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| Number | Title | Issue Date |
| 6225611 | Microwave lyophilizer having corona discharge control A lyophilizer system is adapted for operation in a first mode or a second mode with microwave assisted drying. The system includes a lyophilizing chamber, including shielding from microwaves. The chamber is connected to a pressure controller for controlli... | 05/01/2001 |
| 5558795 | Module encapsulation by induction heating An induction heating module encapsulation apparatus and method for its use is disclosed. The apparatus comprises a substantially airtight chamber which is composed of ceramic or some other high temperature insulating material in which a cap and a ceramic ... | 09/24/1996 |
| 5516998 | Laser beam machining process and apparatus A laser beam machining process and apparatus, applicable to laser beam perforation and cutting, in which a laser beam is directed onto a wall (4) of a component (6) to be machined from one side of the said wall and emerges on the other side thereof follow... | 05/14/1996 |
| 5510601 | Convection heat transfer apparatus Apparatus for transferring heat between temperature controlled air dispensed from a pair of oscillating ducts and a food product in a cabinet having an interior compartment bounded by front, side and rear walls. A foraminous partition, having a central po... | 04/23/1996 |
| 5478985 | Heat treat furnace with multi-bar high convective gas quench An improved cooling arrangement is disclosed for an industrial heat treat furnace. The furnace includes a closed end cylindrical heat treat chamber in which a plenum plate is suspended adjacent the rear end thereof. The plenum plate has a central underpre... | 12/26/1995 |
| 5463653 | Power converter device for direct current power supply to an electric arc furnace A power converter device for supplying direct current to an electric arc furnace comprises at least one transformer with its primary fed with a three-phase alternating current and delivering to at least one secondary a three-phase current applied to a rec... | 10/31/1995 |
| 5449888 | Microwave vending machine A method and apparatus for vending a hot food product wherein a sealed container is moved from a protective sleeve and deposited in an oven where heat is transferred to the container for initially melting a protective sealing film and then heating the foo... | 09/12/1995 |
| 5449881 | Laser beam machine A laser beam machine is provided for irradiating a laser beam onto a workpiece to cut the same. When cutting a workpiece by irradiating a laser beam thereto, stable and reliable corner cutting is carried out according to a machining condition which provid... | 09/12/1995 |
| 5450055 | Method of making chip resistors A chip resistor is provided which comprises: an electrically insulating substrate chip having a top surface, an opposite pair of end faces, and an opposite pair of side faces; a resistor element formed on the top surface of the chip intermediate the end f... | 09/12/1995 |
| 5448041 | Process for the assembly of at least two parts made from a composite material incorporating a ceramic or vitroceramic matrix reinforced by ceramic fibres A process for assembling at least two parts made from a composite material incorporating a ceramic or vitroceramic matrix reinforced by ceramic fibers. A continuous connection between these parts is achieved by approaching two of the parts along their res... | 09/05/1995 |
| 5448040 | Roller for furnaces, particularly for iron and steel making furnaces for heating slabs or the like A roller for furnaces, is used with a plurality of rollers substantially parallel to each other. The roller is provided with a plurality of annular collars which are side by side and spaced apart. The annular collars are cooled by means of a flow of cooli... | 09/05/1995 |
| 5444732 | Electrode for electroslag remelting and process of producing alloy using the same An object of the present invention is to provide an ingot wherein occurrence is prevented when an electroslag remelting method is used for producing a large ingot and which a super alloy is sensitive to segragation. According to the present invention, the... | 08/22/1995 |
| 5444733 | Electric arc furnace with alternative sources of energy and operating method for such electric furnace Electric arc furnace with alternative sources of energy, which functions with direct current or alternating current and comprises at least one lance (12) to inject pure or combined oxygen above the bath (16) and a plurality of tuyeres (13) positioned in t... | 08/22/1995 |
| 5444734 | Device for lifting and moving the roof of a spray cooled furnace A combination of a spray cooled roof having a central opening, a support member and mast post wherein the roof is provided with an engagement which are detachably engaged to the corresponding engagement affixed to a support arm assembly which extends over... | 08/22/1995 |
| 5442160 | Microwave fiber coating apparatus Apparatus for heating a fiber using microwave energy. The apparatus has a source of microwave energy feeding and applicator. The applicator is configured to concentrate the microwave energy on a chamber holding a fiber. Fibers made or coated using chemica... | 08/15/1995 |
| 5438588 | Direct current-electric arc furnace system The direct current-electric arc furnace system includes a furnace vessel 8, one or more electric arc electrode 7 connected as a cathode, a bottom contact 12 connected as an anode, a furnace transformer 2 and a rectifier assembly 5 for feeding the furnace,... | 08/01/1995 |
| 5434393 | Microwave cooking bag with extension as handling vehicle Microwave cookware of flexible, transparent material displaying an expandable bottom and two opposing walls, one wall containing an aperture, the other opposing wall displaying an extension, the objective being to manually pull the extension through the a... | 07/18/1995 |
| 5434390 | Quick-cookig oven An oven for cooking by hot air impingement includes a housing defining a cooking chamber adapted to receive a food product for cooking, a hot air plenum configured and dimensioned to hold a volume of air and a conduit for providing gaseous communication t... | 07/18/1995 |
| 5432319 | Furnace for heat treatment of dental products in an inert atmosphere A high temperature furnace for heat treatment of various products, and for sintering. One of the uses is for preparing dental products such as dental crowns, bridges, implants and the like. The main component of the furnace is a cup-shaped quartz vessel, ... | 07/11/1995 |
| 5430757 | Method and apparatus for the semi-continuous melting and discharging of ceramic material in an induction melting furnace with sintering crust crucible A method is disclosed for the semi-continuous melting of ceramic material by means of inductive melting in high-frequency and medium-frequency induction melting furnaces whose melting coil surrounds a sintering crust crucible and contains a run-out channe... | 07/04/1995 |
| 5430758 | Magnetic yoke for an induction crucible furnace An induction crucible furnace has a furnace axis and a furnace coil generating magnetic flux. A magnetic yoke for the furnace includes a barlike lamination packet for guiding the magnetic flux. The lamination packet has a middle region and two lateral reg... | 07/04/1995 |
| 5428209 | Microwave-active tape having a cured polyolefin pressure-sensitive adhesive layer A piece of microwave-active tape which is odor-free and physiologically inert can be adhered to a food package and remains strongly adhered during cooking at temperatures of at least 200° C. The tape has layers of microwave-active material and a pressure... | 06/27/1995 |
| 5426663 | Glass melting A glass melting tank provides heat in a melting chamber 11 from pairs of electrodes 26, 27 and 28. A three-phase electrical power supply 34 provides power to the electrode pairs and the voltage supplied for the different phase is independently controlled ... | 06/20/1995 |
| 5426664 | Water cooled copper panel for a furnace and method of manufacturing same A cooling panel for use in drawing off excess heat from and protecting the side walls and roof of a furnace such as an electric arc furnace, the cooling panel being preferably made entirely out of oxygen-free pure copper. The cooling panel is a wall havin... | 06/20/1995 |
| 5425047 | Closed induction furnace with a tilting apparatus An induction furnace with a crucible having a crucible axis, an induction coil and a furnace body containing a gas-tight jacket, and also with a cover which can be placed on the furnace body and has at least one gas connection, a charging valve and a pour... | 06/13/1995 |
| 5425048 | Heating apparatus for induction ladle and vacuum furnaces An induction heating furnace is disclosed comprising an induction coil assembly and a ladle having a metallic shell that supports a crucible holding metal to be heated by the furnace. The ladle is readily separated from the induction coil assembly so that... | 06/13/1995 |
| 5420400 | Combined inductive heating cycle for sequential forming the brazing Multisheet SPF parts with braze joints at selected locations are produced with improved energy efficiency and at lower cost by heating the multisheet pack to its superplastic forming range below the melting point of the braze alloy, superplastically formi... | 05/30/1995 |
| 5418811 | High performance induction melting coil An improved induction melting coil apparatus encapsulated with homogeneous inserts for controlling the direction of inductor flux density is disclosed. The inserts are relatively thick and rigid members which provide a low reluctance path within which the... | 05/23/1995 |
| 5416792 | Preheat system A furnace preheat system uses furnace off-gas to preheat material to be charged into the furnace. In a preferred embodiment of the invention, first and second angularly-spaced preheat vessels are mounted on a rotatable member which rotates them to a posit... | 05/16/1995 |
| 5416795 | Quick change crucible for vacuum melting furnace A crucible assembly for use in induction melting furnaces utilizes an inner crucible formed of partially stabilized zirconia and an outer support member formed of a sintered alumina. The crucibles are in the shape of a cylinder with a closed bottom wall a... | 05/16/1995 |
| 5416793 | Induction melting apparatus sealed against the atmosphere A crucible 1 of an induction melting apparatus has a cover 3 closing the crucible off hermetically and having a connection 5 for attaching the cover to a vacuum source 6. At the bottom the crucible 1 has a prolongation 7 in which a mold 9 is sealingly dis... | 05/16/1995 |
| 5416304 | Microwave-reflective device and method of use A microwave-reflective device and method for enhancing microwave heating of food items. The microwave-reflective device comprises an upstanding, microwave-reflective wall. During cooking, the microwave-reflective device is maintained about the periphery o... | 05/16/1995 |
| 5416796 | Float melting apparatus and method employing axially movable crucibles Apparatus to float and melt particularly small pieces of high-melting point metal continuously while making the amount of meltable liquid metal greater than the capacity of a crucible. A conductive crucible having segments includes an upper cylindrical cr... | 05/16/1995 |
| 5416794 | Induction furnace havng a modular induction coil assembly An induction furnace is disclosed comprising a crucible for holding a material to be heated by the furnace, an induction coil assembly, and a module-support assembly surrounding and radially supporting the induction coil assembly so as to facilitate the r... | 05/16/1995 |
| 5414248 | Grease and moisture absorbing inserts for microwave cooking A novel insert useful in a microwavable food container comprising a metallized layer of heat susceptor thickness or a plastic layer, having openings which are in a position to be adjacent to food in said container, a layer of absorbent material comprising... | 05/09/1995 |
| 5414246 | Apparatus for scaleless induction heating A method and apparatus for carrying out scaleless inductive heating of ferrous parts comprising (i) using an integrated manifold-inductor quenchant device, and while gradually flowing a diluted combustible gas into the spacing between the inductor and par... | 05/09/1995 |
| 5412184 | Industion heating tool A jaw-like cylindrical tool for producing a strong electromagnetic field for causing a Curie point heater to be energized having a curved cross-section that brings the two edges of the jaw-like structure into contact. Closely spaced conductors lie along t... | 05/02/1995 |
| 5410564 | Direct current electric furnace for melting metal According to the present invention, there is provided a direct current electric furnace for melting metal capable of melting scraps rapidly and also capable of diminishing cold and hot spots formed on the furnace wall, wherein the direct current electric ... | 04/25/1995 |
| 5410132 | Superplastic forming using induction heating Apparatus and method for superplastic forming. The workpiece is held between a pair of dies that are electrically and thermally nonconductive, and is heated inductively by a coil embedded within the dies.... | 04/25/1995 |
| 5410133 | Metal matrix composite A metal matrix composite is made by roll consolidating a sandwich formed from alternating layers of a matrix metal, a brazing alloy, and reinforcing fiber at elevated temperature and pressure. If made in a process using mandrels to impart the pressure and... | 04/25/1995 |
