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)
12/2003
12/11/2003US20030226618 Heat treatment in channel with transverse projection for heat contact
12/10/2003EP1369337A1 Rack bar and method of heat-treating a rack bar
12/10/2003EP1368504A2 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
12/10/2003EP1368141A2 Flat metal, production device and production method
12/10/2003EP1278692B1 Device for guiding a metal strip on a gas cushion
12/10/2003CN1130954C Induction heating quench apparatus for crankshaft and using method thereof
12/09/2003US6660110 Heat treatment devices and method of operation thereof to produce dual microstructure superalloy disks
12/09/2003US6659909 Toroidal continuously variable transmission and manufacturing method thereof
12/09/2003US6659166 Installation for controlling the sealed condition of water-gas heat exchangers for industrial furnaces
12/04/2003WO2003101152A1 Device for the induction heating of toothing belonging to a mechanical part
12/04/2003WO2003099482A1 Uoe steel pipe with excellent crash resistance, and method of manufacturing the uoe steel pipe
12/04/2003DE20218607U1 Hot bulb for heat treatment of wires in wire drawing machines is cylinder of electrically conducting material, and surface of cylinder has parallel disposed slot, groove or corrugation form recesses
12/03/2003EP1367143A1 Hot dip zinc plated steel sheet having high strength and method for producing the same
12/03/2003EP1366204A1 Steel article
12/03/2003EP1366199A2 Production of a cylindrical housing for a double screw extruder
12/03/2003EP1285098B1 Method and device for induction hardening crankshafts
12/03/2003EP0828863B1 Preparation of pre-coated aluminum alloy articles
12/03/2003CN1460392A Heat insulating board of induction heating apparatus
12/03/2003CN1460156A High-strength bolt excellent in delayed fracture resistance characteristics and its steel product
12/03/2003CN1460127A Bearing material
12/03/2003CN1460125A Scale removing method for induction heating apparatus and induction heating apparatus
12/03/2003CN1459399A Caterpillar shaft sleeve and mfg. method thereof
12/02/2003US6656419 Nickel 30-85 wt %, carbon < 0.015 wt %, Silicon < 1.0 wt %, Manganese < 1.0 wt %, phosphorus < 0.01 wt %, sulfur < 0.005 wt %, oxygen < 0.0060 wt %, aluminum < 0.02 wt % remainder iron; casting, homogenizing heat treatment and hot rolling
12/02/2003US6656418 Steel composition, method for making same and parts produced from said compositions, particularly valves
12/02/2003US6656413 Method and apparatus for quenching metal workpieces
12/02/2003US6655956 Support frame used to stack metal coils or rings and heat treatment by a hot, gaseous medium, bell-type annealing furnace
12/02/2003US6655026 Carburizing and quenching connecting rod, forming carburized layer at surface, grinding carburized layer formed in bearing portion until depth at which compressive residual stress exhibits maximum value, shot-peening ground surface
11/2003
11/27/2003WO2003097885A1 Rock drill product and method
11/27/2003WO2003097263A1 Method and device for cooling steel sheet and method of manufacturing steel sheet
11/27/2003WO2003069010A8 Steel sheet for container excellent in formability and properties at weld, and method for producing the same
11/27/2003US20030219178 Rolling bearing for continuously variable transmission
11/27/2003US20030217991 Method of and apparatus for the electrical resistance heating of metallic workpieces
11/27/2003US20030217795 High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same
11/27/2003US20030217581 Metal plate shaping method
11/27/2003DE10220282C1 Verfahren zum Herstellen von kaltgewalztem Stahlband mit Si-Gehalten von mindestens 3,2 Gew.-% für elektromagnetische Anwendungen A method of producing cold rolled steel strip having Si contents of at least 3.2 wt .-% for electromagnetic applications
11/27/2003CA2483374A1 Rock drill product and method
11/26/2003EP1365037A1 High strength steel sheet having excellent formability and method for production thereof
11/26/2003EP1365035A1 Method of maintaining the steel lattice work of high tension masts
11/26/2003CN1458983A Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing same, and combination of piston ring and cylinder block
11/26/2003CN1458870A Method of producing steel strips
11/25/2003US6652680 Method for producing tubes for heavy guns
11/25/2003US6652671 Excellent in hardenability and toughness and formable with a high dimensional precision; tools, springs
11/20/2003WO2003095855A1 Method of producing bearing raceway member
11/20/2003WO2003095683A1 Cold-rolled steel strip having a silicon content of at least 3.2 wt. % and used for electromagnetic purposes
11/19/2003EP1363474A2 Inductive heating device of workpieces
11/19/2003EP1362930A1 Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof
11/19/2003EP1361930A1 Continuous casting unit with post-arranged furnace, roughing stand and finishing train
11/19/2003CN1457371A Hot dip zinc plated steel sheet having high strength and method for producing the same
11/19/2003CN1128240C Stretching steel wire bar with good twisting property and its manufacturing mehtod
11/18/2003US6648995 Method of quenching workpiece with hole, assistive tool for use in quenching, and crankshaft
11/18/2003US6648209 Process for producing welded steel pipes with a high degree of strength, ductility and deformability
11/18/2003US6647648 Method of manufacturing a bucket tooth
11/13/2003US20030209049 Method and apparatus for flexible manufacturing a discrete curved product from feed stock
11/12/2003EP1361289A1 Heat-treated steel wire for high strength spring
11/12/2003EP1360017A1 Method and device for manufacturing a hot rolled steel strip
11/12/2003EP1129224B1 Device and process for cooling metal components which were subjected to high temperatures
11/12/2003CN1455821A Sheet steel and method for producing thereof
11/12/2003CN1455005A Thermal treatment method of metal tube and said thermal treatment apparatus
11/12/2003CN1127383C Seamless steel pipe manufacturing method and equipment
11/11/2003US6645319 Wire rod for drawing superior in twisting characteristics and method for production thereof
11/11/2003US6645317 Metal components for picture tubes
11/11/2003US6644962 Heating furnace having heat regenerating burners and operation method thereof
11/11/2003CA2265576C Method and apparatus for heat treating and straightening structural members
11/06/2003WO2003091462A1 Vertical muffle type heat treating furnace
11/06/2003US20030205355 Method of producing steel strip
11/06/2003US20030205304 High-speed tool steel gear cutting tool and manufacturing method therefor
11/06/2003US20030205296 Fe-Ni based permalloy and method of producing the same and cast slab
11/06/2003DE10243191C1 Cooling of hot metal strip after hardening, and especially sawbands, has a number of cooling zones with cooling pads under a protective gas and a final zone under atmospheric conditions
11/06/2003DE10224020C1 Annealing hood, for the heat treatment of semi-finished products and workpieces, has a mantle hood to define a hollow zone for the protective gas with a butt weld to hold the structured flange at its lower edge
11/05/2003EP1359235A1 Thin steel sheet and method for production thereof
11/05/2003EP1359230A1 Production method for steel plate and equipment therefor
11/05/2003EP1359229A1 Device for surface hardening and tempering of metallic work pieces
11/05/2003EP1358963A1 Method for laser thermal processing, in particular hardening, of workpieces
11/05/2003EP1358359A2 Steel and method for producing an intermediate product
11/05/2003EP1201037B1 Method and device for cooling a metal strip
11/05/2003EP1032479B1 Method for producing a metal strip and device for reducing the risk of such a strip breaking
11/05/2003CN1453376A Adiabatic gas for electromagnetic induction heater and vacuum sealing box body
11/05/2003CN1453375A Continuous induction heat treatment process for high-strength finish-rolled spiral steel bar
11/05/2003CN1126932C Composite heel block for billet heating furnace and its manufacturing technology
11/04/2003US6641931 Method of production of cold-rolled metal coated steel products, and the products obtained, having a low yield ratio
11/04/2003US6641780 A ferritic stainless steel having improved high temperature mechanical properties includes greater than 25 weight percent chromium, 0.75 up to 1.5 weight percent molybdenum, up to 0.05 weight percent carbon, and at least one of niobium, titanium
11/04/2003US6641681 Steel having the following chemical composition in weigh-%: 1.0- 1.9 C, 0.5-2.0 Si, 0.1-1.5 Mn, 4.0-5.5 Cr, 2.5-4.0 (Mo+W/2), however max 1.0 W, 2.0-4.5 (V+Nb/2), however max 1.0. Nb, balance iron and impurities in normal amounts in the
11/04/2003US6641680 Process for producing inner race for constant velocity joint having improved workability and strength
11/04/2003US6640598 Heat shields
10/2003
10/30/2003WO2002050322A3 A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property
10/30/2003US20030201584 Annealing apparatus
10/29/2003EP1357308A2 Rolling element bearing with ring or rolling elements made of chromium steel
10/29/2003EP1356247A1 Support for parts to be heat treated in a furnace, and a heat treatment method for metal parts
10/29/2003EP1356128A2 Integrated metal processing facility
10/29/2003EP1356125A1 Method for pre-treating a ring support prior to the alfin process
10/29/2003EP1355866A1 Powers which have an antibacterial and a far infrared ray radiating property and a bio-wave steel plate which is coated with resin containing the same
10/29/2003EP1355747A1 Method for altering the profile of a roller strip
10/29/2003CN1452667A Dualpurpose installation for continuous annealing and hot dip plating
10/28/2003US6639173 Electron beam welding method providing post-weld heat treatment
10/28/2003US6638380 Method for making a cold rolled steel strip for deep-drawing
10/28/2003US6638379 Crankshaft or camshaft, in which the bearing surfaces to be hardened are hardened sequentially with the shaft or axle turning around their longitudinal axis by means of a heating and quenching device, in which the distortion of the shafts or
10/28/2003CA2310521C Pearlitic steel railroad rail
10/23/2003WO2003087419A1 Deformed wire for reinforcing marine optical fiber cable
10/23/2003US20030196776 Method for controlling a continuous strip steel casting process based on customer-specified requirements
10/22/2003EP1355071A1 Rolling bearing for continuously variable transmission
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