| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 10/12/2004 | US6802915 Manufacturing method of a pushing block for a CVT belt |
| 10/12/2004 | US6802914 Stress relieved grinding ball having hard outer shell |
| 10/12/2004 | US6802711 Apparatus for supporting material to be treated in continuously operated thermal treatment furnaces |
| 10/07/2004 | WO2004085691A1 High strength hot rolled steel sheet excelling in bore expandability and ductility and process for producing the same |
| 10/07/2004 | WO2004085685A1 Process for producing high-strength spring |
| 10/07/2004 | WO2004067783A3 Eglin steel - a low alloy high strength composition |
| 10/07/2004 | US20040197168 Device for the transport of metallic work pieces |
| 10/07/2004 | DE10312623A1 Querfeld-Erwärmungsanlage Cross-field heating installation |
| 10/07/2004 | CA2520022A1 High-strength hot-rolled steel sheet excellent in hole expandability and ductility and production method thereof |
| 10/06/2004 | EP1464905A1 Apparatus for transporting metallic workpieces |
| 10/06/2004 | EP1464712A1 Method for producing grain-oriented silicon steel plate with mirror surface |
| 10/06/2004 | EP1464711A1 Method and apparatus for hardening of annular workpieces |
| 10/06/2004 | EP1200647B1 Method for producing improved cold rolled strip that is capable of being deep drawn or ironed, and cold rolled strip, preferably used for producing cylindrical containers and, in particular, battery containers |
| 10/06/2004 | CN1535323A Multi-phase steel sheet excellent in hole expandability and method of producing the same |
| 10/06/2004 | CN1534212A 滚动轴承 Rolling |
| 10/06/2004 | CN1169975C Process for annealing high-purity aluminium foil with strong cubic texture for electrolytic capacitor |
| 10/06/2004 | CN1169972C Heat treating process and inductor for key surface of hub |
| 10/05/2004 | US6800147 High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof |
| 10/05/2004 | US6800144 Hot forging the steel; machining and optionally piercing the forged product; carburizing and quenching and tempering the machined steel to attain an effective case depth of 0.4 to 0.9 mm |
| 09/30/2004 | WO2004084586A1 Transversal field heating installation for inductively heating flat objects |
| 09/30/2004 | WO2004083466A1 Metal-coated strip |
| 09/30/2004 | WO2004082872A2 Method and apparatus for strengthening of powder metal gears by ausforming |
| 09/30/2004 | WO2003076673A8 High-resistant, low-density hot laminated sheet steel and method for the production thereof |
| 09/30/2004 | US20040192526 Disc roll, method for producing the same, and disc member base material |
| 09/30/2004 | US20040190808 Rolling bearings |
| 09/30/2004 | US20040187982 Hot-rolled steel strip for high strength electric resistance welding pipe and manufacturing method thereof |
| 09/30/2004 | US20040187981 Pealite base rail excellent in wear resistance and ductility and method for production thereof |
| 09/30/2004 | US20040187974 Guiding through cooling stretch for transformation perlitic or ferritic/perlitic structure; stress relieving |
| 09/30/2004 | DE10312650B3 Heat treatment furnace used as a pressure sintering furnace comprises a housing, an insulating cage held by the furnace, a muffle arranged inside the cage, and a unit for introducing cooling gas from a gas supply container |
| 09/30/2004 | DE10312394A1 Process for heat treating a component made from a metal alloy comprises cooling a region of the component with a gas stream before quenching with a liquid medium |
| 09/30/2004 | DE10035450B4 Verfahren und Vorrichtung zum Einsetzen länglicher Werkstücke in einen Transportrost Method and apparatus for inserting elongated workpieces into a transport grate |
| 09/29/2004 | EP1462669A2 Rolling bearings |
| 09/29/2004 | EP1462535A1 Hot-rolled steel strip for high strength electric resistance welding pipe and manufacturing method thereof |
| 09/29/2004 | EP1462529A1 Bell type furnace, especially for strip or coiled wire |
| 09/29/2004 | EP1462192A1 Method for forming a plate of heat treatable steel and device for carrying out thereof |
| 09/29/2004 | EP1214457B1 Use of a stainless steel for umbilicals in seawaters |
| 09/29/2004 | EP0914480B1 Process for producing an easily shaped cold-rolled sheet or strip |
| 09/29/2004 | CN1168948C Continuous treater |
| 09/29/2004 | CN1168843C Magnetostriction control type allpy plate and structural element for colour kinescope and process for producting magnetostriction control type alloy plate |
| 09/28/2004 | US6797084 Method of manufacturing case hardened journal cross for use in a universal joint |
| 09/27/2004 | CA2461831A1 Hot-rolled steel strip for high strength electric resistance welding pipe and manufacturing method thereof |
| 09/23/2004 | WO2004040026A3 Rolling bearing in aircraft |
| 09/23/2004 | US20040183637 Induction heat treatment of complex-shaped workpieces |
| 09/23/2004 | US20040183239 Apparatus for softening a selected portion of a steel object by heating |
| 09/23/2004 | US20040182484 Tumbling small hot metal objects in upward flow of quenching gas distributed uniformly from a multiplicity of aperturesin a horizontal floor at uniform velocity and being subjected to deceleration to keep down the number of objects carried away by quenching gas |
| 09/22/2004 | EP1459846A1 Leaf spring for vehicle and method of manufacturing the leaf spring |
| 09/22/2004 | EP1458896A1 High strength cold rolled steel sheet with superior formability and weldability, and manufacturing method therefor |
| 09/22/2004 | CN1530458A Oxidation controlling method before continuous steel strip electroplating and electroplating operating line |
| 09/22/2004 | CN1530450A Rotary parts and manufacturing method thereof |
| 09/21/2004 | US6795016 Jig for heat treatment of work |
| 09/21/2004 | US6793745 Maraging type spring steel |
| 09/21/2004 | US6793743 Beam is roll-formed from a unitary, monolithic piece of sheet steel with the tubular portion being of high-strength steel and the flanges of low strength steel; impact strength, lower weight |
| 09/16/2004 | US20040178043 Roller table roll, particularly for conveying furnace-heated metallic strip material |
| 09/16/2004 | US20040177906 Method for manufacturing articles using a semi-continuous flow of workpieces through metal working and annealing apparatus |
| 09/16/2004 | US20040177905 excellent in stretch-flangeability and spot-weldability; weight reduction of automobile; continuous annealing; suppression of transformation of austenite into ferrite |
| 09/16/2004 | US20040177903 Process for the controlled oxidation of a strip before continuous galvanizing, and galvanizing line |
| 09/15/2004 | EP1457580A1 Method for the control of oxidation of sheets before hot dip galvanizing and galvanizing line |
| 09/15/2004 | EP1457576A1 Press molding and its high frequency quenching method and its high frequency quenching system |
| 09/15/2004 | EP1456430A1 Surface treatment of austenitic ni-fe-cr based alloys |
| 09/15/2004 | EP1456422A1 Method for avoiding adhesions and scratches during recrystallization annealing of cold rolled strips |
| 09/15/2004 | EP1456421A1 Method and device for controlled straightening and cooling of a wide metal strip, especially a steel strip or sheet metal, running out of a hot rolled strip rolling mill |
| 09/15/2004 | CN2641058Y Annealing protective cover for stainless steel |
| 09/15/2004 | CN1529787A Steel pipe for use as embedded expandedpipe, and method of embedding oil-well steel pipe |
| 09/15/2004 | CN1529070A Bicycle chainlink-joint low-carbon martensite reinforcing method |
| 09/15/2004 | CN1166806C Method and system for cooling strip material |
| 09/15/2004 | CN1166805C High strengt austenic stainless steel belt with excellent straightness and its making process |
| 09/14/2004 | CA2188315C Continuous manufacturing process for a rolled stainless steel web and continuous line for implementing same |
| 09/14/2004 | CA2185995C Method and apparatus for joining metal components |
| 09/10/2004 | WO2004076703A1 Steel sheet for recording medium case, method for producing same and recording medium case |
| 09/10/2004 | WO2004076094A1 Method of manufacturing metal ring for endless metal belt |
| 09/09/2004 | US20040173290 Ultrasonic machining and reconfiguration of braking surfaces |
| 09/09/2004 | DE10260345B3 Vorrichtung und Verfahren zum Bearbeiten einer Innenwand einer in ein Werkstück eingebrachten Ausnehmung An apparatus and method for machining an inner wall of an inserted into a workpiece recess |
| 09/08/2004 | EP1454888A2 Method for producing a disc roll, disc roll and disc member base material |
| 09/08/2004 | EP1326723A4 A method of producing steel |
| 09/08/2004 | EP1051530A4 Advanced case carburizing secondary hardening steels |
| 09/08/2004 | EP0731183B1 Sealing device for inlet or outlet of atmosphere equipment |
| 09/08/2004 | CN2639348Y Jet-air cooling device for rail welding heat treatment |
| 09/08/2004 | CN2639314Y Heat treating device of packed spring machine |
| 09/08/2004 | CN1526836A Rolling parts and producing process thereof |
| 09/08/2004 | CN1526669A Disc roller, its producing method and disc parts substrate material |
| 09/08/2004 | CN1526510A Production and repairing method for wing surface of integrated blade rotor |
| 09/07/2004 | US6787740 Metal alloy hub section welded to a metal alloy airfoil, solution treating the hub at 1620-1655 degrees f to 1-4 hours, and oil quenching |
| 09/07/2004 | US6787485 Appliance and method for tempering a plurality of process items by absorption of electromagnetic radiation generated by plural sources of the radiation |
| 09/02/2004 | WO2004075605A2 Induction heat treatment of complex-shaped workpieces |
| 09/02/2004 | US20040169321 Insertion of spacer into contact columns; heating to hardening; positioning electroconductive segemnt next to shoulder; supplying altenating current; cooling jackets |
| 09/02/2004 | US20040169099 Method for increasing the shearing resistance in disk chipper knife mounting clamps and a disk chipper equipped with such knife mounting clamps |
| 09/02/2004 | US20040168753 Steel sheet and method for manufacturing the same |
| 09/02/2004 | US20040168326 Method of making a composite utility blade |
| 09/01/2004 | EP1452755A1 Differential supported by rolling element bearing with a shaft and gears and a method of manufacturing the rolling elements, the races, the shaft and the gears by hardening including carbonitriding |
| 09/01/2004 | EP1452617A1 Methods of forming steel |
| 09/01/2004 | EP1452616A1 Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
| 09/01/2004 | EP1452610A1 Rolling, sliding part and process for producing same |
| 09/01/2004 | EP1452247A1 Method of manufacturing steel plate |
| 09/01/2004 | EP1451379A1 Dampers for furnace coilers |
| 09/01/2004 | EP1451378A1 Fastening element made of a carbon-containing steel and method for the production thereof |
| 09/01/2004 | EP1225993A4 Heat treatment and sand removal for castings |
| 09/01/2004 | CN1526027A Integrated metal processing facility |
| 09/01/2004 | CN1525129A Metallic material low temperature refrigeration treatment case |
| 09/01/2004 | CN1525079A Rolling, sliding part and process for producing same |
| 09/01/2004 | CN1525078A Differential supported by rolling element bearing with a shaft and gears and a method of manufacturing the rolling elements, the races, the shaft and the gears by hardening including carbonitriding |