| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 09/22/1993 | EP0561667A1 Process for heat treating metallic strip |
| 09/22/1993 | EP0561536A1 Split water box nozzle with removable inserts |
| 09/16/1993 | WO1993018189A1 High strength steel sway bars and method of making |
| 09/16/1993 | DE4236921C1 Inductive heating installation for surface hardening - with the width and length of arc-shaped inductors chosen dependent on the geometry of continuous crank journals |
| 09/15/1993 | EP0560526A1 Method and apparatus for carrying out surface treatment |
| 09/15/1993 | EP0560172A1 Process for avoiding adherence of steelbelt during annealing |
| 09/15/1993 | EP0559643A1 Process and apparatus for wire patenting. |
| 09/15/1993 | EP0542813A4 Apparatus and method of induction-hardening machine components with precise power output control |
| 09/09/1993 | DE4229092C1 Reducing the bore of cylinder liners - by transformation of austenite into martensite over a certain bore region |
| 09/09/1993 | DE4225002C1 Melt-hardening of curved surfaces without giving undesired geometry and surface changes of cam - using electron beam, with translatory motion superimposed on workpiece rotation |
| 09/08/1993 | CN1075985A Heat treatment method and apparatus for rail |
| 09/08/1993 | CN1022050C Process and apparatus for heat treatment of carbon wire-steel into fine pearlitic structure |
| 09/07/1993 | US5242363 Cermet coating consisting of metal oxide and metal matrix; thermal shock and wear resistance |
| 09/07/1993 | US5242156 Dual belt furnace |
| 09/02/1993 | WO1993017145A1 Method for producing a cast aluminum vehicle wheel |
| 09/02/1993 | WO1993017144A1 Work hardened stainless steel for springs |
| 09/02/1993 | WO1993016821A1 Process and apparatus for applying and removing liquid coolant to control temperature of continuously moving metal strip |
| 09/02/1993 | CA2131194A1 Method for producing a cast aluminum vehicle wheel |
| 08/31/1993 | US5241151 Continuous electron beam irradiation of metal strip |
| 08/24/1993 | US5238511 Double C-shaped clamp |
| 08/24/1993 | US5238510 Metal sheet and method for producing the same |
| 08/24/1993 | US5238509 Method for carrying out a remelting/hardening treatment |
| 08/24/1993 | US5238229 Burner for generating soot and furnace to deposit soot by using the same |
| 08/24/1993 | CA1321533C Method and apparatus for cryogenic treatment of coriolis mass flow meter structures |
| 08/19/1993 | WO1993016343A1 Intermetallic alloys for use in the processing of steel |
| 08/19/1993 | WO1993016202A1 A device and a method for tempering steel tubes |
| 08/19/1993 | DE4203985A1 Improving surface quality of hot rolled steel strip - by removing slag, scale and copper@ from surface of cast thin slab, which is then hot rolled to strip |
| 08/19/1993 | DE4203395A1 Verfahren zum aufheizen von duennbrammen, blechen und stahlbaendern und dergleichen waermgut in hochtemperatur-rollenherdoefen, hubbalkenoefen oder aehnlichen ofenanlagen und oefen zur durchfuehrung des verfahrens A method of heat from duennbrammen, sheet and stahlbaendern and the like waermgut in high temperature roller hearth furnaces, walking beam furnaces and ovens or similar for performing the method |
| 08/18/1993 | EP0555694A2 Process for making a steel blade for agriculture and forestry |
| 08/18/1993 | EP0224591B1 Process for producing high-strength seamless steel pipes excellent in sulfide stress corrosion cracking resistance |
| 08/17/1993 | US5236520 Geometric configuration; at least one bend; preferred orientation of grains; warm working |
| 08/11/1993 | EP0555066A1 Method and apparatus for annealing nuclear reactor pressure vessels |
| 08/11/1993 | CN1075169A Continuous annealer |
| 08/10/1993 | US5234513 Used for color cathode ray tubes |
| 08/10/1993 | US5234512 Fe-ni alloy sheet for shadow mask, excellent in etching pierceability, preventing sticking during annealing, and inhibiting production of gases |
| 08/10/1993 | US5234201 Contour hardening apparatus |
| 08/10/1993 | US5233711 Cushion body and method of forming same |
| 08/10/1993 | CA1321125C Process for producing a cold rolled steel sheet having a good ageing resistance by continuous annealing |
| 08/06/1993 | CA2060688A1 Double c-shaped clamp |
| 08/05/1993 | WO1993015233A1 High-strength steel parts and method of making |
| 08/05/1993 | WO1993014894A1 Apparatus and method for net shape finishing of gears |
| 08/05/1993 | DE4202178A1 Pretreatment of annealed steel billets - where stationary hot billets are given controlled surface cooling by pressure water in a closed cooling chamber |
| 08/04/1993 | EP0553388A2 Caliber roll for rolling and manufacturing method of its roll main body |
| 08/03/1993 | US5232524 Process for the production of thin sheet metals intended for deep-drawing |
| 07/28/1993 | EP0552272A1 Gear wheels rolled from powder metal blanks. |
| 07/28/1993 | CN1074751A Pressure-increasing type furnace door |
| 07/28/1993 | CN1074750A Quick adjusting and testing method for airfuel ratio of covered type furnace |
| 07/27/1993 | US5230857 Strip elongation control in continuous annealing furnaces |
| 07/27/1993 | US5230755 Protective layer for a metal substrate and a method of producing same |
| 07/22/1993 | WO1993014230A1 Railway-track elements and method of manufacturing them |
| 07/22/1993 | WO1993014229A1 Device for heat-treating metal workpieces |
| 07/21/1993 | EP0551775A1 Metal plate rolling apparatus |
| 07/21/1993 | EP0551657A1 Method for minimizing the crop end losses of concrete ribbed bars surface treatment by controlled cooling at rolling temperature |
| 07/21/1993 | EP0551629A1 Expansion dowel |
| 07/21/1993 | EP0551566A1 Color-developing plated metal for spring and the method of using the same |
| 07/21/1993 | CN1021658C Quick thermal treatment process of tooth palm of drill toothed wheel |
| 07/20/1993 | US5228513 Convective heat transfer by cascading jet impingement |
| 07/20/1993 | US5228324 Method of bending metal objects |
| 07/15/1993 | DE4300359A1 Remelt hardening of valve drive surface of cam - comprises directing heating torch onto surface of cam which is axially reciprocated relative to torch and simultaneously rotated about its axis |
| 07/15/1993 | DE4200553A1 Springing for cushion of shape memory alloy - combined with second conventional or other shape memory alloy spring |
| 07/15/1993 | DE4200545A1 Gleisteile sowie verfahren zur herstellung dieser Track parts, as well as processes for preparing these |
| 07/15/1993 | DE4200395A1 Carrier grid for annealing material - comprises large size grid supporting long and large surfaced workpieces with bars crosswise to the longitudinally running grid rails. |
| 07/14/1993 | EP0551141A1 Oriented magnetic steel sheets and manufacturing process therefor |
| 07/13/1993 | CA1320108C Process for preparation of grain-oriented electrical steel sheet having excellent magnetic and film characteristics |
| 07/13/1993 | CA1320045C Stopper device for lateral loading furnace |
| 07/08/1993 | WO1993013235A1 High strength stainless steel foil for corrugation and method of making said foil |
| 07/08/1993 | DE4142216A1 Improving torsional strength of components with grooves - by localised hardening of groove bottom corners by high energy beam in protective atmosphere |
| 07/07/1993 | EP0550205A1 Steam turbine rotor welding |
| 07/06/1993 | US5225651 Device for low-temperature plasma surface treatment of a plate or a sheet of a metallic material |
| 07/06/1993 | US5225008 Method for manufacturing a high-strength spring |
| 06/30/1993 | EP0548950A1 Low-yield-ratio high-strength hot-rolled steel sheet and method of manufacturing the same |
| 06/30/1993 | CN1021483C Rotary hearth multi-chamber, multipurpose furnace system |
| 06/29/1993 | US5222546 Plant for manufacturing steel strip |
| 06/24/1993 | WO1993012628A1 Induction furnace |
| 06/23/1993 | CN1073485A Heat treatment technology for bimetal saw blade |
| 06/22/1993 | US5221513 Apparatus and method for net shape finishing of gears |
| 06/22/1993 | US5221378 Method for the preparation of high-strength fine wire of high-carbon steel |
| 06/17/1993 | DE4200848C1 Synchronous rotating ball joint - with selective hardening of guide surfaces and ball paths |
| 06/17/1993 | DE4141740A1 Steel strip annealing - uses controlled feed of protective gas according to surface area of the material |
| 06/16/1993 | EP0546960A1 Tubular beam particularly for forge and heat treatment furnaces |
| 06/15/1993 | US5219109 Level control method for spliced strip materials having different unit weights |
| 06/15/1993 | CA1319086C Method for producing non-aging hot-dip galvanized steel strip |
| 06/09/1993 | EP0545768A1 Method and apparatus for the automatic control of continuous annealing furnaces heated by radiant tubes |
| 06/09/1993 | EP0545384A1 Bearing components and process for producing same |
| 06/09/1993 | DE4233530C1 Component hardening appts. for longitudinal workpieces - has clutch brake connection between drive shaft and workpiece holders at turntable with three settings |
| 06/09/1993 | DE4224264C1 Remelting of workpiece surface - by reducing carbon@ content in parts where remelting will not occur and directing an arc, electron, plasma or laser beam onto the surface |
| 06/09/1993 | DE4139956A1 Borating metal surface, giving wear-resistant feathered lamella coating - by applying paste contg. borating cpd., heating to cause remelting of outer layer, and cooling |
| 06/08/1993 | US5217158 Process for thermodynamically treating a region joining two members |
| 06/08/1993 | CA1318837C Machine element and method of making |
| 06/08/1993 | CA1318836C Non-ageing low-alloy hot-rolled strip-form formable steel |
| 06/01/1993 | US5215829 Adaptation to withstand internal pressure by absorbing stress; temperature differential; generating stress; pressurization; depressurization; high pressure pipes in nuclear power plants |
| 06/01/1993 | US5215702 Avoiding lead drag-out during patenting |
| 06/01/1993 | CA1318578C Process and apparatus for making hot-rolled steel strip |
| 05/27/1993 | WO1993010273A1 Device for cooling coils of hot-rolled strip |
| 05/27/1993 | WO1993010270A1 Device for cooling coils of hot-rolled strip |
| 05/27/1993 | WO1993010269A1 Method and device for cooling coils of hot-rolled strip |
| 05/27/1993 | WO1993010268A1 Device for cooling coils of hot-rolled strip |
| 05/26/1993 | EP0543596A1 Method for the preparation of high-strength fine wire of high-carbon steel |
| 05/26/1993 | EP0543010A1 Process for producing annular part |
| 05/26/1993 | EP0542951A1 Process for tempering a rail vehicle wheel |