Patents
Sitemap › C21 - Metallurgy of iron › C21D - Modifying the physical structure of ferrous metals; General devices for heat treatment of ferrous or non-ferrous metals or alloys; Making metal malleable by decarburisation, tempering, or other treatments › C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor
Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
10/2003
10/22/2003EP1354973A1 High-strength steel sheet and high-strength pipe excellent in deformability and method for producing the same
10/22/2003EP1354971A1 Bearing material
10/22/2003EP1354967A1 Multi-layer heat treating furnace, heat treating device, and heat treating method
10/22/2003EP1354070A2 High-strength isotropic steel, method for making steel plates and resulting plates
10/22/2003EP1235682B1 Use of a heat resistant alloy with good high temperature oxidation resistance as foil or electrical heating conductor
10/22/2003CN2581461Y Processor for laser reinforcing internal surface of tubular workpiece
10/22/2003CN1451053A Oil Compsition for heat treatment of gear and gear treated therewith
10/22/2003CN1450285A Wearing-resistant chain
10/22/2003CN1450191A High-tensile strength hot-rolled steel sheet excellent in elongation properties and stretch flangeability and producing method thereof
10/22/2003CN1450181A Composite working technology of steel wire heat treatment and straigthening and device thereof
10/22/2003CN1125187C Hot-rolled steel sheet with fine antiweatherability and working property and method for making same
10/21/2003US6635129 Wire rod steel
10/21/2003US6635128 Work hardened poppet exhaust valve
10/21/2003US6635127 Cold rolling; tensile strength, ductility, hardening
10/21/2003US6635126 Alloy comprising iron, carbon, cobalt, nickel, chromium, molybdenum, and vanadium; bearings, gears
10/21/2003US6634073 A train of in-line continuous manufacturing equipment for producing steel wire, considered difficult with a block mill up to now, capable of efficiently carrying out controlled-rolling and slow-cooling by an effective in-line
10/16/2003WO2003085149A1 Pealite based rail excellent in wear resistance and ductility and method for production thereof
10/16/2003WO2003085148A1 Low-thermal expansion alloy thin sheet and its manufacturing method
10/16/2003WO2003085142A1 Heat treating device, heat treating method, recording medium recording heat treating program and steel product
10/16/2003WO2003084687A1 Arrangement for cooling heat-treated wires
10/16/2003US20030195073 Pushing block for CVT belt and manufacturing method therefor
10/16/2003US20030193120 Process for producing a component from metal
10/16/2003US20030192878 Vacuum and gas tight enclosure for induction heating system
10/16/2003US20030192625 High carbon steel railroad rails; resistant to rolling fatigue damage; alloy comprises carbon, silicon, manganese, chromium, copper, nickel, molybdenum, sulfur, aluminum, and iron; ultrafine pearlite; hardness
10/16/2003US20030192299 Wear resistant chain
10/16/2003DE20309427U1 Device for treating continuously cast rods or continuously cast bolts which can be heated to a deformation temperature comprises radially rotating the rods or bolts in an oven
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
10/16/2003CA2749503A1 Pearlitic steel rail excellent in wear resistance and ductility and method for producing the same
10/16/2003CA2451147A1 Pearlitic steel rail excellent in wear resistance and ductility and method for producing the same
10/15/2003CN1124360C Steel
10/14/2003US6632303 Reheating tempered grinding ball having hardened section of tempered martensite to previous equalization temperature, holding for time sufficient to develop outer stress relieved martensitic shell and inner non-stress relieved section
10/14/2003US6632302 Heat treatment of cutting tools such as twist drills having a shank and cutting portion to which it is desired to impart differnt hardness
10/14/2003US6632301 Method and apparatus for bainite blades
10/14/2003US6632297 Railway wheels resistant to martensite transformation
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
10/09/2003WO2003083153A1 Bulk steel for the production of injection moulds for plastic material or for the production of pieces for working metals
10/09/2003WO2003083151A1 Steel wire for hard drawn spring excellent in fatigue strength and resistance to settling, and hard drawn spring
10/09/2003WO2003033182A3 Device and method for the production of flat metal
10/09/2003US20030189276 Dual-purpose installation for continuous annealing and hot dip plating
10/09/2003US20030188811 High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof
10/08/2003EP1350859A1 High-tensile strength hot-rolled steel sheet excellent in elongation properties and stretch flangeability, and producing method thereof
10/08/2003CN1123406C Slowly cooling system for particle type isolation materials
10/07/2003US6630101 Method for producing powder metal gears
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
10/02/2003WO2003081156A1 Installation for the heat-treatment of parts
10/02/2003WO2003081062A1 Rolling bearing for belt type non-stage transmission
10/02/2003WO2003080014A1 Two-phase cosmetic or dermatological preparations
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
10/02/2003US20030183311 Device and method for manufacturing soft metal tube
10/01/2003EP1349431A1 Vacuum and gas tight thermal insulating enclosure for induction heating apparatus
10/01/2003EP1348770A1 Plant and procedure for the production of small parts in hot formed steel
10/01/2003EP1301640B1 Method and device for inserting elongated workpieces into a transport grate
10/01/2003EP1200635B1 High tensile steel band or sheet and method for the production thereof
10/01/2003EP1026275B1 High-strength, high-toughness rolled shape steel and production method thereof
09/2003
09/30/2003US6627005 High fatigue-strength steel wire and spring, and processes for producing these
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
09/25/2003WO2003060171B1 Method of controlling metal strip temperature
09/25/2003US20030180677 Jig for heat treatment of work
09/25/2003US20030180554 Unidirectional silicon steel sheet of ultra-low iron loss and method for production thereof
09/25/2003US20030180174 High-strength steel pipe of API X65 grade or higher and manufacturing method therefor
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
09/24/2003EP1347072A1 Steel wire rod for hard drawn spring, drawn wire rod for hard drawn spring and hard drawn spring, and method for producing hard drawn spring
09/24/2003EP1347071A1 Cold worked aluminium killed steel sheet and process for manufacturing packaging from this metal sheet
09/24/2003CN2575110Y Ultrahard coating of rigid alloy surface
09/24/2003CN2575109Y Coal-saving device pipe for spraying composite coating with supersonic speed arc spraying equipment
09/24/2003CN1444664A Method and means for heat treating cutting tools
09/24/2003CN1443946A Production process of high strength bolt with above 1300MPa
09/23/2003US6623569 Weldable, greater corrosion resistance than the Type 304, Type 316 or Type 317 austenitic stainless steels and may have a lower production cost than the commonly used AL 2205; reduced amounts of the alloying elements nickel and molybdenum
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
09/18/2003WO2003076675A1 Steel plate subjected to heat treatment and process for producing the same
09/18/2003WO2003076673A2 High-resistant, low-density hot laminated sheet steel and method for the production thereof
09/18/2003US20030175524 Electrical sheet having insulating coating and insulating coating
09/18/2003US20030173007 Hot air blow type fluidized bed furnace, rotary type heat treatment furnace, heat treatment device, and heat treatment method
09/18/2003US20030172531 Method of manufacturing flat wire coil springs to improve fatigue life and avoid blue brittleness
09/17/2003EP1344840A1 Sintered sprocket
09/17/2003EP1344439A1 A high strength steel plate having superior electric and magnetic shielding property, and method making the same
09/17/2003EP1344010A1 Hardening fixture
09/17/2003EP1133366B1 Arrangement in connection with cooling equipment for cooling billets
09/17/2003CN2573506Y Intelligent controlled metal wire annealing device
09/17/2003CN1442620A Screw being locally heat treated and quenched
09/17/2003CN1442495A Soaking type fine shaft local over conventional flame quenching method and device
09/16/2003US6620377 High hardness stainless steel for screws used in magnetic memory devices
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
09/16/2003US6619849 Rolling bearing unit for supporting wheel
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
09/10/2003EP1342812A1 Magnesium oxide particle aggregate
09/10/2003EP1342800A1 Steel for high-strength screws and high-strength screw
09/10/2003EP1342799A1 Method for baking steel part
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