Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
04/1995
04/18/1995US5407493 Fracture resistant sheets for saw blades; contain aluminum oxide, manganese oxide, and silicon oxide inclusions
04/18/1995US5407180 Heat treat furnace system for performing different carburizing processes simultaneously
04/18/1995US5406706 Forming iron alloy column, forming shaft hole, hardening, tempering
04/13/1995WO1995009736A1 Device at railway wheels and method for obtaining said device
04/12/1995EP0647724A1 Process for manufacturing flat products from zirconium alloy, including a reheating treatment by infrared radiation in the beta range
04/12/1995EP0647485A1 Device for winding-up and winding-off alternately strip-shaped material
04/11/1995US5405464 Coating support metal with silica or other refractory oxide so inhibit the diffusion of carbon from support into steel slab while hot working
04/11/1995US5405463 Continuous annealing process of producing cold rolled mild steel sheet excellent in deep drawability and aging resistibility
04/11/1995US5405461 Method of producing high Strength sucker rod coupling
04/11/1995US5405459 Production process for producing hollow steel tube of high strength
04/11/1995US5405457 High strength sucker rod coupling
04/06/1995WO1995009059A1 Hot rolling device for steel strips
04/06/1995DE4402196C1 Method and device for producing flat welded billets
04/05/1995EP0646656A1 Sheet steel excellent in flanging capability and process for producing the same
04/05/1995EP0646653A1 Heat treated stainless steel needles and methods of making same
04/05/1995CN2193879Y Forced cooler
04/04/1995US5403994 For induction heating of a workpiece
04/04/1995US5403670 Shell portion made of carbon, chromium, silicon, manganese, tungsten, molybdenum, vanadium and iron sintered alloy while core portion made of a steel; hot isostatic pressing, heat treatment, hardening and annealing
04/04/1995US5402994 Device for heat-treating metal workpieces
04/04/1995US5402877 Medium-chain conveyor with two-part scrapers, in particular double medium-chain conveyor
03/1995
03/30/1995WO1995008296A1 A suture needle for use in endoscopic operations and its method of manufacture
03/29/1995EP0645462A1 Process for optimizing the force distribution in spring elements
03/29/1995EP0645461A1 Heat treatment by plasma electron heating and solid/gas jet cooling
03/28/1995US5401941 Apparatus for the inductive cross-field heating of flat material
03/28/1995US5401335 Pulser rings
03/28/1995US5401006 Quench press
03/23/1995WO1995007775A1 Method and device for manufacturing cold rolled metal sheets or strips, and metal sheets or strips obtained
03/23/1995WO1995007774A1 Method and device for manufacturing cold rolled metal sheets or strips, and metal sheets or strips obtained
03/23/1995CA2169632A1 Method and device for manufacturing gold rolled metal sheets or strips, and metal sheets or strips obtained
03/22/1995EP0644272A2 Process for producing tubes of copper or copper-alloy
03/22/1995CN1100474A Intermediate-frequency induction heating apparatus for switch tongue
03/15/1995CN1100146A Method of controlling treatment conditions of metal strips in a continuous furnace and control system for effecting same
03/15/1995CN1027908C Hard austenitic stainless steel screw and method for manufacturing same
03/15/1995CN1027907C Process for hardening cutting edges of saws, blades and punching dies
03/14/1995US5397188 Rolling member
03/09/1995WO1995006540A1 Interactive laser welding at elevated temperatures of superalloy articles
03/08/1995EP0641866A1 Alloy sheet for shadow mask and method for manufacturing thereof
03/08/1995EP0387361B1 Production method of stainless thin steel sheet having excellent surface luster and high corrosion resistance
03/08/1995CN1099806A Low-carbon alloy steel nail for nailingun cement and jet nail and making method
03/07/1995CA2046851C Apparatus and method of induction-hardening machine components with precise power output control
03/03/1995CA2105423A1 Method and apparatus for carrying out surface processes
03/02/1995WO1995005904A1 Rolling of metal strip
03/02/1995DE4328598A1 Rolling element
03/01/1995EP0640693A1 Paper knife and method of manufacturing
03/01/1995CN1099431A Alloy sheet and method for manufacturing thereof
02/1995
02/28/1995US5393575 Method for carrying out surface processes
02/28/1995CA2206714A1 Heat treatment by plasma electron heating and solid/gas jet cooling
02/28/1995CA2130413A1 Heat treatment by plasma electron heating and solid/gas jet cooling
02/28/1995CA1334572C Process for the production of tubular bodies
02/23/1995WO1995005487A1 Process and device for exchanging the atmosphere in a hood type annealing furnace
02/23/1995DE4422137C1 Method for the defined adjustment of the formability of a metal semi-finished product
02/22/1995CN2190115Y Continuous wire annealing apparatus
02/22/1995CN1099070A Long service life cylinder sleeve reinforcement method
02/22/1995CN1027701C Deoxidising agent for manufacture of steel with converters
02/21/1995US5391862 Induction heating system for a near net shaped gear blank
02/21/1995US5391034 Furnace with refractory longitudianl members and with central charging for heating and storing hot products
02/21/1995US5390900 Metal strip cooling system
02/21/1995US5390414 Gear making process
02/16/1995WO1995004628A1 Method of manufacture of a metal part resistent to fluid abrasion and metal part obtained
02/16/1995WO1995004615A1 Zone heating apparatus
02/16/1995DE4418245A1 Valve gear for an internal combustion engine
02/15/1995EP0638734A1 A flexible drive shaft and method of production thereof
02/15/1995EP0638653A1 Process for producing chromium-containing stainless steel strip with excellent toughness
02/15/1995EP0638147A1 Process for producing a component with at least one divided bearing surface for rolling elements.
02/14/1995US5388809 Method and apparatus for batch coil annealing metal strip
02/08/1995CN1098440A Production of grain-oriented magnetic steel plate with improved loss of remagnetization
02/01/1995CN2188590Y Plate spring vertical hardening apparatus controlled by computer
01/1995
01/26/1995WO1995002706A1 Method and plant for the manufacture of special steel blanks
01/26/1995WO1995002705A1 Warm forming high strength steel parts
01/26/1995DE4324836A1 Lightweight camshaft
01/24/1995US5384166 Method for controlling coating weight on a hot-dipped steel strip
01/24/1995US5383768 Steam turbine, rotor shaft thereof, and heat resisting steel
01/24/1995US5383651 Aluminum coil annealing tray support pad
01/18/1995CN1027456C Process and apparatus for thermal treatment of at least one metal wire by using heat-conducting plate
01/17/1995US5382802 Method of irradiating running strip with energy beams
01/17/1995US5382318 Hard austenitic stainless steel screw and a method for manufacturing the same
01/17/1995US5382307 Process for manufacturing high-strength bainitic steel rails with excellent rolling-contact fatigue resistance
01/17/1995US5382159 Heating furnace system and method for producing hot rolled workpieces
01/17/1995CA1333990C Continuous treatment of cold-rolled carbon high manganese steel
01/17/1995CA1333988C Ultra-rapid annealing of nonoriented electrical steel
01/11/1995EP0633439A1 Cooled rolls for handling products, especially metallurgical and siderurchical products
01/11/1995EP0633078A1 Method of fabricating a hollow steel body with an inner- and/or outer profiling
01/11/1995EP0632842A1 Heat treatment process for metal articles.
01/11/1995CN2187175Y Continuous plate spring formed quenching device
01/11/1995CN1027382C Manufacturing method for Fe-Mn-Al Alloy fine casting
01/10/1995US5380407 Corrosion resistance, plating with copper and zinc for steels
01/10/1995US5380378 Method and apparatus for batch coil annealing metal strip
01/10/1995CA2127343A1 Cooled rollers used in metallurgical products handling
01/05/1995WO1995000707A1 Rails
01/05/1995WO1995000286A1 Method of forming seamed metal tube
01/05/1995CA2165775A1 Rails with a low carbon martensite head
01/04/1995EP0632137A1 Process for the thermal pretreatment of metallic articles
01/03/1995US5378295 Iron-type material of specified composition and carbon equivalent annealed, shaped and then quenched
01/03/1995US5377959 Apparatus for improving service life of thermite rail welds
12/1994
12/28/1994EP0630978A1 Oxy-fuel flame impingement heating of metals
12/28/1994EP0630696A1 Method and device for careful cooling hot-rolled bars of special or stainless steel
12/28/1994EP0630417A1 High strength steel sway bars and method of making
12/28/1994EP0551333B1 Process for manufacturing a texturing roller
12/28/1994EP0551316B1 Process for manufacturing a texturing roller
12/27/1994US5376188 Method of nitriding austenitic stainless steel products