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)
11/1998
11/18/1998CN1040776C Cold-rolled steel sheet having excellent workability and process for producing same
11/17/1998US5837187 Heat treatment apparatus for solution annealing aluminum alloy components
11/17/1998US5836759 Pusher furnace drop-out conveyor
11/17/1998US5836374 Chill plate and stacked mold
11/11/1998EP0876870A1 Device and process for laser treatment of the internal surface of a cylinder for an internal combustion engine
11/11/1998EP0876515A1 Drawing stock for reinforcing plastic or rubber articles
11/11/1998EP0750683B1 Process for influencing the changes in size and shape of workpieces during hardening
11/11/1998CN1198687A Method and device for producing a honeycombed body of heat-treated two or multilayered metal foils
11/11/1998CN1040661C Vertical bright annealing furnace for continuous heat treatment of metal strips
11/11/1998CN1040660C Method for making bainite steel rail with high strength and good performance of anti-rolling-endurance-failure
11/10/1998US5833918 Heat treatment by plasma electron heating and solid/gas jet cooling
11/10/1998US5833768 Decarburization annealing process including a pretreatment rapid heating/cooling sequence carried out in non-oxidizing atmosphere to inhibit fayalite crystal growth and preferentially crystallize forsterite
11/10/1998US5833455 Dry roll furnace arrangement
11/05/1998DE19741028C1 Apparatus for hardening inner contour of weapon barrel by laser radiation
11/04/1998EP0875304A2 Method and cooling aggregate for cooling rolling stock at rolling-temperature, especially hot wide strip
11/04/1998EP0874917A1 Process and apparatus to enhance the paintbake response and aging stability of aluminum sheet materials and product therefrom
11/03/1998US5830535 Process for producing a ski edge
11/03/1998US5830293 Shock cooling to form martensitic surface layer
11/03/1998US5830290 Method for the manufacture of a spring band clip
11/03/1998US5830286 Steel rail having excellent wear resistance and internal breakage resistance, and method of producing the same
11/03/1998US5830095 Sprocket and manufacturing method thereof
11/03/1998US5829166 For an air-treatment device
10/1998
10/29/1998WO1998048061A1 Heat treatment of steel
10/29/1998WO1998047648A2 Low-alloy cast iron tappet, apparatus, and process for its manufacturing
10/29/1998WO1998023397A3 Device for cooling extruded profiles
10/28/1998EP0874061A1 Method for batch annealing of austenitic stainless steels
10/28/1998CN1196990A Welf repair process and article repaired thereby
10/27/1998US5827588 Workpiece having a laser heat-treated surface formed by a small diameter bore extending in workpiece
10/27/1998US5826818 Compact strip processing facility
10/21/1998EP0871786A1 A method and an apparatus for the treatment of components by a gas mixture
10/21/1998EP0871553A1 Heat treatment for lost foam cast materials
10/21/1998CN2294959Y Flow-jetting heat-exchanging U-shape coal-gas radiation tube
10/21/1998CN1196397A Low carbon high-strength toughness steel band and manufacturing technology thereof
10/21/1998CN1040343C Sheet steel excellent in flanging capability and process for producing same
10/21/1998CN1040340C Heat treatment technique for whole spring core of mattress
10/21/1998CN1040339C Automatic quenching machine for vehicle spring steel plate
10/20/1998US5824166 Intermetallic alloys for use in the processing of steel
10/20/1998US5823766 Furnace installation as intermediate storage downstream of a thin-slab casting installation
10/15/1998WO1998045495A1 Steel and process for the manufacture of a part for ball bearing
10/15/1998WO1998045494A1 Coated seizure-hardening type cold-rolled steel sheet having excellent aging resistance and method of production thereof
10/15/1998WO1998045487A1 Apparatus and method for cooling hot rolled steel rod
10/15/1998DE19704871C1 Hardening hollow cold extruded steel shaft
10/15/1998CA2286380A1 Steel and process for the manufacture of a part for ball bearing
10/14/1998EP0870848A1 Niobium containing steel and process for making flat products from this steel
10/14/1998CN2294438Y Bell cover type annealing furnace sealing device
10/14/1998CN2294265Y Horizontal main set of metallic sparepart surface modification machine
10/14/1998CN1040232C Methd for heat treatment of rail
10/13/1998US5821686 Inner-shield material to be attached inside a color cathode ray tube
10/13/1998US5821500 Process for manufacturing welding wire
10/13/1998US5821000 Actuator for automobile oil controlling device; martensite stainless steel comprising nickel, carbon, manganese, nitrogen, chromium, silicon, niobium
10/13/1998US5820704 Process for the continuous production of a rolled stainless steel sheet strip and continuous production line for carrying out the process
10/13/1998US5820703 Hot rolling steel slab then converting to hot coil, cutting coil to form a cylindrical shape
10/13/1998US5820699 Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance
10/13/1998US5820364 Reheat furnace apparatus and method of use
10/08/1998WO1998043834A1 Method for improving the properties of railway wheels and railway wheel
10/08/1998DE19724319C1 Influencing characteristics of chip flow from tool surfaces
10/07/1998EP0869196A2 Cast cold tool and method for producing the same
10/07/1998EP0869191A2 Muffle for heat treating furnace
10/07/1998CN1195033A Rolling member and rolling device comprising same
10/07/1998CN1040130C Apparatus for cooling of metallic belt
10/06/1998US5816088 Surface treatment method for a steel workpiece using high speed shot peening
10/01/1998WO1998042885A1 Process for quenching heat treatable metal alloys
10/01/1998WO1998042882A1 Method for making an electric sheet steel with oriented grains for the manufacture of transformer magnetic circuits in particular
10/01/1998WO1998042881A1 Hot-rolling steel strip
10/01/1998DE19712616A1 Warmwalzen von Stahlband Hot rolling of steel strip
10/01/1998CA2284926A1 Process for quenching heat treatable metal alloys
10/01/1998CA2284635A1 Hot-rolling steel strip
09/1998
09/30/1998EP0867522A2 High toughness heat-resistant steel, turbine rotor and method of producing the same
09/30/1998CN1194669A Widthwise uniform cooling system for steel strip in continuous steel strip heat treatment step
09/30/1998CN1194194A Flat steel wire for producing piston ring and its production and use
09/30/1998CN1040028C Heat treatment method of point tongue
09/29/1998US5814166 Process for heat treating and tempering surgical needles
09/29/1998US5813962 Forged roll for rolling a seamless steel pipe
09/24/1998WO1998041664A1 Dual-phase high-strength steel sheet having excellent dynamic deformation properties and process for preparing the same
09/24/1998WO1998041663A1 High-performance rolling bearings or rolling components
09/24/1998WO1998041661A1 Steel band heat-treating apparatus by gas jet stream
09/24/1998WO1998041660A1 Process for the inhibition control in the production of grain-oriented electrical sheets
09/24/1998WO1998041659A1 Process for the inhibition control in the production of grain-oriented electrical sheets
09/24/1998WO1998041356A1 Method and device for treating the surfaces of component bores
09/23/1998EP0865507A1 Edge hardening of chain saw guide bars
09/23/1998EP0763140A4 Method of increasing the yield strength of cold formed steel sections
09/22/1998US5811918 Shadow mask of the nickel-iron type having specific composition
09/22/1998US5810950 Annealing a low carbon, austenitic steel sheet in nitrogen or nitrogen and hydrogen to reduce the thickness of the oxide surface layer and to precipitate aluminum nitride particles to effect easy peeling
09/22/1998US5809643 Method for making piston rings
09/22/1998CA2060044C Method for making a steel sheet useful in making a high strength drawn and ironed can
09/17/1998WO1998040893A1 Fuel rod cladding tube for a boiling water reactor fuel rod and the production thereof
09/17/1998WO1998040180A1 A steel and a heat treated tool thereof manufactured by an integrated powder metallurgical process and use of the steel for tools
09/16/1998EP0864659A1 Steel blade for agriculture and forestry and a process for making this blade
09/16/1998EP0864519A1 Apparatus to guide webs in a floating manner
09/16/1998EP0864518A1 Bed of air cushion nozzles to guide webs in a floating manner
09/16/1998CN1193293A Ultra-thin steel sheet and mfg. method therefor
09/11/1998WO1998038918A1 Systems for percutaneous bone and spinal stabilization, fixation and repair
09/11/1998CA2283190A1 Systems for percutaneous bone and spinal stabilization, fixation and repair
09/09/1998EP0863323A1 Method of manufacturing bearing components having rolling surfaces for rolling elements
09/09/1998EP0863029A2 High strength steel sway bars and method of making
09/09/1998EP0862496A1 Method and device for producing a honeycombed body of heat-treated two or multilayered metal foils
09/09/1998CN1192482A Stainless steel wire and mfg. process
09/09/1998CN1192481A Cold rolled steel plate having excellent deep drawability and time limitation resistance, and method for mfg. same
09/09/1998CN1039725C High strength high toughness spring steel, and mfg. process therefor
09/09/1998CN1039724C Stainless steel sheet and method for producing same
1 ... 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 ... 301