Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
10/2000
10/04/2000EP0922119B1 Process for the production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slabs
10/04/2000CN2399399Y H-wheel continuous wire coiler
10/04/2000CN1268914A Cutting moud and its mfg. method
10/03/2000US6127643 Welding process
10/03/2000US6127597 Systems for percutaneous bone and spinal stabilization, fixation and repair
10/03/2000US6126892 Thermomechanical net shape finishing
10/03/2000US6126891 Spraying hydrogen and nitrogen gas mixture; recirculation with circuit of ducts comprising compensators
09/2000
09/28/2000DE19955386A1 Hochdruckfeste Antriebswelle und Verfahren zur Herstellung derselben High-pressure drive shaft and method of making same
09/28/2000DE19917039C1 Heat treatment installation, e.g. for salt, oil or water bath quenching and tempering of steel parts, has a quench bath walking beam system for positioning parts alternately on a base rack and a lifting beam during quenching
09/27/2000EP1038979A1 Cast steel material for pressure vessels and method of making a pressure vessel by using same
09/27/2000EP1038040A1 Heat treatment of wearable working tool
09/27/2000CN1056789C Method and device for manufacturing cold rolled metal sheets or strips and metal sheets or strips obtained
09/26/2000US6123785 Product and process for producing constant velocity joint having improved cold workability and strength
09/26/2000US6123504 Steam-turbine power plant and steam turbine
09/26/2000US6123249 Planishing apparatus and method
09/26/2000US6122950 Hot rolling train for rolling thin strips
09/26/2000CA2100422C Method of and device for manufacturing curved helical springs
09/21/2000WO2000055382A1 Method for producing a cage for an antifriction bearing and cage produced according to said method
09/21/2000WO2000055381A1 Method of producing a hot-rolled strip
09/21/2000WO2000054901A1 Heat shields
09/21/2000DE19933428C1 Platform oven for heat treating workpieces comprises a chamber provided with an endless strip composed of a number of plate-like support elements with knub-like protrusions on the workpiece-side surface
09/20/2000EP1036851A1 High fatigue-strength steel wire and spring, and processes for producing these
09/20/2000EP0877824B1 Ready-to-use metal wire and method for producing same
09/20/2000EP0630417B1 High strength steel sway bars and method of making
09/20/2000CN1267247A Method for producing steel rolling bearing rings
09/20/2000CN1056651C Method for treatment of cold-rolled stainless steel strip or sheet
09/19/2000US6119347 Method for manufacturing balls for bearing and products thereby
09/19/2000US6119322 Cased coil spring producing apparatus
09/14/2000DE19911067A1 Verfahren zur Ausbildung einer Anrißstelle zum Bruchtrennen eines Bauteiles aus einem Kohlenstoffstahl A method of forming a Anrißstelle for the fracture separation of a component from a carbon steel
09/14/2000DE19910928A1 Verfahren zur Herstellung eines Käfigs für ein Wälzlager und nach dem Verfahren hergestellter Käfig A process for producing a cage for a roller bearing and cage produced by the process
09/13/2000EP1035338A2 Anti-friction bearing and method for fabricating the same
09/13/2000EP1035223A2 Multiwire annealing device
09/13/2000EP1034868A1 Method for forming a cracking site for fracture separation of a component of carbon steel
09/13/2000EP1034314A1 Device for electro-inductive hardening of bearing surfaces and transition radii in crankshafts
09/13/2000CN1266462A Method of manufacturing cold rolled steel sheet excellent in resistance to natural aging and panel properties
09/12/2000US6117564 Weld repair process and article repaired thereby
09/12/2000US6117253 Cold rolled steel sheet for shadow mask made by low-temperature annealing and manufacturing method therefor
09/12/2000US6115917 Single position turbine rotor repair method
09/08/2000WO2000052965A2 A method of heating metal strip and apparatus therefor
09/08/2000CA2361567A1 A method of heating metal strip and apparatus therefor
09/07/2000DE19906597A1 Induction heater for heating metallic parts such as ball bearings, bushes, gear wheels and slides comprises a flat coil with one or more windings
09/06/2000EP1032716A1 Coil box oven
09/06/2000EP1032715A1 Method of manufacturing ejector pin sleeves
09/06/2000EP1032479A1 Method for producing a metal strip and device for reducing the risk of such a strip breaking
09/06/2000CN1056246C Method and apparatus for continuous field annealing of amorphous mamorphous metal tramsformer cores
09/05/2000US6114675 Alloying system and heating control device for high grade galvanized steel sheet
09/05/2000US6113386 Method and apparatus for uniformly heating a furnace
09/05/2000US6112427 Cooling shaft for a roller conveyor
08/2000
08/31/2000WO2000050781A1 Rolling bearing and method of machining rolling element of the bearing
08/31/2000DE19911287C1 Verfahren zum Erzeugen eines Warmbandes A method for producing a hot strip
08/30/2000EP1030748A1 Method to control the axial position of slabs emerging from continuous casting and relative device
08/30/2000CN1264817A Cooling method for high temp objects and cooling appts. thereof
08/29/2000US6109851 Screws having selected heat treatment and hardening
08/29/2000US6109336 Method of manufacturing a deep-drawing steel strip or sheet
08/29/2000US6108894 Method of making striker for automotive door latch apparatus
08/24/2000WO2000049304A1 Rolling bearing
08/24/2000WO2000049190A1 High-strength, high-toughness stainless steel excellent in resistance to delayed fracture
08/24/2000WO2000048760A1 Method and apparatus for densifying powder metal preforms
08/23/2000EP1029933A1 Device for heat exchanging with a flat product
08/23/2000EP1029932A1 Process for heat treatment of steel gear wheel
08/23/2000EP1029113A1 Method for covering electric steel strips with an annealing separator
08/23/2000EP1029090A1 Improved process for the annealing of drawn carbon steel rolls and coils of carbon steel sheet
08/23/2000EP0871786B1 A method and an apparatus for the treatment of components by a gas mixture
08/23/2000EP0613958B1 Process for continuously annealing steel strip
08/23/2000CN1264327A Method and apparatus for manufactring coil springs
08/22/2000US6106837 Inhalation of green apple odorant
08/22/2000US6106764 Apparatus for scavenging cold-drawn, coil-forming tubes in a roller hearth furnace
08/22/2000US6106639 High tensile strength
08/22/2000US6106638 Process for manufacturing thin strip of ferritic stainless steel, and thin strip thus obtained
08/22/2000US6106637 Microalloyed steel wire
08/22/2000CA2190124C Steel rail having excellent wear resistance and internal breakage resistance and method of producing the same
08/16/2000EP1028168A1 Heat treatment apparatus
08/16/2000EP1027464A1 Face-gear forging method
08/16/2000EP0894206B1 Laminated composite material and method of improving the surface hardness of laminated composite materials
08/16/2000CN1263564A Rotatable joint for liquid quenching drum
08/15/2000US6103395 Composite multilayer bearing material
08/15/2000US6103394 Thin steel sheet having excellent rectangular drawability and production method thereof
08/15/2000US6103310 Treatment using an aqueous solution of the a silane type compound prior to heat treating, e.g. annealing, sheets which are in contact with a part of their surface, i.e. coiled or in tight packets; unnecessary to clean or degrease metal
08/15/2000US6103027 Room temperature roll extrusion yields simultaneous reduction of wall thickness and elongation of the tube for uniform strength, corrosion resistance, complete recrystallization and chemical homogenization of seam
08/10/2000WO2000046415A1 HIGH Cr STEEL PIPE FOR LINE PIPE
08/10/2000DE19905307A1 Selective steel workpiece surface hardening, e.g. of a welded synchromesh body and gear wheel assembly for a vehicle, comprises cooling one workpiece section during surface hardening of another section
08/09/2000EP1026275A1 High-strength, high-toughness rolled shape steel and production method thereof
08/09/2000EP1026266A1 Simple ladle refining method
08/09/2000EP1025920A2 A method for producing a multilayer thin-walled bellows of stainless steel
08/09/2000EP1024920A1 Continuous steel strip for twin presses and method for producing the same
08/09/2000EP1024917A1 A steel and a heat treated tool thereof manufactured by an integrated powder metallurgical process and use of the steel for tools
08/09/2000CN1262709A Method for performing heat treatment on metallic rings, and bearing ring thus obtained
08/09/2000CN1262636A Apparatus and method for making uniformly sized and shaped spheres
08/09/2000CN1262156A Disk-type shear knife and its heat treating technology
08/09/2000CN1055317C Online controlling method for continuously annealing furnace
08/09/2000CN1055316C Low carbon-strength toughness steel band and manufacturing technology thereof
08/08/2000US6099669 Method for producing a Fe-Ni alloy sheet and a Fe-Ni alloy shadow mask
08/08/2000US6099668 Heat resisting alloy for exhaust valve and method for producing the exhaust valve
08/08/2000US6099667 Uniformly discharging gas over the width of the steel substrate, and dissipating electrical power from the plasma discharges into the steel resulting in uniform heating
08/08/2000US6099665 Method for producing Cr-Ni type stainless steel thin sheet having excellent surface quality
08/08/2000CA2297585A1 Laser-clad composite cutting tool and method
08/08/2000CA2193847C Cold formed high-strength steel structural members
08/03/2000WO2000044954A1 Wire for high-fatigue-strength steel wire, steel wire and production method therefor
08/03/2000WO2000044945A1 Continuous furnace comprising a device for quenching workpieces and quenching method
08/03/2000DE19919738A1 Durchlaufofen mit einer Einrichtung zum Abschrecken von Werkstücken sowie Abschreckverfahren Continuous furnace with a device for quenching workpieces, as well as quenching