| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 10/12/2005 | CN2732755Y Metal sliding rail for steel-rolling heating furnace |
| 10/12/2005 | CN1681948A Atmosphere control method during continuous heat treatment of metal strips |
| 10/12/2005 | CN1680612A Ferrous abrasion resistant sliding materials and sliding members |
| 10/11/2005 | US6953508 high tensile strength of at least 750 MPa and improved low temperature toughness; for example, a high strength steel pipe which is manufactured by the submerged arc welding method |
| 10/06/2005 | US20050217764 Ferrous abrasion resistant sliding materials and sliding members |
| 10/06/2005 | US20050217763 Quenched and tempered steel wire with superior cold forging characteristics |
| 10/06/2005 | US20050217761 Method for producing grain-oriented silicon steel plate with mirror surface |
| 10/05/2005 | EP1582279A1 A continuous cast thin slab |
| 10/05/2005 | EP1581277A1 Medical devices |
| 10/05/2005 | EP1027464A4 Face-gear forging method |
| 10/05/2005 | CN1678469A Rolling bearing unit for supporting wheel |
| 10/05/2005 | CN1676859A Rolling curtain powder metallurgical piece locking device and its manufacturing method |
| 10/05/2005 | CN1676653A Anticorrosion, wear-resistant plastic die steel 4Cr16Mo and its mirror large-die-block preparing and producing method |
| 10/05/2005 | CN1676652A Wear-resistant hammer head and its manufacturing process |
| 10/05/2005 | CN1676628A Contactless sheet-shaped detecting mehtod during continuous annealing process of band steel |
| 10/05/2005 | CN1676627A Method for preventing band-break during continuous annealing process of band steel and its control system |
| 10/05/2005 | CN1221680C Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof |
| 09/29/2005 | WO2005090618A1 Method for increasing the fatigue strength of crankshafts |
| 09/29/2005 | WO2005090616A1 Double-chamber heat treating furnace |
| 09/29/2005 | US20050211349 Method of manufacturing enhanced teeth of dipper bucket of shovel |
| 09/29/2005 | US20050211029 Apparatus and method for improving work surface during forming and shaping of materials |
| 09/29/2005 | DE19608401B4 Spreizdorn für Härtevorrichtungen Expanding mandrel hardness devices |
| 09/29/2005 | DE102004011021A1 Verfahren zur Herstellung eines Formteils aus übereutekoidem Stahl A process for producing a molded part from steel übereutekoidem |
| 09/28/2005 | EP1580284A2 An apparatus and method for improving work surface during forming and shaping of materials |
| 09/28/2005 | EP1579945A1 Boxing joint with excellent fatigue strength, method of manufacturing the boxing joint, and welded structure |
| 09/28/2005 | EP1579463A2 Method for increasing the copper to superconductor ratio in a superconductor wire |
| 09/28/2005 | EP1238118B1 Martensitic stainless steel and steelmaking process |
| 09/28/2005 | EP0972090B1 Steel and process for the manufacture of a part for ball bearing |
| 09/28/2005 | CN2729088Y Improved slide for metallurgical heating furnace |
| 09/28/2005 | CN1672913A Press for holding and pressing a workpiece |
| 09/28/2005 | CN1672867A An apparatus and method for improving work surface during forming and shaping of materials |
| 09/28/2005 | CN1672835A Methods and apparatus for heat treatment and sand removal for castings |
| 09/27/2005 | US6949151 Providing a sheet metal blank from sheet steel; forming collared holes; indenting the blank to protrusion; heating the blank on a conveyor in a heat treatment station; hot forming the blank in a pressing tool to produce sheet metal product |
| 09/27/2005 | US6949149 High strength, high carbon steel wire |
| 09/27/2005 | US6948247 By applying bearing part to a rolling raceway surface of a roller of cylindrical roller bearing or needle roller bearing, it is possible to extend life of rolling raceway surface of a roller of bearing part of cylindrical roller bearing |
| 09/22/2005 | WO2005088147A1 Machine element and method for manufacture thereof |
| 09/22/2005 | WO2005088146A1 Bearing device for wheel |
| 09/22/2005 | WO2005087965A1 Zinc hot dip galvanized composite high strength steel plate excellent in formability and bore-expanding characteristics and method for production thereof |
| 09/22/2005 | US20050206267 Method of manufacturing a stator core |
| 09/22/2005 | US20050205562 Heating device |
| 09/22/2005 | US20050205168 Crankshaft |
| 09/22/2005 | US20050205163 Bearing part, heat treatment method thereof, and rolling bearing |
| 09/22/2005 | US20050204830 Magnetostrictive torque sensor shaft and method for manufacturin the same |
| 09/21/2005 | EP1577413A1 Fe-Cr-Si NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND PROCESS FOR PRODUCING THE SAME |
| 09/21/2005 | EP1577410A1 Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing |
| 09/21/2005 | EP1577406A1 Screw or tapping screw |
| 09/21/2005 | EP1577405A1 Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet |
| 09/21/2005 | EP1577404A1 Process for manufacturing a tubular profile resistant to bending and flexible in torsion |
| 09/21/2005 | EP1576199A2 Method for the production of a screw, and screw produced according to said method |
| 09/21/2005 | EP1575722A2 Methods and apparatus for heat treatment and sand removal for castings |
| 09/21/2005 | EP1228253B8 Steel composition, method for making same and parts produced from said compositions, particularly valves |
| 09/21/2005 | CN2727188Y Thermal treatment double-line producing device for high-strength prestressed steel rod |
| 09/21/2005 | CN2727187Y Crankshaft medium frequency dipping and quenching inductor |
| 09/21/2005 | CN1671876A Steel and mould tool for plastic materials made of the steel |
| 09/21/2005 | CN1671874A Steel wire for heat-resistant spring, heat-resistant spring and method for producing heat-resistant spring |
| 09/21/2005 | CN1670315A Integral casting alloy steel shovel edge plate for loader and its manufacturing process and device |
| 09/21/2005 | CN1670235A Shield engine disk type hobbing cutter ring and its production method |
| 09/21/2005 | CN1670234A Crankshaft |
| 09/21/2005 | CN1669685A Process for rolling tin-containing free cutting steel |
| 09/21/2005 | CN1219611C Method for manufacturing chain |
| 09/20/2005 | US6945776 Method and a skid member for reducing temperature difference in a heating subject and a skid apparatus using them |
| 09/15/2005 | WO2005085480A1 Method for producing a structural part from hypereutectoid steel |
| 09/15/2005 | DE102005003887A1 Montagevorrichtung Mounting device |
| 09/14/2005 | EP1574592A1 Bearing steel excellent in workability and corrosion resistance, method for production thereof, and bearing member and method for manufacture thereof |
| 09/14/2005 | EP1572412A2 Method for arc welding of ductile cast iron |
| 09/14/2005 | EP1572387A1 Method and production line for rationally producing u-shaped heat exchange tubes |
| 09/14/2005 | CN2725308Y High level steel discharging machine for producing medium thick plates |
| 09/14/2005 | CN1668773A Quenched and tempered steel wire with superior cold forging characteristics |
| 09/14/2005 | CN1667138A Wheel rotating quenching process and apparatus therefor |
| 09/14/2005 | CN1667133A Ferrous seal sliding parts and producing method thereof |
| 09/14/2005 | CN1218796C Method for manufacturing chain |
| 09/09/2005 | WO2005083141A1 High strength bolt excellent in characteristics of resistance to delayed fracture and resistance to relaxation |
| 09/09/2005 | WO2005083140A1 Extremely thin cold rolled steel sheet having high strength, method for production thereof, material for gasket using the sheet and gasket member using the material |
| 09/08/2005 | US20050194071 Heat crack resistance, seizing resistance and abrasion resistance; for floating seal members such as rollers, idlers and reduction gears for construction machines |
| 09/08/2005 | DE102004054393B3 Convective heat treatment fan for gas cushion supporting metal strip has radial fan at the center of a radial array of guide vanes |
| 09/08/2005 | DE102004007071A1 Verfahren zur Herstellung eines Bauteils durch Umformen einer Platine und Vorrichtung zur Durchführung des Verfahrens A method for producing a component by shaping a blank and a device for carrying out the method |
| 09/07/2005 | EP1571230A1 High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof |
| 09/07/2005 | EP1571229A1 High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof |
| 09/07/2005 | EP1571227A1 Cr-CONTAINING HEAT-RESISTANT STEEL SHEET EXCELLENT IN WORKABILITY AND METHOD FOR PRODUCTION THEREOF |
| 09/07/2005 | CN1666095A Magnetostrictive torque sensor shaft and method for manufacturin the same |
| 09/07/2005 | CN1665953A Process for producing aluminum material for electrolytic capacitor electrode, aluminum material for electrolytic capacitor electrode and electrolytic capacitor |
| 09/07/2005 | CN1664130A A work coil for heating treatment of the wheel tooth position |
| 09/07/2005 | CN1663718A Tool holder and method of making |
| 09/07/2005 | CN1218079C 缝纫机零件 Sewing Machine Parts |
| 09/07/2005 | CN1218055C Thermal processing method for crankshaft of high-power engine |
| 09/06/2005 | US6939623 High strength steel plate having superior electromagnetic shielding and hot-dip galvanizing properties |
| 09/06/2005 | US6939419 Method for producing axially symmetric parts and the article |
| 09/06/2005 | US6939418 Process for the thermomechanical treatment of steel |
| 09/06/2005 | US6939131 Support for a part to be subjected to heat treatment in an oven, and a method of heat treating a metal part |
| 09/06/2005 | US6938324 Method of manufacturing a stator core |
| 09/01/2005 | WO2005081586A1 Method and device for induction heating and hardening apparatus |
| 09/01/2005 | WO2005080686A1 Hardening process using laser in railway applications and relative equipment |
| 09/01/2005 | WO2005080685A1 Welding unit for welding two rails of a track and corresponding method |
| 09/01/2005 | WO2005080621A1 Steel sheet or steel pipe being reduced in expression of baushinger effect, and method for production thereof |
| 09/01/2005 | US20050189045 Heat crack resistance, seizing resistance and abrasion resistance; for floating seal members such as rollers, idlers and reduction gears for construction machines |
| 09/01/2005 | US20050188537 Ported engine cylinder liner with selectively laser-hardened and induction-hardened bore |
| 09/01/2005 | DE10326071B4 Umlenkvorrichtung für bewegte Bänder Deflection of moving belts |
| 09/01/2005 | DE102004022047B3 Continuous strand furnace for heat treating workpieces comprises a conveyor belt arrangement arranged in a high temperature zone of a heating chamber in the conveying direction to simultaneously move with the conveyor belt |
| 09/01/2005 | CA2551233A1 Welding unit for welding together two rails of a track and method |
| 08/31/2005 | EP1568791A1 High strength cold rolled steel sheet and method for manufacturing the same |