Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
02/2002
02/14/2002DE10058369C1 Cooling device used for cooling heat treated wires comprises a cooling chamber with an inlet and an outlet for the wire
02/14/2002DE10037363A1 Iron-based cast alloy used as a rolling material contains alloying additions of aluminum, boron, chromium, calcium, cobalt, manganese, molybdenum, niobium, tantalum, phosphorus, sulfur, silicon, titanium, vanadium, tungsten and zirconium
02/14/2002CA2423138A1 Method and device for plasma treatment of moving metal substrates
02/13/2002CN1335416A Magnetostriction control type alloy plate and structural element for colour kinescope and process for producing magnetostriction control type alloy plate
02/13/2002CN1079117C Ready-to-use metal wire and method for producing the same metal wire
02/12/2002US6346214 Top hat furnace
02/12/2002US6346157 Manufacturing method of suspension spring for car
02/12/2002US6345433 Fabrication method for high speed induction motor rotor
02/07/2002WO2002010599A2 High speed angular contact ball bearing
02/07/2002WO2002010465A1 Method and means for heat treating cutting tools
02/07/2002WO2002010464A1 Method and device for inserting elongated workpieces into a transport grate
02/07/2002WO2002009905A1 Method and device for hardening a metal component by plasma pulse technology
02/07/2002US20020014291 Used as driven gear of an arm type window regulator device for a vehicle, which is driven by a drive gear driven by a motor, surface hardness
02/07/2002DE10035450A1 Procedure for insertion of elongated workpieces of steel into transport grid has loading robot whose path and movement angle are measured with position measurement system and passed on to control electronics
02/06/2002EP1178134A1 Process and apparatus for the continuous plasma treatment of metallic substrates
02/06/2002EP1178126A1 Bar or wire product for use in cold forging and method for producing the same
02/06/2002EP1177709A1 Induction heat treatment of complex-shaped workpieces
02/06/2002EP1177055A1 Heat shields
02/06/2002CN2475737Y Short slip slope for end-discharge furnace head
02/06/2002CN1334883A High-strength, high-toughness stainless steel excellent in resistance to delayed fracture
02/06/2002CN1334757A Method for mfg. of strips of stainless steel and integrated rolling mill line
02/06/2002CN1078913C Method for making Fe-Ni alloy used in electron gun parts
02/05/2002US6345149 UV oven for curing magnet wire coatings
02/05/2002US6344098 Heat treatment process is provided that produces a monoblock, low alloy steel rotor for use in low pressure steam turbines.
02/05/2002US6344097 Surface treatment of austenitic Ni-Fe-Cr-based alloys for improved resistance to intergranular-corrosion and-cracking
02/05/2002CA2049091C Steam turbine rotor having graded weldments
01/2002
01/31/2002WO2002008482A1 Railway wheels resistant to martensite transformation
01/31/2002US20020011468 Electric joining method and apparatus and a joined unit of members
01/31/2002US20020011284 Producing seamless line pipes within the quality grade range X 52 to X 90, with a stable yield strength up to a temperature of use of 200 degrees C., and with an essentially constant stress-strain characteristic
01/31/2002US20020011283 Used for sharp curves of a high-axle load railroad
01/31/2002US20020011282 Anhysteretic magnetic permeability of 15,000 or higher at 0.35 Oe and yield stress of 24 kgf/mm2 or more.
01/31/2002DE10033644A1 Verfahren und Vorrichtung zum Abkühlen von durch Warmverformen erzeugten, metallischen Langprodukten Method and apparatus for cooling produced by thermoforming, metallic long products
01/30/2002EP1176221A2 Magnetorestriction control alloy sheet, a part of a Braun tube and a manufacturing method for a magnetorestriction control alloy sheet
01/30/2002EP1176218A1 Process for smoothing energy beam welded weld beads
01/30/2002EP0842715B1 Seamless steel pipe manufacturing method and equipment
01/30/2002CN1078627C Cold rolled steel plate having excellent deep drawability and time limitation resistance, and method for mfg. same
01/29/2002US6341955 Sealing apparatus in continuous heat-treatment furnace and sealing method
01/29/2002CA2255248C Method and system for suppressing surface oxide film during hot finish rolling
01/24/2002WO2002006548A1 Fe-ni or fe-ni-co or fe-ni-co-cu alloy strip with improved cuttability
01/24/2002WO2002006546A1 Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing the same, and combination of piston ring and cylinder block
01/24/2002WO2002006539A1 Method and device for hardening surfaces on components
01/24/2002WO2001042615A3 Drill rod
01/24/2002DE10034421A1 Inductor used for inductively hardening workpieces comprises inductor heads detachedly connected together by an electrical conductor arrangement
01/24/2002DE10031681A1 Heating a flat material comprises directing a convection heat stream onto the surface of the material so that one surface includes a specified angle
01/23/2002EP1173625A1 Method for producing a rolling bearing steel
01/23/2002EP1173624A1 Method for hardening ring-shaped grooves by means of laser beams
01/23/2002EP1015645B1 Method for manufacturing quenched thin-walled metal hollow casing by blow-moulding
01/23/2002CN2473217Y Furnace bottom structure of annealing furnace for nodular cast iron pipe
01/23/2002CN2473216Y Furnace structure of electric furnace for annealing drying
01/23/2002CN1332808A Strip guiding device comprising rotatable constructon for changing supporting rolls having cooling means
01/23/2002CN1332807A Steel band with good forming properties and method for producing same
01/23/2002CN1332255A Reinforcing laser treatment for surface of cast steel roll
01/23/2002CN1078256C Process for producing grain-orientated magnetic steel sheet
01/23/2002CN1078255C Process and apparatus for continosly casting sheet metal
01/23/2002CN1078252C Production method of heat-treated member
01/23/2002CN1078113C Process for manufacturing thin strip of ferritic stainless steel, and thin strip thus obtained
01/22/2002US6340400 Stainless steel
01/22/2002CA2255243C Method and system for suppressing formation of scale defects during hot finish rolling
01/22/2002CA2255138C Alloying system and heating control device for high grade galvanized steel sheet
01/22/2002CA2224290C Part or jig for gas carburizing furnace
01/17/2002WO2002004689A1 Ferritic stainless steel for ferromagnetic parts
01/17/2002WO2002004168A1 Method and apparatus for flexible manufacturing a discrete curved product from feed stock
01/17/2002WO2002004145A2 Method and apparatus for the direct production of scale-free thin metal strip
01/17/2002US20020006349 Computer disk drive
01/17/2002US20020005622 Twist-beam axle for motor vehicles
01/17/2002DE10127388A1 Verfahren zum Abschrecken eines ein Loch aufweisenden Werkstücks, Hilfswerkzeug zur Verwendung beim Abschrecken und Kurbelwelle A method for quenching a workpiece having a hole, auxiliary tool for use in quenching and crankshaft
01/17/2002DE10032313A1 Schraubenfedern aus legiertem Stahl und Verfahren zum Herstellen solcher Schraubenfedern Coil springs made of alloy steel and methods for making such coil springs
01/17/2002CA2384754A1 Ferritic stainless steel for ferromagnetic parts
01/16/2002EP1172454A1 Formed member made of steel sheet and method for producing same
01/16/2002EP1172448A2 Process and device for cooling hot formed elongated metal products
01/16/2002EP1171640A2 Method and device for hardening surfaces of a crankshaft or camshaft
01/16/2002EP1000275B1 One-piece flywheel having outer ring gear portion, and process of manufacturing the same
01/16/2002CN1331349A Method for eliminating residual stress of welded modified thick steel plate structure
01/16/2002CN1077920C Cold rolled steel sheet for shadow mask made by low-temp. annealing and mfg. method therefor
01/15/2002US6338765 To relax residual stresses for higher fatigue strength and load bearing capacity;.
01/15/2002US6338763 Steel wire for high-strength springs and method of producing the same
01/15/2002US6338600 Self-tapping, corrosion-resistant screw with hardened tip
01/10/2002WO2002002840A1 Coil spring from an alloy steel and method for producing such coil springs
01/10/2002WO2002002829A1 Austempered gray iron cylinder liner and method of manufacture
01/10/2002DE10032082A1 Device for processing inner surface of cylindrical bore has laser beam deflection optics with at least one focusing lens in beam path of deflection optics after deflection mirror
01/09/2002EP1170388A1 Steel sheet for tension mask, method for producing the same and tension mask
01/09/2002EP1170081A1 Saw blade with mounting part protruding plastically from blade and process for making same
01/09/2002EP1169486A1 Method of producing a hot-rolled strip
01/09/2002EP1015653B1 Metallurgical vessel
01/09/2002EP0999938B1 Rail wheel with bearing surface with optimised resistance to wear
01/09/2002CN1329970A Positioner for clamping workpiece
01/08/2002US6336980 Method for in-line heat treatment of hot rolled stock
01/08/2002US6336808 Process for manipulating workpieces and a rotating hearth furnace for the same
01/03/2002WO2002000947A1 Method for making a high resistance and high formability cole rolled steel strip
01/03/2002US20020000267 Machine structural steel contains carbide precipitated under a heat treatment for spheroidizing
01/03/2002US20020000180 Tower furnace for heat treatment of metal strips
01/03/2002DE10030100A1 Rolls used for hot and cold rolling slabs, blocks or billets have box grooves for the thermomechanical deformation of metals and metal alloys based on cobalt-containing ledeburitic iron alloys
01/02/2002EP1167791A2 Rolling shaft
01/02/2002EP1167561A2 Carburizing and carbonitriding steel
01/02/2002EP1167554A2 Tower-type furnace for heat treating of metal strip
01/02/2002EP1167553A1 Rolls for disposing at entry side or exit side of quenching zone of continuous annealing furnace and quenching zone unit using rolls
01/02/2002EP1167552A2 A fixturing device for holding a workpiece
01/02/2002CN1329676A Method for processing billets out of metals and alloys and article
01/02/2002CN1328902A Shifting spanner with aluminium alloy handle and its production method
01/02/2002CN1328896A Electric joint method and device and joint element