| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 07/04/2002 | US20020084009 Made of steel and the shell blank is subjected to heat treatments comprising heating for hardening, quenching and tempering treatments. |
| 07/04/2002 | US20020084008 Surface treatment of austenitic Ni-Fe-Cr based alloys for improved resistance to intergranular corrosion and intergranular cracking |
| 07/04/2002 | US20020084003 Wire rod for drawing superior in twisting characteristics and method for production thereof |
| 07/04/2002 | DE10063913A1 Manufacturing machine for production of complex coiled springs has multiple processing stations on carousel for coiling and tempering |
| 07/04/2002 | DE10061802A1 Verfharen zum Oberflächenvergüten metallischer Werkstücke durch induktive Wärmebehandlung Verfharen for surface treatment of metal workpieces by inductive heat treatment |
| 07/03/2002 | EP1219863A2 Rolling element for a continuously variable transmission and a method for producing the same |
| 07/03/2002 | EP1218562A1 Method for heat treatment of metallic slugs |
| 07/03/2002 | EP1218560A1 Steel material, its use and its manufacture |
| 07/03/2002 | EP1119733B1 Method and apparatus for uniformly heating a furnace |
| 07/03/2002 | EP1068368B1 Stainless steel |
| 07/03/2002 | EP0690758B1 Surface decarburization of a drill bit having a refined primary cutting edge |
| 07/03/2002 | CN2498167Y Bag spring heat treating device |
| 07/03/2002 | CN1357057A Roling structure steel |
| 07/03/2002 | CN1356402A Hot-rolled steel plate and its manufacture |
| 07/02/2002 | US6413470 Device for guiding bands in a suspended manner |
| 06/27/2002 | WO2002050328A1 Steel wire rod for hard drawn spring, drawn wire rod for hard drawn spring and hard drawn spring, and method for producing hard drawn spring |
| 06/27/2002 | WO2002050322A2 A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property |
| 06/27/2002 | WO2002050317A1 Production method for steel plate and equipment therefor |
| 06/27/2002 | WO2002050316A1 A method and a device for partial heating of metal sheets |
| 06/27/2002 | WO2002049985A1 Powers which have an antibacterial and a far infrared ray radiating property and a bio-wave steel plate which is coated with resin containing the same |
| 06/27/2002 | US20020081161 High-speed tool steel gear cutting tool and manufacturing method therefor |
| 06/27/2002 | DE10054156C1 Process for heat treating e.g. copper foils used in the production of capacitor foils comprises guiding the foils simultaneously over two convex surfaces using gas cushions producing an egg shape cross-section |
| 06/26/2002 | EP1216311A1 Method for the manufacture of steel products of a precipitation hardened martensitic steel, steel products obtained with such method and use of said steel products |
| 06/26/2002 | CN1355854A Steel for producing components of picture tubes and method for producing sheet steel from which picture tubes are made |
| 06/26/2002 | CN1086743C Bainite type rail excellent in surface fatigue damage resistance and wear resistance |
| 06/26/2002 | CN1086632C Method for making readjusting casting rolls |
| 06/25/2002 | US6409846 Fixed race of steel comprising carbon, chromium, nitrogen, molybdenum, vanadium, and iron; hydrogen adsorbers; high density passive films |
| 06/25/2002 | US6409163 Fixturing device for holding a workpiece |
| 06/20/2002 | WO2002048411A1 Method for cooling and treating heated, rotationally symmetrical bodies made of metallic materials such as steel |
| 06/20/2002 | US20020074065 Steel alloy for railway wheels |
| 06/19/2002 | EP1215941A2 Improving surfaces of metallic work pieces by induction heat treatment and measurement of spatial position |
| 06/19/2002 | EP1215298A2 A high-strength austenitic stainless steel strip excellent in flatness of shape and its manufacturing method |
| 06/19/2002 | EP1215292A1 High-strength race and method of producing the same |
| 06/19/2002 | EP1215291A1 Method and apparatus for cooling and treating of rotationally symmetric metal bodies, especially steel bodies |
| 06/19/2002 | EP1215290A2 Heat treated stainless steel hydraulic components and method for making same |
| 06/19/2002 | EP1214457A1 Use of a stainless steel for umbilicals in seawaters |
| 06/19/2002 | EP0973952B1 Apparatus and method for cooling hot rolled steel rod |
| 06/19/2002 | EP0750535B1 Razor blade manufacture |
| 06/19/2002 | CN1354802A High-strength spring and production method therefor |
| 06/19/2002 | CN1354271A Stretching steel wire bar with good twisting property and its manufacturing method |
| 06/18/2002 | US6407372 Eccentric driving apparatus |
| 06/18/2002 | US6406569 Heat treatment of rails and cooling |
| 06/18/2002 | US6406565 High toughness spring steel |
| 06/18/2002 | US6406558 Method for manufacturing magnetic steel sheet having superior workability and magnetic properties |
| 06/18/2002 | US6406557 Process for the treatment of grain oriented silicon steel |
| 06/13/2002 | WO2002046674A1 Hardening fixture |
| 06/13/2002 | WO2002046479A1 Method for baking steel part |
| 06/13/2002 | US20020070653 Steel sheet for tension mask, making method thereof and tension mask |
| 06/13/2002 | US20020069945 Method for manufacturing structural parts for automobile body construction |
| 06/13/2002 | US20020069939 Method of manufacturing an HLA for an internal combustion engine |
| 06/13/2002 | US20020069938 Formed member made of steel sheet and method for producing same |
| 06/13/2002 | US20020069506 Method and apparatus for the production of locally reinforced sheet-metal mouldings and products made thereby |
| 06/13/2002 | DE10157401A1 Verfahren zum Verringern der maschinellen Härteverarbeitungszeit für ein Konstantgeschwindigkeitsgelenk A method for reducing the mechanical hardness processing time for a constant velocity joint |
| 06/12/2002 | EP1213443A2 A high strength steam turbine rotor and it's methods of fabricating |
| 06/12/2002 | EP1212163A1 Method for producing a sintered honeycomb |
| 06/11/2002 | US6403235 Adhering to heat affected zone of steel a cladding of high strength precipitation or age hardenable inconel? alloy; heat treatment to concurrently soften and harden |
| 06/11/2002 | US6403230 Anodizing with chromic acid; solution treatment, annealing, deformation, and aging; heat treating curable, crosslinked phenolic resin |
| 06/11/2002 | US6403026 Steel and process for the manufacture of a component for bearings |
| 06/11/2002 | US6402863 Heat treatment for 9Ni-4Co-0.30C type steels |
| 06/11/2002 | US6402862 Method of hardening a bushing of a track chain |
| 06/11/2002 | US6402438 Composite Cutting Tool |
| 06/11/2002 | US6402074 Apparatus for transferring rings from an inclined laying head onto a cooling conveyor |
| 06/06/2002 | WO2002044430A1 Quenching method and apparatus |
| 06/06/2002 | WO2002044429A2 Bainite blades |
| 06/06/2002 | US20020068007 Nickel 30-85 wt %, carbon < 0.015 wt %, Silicon < 1.0 wt %, Manganese < 1.0 wt %, phosphorus < 0.01 wt %, sulfur < 0.005 wt %, oxygen < 0.0060 wt %, aluminum < 0.02 wt % remainder iron; casting, homogenizing heat treatment and hot rolling |
| 06/05/2002 | EP1210993A1 Device and method for cooling hot rolled steel band and method of manufacturing the hot rolled steel band |
| 06/05/2002 | EP1030748B1 Method to control the axial position of slabs emerging from continuous casting and relative device |
| 06/05/2002 | EP0435968B2 Process for manufacturing shaped parts from coil-break-free hot strip |
| 06/05/2002 | CN1351925A Double hardness mold |
| 06/04/2002 | US6399928 Device for hardening cylindrical bearing points of a shaft |
| 06/04/2002 | US6398887 Aluminum-killed low carbon steel sheet for containers and method of making |
| 06/04/2002 | US6398886 Surface-layer-hardening of calibrated contact zones, above an unhardened matrix |
| 06/04/2002 | US6398885 Tempering by using electrical or infrared heat, to a controlled depth; efficiency; |
| 06/04/2002 | US6398883 Friction stir grain refinement of structural members |
| 06/04/2002 | US6398881 High carbon steels having a melted ledeburite surface layer with a high cementite content on a martensite hardening zone produced by high energy surface melting; noncracking |
| 06/04/2002 | US6398420 Obtained by working a material made of iron alloy steel having a chromium content of 5-22 % by weight into a predetermined shape, and then subjecting the material to heat treatment followed by finishing |
| 05/30/2002 | WO2002042509A1 Material for shadow mask, method for production thereof, shadow mask comprising the material and picture tube using the shadow mask |
| 05/30/2002 | WO2002004145A3 Method and apparatus for the direct production of scale-free thin metal strip |
| 05/30/2002 | US20020065138 Method for reducing hard machining time of a constant velocity joint |
| 05/30/2002 | US20020062942 Method for controlling a continuous strip steel casting process based on customer-specified requirements |
| 05/29/2002 | EP1209244A1 Linear shape steel excellent in joint fatigue characteristics and production method therefor |
| 05/29/2002 | EP1208924A2 Wire cooling device |
| 05/29/2002 | EP1208243A1 Method for hardening at least one surface of a component wall and a device for carrying out said method |
| 05/29/2002 | EP1208166A1 Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet |
| 05/29/2002 | DE10156999A1 Forged steel composition used in the production of crankshafts for ships includes silicon, manganese, chromium and molybdenum |
| 05/29/2002 | DE10152092A1 Crankshaft made of steel for an engine comprises an oil seal fixing section on one end hardened by chilling during an air cooling process |
| 05/29/2002 | DE10141826A1 Verfahren zur Härtung einer Hülse einer Raupenkette Method of curing a sleeve of a crawler |
| 05/29/2002 | CN1351637A Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet |
| 05/29/2002 | CN1085734C Process for treatment of precision bright seamless steel tube |
| 05/29/2002 | CN1085733C Continuous annealing furnace, rolling bearing, annealing method, and method of manufacturing inner and outer races of deeply groove ball bearing |
| 05/28/2002 | US6395109 Bar product, cylinder rods, hydraulic cylinders, and method for manufacturing |
| 05/28/2002 | US6394793 Method and apparatus of cooling heat-treated work pieces |
| 05/23/2002 | WO2002040730A1 Part for machine |
| 05/23/2002 | WO2002040722A1 Method for making a strip or a workpiece cut out from a cold rolled maraging steel strip |
| 05/23/2002 | US20020059967 Maraging steel and process for manufacturing a strip or a part cut out of a strip of cold-rolled maraging steel |
| 05/22/2002 | EP1207211A2 Device for heat treating metal workpieces |
| 05/22/2002 | EP1207005A1 Heat treatment of weld repaired gas turbine engine components |
| 05/22/2002 | EP1206586A1 Metal matrix composite especially intended for piston rings |
| 05/22/2002 | EP1206583A1 Annealing plant |
| 05/22/2002 | CN1085259C Roller-chain pin after being coated |