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)
06/1998
06/10/1998CN2283656Y Oil furnace for fine casting shell roating
06/10/1998CN2283655Y Car-type heated air circulation heat treating furnace
06/09/1998US5762727 Repairing a steel alloy
06/09/1998US5762724 Wire having pearlite structure and cementite portion with mixed fibrous and granular structure, physical properties
06/09/1998US5762723 Crystal structure of steels made of iron, carbon, silicon and manganese
06/09/1998CA2220608A1 Method of surface hardening a cutting blade and self-sharpening blade
06/04/1998WO1998023397A2 Device for cooling extruded profiles
06/04/1998DE19649073A1 Vorrichtung zur Abkühlung von Strangpreßprofilen Device for cooling extruded
06/03/1998EP0740709B1 Device for cooling the charge protection lid of annealing furnaces
06/02/1998US5759309 Thermal process for selectively hardening track chain links
06/02/1998US5759307 Using pickling solution containing hydrochloric, sulfuric and(or) nitric acids
06/02/1998US5759306 Method for making a steel sheet suitable as a material for can making
06/02/1998US5759299 Steels with bainite structure
06/02/1998US5759294 Process for the production of grain oriented magnetic steel sheets having improved remagnetization losses
06/02/1998US5758420 Process of manufacturing an aneurysm clip
05/1998
05/28/1998WO1998022248A1 Method of bonding two-phase stainless steel
05/28/1998DE19751736A1 Variable displacement compressor for vehicle air conditioning unit
05/28/1998DE19716294C1 Apparatus and method for inductive hardening of profiled camshafts
05/28/1998DE19637968A1 Production of a leaf of a parabolic spring used in the car industry
05/26/1998US5756043 Cast refractory base segments and modular fiber seal system for plural-stack annealing furnace
05/26/1998US5755542 Self-drilling/self-tapping fastener
05/26/1998CA2135098C Selectively adjustable transverse flux heating apparatus
05/20/1998EP0842715A1 Seamless steel pipe manufacturing method and equipment
05/20/1998EP0841994A1 Method and device for operating a continuous casting plant
05/20/1998EP0841993A1 Method and plant for the manufacture of a strip of formable steel
05/20/1998EP0725839B1 Process for annealing items and suitable annealing furnace
05/20/1998DE19750606A1 Heat treatment and tempering of surgical needles
05/20/1998DE19647248A1 Workpiece carrier, unit for removal of workpieces from a roller hearth furnace, and heat treatment installation
05/20/1998CN2281988Y Annealing power source for cable wire and electromagnetic wire
05/19/1998US5752821 Tray for heat treatment furnace
05/14/1998WO1998020180A1 Method for manufacturing high strength and high formability hot-rolled transformation induced plasticity steel containing copper
05/12/1998US5750222 Seamless can with necked-in portion
05/12/1998US5749981 Process for producing patented steel wire
05/12/1998US5749722 Single charge continuous rotary retort furnace with an accessible door
05/12/1998US5749228 Steam-turbine power plant and steam turbine
05/12/1998CA2009120C Steam turbine, rotor shaft thereof, and heat resisting steel
05/06/1998CN1181114A Sprocket and manufacturing method thereof
05/05/1998US5746845 Method for manufacturing high-strength member of precipitation hardening martensitic stainless steel
05/05/1998CA2048097C High-strength, damage-resistant rail
04/1998
04/30/1998DE19716554C1 Method for producing an assembled camshaft
04/29/1998EP0838533A1 Heat resisting alloy for exhaust valve and method for producing the exhaust valve
04/29/1998EP0838308A1 Gear shot peening method and gear
04/29/1998CN1180111A Method for producing Fe-Ni alloy sheet and Fe-Ni alloy shadow mask
04/28/1998US5744773 Resistance heating process and apparatus
04/28/1998US5743125 Hot strip production plant for rolling thin rolled strip
04/28/1998US5743012 Reducing wear between radial side faces of a piston ring groove by alloying and coating ring aluminum alloy piston locally with nickel or cobalt material
04/23/1998WO1998016338A1 Surface densification of machine components made by powder metallurgy
04/21/1998CA2102545C Method for producing low carbon equivalent rolled steel shapes by controlled rolling
04/15/1998EP0835945A1 Hot rolled steel sheet for deep drawing
04/14/1998US5739438 Method for controlling a tension of a metal strip in a heat treatment furnace
04/14/1998US5738739 Method for producing low carbon equivalent rolled steel shapes by controlled rolling
04/14/1998US5738738 Hot rolling, coiling, cold rolling and annealing
04/14/1998US5737975 Built-up camshaft having induction-hardened cams and method of inductively hardening the cams
04/09/1998WO1998014709A1 Method of manufacturing bearing components having rolling surfaces for rolling elements
04/09/1998WO1998014291A1 Sand core removal and casting heat treatment
04/09/1998DE19639933C1 Compact orbital heat treatment furnace
04/09/1998DE19638106C1 Compact orbital heat treatment furnace
04/08/1998EP0705369B1 Rails
04/08/1998EP0453566B1 Steel material cooling control method
04/08/1998CN1178561A Process and apparatus for continously casting sheet metal
04/08/1998CN1178250A Heat treating method and apparatus for producing high duty rails by waste heat from rolling process
04/08/1998CN1178249A Heat treating method for ensembled large size spherical tank
04/08/1998CN1178248A Heat treating apparatus for ensembled large size spherical tank
04/07/1998US5735163 Press working method including step of strengthening local portion of blank
04/07/1998US5735044 Method to repair damage in a gas turbine engine metallic component
04/02/1998DE19711232C1 Treatment of bore surfaces in workpieces
04/01/1998CN1177985A Hot rolled Cr-Ni stainless steel plate of low anisotropy and process for producing the same
04/01/1998CN1177648A PC concrete iron and method for producing same
04/01/1998CN1177644A Method for cooling steel pipe
03/1998
03/31/1998US5733391 Quenching method
03/31/1998US5733116 Heat treatment apparatus
03/31/1998US5732762 Apparatus for heat treating castings containing cores
03/26/1998WO1998012900A1 Device for rotating and simultaneous hardening by electric induction
03/26/1998DE19639298A1 Production process for thin slab with in-line rolling
03/25/1998EP0830462A1 Method for making arcuate coil springs, resulting springs and devices for carrying out the method
03/25/1998EP0771226B1 Process for producing a ski edge
03/25/1998CN1037861C High earthquake resistant building structureal steel and prodn. process therefor
03/24/1998US5731567 Thermal working method of metal material containing helium and thermal working apparatus therefor
03/24/1998US5730930 Method and device for exchanging the atmosphere in a hood-shaped annealing furnace
03/24/1998US5730813 Process for annealing an annealing charge and suitable annealing furnace
03/24/1998US5730812 Method of manufacturing ejector pin sleeves
03/19/1998WO1998011761A1 Induction heaters to improve transitions in continuous heating systems, and method
03/19/1998WO1998011262A1 Wear-resistant camshaft and method of producing the same
03/19/1998WO1998011261A1 Method and apparatus for heat treating and straightening structural members
03/19/1998CA2265562A1 Induction heaters to improve transitions in continuous heating systems, and method
03/19/1998CA2215570A1 Hot-rolled steel sheet for deep drawing
03/18/1998EP0829548A2 Model supported process for controlled cooling of hot rolled strip or thick plate in a computer controlled rolling and cooling process
03/18/1998EP0829547A2 Process for producing patented steel wire
03/18/1998EP0829315A1 Device for water cooling rolled sections
03/18/1998EP0828863A1 Preparation of pre-coated aluminum alloy articles
03/18/1998EP0828862A1 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles
03/18/1998CN1176668A Primary cooling method in continuously annealing steel strip
03/18/1998CN1176667A Continuously annealed soft temper blackplates for drawn and ironed cans and deep drawn vessels, and manufacturing method therefor
03/16/1998CA2209469A1 Process for producing patented steel wire
03/12/1998WO1998010112A1 Age hardenable alloy with a unique combination of very high strength and good toughness
03/12/1998WO1998010104A1 Process for the production of grain oriented electrical steel strip starting from thin slabs
03/12/1998DE19636049A1 Annealed workpiece quenching
03/12/1998DE19635257C1 Compact orbital heat treatment furnace
03/11/1998EP0828009A1 Steel tire cord with high tensile strength
03/11/1998CN2276024Y Electric furnace for roasting refined casting shell
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