| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 02/03/1993 | EP0525467A2 Grain oriented silicon steel sheet having excellent primary glass film properties |
| 02/02/1993 | US5183519 Method for quenching railway rail heads |
| 02/02/1993 | US5182847 Method and apparatus for manufacturing hot-rolled strips or sections from continuously cast primary material |
| 01/28/1993 | DE4124744A1 Rack for storing long bars of material - has vertically sliding frame for removing bars from fixed rack |
| 01/28/1993 | DE4124644A1 Hardening internal surface of esp. cylinders - using structured rollers to heat surface by electro-resistance heating and movement of roller electrode over workpiece surface |
| 01/27/1993 | EP0524689A1 Heat treatment of steel wire |
| 01/27/1993 | EP0524332A1 Nuclear reactor fuel rod and method of treating a welding bead |
| 01/27/1993 | EP0524207A1 Method and device for surface hardening of rotation symmetrical parts through inductive heating by means of at least two different frequencies. |
| 01/27/1993 | CN1068371A Method and equipment for raising elongation of cold-worked wire rod |
| 01/26/1993 | US5182074 Apparatus for continuously cooling metal strip |
| 01/26/1993 | US5182002 Line for continuously annealing and pickling stainless steel strip |
| 01/26/1993 | US5181974 Protective bars on car doors; bumper cores |
| 01/26/1993 | US5181970 Process for production of stainless steel thin strip and sheet having superior surface gloss and high rusting resistance |
| 01/26/1993 | US5181375 Method for producing steel alloy gears |
| 01/24/1993 | CA2073705A1 Method and apparatus for annealing stapler anvils |
| 01/21/1993 | WO1993001329A1 Unidirectional silicon steel sheet having excellent film properties |
| 01/21/1993 | DE4123577A1 Deep laser hardening of component - using three-dimensional high intensity heat extn. to assist self-quenching |
| 01/20/1993 | EP0524160A2 Method of manufacturing a hard steel wire |
| 01/19/1993 | US5180449 Automobile bodies |
| 01/19/1993 | US5180448 Method of laser hardening corrugating rolls |
| 01/19/1993 | US5180204 High strength steel pipe for reinforcing door of car |
| 01/19/1993 | US5179852 Metallurgy, steels |
| 01/14/1993 | DE4122814A1 Heat treatment furnace - has a protective gas atmosphere and evacuable gas quench chamber |
| 01/14/1993 | DE4121489A1 Ofenanlage als zwischenspeicher hinter einer duennbrammengiessanlage Furnace as between storage behind a thin slab caster |
| 01/13/1993 | EP0522521A1 Charging device for a thermic treatment furnace for small metalic articles |
| 01/13/1993 | EP0522407A1 Blackening treating method of stainless steel strip surface and blackening treating furnace |
| 01/12/1993 | US5179258 Induction furnace for heating and temperature homogenization in hot-rolling of thin steel strips |
| 01/12/1993 | US5178693 Process for producing high strength stainless steel of duplex structure having excellent spring limit value |
| 01/11/1993 | CA2073631A1 Grain oriented silicon steel sheet having excellent primary film properties |
| 01/11/1993 | CA2073210A1 Plat products driving or supporting roller, especially for continuous processing installations |
| 01/07/1993 | WO1993000179A1 Intermediate storage oven downstream of a thin slab casting plant |
| 01/07/1993 | EP0521808A1 Method for producing deep drawing steel sheets |
| 01/07/1993 | EP0521774A1 Method for producing a clad steel sheet with a layer of stainless metal |
| 01/07/1993 | EP0521438A1 Sealing apparatus for continuous vacuum treating equipment |
| 01/07/1993 | EP0521385A1 Method for damping vibration of a continuously moved steel strip |
| 01/07/1993 | CA2112233A1 Intermediate storage oven downstream of a thin slab casting plant |
| 01/06/1993 | CN1067684A Hot treating method for elastic parts |
| 12/30/1992 | EP0520476A2 Continuous electron beam irradiation of metal strip |
| 12/30/1992 | EP0520220A1 Method and device for inductive surface hardening of crankshaft journals and pins |
| 12/29/1992 | US5174835 Passing steel strip around first and second driven rolls, strip undergoes frictional contact, measuring peripheral speed of rolls to detect elongation, adjusting the speed of rolls to control elongation |
| 12/26/1992 | CA2072210A1 Method for continuously moving a steel strip |
| 12/24/1992 | DE4136620C1 Light metal cylinder housing for internal combustion engine - with areas outside highly thermally stressed zones heat treated to develop tensile stresses and prevent cracks forming |
| 12/23/1992 | EP0519422A2 Apparatus for quenching heated metal workpieces comprising a device for extracting fumes |
| 12/22/1992 | US5173246 Device for the surface hardening of workpieces of different lengths |
| 12/22/1992 | US5173133 Using localized induction heating |
| 12/22/1992 | CA1311669C Nickel-base alloy heat treatment |
| 12/17/1992 | DE4140740A1 Continuous furnace with more flexible operation for heating blocks, billets, etc. - has fixed beams with step(s) in feed direction and lifting and travelling mechanism with controlled, variable lifting height |
| 12/16/1992 | CN2124922U 不锈钢丝退火炉 Stainless steel wire annealing furnace |
| 12/16/1992 | CN1019509B Reinforcement process of tool and die steel with steel tipped structure |
| 12/15/1992 | US5171384 Process for producing high strength stainless steel strip excellent in shape |
| 12/15/1992 | US5170932 Method for connection of railway point components consisting of cast hard manganese steel or manganese steel rails to a rail made from carbon steel |
| 12/10/1992 | DE4218153A1 Precision heating appts. with removable hot plate - used e.g. for soldering or adhesive bonding of articles, has structure which contains heating elements and coolant passages |
| 12/10/1992 | DE4119000A1 Reducing failure risk of welded construction - by using transversely stressed double-fillet weld seams which are welded in succession, useful for transport or storage of hazardous materials |
| 12/10/1992 | DE4118960A1 Prodn. of billets for hot-rolling installations - by cutting a cast pipe-length into a helical ribbon and then straightening |
| 12/09/1992 | CN2124444U Chain drive set |
| 12/09/1992 | CN2124239U Double laser beam heat treating apparatus for saw blade |
| 12/08/1992 | CA1311279C Method and apparatus for isothermal holding of wire when a wire is heat-treated in-line |
| 12/02/1992 | EP0516502A1 Flooring plates for a wire conveyor in particular for cooling wire spires at the exit of a wire rolling mill |
| 12/02/1992 | EP0516250A2 Heat retaining means |
| 12/01/1992 | WO1992022178A1 Apparatus for and method of induction-hardening machine components |
| 12/01/1992 | US5167735 Prevention of formation of boron oxide white dust |
| 12/01/1992 | US5167733 Tough, hard golf club head |
| 12/01/1992 | CA2069186A1 Wire conveyor deck designed for cooling metal wire coils coming out of a mill train |
| 12/01/1992 | CA1311019C Oven for the thermomagnetic treatment of "o" coils |
| 12/01/1992 | CA1310891C Hardening a hollow |
| 11/25/1992 | EP0514757A1 Furnace with longitudinal moving members and with central charing for heating and storing hot products |
| 11/25/1992 | EP0514448A1 Radiofrequency heating of thin filaments |
| 11/19/1992 | EP0514325A2 Rotary drum transportation device |
| 11/19/1992 | EP0514324A2 Cooling apparatus |
| 11/18/1992 | CN2122364U Multipurpose furnace for irregular combined carburize and nitridation |
| 11/18/1992 | CN1066294A Method and equipment for prodn. of snail spiral spring |
| 11/17/1992 | US5164957 Energy beam director apparatus |
| 11/17/1992 | US5164145 Rotary furnace oil seal employing endothermic gas purge |
| 11/14/1992 | WO1992021782A1 Rail vehicle wheel, process for tempering it and device for implementing the process |
| 11/12/1992 | WO1992019778A1 Carrier for material to be annealed |
| 11/12/1992 | WO1992019424A1 Knife blades |
| 11/12/1992 | WO1992019408A1 Process for the multi-stage machining of saw blade teeth and saw machining device for implementing the process |
| 11/12/1992 | DE4114942A1 Verfahren zum mehrstufigen bearbeiten von zaehnen an saegeblaettern sowie saegenbearbeitungsmaschine zum durchfuehren des verfahrens A method for multi-stage process of teeth on saw blades and saegenbearbeitungsmaschine for carrying out the method |
| 11/12/1992 | DE4111125C1 Method and appts. for accelerated cooling of long hollow components |
| 11/12/1992 | CA2108756A1 Knife blades |
| 11/11/1992 | EP0512113A1 Oxidation treatment apparatus for metal pipes |
| 11/11/1992 | CN2121668U Double room negative (or low) pressure high flow rate vacuum air quench oven |
| 11/10/1992 | US5161306 Thermospraying heat-resistant alloy powder on roll; forming cermet layer by thermospraying mixture of the alloy powder and carbide or carbide-oxide composite particles; chemical conversion coating by applying metal oxide solution, heating |
| 11/10/1992 | CA1310054C Apparatus for continuous-direct-resistance heating of long-length articles |
| 11/10/1992 | CA1309807C Fatigue life of a component such as a bar |
| 11/04/1992 | EP0511478A1 Line for continuously annealing and pickling stainless steel strip |
| 11/04/1992 | CN1018931B Process and apparatus for obtaining homogeneous austenite structure |
| 11/03/1992 | US5160556 Heat treatment of the flutes on corrugated rolls using a laser |
| 11/03/1992 | CA1309643C Process for heat treating a heat exchanger tube surrounded by a support plate |
| 10/29/1992 | WO1992018653A1 Process for remelting metal surfaces by laser |
| 10/29/1992 | WO1992018262A1 Method and installation for production of hot-rolled strip |
| 10/28/1992 | EP0511040A1 Process for joining a manganese steel workpiece to a carbon steel workpiece, and assembly obtained thereby |
| 10/28/1992 | CN2120113U Three-roll quench cooling and straightening device |
| 10/27/1992 | CA1309323C Oil quench hardening and tempering and hard drawn steel wire of shaped section and process for producing the same |
| 10/21/1992 | EP0509407A1 Method for producing by continuous heat treatments oil-tempered steel wires for springs having high strength and high toughness |
| 10/21/1992 | EP0509177A2 Means and a method of improving the quality of cold rolled stainless steel strip |
| 10/20/1992 | US5157231 Apparatus for inductive hardening crankshafts with crank pins having a hollow ground radius |
| 10/20/1992 | US5156800 Installation for the thermal/treatment before rolling of thin slabs produced by continuous-casting |
| 10/20/1992 | CA1308999C Method for the manufacture of alloy railway rails |
| 10/15/1992 | DE4210751A1 Surface treating metal surfaces - comprises using laser beam focussed to rectangular shape whose width corresponds to that of the surface being treated |