| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 08/31/1983 | EP0086988A1 Method and apparatus for quenching steel pipes |
| 08/30/1983 | US4401486 Method for annealing work hardened portions of structural beams |
| 08/30/1983 | US4401485 Method for inductively heating thin-walled elongated workpieces |
| 08/30/1983 | US4401484 Floating through heating and cooling zones while treating to impart wave-like form |
| 08/30/1983 | US4401481 Multistage cooling; crystallization then transformation |
| 08/30/1983 | US4401479 Apparatus and method for processing wire stand cable for use in prestressed concrete structures |
| 08/30/1983 | US4401478 Immersion in a molten metal bath while being rotated in a cylindrical furnace |
| 08/30/1983 | US4401294 Apparatus for coiling and cooling wire rod |
| 08/30/1983 | CA1152870A1 Process for continuously annealing of a cold rolled steel strip |
| 08/24/1983 | EP0086408A2 Method and apparatus for heat treating steel |
| 08/24/1983 | EP0086357A1 Method for providing a crankcase for a reciprocating internal combustion engine and crankcase realized by said method |
| 08/24/1983 | EP0086331A1 Continuous heat treating line for mild and high tensile strength stell strips or sheets |
| 08/24/1983 | EP0086265A1 Method of controlled cooling for steel strip |
| 08/24/1983 | EP0086215A1 Cooling device for rod wire |
| 08/23/1983 | US4399984 Automatic installation for the heat treatment of workpieces in fluidized beds |
| 08/17/1983 | EP0085733A1 Vertical continuous annealing furnace and its operating method |
| 08/17/1983 | EP0085720A1 Process for manufacturing cold rolled deep-drawing steel plate showing delayed aging properties and low anisotropy |
| 08/17/1983 | EP0016846B1 Process for producing high-strength cold-rolled steel plate for press working |
| 08/16/1983 | US4398973 Traverse annealer |
| 08/16/1983 | US4398965 Method of making iron golf clubs with flexible impact surface |
| 08/16/1983 | US4398700 Annealing furnace with an improved cooling section |
| 08/09/1983 | US4397600 Device for feeding material to a furnace |
| 08/09/1983 | US4397449 Apparatus for cooling hot-rolled wire rods |
| 08/09/1983 | CA1151419A1 Gas-liquid cooling apparatus |
| 08/04/1983 | WO1983002661A1 Furnace for preheating elongate materials |
| 08/03/1983 | EP0084902A1 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 |
| 08/03/1983 | EP0084785A1 Quenching metal or an alloy on a belt |
| 08/02/1983 | CA1150915A1 Copper wire for intrauterine birth control devices and a method for manufacturing the same |
| 07/27/1983 | EP0084335A2 Apparatus for quenching molten metal or an alloy on a belt |
| 07/26/1983 | US4395022 Method of and apparatus for controlled cooling of metallurgical products |
| 07/26/1983 | US4395021 Vertical continuous annealing furnace and its operating method |
| 07/24/1983 | US4461658 Method for sequentially annealing and then hardening long metal components made of fine or special steel |
| 07/19/1983 | US4394194 Method for heat treating structural members |
| 07/19/1983 | US4394193 Method and device for the continuous, contactless monitoring of the structure state of cold strip |
| 07/19/1983 | US4394188 Hot rolling, coiling, cold rolling |
| 07/19/1983 | US4394186 Method for producing a dual-phase steel sheet having excellent formability, high artificial-aging hardenability after forming, high strength, low yield ratio, and high ductility |
| 07/19/1983 | US4393821 Cylinder or cylinder liner |
| 07/12/1983 | US4392815 Burner for bottom fired furnace |
| 07/06/1983 | EP0083291A2 Process and apparatus for continuously annealing metallic wires |
| 07/05/1983 | US4391653 Process for producing cold rolled steel strip having excellent mechanical strength and useful for motor vehicles |
| 07/05/1983 | US4391587 Slab heating furnace |
| 07/05/1983 | CA1149349A1 Procedure and device for shipping hot metal goods |
| 07/05/1983 | CA1149200A1 Method of finishing welded joints by means of explosion |
| 06/29/1983 | EP0082157A1 Remelting hardening |
| 06/21/1983 | CA1148452A1 Process for manufacturing crushing bodies from a ferrous alloy and the new crushing bodies obtained by this process |
| 06/15/1983 | EP0081132A1 Cooling apparatus for thick steel plate |
| 06/14/1983 | US4388169 Apparatus for surface treatment of a steel strip |
| 06/14/1983 | US4388123 Method for the manufacture of steel suitable for electric-welded tubular products having superior resistance to sour gas |
| 06/08/1983 | EP0080932A1 Method and device for the controlled cooling of sheets |
| 06/08/1983 | EP0080921A1 Method and arrangement for realizing a transversal heating homogeneity by electromagnetic induction of long, thin, continuously advancing products |
| 06/07/1983 | US4386458 Fatigue resistance for coupling and connection joint mechanisms |
| 06/01/1983 | EP0080290A1 Lift-off means and method for use with a horizontal continuous hearth roll furnace for the treatment of metallic strip |
| 05/31/1983 | US4385945 Lift-off means and method for use with a horizontal continuous hearth roll furnace for the treatment of metallic strip |
| 05/25/1983 | EP0079864A1 Process for high-temperature carburizing treatment of track bushes for tractors or tracked vehicles, with carburizing atmosphere produced in situ, direct quenching, annealing at ends and total stress relieving |
| 05/25/1983 | EP0079621A2 Method and apparatus for cooling steel pipes |
| 05/24/1983 | USRE31251 Process for producing a high tension steel sheet product having an excellent low-temperature toughness with a yield point of 40 kg/mm2 or higher |
| 05/24/1983 | CA1146746A1 Cooling apparatus for diffusers |
| 05/17/1983 | US4383871 Knives for food slicing machines |
| 05/17/1983 | US4383677 Blade fabricating process |
| 05/17/1983 | CA1146455A1 Continuous heat treatment plant for steel sheet |
| 05/11/1983 | EP0078694A2 Method of producing elongate large-size forged article |
| 05/11/1983 | EP0009050B1 High strength steel and process of making |
| 05/10/1983 | US4382374 Method of, and apparatus for, effecting temperature-equalization of hot steel strip |
| 05/10/1983 | CA1146226A1 Blade fabricating apparatus and process by induction heating |
| 05/03/1983 | US4381660 Carbon dioxide spray cooling during stretching of stainless steel weld |
| 04/27/1983 | EP0077627A2 Corrosion resistant steel components and method of manufacture |
| 04/27/1983 | EP0077448A2 Process and device for cooling elongated hot metal articles, especially continuously cast billets and blooms |
| 04/12/1983 | US4379691 Olivine bedding material for soaking pits |
| 04/12/1983 | US4379547 Continuous cold rolling and annealing apparatus for steel strip |
| 04/12/1983 | CA1144403A1 Process for producing high-tension bainitic steel having high-toughness and excellent weldability |
| 04/12/1983 | CA1144363A1 Process and arrangement for the zonal heating or cooling of elongate treatment members |
| 04/06/1983 | EP0075803A1 Process for producing cold rolled steel sheets having excellent press formability and ageing behaviour |
| 03/30/1983 | EP0075438A1 Heat treatment of metals |
| 03/17/1983 | WO1983000881A1 Method of cooling metallic strip |
| 03/17/1983 | WO1983000880A1 Device for selectively cooling one side edge of steel band in continuous annealing |
| 03/17/1983 | WO1983000879A1 Electric heat type heat treatment oven |
| 03/16/1983 | EP0074347A2 Process for making transporting screws |
| 03/15/1983 | US4376661 Hot rolling, cold rolling, heat treatment and cooling |
| 03/15/1983 | US4376528 Steel pipe hardening apparatus |
| 03/08/1983 | US4375998 Method and apparatus for cooling metal strip wound into coils |
| 03/08/1983 | US4375995 Method for manufacturing high strength rail of excellent weldability |
| 03/08/1983 | US4375884 Apparatus for the controlled cooling of wire rod from its rolling temperature |
| 03/03/1983 | WO1983000646A1 Cooling device for rod wire |
| 03/02/1983 | EP0073092A1 Method of manufacturing T-3 grade low temper blackplates |
| 03/02/1983 | EP0072901A1 Process and apparatus for the uniform heating of elongated workpieces by induction |
| 03/02/1983 | EP0072874A1 Dual-purpose plant for producing cold rolled steel sheet and hot-dip galvanized steel sheet |
| 03/02/1983 | EP0072867A1 Process for manufacturing high-tensile hot-rolled steel strip having a low yield ratio due to its mixed structure |
| 03/01/1983 | US4375378 Steels |
| 03/01/1983 | US4375283 Method of controlling tensions in continuous annealing furnace and system therefor |
| 03/01/1983 | CA1142196A1 Piston ring and method of making same |
| 03/01/1983 | CA1142069A1 Process for producing two-phase high tension cold rolled steel sheet having improved workability |
| 03/01/1983 | CA1142068A1 Process for producing high strength cold rolled steel sheet having excellent paintability, weldability and workability |
| 02/22/1983 | US4374683 Process for manufacturing ferritic stainless steel sheet having good formability, surface appearance and corrosion resistance |
| 02/22/1983 | US4374682 Process for producing deep-drawing cold rolled steel strips by short-time continuous annealing |
| 02/22/1983 | CA1141633A1 Process and installation for the handling and heat treatment of cast iron or steel pipes and tubes |
| 02/17/1983 | WO1983000507A1 Process for manufacturing cold rolled deep-drawing steel plate showing delayed aging properties and low anisotropy |
| 02/16/1983 | EP0072355A1 Process for direct treatment of links for tractors or tracked vehicles |
| 02/15/1983 | US4373973 Method of manufacture of high performance gears |
| 02/15/1983 | US4373971 Process for the production of ferritic stainless steel sheets or strips and products produced by said process |
| 02/15/1983 | US4373706 Apparatus for heat treatment of material to be worked on, especially of aluminum or magnesium alloys |