| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 08/03/1982 | US4342609 Explosion method of finishing welded joints |
| 08/03/1982 | US4342593 Castings |
| 08/03/1982 | CA1128841A1 Method for manufacturing high-strength cold-rolled steel strip excellent in press-formability |
| 07/28/1982 | EP0056540A1 Sealing device for a machine for treating sheet metal |
| 07/28/1982 | EP0056538A1 Obturator at the extremities of a machine for treating sheet material |
| 07/27/1982 | CA1128434A1 High pressure fuel injection tubing material and method of manufacturing the same |
| 07/27/1982 | CA1128379A1 Method for reducing metal oxide formation on a continuous metal sheet in the hot dip coating thereof and the furnace used therein |
| 07/20/1982 | US4340361 Apparatus for heat-treating cast iron pipes |
| 07/20/1982 | CA1127841A1 Method and apparatus for heating coils of strip |
| 07/13/1982 | US4339284 Method of producing non-ageing cold rolled steel sheets |
| 07/13/1982 | CA1127512A1 Electrolytic base coating used in the production of high permeability silicon steel |
| 07/13/1982 | CA1127511A1 Processing for electromagnetic silicon steel |
| 07/13/1982 | CA1127388A1 Apparatus for nitriding metal under pressure |
| 07/13/1982 | CA1127387A1 Internal cooling of heat exchanger tubes |
| 07/06/1982 | US4338077 Method for controlling temperature of multi-zone heating furnace |
| 06/29/1982 | CA1126506A1 Method of controlling steel strip temperature in continuous heating equipment |
| 06/23/1982 | EP0054343A2 Method for manufacturing tapered rods and apparatus therefor |
| 06/22/1982 | US4336083 Method of producing knife for cutting hot metal |
| 06/22/1982 | US4336080 Method for manufacturing high-strength cold-rolled steel strip excellent in press-formability |
| 06/22/1982 | CA1126056A1 Copper-nickel-silicon-chromium alloy having improved electrical conductivity |
| 06/16/1982 | EP0053913A1 Method for producing high-strength deep-drawable dual-phase steel sheets |
| 06/10/1982 | WO1982001894A1 Continuous steel plate quenching apparatus |
| 06/10/1982 | WO1982001893A1 Method of manufacturing thin steel plate for drawing with baking curability |
| 06/08/1982 | US4333777 Method and apparatus for compensating for local temperature difference of steel product |
| 06/08/1982 | CA1125150A1 High strength steel profile and method of making the same |
| 06/01/1982 | US4332630 Continuous cooling of low carbon steel wire rod |
| 06/01/1982 | CA1124512A1 Annealing furnace |
| 05/26/1982 | EP0052308A1 Method of making high-strength steel forgings |
| 05/25/1982 | US4331488 Ratio of titanium to the sum of carbon plus nitrogen |
| 05/25/1982 | US4331474 Ferritic stainless steel having toughness and weldability |
| 05/25/1982 | US4331196 Process for producing non-directional electrical steel sheets free from ridging |
| 05/25/1982 | US4330912 Furnace roll |
| 05/18/1982 | USRE30933 Apparatus for continuous treatment of low-carbon cold-rolled steel sheet having excellent cold working properties |
| 05/18/1982 | US4330263 Method of controlling a reheat furnace to control skid mark effects |
| 05/18/1982 | US4330112 Apparatus for cooling a steel strip in a continuous annealing line |
| 05/18/1982 | US4330111 Multi-purpose in-line direct heat treating equipment for hot rolled steel wire rod |
| 05/12/1982 | EP0051511A1 Cast roll for cold rolling, and method for its production |
| 05/11/1982 | CA1123332A1 Burners for soaking pit furnaces, soaking pit furnaces including such burners and methods of supplying heat to soaking pit furnaces |
| 05/11/1982 | CA1123238A1 Hot-rolling mill for non-ferrous metals and work rolls therefor |
| 05/11/1982 | CA1123190A1 Device for cooling long items of material which have been heated |
| 05/04/1982 | CA1122887A1 Method and apparatus for annealing steel |
| 05/04/1982 | CA1122886A1 Silicon steel and processing therefore |
| 04/29/1982 | WO1982001379A1 Process for manufacturing hot-rolled dual-phase high-tensile steel plate |
| 04/28/1982 | EP0050356A1 Method for producing ferritic stainless steel sheets or strips containing aluminum |
| 04/27/1982 | US4326897 By circulation of a heated fluid |
| 04/27/1982 | US4326699 Oil-tempering apparatus for pipes |
| 04/21/1982 | EP0049730A1 An apparatus for surface treatment of a steel strip |
| 04/21/1982 | EP0049729A1 Process and apparatus for cooling a cold rolled steel strip |
| 04/20/1982 | US4325752 Method for making shadow masks |
| 04/20/1982 | CA1122106A1 Method for the treatment of aluminum strip |
| 04/13/1982 | US4324598 Coating with separator of limited water content, drying, coiling |
| 04/07/1982 | EP0049004A1 Process for making rails, and rails so produced |
| 04/07/1982 | EP0049000A2 Heat shields for rolling mills |
| 04/06/1982 | US4323404 Method for providing single piece with plural different mechanical characteristics |
| 04/06/1982 | US4323403 Continuous annealing method for cold reduced steel strip |
| 04/01/1982 | WO1982001016A1 Method and apparatus for surface hardening cams |
| 03/31/1982 | EP0048503A2 Heat shield arrangements for strip or billet-form material |
| 03/31/1982 | EP0048351A1 High strength cold rolled steel strip having an excellent deep drawability |
| 03/30/1982 | US4322600 Method and apparatus for forming microcavities on the surface of a rolling mill roll |
| 03/30/1982 | US4322060 Quench tank steering roll assembly |
| 03/30/1982 | CA1120831A1 Method of producing steel pipe material for oil well |
| 03/23/1982 | US4321098 Continuous hardening of high speed steel |
| 03/23/1982 | US4321097 Blade fabricating process |
| 03/23/1982 | US4320646 Wire or wire rod coolers |
| 03/23/1982 | CA1120346A1 Method for preventing decarburization of steel materials |
| 03/16/1982 | CA1119796A1 Cover for soaking pits and the like |
| 03/09/1982 | US4318534 Plate quench |
| 03/02/1982 | US4317290 Heat treatment apparatus |
| 02/23/1982 | US4316753 Method for producing low alloy hot rolled steel strip or sheet having high tensile strength, low yield ratio and excellent total elongation |
| 02/23/1982 | US4316717 Method of controlling strip temperatures |
| 02/23/1982 | CA1118619A1 High strength steel and process of making |
| 02/18/1982 | WO1982000476A1 Contacting device for electro-contact heating of moving elongated articles |
| 02/17/1982 | EP0045958A2 Ferrite stainless steel sheets having excellent workability and process for producing the same |
| 02/17/1982 | EP0045881A1 Apparatus for hardening gear wheels |
| 02/16/1982 | US4315783 Method of producing non-ageing cold rolled steel strip with excellent deep-drawability by continuous heat treatment |
| 02/09/1982 | US4315124 Heating modules for billets in inductive heating furnaces |
| 02/09/1982 | US4314861 Manufacturing method of elbows made of cast stainless steel |
| 02/09/1982 | US4314860 Method for direct heat treating hot rolled steel wire rod |
| 02/09/1982 | US4314790 Method of and device for shipping hot metal goods |
| 02/09/1982 | US4314594 Reducing magnetic hysteresis losses in cores of thin tapes of soft magnetic amorphous metal alloys |
| 02/09/1982 | CA1118074A1 Method of controlling a heating furnace for steel ingots |
| 02/02/1982 | US4313772 Continuous heat-treatment process for steel strip |
| 02/02/1982 | US4313770 Method of producing cold rolled steel strip having improved press formability and bake-hardenability |
| 01/26/1982 | US4312685 Axial reciprocation of torch and camshaft |
| 01/26/1982 | US4312094 Apparatus for rapidly cooling elongated metallic products during their movement in longitudinal direction by a liquid cooling jet and for removing the latter from the surface of the product after the cooling |
| 01/26/1982 | CA1116948A1 Method and apparatus for obtaining bright finish galvanizing coating on wire |
| 01/19/1982 | USRE30851 Method for producing low-carbon cold rolled steel sheet having excellent cold working properties and an apparatus for continuous treatment thereof |
| 01/19/1982 | US4311538 Method of sealing an inner cover arranged in a box annealing furnace used for producing grain-oriented silicon steel sheets |
| 01/19/1982 | US4311454 Method of soaking steel pieces |
| 01/19/1982 | US4311030 Method and apparatus for controlling temper-rolled profile of cold rolled steel strip after continuous annealing |
| 01/12/1982 | US4310302 Batch coil annealing furnace baseplate |
| 01/12/1982 | US4310031 Apparatus for fanning out wire coils |
| 01/12/1982 | US4309886 Process for producing steel strip material for use in manufacture of shadow mask of Braun tube for color TV |
| 01/12/1982 | CA1116057A1 Heat treatment methods for annealing cast iron pipes |
| 01/05/1982 | US4309583 Heat-treating apparatus for prolonging the life of a pressure vessel, especially a reactor pressure vessel |
| 01/05/1982 | US4309171 Billet heating furnace with pressurized entrance seal |
| 01/05/1982 | US4308881 Apparatus for cooling elongated products during their passage through the apparatus |
| 12/23/1981 | EP0042029A1 Conveyor roll for an annealing furnace |
| 12/15/1981 | US4306172 Shadow mask of braun tube for color TV and process for manufacturing the same |
| 12/15/1981 | US4305272 Agricultural discs |