Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
12/2004
12/16/2004US20040253561 Method and a skid member for reducing temperature difference in a heating subject and a skid apparatus using them
12/16/2004US20040250931 Eglin steel - a low alloy high strength composition
12/16/2004US20040250930 Super formable high strength steel sheet and method of manufacturing thereof
12/15/2004EP1486580A1 Atmosphere corrosion resisting steel plate having high strength and excellent bending formability and method for production thereof
12/15/2004EP1486573A1 Process and device for cooling a moving metallic strip
12/15/2004EP1486572A1 Apparatus for induction hardening
12/15/2004EP1485511A2 High-resistant, low-density hot laminated sheet steel and method for the production thereof
12/15/2004EP1485509A1 Method for cooling metal strips or plates and cooling device
12/15/2004EP1485207A1 Device for homogeneous impingement of a planar surface of a tool with a heated gas
12/15/2004EP1344439A4 A high strength steel plate having superior electric and magnetic shielding property, and method making the same
12/15/2004EP1261748A4 Bar product, cylinder rods, hydraulic cylinders, and method for manufacturing
12/15/2004EP1060276B1 Device for hardening cylindrical bearing points of a shaft
12/15/2004CN2663447Y Sharpening and strengthening apparatus for fibre striking and carding element
12/15/2004CN2663430Y Quenching manipulator for automotive axle housing tube
12/15/2004CN1555421A Device for quenching and tempering long-length rolling stock
12/15/2004CN1555420A Method for producing a metal strip from an iron-nickel alloy for tensioned shadow masks
12/15/2004CN1554781A Cooling method for non quenched and tempered steel engine crank shaft after forging
12/15/2004CN1554780A Tempering process for non quenched and tempered steel engine crank shaft
12/15/2004CN1554779A Judging metod for tempering temperature after non modified steel crank shaft medium frequency quenching
12/15/2004CN1180097C Hardening method and device for steel rail
12/15/2004CN1180096C High resistance steel band or sheet and method for production theirof
12/15/2004CN1179815C Welding method of iron-base superfine microcrystal material and structure member made by said method
12/14/2004US6830634 Heat treatment in channel with transverse projection for heat contact
12/09/2004WO2004106574A1 Steel bar for steering rack, method for producing the same, and steering rack using the same
12/09/2004WO2004106571A1 High strength thin steel sheet excellent in resistance to delayed fracture after forming and method for preparation thereof, and automobile parts requiring strength manufactured from high strength thin steel sheet
12/09/2004WO2004069453A3 Refractory metal annealing bands
12/09/2004US20040248657 Constant velocity universal joint and method of manufacturing the same
12/09/2004US20040247216 Rolling bearing, cam-follower with roller, and cam
12/09/2004US20040244886 Method and device for cooling steel sheet
12/09/2004US20040244885 Steel sheet for vitreous enameling and method for producing the same
12/09/2004US20040244884 Hot rolling; annealing; cold rolling; controlling particle size, distribution of precipitates
12/09/2004US20040244883 Method for producing oil temper wires
12/09/2004US20040244882 Reinforcement welding using ultrasonic IMPACTING
12/09/2004US20040244873 Alloy containing iron, silicon, manganese. nickel, chromium and molybdenum; cold rolling, then nitriding
12/09/2004DE10325986B3 Verfahren zum Randzonenhärten eines einteiligen Werkstücks A method of curing a one-piece rim workpiece
12/09/2004DE10323746A1 Metallic component repair method for car body, involves defining part to be repaired with separation area which has lower hardness than construction component
12/09/2004DE10323737A1 Quenching steel shaft after heat treatment comprises immersing steel shaft in quenching bath with quenching medium, and circulating quenching medium around steel shaft at specified flow speed
12/09/2004CA2527119A1 Steel bar for steering rack, method for producing the same, and steering rack using the same
12/08/2004EP1484521A1 Constant velocity universal joint and method of manufacturing the same
12/08/2004EP1484517A2 Rolling bearing, cam follower with roller, and cam
12/08/2004EP1484424A1 Ferritic stainless steel sheet excellent in press formability and secondary formability and its manufacturing method
12/08/2004EP1484423A1 Steel plate subjected to heat treatment and process for producing the same
12/08/2004EP1484419A2 Procedure for manufacturing carburized steel strips
12/08/2004EP1374655A4 A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property
12/08/2004CN1554217A A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property
12/08/2004CN1553966A Hot-rolled steel sheet with good ultra low temperature toughness and the method of producing the same
12/08/2004CN1179056C Method for preheating metal strip in galvanizing and furnace therefor
12/07/2004US6828285 Oil composition for heat treatment of a gear and gear treated by using the oil composition
12/07/2004US6826940 Method of metal and alloy billet treatment
12/07/2004CA2314143C Gas seal for continuous thermal treatment facilities operated with a protective gas atmosphere
12/02/2004WO2004104255A1 Tube d'acier pour systeme de coussin de securite gonflable et procede de production associe
12/02/2004WO2004104237A1 Coil winding method for metal in bars
12/02/2004WO2004103595A1 Device for warming a metal strip and systems for producing hot-rolled metal strips, fitted with said type of device
12/02/2004US20040241035 Controlling particle size
12/02/2004US20040239019 Continuous vacuum carburizing furnace
12/02/2004US20040238084 High tensile hot rolled steel sheet excellent in shape freezing property and endurance fatigue characteristics after forming
12/02/2004US20040238083 High strength cold rolled steel sheet with superior formability and weldability, and manufacturing method therefor
12/02/2004US20040238081 Steel plate exhibiting excellent workability and method for producing the same
12/02/2004US20040238080 Ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
12/02/2004US20040238079 Stainless-steel pipe for oil well and process for producing the same
12/02/2004US20040238078 Heat treatment method for a cold-rolled strip with an ni and/or co surface coating, sheet metal producible by said method and battery can producible by said method
12/02/2004US20040238074 Cold-formed spring having high fatigue strength and high corrosion fatigue strength, steel for such spring, and method of manufacturing such spring
12/02/2004DE102004023031A1 Verfahren und Vorrichtung zum Kühlen bzw. Abschrecken von Brammen und Blechen mit Wasser in einem Kühlbecken Method and apparatus for cooling or quenching slabs and sheets with water in a cooling basin
12/01/2004EP1482060A1 Continuous vacuum carburizing furnace
12/01/2004EP1481753A1 Reduced mist laser shock peening
12/01/2004EP1481109A1 Use of chrome steel as raw material for corrosion-resistant spring elements and method for producing said chrome steel
12/01/2004EP1481102A1 Method of heat treatment of stainless steel.
12/01/2004EP1368504A4 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
12/01/2004CN1550684A 动力传递轴 Power transmission shaft
12/01/2004CN1550565A High-strength stainless steel sheet and method for manufacturing the same
12/01/2004CN1550564A High strength Fe-Ni-Co series alloy for shadow mask
12/01/2004CN1550281A Electron beam welding method providing post-weld heat treatment
11/2004
11/30/2004US6824625 Magnetostriction control alloy sheet, a part of a braun tube, and a manufacturing method for a magnetostriction control alloy sheet
11/30/2004CA2142825C Apparatus and method for precision gear finishing by controlled deformation
11/25/2004WO2004101846A1 Cutting tool for metalworking as well as method in the production of cutting tools
11/25/2004US20040235576 Screw with a partially hardened functional tip and process for the production thereof
11/25/2004US20040235575 Power transmission shaft
11/25/2004US20040234180 Rolling, sliding part and process for producing the same
11/25/2004US20040231763 Obtaining a fine-lamellar perlite structure in the edge region of the rail heads by specific heat treatment during cooling from the rolling heat without the formation of bainite; temperature of the more intensively cooled edge region is raised by intermediate heating to at least the core temperature
11/25/2004US20040231762 Heat treated while inside the press; the sheet is unwound from a coil, heated to above its transformation point, pressed, cooled to below its crystalline-transformation point, and separated
11/25/2004US20040231393 High tensile hot-rolled steel sheet excellent in resistance to scuff on mold and in fatigue characteristics
11/25/2004DE10361694A1 Verfahren zum Herstellen eines Strukturträgers eines Fahrzeugs A method of producing a structural beam of a vehicle
11/24/2004EP1479926A2 Power transmission shaft
11/24/2004EP1479784A1 Method for producing a formed component
11/24/2004CN1549865A Heat treatment apparatus, heat treatment method, medium on which heat treatment program is recorded, and steel product
11/24/2004CN1549759A Composite utility knife blade, and method of making such a blade
11/23/2004US6821364 High speed, slow speed cooling; high strength, ductility
11/23/2004US6821363 Preventing toughness loss; filling liquid into gaps and heating while simultaneously spray cooling opposite side
11/23/2004US6821362 Tool with coiled blade; plasma electric arc welding
11/23/2004US6821360 Heat treatment comprising the steps of normalizing the heat resistant steel, and oil-cooling the normalized heat-resisting steel to a temperature of <300 degrees c.; high heat resistance and mechanical strength; steam turbine rotors
11/23/2004US6821358 Ferritic stainless steel which can be used for ferromagnetic parts
11/23/2004US6821224 Drive belt, method for manufacturing a continuous band thereof and continuously variable transmission wherein such is utilized
11/23/2004CA2224496C Heating method and apparatus
11/18/2004WO2004098804A1 Method and device for cooling or quenching slabs and sheets with water in a cooling pond
11/18/2004US20040228562 Caged roller assembly
11/18/2004US20040228561 Differential support structure, differential's component, method of manufacturing differential support structure, and method of manufacturing differential's component
11/18/2004US20040226634 High-strength stainless steel sheet and method for manufacturing the same
11/18/2004US20040226633 hot rolling; cold rolling; cleaning; fixing spacer; coiling
11/18/2004US20040226632 induction heating using heater coil; cooling; elongated metal article for motor vehicle suspension
11/17/2004EP1477575A1 Cutting tool for metalworking as well as method in the production of cutting tools