| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 03/04/1986 | CA1201366A1 Centrifugally cast tube of spheroidal graphite cast- iron and its method of manufacture |
| 03/04/1986 | CA1201289A1 Basket for retaining parts during heat treatment |
| 03/04/1986 | CA1201288A1 Continuous annealing apparatus |
| 02/26/1986 | EP0172544A2 Process for heat treating hot rolled steel rod or wire for prestressing concrete |
| 02/26/1986 | EP0172533A2 Method and apparatus for heating ingots suitable for rolling |
| 02/26/1986 | EP0172250A1 Apparatus for dip-hardening metal pipe |
| 02/25/1986 | US4572751 Spheroidal graphite particles; smooth crack resistant |
| 02/25/1986 | US4572749 Method and an apparatus for heat treatment of a workpiece |
| 02/25/1986 | CA1201045A1 Method of providing an anti-stick coating on non- oriented, semi-processed electrical steels to be subjected to a quality anneal |
| 02/18/1986 | US4571274 Using hearth rolls having tapered configuration |
| 02/18/1986 | US4571273 Process of heating and cooling charges in batch-process industrial furnaces |
| 02/18/1986 | US4570453 Apparatus for continuously cooling heated metal plate |
| 02/12/1986 | EP0171212A1 Rolled steel bar |
| 02/12/1986 | EP0171197A2 Process for producing, by continuous annealing, soft blackplate for surface treatment |
| 02/12/1986 | EP0171132A2 Method for producing a weldable austenitic stainless steel in heavy sections |
| 02/11/1986 | US4569256 Method of making a seamless punch |
| 02/11/1986 | CA1200474A1 Method of controlled cooling for steel strip |
| 02/11/1986 | CA1200469A1 Dynamic annealing method for optimizing the magnetic properties of amorphous metals |
| 02/10/1986 | CN85103825A Technology of mf (middle frequency) induction quenching |
| 02/05/1986 | EP0170585A1 Temperature-homogenizing device for continuously moving metallic products |
| 02/05/1986 | EP0170463A2 Method for rolling and heat treating small diameter stainless steel rod |
| 02/05/1986 | EP0170348A1 Solution heat treated engine poppet valves |
| 02/04/1986 | US4568394 Cold drawing a rod after austenitizing, oil quenching, and tempering; fatigue |
| 02/04/1986 | US4568279 Muffle furnace for continuous heat treatment |
| 02/04/1986 | US4568274 Heat treating furnace for metallic strip |
| 01/29/1986 | EP0169827A1 Method for producing high-carbon steel wire rod |
| 01/29/1986 | EP0169372A2 Apparatus for in situ annealing of a pressure vessel |
| 01/22/1986 | EP0168788A2 Continuous type atmosphere heat treating furnace |
| 01/21/1986 | US4565325 Water cooling apparatus for metal sheets and belts |
| 01/21/1986 | CA1199560A1 Process for producing deep-drawing cold rolled steel sheets and strips |
| 01/15/1986 | EP0168375A1 Coiler furnace |
| 01/15/1986 | EP0168130A2 Apparatus and method of hardening valve seats |
| 01/15/1986 | EP0167618A1 Coffin delivery system for metallurgical furnace. |
| 01/14/1986 | US4564402 Method for preventing disbonding of weld-cladding |
| 01/08/1986 | EP0167134A2 Process for alloying for galvanization and alloying furnace therefor |
| 01/08/1986 | CN85200536U One-layered water bath processing device for wire |
| 01/02/1986 | EP0166713A1 Reel |
| 01/02/1986 | EP0166712A1 Coiler furnace |
| 01/02/1986 | EP0166239A1 Process for producing concrete-reinforcing steel bars or rods emerging from the rolling mill |
| 12/31/1985 | US4561911 Aqueous solution for cooling cold-rolled steel strip in a continuous annealing process |
| 12/31/1985 | US4561910 Contains ferrite and martensite |
| 12/31/1985 | US4561909 Method of manufacturing T-3 grade low temper black plates |
| 12/31/1985 | US4561908 Method of making forged steel articles, especially for vehicle parts |
| 12/31/1985 | US4561886 Method of heating, melting and coal conversion and apparatus for the same |
| 12/31/1985 | CA1198708A1 Method of box-annealing steel sheet to minimize annealing stickers |
| 12/31/1985 | CA1198615A1 Steel screws and bolts exhibiting superior mechanical properties, and their manufacture |
| 12/27/1985 | EP0165586A2 Installation with a furnace for strand pieces cut to measure in a continuous-casting plant |
| 12/20/1985 | CN85102032A Fiery pit type furnace and heating process for treating steel products |
| 12/18/1985 | EP0164828A2 Method for improving the annealing separator coating on silicon steel and coating therefor |
| 12/11/1985 | EP0164263A2 Production of a base steel sheet to be surface-treated which is to produce no stretcher strain |
| 12/10/1985 | CA1197761A1 Process for manufacturing high performance tubulars and intercritically heat treated tubulars formed thereby |
| 12/10/1985 | CA1197757A1 Method for coating silicon steel |
| 12/04/1985 | EP0163388A1 Insulative coating composition for electrical steels |
| 12/03/1985 | US4555909 Method and apparatus for improved cooling of hot materials |
| 11/27/1985 | EP0162209A1 A process for hardening elongate metal elements |
| 11/26/1985 | CA1197163A1 Continuous annealing apparatus and method |
| 11/26/1985 | CA1197118A1 Uo steel pipe welding method |
| 11/26/1985 | CA1197094A1 Apparatus and method for spot annealing tubing |
| 11/21/1985 | EP0162013A2 Warming-up furnace for cylindrical products |
| 11/21/1985 | EP0161861A2 Continuous annealing method and apparatus for cold rolled steel strips |
| 11/21/1985 | EP0161624A2 Method of producing a camshaft |
| 11/21/1985 | EP0161408A2 Process for surface-hardening by remelting cast iron cylinders |
| 11/19/1985 | US4554441 Electric heating coil |
| 11/19/1985 | US4554029 Local heat treatment of electrical steel |
| 11/19/1985 | US4553929 Heating furnace |
| 11/19/1985 | CA1196841A1 Method of cooling cold steel strip with cooling rolls |
| 11/13/1985 | EP0161236A2 Apparatus for manufacturing rails |
| 11/13/1985 | EP0160886A2 Method and apparatus for applying heat to articles and materials |
| 11/12/1985 | CA1196584A1 Metallic tubular structure having improved collapse strength and method of producing the same |
| 11/12/1985 | CA1196557A1 Method for producing dual-phase and zinc-aluminium coated steels from plain low carbon steels |
| 11/12/1985 | CA1196556A1 Process for producing steel wire or rods of high ductility and strength |
| 11/06/1985 | EP0160229A1 Slurry for coating silicon steel and process for coating silicon steel |
| 11/06/1985 | EP0160075A1 Method and apparatus for controlling the temperature of an article during treatment in vacuum |
| 11/05/1985 | US4551183 Cooling under water and pressure |
| 11/05/1985 | US4551182 Process for producing deep-drawing cold rolled steel sheets and strips |
| 11/05/1985 | US4550487 Process for preparing strips or sheets of high strength austenitic steel having improved fatigue strength |
| 11/05/1985 | CA1196259A1 Method and apparatus for cooling steel pipe |
| 11/05/1985 | CA1196258A1 Method and apparatus for cooling steel sheet |
| 10/30/1985 | EP0159806A2 Apparatus for cooling strip of metals |
| 10/30/1985 | EP0159774A1 Method and apparatus for heat treating steel plates |
| 10/29/1985 | US4549866 Method and apparatus for applying heat to articles and materials |
| 10/29/1985 | CA1195822A1 Procedure and means in the manufacturing of hard- surfaced, cast-iron objects, in particular of rolls such as rolls for the steel industry or paper rolls, and roll or equivalent manufactured by the procedure |
| 10/23/1985 | EP0159029A2 Method of and apparatus for heating magnetizable metal work pieces |
| 10/22/1985 | US4548653 Cast cold rolling roll and its method of manufacture |
| 10/22/1985 | US4548052 Apparatus for cooling a strip prior to a minispangle operation |
| 10/15/1985 | US4547229 Heat treatment of head to give large particle sized grains and shielding of stem to give finer grains |
| 10/15/1985 | US4546957 Apparatus for combined hot rolling and treating steel rod |
| 10/09/1985 | EP0157737A1 Process for the production of a metal-synthetic-composite |
| 10/09/1985 | EP0157025A1 Rotary hearth finish annealing furnace |
| 10/09/1985 | EP0156888A1 Process for heat treating metals in pot furnaces and cover furnaces |
| 10/08/1985 | US4545828 Improving the core loss and controlling secondary grain growth |
| 10/08/1985 | US4545826 Nitrogen additions; annealing at low temperature |
| 10/08/1985 | CA1194768A1 High-durable pneumatic radial tires |
| 10/08/1985 | CA1194713A1 Dual phase-structured hot rolled high-tensile strength steel sheet and a method of producing the same |
| 10/02/1985 | EP0156745A1 Tunnel-type muffle oven for thermal treatment |
| 10/02/1985 | EP0156545A2 Heat treatment with an autoregulating heater |
| 10/02/1985 | EP0156147A1 Method and device for annealing metal work pieces |
| 10/02/1985 | EP0060257B1 Method for surface hardening cams |
| 10/01/1985 | US4544142 Rotary hearth finish annealing furnace |
| 10/01/1985 | US4543891 Apparatus for batch-annealing a charge |