| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 09/02/1987 | EP0234698A1 Steel sheets for painting and a method of producing the same |
| 09/02/1987 | EP0234200A1 Process and device for the heat treatment of longitudinally welded pipes |
| 09/02/1987 | EP0233944A1 Continuous strip steel processing line having direct firing furnace |
| 09/01/1987 | CA1226134A1 Coiler furnace unit |
| 09/01/1987 | CA1226133A1 Coiler |
| 09/01/1987 | CA1226132A1 Coiler furnace unit |
| 08/27/1987 | DE3606442A1 Apparatus for the recrystallisation annealing of a copper strand |
| 08/26/1987 | EP0233810A1 Device with a movable armature for continuous induction heating |
| 08/26/1987 | EP0233659A1 Steel wire for reinforcing elastomer articles |
| 08/26/1987 | EP0233658A1 Method of manufacturing a shadow mask, shadow mask manufactured according to such a method, and colour display tube comprising such a shadow mask |
| 08/26/1987 | EP0233437A1 Corrosion-resistant tube or storage tank consisting of two metal layers |
| 08/26/1987 | CN87100257A Steel sheets for painting and method of producing the same |
| 08/19/1987 | EP0232558A1 Process for manufacturing pearlitic steel wire |
| 08/19/1987 | EP0232537A2 Process for producing grain-oriented electrical steel sheet having improved magnetic properties |
| 08/19/1987 | EP0232477A1 Process for zone-annealing of metal workpieces |
| 08/19/1987 | CN86108640A Cold rolled steel sheets having improved press formability |
| 08/18/1987 | US4687894 Induction heating method and apparatus for relieving residual stress in welded joints in pipe line |
| 08/12/1987 | EP0232241A1 Plant for the continuous thermal treatment of wire rod |
| 08/12/1987 | EP0231653A2 Cold rolled steel sheets having an improved press formability |
| 08/12/1987 | EP0231283A1 Studded squeegee roller and method and apparatus for producing same |
| 08/12/1987 | CN87100407A Method of manufacturing a shadow mask, shadow mask manufactured according to such a method, and colour display tube comprising such a shadow mask |
| 08/11/1987 | US4686342 Process for making wire mesh screens |
| 08/11/1987 | US4686155 Oxidation resistant ferrous base foil and method therefor |
| 08/11/1987 | US4685321 Method of drape drawing a shadow mask for a color display tube |
| 08/11/1987 | CA1225311A1 Cylinder liners |
| 08/06/1987 | DE3602911A1 Apparatus for the rapid cooling of heat-treated tubes |
| 08/05/1987 | EP0230882A1 Method for heat-treatment of a strip |
| 08/05/1987 | EP0230780A1 Steel strip cooling method |
| 08/05/1987 | CN86106942A Motor using conned motor-driven compressor |
| 08/04/1987 | US4684411 Oxidation, hea treatment |
| 08/04/1987 | US4684402 Method of waste disposal, and apparatus for the same |
| 07/30/1987 | WO1987004469A1 Device for heating simultaneously one or several steel cables |
| 07/30/1987 | DE3602558A1 Method for setting fastening elements |
| 07/30/1987 | DE3602249A1 Tower annealing furnace for strips |
| 07/29/1987 | CN86100252A Semi-ring shape inductor used in large shaft neck surface quenching |
| 07/28/1987 | US4683013 Method for producing a shadow mask for a color cathode ray tube |
| 07/22/1987 | EP0229646A2 Method for producing a grain-oriented electrical steel sheet having an ultra low watt loss |
| 07/22/1987 | EP0229325A2 Method of manufacturing a corrosion resistant steel component |
| 07/22/1987 | EP0229181A1 Method of reestablishment of camshafts |
| 07/21/1987 | US4682011 Furnace for the partial heat treatment of work tools |
| 07/21/1987 | US4681536 Charging sluice for annealing oven |
| 07/15/1987 | CN86100009A Furnace load/unload equipment for long billet and tube |
| 07/14/1987 | US4679640 Method for case hardening rock bits and rock bits formed thereby |
| 07/14/1987 | CA1224251A1 Method and apparatus for heat treating camshafts |
| 07/14/1987 | CA1224122A1 Method for cooling a steel strip in a continuous- annealing furnace |
| 07/14/1987 | CA1224029A1 Apparatus for continuously cooling heated metal plate |
| 07/08/1987 | EP0228284A2 Method of cooling hot-rolled steel plate |
| 07/07/1987 | US4678883 Electromagnetic-induction heater with magnetic field control |
| 07/02/1987 | DE3641372A1 Cutting tool and process for the production thereof |
| 07/01/1987 | EP0226729A1 Method for producing a hardened non-magnetisable rolling bearing member from an austenitic material and rolling bearing member so produced |
| 07/01/1987 | CN85109465A Energy-saving annealing technology and an energy-saving annealing furnace |
| 06/30/1987 | US4676999 Method for vacuum deposition plating steel strip |
| 06/30/1987 | CA1223509A1 Method of and a plant for preheating and, possibly, heat-treating and subsequently dividing rod-shaped material into slugs |
| 06/24/1987 | CN85109155A Multiple strengthening technique for bearing steel workpiece |
| 06/23/1987 | US4675488 Method for hardening gears by induction heating |
| 06/23/1987 | US4674443 Method and apparatus for vacuum deposition plating |
| 06/23/1987 | CA1223124A1 Gas cooling and recirculating device in continuous strip furnaces |
| 06/19/1987 | DE3621789C1 Installation for tempering metal parts in a continuous operation |
| 06/17/1987 | CN86203935U Block-shaped heater |
| 06/16/1987 | US4673785 Automatic apparatus for induction hardening |
| 06/16/1987 | US4673447 Prevention of vibration over heating and overcooling in annealing steel |
| 06/10/1987 | EP0225263A1 Sheet or strip of stainless ferritic steel, particularly for exhaust systems |
| 06/10/1987 | EP0224591A1 Process for producing high-strength seamless steel pipes excellent in sulfide stress corrosion cracking resistance |
| 06/09/1987 | CA1222636A1 Method and apparatus for the manufacture of non- allergy creating metal objects |
| 06/09/1987 | CA1222623A1 Apparatus for quenching butt-welded portion of rail |
| 06/04/1987 | DE3542681A1 Process for the production of drawn high-quality tubes |
| 06/04/1987 | DE3542257A1 Device for tempering in a magnetic field |
| 06/03/1987 | CN85204461U Continuous furnace for heat-treatment of metal parts |
| 06/02/1987 | US4669978 Heat treating basket |
| 05/27/1987 | DE3623119C1 Process for the inductive hardening of cylindrical bearing points with transition radii relieved with respect to the adjoining shaft parts and apparatus for carrying out the process |
| 05/26/1987 | US4668309 Rapid magnetic annealing of amorphous metal in molten tin |
| 05/26/1987 | US4668308 Method and apparatus for manufacturing rails |
| 05/21/1987 | WO1987003159A1 Method and apparatus for cooling induction heated material |
| 05/19/1987 | US4666404 Door for slab-heating furnace and the like |
| 05/14/1987 | DE3538958A1 Furnace installation for the heat treatment of workpieces |
| 05/12/1987 | US4664953 Coating of wire or strip |
| 05/12/1987 | US4664359 Furnace for heat treating light alloy ingots |
| 05/12/1987 | CA1221562A1 Apparatus and methods for combined hot rolling and treating steel rod |
| 05/06/1987 | EP0220940A2 Process and apparatus for improvement of iron loss of electromagnetic steel sheet or amorphous material |
| 05/06/1987 | CN86103669A Manufacture method for improving performances of hot-rolled silicon steel sheets |
| 05/06/1987 | CN85107920A Low-carbon steel scissors and its heat-treating technology |
| 05/05/1987 | CA1221297A1 Method and apparatus for direct heat treatment of medium- to high-carbon steel rods |
| 04/30/1987 | DE3628246A1 Process and apparatus for joining workpiece parts |
| 04/29/1987 | CN86106894A Wear resistant rails having capability of preventing propagation of unstable rupture |
| 04/28/1987 | US4661676 Process for producing camshaft with cams subjected to remelting chilling treatment |
| 04/28/1987 | US4660559 Sterile surgical needles with a hard sharp cutting edge and method for producing the same |
| 04/28/1987 | US4660444 Hardening of selected areas of an earth boring rockbit |
| 04/28/1987 | EP0205464A4 Inductor for heating railroad railheads. |
| 04/22/1987 | EP0219482A1 Bell-type furnace |
| 04/22/1987 | EP0219289A2 Protection arrangement for use in a hot rolling mill |
| 04/21/1987 | US4659398 Continuous heating of web section after hot rolling until straightening |
| 04/21/1987 | US4659397 Controlled heating and ofrging ratio |
| 04/21/1987 | US4659375 Method of heating, melting and coal conversion |
| 04/21/1987 | CA1220699A1 Modular cooling process to minimize distortions in metal flats |
| 04/21/1987 | CA1220620A1 Apparatus for optimizing cooling of a generally circular cross-sectional, longitudinal shaped workpiece |
| 04/16/1987 | DE3633490A1 Rotor for a ring-spinning frame or ring-twisting frame |
| 04/16/1987 | DE3536684A1 Process for hardening matrix printer needles |
| 04/16/1987 | DE3536609A1 Device for heat-treating steel pipes |
| 04/14/1987 | US4658111 Method for hardening a surface of a cam provided on a camshaft |
| 04/09/1987 | WO1987002067A1 Process for continuous patenting of wire and device for carrying out the process |