Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
10/1996
10/30/1996CN1033173C Tech. for preparing alloy ultro-micro partical by heat treatment precipitation electrochemistry extraction
10/29/1996US5569339 Method of annealing metal parts
10/29/1996US5569018 Technique to prevent or divert cracks
10/24/1996WO1996033291A1 Sealing device for zone outlet/inlet of atmosphere equipment
10/24/1996WO1996033290A1 Process for the thermal or thermo-chemical treatment of steel precision components
10/24/1996WO1996033033A1 Heat treatment for lost foam cast materials
10/24/1996DE19525278A1 Verfahren zur thermischen oder thermochemischen Behandlung von Präzisionsbauteilen aus Stahl Procedures for thermal or thermo-chemical treatment of precision components made of steel
10/23/1996EP0738784A1 High chromium martensitic steel pipe having excellent pitting resistance and method of manufacturing
10/23/1996EP0672194A4 Method and apparatus for controlling heat transfer between a container and workpieces.
10/23/1996CN1033098C High manganese austenitic steel having excellent shapability, strength and weldability and its process for production
10/22/1996US5567381 Hybrid heat treating furnace
10/22/1996US5567250 Cooling at a particular rate
10/17/1996WO1996032507A1 Equipment for manufacturing stainless steel strip
10/17/1996WO1996032201A1 Structures having enhanced biaxial texture and method of fabricating same
10/16/1996EP0737254A1 Steel bars and rods and manufacturing process
10/15/1996US5565272 Surface glass film formed during secondary recrystallization annealing is composed of forsterite and spinel
10/15/1996US5565046 Combustion in oxygenated air, burning the binder, recovering the loose sands by fluidizing with air
10/08/1996US5562786 Process for producing heat-treated sintered iron alloy part
10/02/1996EP0735149A1 Device for the vacuum heat treatment of metallic articles
10/02/1996DE19532084C1 T- and H-profile steel bar mfr.
10/02/1996DE19521941C1 Mfg. sintered air-hardenable alloy steel component
10/02/1996CN2236499Y General heat treating apparatus
10/01/1996CA2173058A1 Device for heat treating metal workpieces in a vacuum
09/1996
09/26/1996WO1996029436A1 Method for producing a gray iron brake
09/26/1996DE19524176C1 Heat treatment process for light alloy castings
09/24/1996US5558727 Steel sheet for automobiles having excellent impact resistance and method of manufacturing the steel sheet
09/19/1996WO1996028575A1 Method for making steel wires and shaped wires, and use thereof in flexible ducts
09/19/1996WO1996028574A1 Process and device for increasing the degree of absorption during superficial solid phase hardening of workpieces by laser radiation
09/19/1996DE19508947A1 New wear resistant iron@-molybdenum@-tungsten@ alloy
09/18/1996EP0732419A1 Re-melt processing method on metal surface
09/18/1996EP0732418A1 Highly corrosion-resistant martensitic stainless steel with excellent weldability and process for producing the same
09/18/1996EP0732303A1 Process and apparatus for the production of nitrogen for thermal treatment
09/18/1996EP0731883A1 Method of treating brake pads
09/17/1996US5556035 Arrangement for cooling rolled strips
09/17/1996CA2171793A1 Nitrogen generation process and plant for thermal processing
09/12/1996WO1996027684A1 A technique to prevent or divert cracks
09/12/1996DE19608401A1 Expandable mandrel for mounting workpieces for hardening
09/12/1996DE19525670C1 Cutting blade for agricultural machinery
09/11/1996EP0731183A1 Sealing device for inlet or outlet of atmosphere equipment
09/11/1996EP0730917A1 Arrangement of pivotable control valves for pressurised air supply channels under the rollers of a roller-conveyor for wire loops
09/11/1996EP0393137B1 Carburized low silicon steel article and process
09/11/1996CN1130883A Method and device for manufacturing cold rolled metal sheets or strips, and metal sheets or strips obtained
09/11/1996CN1032763C Apparatus for continous heat treatment of metallic objects
09/10/1996US5554230 Low dew point gas generator cooling system
09/04/1996EP0730039A1 Magnesia coating and process for producing grain oriented electrical steel for punching quality
09/04/1996EP0729519A1 Facility for the heat treatment of metal parts, especially parts made of zinc-containing non-ferrous metals
09/04/1996EP0668891A4 Coating an object of interest.
09/04/1996EP0605444B1 Process and apparatus for surface hardening of refractory metal workpieces
09/03/1996US5551999 Eliminating recrystallization of superalloys
09/03/1996US5551670 High intensity infrared heat treating apparatus
08/1996
08/29/1996WO1996026296A1 Variable-width induction heater
08/29/1996WO1996025969A2 High performance wires for use in medical devices and alloys therefor
08/29/1996DE19500879C1 Surface hardening of workpieces using electron beams, esp. guideway elements
08/29/1996CA2169914A1 Magnesia coating and process for producing grain oriented electrical steel for punching quality
08/28/1996EP0728848A2 Base for bell type furnaces
08/28/1996EP0728846A2 Steel strapping for high temperature use
08/28/1996EP0728845A2 Magnetic strips and methods for making the same
08/28/1996EP0728052A1 Continuously cast steel strip
08/28/1996CN1129960A Method of treating at least one component made of weakly magnetic material
08/27/1996US5549809 Method for hardening metallic elements
08/27/1996US5549768 Cold working followed by rapid recrystallization improves corrosion and fatigue resistance
08/27/1996US5548882 Storage oven for thin slab casting
08/22/1996DE19504784A1 Rapid stress relief of hardened crankshaft
08/22/1996CA2169915A1 High performance steel strapping for elevated temperature service
08/21/1996EP0727498A1 Process and installation for cooling workpieces, in particular for hardening
08/21/1996CN2233409Y Numerically-controlled plasma arc heat treating machine
08/21/1996CN1129464A Sealing device for outlet/inlet of controlled atmosphere heat treatment furnace
08/21/1996CN1129463A Sealing device for inlet or outlet of atmosphere equipment
08/21/1996CN1032595C Middle-frequency induction heating device for aucte track of rail road switch
08/21/1996CN1032594C Method for preparation of iron-base nm crystal material by pulse current treatment
08/20/1996US5547521 Heat treatment method for lost foam cast materials
08/20/1996US5547519 Magnesia coating and process for producing grain oriented electrical steel for punching quality
08/20/1996CA2072896C Apparatus for heat treating successive charges
08/14/1996EP0725839A1 Process for annealing items and suitable annealing furnace
08/14/1996CN1128958A Fire detecting and counteracting method in sealing device at inlet/outlet of compartment of continuous heat treatment furnace or the like for metallic strip
08/14/1996CN1128801A Laser surface optimization system for rollers
08/14/1996CN1032545C Art for double preheating and normalizing pretreatment
08/13/1996US5545268 Surface treated metal member excellent in wear resistance and its manufacturing method
08/13/1996CA2060700C Gas analysis system for furnaces and the like
08/07/1996EP0725152A1 Method and device for cooling hot-rolled profiles
08/06/1996US5543127 Dilute solution of a hydride in liquid nitrogen
08/06/1996US5542995 Method of making steel strapping and strip and strapping and strip
08/06/1996US5542994 Method for manufacturing a high-formable, high-strength cold-rolled steel sheet excellent in resistance to secondary working embrittlement
08/06/1996US5542165 Line to produce strip and/or sheet
07/1996
07/31/1996CN1128052A High-strength steel sheet adapted for deep drawing and process for producing the same
07/31/1996CN1127789A Paint for preventing high-carbon steel billet from heat oxidating and decarbonizing
07/31/1996CN1032435C Process and device for amorphous treatment of surface layer of ring
07/25/1996WO1996022396A1 Improvements in and relating to carbide-free bainitic steels and methods of producing such steels
07/25/1996CA2210797A1 Improvements in and relating to carbide-free bainitic steels and methods of producing such steels
07/24/1996EP0723034A2 A gas carburising process and an apparatus therefor
07/24/1996EP0723027A1 Device for heating rods or wires with periodically changing diameters while passing through induction coils
07/24/1996EP0722796A1 Process for producing heat-treated sintered iron alloy part
07/24/1996EP0619845A4 Solid metal-carbon matrix of metallofullerites and method of forming same.
07/24/1996CN1032372C Quick shining quenching oil composites
07/23/1996US5538566 Warm forming high strength steel parts
07/18/1996DE19608387A1 Colouring surface of a steel object
07/17/1996EP0721400A1 Device at railway wheels and method for obtaining said device
07/17/1996CN2231473Y Under water plasma arc generator
07/17/1996CN1126763A Laser treatment process of roller surface
07/17/1996CN1126679A Method for producing a vehicular endless track link