| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 04/09/1987 | DE3535453A1 Verfahren zum patentieren von draht im durchlauf und vorrichtung zur durchfuehrung des verfahrens A method for patent of wire in continuous and apparatus for performing the method |
| 04/08/1987 | EP0216985A2 Thermal insulation of an induction heat tunnel |
| 04/08/1987 | CN85107243A Regeneration of crushing drum |
| 04/07/1987 | US4655166 Apparatus for preventing oscillation of running strip |
| 04/07/1987 | CA1220061A1 Method and apparatus for underwinding strip on a drum |
| 04/02/1987 | DE3535230A1 Apparatus for the production of metal glass |
| 04/02/1987 | DE3534796A1 Method and apparatus for shaping metal sheets and plates |
| 04/01/1987 | EP0216561A2 Preheating method of steel strips |
| 04/01/1987 | EP0216434A1 Method and apparatus for the treatment of steel wires |
| 04/01/1987 | EP0216399A1 Hard steel sheet manufactured from aluminium-killed continuous-cast carbon-manganese steel, and a method for the manufacture of such sheet |
| 04/01/1987 | EP0215830A1 Plant for cooling by spraying means. |
| 04/01/1987 | CN86105994A Continuous annealing method and apparatus for deep drawable extra-low carbon steel |
| 03/31/1987 | US4653732 Multi-chamber vacuum furnace for heat-treating metal articles |
| 03/31/1987 | US4653171 Refractory insulation mounting system and insulated structures |
| 03/31/1987 | CA1219748A1 Method and walking beam furnace for the intermediate heating pipes in hot rolling mills |
| 03/26/1987 | DE3533493A1 Process for producing components from steel of high strength and at the same time high toughness, having these properties even after hot deformation |
| 03/25/1987 | EP0215032A1 Process and installation to permit the assembly line thermo-mechanical working, with little deformation of workpieces; also application of the process. |
| 03/24/1987 | US4652724 Method of producing a camshaft |
| 03/24/1987 | US4652423 Positioning electromagnet in vertical nuclear reactor vessel, uniform heat |
| 03/24/1987 | US4652316 Production of grain oriented steel |
| 03/24/1987 | CA1219514A1 Process for cooling batches in discontinuously operating industrial furnaces, in particular of steel wire or steel band bundles in hood type annealing furnaces |
| 03/19/1987 | DE3631933A1 Process for heat-treating material in the form of strip or wire |
| 03/11/1987 | EP0213810A1 Continuous annealing and pickling method and apparatus for steel strips |
| 03/11/1987 | EP0213333A2 Method and device for hardening steel plates |
| 03/11/1987 | CN86201625U Electrical rotary heat-treatment furnace |
| 03/10/1987 | US4648916 Method of controlling cooling of hot-rolled steel sheet and system therefor |
| 03/10/1987 | US4648914 Adding oxygen to volatilize the residual lubricant and soot |
| 03/10/1987 | US4648836 Rotary retort furnace |
| 03/04/1987 | EP0128177B1 Heat treatment furnace with crown-shaped transport path for the work-pieces |
| 03/03/1987 | US4647022 Refractory insulation mounting system and insulated structures |
| 03/03/1987 | US4647017 Vacuum heat treating furnace and quench system with drop transfer |
| 03/03/1987 | CA1218544A1 Preventive method for plate deformation due to welding in flat plate welded structure |
| 02/25/1987 | EP0211681A2 Continuous annealing method for deep drawable extra-low carbon steel |
| 02/25/1987 | CN86104502A Steel strip treatment line with open fire furnace |
| 02/24/1987 | US4645720 Armour-plate and process for its manufacture |
| 02/24/1987 | US4645547 Loss ferromagnetic materials and methods of improvement |
| 02/24/1987 | US4644667 Cooling apparatus for strip metal |
| 02/17/1987 | US4643781 Method of heat treating valve inserts |
| 02/17/1987 | US4643079 Iron piston having selectively hardened ring groove |
| 02/17/1987 | US4643051 Pack carburizing process for earth boring drill bits |
| 02/17/1987 | CA1217997A1 High strength, low carbon, dual phase steel rods and wires and process for making same |
| 02/12/1987 | WO1987000937A1 Studded squeegee roller and method and apparatus for producing same |
| 02/10/1987 | US4641512 Plant to form and cool coils |
| 02/05/1987 | DE3520984C1 Process for producing a wear-protection layer on a cylinder bore wall |
| 02/04/1987 | EP0210847A2 Method and apparatus for cooling steel strips |
| 01/29/1987 | WO1987000555A1 Continuous strip steel processing line having direct firing furnace |
| 01/29/1987 | DE3526452A1 Stacking frame for strip coils in an annealing furnace |
| 01/29/1987 | DE3525457A1 Rolling mill for the production of hot-rolled steel strips |
| 01/28/1987 | EP0210122A1 Steam turbine rotor for high temperature and method for manufacturing same |
| 01/28/1987 | CN85104854A Technology of quenching of forgings of small module no.45 steel gear |
| 01/27/1987 | US4639279 Single frequency induction hardening process |
| 01/27/1987 | US4638851 Cooling apparatus for metal strip |
| 01/27/1987 | CA1217076A1 Method and apparatus for thermomechanically rolling hot strip product to a controlled microstructure |
| 01/27/1987 | CA1217049A1 Method and apparatus for cooling a metal strip in a continuous annealing furnace |
| 01/22/1987 | DE3525635A1 Installation for the heat treatment of metal parts |
| 01/22/1987 | DE3525404A1 Method for cooling or heating an object |
| 01/21/1987 | CN85106278A Cold-rolled steel sheets and a method of manufacturing the same |
| 01/20/1987 | US4637844 Method for heat treating ferrous parts |
| 01/17/1987 | CN85101883A Roller assembly of power supplying for continuous wire annealing device |
| 01/15/1987 | WO1987000105A1 Method of reestablishment of camshafts |
| 01/15/1987 | DE3617468C1 Inductor device |
| 01/15/1987 | DE3614482A1 Process and use of a steel for making steel pipes of increased resistance to acid gas |
| 01/15/1987 | DE3525426A1 Fluidised-bed retort |
| 01/15/1987 | DE3524018A1 Process and device for producing metal glass |
| 01/15/1987 | DE3520403A1 Device for conveying hot material |
| 01/14/1987 | EP0208298A1 Apparatus for cooling steel belt |
| 01/13/1987 | CA1216420A1 Means for supporting the material under treatment in continuous action heat treatment furnaces |
| 01/08/1987 | DE3613909C1 Method and apparatus for the hardening of running faces and transition radii of crankshaft offset journals arranged directly one behind the other |
| 01/08/1987 | DE3523362A1 A process for heating blocks, slabs or similar semi-finished products as heating material of carbon steel and plant for carrying out such a process |
| 01/07/1987 | CN86103742A Method for reducing the diametre of metal pipe by hot plasticity |
| 12/31/1986 | CN85204040U Bottom rotation type full fibre energy-saving heating resistance furnace |
| 12/30/1986 | US4632708 Magnesia, and ferromanganese nitride or manganese nitride |
| 12/30/1986 | US4632369 Coil-annealing spacer |
| 12/30/1986 | US4632366 Line travel normalizer |
| 12/30/1986 | EP0206703A2 Method for producing a grain-oriented electrical steel sheet |
| 12/30/1986 | EP0206048A1 Thermoplastic method of reducing the diameter of a metal tube |
| 12/30/1986 | EP0205828A1 Method and use of a steel for manufacturing steel pipes with a high resistance to acid gases |
| 12/30/1986 | EP0205464A1 Inductor for heating railroad railheads |
| 12/30/1986 | CA1215889A1 Process and installation for the manufacture of overaged steel strip with zn, a1, alloy coating |
| 12/24/1986 | CN85104176A Coating of wire or strip |
| 12/23/1986 | US4630785 Coiler |
| 12/23/1986 | US4630352 Continuous rolling method and apparatus |
| 12/17/1986 | CN85104791A High speed tool steel and its process of heat treatment |
| 12/16/1986 | US4629418 Process and furnace for reheating metallic objects |
| 12/16/1986 | US4629417 Process and furnace for reheating slabs, billets, blooms and the like |
| 12/16/1986 | US4629165 Cooling pipe arrangement for a cooling section for rapid cooling of rolled wire or bar material |
| 12/16/1986 | US4628615 Process and installation for the heat treatment of cylindrical bodies, especially pipes |
| 12/16/1986 | EP0167618A4 Coffin delivery system for metallurgical furnace. |
| 12/10/1986 | EP0204423A2 Oxidation resistant ferrous base foil and method therefor |
| 12/10/1986 | CN85104417A Apparatus for soaking steel materials |
| 12/09/1986 | US4628179 Method of improving the state of the surface of a roll |
| 12/09/1986 | US4627814 Continuous type atmosphere heat treating furnace |
| 12/09/1986 | US4627259 Inductive edge heating device for hot working strip material and the like |
| 12/04/1986 | WO1986007096A1 Process for producing high-strength seamless steel pipes excellent in sulfide stress corrosion cracking resistance |
| 12/03/1986 | EP0203809A2 A method of manufacturing a cold-rolled steel sheet having a good deep drawability |
| 12/03/1986 | EP0203454A2 Furnace for heat-treating work pieces |
| 12/03/1986 | CN85104306A Rolling of a base steel sheet to be surfacetreated without producing stretcher strain markings |
| 12/02/1986 | US4625431 Strip cooling apparatus for continuous annealing furnace |
| 11/26/1986 | EP0202799A2 Method of making a hollow working tool |
| 11/26/1986 | EP0202793A2 Method of weld repairing steam turbine rotors |