| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/30/2000 | WO2000071762A1 Coil area for in-line treatment of rolled products |
| 11/30/2000 | WO2000071759A2 Methods of forming steel |
| 11/30/2000 | WO2000071274A1 Continuous production facilities for wire |
| 11/30/2000 | WO2000071271A1 Integrated plant for the production of rolled stock |
| 11/30/2000 | WO2000071270A1 Method and apparatus for in-line heat treatment of hot rolled stock |
| 11/30/2000 | DE19942811C1 Apparatus for heat treating a steel compression spring has an inductor for inductively heating the spring |
| 11/30/2000 | DE10018132A1 Carbon steel strengthening process, especially for increasing fatigue strength, comprises working a bainitic carbon steel of specified hardness under tension to produce a specified permanent deformation |
| 11/29/2000 | EP1055739A2 Method of manufacturing laminated ring and molten salt composition for use in such method |
| 11/29/2000 | EP1055738A2 Method of manufacturing laminated ring and heat treatment apparatus for use in such method |
| 11/29/2000 | EP1055737A1 Device for rotating cylindrical rods during a quenching operation |
| 11/29/2000 | EP1055007A1 Carrier substrate |
| 11/29/2000 | CN2408125Y Quenching device for double metal band saw |
| 11/29/2000 | CN2408124Y Rotary continuous vacuum heat processing furnace |
| 11/29/2000 | CN1275173A Method for manufacturing high adherence enamel-coating steel sheet with superior formability |
| 11/29/2000 | CN1275169A 简易钢包精炼方法 Easy ladle refining method |
| 11/29/2000 | CN1274760A Low-carbon martensite heat-treating process for hot-rolled high-strength wear-resistant steel rail or I-steel |
| 11/28/2000 | US6153030 Carburizing a sttel tube; cooling; hardening |
| 11/28/2000 | US6153027 Method of manufacturing battery can-forming plate, battery can-forming plate manufactured by method |
| 11/28/2000 | US6153026 Quick cooling while confined |
| 11/28/2000 | US6153024 Deformation; heat treatment; for elastomers |
| 11/28/2000 | US6153023 Compressive stresses in exterior surface |
| 11/28/2000 | US6153019 Process for producing a grain-orientated electrical steel sheet |
| 11/26/2000 | CA2275505A1 Cryogenic and heat process for treating sintered carbide metals to increase service life |
| 11/23/2000 | WO2000070107A1 Steel for heat-resistant and/or high-tensile formed parts |
| 11/22/2000 | EP0950119B1 Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics |
| 11/22/2000 | EP0815268B1 Primary cooling method in continuously annealing steel strip |
| 11/22/2000 | CN1058755C 连续退火炉 Continuous annealing furnace |
| 11/22/2000 | CN1058754C Heat treating appts. for ensembled large size spherical tank |
| 11/21/2000 | US6149860 Carburization and quenching apparatus |
| 11/21/2000 | US6149376 Pipe moving method, apparatus and system |
| 11/16/2000 | WO2000068444A1 Steel for producing components of picture tubes and method for producing the sheet steel, from which the picture tubes are made |
| 11/16/2000 | WO2000068443A2 Method for producing welded steel pipes with a high degree of strength, ductility and deformability |
| 11/16/2000 | DE19922945A1 Verfahren und Vorrichtung zur Emaillierung der Oberfläche eines Stahlkörpers Method and apparatus for enamelling the surface of a steel body |
| 11/16/2000 | DE19921328A1 Stahl zur Herstellung von Bauteilen von Bildröhren und Verfahren zur Herstellung von für die Fertigung von Bauteilen für Bildröhren bestimmtem Stahlblech Steel for the manufacture of components of picture tubes and process for preparing for the manufacture of components for picture tubes intended sheet steel |
| 11/15/2000 | EP1052310A2 Process and apparatus for enamelling the surface of a steel object |
| 11/15/2000 | EP1052296A2 Armour plate and process for its manufacture |
| 11/15/2000 | EP1052295A2 Method for manufacturing of construction parts in automobile construction |
| 11/15/2000 | EP1051530A1 Advanced case carburizing secondary hardening steels |
| 11/15/2000 | EP1051526A1 Device for guiding bands in a suspended manner |
| 11/15/2000 | CN1273612A Method for producing raw plate for surface treatment plate for can using continuous annealing |
| 11/15/2000 | CN1058530C Equipment for continuously manufacturing metal coils and metal coil manufacturing method |
| 11/15/2000 | CN1058529C Method for heating cold steel ingot with gland |
| 11/15/2000 | CN1058528C Equipment for manufacturing stainless steel strip |
| 11/14/2000 | US6147328 Apparatus for the heat treatment of workpieces |
| 11/14/2000 | US6146476 Laser-clad composite cutting tool and method |
| 11/14/2000 | US6145194 Method for repairing a shrink-fitted turbine disc |
| 11/14/2000 | CA2194379C Apparatus for producing continuoulsly metallic coil and process therefor |
| 11/09/2000 | WO2000066801A1 Steel cold work tool, its use and manufacturing |
| 11/09/2000 | WO2000066797A1 Metal matrix composite especially intended for piston rings |
| 11/09/2000 | DE19946889C1 Aging resistant aluminum-killed steel strip, for manufacturing cold formed components e.g. bodywork parts, is produced by subjecting rolled strip to continuous annealing, hot coiling, cooling to room temperature and skin pass rolling |
| 11/09/2000 | DE19935884C1 Induction hardening process, e.g. for a thin-walled transmission 'tripod' of a front wheel drive vehicle, comprises supplying liquid between hardening areas and an inductor and onto regions not to be heated |
| 11/09/2000 | DE19921286A1 Wärmebehandlungsverfahren zur Herstellung randschichtgehärteter Lang- nd Flachprodukte aus unlegierten oder niedriglegierten Stählen Heat treatment process for the production boundary layer hardened long nd flat products of non-alloy or low-alloy steels |
| 11/09/2000 | CA2369298A1 Steel cold work tool, its use and manufacturing |
| 11/08/2000 | EP1050591A2 Thermal treatment process for manufacturing surface hardened unalloyed or low alloyed, elongated or flat steel products |
| 11/08/2000 | CN2404892Y Switching valve for Double heat storage type ingot furnace for steel milling |
| 11/08/2000 | CN1272887A Method for determining and controlling material flux of continuous cast slabs |
| 11/07/2000 | US6143425 Improvements of a rolling bearing for use in a precision equipment, a food machine, and a semiconductor-related equipment, and improvements of a linear guide apparatus, and a ball screw |
| 11/07/2000 | US6143100 Controlled batch annealing a low-carbon, cold-rolled sheet in a two stages by heating, holding and cooling at specific temperatures; hot rolling, coiling; excellent formability, bake hardenability, dent resistance, aging resistant; autos |
| 11/07/2000 | US6141974 Cryogenic and heat process for treating sintered carbide metals to increase service life |
| 11/07/2000 | CA2181058C Pearlitic steel rail having excellent wear resistance and method of producing the same |
| 11/02/2000 | WO2000065119A1 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof |
| 11/02/2000 | WO2000065105A1 Method for strengthening of rolling element bearings by thermal-mechanical net shape finish forming technique |
| 11/02/2000 | WO2000065104A1 Method for hardening ring-shaped grooves by means of laser beams |
| 11/02/2000 | EP1048742A2 Device for cooling materials |
| 11/02/2000 | DE19918808A1 Verfahren zum Härten von Ringnuten mit Laserstrahlen A method for hardening the annular grooves with laser beams |
| 11/01/2000 | CN2403791Y Metal sliding rail for non-water cooling heating furnace |
| 10/31/2000 | US6140625 Device for rotating and simultaneous hardening by electric induction |
| 10/31/2000 | US6139655 Relates to an impact beam for a door of an automotive vehicle. |
| 10/26/2000 | WO2000063568A2 Method and device for completing outer joint elements that are formed without cutting |
| 10/26/2000 | WO2000063455A1 Engineering steel and rolling bearing component |
| 10/26/2000 | WO2000063450A1 Rolling bearing steel having a surface with a lower bainitic structure and a method for the production thereof |
| 10/26/2000 | WO2000063449A1 Method for producing a rolling bearing steel |
| 10/26/2000 | WO2000063447A2 Method and device for hardening surfaces of a crankshaft or camshaft |
| 10/25/2000 | CN1057810C Rails |
| 10/25/2000 | CN1057714C Method for mfg. cold rolled steel sheet with excellent enamel adherence |
| 10/24/2000 | US6136456 Surface of iron substrate of grain oriented electrical steel sheet is subjected to enhancement treatment of crystal grain orientation or surface smoothing, chromium electroplated thereon |
| 10/24/2000 | US6136109 Forming a pipe from a steel comprising specific weight percent of carbon, silicon, manganese, copper, nickel, nitrogen and high percentage of chromium, balance iron, austenizing, quenching, heat treating, cooling, annealing |
| 10/24/2000 | US6134934 Process and device for reverse rolling metal strips |
| 10/24/2000 | US6134933 Method and system for suppressing surface oxide film during hot finish rolling |
| 10/19/2000 | DE19915344A1 Wellenricht- und -härtemaschine Wellenricht- and -härtemaschine |
| 10/17/2000 | US6133549 Heat treatment furnace and conveyor with multi-conveyance |
| 10/17/2000 | US6132534 For heated small parts, e.g., nuts, bolts, discharged from a continuous furnace comprising a cantilievered supported rotary quenching drum, a rotatable, bearing-free, protected joint connecting the drum to the transfer chute; durability |
| 10/17/2000 | US6132533 Method for making arcuate coil springs, resulting springs and devices for carrying out the method |
| 10/17/2000 | CA2030705C Thermal flattening semi-processed electrical steel |
| 10/12/2000 | WO2000060129A1 Method for induction-surface hardening hollow work pieces |
| 10/12/2000 | WO2000059650A1 Integrated continuous casting and in-line hot rolling process, as well as relative process with intermediate coiling and uncoiling of the pre-strip |
| 10/12/2000 | DE19934534C1 Bearing face hardening process, especially for minimal distortion crankshaft or camshaft induction hardening, uses a previous bearing face distortion value to regulate a support device during subsequent bearing face hardening |
| 10/12/2000 | DE10012350A1 Ball or roller bearing includes a fixed race made of steel with high attrition and flaking resistance containing defined amounts of carbon, chromium and nitrogen |
| 10/11/2000 | EP1043087A1 Shaft straightening and hardening machine |
| 10/11/2000 | EP1042517A1 Loading device for supporting parts to be thermally treated in a furnace |
| 10/11/2000 | EP1042516A1 Cold drawn wire and method for the manufacturing of such wire |
| 10/11/2000 | CN2400457Y Gear profile high-frequency induction quenching device |
| 10/11/2000 | CN1057342C Method for making non-oriented magnetic steel sheet |
| 10/10/2000 | US6129794 Method of manufacturing a gear wheel |
| 10/10/2000 | US6129793 Face-gear forging method |
| 10/10/2000 | US6128820 Method of repairing damaged turbine rotor wheels using differentially controlled temperatures |
| 10/05/2000 | WO2000058043A1 Blank for gunbarrel, method for producing said gunbarrel and gunbarrel |
| 10/04/2000 | EP1040309A1 Gas seal for continuous thermal treatment facilities operated with a protective gas atmosphere |
| 10/04/2000 | EP1040207A1 Top hat furnace |
| 10/04/2000 | EP0925376B1 Process for the production of grain oriented electrical steel strip starting from thin slabs |