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