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| Number | Title | Issue Date |
| 7427375 | Diffuser for an annealing furnace A diffuser (24) for an annealing furnace has a plurality of radially extending generally and vertically oriented vanes (40) for radially directing furnace gases. The vanes have top edges (42) defining a generally planar support and the top edges... | 09/23/2008 |
| 7338629 | Integrated metal processing facility A system and method for forming and heat treating a metal casting are provided. ... | 03/04/2008 |
| 7331374 | Method and apparatus for assisting removal of sand moldings from castings Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractur... | 02/19/2008 |
| 7290583 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 11/06/2007 |
| 7282173 | Track bushing and method and apparatus for producing the same Quenched layers are formed without irregularities on the inner circumferential surface of a track bushing having a small inside diameter or on the inner circumferential surfaces of two or more track bushings which are subjected to quenching in an overlapped conditio... | 10/16/2007 |
| 7275582 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 10/02/2007 |
| 7258755 | Integrated metal processing facility An integrated metal processing facility in which molten metal is poured into a series of molds at a pouring station to form metal castings, which are then transferred to a heat treatment line. Prior to introduction of the castings into a heat treatment station of th... | 08/21/2007 |
| 6910522 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 06/28/2005 |
| 6901990 | Method and system for processing castings A method and system of processing castings is provided in which one or more castings are deposited into a mobile furnace and moved from one station to another of a multi-station casting processing system. The interior of the mobile furnace is heated so as to maintai... | 06/07/2005 |
| 6514066 | Device for hot isostatic pressing A device in hot isostatic pressing has first, second and third pumps. The first pump is adapted to pump a cooled pressure medium emanating from a cooling loop in the pressure vessel upwardly from a first space to a second pump which is arranged in a secon... | 02/04/2003 |
| 6250907 | Device for hot-isostatic pressing of parts A method of treating parts (34) in a treatment chamber (33) by hot-isostatic pressing with an inert gas as pressure medium and in the presence of a purifying agent (25a) for the inert gas comprises the steps of reducing the pressure in the treatment chamb... | 06/26/2001 |
| 6159306 | Carburizing device and method of using the same The present invention provides a new and improved apparatus and method of carburizing ferrous metal parts. In one embodiment of the invention the apparatus comprises a radiant heater tube within which a source of hydrocarbon fuel is fully combusted, and a... | 12/12/2000 |
| 6063216 | Working of a metallic strip This invention relates to the working of a metallic strip. More particularly, the invention relates to a method of working a length of metallic strip by heat treating under tensile force, to a length of metallic strip and to an apparatus for use in workin... | 05/16/2000 |
| 5938866 | Method and an apparatus for the treatment of components by a gas mixture An apparatus for the treatment of components by means of a gas mixture, comprising mainly a first light gas and minor amounts of a second gas being heavier than the first gas, has a treatment chamber (10) in which the treatment occurs and a concentration,... | 08/17/1999 |
| 5749978 | Method and device for the controlled forming and feeding of a gaseous atmosphere having at least two components, and application in plants of thermal or carburizing treatment A method for the forming and feeding of a gaseous atmosphere having two components, at least one of which under the form of vapour obtained from liquid, envisages to bubble a first gaseous component within a liquid component kept under controlled conditio... | 05/12/1998 |
| 5535990 | Apparatus for annealing/magnetic annealing amorphous metal in a fluidized bed An apparatus for magnetic annealing of amorphous metal alloy cores. The apparatus includes a fluidized bed for heating the core, a conveyor for transporting the core and immersing the core in the fluidized bed and at least one winding for applying a magne... | 07/16/1996 |
| 5405122 | Apparatus for annealing/magnetic annealing amorphous metal in a fluidized bed A method of heat treating an amorphous metal alloy by immersing the alloy in a fluidized bed to heat the alloy to a temperature below its recrystallization temperature. The alloy is maintained in the fluidized bed for a time sufficient to reduce internal ... | 04/11/1995 |
| 5295822 | Convective heat transfer by cascading jet impingement in a batch coil annealling furnace An improved convective heat transfer arrangement is disclosed achieving overall heat transfer efficiencies in the neighborhood of 30 Btu/(hr. ft2 °F.). A heat transfer conduit including a heat transfer wall is axially divided into a plurality ... | 03/22/1994 |
| 5268040 | Method for steel surface hardening treatment and an apparatus therefor A method of cooling steel parts from austenitic stage to a temperature that is higher than its Ms point after carburization of said steel part to carry out diffusion transformation, then carrying out a nitriding treatment and further applying shot peening... | 12/07/1993 |
| 5251880 | Cooling system and cooling method for hot isostatic pressurizing equipment A cooling system for the hot isostatic pressurizing equipment which is provided with valves and actuators at the lower part of the equipment so that they are not subject to thermal deformation. The valves and actuators are installed independently from eac... | 10/12/1993 |
| 5226968 | Apparatus and method for oxidation treatment of metal A metal oxidation treatment apparatus to form the passivation film on the surface of the metal to be oxidized such as stainless steel or the like, comprising an oxidation furnace, a gas inlet to introduce gas into said oxidation furnace, a discharge outle... | 07/13/1993 |
| 5224998 | Apparatus for oxidation treatment of metal A metal oxidation treatment apparatus to form the passivation film on the surface of the metal to be oxidized such as stainless steel or the like, comprising an oxidation furnace, a gas inlet to introduce gas into said oxidation furnace, a discharge outle... | 07/06/1993 |
| 5158625 | Process and apparatus for heat treating articles while hardening in gaseous medium Process for heat treating articles by hardening them in a recirculating gas medium which is in contact with the treated articles, the hardening gas being cooled by means of a heat exchanger, of the type in which helium is used as hardening gas, and is sto... | 10/27/1992 |
| 5074533 | Endothermic furnace An endothermic furnace for sintering metal includes a pair of U-shaped retort tubes which are mounted to the underside of a flat, rectangular lid, the lid being removably secured along the respective top vertical edges of the furnace chamber sidewalls and... | 12/24/1991 |
| 5018707 | Heating furnace A heating mantle for heating materials, such as metals, alloys or inorganic chemicals in a retort, includes a tubular wall and annular chambers cooperating with said wall for forming a tortious path around the retort for hot gases. The mantle provides a v... | 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 |
| 4817920 | Apparatus for continuous heat treatment of metal strip in coil form Metal strip in coils is heat-treated by impinging jets of a temperature-controlled gaseous medium on the ends of the coils which are positioned with the coil axis horizontal. The medium is recirculated through heat exchangers. A rotating hearth furnace fo... | 04/04/1989 |
| 4645185 | Device for cooling hot-rolled flat products A device for cooling hot rolled flat products in such a way so to deliver to the product a relatively long, very thin, low turbulence blade of water which can be adjusted as to flow rate transversely of the product and so can adjust the cooling conditions... | 02/24/1987 |
| 4643402 | System for producing a regulated atmosphere for a high-temperature process The invention provides a method and apparatus for producing a regulated atmosphere in a heat treating furnace. In the preferred embodiment, liquid methanol is heated sufficiently to cause it to dissociate into hydrogen and carbon monoxide, i.e. the combus... | 02/17/1987 |
| 4349333 | Hot isostatic press with rapid cooling An apparatus for treating articles by heat and pressure and then cooling by forced circulation may have a pressurized heated chamber for holding such items to be treated, this chamber being positioned within a cooled, pressure sustaining enclosure, a pres... | 09/14/1982 |
| 4280807 | Autoclave furnace with cooling system An apparatus or system for cooling the interior of an autoclave furnace vessel after it has been pressurized with a gas and heated. The system comprises a heat conducting conduit opening at one end to the furnace interior and at the other end to a shut-of... | 07/28/1981 |
| 4279406 | Plant for generating an atmosphere for the heat treatment of metals This invention relates to the generation of an atmosphere for the heat treatment of metals, incorporating an alcohol of the methanol type that decomposes by cracking. A generating plant comprises a nitrogen circuit connected to a pressure source, an alcoh... | 07/21/1981 |
| 4214866 | Burner for high temperature combustion air A burner within which there is a jet pump means. High pressure primary combustion air is fed to an inlet in the burner housing and then through the jet pump means. The high pressure air flowing through the jet pump means draws a secondary low pressure, hi... | 07/29/1980 |
| 4174097 | Furnace for bright annealing of copper The invention relates to controlled atmosphere heat treating furnaces and particularly to furnaces for bright annealing of copper or its alloys. A new concept is proposed for conserving energy uses by first having a separate atmosphere producing system th... | 11/13/1979 |
