Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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01/07/2009 | CN201176451Y Tank-free high-efficiency energy-conserving annealing special furnace for waste reinforcing wire |
01/07/2009 | CN201176450Y Step rotating type clamp for processing tight multi-circle spiral spring |
01/07/2009 | CN101341263A Link chain excellent in low-temperature toughness and method for heat treatment thereof |
01/07/2009 | CN101338360A Novel heat treatment method for 65Mn,T8A spring steel band |
01/07/2009 | CN101338357A Hydraulic multicylinder high precision synchronous control system for implementing roller quenching machine |
01/07/2009 | CN100449027C High strength abrasion resistant steel and method for producing the same |
01/07/2009 | CN100449026C Steel wire for spring |
01/07/2009 | CN100449025C Material of case for storage cell |
01/07/2009 | CN100449008C Saw blade quenching machine |
01/07/2009 | CN100449007C Roller table roll, particularly for conveying furnace-heated metallic strip material |
01/06/2009 | CA2290949C Continuous heat treating furnace and atmosphere control method and cooling method in continuous heat treating furnace |
01/02/2009 | DE102007039385B3 Verfahren zur lokalen Festigung von Eisenbahnradsätzen A method for strengthening local railway wheelsets |
01/02/2009 | DE102007039279B3 Wärmebehandlung von flexibel gewalztem Band Heat treatment of flexibly rolled strip |
01/02/2009 | DE102007029302A1 Continuous furnace for soldering workpieces, comprises a conveyer belt on which the workpieces to be soldered or heat-treated are transported through the furnace, a tub like lower area and upper area, and an inlet and outlet opening |
01/01/2009 | US20090000709 Method for producing high chromium seamless pipe or tube |
01/01/2009 | US20090000708 Method for manufacture of complex heat treated tubular structure |
01/01/2009 | US20090000703 Ferritic stainless steel sheet superior in shapeability and method of production of the same |
12/31/2008 | WO2009000751A1 Method for the heat treatment of castings using an air quench and system for implementing the method |
12/31/2008 | WO2009000387A1 Process for hot rolling and for heat treatment of a steel strip |
12/31/2008 | WO2008129173A3 Method and device for the industrial thermal treatment of elongated mechanical parts in a barrel furnace |
12/31/2008 | WO2008127084A3 A seamless steel tube for work-over riser and method of manufacturing |
12/31/2008 | EP2009130A1 Process for producing alloyed hot-dip zinc-coated steel sheet satisfactory in processability, non-powdering property, and sliding property |
12/31/2008 | EP2009126A1 Bead wire having light weight and excellent drawability, method for production of the bead wire, and lightweight tire |
12/31/2008 | EP2009120A2 Use of an extremely resistant steel alloy for producing steel pipes with high resistance and good plasticity |
12/31/2008 | EP1711639B1 Method for producing a three-dimensionally formed armouring component for vehicle bodies |
12/31/2008 | EP1664563B1 Method for producing joint components having an improved resistance to wear and tear |
12/31/2008 | CN201173692Y Integral device for metal and alloy pressurized sintering and quenching |
12/31/2008 | CN201172675Y Furnace bottom of silicon steel heating furnace |
12/31/2008 | CN201172674Y Inner water-spraying device for cooling steel tube |
12/31/2008 | CN201172669Y Induction apparatus with magnetic conductor for intermediate-frequency quenching |
12/31/2008 | CN201172076Y Tape trailer compressing device |
12/31/2008 | CN101336308A High-strength hot-dip zinced steel sheet excellent in moldability and suitability for plating, high-strength alloyed hot-dip zinced steel sheet, and processes and apparatus for producing these |
12/31/2008 | CN101333663A Technological process for reducing deformation of gear in process of nitridation heat treatment |
12/31/2008 | CN101333631A Austenitic stainless steel clad tube and technique of preparing the same |
12/31/2008 | CN101333630A Wire-winding screw and method for preparing same |
12/31/2008 | CN101333596A Furnace construction of fluidized bed furnace for quenching steel wire of steel wire tire cord |
12/31/2008 | CN101333595A Mounting structure of combustor of fluidized bed furnace for quenching steel wire of steel wire tire cord |
12/31/2008 | CN101333594A Cooling device of fluidized bed furnace for quenching steel wire of steel wire tire cord |
12/31/2008 | CN101333593A Low level sand returning machine in fluidized bed furnace for quenching steel wire of steel wire tire cord |
12/31/2008 | CN101333592A Pre-pumped vacuum quenching in sealed box resistance furnace |
12/31/2008 | CN101333591A Pushing-bar type continuous vacuum tempering and annealing multi-purpose furnace |
12/31/2008 | CN101333589A Method for nonoxidizing heating thin steel plate and special heating furnace |
12/31/2008 | CN101332477A Manufacturing method of semiconductor silicon aluminum bonding lines |
12/31/2008 | CN100447417C Production process of high-purity plunger piston |
12/31/2008 | CN100447275C High-strength invar alloy and its alloy wire rod production method |
12/31/2008 | CN100447274C Particle reinforced steel-base composite material roller by in-situ synthesis and process for preparing same |
12/31/2008 | CN100447261C Continuous annealing furnace to utilize afterheat of strip steel in the same casing |
12/31/2008 | CN100447260C Quick cooling test plant for disk type band steel, and method of use |
12/31/2008 | CN100447259C Automatically controlled large saw blade heat treatment device |
12/31/2008 | CN100447258C Orthodontic arch filament forming method and apparatus |
12/31/2008 | CN100446894C Production of thin steel strip |
12/30/2008 | CA2389281C Method for fabricating vehicle components and new use of a precipitation hardenable martensitic stainless steel |
12/25/2008 | US20080314481 High-Strength Steel for Seamless, Weldable Steel Pipes |
12/24/2008 | WO2008156195A1 Ferritic stainless steel sheet having excellent corrosion resistance against sulfuric acid, and method for production thereof |
12/24/2008 | WO2008154680A1 Treatment of railway wheels |
12/24/2008 | WO2008125964A3 Method for producing a crankshaft, in particular for diesel engines |
12/24/2008 | EP2006398A1 Process for producing steel material |
12/24/2008 | EP2004871A1 Method for the heat treatment of a profile, device for the heat treatment of a profile and profile |
12/24/2008 | EP1579463A4 Method for increasing the copper to superconductor ratio in a superconductor wire |
12/24/2008 | DE102007029305A1 Einspritzventil, Verfahren zu dessen Herstellung und Vorrichtung zur Durchführung des Verfahrens Injection valve, process for its production and device for carrying out the method |
12/24/2008 | CN201169609Y Intermediate frequency induction automatic heating mechanical device of bearing steel tube billet |
12/24/2008 | CN201169608Y Band steel normalizing continuous annealing oven water cooling section |
12/24/2008 | CN201169607Y Large-scale cold roller surface heat-treatment equipment |
12/24/2008 | CN201169606Y Steel tube induction normalizing and heat refining interchange apparatus |
12/24/2008 | CN201169605Y Mobile chamber type annealing stove |
12/24/2008 | CN201169604Y Mobile cover-type annealing furnace |
12/24/2008 | CN201169603Y Steel cylinder float-proof quenching machine |
12/24/2008 | CN101331244A High strength steel wire with excellent ductility and manufacturing method of the same |
12/24/2008 | CN101331243A High strength steel sheet for good wire drawability property and the method thereof |
12/24/2008 | CN101328966A Method for manufacturing hydraulic wrench square head shaft |
12/24/2008 | CN101328559A Steel for low yield ratio petroleum case pipe, petroleum case pipe and manufacturing method thereof |
12/24/2008 | CN101328534A Method for preparing sheet-like nanocrystalline Fe-based alloy microwave absorbing agent |
12/24/2008 | CN101328533A Cold rolling work roll rod-like integral induction heating quenching device |
12/24/2008 | CN101327877A Band steel running deviation control device |
12/24/2008 | CN100445498C High-strength steel mesh for use in concrete and its making method |
12/24/2008 | CN100445024C Method for processing high speed steel screw tap |
12/24/2008 | CN100445021C Welding repair method for specific steel and its welding wire |
12/24/2008 | CN100444980C Rolling process of brake steel splint for speed reducer in large railway vehicle |
12/24/2008 | CA2691713A1 Treatment of railway wheels |
12/18/2008 | WO2008153183A1 Process for manufacturing shaped article |
12/18/2008 | WO2008152275A2 Method and equipment for heating a metal strip, in particular for annealing |
12/18/2008 | WO2008151479A1 An ultra-thin flexible tube made of an alloy and the manufacture process thereof |
12/18/2008 | WO2008121671A3 Vertical heat treatment system |
12/18/2008 | US20080308978 Heat-Treating of Rolling Elements for Bearings, and Furnace for Implementing Such Treatment |
12/18/2008 | US20080308977 Device for the thermal deburring of workpieces |
12/18/2008 | US20080308200 Steel Sheet Excellent in Workability and Method for Producing the Same |
12/18/2008 | US20080308195 Steel For Springs, Process Of Manufacture For Spring Using This Steel, And Spring Made From Such Steel |
12/18/2008 | DE102007059974B3 Manufacturing hardened component e.g. impact carrier for vehicles, comprises heating the component under inert gas at hardness temperature, moving the component and inductor relative to each other, and quenching the component by emulsion |
12/18/2008 | CA2685404A1 Method and equipment for heating a metal strip, in particular for annealing |
12/17/2008 | EP2003223A1 Heat-treatment steel for high-strength spring |
12/17/2008 | EP2003222A1 Heat-treatment steel for high-strength spring |
12/17/2008 | EP2003221A1 Very thin hard steel sheet and method for producing the same |
12/17/2008 | EP2003216A1 Process for producing seamless two-phase stainless-steel pipe |
12/17/2008 | EP2003215A2 Method for production of martensitic stainless steel pipe |
12/17/2008 | EP2002903A2 Method for production of seamless pipe, and oxidizing gas supply apparatus |
12/17/2008 | EP2002025A1 Hot-working steel |
12/17/2008 | EP1669469B1 Steel parts for machine structure, material therefor, and method for manufacture thereof |
12/17/2008 | CN201165542Y Control device of metal pipes full-automatic heat-treating facility |
12/17/2008 | CN201165541Y Press hardening mould for thin wall part with hole |
12/17/2008 | CN201165540Y Metal pipeline tempering apparatus |