| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 09/19/1984 | EP0119088A1 Steel for use as material of cold-rolled steel sheet |
| 09/18/1984 | US4472616 Process and apparatus to obtain homogeneous transverse heating by electromagnetic induction of continuously passing long and thin products |
| 09/18/1984 | CA1174532A1 Apparatus and method for supporting a metal strip under a static gas pressure |
| 09/18/1984 | CA1174460A1 Continuous gold rolling and annealing apparatus for steel strip |
| 09/11/1984 | US4470808 Pushing furnace for heating steel |
| 09/11/1984 | US4470802 Highly buildup-resistant hearth roll for conveying a steel strip through a continuous annealing furnace and a method therefor |
| 09/04/1984 | US4469534 Method for controlled temperature accumulator for elongated materials |
| 09/04/1984 | US4469530 Method for reducing the hardening distortion during case hardening of large toothed rims formed of steel and support body members suitable for such purpose |
| 09/04/1984 | US4469314 Metal heating furnace |
| 09/04/1984 | CA1173729A1 Process for manufacturing ferritic stainless steel sheet having good formability, surface appearance and corrosion resistance |
| 08/29/1984 | EP0117083A1 Method and apparatus for cooling a metal strip in a continuous annealing furnace |
| 08/28/1984 | US4468262 Method of cooling hot-rolled wire rods |
| 08/28/1984 | US4468261 Method of normalizing sucker rods using a normalizing unloader |
| 08/28/1984 | US4468010 Method and apparatus for quench hardening thin-walled, elongated workpieces |
| 08/22/1984 | EP0116359A2 Rail wheel |
| 08/21/1984 | US4467169 Cylinder liner |
| 08/21/1984 | US4466574 Cooling apparatus |
| 08/15/1984 | EP0115670A1 Method and apparatus for producing welded ferritic stainless steel tubing having improved weld ductility in the as-welded condition |
| 08/14/1984 | US4465912 Coiler-furnace combination |
| 08/14/1984 | US4465224 Precooling |
| 08/14/1984 | US4465086 Sealing device for a sheet metal treating machine |
| 08/14/1984 | CA1172446A1 Controlled cooling apparatus for hot rolled wire rods |
| 08/07/1984 | US4464565 Extensible tape heater |
| 08/07/1984 | US4464209 Clad steel pipe excellent in corrosion resistance and low-temperature toughness and method for manufacturing same |
| 08/07/1984 | US4463864 Basket for retaining parts during heat treatment |
| 08/07/1984 | US4463771 Device for closing the ends of a machine for treating metal sheets |
| 08/07/1984 | US4463585 Heat shield arrangement for a rolling mill |
| 07/31/1984 | US4462792 Reheating metal bodies with recovered blast-furnace energy |
| 07/31/1984 | CA1171914A1 Method and apparatus for heat treating structural members |
| 07/24/1984 | US4461462 Apparatus for cooling steel pipe |
| 07/24/1984 | CA1171305A1 Ferritic steel alloy with improved high temperature properties |
| 07/18/1984 | EP0020357B1 Lower bainite alloy steel article |
| 07/10/1984 | US4459451 Induction hardening apparatus and process for the use thereof |
| 07/10/1984 | US4459164 Method and apparatus for compensating for axial deformation of screw shafts due to heat treatment |
| 07/10/1984 | US4458885 Quenching apparatus for steel pipes |
| 07/10/1984 | US4458427 Process and device for intensive heat and material transfer |
| 07/10/1984 | CA1170767A1 Method of controlling a reheat furnace to control skid mark effects |
| 07/10/1984 | CA1170480A1 Ferritic stainless steel and processing therefor |
| 07/10/1984 | CA1170449A1 Method of operating a reheating furnace in a hot rolling line and a reheating furnace employed therefor |
| 07/05/1984 | WO1984002535A1 Process for producing corrosion-resistant alloy steel |
| 07/04/1984 | EP0112608A1 Method for improving the ductility of autogenous welds in unstabilized, ferritic stainless steel coils |
| 07/03/1984 | US4458127 Inductor for annealing work hardened portions of structural beams |
| 07/03/1984 | US4458125 Method of repairing a crack in the material of a steel rail |
| 07/03/1984 | CA1170042A1 Jet impingement/radiant heating apparatus |
| 06/27/1984 | EP0112027A1 A method of manufacturing cold rolled steel sheets for extra deep drawing with an excellent press formability |
| 06/27/1984 | EP0111985A2 Process for cooling thin metal strips |
| 06/26/1984 | US4456812 Laser treatment of electrical steel |
| 06/26/1984 | US4455848 Apparatus for underwinding strip on a drum in a hot reversing mill |
| 06/21/1984 | WO1984002390A1 Heat treatment furnace with crown-shaped transport path for the work-pieces |
| 06/21/1984 | WO1984002354A1 High strength, low carbon, dual phase steel rods and wires and process for making same |
| 06/19/1984 | US4455177 Method and apparatus for chemical heat treatment of steel parts utilizing a continuous electric furnace |
| 06/19/1984 | US4455136 Floating equipment and floating-type heat treating furnace for striplike works |
| 06/19/1984 | CA1169338A1 Method of cooling steel pipes |
| 06/19/1984 | CA1169271A1 Ferritic stainless steel having improved toughness and weldability |
| 06/19/1984 | CA1169244A1 High temperature box annealing furnace |
| 06/13/1984 | EP0110652A1 Apparatus and methods for rolling and treating steel rod |
| 06/13/1984 | EP0110597A2 Pneumatic radial tires |
| 06/12/1984 | US4453987 Method for producing edged tools |
| 06/12/1984 | US4453986 Tubular high strength low alloy steel for oil and gas wells |
| 06/05/1984 | US4452647 Rolls for steelmaking and paper calendering |
| 06/05/1984 | US4452587 Heat shield; and insulation panels therefor |
| 06/05/1984 | US4452061 Seamless steel pipe manufacturing installation |
| 05/30/1984 | EP0109843A1 Resistance heater probe |
| 05/29/1984 | US4450608 Apparatus for producing tempered plate parts |
| 05/23/1984 | EP0109185A1 High temperature box annealing furnace |
| 05/22/1984 | US4450017 Treatment of thin sheet steel used for electrical motors and transformers |
| 05/22/1984 | US4449923 Continuous heat-treating furnace |
| 05/16/1984 | EP0108575A2 Local annealing treatment for cube-on-edge grain oriented silicon steel |
| 05/16/1984 | EP0108573A2 Local heat treatment of electrical steel |
| 05/16/1984 | EP0108436A1 Rail making process and rails so produced |
| 05/16/1984 | EP0108357A1 Batch annealing apparatus |
| 05/16/1984 | EP0108328A1 Continuous annealing apparatus |
| 05/15/1984 | US4448615 Method of spot annealing tubing |
| 05/15/1984 | US4448614 Jetting cooling liquids and gases onto surfaces of moving strips |
| 05/15/1984 | US4448610 Spray cooling in chill mold, then bainitisation in a furnace |
| 05/15/1984 | US4448401 Apparatus for combined hot rolling and treating steel rod |
| 05/10/1984 | WO1984001788A1 Method and apparatus for the manufacture of non-allergy creating precious metal objects |
| 05/09/1984 | EP0107991A1 Apparatus and method for the adjustment of the heating capacity of a heating plant for continuously moving metallic strip |
| 05/08/1984 | CA1166804A1 Stable slurry of inactive magnesia and method therefor |
| 05/02/1984 | EP0107237A1 Method for the automatic control of the structure of rolled steel products |
| 05/02/1984 | EP0106989A1 Basket for holding parts on a base during their heat treatment |
| 05/01/1984 | US4445946 High strength cold rolled steel strip having an excellent deep drawability |
| 05/01/1984 | US4445852 Diffusers |
| 05/01/1984 | US4445525 Arrangement of the input and output ends of a cooling machine for metal sheets |
| 04/26/1984 | WO1984001586A1 Process and installation for the treatment of cylindrical products, particularly armouring bars by hardening and drawing temper |
| 04/26/1984 | WO1984001585A1 Process for manufacturing cold-rolled steel for deep drawing |
| 04/25/1984 | EP0106166A1 Method and apparatus for the continuous annealing of steel strips |
| 04/24/1984 | US4444604 Method of preventing distortion of a heated workpiece during cooling |
| 04/24/1984 | US4444558 System for heating broadwise-end portions of metal material |
| 04/24/1984 | US4444556 Cooling apparatus |
| 04/24/1984 | US4444376 Multi-pipe type quenching apparatus |
| 04/18/1984 | EP0105302A1 Improved supports of heating bodies intended to annealing furnaces. |
| 04/17/1984 | US4443272 Casting, hot rolling, annealing, carbon, manganese, phosphorus, aluminum, nitrogen, boron |
| 04/17/1984 | US4442690 Coiler-furnace combination |
| 04/10/1984 | US4441936 High-strength, low-yield-point, cold-rolled steel sheet or strip suitable for deep drawing |
| 04/10/1984 | US4441698 Furnace for the heat treatment of drills |
| 04/03/1984 | US4440584 Method and apparatus for cooling steel sheet |
| 04/03/1984 | US4440583 Method of controlled cooling for steel strip |
| 04/03/1984 | CA1164616A1 Apparatus for and a method of curing a continuous length of a curable material |
| 03/28/1984 | EP0103588A1 Device for determining hydrogen flux |