| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 05/26/1993 | EP0542813A1 Apparatus and method of induction-hardening machine components with precise power output control. |
| 05/26/1993 | EP0388437B1 Long life cover for heat chamber |
| 05/26/1993 | CN1072460A Improvement in method for prepn. of high-strength fine wire of high-carbon steel |
| 05/25/1993 | US5214258 Apparatus and method of ultra rapid annealing by induction heating of thin steel strip |
| 05/25/1993 | US5213637 Method for producing steel wires intended for the manufacture of flexible conduits |
| 05/25/1993 | US5213636 Method and apparatus of quench hardening of gear teeth surfaces |
| 05/25/1993 | US5212856 Tunnel system for a hot strip rolling mill linked to the continuous casting of thin slabs |
| 05/25/1993 | CA1318362C Insitu energy beam processing of railroad track and equipment for increasing service lifetime |
| 05/25/1993 | CA1318227C Process of operating a bell-type convection annealing furnace |
| 05/18/1993 | CA1317859C Method for producing roll steel products |
| 05/13/1993 | WO1993009549A1 Heat treatment process and soft magnetic alloys produced thereby |
| 05/13/1993 | WO1993009256A1 Rod cooling system |
| 05/13/1993 | DE4137547A1 Continuous furnace of reduced cost - has reduced or eliminated holding section for sepd. slabs |
| 05/13/1993 | CA2122357A1 Rod cooling system |
| 05/12/1993 | EP0541353A1 Method and apparatus for heat treating of aluminium or an aluminium alloy |
| 05/12/1993 | EP0540916A1 Improved high-intensity rotary peening particle support and method of making same |
| 05/12/1993 | EP0540755A1 Method and installation for production of hot-rolled strip |
| 05/12/1993 | EP0404898B1 Device for hardening the surfaces of workpieces of different lengths |
| 05/12/1993 | CN1071962A Continuous heat treating furnace with direct heating arrangement |
| 05/12/1993 | CN1071960A Method of making high silicon low carbon regular grain oriented silicon steel |
| 05/11/1993 | US5209792 Steel consisting of carbon, silicon, manganese, phosphorus, sulfur, aluminum and iron |
| 05/07/1993 | CA2080265A1 High-intensity rotary peening particle support and method of making same |
| 05/05/1993 | EP0540382A1 Steel sheet suitable for drawing and method of producing the same |
| 05/05/1993 | EP0539962A1 Method of manufacturing a cold rolled steel sheet exhibiting an excellent resistance to cold-work embrittlement and a small planar anisotropy |
| 05/05/1993 | CN2131869Y Slag-pushing tool for soaking bed |
| 05/04/1993 | US5208434 Method and apparatus for laser heat treatment for metal wire |
| 04/29/1993 | WO1993008669A1 Induction heating device for metal strip |
| 04/28/1993 | EP0538519A1 Method of making high silicon, low carbon regular grain oriented silicon steel |
| 04/27/1993 | US5205877 Process for making wire mesh screens |
| 04/27/1993 | US5205466 Carburizing, heat treatment; welding to round rod with non-threaded bolt |
| 04/27/1993 | US5205342 Continuous slab caster arrangement followed by a rolling mill |
| 04/22/1993 | DE4134604A1 Rolling bearings with noise attenuation - obtained by means of an oil-filled gap in compound bearing races |
| 04/22/1993 | DE4134504A1 Preliminary treatment of annealed steel billets - with billet core consolidated by shrinking cooled surface layer |
| 04/21/1993 | EP0538124A1 Inductor assembly for heating metal strip |
| 04/21/1993 | EP0537848A1 Silicon-containing iron sheet for electrical applications and methods for its manufacture |
| 04/20/1993 | US5204987 Apparatus for treating steel edges of skis and other runner devices |
| 04/20/1993 | US5203985 Process for manufacturing galvanized steel sheet by nickel pre-coating method |
| 04/20/1993 | US5203545 Vehicle suspension member designed to divert crack propagation |
| 04/20/1993 | CA1316438C Heat treatment of corrosion resistant steels |
| 04/20/1993 | CA1316434C Method and apparatus for producing electrical steel core laminations |
| 04/20/1993 | CA1316328C Wear-resistant compound roll and method of producing same |
| 04/15/1993 | WO1993007301A1 Heat treatment of hardenable carbon steel pipes |
| 04/15/1993 | CA2119911A1 Heat treatment of hardenable carbon steel pipes |
| 04/14/1993 | EP0536986A1 A method for steel surface hardening treatment and an apparatus therefor |
| 04/14/1993 | EP0319590B1 High-strength, cold-rolled steel sheet having high r value and process for its production |
| 04/14/1993 | CN1070950A Intermediate-frequency induction furnace welding wire recrystallization anneal technologyand equipment |
| 04/14/1993 | CN1070949A Drill rod water hole inside wall cold hardening technology |
| 04/14/1993 | CN1020286C Heat treatment of grinding ball |
| 04/08/1993 | DE4228093C1 Hardening of bearing surfaces of different size crankshaft - comprises two inductor sets, each inductor is adapted for a specific crankshaft having associated transformers, connecting lead, cooling and quenching pipes, etc. |
| 04/07/1993 | EP0536108A1 Furnace for partial heat-treatment of tools |
| 04/07/1993 | EP0535439A1 Lock sealing device for charging and/or discharging material in strip form in/out of a steam- or gas-filled container |
| 04/06/1993 | CA1315540C Annealing furnace base construction |
| 04/01/1993 | DE4130952A1 Mirror surfaced heating furnace - for reflecting radiation beam inside heating zone and using reflected beam as heating source |
| 03/31/1993 | EP0534432A2 Process for production of oriented electrical steel sheet having excellent magnetic properties |
| 03/30/1993 | US5197179 Means and a method of improving the quality of cold rolled stainless steel strip |
| 03/30/1993 | CA1315254C Bainitic core grinding rod |
| 03/24/1993 | EP0533615A1 Installation for the thermal treatment of successive charges |
| 03/23/1993 | US5196156 Rod cooling system |
| 03/23/1993 | US5196075 Method for modifying and thereby improving the corrosion resistance and hardness of workpieces of ferritic steel |
| 03/17/1993 | CN1020117C Long-life measure of an active EBV st 45.8/III furnace steel pipe of GFR |
| 03/16/1993 | US5193998 Sealing arrangement for heat treatment apparatus |
| 03/16/1993 | US5193375 Method for enhancing the wear performance and life characteristics of a brake drum |
| 03/10/1993 | EP0530513A1 Heat treat furnace system for performing different carburizing processes simultaneously |
| 03/10/1993 | EP0530383A1 Method and device for forming workpieces |
| 03/10/1993 | EP0475962A4 Method and apparatus for making card clothing |
| 03/10/1993 | CN1069770A Heat treatemtn of chain wheel surface for high hardness |
| 03/09/1993 | US5193066 Equipment for adjusting the shape of a running band-like or plate-like metal material in the width direction |
| 03/09/1993 | US5192585 Differential pressure sealing apparatus and method |
| 03/09/1993 | US5192485 Continuous annealing line having carburizing/nitriding furnace |
| 03/09/1993 | US5192376 Hot rolling steel sheets, coiling to form pipes and electric welding with quench hardening |
| 03/09/1993 | US5191778 Process for producing thin-webbed h-beam steel |
| 03/09/1993 | CA1314199C Pipe quenching apparatus |
| 03/09/1993 | CA1314198C Apparatus for hardening of steel pipe by immersion quenching |
| 03/09/1993 | CA1314142C Method for bringing a plurality of steel slabs to rolling temperature in a furnace |
| 03/03/1993 | EP0530175A2 Steel for wood saw blades |
| 03/03/1993 | EP0529685A1 Apparatus for heating a metallic elongated product |
| 03/03/1993 | CN1069525A Manufacturing method for fine cast of Fe-Mn-Al alloy |
| 03/02/1993 | US5190718 Machine for thermo-mechanical treatment of parts made of memory alloys |
| 03/02/1993 | US5190236 Wire coiler with rotating winding drum |
| 03/02/1993 | CA1314016C Method and apparatus for manufacturing small diameter, thick walled, cable sheaths |
| 03/02/1993 | CA1313951C Long life cover for heat chamber |
| 02/25/1993 | DE4227447A1 Gear wheel for vehicle axle - has thin case-hardened toothed rim and hard core |
| 02/24/1993 | CN1069217A Production method of tailor's scissors |
| 02/23/1993 | US5189279 Steam turbine rotor welding |
| 02/23/1993 | US5188679 Metal compression-spring gemstone mountings |
| 02/17/1993 | CN1069071A Heat treatment of steel wire |
| 02/16/1993 | US5187670 Control system for scheduling parts in a heat-treating process |
| 02/16/1993 | US5186885 Apparatus for cooling a traveling strip |
| 02/16/1993 | US5186768 Flat spring hose clamp and manufacture of same |
| 02/16/1993 | US5186755 Girth weld heating and coating system |
| 02/16/1993 | US5186688 Cold working, passivation, aging |
| 02/16/1993 | US5186018 Cooling system for cooling a moving metal strip |
| 02/11/1993 | DE4126175A1 Appts. for heating electroconductive material - has current passed across material between contact elements which may also work the material |
| 02/10/1993 | EP0527068A1 Conveyor or supportroll for slabs in continuously treating installations |
| 02/10/1993 | EP0526689A1 Process for the making of a helical compression spring |
| 02/10/1993 | CN1068765A Method and apparatus for welding ring bandknife |
| 02/09/1993 | US5185123 Apparatus for annealing walls of nuclear reactors |
| 02/03/1993 | EP0526174A1 Process for making exhaust valves |
| 02/03/1993 | EP0525975A1 Apparatus for heat-treatment and repair of turbine blades |
| 02/03/1993 | EP0525634A1 Method of, and apparatus for, preparing stapler anvils |