Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
03/1996
03/05/1996US5496514 Stainless steel sheet and method for producing thereof
03/05/1996US5496459 Apparatus for the treating of metal surfaces
03/05/1996US5496425 Having desired cross-sections from blanks having ferrite-perlite microstructure by rolling, upsetting, forging or extrusion
02/1996
02/29/1996WO1996006199A1 Method for heat treating a metal component
02/29/1996WO1996006198A1 Surface treated iron bearing element
02/29/1996WO1996006194A1 Method and apparatus for correction tempering rolling part
02/29/1996CA2198246A1 Method for heat treating a metal component
02/29/1996CA2196663A1 Surface treated iron bearing element
02/28/1996EP0475962B1 Method and apparatus for making card clothing
02/28/1996CN2221030Y Switch quenching apparatus
02/28/1996CN2221029Y High frequency heat treating furnace
02/27/1996US5494537 High strength and toughness stainless steel strip and process for the production of the same
02/27/1996US5494264 Device for the alternate winding-up and unwinding of strip-shaped material
02/27/1996US5493766 Process for hot working continuous-cast bloom and steel ingot
02/22/1996WO1996005018A1 Heat treating, annealing and tunnel furnace rolls
02/22/1996WO1996000311A3 Steel for rail-bound vehicle wheels, preferably for railway vehicle wheels
02/22/1996DE4429203A1 Continuously fed metal product, e.g. strip, wire, rod, profile etc.
02/22/1996DE4428614A1 Annealing steel sheet without causing annealing edges
02/21/1996CN1117313A Sealing device for doorways of partitions of continuous annealing furnace, continuous coating equipment, and the like
02/20/1996US5492575 Process for producing thin strip of Cr-stainless steel having high toughness
02/20/1996US5492308 Constrained quenching apparatus and heat treatment apparatus
02/15/1996DE19515265A1 Single- or multi-line casting-rolling installation partic. for thin strip
02/14/1996EP0696648A1 Corrugating roll and manufacturing method thereof
02/13/1996US5490908 Annealing and descaling method for stainless steel
02/13/1996US5490315 Method and apparatus for continuously hot rolling strip
02/08/1996WO1996003532A1 Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance
02/07/1996EP0695808A1 Method of producing cold-rolled metallic strips, in particular strips of stainless steel and of titanium alloys
02/07/1996EP0695590A1 Method and device for cooling hot-rolled metal plates and strips
02/06/1996US5489348 Method for preflashing filaments for x-ray tube cathode assemblies
02/01/1996WO1996002677A1 A method of making cold formed high-strength steel parts
02/01/1996WO1996002676A2 Cold formed high-strength steel structural members
02/01/1996WO1996002675A1 Warm forming high-strength steel structural members
02/01/1996WO1996002305A1 Process for producing a ski edge
02/01/1996DE4428791C1 Surface hardening process for metal objects using ultrasonic waves
01/1996
01/31/1996EP0694622A1 Corrosion resistant alloy and method for making corrosion resistant cutting tools
01/31/1996EP0694621A1 Process for producing a coil spring
01/31/1996CN1115991A Cold-rolled steel sheet having excellent workability and process for producing the same
01/30/1996US5488219 Induction heating coil assembly and method for hardening inner surface of cylinder by using the same
01/30/1996US5487795 Method for heat treating an impact beam of automotive vehicle door and a system of the same
01/25/1996WO1995033954A3 Holder for workpieces with a non-ideal rigidity
01/25/1996DE4437683C1 Heat treatment of wire in coil
01/25/1996DE4424979C1 Verfahren für die Herstellung einer Skikante A process for the production of a ski edge
01/24/1996EP0693593A1 Method for assembling very long parts of sheet metal girders for the legs of an oilplatform
01/24/1996EP0693571A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
01/24/1996EP0693570A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
01/24/1996EP0693569A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
01/24/1996EP0693562A1 Process and apparatus for heat-treating shaped rolled pieces
01/24/1996CN1030776C Heat treatment technique and apparatus for steel circular sawing machine
01/23/1996US5486245 Method for raising welded rail connections lying below the traveling surface on railroad tracks
01/23/1996US5485985 Method and apparatus for heat treating
01/21/1996CA2154044A1 Process and device for cooling heated metal plates and strips
01/17/1996EP0692555A1 Annealing and descaling method for stainless steel
01/17/1996EP0682770A4 Heating furnace system and method for producing hot rolled workpieces.
01/17/1996CN1115173A Hot rolling device for steel strips
01/12/1996CA2152453A1 Annealing and descaling method for stainless steel
01/11/1996WO1996000840A1 Turbine vane flow area restoration method
01/10/1996EP0690758A1 Surface decarburization of a drill bit having a refined primary cutting edge
01/09/1996US5483548 Insulated furnace door and wall panel system
01/09/1996US5482576 Railway-track elements and method of manufacturing them
01/04/1996WO1996000311A2 Steel for rail-bound vehicle wheels, preferably for railway vehicle wheels
01/04/1996WO1996000307A1 Seal apparatus of heat-treatment furnace using furnace atmosphere gas containing hydrogen gas
01/04/1996WO1996000305A1 Method of increasing the yield strength of cold formed steel sections
01/03/1996EP0690663A1 Coil arrangement for induction heating of sheet metal
01/03/1996EP0690145A1 Corrosion-resistant metallic porous member and method of manufacturing the same
01/03/1996EP0689717A1 Method of manufacturing a shadow mask of the nickel-iron type
01/02/1996US5479807 Coiler furnace for a hot strip
12/1995
12/28/1995WO1995035173A1 Process for producing sturdy, wear-resistant rotating wire, rope and/or cable running surfaces, especially surfaces of wire drawing drums of wire drawing machines or similar conveyor rollers or drums
12/27/1995EP0688878A1 Process and apparatus for post-treating welded plates
12/27/1995EP0688627A1 Process for pre- or post-treatment of components welding seam to be executed resp. executed
12/26/1995US5478419 Heating cold-rolled product to beta range followed by rapid cooling
12/26/1995US5478410 Process for producing grain-oriented electrical steel sheet having low watt loss
12/26/1995US5478057 Apparatus for the heat treatment of workpieces
12/26/1995US5478054 Device tempering steel tubes
12/24/1995CA2152142A1 Process and device for the posttreatment of welded compound panels
12/21/1995WO1995034853A1 Method for manufacturing flashless metal connecting rod
12/21/1995WO1995034690A1 Process for producing steel pipe excellent in corrosion resistance and weldability
12/20/1995EP0687739A1 Method of making surface-hardened metal shot
12/20/1995EP0687394A1 Improved process for manufacturing alternator pole piece
12/20/1995CN2215495Y Tempering press for controlling heat treatment deformation of thin steel sheet
12/20/1995CN2215494Y Metal tube (bar) anneal equipment
12/14/1995WO1995033954A2 Holder for workpieces with a non-ideal rigidity
12/14/1995WO1995033861A1 Sealing device for inlet or outlet of atmosphere equipment
12/14/1995WO1995033860A1 Sealing device for outlet/inlet of controlled atmosphere heat treatment furnace
12/14/1995WO1995033521A1 Fire detecting and counteracting method in sealing device at inlet/outlet of compartment of continuous heat treatment furnace or the like for metallic strip
12/14/1995DE4420092A1 Engine camshaft with induction hardened cams
12/13/1995EP0686702A1 Process and installation for producing hot wide strip
12/13/1995EP0686442A2 Process for making exhaust valves
12/12/1995US5474227 Method of forming seamed metal tube
12/12/1995US5473960 Steering rack shaft and method of manufacturing the same
12/07/1995WO1995033078A1 Method and apparatus for sealing at zone outlet/inlet of heat-treatment furnace using atmosphere gas containing hydrogen gas
12/07/1995DE4429975C1 Treating heat-affected zone of welded steel
12/07/1995DE4419356A1 Haltevorrichtung für ein nicht ideal starres Werkstück Holding device for a non-ideal rigid workpiece
12/07/1995DE19519769A1 Magnetostrictive shaft for magnetostrictive torque sensor
12/06/1995EP0685696A1 Sealing device for doorways of partitions of continuous annealing furnace, continuous coating equipment, and the like
12/06/1995EP0685566A1 Rail of high abrasion resistance and high tenacity having pearlite metallographic structure and method of manufacturing the same
12/06/1995EP0543010B1 Process for producing annular part
12/05/1995USRE35106 Drawing metal material to form rail intermediate product with guide groove portion in each side surface, hardening, grinding side surfaces using profiled grinder including tapered relief trench at bottom
12/05/1995US5472528 Continuous processing; efficiency
11/1995
11/29/1995CN1112607A A vertical bright annealing furnace for continuous heat treatment of metal strips
11/29/1995CN1030399C Heat treatment technology for steel spring band