Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
11/2001
11/01/2001US20010035240 Method and apparatu for carrying out the annealing step of a galvannealing process
11/01/2001US20010035232 Using sulfur and,or phosphorous compound
10/2001
10/31/2001EP1149923A1 Apparatus for quenching metallic material
10/31/2001EP1149182A1 Method of making a weathering grade plate and product therefrom
10/31/2001EP1148851A2 Expandable element delivery system
10/31/2001EP1148850A1 Expandable intervertebral spacer
10/31/2001EP0917593B1 Making metal powder articles by sintering, spheroidizing and warm forming
10/31/2001EP0763140B1 Method of increasing the yield strength of cold formed steel sections
10/31/2001CN1074103C Structure of oscillating snifting regulating valve
10/31/2001CN1074049C Air flow controller
10/30/2001US6309483 Method and device for eliminating strip vibration in zones into which gas is blown, particularly cooling zones
10/30/2001US6309475 Rolling element and producing method
10/25/2001WO2001079568A1 Method for the production of a part of a rolling bearing
10/25/2001WO2001079567A1 Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation
10/25/2001DE10020118A1 Thin walled roller bearing component used as a roller bearing ring, needle sleeve or needle bushing is produced from a cold strip made from a tempered steel having a specified tensile strength, breaking elongation, etc.
10/25/2001DE10016187A1 Selective pre-cooling of selected zones of a moulded light metal component subjected to heat treatment followed by rapid cooling
10/24/2001EP1148762A1 Induction heating device having transverse flux and variable width inductor
10/24/2001EP1148146A2 Process and device for controlled quenching of light metal castings in a liquid bath
10/24/2001EP1147235A1 Method for making a cold rolled steel strip for deep-drawing
10/24/2001EP1047504B1 Slit nozzle for spraying a continuous casting product with a cooling liquid
10/24/2001EP0922120B1 Revolving furnace for the treatment of work pieces
10/24/2001CN1073632C Sealing device for zone oulet/inlet of continuous heat treatment furnace, continuous vacuum evaporation equipment and the like
10/23/2001US6306527 Hot-dip galvanized steel sheet and process for production thereof
10/23/2001US6306230 Process for the production of hardened parts of steel
10/23/2001US6305176 Method and system for cooling strip material
10/19/2001CA2344287A1 Method of and device for quenching light metal castings in a bath of liquid in a controlled way
10/18/2001WO2001077400A1 Hot rolled steel plate, cold rolled steel plate and hot dip galvanized steel plate being excellent in strain aging hardening characteristics, and method for their production
10/18/2001US20010030006 Gelled fuel heating system and method
10/18/2001US20010029680 Method and treatment device for the cooling of highly heated metal components
10/17/2001EP1145780A2 Threading and scale removal device
10/17/2001EP1144893A2 Pressurized fluid pipe
10/17/2001EP1144698A1 Ultra-high strength triple phase steels with excellent cryogenic temperature toughness
10/17/2001CN1318109A Method and appts. for heat treating steel
10/17/2001CN1073162C Method of reducing, quenching transshape of semi-spherical thin shell metal workpiece
10/17/2001CN1072989C Method for mfg. orientation silicon steel plate with excellent magnetic property within whole length
10/16/2001US6302974 Method and apparatus for straightening turbine casings
10/16/2001US6301920 Method and system for cooling strip material
10/16/2001US6301906 Method of adjusting two shield elements arranged above a metal strip and a device for effecting the method
10/11/2001US20010027830 Stretched mask for color picture tube and material for the mask
10/11/2001CA2317276A1 Threading and scale removal device
10/10/2001EP1143029A1 Method for manufacturing a body featuring very high mechanical properties, forming by drawing from a rolled steel sheet, in particular hot rolled and coated sheet
10/10/2001EP1143019A1 Sheet steel and method for producing sheet steel
10/10/2001EP1141644A1 Combination conduction/convection furnace
10/10/2001EP1141423A1 Method for treating an object with laser
10/10/2001EP0754775B1 Perlite rail of high abrasion resistance and method of manufacturing the same
10/10/2001CN2453016Y Equipment specially for heat treating surface of roller
10/10/2001CN1316530A Method for controlling two-phase steel organization
10/10/2001CN1316529A Normalizing liquid and method for cooling cast iron parts
10/09/2001US6300608 Induction heating coil and induction heating device using the induction heating coil
10/09/2001US6299709 Bow-formed bumper formed in cooled partible tool by supplying pressure fluid into hardenable blank which is heated to hardening temperature, placed in tool and pressurized so it is formed into contact with tool and allowed to harden
10/09/2001US6299705 High-strength heat-resistant steel and process for producing high-strength heat-resistant steel
10/04/2001WO2001073141A1 Method and device for thermal treatment of steel wire
10/04/2001US20010025674 Railroad rail of steel alloy with pearlitic microstructure; long-term serviceability, high ductility and abrasion resistance; vertically suspended position
10/04/2001EP1139394A2 Method and device for electric field assisted anneal
10/04/2001EP1138796A1 High strength hot rolled steel with high yield strength for use in the car industry
10/04/2001EP1138795A1 Law material for bearing parts
10/04/2001EP1137822A1 Processes for producing articles with stress-free slit edges
10/04/2001EP1029090B1 Improved process for the annealing of drawn carbon steel rolls and coils of carbon steel sheet
10/04/2001DE10042139A1 Vorrichtung zum Erwärmen von Werkstücken An apparatus for heating workpieces
10/03/2001CN1316018A Cold workable steel bar or wire and process
10/03/2001CN1315584A Improvement in preheating metal strip in galvanizing or annealing working line
10/02/2001US6296721 Hardened wheel
09/2001
09/27/2001WO2001072089A1 Device for heating workpieces
09/27/2001WO2001071266A1 Fluidized bed heat treating furnace
09/27/2001WO2001071048A1 Production of an embossing tool and use of the same
09/27/2001WO2001071047A1 Method for making a multiphase hot-rolled steel strip
09/27/2001US20010024621 Bars with diameter up to 160mm; used in manufacture of heavy chains used for anchoring subterranean oil rigs; heat resistance
09/27/2001US20010024002 Apparatus and methods for generating an artificial atmosphere for the heat treating of materials
09/27/2001US20010023724 Procedure for the thermal treatment of rails
09/26/2001EP1136575A1 Method of producing cold rolled steel sheet
09/26/2001EP1136574A1 Process for manufacturing embossing tools and their uses
09/26/2001EP1029091B1 Method and unit for heat-treating fine-grained materials in a coarse-grained fluidized bed
09/26/2001EP1019549A4 Pitting resistant duplex stainless steel alloy with improved machinability
09/26/2001EP0779937B1 Process for case hardening higher molybdenum-alloyed sintered steels
09/26/2001EP0758406B1 A technique to divert cracks
09/26/2001CN2450223Y Electrothermal conversion mould furnace body
09/26/2001CN2450222Y Single-arm moving laser heat treating machine
09/26/2001CN2450221Y Permanent-magnet material rotary quenching fast setting device
09/25/2001US6294031 Production method of a heat-treated steel member
09/25/2001US6293134 Method of producing a sheet steel product such as a motor vehicle bumper beam in a progressive die system
09/20/2001WO2001069100A1 Rolling support device and method for manufacturing the same
09/20/2001WO2001068933A2 High performance carburizing stainless steel for high temperature use
09/20/2001WO2001068306A1 Continuous high-speed depositing method for double-wound metal tube and depositing furnace for the method
09/20/2001DE10012801A1 Verfahren und Anlage zur Oberflächenbehandlung von warmgewalzten Bändern oder Blechen aus Metall Method and apparatus for surface treatment of hot rolled strips or sheets of metal
09/19/2001EP1134298A1 Improvements in preheating metal strips, especially in galvanising or annealing lines
09/19/2001EP1134296A2 Process and device for surface treatment of hot rolled metal sheets or strips
09/19/2001EP1133366A1 Arrangement in connection with cooling equipment for cooling billets
09/19/2001CN1313406A Electric slide contact method for quenching surface of cylinder sleeve and its dedicated equipment
09/19/2001CN1071168C Method of forming cutting die
09/18/2001US6290898 Apparatus for heat treatment of impact beams for use in automobiles
09/18/2001US6289705 Method for the ultrasonic peening of large sized annular surfaces of thin parts
09/18/2001CA2116216C Rail thermal treatment process
09/18/2001CA2088487C Apparatus for cooling extrusion press profile sections
09/13/2001WO2001066806A1 Method of preventing nitridation or carburization of metals
09/13/2001US20010020503 Discharging plurality of discrete gas streams from plurality of nozzle outlets such that gas streams impinge uniformly over outer surface of object
09/13/2001DE10030046C1 Determining cooling action of a flowing gas atmosphere on a workpiece comprises using a measuring body arranged in a fixed position outside of the workpiece and heated to a prescribed starting temperature using a heater
09/13/2001DE10019306C1 Process for the controlled quenching of light metal cast pieces in a liquid bath comprises subjecting the cast pieces in the bath to gas bubbles which are uniformly distributed at the base of the bath
09/12/2001EP1131170A1 Method and device for reducing the formation of scales on rolling stock
09/12/2001EP0975815B1 Method for hardening camshafts and linear inductor for the implementation of said method
09/12/2001CN1312389A Quenching of hot metal object