Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
02/2003
02/27/2003US20030037849 Heating surface layers of steel parts with a high frequency or ultra-high frequency to generate difference in temperature between surface layers and interiors of the parts, the heating effective for causing distortion in lattices
02/26/2003EP1285972A1 Process for hot-dip galvanising of high-strength steel strips
02/26/2003EP1285101A1 Electroplating annealed thin sheets and method for producing the same
02/26/2003EP1285098A1 Method and device for induction hardening crankshafts
02/26/2003CN1398993A Bearing steel ball surface reinforcing process
02/26/2003CN1102180C Wire materials with high drwable property and manufacture thereof
02/25/2003US6524036 Method for influencing the behavior of swarf flow on tool surfaces
02/25/2003US6523841 Twist-beam axle for motor vehicles
02/25/2003US6523676 Continuous treatment apparatus
02/20/2003US20030035747 Sintering, carburizing
02/20/2003US20030034593 Method and device for manufacturing a hot rolled steel strip
02/20/2003US20030034100 Cold rolling; tensile strength, ductility, hardening
02/20/2003DE10141311C1 Support used for heat treating wire bundles in a bell type furnace comprises a base plate and uprights having supports with intermediate plates with support elements
02/19/2003CN1101926C Annealing base for hood-type annealing furnaces
02/19/2003CN1101857C Method for producing raw plate for surface treatment plate for can using continuous annealing
02/19/2003CN1101856C Formed rolled piece and mfg. method thereof
02/13/2003WO2003012151A1 Method for cooling work pieces especially shape-rolled products from rail steel
02/13/2003US20030031973 Ceramic core spacer blocks for high temperature preheat cycles
02/13/2003US20030029525 Rolling bearing
02/13/2003DE10129900C1 Verfahren zur Wärmebehandlung eines Kaltbandes mit einer Oberflächenbeschichtung aus Ni und/oder Co, durch das Verfahren herstellbares Blech und durch das Verfahren herstellbarer Batteriebecher A method of heat treatment of a cold strip with a surface coating of Ni and / or Co, producible by the method and sheet producible by the method of battery cans
02/12/2003EP1283275A1 Fe-Ni based permalloy and method of producing the same and cast slab
02/12/2003CN1396277A Process for strengthening steel crankshaft of engine
02/12/2003CN1396276A Step-type smoke-isolating furnace for both annealing and enamelling fire
02/12/2003CN1396040A Technology for making cutting tool with high-speed steel and low-carbon steel
02/11/2003US6517644 Rolling bearing and method manufacturing the same
02/11/2003US6517079 Gas seal for continuous thermal treatment facilities operated with a protective gas atmosphere
02/11/2003CA2297469C High strength spring steel
02/06/2003WO2003010351A1 Multi-phase steel sheet excellent in hole expandability and method of producing the same
02/06/2003WO2003010344A1 Ceramic core spacer blocks for high temperature preheat cycles
02/06/2003WO2003009978A1 Composite utility knife blade, and method of making such a blade
02/06/2003US20030027097 Metal frame for metal coils to be heat-treated
02/06/2003US20030027095 Heating furnace with regenerative burners and method of operating the heating furnace
02/06/2003US20030024610 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
02/06/2003CA2454806A1 Ceramic core spacer blocks for high temperature preheat cycles
02/05/2003EP1281782A1 Hot rolled wire or steel bar for machine structural use capable of dispensing with annealing, and method for producing the same
02/05/2003EP1281777A1 Rolled h-shaped steel having uniform microstructure and uniform mechanical properties and method for producing the same
02/05/2003EP1281458A1 Cooling drum for continuously casting thin cast piece and fabricating method and device therefor and thin cast piece and continuous casting method therefor
02/05/2003CN1394969A Laser surface hardening process of gear
02/05/2003CN1100885C Method for mfg. cold rolled steel sheet excellent in resistance to natural aging and panel properties
02/05/2003CN1100642C Weld repair process and articles repaired thereby
02/04/2003US6515250 Electric joining method and apparatus and a joined unit of members
02/04/2003US6514455 Heating apparatus of a workpiece of distorted shape, and a quenching apparatus for simultaneous operation of multiple cams and a quenching method for the same
02/04/2003CA2245950C Pusher furnace drop-out conveyor
01/2003
01/30/2003WO2003008653A1 Oil composition for heat treatment of gear and gear treated therewith
01/30/2003WO2003008124A1 Method of producing coils of sheet metal and the spacer designed to implement said method
01/30/2003WO2003008121A1 Structural body and method for cold rolling
01/30/2003US20030019332 Composite utility knife blade, and method of making such a blade
01/30/2003US20030019111 Composite utility knife blade, and method of making such a blade
01/29/2003EP1279847A1 Rolling bearing
01/29/2003EP1278692A1 Device for guiding a metal strip on a gas cushion
01/29/2003EP1208243B1 Method for hardening at least one surface of a component wall and a device for carrying out said method
01/29/2003EP0763603B1 Sealing device for zone outlet/inlet of atmosphere equipment
01/29/2003CN1394238A Sintered sprocket
01/29/2003CN1393303A Method for manufacturing chain
01/29/2003CN1393302A Method for manufacturing chain
01/29/2003CN1100151C Method for heat-treating hollow cylindrical workpiece
01/29/2003CN1099921C Method and apparatus for suppressing formation of skin oxide default at heat finishing rolling
01/29/2003CN1099920C Method and apparatus for suppressing formation of surface film oxide at heat finishing rolling
01/28/2003CA2142924C Steam-turbine power plant and steam turbine
01/23/2003WO2003007316A2 Method for producing nanocrystalline magnet cores, and device for carrying out said method
01/23/2003WO2003006699A1 High strength steel pipe having strength higher than that of api x65 grade
01/23/2003US20030015571 Method for continuous high-speed welding of double-ply metal tubes and welding furnace for performing the same
01/23/2003US20030015264 Wire rod or bar is made from a steel consisting of, in weight, 0.1 to 0.5% of carbon, 0.01 to 0.5% of silicon, 0.3 to 1.5% of manganese and the balance is iron and impurities and containing stregnthening elements as required
01/23/2003US20030015263 A cold-rolled steel sheet having excellent strain age hardenability comprising, by mass %, carbon 0.15%, silicon 1.0% or less, manganese 2.0% or less, sulfur 0.01 or less, aluminum 0.005 to 0.030% and nitrogen 0.0050 to 0.0400%,
01/23/2003US20030015262 An oxide layer of an iron/chromium oxide series is formed at a thickness of from 1 to 1000 nm to at least one of raceway surface of bearing rings, which can inhibit hydrogen formed by decomposition of water incorporated in lubricants
01/22/2003EP1277238A2 Device and method for tempering several process goods
01/22/2003EP1276915A1 Rolling bearing component
01/22/2003CN2532084Y Steel bloom clamping feeder for heating-furnace
01/22/2003CN1392342A Method for producing compressor base plate
01/22/2003CN1392282A High precision temperature control method for continuous heat treatment of IC bonding wire
01/21/2003US6508976 Apparatus for generating an artificial atmosphere for the heat treating of materials
01/21/2003US6508893 Subjecting Iron-nickel-manganese based alloy to a hot rolling process wherein the rate of distortion during each pass of hot rolling is below 70/second resulting in the alloy having reduced rate of crack formation during hot rolling
01/21/2003US6508892 Uniform aperture diameter
01/21/2003CA2254250C Hardened steel pin, pin and washer fastener, washer for fastener, and pin-making method
01/21/2003CA2244029C Method of manufacturing helical springs
01/16/2003WO2003004708A1 Method for strengthening a steel channel member
01/16/2003WO2003004232A1 Method for increasing the shearing resistance in disk chipper knife mounting clamps and a disk chipper equipped with such knife mounting clamps
01/16/2003US20030010414 Steel with improved impact penetration resistance and method for producing the same
01/15/2003EP1275746A2 Shaving articles formed from geometrically articulated amorphous metal alloys and processes for their production
01/15/2003EP1275745A1 Low-alloy heat-resistant steel, process for producing the same, and turbine rotor
01/15/2003EP1275740A1 Heating furnace with regenerative burners and method of operating the heating furnace
01/15/2003EP1275434A2 Apparatus and method for making uniformly sized and shaped spheres
01/15/2003EP1274868A1 Method for the production of a part of a rolling bearing
01/15/2003CN1391617A Method for fabricating vehicle components and new use of precipitation hardenable martensitic stainless steel
01/15/2003CN1391517A Production of heat resistant alloy with good high temperature oxidation resistance
01/15/2003CN1391022A Ultrahigh-strength sleeved petroleum pipe with special jointer for resisting squeeze and its making method
01/15/2003CN1391021A Sleeved petroleum pipe resisting CO2 corrosion and its making method
01/15/2003CN1391020A Medium-strength sleeved petroleum pipe for hot recovery well of thick oil and its making method
01/15/2003CN1390961A Process for annealing high-purity aluminium foil with strong cubic texture for electrolytic capacitor
01/14/2003US6506048 Apparatus and method for transferring heat treated parts
01/14/2003CA2090344C Process to prevent the formation of adhesives when annealing steel band
01/09/2003WO2003002777A1 Nonoriented electromagnetic steel sheet
01/09/2003US20030005986 Ultra-high strength cold rolled steel sheet and method for manufacturing the same
01/09/2003US20030005985 Method for strengthening a steel channel member
01/09/2003DE19937271C2 Verfahren zur Herstellung von tiefzieh- oder abstreckziehfähigem, veredeltem Kaltband, sowie Kaltband, vorzugsweise zur Herstellung von zylindrischen Behältern und insbesondere Batteriebehältern A process for the production of deep-drawing or abstreckziehfähigem, refined cold rolled strip, and cold-rolled strip, preferably for the production of cylindrical containers and in particular containers battery
01/08/2003EP1273824A1 Drive belt, method for manufacturing a continuous band thereof and continuously variable transmission wherein such is utilised
01/08/2003EP1273670A1 Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation
01/08/2003EP1042517B1 Loading device for supporting parts to be thermally treated in a furnace
01/08/2003EP1034314B1 Device for electro-inductive hardening of bearing surfaces and transition radii in crankshafts
01/08/2003CN1098136C Method for producing steel rolling bearing rings