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| Number | Title | Issue Date |
| 7115176 | Production process and production line for manufacturing articles from hardenable metal materials In a method of manufacturing articles (8) in hardenable metal materials, a shaped workpiece (5.1, 5.2) with closed cross-section is hardened. The hardened workpiece (5.1, 5.2) is separated into at least two parts, where each part constitutes one... | 10/03/2006 |
| 6821363 | Procedure for hardening at least one surface of a wall of a component and device for its execution A procedure for hardening at least one surface (S, L) of a wall (W) of a component (T), in which the surface to be hardened (S, L) is inductively heated with at least one inductor (2), in which liquid is filled into a gap (P) between the surface to be hardene... | 11/23/2004 |
| 6464927 | Method and apparatus for in-line heat treatment of hot rolled stock Apparatus for the rolling and heat treatment of elongated metal product of relatively small cross section, such as rods and bars, is described in which the elements required for the conduct of a variety of heat treatments are arranged in in-line dispositi... | 10/15/2002 |
| 5932170 | Apparatus for the treatment of metallic workpieces Metal workpieces are subjected to laser treatment in a liquefied gas, by passing the laser beam through a layer of liquid nitrogen in direct contact with the metal surface to be treated, thereby creating an amorphous state.... | 08/03/1999 |
| 5264056 | Method and apparatus for annealing nuclear reactor pressure vessels A nuclear reactor annealing apparatus and method for annealing a vessel of the reactor by utilizing a non-aqueous fluid, a means for replacing water in the vessel with the non-aqueous fluid, a means for heating the non-aqueous fluid to a predetermined tem... | 11/23/1993 |
| 5018706 | Apparatus for inhibiting stress corrosion cracking Method and apapratus for inhibiting stress corrosion cracking adjacent weldments in steel workpieces such as stainless steel pipe through generation of a controllable throughwall temperature differential by exposure of one workpiece surface to extermally ... | 05/28/1991 |
| 4985133 | Reducing NOx emissions from FCC regenerators by segregated cracking of feed A fluidized catalytic cracking process using a riser reactor to crack a mixture of high and low nitrogen content fresh feeds is operated to reduce NOx emissions in the regenerator flue gas. Segregation of the feed into high and low nitrogen con... | 01/15/1991 |
| 4749834 | Method and apparatus of hardening gears by induction heating A method of hardening the radially, outwardly facing surfaces of a generally circular, toothed workpiece adapted to rotate about a central axis generally concentric with the outwardly facing surfaces whereby the extremities of the surfaces define an outer... | 06/07/1988 |
| 4728761 | Method and apparatus for hardening axially spaced cams on a camshaft Method and apparatus for inductively heating and quench hardening axially spaced cams on a steel camshaft having a longitudinally extending rotational axis concentric with a plurality of axially spaced bearings, which method and apparatus utilizes an indu... | 03/01/1988 |
| 4720311 | Camshaft lobe hardening method and apparatus A method and apparatus for making camshafts of steel by hardening the lobes after they have been rough and finish machined and the final contour and finish of the cam surface formed on each lobe while the steel is soft. Each lobe with the finished cam sur... | 01/19/1988 |
| 4628167 | Apparatus for inductively hardneing the interior surface of objects An induction heating device is provided which can be easily and inexpensively modified to inductively heat and quench harden workpiece bores of various diameters. The device consists of a permanently mounted mandrel and easily interchangeable inductor coi... | 12/09/1986 |
| 4625090 | Apparatus for inductively heat treating workpiece bore walls A method and apparatus of quench hardening to a desired depth the full axial extent of the wall surface, or selected portions of the wall surface, of an axially extending bore in an elongated workpiece wherein the bore has a selected uniform cross-section... | 11/25/1986 |
| 4604510 | Method and apparatus for heat treating camshafts A method and apparatus for heat treating camshafts includes a retractable shield positioned between a previously hardened surface and a surface being heat treated. During the induction heating and quenching cycle, a coolant is delivered to the hardened su... | 08/05/1986 |
| 4468010 | Method and apparatus for quench hardening thin-walled, elongated workpieces A method and apparatus of quench hardening to a desired depth the inner surface of an axially extending bore in an elongated, thin-walled workpiece having an outer, axially extending surface wherein the bore has a selected, uniform cross-sectional shape, ... | 08/28/1984 |
| 4401485 | Method for inductively heating thin-walled elongated workpieces A method and apparatus of quench hardening to a desired depth the inner surface of an axially extending bore in an elongated, thin-walled workpiece having an outer, axially extending surface wherein the bore has a selected, uniform cross-sectional shape, ... | 08/30/1983 |
| 4318534 | Plate quench A plate quenching apparatus is described as having a horizontally elongated chamber in which a plurality of rows of metal, tire-like rollers are used to support an element, such as a number number of metal plates, as the element moves along a horizontal p... | 03/09/1982 |
| 4306857 | Conveyor with heating means An apparatus is provided for heating a continuing series of articles, such as canned or bottled potable goods, to substantially room temperature in order to prevent condensation from forming on the containers. The apparatus comprises an elongated housing ... | 12/22/1981 |
| 4212451 | Installation for the production of continuously cast billets A process and installation for carrying out the process are disclosed wherein aluminium or magnesium alloys are continuously cast as extrusion billets with a high degree of automation. The billets are continuously cast, cut into lengths while warm and sub... | 07/15/1980 |
| 4208040 | Apparatus for the gas carburizing of the bore in an object The apparatus is provided with a manifold-type means of feeding gas into the bore of the treated object and a means of discharging gas from the bore of this object which are secured as cantilevers to brackets of a frame. These means are provided with driv... | 06/17/1980 |
| 4201602 | Rail hardening machine and method A technique for heat treating the upper surface of the head of an in situ rail is disclosed. A car carrying an induction heater followed by an air quencher and then an air and water quencher is passed along the track. In this way the upper surface of the ... | 05/06/1980 |
| 4019842 | Apparatus for forming magnetite electrostatographic carriers In preferred form, the inventive concept utilizes a carbon arc plasma flame assembly wherein magnetic ore particles are fed to the plasma flame assembly in the presence of a controlled, gaseous atmosphere. The plasma flame assembly comprises a cathode and... | 04/26/1977 |
