In a fluidized bed reactor for preparing a metal nitride by feeding metal powder and a non-oxidizing gas containing N2 or NH3 into a reaction tube (1) to form a fluidized bed (2) therein and heating the fluidized bed for nitriding th...	11/12/1996
5554836	Induction heating in low oxygen-containing atmosphere Apparatus and method of induction heating wherein the heating operation is conducted in a low oxygen-containing atmosphere by the introduction of an inert gas alone or in combination with an oxygen-reacting gas through the ends of the induction coil housi...	09/10/1996
5517004	Process and apparatus for removing contaminations from bulk material A method for removing one or more contaminations from a bulk material, the bulk material being fed into a treating chamber (1), exposed therein to a temperature treatment and then discharged. According to the invention, the bulk material is exposed to a v...	05/14/1996
5477034	Method and apparatus for bonding PDC blanks The present system is directed to both a method and apparatus for manufacture of teeth for use in drill bits. The desired tooth is formed by a hard carbide, a protective disc placed on the end of the support, the joinder being accomplished by a braze meta...	12/19/1995
5452843	Method of brazing a composite bit using direct cooling means The present system is directed to both a method and apparatus for manufacture of teeth for use in drill bits. The desired tooth is formed by a hard carbide, a protective disc placed on the end of the support, the joinder being accomplished by a braze meta...	09/26/1995
5444221	High-frequency induction heating apparatus for rocker arms Disclosed is a high-frequency heating apparatus including an elongated chamber in which a plurality of rocker arms are introduced, each of the rocker arms being attached with a chip and brazing filler such as a copper wax, a high-frequency brazing coil fo...	08/22/1995
5412185	Induction heating of polymer matrix composites in an autoclave Induction heating is utilized to heat polymer matrix composites containing electrically conductive fibers. This is accomplished with an apparatus having a mandrel for supporting a composite workpiece and a helical induction coil disposed around the mandre...	05/02/1995
5357085	Induction heating of polymer matrix composite fiber strands Induction heating is utilized to heat polymer matrix composite fiber strands containing electrically conductive fibers. This is accomplished with an apparatus having a helical induction coil and a matching helical guide tube situated adjacent to the induc...	10/18/1994
5308947	Iridium fiber draw induction furnace An induction furnace for reflowing a portion of an optical preform in order to draw a lightguide fiber therefrom. The furnace has an axially located tubular iridium susceptor which is centrally disposed within a beaker and a sleeve is positioned concentri...	05/03/1994
5294766	Structure for high-temperature mill rolling of compounds A mill roll having a pair of thick-walled refractory rollers, some having chambers therein the rollers to be heated to incandescent temperatures is disclosed....	03/15/1994

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Class 219/651 - Gas environment