| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/26/1986 | CN86103498A Furnace for the heat treatment of work pieces |
| 11/26/1986 | CN86102037A Equipment for heating steel billet to the temperature of hot-forming |
| 11/25/1986 | US4625090 Apparatus for inductively heat treating workpiece bore walls |
| 11/20/1986 | EP0202208A2 Heat treated high strength bimetallic cylinder |
| 11/20/1986 | EP0202023A2 Support device for moving metal strip |
| 11/20/1986 | EP0201744A2 Method for hot-rolling slabs into wide strips |
| 11/20/1986 | EP0201648A1 Steel strip heating furnace |
| 11/19/1986 | CN86101334A Heat treatment of steel in fluidised beds |
| 11/18/1986 | US4623401 Heat treatment with an autoregulating heater |
| 11/18/1986 | CA1214037A1 Continuous annealing apparatus |
| 11/12/1986 | EP0201228A2 Grain-oriented silicon steel and stress coating therefor |
| 11/11/1986 | US4622080 Heating, quenching, chromizing, nitriding |
| 11/11/1986 | US4622006 Method and apparatus for heat treating metallic workpieces using a continuous-heating furnace or gravity-discharge furnace |
| 11/11/1986 | US4621794 Apparatus for producing a grain-oriented electromagnetic steel strip or sheet |
| 11/05/1986 | CN86102922A Rolling methods for wide strip steel from initial rolling to hot rolling |
| 11/05/1986 | CN85103532A System for heat treating orankshafts and other workpieces |
| 11/04/1986 | US4620884 Heat treat process and furnace |
| 11/04/1986 | US4620840 Furnace for heating up cylindrical charges |
| 11/04/1986 | US4620501 Process and installation for continuous manufacturing of an old (over-aged) steel band having a coating of Zn, Al or Zn-Al alloy |
| 10/29/1986 | EP0199706A2 Method and device for preventing the denting of rails in the transition area between the end and the full section of the tongue |
| 10/29/1986 | EP0199703A2 Plant for heating steel material up to the hot-forming temperature |
| 10/29/1986 | EP0198871A1 Method and installation for heat treatment, especially case-hardening. |
| 10/29/1986 | CN85103910A Method for heat treatment of hand-saw blade without cyaniding |
| 10/28/1986 | US4619717 Inductive preheating, then radiantly post-heating |
| 10/28/1986 | CA1213196A1 High strength bolt and method of producing same |
| 10/28/1986 | CA1213160A1 Method of manufacturing rails |
| 10/22/1986 | EP0198814A2 Reheating furnace for reheating and temperature averaging hot steel stock |
| 10/21/1986 | US4618379 Method for the continuous annealing of steel strips |
| 10/21/1986 | US4618377 Method for surface treatment of electrical steel sheet |
| 10/21/1986 | US4618125 System for hardening camshafts |
| 10/15/1986 | EP0197410A2 Device for heating elongated metallic work pieces by induction |
| 10/15/1986 | CN85104240A Process and equipment for heat treatment of rolled steel balls for ball grinders using residual heat |
| 10/14/1986 | US4617070 Method of making wear-resistant cylinder, or cylinder liner surfaces |
| 10/14/1986 | US4617067 Reheating and hot working |
| 10/14/1986 | US4616997 Ingot pusher furnace |
| 10/09/1986 | WO1986005820A1 Process and installation to permit the assembly line thermo-mechanical working, with little deformation of workpieces; also application of the process |
| 10/08/1986 | EP0196470A1 Method of manufacturing dual phase strip steel and steel strip manufactured by the method |
| 10/07/1986 | US4615749 Cold rolled dual-phase structure steel sheet having an excellent deep drawability and a method of manufacturing the same |
| 10/01/1986 | CN86102287A Reheating furnace used for reheating and temp. well-distributing to the heated steels |
| 09/30/1986 | US4614495 Apparatus for soaking steel pieces |
| 09/30/1986 | CA1211965A1 Process of hot-rolling steel, wherein heat loss from the steel is reduced by means of one or more heat- reflecting screens and apparatus for use in the process |
| 09/24/1986 | EP0195739A2 Semicontinuous annealing process |
| 09/24/1986 | EP0195659A2 Method and apparatus of cooling steel strip in continuous heat treating line |
| 09/24/1986 | EP0195658A2 Method and apparatus of cooling steel strip |
| 09/24/1986 | EP0195473A1 Heat treatment of steel elements in fluidized beds |
| 09/24/1986 | EP0195077A1 A process for heat treatment of workpieces and a heat treatment installation suitable for such a process |
| 09/24/1986 | CN86101419A Induction heating |
| 09/24/1986 | CN85204571U Laser heat-treating facility with rotating linght conductor |
| 09/23/1986 | US4613744 Methods of repair |
| 09/17/1986 | EP0194708A1 Multi-wire induction heating |
| 09/17/1986 | EP0194506A1 Process for producing camshaft with cams subjected to remelting chilling treatment |
| 09/17/1986 | CN85102527A Heat treatment for strengthening and toughening the outer casingring of single seam centripetal ball joint bearing |
| 09/16/1986 | US4612070 Method for welding chromium molybdenum steels |
| 09/16/1986 | US4611988 Coiler-furnace unit |
| 09/16/1986 | US4611791 Diffuser system for annealing furnace with water cooled base |
| 09/16/1986 | US4611789 Apparatus for the production of improved railway rails by accelerated cooling in line with the production rolling mill |
| 09/16/1986 | US4611744 Turbine blade repair |
| 09/12/1986 | WO1986005210A1 Plant for cooling by spraying means |
| 09/10/1986 | EP0193649A1 Annealing basket |
| 09/09/1986 | US4610747 Preventing wrinkles; composite formation by laminating to plastic or paper core |
| 09/09/1986 | US4610735 Method of modulated cooling to minimize deformation of flat metallurgical products |
| 09/03/1986 | EP0192947A2 Method to produce colour marks on a mandrel for a catheter |
| 09/03/1986 | EP0192933A2 Process for heat treating, especially of metallic work pieces, and apparatus therefor |
| 09/02/1986 | US4609410 Transformation of austentile to martensite and bainite |
| 09/02/1986 | CA1210671A1 Method and apparatus for continuously annealing steel sheet |
| 08/27/1986 | EP0192169A2 Device for the contactless guiding of material webs, in particular metal webs, by means of a gas |
| 08/27/1986 | CN85100352A Low-temp. composite water bath treatment process of steel wire |
| 08/26/1986 | US4608101 Prevention of stress cracking in welds in nuclear reactors |
| 08/26/1986 | US4608014 Coiler-furnace unit |
| 08/20/1986 | EP0191219A2 Method for surface treatment of electrical steel sheet |
| 08/20/1986 | EP0191203A2 Cutting tool structures, apparatus and method for making same |
| 08/20/1986 | CN85100775A Mn-si-b spring steel for automobile spring bottom plate |
| 08/13/1986 | EP0190458A1 Process and apparatus for continuously manufacturing spheroidal graphite cast iron pipes with a controlled microstructure |
| 08/13/1986 | EP0190448A1 Process for reducing residual stress of roller-straightened steel rails |
| 08/06/1986 | EP0189855A2 Apparatus for evenly directing a gas towards a flat surface |
| 08/06/1986 | EP0189759A1 Method and apparatus for heat treating work pieces |
| 08/06/1986 | CN85102315A Electromotive heating car for heat-treatment |
| 08/06/1986 | CN85100190A Heat treatment process and equipment for forming spring steel wire |
| 08/05/1986 | US4604510 Method and apparatus for heat treating camshafts |
| 08/05/1986 | US4604149 Process for hardening elongate metal elements |
| 08/05/1986 | US4603730 For heating a sample in outer space |
| 07/30/1986 | EP0105302B1 Improved supports of heating bodies intended to annealing furnaces |
| 07/30/1986 | CN85107297A Apparatus for cooling hot rolled steel rod |
| 07/30/1986 | CN85100662A Water hardening spring steel 35 si mn b and process for its manufacture |
| 07/29/1986 | US4603063 Process for alloying for galvanization and alloying furnace therefor |
| 07/29/1986 | US4602969 Method for annealing a core blank used in electric machinery and devices |
| 07/29/1986 | US4602767 Thermocouple apparatus for in situ annealing of a pressure vessel |
| 07/23/1986 | EP0187904A2 Method of heat treating pearlitic rail steels |
| 07/23/1986 | CN85102309A Toughening of high-carbon steel |
| 07/16/1986 | EP0187229A2 Industrial furnace comprising a partially movable hearth |
| 07/16/1986 | CN86100209A Method for lessoning internal stress of steel rail straightened by rolling |
| 07/16/1986 | CN85109422A Continuous annealing furnace for metallic strip |
| 07/15/1986 | US4600378 Steel strip heating furnace and method |
| 07/15/1986 | US4600181 Gas cooling and recirculating device in continuous strip furnaces |
| 07/15/1986 | CA1207643A1 Heat-treated steel alloy wireline drill rods, and method of making the same |
| 07/09/1986 | CN85109735A Process and apparatus for heat treatment of rail |
| 07/09/1986 | CN85107934A Process for heat treatment of metallic pieces by continuous furnace and apparatus thereof |
| 07/08/1986 | CA1207137A1 Turbine blade repair |
| 07/02/1986 | EP0186373A2 Method of and apparatus for heat treating rails |
| 07/02/1986 | EP0185847A2 Running process of a reheating furnace and reheating furnace for billets, blocks or the like |