| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 08/14/2001 | US6273973 Martensitic stainless steels microstructure suitable for the production of razor blades. |
| 08/14/2001 | US6273971 Method of manufacturing cold rolled steel sheet excellent in resistance of natural aging and panel properties |
| 08/14/2001 | US6273964 Process for the production of grain oriented electrical steel strip starting from thin slabs |
| 08/14/2001 | CA2052346C Welding high-strength nickel base superalloys |
| 08/09/2001 | WO2001057282A1 Metal frame for metal coils to be heat-treated |
| 08/09/2001 | US20010011566 Method of heat treatment of wire |
| 08/09/2001 | DE10004656C1 Wellenricht- und -härtemaschine Wellenricht- and -härtemaschine |
| 08/09/2001 | DE10004479A1 Support structure for metal coils used in annealing furnaces has a frame made of U-shaped profiles |
| 08/09/2001 | CA2397088A1 Metal frame for metal coils to be heat-treated |
| 08/08/2001 | EP1122320A1 Heat treating furnace for a continuously supplied metal strip |
| 08/08/2001 | EP1121995A2 Shaft straightening and hardening machine |
| 08/08/2001 | EP0954617B1 Method for making seamless tubing with a stable elastic limit at high application temperatures |
| 08/07/2001 | US6270597 Process for continuous heating and cleaning of wire and strip products in a stratified fluidized bed |
| 08/07/2001 | US6270596 Rolling/forging alloy of actinium to produce a steel product then induction hardening to obtain a shaft having improved machinability and cold workability; useful in reducing weight of drive shaft of automobiles |
| 08/07/2001 | US6270595 Heating crawler belt bushings to quenching temperature then allowing independent outer and inner circumferential surface cooling, hardening the entire thickness of said bushing, then tempering; used in construction vehicle assembly |
| 08/02/2001 | WO2001055466A1 High carbon steel sheet and method for production thereof |
| 08/02/2001 | WO2001054857A1 Thermal processing apparatus and method |
| 08/02/2001 | DE10003720A1 Production of roller bearing elements comprises using a block of continuous cast material having a high degree of purity with fine carbide deposits and having a high fine granularity |
| 08/01/2001 | EP1120577A1 Rolling bearing |
| 08/01/2001 | EP1119733A1 Method and apparatus for uniformly heating a furnace |
| 07/26/2001 | WO2001053556A1 Maraging type spring steel |
| 07/26/2001 | WO2001053022A1 Method for producing angular, stainless shot-blasting abrasives based on an fe-cr-c alloy |
| 07/26/2001 | DE19680625C1 Concasting method |
| 07/26/2001 | DE10002738A1 Production of abrasive grains made of non-rusting cast stainless steel involves producing granules from a hardenable iron-chromium-carbon alloy melt, heat treating and cooling |
| 07/26/2001 | DE10001650A1 High strength hardenable corrosion-resistant spring steel used for spring elements contains alloying additions of nickel, chromium, titanium and beryllium |
| 07/25/2001 | EP1118687A1 High-strength, high-toughness martensitic stainless steel sheet, method of inhibiting cold-rolled steel sheet edge cracking, and method of producing the steel sheet |
| 07/25/2001 | EP1117846A1 Method for changing the properties of the surfaces of work pieces |
| 07/25/2001 | CN2440046Y Quenching inductor |
| 07/25/2001 | CN1305014A Microcomputer controlled deeply cold processing equipment and its technology |
| 07/25/2001 | CN1068906C Heat treatment process of cutter for stone work |
| 07/24/2001 | US6264769 Coil area for in-line treatment of rolled products |
| 07/24/2001 | US6264768 Method for strengthening of rolling element bearings by thermal-mechanical net shape finish forming technique |
| 07/24/2001 | US6264759 Wire rods with superior drawability and manufacturing method therefor |
| 07/19/2001 | DE19947482A1 Verfahren zum Manipulieren von Werkstücken sowie Drehherdofen hierfür Method for manipulating workpieces and rotary hearth furnace for this |
| 07/18/2001 | EP0953059B1 Method for stretching of a profile in an induction heat treatment process |
| 07/18/2001 | EP0876515B1 Drawing stock for reinforcing plastic or rubber articles |
| 07/17/2001 | US6261392 Method for manufacturing quenched thin-walled metal hollow casing by blow-moulding |
| 07/17/2001 | CA2169712C Annealing base for hood-type annealing furnaces |
| 07/12/2001 | US20010007280 Method of production of cold-rolled metal coated steel products, and the products obtained, having a low yield ratio |
| 07/12/2001 | DE19963186A1 Verfahren zur Steuerung und/oder Regelung der Kühlstrecke einer Warmbandstrasse zum Walzen von Metallband und zugehörige Vorrichtung Method for controlling and / or regulating the cooling line of a hot strip mill for rolling metal strip and associated apparatus |
| 07/12/2001 | DE19963185A1 Verfahren und Einrichtung zum Kühlen eines aus einem Walzgerüst auslaufenden warmgewalzten Metallbandes Method and apparatus for cooling a maturing of a stand hot-rolled metal strip |
| 07/12/2001 | DE10065737A1 Production of a bevel gear drive used for vehicles comprises forming an intermediate product for a bevel gear drive with teeth by forging a metallic blank and hardening the teeth by fluidized current heating |
| 07/11/2001 | EP1114871A1 Process for the production of material of metals and alloys having fine microstructure or fine nonmetallic inclusions and having less segregation of alloying elements. |
| 07/11/2001 | EP1114199A1 Steel for making a ball bearing part |
| 07/11/2001 | EP0467898B2 Vacuum furnace |
| 07/11/2001 | CN1068383C Electrically direct-heating apparatus for in-line continuous bright annealing of stainless steel band |
| 07/11/2001 | CN1068232C Fire detecting and counteracting method in sealing device at inlet/outlet of compartment of continuous heat treatment furnace or like for metallic strip |
| 07/10/2001 | US6259076 Method for hardening camshafts and linear inductor for the implementation of said method |
| 07/10/2001 | US6258496 Stretched mask for color picture tube |
| 07/10/2001 | US6258186 Method for manufacturing hot rolled galvanized steel sheet at high speed, with pickling skipped |
| 07/10/2001 | US6258185 Forming metallic glass; converting portion of glass to crystalline steel material having nanocrystalline scale grain size; transforming portion of crystalline steel material to metallic glass |
| 07/10/2001 | CA2331063A1 A stress relieved grinding ball having hard outer shell |
| 07/05/2001 | WO2001048258A1 Bar or wire product for use in cold forging and method for producing the same |
| 07/05/2001 | WO2001048257A1 Bar or wire product for use in cold forging and method for producing the same |
| 07/05/2001 | WO2001047648A2 Method for controlling and/or regulating the cooling stretch of a hot strip rolling mill for rolling metal strip, and corresponding device |
| 07/05/2001 | WO2001047647A2 Method and device for cooling a hot-rolled metal strip leaving a roll stand |
| 07/05/2001 | DE19963477A1 Device for finishing and dressing internal toothing in an internal geared wheel causes a retainer for the internal geared wheel to rotate around this wheel's axis with a rotating finishing gearwheel to engage internal toothing. |
| 07/05/2001 | DE10005969C1 Machine for directing and hardening a corrugated longitudinal workpiece comprises a chamber surrounding the receiving device and the lower rollers so that cold gas can be introduced via nozzles |
| 07/04/2001 | EP1113085A1 Method of production of cold-rolled metal coated steel products, and the product obtained, having a low yield ratio |
| 07/04/2001 | CN1301872A High frequency quanching device for non complete gear tooth profile |
| 07/04/2001 | CN1068072C Process for producing ferritic stainless steel having improved corrosion resistance |
| 07/04/2001 | CN1068069C zinc plated steel plate with good anti-grainy defect and its producing method |
| 07/03/2001 | US6254697 Which contains c, si, mn, ni, cr, mo, v, w, nb and/or ta, b, ti, al, n, o, p and s in predetermined proportions, the balance being fe, improved impact resistance (weldability) and toughness while maintaining its creep rupture strength |
| 07/03/2001 | US6254696 Bainitic type rail excellent in surface fatigue damage resistance and wear resistance |
| 07/03/2001 | US6253830 Apparatus and method for sand core debonding and heat treating metal castings |
| 06/28/2001 | WO2001046485A1 Direct patenting high strength wire rod and method for producing the same |
| 06/28/2001 | WO2001046480A1 Steel sheet for tension mask, method for producing the same and tension mask |
| 06/28/2001 | WO2001045875A1 Apparatus for transferring rings from an inclined laying head onto a cooling conveyor |
| 06/28/2001 | US20010004809 Buket tooth and method of manufacturing the same |
| 06/28/2001 | DE19962891A1 Verfahren und Vorrichtung zum Abkühlen von warmgewalzten Profilen Method and apparatus for cooling of hot-rolled profiles |
| 06/28/2001 | DE19962801A1 Verfahren zum Wärmebehandeln von Draht A method of heat treatment of wire |
| 06/28/2001 | DE19960638A1 Wasserkühlstrecke für Draht Water cooling line for wire |
| 06/27/2001 | EP1111075A1 Wire heat treating process |
| 06/27/2001 | EP1111074A2 Method and device for cooling hot-rolled profiles |
| 06/27/2001 | EP1109942A1 Method for producing cold-rolled bands or sheets |
| 06/27/2001 | EP1109637A1 Light alloy thread-forming screw and its production method |
| 06/27/2001 | CN1300859A Method and apparatus for reducing folds of bands in quick cooling area of heat treatment production line |
| 06/27/2001 | CN1300648A Method for heat treatment of wires |
| 06/26/2001 | US6252343 Shadow mask for cathode ray tube and method of manufacturing same |
| 06/21/2001 | WO2001044532A1 Method of quenching alloy sheet to minimize distortion |
| 06/21/2001 | US20010004631 Working fluid, working process using the working fluid, and method of production of the working fluid |
| 06/21/2001 | DE10045039A1 Toroidal form stepless transmission for motor vehicles has at least one input disc, output disc and power roller made of medium carbon steel having specified carbon content |
| 06/21/2001 | CA2392617A1 Method of quenching alloy sheet to minimize distortion |
| 06/20/2001 | EP1108795A1 Process and device for preventing buckling of strip in a fast cooling zone of a heat treatment line |
| 06/20/2001 | EP1108479A2 Water cooling line for wire |
| 06/20/2001 | EP1108072A1 Method and installation for producing dual-phase steel |
| 06/20/2001 | CN1300437A Amorphous alloy with increased operating induction |
| 06/20/2001 | CN1299713A Loop lifter |
| 06/19/2001 | US6248287 Corrective tempering apparatus for rolling elements |
| 06/19/2001 | US6248186 Ball-and-roller bearing and method of manufacturing the same |
| 06/17/2001 | CA2292689A1 Wear plate and method for manufacturing same |
| 06/14/2001 | WO2001042615A2 Drill rod |
| 06/13/2001 | EP1106706A1 Ultra-high strength metastable austenitic stainless steel containing Ti and a method of producing the same |
| 06/13/2001 | EP1105543A1 Method for producing a cam that can be placed on a hollow shaft to form a camshaft |
| 06/13/2001 | EP0707089B1 High-carbon steel wire or steel therefor excellent in workability in wire drawing and process for producing the same |
| 06/13/2001 | DE19959688A1 Process for heating molded blanks made of metallic materials for rolling and deforming processes comprises using electrical and/or magnetic fields and/or electrical resistance heating in an atmosphere |
| 06/13/2001 | DE19959608A1 Device for laser treatment of cylindrical inner surfaces for alloying-in and/or smoothing of coatings, especially of running surfaces in cylinders of IC engines has radiator unit |
| 06/13/2001 | CN1298786A Laser treating method for parts with engaged surface and saw blade |
| 06/13/2001 | CN1067111C Method for cooling steel sections which are hot from rolling |
| 06/07/2001 | WO2001040526A1 Martensitic stainless steel and steelmaking process |