Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
03/2013
03/27/2013EP2573195A1 White etching cracks robustness increase of a roller bearing
03/27/2013EP2573194A1 Method and device for heat treating rails
03/27/2013CN202841027U Apparatus for realizing real-time fine-tuning synchronization of double-pusher by using thyristor electronic switch
03/27/2013CN202836219U Hearth bottom roller
03/27/2013CN202833581U Rotating shaft used for pipe fitting quenching machine
03/27/2013CN202830142U Integrated device for annealing, tin plating and shaft collecting of photovoltaic solder strip
03/27/2013CN202830113U Suspended freely-oscillating steel billet charging separating stopper
03/27/2013CN202830112U Bell jar type annealing furnace
03/27/2013CN202830111U Annealing furnace of copper straps for solar photovoltaic solder strip
03/27/2013CN202830110U Solder strip annealing and tin-plating integrated device for photovoltaic module
03/27/2013CN202830109U Multi-strand superfine copper wire annealing system
03/27/2013CN202830108U Strip steel continuous annealing regenerative burning furnace
03/27/2013CN202830107U Steel wire rod annealing rack applicable to pit furnace
03/27/2013CN202830106U Post-weld heat treatment device for air cooler pipe heads
03/27/2013CN202830105U Steel ball quenching temperature control device
03/27/2013CN202830104U Spraying device for gear induction quencher
03/27/2013CN202830103U Spraying jacket of gear induction quencher
03/27/2013CN202830102U Speed gear workpiece with heat treatment fixture
03/27/2013CN202830101U Gear shaft quenching workpiece clamp
03/27/2013CN202830100U Stepping heating device for vertical saw bit substrate
03/27/2013CN202830099U Recrystallization-control malleableize and strengthening device on cold draw stainless steel wire
03/27/2013CN202830098U Copper strip calendaring and annealing integrated device for photovoltaic solder strip
03/27/2013CN202830097U Bearing low-temperature handling device
03/27/2013CN202830096U Pressing and quenching die for hub speed reducer outer gear ring
03/27/2013CN202830095U Double frequency quenching water jet
03/27/2013CN202830093U Wheel surface induction heating quenching machine tool
03/27/2013CN202830091U Linear water curtain device
03/27/2013CN202830090U Continuous quenching device for thin steel strips
03/27/2013CN202830089U Heat treatment device for production of steel pipes made of DP (double-phase) steel
03/27/2013CN202830088U Induction coil for inner hole high-frequency quenching treatment
03/27/2013CN202830087U Induction heating device for thin steel strip coil
03/27/2013CN202830085U Annealing tool for test samples of pure iron magnetic rings
03/27/2013CN202830084U Annealing device for end part of rotating shaft
03/27/2013CN202824161U Side discharge machine push rod pinch mechanism
03/27/2013CN103003463A High-carbon hot-rolled steel sheet having excellent fine blanking properties and process for production thereof
03/27/2013CN103003461A Steel wire material for high-strength spring which has excellent wire-drawing properties and process for production thereof, and high-strength spring
03/27/2013CN103003460A High yield ratio high-strength hot-dip galvanized steel sheet with excellent ductility and hole expansion properties, and manufacturing method thereof
03/27/2013CN103003022A Method for producing custom made, welded sheet steel products to be warm formed and corresponding welded product
03/27/2013CN103003002A Method for producing a structural part from an iron-manganese-steel sheet
03/27/2013CN102996441A Pump body structure of cam rotor pump and preparation method thereof
03/27/2013CN102995029A Heat treatment process of bolt processing
03/27/2013CN102994892A Preparation method of swing check valve plate
03/27/2013CN102994891A Method for preparing valve rod of plug valve
03/27/2013CN102994890A Casting method of valve body of anti-explosion valve
03/27/2013CN102994889A Preparation method for diaphragm valve body through cast molding
03/27/2013CN102994886A Method for casting valve plate of stop valve
03/27/2013CN102994868A Preparation method for cast-molding diaphragm valve flap
03/27/2013CN102994736A Correction method for annealing model of bell-type furnace
03/27/2013CN102994732A Fuel quantity deciding system for heating furnace and deciding method thereof
03/27/2013CN102994731A System and method for calculating optimal heating curve of blank in heating furnace
03/27/2013CN102994730A Method for tracking temperature of steel billet in heating furnace
03/27/2013CN102994729A Uniform heating furnace
03/27/2013CN102994728A Guide wheel device
03/27/2013CN102994727A Heat insulation box
03/27/2013CN102994726A Line laying device for annealing furnace
03/27/2013CN102994725A Complete equipment for lead-free heat treatment of steel wires
03/27/2013CN102994724A Quenching process of steel wire
03/27/2013CN102994723A Novel fan-shaped heater
03/27/2013CN102994722A Cutting tool heat treatment method
03/27/2013CN102994721A Spiral conveying mechanism for oil pipe tempering production line
03/27/2013CN102994720A Heat treatment method related to force limiting torsion rod of safety belt of automobile
03/27/2013CN102994719A Heat treatment method of train wheel
03/27/2013CN102994718A Method for preparing gate valve disc through casting molding
03/27/2013CN102994715A Method for controlling deformation of 0Cr17Ni4Cu4Nb material cast blade
03/27/2013CN102994711A Semi-automatic double-gun hot-working dolly
03/27/2013CN102994710A Spheroidizing annealing process of superplasticity fastener wire rod
03/27/2013CN102994708A Cover-type furnace annealing process
03/27/2013CN102994707A Heat treatment process in high-strength nut processing
03/27/2013CN102990263A Tool of low-pressure hub and heat treatment method for forming low-pressure hub
03/27/2013CN102989983A Forging method of automobile engine crankshaft
03/27/2013CN102989953A Forging method of automotive eccentric shaft
03/27/2013CN102337383B High-frequency automatic quenching machine for reverse gear shafts of transmission cases
03/27/2013CN102305546B Heat sink of oil quenching gas cooling vacuum furnace
03/27/2013CN102230068B Driving mechanism of billet heating furnace flue damper and control method thereof
03/27/2013CN102108436B Heat treatment method for alloy steel hollow car axle material for high-speed railway cars
03/27/2013CN102102139B Wheel quenching device
03/27/2013CN101932742B High-strength hot-dip-galvanized steel sheet having excellent moldability, and method for production thereof
03/27/2013CN101842507B Hardfacing steel for machine structure, and steel component for machine structure
03/27/2013CN101597680B Process for quenching-distribution heat treatment on 60Si2CrVA steel spring for trains
03/27/2013CN101597679B Process for quenching-isothermal heat treatment on 50CrVA steel spring for high-speed heavy loading locomotive
03/27/2013CN101570861B Surface treatment method for sucker rod coupling
03/27/2013CN101394690B Electric induction heating of a rail head with non-uniform longitudinal temperature distribution
03/27/2013CN101365820B High-strength spring steel excellent in brittle fracture resistance and method for producing same
03/26/2013US8404062 Device and method for cooling hot strip
03/26/2013CA2742661C Galvanized steel sheet and method for manufacturing the same
03/21/2013WO2013039272A1 Thin cold-rolled steel plate having high strength and high formability, and preparation method thereof
03/21/2013WO2013038637A1 High-strength steel sheet having excellent workability and method for producing same
03/21/2013WO2013038580A1 Hollow member and method for manufacturing hollow member
03/21/2013WO2013038020A1 Non-grain-oriented higher-strength electrical strip with high polarisation and method for the production thereof
03/21/2013WO2013038008A1 Method for producing a non-grain-oriented higher-strength electrical strip and use thereof
03/21/2013WO2013037999A1 Compressor blade and method for the production thereof
03/21/2013WO2013037485A1 High strength hot dip galvanised steel strip
03/21/2013WO2013037362A1 Method for producing structural components and chassis components by hot forming, and heating station
03/21/2013US20130068449 Laser cladding fe-cr alloy on downhole tools
03/21/2013DE102012019189A1 Producing starter ring gear useful for an internal combustion engine, comprises producing a toothing region with a high carbon content in outer layer, and producing an inner lateral surface with a lower carbon content in the outer layer
03/21/2013DE102011053672A1 Verfahren und Anordnung zum Erwärmen einer Metallplatine Method and apparatus for heating a metal plate
03/21/2013DE102011051209B4 Verfahren und Vorrichtung zum Herstellen eines Kraftfahrzeugstabilisatorstabes Method and apparatus for manufacturing a motor vehicle stabilizer bar
03/21/2013CA2848161A1 High strength hot dip galvanised steel strip
03/20/2013EP2570504A1 Method for manufacturing raw material for rotary machine part, method for manufacturing rotary machine part, raw material for rotary machine part, rotary machine part, and centrifugal compressor
03/20/2013EP2570503A2 Method and device for heating a pre-coated steel circuit board
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