| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 01/18/1994 | US5279534 Roller for supporting or driving flat products, in particular for a continuous treating installation |
| 01/18/1994 | CA2022233C Stress relief of metals |
| 01/18/1994 | CA2003819C Method for the manufacture of formable steel |
| 01/18/1994 | CA1326150C Case-hardened plate armor |
| 01/13/1994 | DE4322991A1 Motor control installation - capable of stopping all motors, (and the rolls driven by these motors) at the same time |
| 01/13/1994 | DE4222147A1 Circular saw blade with radical slits along its periphery - has precision input zones with material accumulation in region of centre facing slot end |
| 01/12/1994 | EP0578524A1 Safety device for heating modules for the induction heating of metallurgical products |
| 01/12/1994 | CN1080662A Multi-nozzle fuel oil heat treatment method for 2000-5000 cubic meter ball tank |
| 01/12/1994 | CN1080661A "facilities for annealing a steel band continuously" |
| 01/12/1994 | CN1023494C Modular cast iron cam shaft and its making method |
| 01/12/1994 | CN1023451C Method and apparatus for mfg. hot-rolled steel band |
| 01/11/1994 | CA1325998C Method of processing cold-rolled stainless-steel sheet and strip |
| 01/06/1994 | WO1994000605A1 Metal band cooling apparatus and cooling method therefor |
| 01/06/1994 | CA2116230A1 Equipment and method for cooling metal strips |
| 01/05/1994 | EP0577158A2 Contour hardening apparatus |
| 01/05/1994 | EP0577043A2 Floatation-type pressure pad for metal strips |
| 01/05/1994 | EP0436530B1 Method and apparatus for continuous in-line annealing of amorphous strip |
| 01/05/1994 | CN2151985Y Horizontal soft pipe annealing furnace |
| 01/05/1994 | CN1080327A Low-alloyed ball mill wearing liner plate and making process thereof |
| 01/05/1994 | CN1080228A Coiling and hot-forming process and apparatus for wedge rings |
| 01/04/1994 | US5275672 Razor blade steel having high corrosion resistance and differential residual austenite content |
| 12/29/1993 | EP0575820A1 Installation for manufacturing hot-rolled steel strip |
| 12/29/1993 | EP0575690A2 Apparatus for annealing walls of nuclear reactors |
| 12/29/1993 | EP0575646A1 A method and a device for forming various workpieces |
| 12/29/1993 | EP0575411A1 Method and apparatus for the manufacture of partly hardened products |
| 12/29/1993 | CN1080028A Inner drum surface mfg. technique for oil-well pump |
| 12/28/1993 | US5273585 Heat-treating apparatus |
| 12/23/1993 | DE4311150C1 Preheating concast slab in two stages prior to hot rolling - to prevent edge cracking in final strip |
| 12/23/1993 | CA2086579A1 Method and a device for forming various workpieces |
| 12/21/1993 | US5271777 High efficiency coil fabrication process |
| 12/21/1993 | CA1325372C Process and apparatus for improvement of iron loss of electromagnetic steel sheet or amorphous material |
| 12/21/1993 | CA1325349C Mining/construction tool bit having bit body fabricated from mn-b steel alloy composition |
| 12/14/1993 | US5269370 Thermal cycling device |
| 12/14/1993 | US5269166 Hot strip mill with coiling furnace having separable housing |
| 12/09/1993 | WO1993024664A1 Equipment for continuously annealing steel strips |
| 12/09/1993 | DE4218126C1 Quenching appts. for parts esp. for hardening - comprises parts conveyor in quench tank and pumped circulation of quench medium upwards within quench chamber |
| 12/08/1993 | EP0572674A1 High strength stainless steel foil for corrugation and method of making said foil |
| 12/07/1993 | US5268040 Method for steel surface hardening treatment and an apparatus therefor |
| 12/02/1993 | DE4217530A1 Treating piston slide paths - using laser beam performing motion similar to honing motion |
| 12/02/1993 | DE4209938C1 Melting surface of component with combined rotation and translation of component - using stationary radiation source, with rotation of component about given axis with combined linear motion, esp. for cam shaft mfr. |
| 12/01/1993 | EP0571705A2 Method of producing low iron loss, low-noise grain-oriented silicon steel sheet, and low-noise stacked transformer |
| 12/01/1993 | EP0571521A1 Metal wire consisting of a steel substrate with a cold hardened annealed martensitic structure, and a coating. |
| 12/01/1993 | EP0571465A1 Roll cast in one piece, comprising cemented carbide and cast iron, and method for its manufacture |
| 11/30/1993 | US5266129 Process for production of oriented electrical steel sheet having excellent magnetic properties |
| 11/30/1993 | US5265851 Installation for the heat treatment of successive batches |
| 11/30/1993 | US5265319 Used for carbonated beverages, and beers; excellent formability and corrosion resistance |
| 11/25/1993 | DE4217031A1 Iron@ nickel@ thermo mechanics for pseudo elasticity adjustment - by homogenisation hot deformation, cooling opt. cold deformation and age hardening, for glide elements in winter sports appts., for numerous load-unload cycles |
| 11/23/1993 | US5264056 Method and apparatus for annealing nuclear reactor pressure vessels |
| 11/23/1993 | US5264053 Heat treatment of high carbon low-alloy steel cylinder |
| 11/23/1993 | CA1324562C Ultra-rapid heat treatment of grain oriented electrical steel |
| 11/17/1993 | CN1078497A Quench method for metal card clothing |
| 11/17/1993 | CN1078426A Thin complexed steel plate and method for making same |
| 11/16/1993 | US5262039 Electrodeposition of iron sheet, supplying silicon or silicon-containing material to iron sheet and homogenizing |
| 11/16/1993 | US5261974 High-strength extra fine metal wire |
| 11/10/1993 | CN1078265A Steel ball heat treatment process |
| 11/09/1993 | US5259965 Or space; cleaning titanium /alloy/ substrate, heating at 700 degrees C. for ten hours to form titanium oxide coating, applying solid lubricating film to coating |
| 11/09/1993 | US5259229 Apparatus for cooling thin-webbed H-beam steel |
| 11/02/1993 | US5258082 Steel; hardness, creep resistance; vehicle suspensions |
| 11/02/1993 | US5258080 Non-oriented electrical strip and process for its production |
| 11/02/1993 | US5257733 Process for thermodynamically treating a region joining two members and product thereof |
| 11/02/1993 | US5257511 Split water box nozzle with removable inserts |
| 11/02/1993 | US5257453 Process for making exhaust valves |
| 10/28/1993 | WO1993021352A1 Bell-type annealing furnace |
| 10/28/1993 | WO1993021012A1 Thin-sheet-clad steel sheet and method of production thereof |
| 10/28/1993 | DE4238486A1 Longitudinal guide for vehicle seat position adjustment - is made of heat treated 0.35% carbon steel to give high strength and low weight |
| 10/28/1993 | CA2111834A1 Thin clad steel sheet and process for producing the same |
| 10/27/1993 | EP0567203A2 Method for influencing the friction between roll and rolling stock, in particular for the rolling of pipes |
| 10/27/1993 | EP0328603B1 Control of straightness in scanning induction hardening of steel |
| 10/26/1993 | US5256217 Multi-surface flame hardening machine and process |
| 10/26/1993 | US5256216 Passing strip through roller pairs connected to electric current source to heat, rapid cooling |
| 10/21/1993 | DE4230764C1 Induction hardening appts. for crankshafts - has two axially offset inductors arranged in V=shape |
| 10/20/1993 | EP0309563B1 Electric induction heat treating furnace |
| 10/20/1993 | CN2144128Y Air-blast cooler for heat treatment of rails |
| 10/14/1993 | WO1993020248A1 Heat treatment process for metal articles |
| 10/14/1993 | DE4303763A1 Hardening the surface of high carbon steel spinning rings - by heat-surface treating e.g. by case, hardening and carbonitriding together with quenching in oil |
| 10/14/1993 | DE4212396A1 Haubenglühofen Annealing furnace |
| 10/13/1993 | EP0410969A4 Improvements in scanning induction hardening |
| 10/12/1993 | US5252803 Vehicle suspension member and method for making |
| 10/12/1993 | US5252144 Heat treatment process and soft magnetic alloys produced thereby |
| 10/12/1993 | US5252135 Sealing apparatus for continuous vacuum treating equipment |
| 10/12/1993 | US5251881 Methods and devices for the thermal treatment of metal wires upon passing them over capstans |
| 10/06/1993 | EP0563826A1 Method of heat treating a zone of each of a plurality of articles |
| 10/06/1993 | EP0563736A1 Process and apparatus for the continuous surface treatment of wire rods with metallic surface |
| 10/06/1993 | EP0563735A1 Corrosion resistant composite wire and process for its manufacture |
| 10/06/1993 | EP0563545A1 Process for manufacturing camshaft with remelt-quenched cams |
| 10/05/1993 | US5251231 Vacuum furnace |
| 10/05/1993 | US5250126 Method for manufacturing a rail for use in a linear motion rolling contact guide unit |
| 10/05/1993 | US5250123 Hot rolling, cold rolling, annealing then holding in nitrogen atmosphere for primary and secondary recrystallization, reducing carbon and nitrogen by holding in hydrogen atmosphere |
| 10/05/1993 | US5249897 Expanding plug |
| 10/05/1993 | US5249868 Track bushing |
| 10/05/1993 | US5249347 Face mask for sports gear |
| 10/01/1993 | CA2093036A1 Corrosion-resistant composite wire and method for manufacturing same |
| 10/01/1993 | CA2093035A1 Method and device for continuous surface treatment of bar-shaped elongated materials having a metal surface |
| 09/30/1993 | WO1993019211A1 Method for continuous recrystallization annealing of a steel strip |
| 09/30/1993 | CA2131282A1 Method for continuous recrystallization annealing of a steel strip |
| 09/29/1993 | EP0562250A1 Process and device for quenching of metal pieces |
| 09/28/1993 | US5248353 Method of producing steel wires each having very small diameter, high strength and excellent ductility |
| 09/28/1993 | US5248130 Vehicle leaf spring with irradiated center for crack diversion |
| 09/28/1993 | CA1322480C Plant for the production of hot-rolled steel band |
| 09/28/1993 | CA1322479C Method and apparatus for the manufacture of formable steel strip |