Class / Patent application number | Description | Number of patent applications / Date published |
266249000 | MEANS TREATING SOLID METAL | 38 |
20080308977 | DEVICE FOR THE THERMAL DEBURRING OF WORKPIECES - A device for the thermal deburring of workpieces. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72( | 12-18-2008 |
20100230874 | HEARTH ROLL IN A CONTINUOUS ANNEALING FURNACE AND ITS PRODUCTION METHOD - A hearth roll for a continuous annealing furnace able to suppress the occurrence of buildup on the hearth roll surface and able to be stably used for a long period under the high temperature environment in a continuous annealing furnace and a method of production of the same are provided. | 09-16-2010 |
20100289194 | THE USE AND METHOD OF PRODUCING A DISPERSION STRENGTHENED STEEL AS MATERIAL IN A ROLLER FOR A ROLLER HEARTH FURNACE - A roller for a roller hearth furnace comprising a dispersion strengthened steel is disclosed. The roller does not require any coating or reconditioning. | 11-18-2010 |
20110049773 | HEAT RETENTION TUNNEL FOR PROCESSING COILS OF HOT ROLLED BAR AND ROD PRODUCTS - A heat retention tunnel is disclosed for processing vertically disposed coils of a hot rolled product being transported along a path. The tunnel comprises walls extending along the sides of the path, and a roof overlying the path. Heat reflective panels line interior surfaces of the walls at locations facing the coils being transported along the path. | 03-03-2011 |
20110254208 | HEAT TREATMENT FURNACE - A furnace heats through both infrared radiation and convective air utilizing an infrared/purge gas design that enables improved temperature control to enable more uniform treatment of workpieces. The furnace utilizes lamps, the electrical end connections of which are located in an enclosure outside the furnace chamber, with the lamps extending into the furnace chamber through openings in the wall of the chamber. The enclosure is purged with gas, which gas flows from the enclosure into the furnace chamber via the openings in the wall of the chamber so that the gas flows above and around the lamps and is heated to form a convective mechanism in heating parts. | 10-20-2011 |
20120200015 | DEVICE FOR HEAT-TREATING SHEET METAL STRIPS - A device is described for heat-treating sheet metal strips ( | 08-09-2012 |
20120223466 | DEVICE FOR HEAT-TREATING SHEET METAL STRIPS - A device is described for heat-treating sheet metal strips ( | 09-06-2012 |
20120313301 | APPARATUS AND METHODS FOR CARTRIDGE CASE ANNEALING - A method and apparatus for annealing cylindrical cases for ammunition cartridges or other tubular casings is provided. In one embodiment, a case annealing apparatus is provided. The case annealing apparatus includes a base, a feeding device having a first end tapering to a second end that is coupled to the base, a rotatable feed wheel assembly disposed adjacent a second end of the feeding device, a linear slide mechanism disposed adjacent the rotatable feed wheel assembly defining a portion of a case receiving region, and a heating device disposed adjacent the case receiving region, the heating device operable to heat a portion of a case retained in the case receiving region. | 12-13-2012 |
20130300040 | MAGNETO-THERMAL PROCESSING APPARATUS AND METHODS - An apparatus is disclosed for magneto-thermal processing of substrates comprises a work surface for supporting a substrate for processing, a source of electromagnetic radiation that delivers an intense electromagnetic field to an area of a substrate disposed on the work surface, and a magnetic assembly that delivers a magnetic field to the area of the substrate. The intense electromagnetic field typically has an energy density of at least about 0.2 J/cm | 11-14-2013 |
20140021664 | HARDENING METHOD AND HARDENING DEVICE - An object of the present invention is to provide a hardening method and a hardening device capable of successfully hardening a shaft and an inner wall of a hole of a work in which the hole is formed close to the shaft on a flat plate. A hardening device for hardening a shaft and an inner wall of a hole, the shaft extending vertically from a flat plate and the hole being formed adjacent to the shaft, includes a first heating coil that is a conductive body facing the shaft and a second heating coil that is a helical conductive body having at least a portion inserted into the hole, so that the first heating coil and the second heating coil heat the shaft and the inner wall of the hole respectively and simultaneously. | 01-23-2014 |
20140353887 | METALLURGICAL HEAT TREATING SYSTEM WITH HEAT RECOVERY - A metallurgical heat treating system with heat recovery is disclosed herein. The metallurgical heat treating system includes a conveyor, a first furnace, a second furnace, a cooling section, a preheating section, and a heat recovery duct. The conveyor conveys material in a conveying direction. The first furnace, the second furnace, the cooling section, and the preheating section are in thermal communication with the conveyor. The second furnace is disposed downstream of the first furnace in the conveying direction. The cooling section is disposed downstream of the second furnace in the conveying direction. The preheating section is disposed upstream of the first furnace in the conveying direction. The heat recovery duct is in fluid communication with the cooling section and the preheating section for a convective transfer of heat therebetween. | 12-04-2014 |
20150352621 | HEATING DEVICE FOR HOT STAMPING - A heating device for hot stamping is configured to heat a plated metallic material while conveying the plated metallic material. The heating device for hot stamping comprises: a first heating tank provided in a conveyance path for the plated metallic material; and a second heating tank provided downstream of the first heating tank in the conveyance path. A heating amount provided by the second heating tank is configured such that a temperature of the plated metallic material becomes equal to or higher than Ac3 point and less than a boiling point of a plating of the plated metallic material, and a heating amount provided by the first heating tank is configured to be larger than the heating amount provide by the second heating tank. | 12-10-2015 |
266250000 | Having evacuated chamber | 6 |
20080237946 | CONTINUOUS CARBURIZING FURNACE - The present invention includes a furnace, a plurality of pallets, a pusher device, and a pusher-puller device. The furnace includes a carburizing zone in which carburizing processing is performed upon workpieces loaded upon trays during the conveyance of these trays along a direction of conveyance, and a plurality of regions which are arranged successively along the direction of conveyance at the upstream side of the carburizing zone. Along with a tray upon which workpieces are loaded being mounted upon each one of the plurality of pallets, these pallets are movable along a linear conveyance direction, with the number of pallets being the same as the number of regions. The pusher device pushes the trays along the direction of conveyance. And the pusher-puller device, along with pushing the plurality of pallets all together forward along the direction of conveyance, also pulls one of the plurality of pallets backward into each of the plurality of regions. | 10-02-2008 |
20100038833 | ANNEALING APPARATUS - Provided is an annealing apparatus, which is free from a problem of reduced light energy efficiency resulted by the reduction of light emission amount due to a heat generation and capable of maintaining stable performance. The apparatus includes: a processing chamber | 02-18-2010 |
20140042678 | 20 Bar super quench vacuum furnace - A vacuum furnace for heat treating and rapid gas quenching insitu a work piece at pressures up to 20 Bar and high gas velocities. The furnace comprises a single chamber having an inner portion including a plurality of graphite heating elements and graphite insulation, an outer portion and an access door. Further included are movable radiation baffle doors. In their closed position hot gases heat treat the work piece. In their open position the hot gases escape through the opening created onto chevron-shaped baffles in the outer portion which reflect radiation heat energy back into the inner portion and diffuse only convective heat energy into a heat exchanger and a variable speed drive recirculating fan. The recirculating fan directs the cooling gases through cooling nozzles onto the work piece to quench it to a pre-programmed temperature. | 02-13-2014 |
20140291903 | VACUUM HEAT TREATMENT DEVICE - The vacuum heat treatment device includes: a guide plate used to guide a cooling medium supplied by a cooling unit, into a heat-insulating container through one of at least two openings of the heat-insulating container in a state where the two openings of the heat-insulating container are opened; and a movement mechanism used to move the guide plate so that at least part of the guide plate is inserted into a movement area of a cover portion in a state where the two openings of the heat-insulating container are opened and so that the guide plate is retracted from the movement area of the cover portion before the cover portion is moved in order to close the two openings of the heat-insulating container. | 10-02-2014 |
20140327195 | Rotating vacuum heat treatment equipment - A rotating vacuum heat treatment equipment, applicable for heat treatment of rare earth permanent magnetic devices, hydrogen pulverization of rare earth permanent magnetic alloy, and heat treatment of mechanical electronic components, mainly comprises: a vacuum unit, a gas cooling device, and a vacuum furnace, wherein an insulating layer is provided in the vacuum furnace, a heater is provided in the insulating layer, a rotating cylinder is provided in the heater, a nozzle, connected with pipelines of the gas cooling device, is provided on the insulating layer, and cooled gas is sprayed to the rotating cylinder via the nozzle. | 11-06-2014 |
20160102377 | DEVICE FOR INDIVIDUAL QUENCH HARDENING OF TECHNICAL EQUIPMENT COMPONENTS - Device for individual quenching of gears, pinions, bearing rings and other similar components of technical devices, operating in a vacuum furnace installation, whereby the quenching chamber of the installation is fitted with tightly-sealed doors for workpiece loading and unloading. The following elements are fitted inside the quenching chamber: removable table on which an individual workpiece is placed, along with a surrounding set of removable nozzles; the inlet of the quenching chamber features an attached tank supplying the cooling medium to the nozzles—preferably air or nitrogen, or argon or helium, or hydrogen or carbon dioxide, or mixtures thereof—while the outlet of the quenching chamber is connected to the inlet of a tank receiving expanded cooling medium from the chamber; moreover, there is a compressor connected in between the two tanks, ensuring closed-loop flow of the cooling medium. | 04-14-2016 |
266251000 | By contact with gas | 13 |
20090039573 | DISTRIBUTOR BASE - A distributor bottom, particularly a nozzle-type distributor bottom, for steadily introducing process gas, especially process gas loaded with solid particles, into a process chamber, optionally to create a fluidized bed. The process chamber is disposed above the distributor bottom and is formed by walls of a reactor used for metallurgically, particularly thermally, treating feedstock. The distributor bottom is provided with a plurality of holes. Holes are arranged near the walls to prevent substances from attaching to the reactor walls. Special arrangements relate to nozzles and ducts. | 02-12-2009 |
20120013056 | CHARGING FRAME AND QUENCHING DEVICE HAVING A CHARGING FRAME - A charging frame for accommodating a batch of parts to be quenched, e.g., metal workpieces, has a circumferentially closed peripheral wall which surrounds the batch and thereby forms a flow channel which prevents bypass flows. The charging frame is a part of a quenching device. | 01-19-2012 |
20120205842 | GAS-JET COOLING APPARATUS FOR CONTINUOUS ANNEALING FURNACE - A gas jet cooling apparatus for a continuous annealing furnace apparatus includes a plurality of tubular pressure headers extending in a width direction of a steel strip and having a length that is larger than a width of the steel strip, wherein the pressure headers are arranged to face each of front and back surfaces of the steel strip along a longitudinal direction of the steel strip at a pitch L; and a plurality of nozzles protruding from the pressure headers, wherein the nozzles are arranged along the width direction of the steel strip at a pitch W and arranged along the longitudinal direction of the steel strip in a staggered manner. | 08-16-2012 |
20130127097 | DEOXIDATION APPARATUS FOR PREPARING TITANIUM POWDER WITH LOW OXYGEN CONCENTRATION - Disclosed is a deoxidation apparatus for preparing low-oxygen titanium powders. The deoxidation apparatus includes a lower container having an open upper portion and storing an deoxidizer representing an oxygen degree higher than an oxygen degree of titanium and a melting temperature lower than a melting temperature of titanium, and an upper container coupled with the lower container on the lower container and storing titanium base powders. The upper container is provided at a lower surface thereof with a sieve, and allows the deoxidizer, which is evaporated due to heating, to make contact with the titanium base powders so that the titanium base powders are deoxidized. | 05-23-2013 |
266252000 | With heating means | 9 |
20080258360 | CONTINUOUS CARBURIZING FURNACE - The continuous carburizing furnace of this invention provides a furnace, a lift mechanism and a plurality of pushers. A furnace has a carburizing zone and a plurality of regions including a first region and a second region at the upstream side of said carburizing zone. The second region and the first region being disposed successively along a direction of conveyance of workpieces loaded upon a tray in this order. The lift mechanism lowers a tray in some region, among the plurality of regions, other than the region most to the upstream side in the direction of conveyance. A plurality of pushers includes a first pusher and a second pusher. The first pusher pushes a tray in said first region to said carburizing zone. The second pusher pushes a tray in said second region to said first region. A plurality of pushers are arranged the lower, the further towards the downstream side in said direction of conveyance is the position at which they push said trays. | 10-23-2008 |
20080308978 | Heat-Treating of Rolling Elements for Bearings, and Furnace for Implementing Such Treatment - Heat-treating of rolling elements for bearings; according to the treatment, the rolling elements are guided in a row from an entrance to an exit and are heated during the movement towards the exit by induction heating. | 12-18-2008 |
20090051085 | Metal heat treating systems that control the ratio of hydrogen to water vapor in metal heat treating atmospheres - A system for heat treating a metal product has an annealing zone having a first preselected atmosphere condition, a cooling zone having a second preselected atmosphere condition different than the first preselected atmosphere condition, and a blueing zone having a third preselected atmosphere condition different than the first and second preselected atmosphere conditions. A graphical user interface allows an operator select one of the zones for displaying processing information pertaining to the selected zone. The processing information includes a computed ratio of gaseous hydrogen H | 02-26-2009 |
20090309277 | Vacuum nitriding furnace - A heat treating furnace is disclosed for nitride case hardening and gas cooling a stationary workload in the same furnace which is comprised of a single chamber and an access door. The chamber is segregated into an outer portion and an inner portion, with the inner portion being adapted to receive the workload to be nitride case hardened through the access door. The inner portion is surrounded by graphite insulation to retain the gas used to nitride case harden the workload. The inner portion further includes a plurality of graphite resistance heating elements and a plurality of graphite plates juxtaposed in near proximity to the graphite resistance heating elements forming a conduit or plenum between them. The inner portion further includes a fan assembly including a graphite radial fan wheel adapted to circulate the nitriding gas within the inner portion and through the conduit to provide uniform nitride case hardening of the workload. | 12-17-2009 |
20100213648 | HEAT TREATMENT FURNACE - A heat treatment furnace that allows the atmosphere in the heat treatment furnace to be controlled with favorable accuracy includes a second heating zone identified as a reaction chamber, having a floor belt to hold a workpiece, and an atmosphere collect pipe having an opening in the second heating zone to collect an atmosphere in the second heating zone through the opening. The atmosphere collect pipe is installed to allow the distance between the opening and the floor belt to be modified. | 08-26-2010 |
20110115137 | Retort Furnace for Heat Treating Metal Workpieces - In a retort furnace having a heating assembly, a circulation unit, and an assigned cooling unit, uniform and rapid cooling of the heat-treated workpieces is achieved by three solution variants. The first variant includes a second floor ( | 05-19-2011 |
20120018931 | HIGH-TEMPERATURE FURNACE FOR THE ANNEALING OF SHEET-METAL JOINTS - A high-temperature furnace for the annealing of sheet-metal joints ( | 01-26-2012 |
20160068922 | Hardened Titanium Structure for Transmission Gear Applications - A method and apparatus are present for manufacturing a part. The part is comprised of a metal alloy and is positioned to form a positioned part. An electromagnetic field is generated that heats the positioned part. A surface of the positioned part is exposed to an inert gas, while the electromagnetic field is generated to create an inverse thermal gradient between an exterior of the positioned part and an interior section of the positioned part to form a heat treated part. | 03-10-2016 |
266255000 | Having work contained in separate, noncommunicating chamber, e.g., muffle | 1 |
20110115138 | Retort Furnace for Heat Treating Metal Workpieces - To increase the usage value and for increased availability of retort furnaces ( | 05-19-2011 |
266259000 | By cooling of the solid | 7 |
20090072452 | Structure for Casehardening a Fixture of a Guide Plate of a Chain Saw - A structure for casehardening a fixture of a guide plate of a chain saw is disclosed and comprises: a metal member being larger than the guide plate and having a slot, the dimension between the two edges of the slot being a sum of the dimension of the outer figure of the guide plate and the dimension of a tolerance, the tolerance being defined as an allowable electrode discharging distance; and at least one cooling structure being disposed around one of the edges utmostly and only having one inlet and one outlet, other useless opens being sealed by sealing structures. | 03-19-2009 |
20090218738 | INSTALLATION FOR THE DRY TRANSFORMATION OF A MATERIAL MICROSTRUCTURE OF SEMI-FINISHED PRODUCTS - An installation for the dry transformation of a material microstructure of semi-finished products, especially for dry bainitization, includes a quenching chamber and a microstructure transformation chamber situated downstream from it in the processing flow, in each case the inner space of the two chambers having applied to it excess gas pressure, at least during the respective method step, for the transformation of the material microstructure. Device(s) are provided for maintaining a minimum excess gas pressure acting on the semi-finished product, during the moving of the semi-finished product from the quenching chamber into the microstructure transformation chamber. | 09-03-2009 |
20100019423 | Method for the monobloc sizing for the tempering casings and device for implementing the method - A device for implementing a method of sizing a cylindrical part following shaping, by plastic deformation, of a metallic material that has maximum structural shrinkage at a maximum-shrinkage temperature between a first temperature and a second temperature, which is lower than the first temperature, is disclosed. The method includes placing the part in a shaft furnace, heating the part to the first temperature, lowering and fitting into the part an internal-sizing tool with an outer diameter greater than an inner diameter of the part at maximum structural shrinkage, transporting the assembly formed by the part and the sizing tool to a tempering vessel, cooling the part to a temperature below said second temperature, and extracting the internal-sizing tool. The method applies to the manufacture of turbomachine casings. | 01-28-2010 |
20100109211 | APPARATUS FOR FORMING LONGITUDINAL THERMAL-FATIGUE CRACKS - An apparatus for forming longitudinal thermal fatigue cracks. A heating unit has an induction coil disposed adjacent to an outer circumference of one side of a tubular test piece, on an inner surface of which a notch is formed. A cooling unit has a cooling water pump and a cooling water hose which forcibly injects cooling water from a cooling water storage source into an inner circumference of the tubular test piece. A control unit controls operation of the heating and cooling units. A cooling block partially encloses the outer circumference of the tubular test piece so as to control a magnitude of y-axial stress, is supplied with a cooling source of fluid or gas from an outside so as to repetitively cool the tubular test piece heated by the heating unit to adjust a temperature gradient, and has a longitudinal slit for controlling crack positions. | 05-06-2010 |
20110272867 | HANDLING MACHINE FOR HANDLING RAILS AND HANDLING PROCESS THEREOF - A handling machine for handling rails, arranged in line immediately downstream of a rolling plant, which allows an optimal clamping of the rail along its longitudinal extension, thus effectively withstanding the deflection and its variations, while allowing a longitudinal movement of the rail caused by thermal shrinkage, thus avoiding damages both to the external surface of the rail and to the handlers. A process of handling the rail is also described, which optimizes moving, positioning along a roller table and maintaining the rail substantially rectilinear during the thermal treatment to which it is subjected. | 11-10-2011 |
20160377346 | HEAT TREATMENT APPARATUS - A heat treatment apparatus includes a cooling chamber configured to perform cooling of a treatment object, a conveyance chamber installed above the cooling chamber and configured to convey the treatment object, a lift table on which the treatment object is placed, and a lift mechanism having a driving apparatus installed above the lift table and configured to raise and lower the lift table between the cooling chamber and the conveyance chamber using the driving apparatus. | 12-29-2016 |
266260000 | By contact with solid heat sink | 1 |
20140374971 | CRYSTALLIZER FOR CONTINUOUS CASTING - Crystallizer for the continuous casting of long metal products such as blooms or billets, of the type cooled by an external cooling jacket, in which, at least in the zone of maximum thermal peak, positioned around the zone of the meniscus or immediately below it, there are means present, made on the walls of the crystallizer, to condition the heat exchange between the walls of the crystallizer and the cast steel. The means to condition the heat exchange comprise concavities or depressions made on the internal wall of the crystallizer, made around the zone of maximum thermal peak, and having a distribution that, in terms of the overall area occupied by them per surface unit, is reduced until it is canceled toward the bottom at a certain distance from said zone of maximum thermal peak. | 12-25-2014 |