Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
06/2000
06/02/2000CA2279630A1 Pipe moving method, apparatus and system
05/2000
05/31/2000EP1004391A1 Rotary die laser machining and hardening apparatus and method
05/31/2000EP1004369A1 Sealing lock for a vaccum chamber
05/31/2000EP1003920A1 Method for producing a high-strength track element and track element thus obtained
05/31/2000EP0693571B1 Bainite rod wire or steel wire for wire drawing and process for producing the same
05/31/2000EP0693569B1 Bainite rod wire or steel wire for wire drawing and process for producing the same
05/31/2000CN2380577Y On-line bright annealing device for electrially straight-heated stainless belt material
05/31/2000CN1254767A Steel band for pots and its manufacture method
05/30/2000US6067836 Method and system for suppressing formation of scale defects during hot finish rolling
05/30/2000CA2254618A1 A hardened wheel and a method for producing the same
05/30/2000CA2192833C Production method of steel pipe excellent in corrosion resistance and weldability
05/25/2000DE19853293A1 Verfahren zur Herstellung eines innenseitig mit einer Hartchromschicht versehenen Waffenrohres A process for the preparation of a inner side provided with a hard chromium layer gun barrel
05/25/2000CA2290180A1 Rotary die laser machining and hardening apparatus and method
05/24/2000EP1003008A1 Method for manufacturing a gun barrel with an inner chromium liner
05/24/2000EP1002884A1 Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates
05/24/2000EP1001859A2 Method for producing steel rolling bearing rings
05/24/2000CN1254020A Orientation silicon-iron sheet with excellent magnetic property and its production method
05/23/2000US6066068 Toroidal type continuously variable transmission
05/23/2000US6065964 Modular vacuum thermal processing installation
05/18/2000WO2000027578A1 Tool blank, use and manufacturing
05/17/2000EP1001237A1 Heating process of a continuous furnace, in particular for steel products and continuous furnace
05/17/2000EP1001043A1 Martensitic stainless steel parts and method for producing the same
05/17/2000EP1000275A1 One-piece flywheel having outer ring gear portion, and process of manufacturing the same
05/17/2000EP0999938A1 Rail wheel with bearing surface with optimised resistance to wear
05/17/2000EP0769073B1 Cold formed high-strength steel structural members
05/16/2000US6063331 Annealing furnaces
05/16/2000US6063218 Bearing manufacturing method
05/10/2000EP0999287A1 Method for heat treating steel workpieces and use of the obtained workpieces
05/10/2000CN1252518A Sealing device for continuous heat treatment furnace and sealing method
05/10/2000CN1052266C Steam turbine power plant and steam turbine
05/10/2000CA2286967A1 Method of heating a continuously charged furnace particularly for steel-making products, and continuously charged heating furnace
05/09/2000US6059903 Method of cooling sectional girders
05/09/2000US6059899 Quenched zone; hardness variation distribution
05/09/2000US6059898 Low carbon steel
05/09/2000US6059177 Welding method and welding material
05/04/2000WO2000025077A1 Device for heating a steel plate before it is rolled out
05/04/2000WO2000025076A1 Method and device for saving energy in continuous annealing and processing lines
05/04/2000WO2000024942A1 Annealing basket for degreasing and softening aluminium parts
05/04/2000DE19850253A1 Verfahren und System zur Regelung von Kühlstrecken A method and system for controlling cooling sections
05/04/2000DE19849757A1 Kontinuierlich betriebener Rollenherdofen mit nachgeordneter zwangskonvektiver Glühgutabkühlung Continuously operated roller hearth furnace with downstream zwangskonvektiver Glühgutabkühlung
05/04/2000CA2348630A1 Annealing basket for degreasing and softening aluminium parts
05/03/2000EP0997541A1 Heat treating box for annealing and degreasing pieces made of aluminium
05/03/2000EP0997203A1 Method and system for controlling cooling lines
05/03/2000EP0996751A1 Method for performing a heat treatment on metallic rings, and bearing ring thus obtained
05/03/2000EP0996750A1 Method of manufacturing cold rolled steel sheet excellent in resistance to natural aging and panel properties
05/03/2000EP0996521A1 Apparatus and method for making uniformly sized and shaped spheres
05/03/2000EP0655959B1 Apparatus and method for precision gear finishing by controlled deformation
05/03/2000CN1251865A Wire materials with high drawable property and manufacture thereof
05/02/2000US6056913 Plant for the continuous heat treatment of steel strips or the like
05/02/2000US6056832 Hot and cold rolling; recrystallization annealing; cold re-rolling to reduce thickness; drawing, pressing
04/2000
04/27/2000DE19947393A1 Stahldraht für hochfeste Federn und Verfahren zu seiner Herstellung Steel wire for high strength springs and method for its manufacture
04/27/2000DE19847417A1 Top hat furnace used for annealing metal coils has an arbor perpendicular to the annealing understructure
04/27/2000DE19846749A1 Aerodynamic seal used for continuous thermal treatment plants has separate slit nozzles arranged on each side of the metal strip
04/27/2000DE19845805C1 Verfahren und Behandlungseinrichtung zum Abkühlen von hocherwärmten Metallbauteilen Method and device for cooling treatment of highly heated metal parts
04/26/2000EP0995807A1 Sealing apparatus in continuous heat-treatment furnace and sealing method
04/26/2000EP0995806A1 Martensitic stainless steel tube and method for manufacturing the same
04/26/2000EP0995805A1 Heat treatment installation for a batch of metallic workpieces
04/26/2000CN1251622A Steel and process for manufacture of part for ball bearing
04/26/2000CN1251619A Apparatus and method for cooling hot rolled steel rod
04/25/2000US6054095 Widthwise uniform cooling system for steel strip in continuous steel strip heat treatment step
04/25/2000US6053996 Method for the manufacture of a strip of formable steel
04/25/2000US6053988 Method for making piston rings
04/25/2000CA2190410C Method and apparatus for controlling galvanneal induction furnace operation
04/20/2000WO2000022363A1 Gas seal for continuous thermal treatment facilities operated with a protective gas atmosphere
04/20/2000WO2000022362A1 Method and apparatus for uniformly heating a furnace
04/20/2000WO2000022178A1 Top hat furnace
04/20/2000WO2000022177A1 Heat treatment of wearable working tool
04/20/2000CA2314265A1 Top hat furnace
04/19/2000EP0994302A1 Liquid fuel burner suitable for a furnace to reheat steel industry products
04/19/2000EP0994200A1 Threaded parts for aircraft
04/19/2000EP0993881A2 Constrained hardening method and apparatus for deformed bar workpieces
04/19/2000CN2374552Y Bimetal heel for billet heating furnace
04/19/2000CN1251140A Dual-phase high-strength steel sheet having excellent dynamic deformation properties, and process for preparing same
04/19/2000CN1250814A Fluid fuel burning nozzle of reheating furnace specially for heating iron or steel ingot
04/19/2000CN1250694A Slowly cooling system for metal-rolling mill with particle type isolation materials
04/18/2000US6051085 Using a twin drum type continuous casting apparatus
04/18/2000US6051082 Made of steel with surface including carbides
04/18/2000US6051080 Rolling element used for toroidal-type continuously variable transmission and method for producing same
04/18/2000US6050049 Selectively heat treated side intrusion beams and method for making the same
04/18/2000US6049979 Methods for shielding a welding gas turbine repair of a damaged turbine rotor wheel dovetail
04/13/2000DE19855557C1 Production of a wear plate used in conveying and storage apparatus comprises dividing the covering layer into several flat segments after joining the covering layer to the base layer and hardening the covering layer
04/12/2000EP0992593A1 Method and device for continuous cooling of steel sheet
04/12/2000EP0992592A2 Retarded cooling system with granular insulation material
04/12/2000EP0992591A2 Grain-oriented electrical steel sheet and production method thereof
04/12/2000EP0992590A1 Process for bright annealing metals having high oxygen affinity
04/11/2000US6048625 Wear resisting steel, sliding member for cylinder in internal combustion engine, and ring spring
04/11/2000US6048418 Ring forming apparatus and heat treating process
04/11/2000US6048417 Method and apparatus for heat treating a bushing
04/11/2000US6048416 Steel, steel wire, and process for forming drawn wire of steel
04/11/2000US6048414 Rolling bearings and methods of producing the same
04/09/2000CA2282973A1 Retarded cooling system with granular insulation material
04/06/2000WO2000018973A1 Method for processing billets out of metals and alloys and the article
04/06/2000WO2000018972A1 Device and process for cooling metal components which were subjected to high temperatures
04/06/2000WO2000018971A1 Method for changing the properties of the surfaces of work pieces
04/06/2000WO1999066094A3 Convertible apparatus for heat treating materials
04/05/2000EP0991302A1 Installation for heating up metallic products with staggered induction devices
04/05/2000EP0990709A1 Apparatus and method for precision gear finishing by controlled deformation
04/05/2000EP0990708A1 Process for producing coil springs
04/05/2000EP0990470A1 Roll for a furnace for global or local continuous heating of metallic products by high-power induction heating device
04/05/2000EP0990371A4 Induction heaters to improve transitions in continuous heating systems, and method