| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/21/2002 | WO2002092870A1 Method of quenching alloy sheet to minimize distortion |
| 11/21/2002 | US20020170636 For torsionally-strained spring elements; heating at a rate of at least 50 K/s and austenitizing, at least one forming step; quenching to below the martensite temperature and then tempering |
| 11/21/2002 | US20020170634 Is held within austenite single-phase temperature range and subsequently the joint is cooled by air-cooling or by slow cooling at a cooling rate lower than that of the air-cooling. |
| 11/21/2002 | US20020170425 Shoe for swash plate type compressor and method of producing the same |
| 11/21/2002 | CA2446393A1 Method of quenching alloy sheet to minimize distortion |
| 11/20/2002 | EP1258657A1 Toroidal continuously variable transmission and method of manufacturing the transmission |
| 11/20/2002 | CN2521566Y Single (double)-row tunnel type on-line gas protection casing continuous annealing furnace |
| 11/20/2002 | CN2521224Y Clutch diaphragm spring deformation thermal treatment moulding |
| 11/20/2002 | CN1380457A 缝纫机零件 Sewing Machine Parts |
| 11/20/2002 | CN1094521C Continuous heat treatment furnace and atmosphere control method and cooling method in continuous heat treatment furnace |
| 11/19/2002 | US6482271 Laser beams form fine closures; marks of laser irradiation on surface; excellent magnetic properties |
| 11/19/2002 | CA2255250C Method and system for cooling strip material |
| 11/14/2002 | WO2002063051A3 Integrated metal processing facility |
| 11/14/2002 | US20020169060 Roller for metal strip transfer in a continuous annealing furnace |
| 11/14/2002 | US20020166653 Cooling drum for continuously casting thin cast piece and fabricating method and device therefor and thin cast piece and continuous casting method therefor |
| 11/14/2002 | DE10207132A1 Verfahren zur Verstärkung eines Werkstückes in zumindest einem Teilbereich A method of reinforcing a workpiece in at least a partial region |
| 11/14/2002 | DE10120063A1 Production of metallic profile components for motor vehicles comprises inductively heating partial regions of a cold-formed profile to a temperature required for hardening followed by quenching in a cooling unit before cutting |
| 11/13/2002 | EP1255873A1 Maraging type spring steel |
| 11/13/2002 | CN1094077C Model supported method for controlling cooling of rolled piece during rolling and cooling |
| 11/12/2002 | US6478901 Aluminum-killed low-carbon steel sheet for containers and method for its preparation |
| 11/12/2002 | US6478900 Method of forging precipitation hardening type stainless steel |
| 11/12/2002 | US6478899 Installation for making cold rolled stainless steel bands |
| 11/12/2002 | US6478896 Differentially heat treated article, and apparatus and process for the manufacture thereof |
| 11/12/2002 | US6478893 Rolling bearing and method of machining rolling element of the bearing |
| 11/07/2002 | WO2002088402A1 Method for enhancing the metallurgical quality of products treated in a furnace |
| 11/07/2002 | WO2002044429A3 Bainite blades |
| 11/07/2002 | WO2001029902A3 Device and method for tempering several process goods |
| 11/07/2002 | US20020164261 For producing golf club head |
| 11/07/2002 | US20020162613 For use as a raw material for automotive parts such as chassis and suspension systems |
| 11/07/2002 | US20020162612 Preheating of metal strip, especially in galvanizing or annealing lines |
| 11/06/2002 | EP1253961A1 Detectable stainless steel needles for meat packing |
| 11/06/2002 | EP1198605A4 Methods of forming steel |
| 11/06/2002 | EP1124997B1 Annealing basket for degreasing and softening aluminium parts |
| 11/06/2002 | EP0788993B1 Roll for take-up equipment for hot rolling mill |
| 11/06/2002 | CN1378605A Steel material, its use and its manufacture |
| 11/06/2002 | CN1377978A Heat treating method for metal workpiece |
| 11/06/2002 | CN1377745A Hot rolling compounding method for compound stainless steel and carbon steel plate |
| 11/05/2002 | US6475309 Rolling bearing steel having a surface with a lower bainitic structure and a method for the production thereof |
| 11/05/2002 | US6475307 Method for fabricating vehicle components and new use of a precipitation hardenable martensitic stainless steel |
| 11/05/2002 | US6474567 Water cooling device for wire |
| 10/31/2002 | WO2002086177A1 Steel article |
| 10/31/2002 | WO2002070754A3 Production of a cylindrical housing for a double screw extruder |
| 10/31/2002 | US20020160870 Pushing block for CVT belt and manufacturing method therefor |
| 10/31/2002 | US20020157739 Heat treatment of cutting tools such as twist drills having a shank and cutting portion to which it is desired to impart differnt hardness |
| 10/31/2002 | US20020157735 Rolling part formed of carbon steel containing 0.5 to 0.8% by weight of Carbon, 0.5 to 1.2% by weight of Silicon and 0.3 to 1.3% by weight of manganese, produced through induction hardeneing |
| 10/31/2002 | US20020157734 Hot rolling steel slab to form a hot rolled sheet; forming a steel sheet with a final sheet thickness form hot rolled sheet by annealing, and cold rolling the hot rolled sheet, decarburization annealing the sheet, finishing annealing |
| 10/31/2002 | DE10201336A1 Vorrichtung für die Wärmebehandlung eines V-förmigen Zylinderblocks durch Induktionserwärmung Apparatus for the heat treatment of a V-shaped cylinder block by induction heating |
| 10/31/2002 | DE10120919A1 Verfahren zur Herstellung eines gehärteten Blechprofils A method of producing a hardened sheet metal profile |
| 10/31/2002 | DE10117987A1 Charging frame used for heat treatment and cooling of metal parts, e.g. roller bearing parts, to be hardened is partially screened over the height of one side |
| 10/30/2002 | EP1253289A2 Integrally bladed rotor airfoil fabrication and repair techniques |
| 10/30/2002 | EP1253211A1 Fe-Ni BASED ALLOY FOR SEMI-TENSION MASK EXCELLENT IN MAGNETIC CHARACTERISTICS, AND SEMI-TENSION MASK AND COLOR CATHODE-RAY TUBE USING THE SAME |
| 10/30/2002 | EP1253209A2 Steel sheet with good forming properties and method for producing the same |
| 10/30/2002 | EP1253208A1 Method of manufacturing a hardened sheet metal profile |
| 10/30/2002 | EP1252344A1 Metal frame for metal coils to be heat-treated |
| 10/29/2002 | US6471798 Method and apparatus for heat treating steel |
| 10/29/2002 | US6471787 Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics |
| 10/29/2002 | US6471509 Strip guiding device comprising a rotatable construction for changing supporting rolls having cooling means |
| 10/29/2002 | US6471407 Rolling bearing unit for supporting wheel |
| 10/29/2002 | US6471153 Vibration control apparatus for steel processing line |
| 10/29/2002 | US6470772 Method for the manufacturing of a saw blade |
| 10/29/2002 | US6470722 Looper |
| 10/24/2002 | WO2002085075A1 Transverse flux induction heating of conductive strip |
| 10/24/2002 | WO2002083982A1 Electrical sheet having insulating coating and insulating coating |
| 10/24/2002 | WO2002083965A1 Tool steel for plastic molds |
| 10/24/2002 | US20020153073 Inner pressure of purge chamber is reduced to a predetermined pressure level; atmosphere is supplied to interior of thus evacuated purge chamber so as to render inner pressure of this purge chamber equal to the inner pressure of heat chamber |
| 10/24/2002 | US20020153067 Railway wheels resistant to martensite transformation |
| 10/24/2002 | US20020152614 Method for producing a sintered honeycomb body |
| 10/24/2002 | DE10118291A1 Device for laser irradiation of a surface of metallic workpieces comprises a deflecting mirror and a laser light source which releases a laser beam directed onto the mirror and deviated onto the reflection surface of the mirror |
| 10/23/2002 | EP1251187A1 Tool steel for plastic material molds |
| 10/23/2002 | EP1250205A1 Method for producing angular, stainless shot-blasting abrasives based on an fe-cr-c alloy |
| 10/23/2002 | EP0996751B1 Method and apparatus for performing a heat treatment on metallic rings |
| 10/23/2002 | CN2517749Y Inner tube blowing cleaning device for continuous polishing and annealing red copper coil pipe |
| 10/23/2002 | CN1375376A Jointing method of iron-base superfine microcrystal material and structure member made by using method |
| 10/22/2002 | US6467213 Method of providing a weapon barrel with an internal hard chromium layer |
| 10/17/2002 | WO2002081766A1 Steel and steel tube for high-temperature use |
| 10/17/2002 | WO2002081760A1 Rapid cooling device for steel band in continuous annealing equipment |
| 10/17/2002 | US20020150495 Method and apparatus for metal processing |
| 10/17/2002 | US20020148830 Transverse flux induction heating of conductive strip |
| 10/17/2002 | US20020148536 Ferritic grains having a low density region with a low precipitate density of nickel or titanium in the vicinity of grain boundary; press-forming giving a reduced press-rejection rate; automobiles, appliances, construction |
| 10/16/2002 | CN1374409A Thermal shield apparatus for vertical continuous annealing furnace |
| 10/16/2002 | CN1374408A Apparatus and method for transferring metal workpieces and equipment for heat treatment of the same workpieces |
| 10/15/2002 | US6464927 Method and apparatus for in-line heat treatment of hot rolled stock |
| 10/15/2002 | US6464808 Method and apparatus for reducing wrinkles on a strip in a rapid cooling zone of a heat treatment line |
| 10/15/2002 | US6464802 Heat-affected-zone (haz) toughness and hot workability; low carbon, seamless |
| 10/15/2002 | US6464801 Advanced case carburizing secondary hardening steels |
| 10/10/2002 | WO2002080622A1 Heat insulating board of induction heating apparatus |
| 10/10/2002 | WO2002079526A1 High strength steel tube for air bag and method for production thereof |
| 10/10/2002 | WO2002079525A1 Flanged parts producing method, and heat treating device and heat treating method |
| 10/10/2002 | WO2002079524A1 Device for the partial annealing of machined mechanical parts |
| 10/10/2002 | WO2002079523A1 Scale removing method for induction heating apparatus and induction heating apparatus |
| 10/10/2002 | US20020146659 Powdered metallurgy forming monolithic components ferrule and retaining collar for arrows |
| 10/09/2002 | EP1246948A1 Apparatus for supporting material to be treated in continuously operated thermal treatment furnaces |
| 10/09/2002 | EP1114199B1 Steel for making a ball bearing part |
| 10/09/2002 | CN1092239C Method for cooling steel pipe |
| 10/08/2002 | US6461741 Grain-oriented electromagnetic steel sheet with excellent coating properties and process for its manufacture |
| 10/03/2002 | WO2002077467A1 High-strength bolt excellent in delayed fracture resistance characteristics and its steel product |
| 10/03/2002 | WO2002077310A1 High strength and high ductility steel plate having hyperfine crystal grain structure produced by subjecting ordinary low carbon steel to low strain working and annealing, and method for production thereof |
| 10/03/2002 | WO2001009397A3 Cooling system in continuously heat treatment of metal strips |
| 10/03/2002 | US20020139455 Process for case hardened dies in improving die life |
| 10/03/2002 | US20020139454 Rolling bearing and method of making same |