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| Number | Title | Issue Date |
| 7339143 | Expanding system using plasma discharge The present invention relates to an expansion system using a plasma discharge in which in which a charged electric energy is fast discharged, so that a high pressure is generated within liquid based on an impact wave, which can be used in various industrial fields a... | 03/04/2008 |
| 6399929 | Induction heater comprising a coil/capacitor bank combination including a translatable coil assembly for movement on and off a continuous strip A coil/capacitor combination useable as an induction furnace includes a reactive capacitor bank directly bolted to the coil and protected from coil fields by shields and heat sink plates. The coil includes a selectively openable switch for placing the coi... | 06/04/2002 |
| 5872352 | Swingable induction heating chamber for melting ingot for metal casting A heating machine for heating an ingot of a metal such as a magnesium alloy. The heating machine has a heating chamber equipped with a RF induction coil capable of swinging about a horizontally axis. The coil is placed horizontally, and the metal ingot is... | 02/16/1999 |
| 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 |
| 5396050 | Method of joining steel sheet bars and a joining apparatus This invention rapidly and surely joins sheet bars to each other for continuously hot rolling in a high productivity by a combination of a treatment that the front end portion and the back end portion of these sheet bars are contacted and heated at such a... | 03/07/1995 |
| 5245148 | Apparatus for and method of heating thick metal slabs This relates to the heating of thick slabs for rolling and like purposes wherein there is a complete penetration of the slab by induced electrical energy wherein the starting current frequency is very low and wherein a maximum heating is obtained by incre... | 09/14/1993 |
| 5157233 | Electromagnetic induction heater for heating a continuous thin sheet without undulation In an electromagnetic induction heater for use in heating a strip by electromagnetic induction between a pair of magnetic-pole elements, a plurality of guide rollers are arranged between the magnetic-pole elements to guide the strip. The strip may be guid... | 10/20/1992 |
| 5144108 | Kiln for producing litharge by means of the calcination of massicot The kiln (1) for producing litharge has a thermally insulated tubular body (2) containing, throughout its length, a shaft (30) with paddles acting as an auger. The tubular body (2) is coaxial with an induction coil (11), which heats it. The raw material i... | 09/01/1992 |
| 5036170 | Method for cleaning ferromagnetic chip from a lubricant-coolant and an apparatus for carrying out the method In a method and apparatus for cleaning ferromagnetic chip from a lubricant-coolant the chip is heated, held at a preset temperature, and acted upon by a rotating electromagnetic field within a temperature range from 105° C. to 310° C.... | 07/30/1991 |
| 4859823 | Electric induction heater In an electric induction furnace for heating a bar-shaped workpiece, wherein the workpiece has a longitudinal axis and is conveyed through the furnace in a conveying direction orthogonal to the longitudinal axis, an induction coil comprises a continuous c... | 08/22/1989 |
| 4816228 | Apparatus for melting waste A waste melting apparatus includes a waste melting vessel placed in a furnace body made of nonmetallic material and an induction heating coil is provided around the furnace body. The waste melting vessel is made of conductive ceramic material such as C-Si... | 03/28/1989 |
| 4721836 | Apparatus for transient annealing of semiconductor samples in a controlled ambient An improved apparatus for annealing an ion-implanted semiconductor sample duces the deleterious side effects otherwise associated with the process. A semiconductor sample, fabricated, for example, from indium phosphide or gallium arsenide, is set upon the... | 01/26/1988 |
| 4577081 | Heating nonmagnetic metal workpieces Method and apparatus for heating a billet of nonmagnetic metal material to forging temperature by first preheating the billet in a high efficiency slot-type electric radiant heat furnace to a preheat temperature a substantial level below the forging tempe... | 03/18/1986 |
| 4547645 | Material handling method and apparatus therefor A method and apparatus for processing of workpieces comprising the steps of continuously transferring the workpieces to and fro among a plurality of rotating members, wherein each member carries a plurality of sets of work stations. Workpieces, such as pr... | 10/15/1985 |
| 4542267 | Automated closure system for nuclear reactor fuel assemblies A welder for automated closure of fuel pins by a pulsed magnetic process in which the open end of a length of cladding is positioned within a complementary tube surrounded by a pulsed magnetic welder. Seals are provided at each end of the tube, which can ... | 09/17/1985 |
| 4503308 | Apparatus for preparing rod stock for forging in manufacture of sucker rods Straightened rods are withdrawn singly from a table by a carousel apparatus and advanced against a stop which is then withdrawn. Solenoid-coil induction-heating apparatus then raises the end of the rod to forging temperature and retains it at such tempera... | 03/05/1985 |
| 4481398 | Multi-directional oscillating breakoff mechanism for separating billets A conveyor for removing billets from an induction heating furnace and for separating them from following billets to which they may have become adhered employs a roller having a contoured surface. The roller is rotatably mounted about an axis skewed relati... | 11/06/1984 |
| 4332997 | Apparatus for delivery of valves and melting rings to an inductor heater for hard facing An apparatus for delivering valves and melting rings for internal combustion engines to an inductor heater for hard facing comprises a tubular body which is adjoined by gravity feed trays, for feeding the work valves and rings to be melted respectively. A... | 06/01/1982 |
| 4292486 | Apparatus for delivery of melting rings and valves to an inductor heater An apparatus for delivery of melting rings and valves to an inductor heater, for hard facing of valves for internal combustion engines by melting rings of heat-resistant alloy upon the working surfaces of valves, comprises gravity feed trays, one for feed... | 09/29/1981 |
| 4289944 | Apparatus for reheating, storing and conveying cast bars The invention relates to a method of reheating, storing and conveying metal bars or rounds cast by continuous casting processes whereby uniform bar temperature is achieved, lengthwise and cross sectionally, prior to rolling, cutting and other secondary op... | 09/15/1981 |
| 4214139 | Apparatus for surfacing internal combustion engines valves An apparatus for surfacing valves by fusing in a high-frequency current field refractory alloy rings applied to the seating surfaces of the valves. The apparatus comprises a tubular body provided with chutes adjoining thereto. The chutes are adapted respe... | 07/22/1980 |
| 4195213 | Feeding mechanism for induction heating coil Feeding means for successively advancing elongated workpieces step-by-step, through the central workpiece receiving passage in a multiturn induction heating coil with a workpiece supporting slide track extending therethrough, has an elongated workpiece pu... | 03/25/1980 |
| 4144432 | Apparatus for surfacing valves for internal combustion engines Surfacing is realized by fusing refractory alloy rings on the effective areas of valves. The apparatus comprises: a heater, a valve clamping device and a manipulator adapted to receive and to convey a valve with a ring on the stem thereof to the heater zo... | 03/13/1979 |
| 4079222 | Continuous heating induction furnace A continuous heating induction furnace in which workpieces are mounted on a receiver for step-wise movement from a furnace inlet to outlet through a longitudinally extending chamber. A pair of lifter rods extend through bores at the chamber floor to engag... | 03/14/1978 |
| 4075450 | Induction heater for forging bar stock An induction heating system for reheating the end of a forging bar after a previously heated section has been forged and cut off includes a mechanism for bringing the entire bar end to a uniform temperature despite the existence of a hot spot at the end f... | 02/21/1978 |
| 3988106 | Sickle blade heater An apparatus for the edge heating of sickle blades having a pair of magazines for retaining a vertical stack of blades therein, a pair of heat-treating stations located inwardly of the magazines and a discharge chute between the stations. A guide and rod ... | 10/26/1976 |
