Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
10/2003
10/16/2003US20030193120 Process for producing a component from metal
10/16/2003US20030192878 Vacuum and gas tight enclosure for induction heating system
10/16/2003DE10201009C1 Verfahren zur Herstellung eines Produkts aus Stahl und danach hergestelltes Produkt A method for producing a product made of steel and subsequently manufactured product
10/16/2003CA2480899A1 Improvements to heating inductors, in particular of metal strips
10/15/2003EP1352102A2 Metallic diffusion process and improved article produced thereby
10/15/2003CN1124439C Method and apparatus for containing and suppressing explosive
10/15/2003CN1124360C Steel
10/14/2003US6632301 Method and apparatus for bainite blades
10/14/2003US6631542 Detaching cylindrical drum comprising sheet of maraging low carbon steel comprising nickel, cobalt, molybdenum and titanium with welded ends; aging, nitriding, stacking
10/14/2003CA2203097C Heat treating furnace and method
10/14/2003CA2176364C Heat treating and removing cores from castings
10/10/2003CA2380812A1 Enclosure impervious to gas and to vacuum providing thermal insulation for use with an induction heating device
10/09/2003WO2003033182A3 Device and method for the production of flat metal
10/09/2003US20030189027 Method of making a metallic component
10/09/2003US20030188806 Decarburization annealing followed by coating of annealing separator and final annealing, wherein alumina powder calcined at temperature of 900-1,400 degrees C is used as annealing separator
10/08/2003CN2578950Y Water-cooled power switching devices
10/08/2003CN1446937A Alloy steel fittings and its mfg. method
10/08/2003CN1123406C Slowly cooling system for particle type isolation materials
10/07/2003US6630643 Method and structure for forming metallic interconnections using directed thermal diffusion
10/07/2003US6630038 Apparatus comprising heater to heat metallic material to modification point or higher, liquid metal sodium supplier comprising nozzle arranged to spray sodium onto material to cool it, in which sodium flows in same direction as material
10/07/2003CA2343332C Method and apparatus for containing and suppressing explosive detonations
10/02/2003WO2003081156A1 Installation for the heat-treatment of parts
10/02/2003WO2003081062A1 Rolling bearing for belt type non-stage transmission
10/02/2003WO2003080876A1 Hot gas quenching devices, and hot gas heat treating system
10/02/2003WO2003080014A1 Two-phase cosmetic or dermatological preparations
10/02/2003US20030185700 0.25-0.35% by mass C, not more than 0.15% Si, 0.2-0.8% Mn, 0.3-0.6% Ni, 1.6-1.9% Cr, 0.26-0.35% V, 0.6-1.1% Mo, 0.6-1.4% W, 1.3-1.4% Mo+W/2, and the balance Fe
10/02/2003US20030185476 Rolling bearing unit with rotation speed detection instrument for use in cars and method for working outer race for use in this bearing unit
10/01/2003EP1349431A1 Vacuum and gas tight thermal insulating enclosure for induction heating apparatus
10/01/2003EP1348771A1 High strength hot rolled steel plate excellent in enlargeability and ductility and method for production thereof
10/01/2003EP1348770A1 Plant and procedure for the production of small parts in hot formed steel
10/01/2003CN2576721Y Roof-beam inductive quenching spray-quenching machine
10/01/2003CN2576720Y Roof-beam inductive quenching heater
09/2003
09/30/2003US6627856 Moveable heat exchanger
09/30/2003US6627145 Gas-heated carburizing equipment
09/25/2003WO2003078669A1 Pre-loading of components during laser peenforming
09/25/2003WO2003078667A1 Steel product and method for manufacturing
09/25/2003WO2003078666A2 Method and device for convective heat transfer between a heat transfer medium and the front face of a wound metal strip in the form of a coil
09/25/2003WO2003078665A2 Method and device for convective heat transfer between a heat transfer medium and the surface of a workpiece
09/25/2003WO2003078072A1 Device for homogeneous impingement of a planar surface of a tool with a heated gas
09/25/2003US20030180677 Jig for heat treatment of work
09/25/2003US20030180173 Multistage process; heating, cooling in hydrogen environment
09/25/2003US20030178108 Proceeding when producing pieces of metal materials capable of being hardened, a production process and a production line
09/25/2003DE10228333C1 Hardening the race rim zone in production of bearing ring for large roller bearing involves heating with inductor at specified distance whilst rotating ring about axis, and then chilling
09/25/2003CA2479598A1 Device for homogeneous impingement of a planar surface of a tool with a heated gas
09/25/2003CA2478998A1 Steel product and method for manufacturing
09/24/2003EP1062030B1 Method and apparatus for controlling heat transfer from solid particles in a fluidized bed
09/23/2003US6622778 Method for the direct production of scale-free thin metal strip
09/23/2003US6622540 Method and apparatus for flexible manufacturing a discrete curved product from feed stock
09/18/2003WO2003076096A1 Heating apparatus for formable metals
09/18/2003US20030175130 Apparatus for the treatment of metallic workpieces with cooling gas
09/18/2003US20030173007 Hot air blow type fluidized bed furnace, rotary type heat treatment furnace, heat treatment device, and heat treatment method
09/18/2003US20030173006 Steel product and method for manufacturing
09/17/2003EP1344839A1 Alloyed nodular cast iron
09/17/2003EP1133366B1 Arrangement in connection with cooling equipment for cooling billets
09/17/2003CN2573505Y Super-high frequency surface quenching apparatus
09/17/2003CN1442495A Soaking type fine shaft local over conventional flame quenching method and device
09/17/2003CN1442494A High temperature bright treatment method using inert neutral gas atmosphere
09/16/2003US6620374 Induction heat-treating of threaded fasteners with a rotary conveyor
09/16/2003US6620262 Method of manufacturing inner and outer races of deep groove ball bearing in continuous annealing furnace
09/16/2003CA2155308C Apparatus for and method of induction-hardening machine components
09/12/2003WO2003028912A3 Method and system for thermal treatment of rails
09/12/2003WO2003023076A3 Device for quenching and tempering long-length rolling stock
09/11/2003US20030168136 Steel wire and method of manufacturing the same
09/10/2003EP1342812A1 Magnesium oxide particle aggregate
09/10/2003EP1342799A1 Method for baking steel part
09/10/2003EP1341938A1 Method and device for annealing tubes
09/10/2003EP1341936A1 A method and a device for partial heating of metal sheets
09/10/2003EP1191116B1 Austenitic steel
09/10/2003EP1173624B1 Method and apparatus for hardening ring-shaped grooves by means of laser beams
09/10/2003CN2571769Y Quenching blank anti-damage mechanism
09/10/2003CN2571768Y Roller bottom type complicated moving hot oil quenching trough
09/10/2003CN1120892C Normalizing liquid for cooling cast iron parts and its normalizing method
09/04/2003WO2003073796A1 Inner diameter surface induction heating coil
09/04/2003WO2003072842A2 Quenching device for two or more workpieces
09/04/2003US20030164372 Device for inductively heating metallic strips
09/04/2003US20030164205 Applying an oil-in-water emulsion comprising water and a water-soluble oil comprising a base stock oil and, di(2-ethylhexyl) adipate ester for rolling aluminum or aluminum alloy sheets
09/03/2003EP1340824A2 Method for manufacturing a metal component
09/03/2003EP1339889A1 STEEL PLATE TO BE PRECIPITATING TiN+CuS FOR WELDED STRUCTURES, METHOD FOR MANUFACTURING THE SAME, WELDING FABRIC USING THE SAME
09/02/2003US6613160 Method to produce grain-oriented electrical steel sheet having high magnetic flux density
09/02/2003US6612898 Corrosion resistance stainless steel and titanium base alloy
08/2003
08/28/2003WO2003070995A1 Steel, solid wheel, and tire for rail vehicles and method for producing parts of this type
08/28/2003WO2003070992A1 Method of heat treatment of stainless steel.
08/28/2003WO2003070991A1 Method for cooling metal strips or plates and cooling device
08/28/2003WO2003070402A1 A method of cooling a hot isostatic pressing device and a hot isostatic pressing device
08/28/2003US20030160558 Cold rolling; etching slits; wrinkle resistance; magnetic shields
08/28/2003US20030160045 Apparatus and method for heating a workpiece of metal
08/28/2003US20030159765 Nano-composite martensitic steels
08/28/2003DE20220240U1 Rotating hearth furnace, for heat treatment of workpieces, has two openings for loading and unloading, separated by heating zone
08/27/2003EP1338658A2 Method and device for heat treating workpieces
08/27/2003EP1337672A1 Quenching method and apparatus
08/27/2003EP1337362A1 A method of producing steel strip
08/27/2003EP1204770B1 Method for making a continuous steel strip
08/27/2003CN2569501Y Inductor of double screw internal arc inclination
08/27/2003CN2568670Y Negative pressure cool/heat exchanger
08/27/2003CN1438926A Method of production of surface densified powder metal components
08/27/2003CN1438438A Method for increasing internal surface wearability of engine cylinder body and cylinder sleeve
08/27/2003CN1438334A Heating method of preventing for high-carbon steel blank or steel ingot from decarbonizing
08/26/2003US6609906 Adjustable ratio control system and method
08/21/2003WO2003069011A1 METHOD FOR HEAT TREATING Ni BASE ALLOY PIPE
08/21/2003WO2003069004A1 High chromium and carbide rich tool steel made by powder metallurgi and tool made of the steel