Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
11/1995
11/22/1995EP0682851A1 Apparatus for and method of induction-hardening machine components
11/22/1995EP0682770A1 Heating furnace system and method for producing hot rolled workpieces
11/22/1995EP0628089A4 Method for producing a cast aluminum vehicle wheel.
11/22/1995CN1030340C Method for connecting point components made of casting high-manganese steel or manganese steel rail with carbon steel rail
11/22/1995CN1030334C Apparatus for heating blank of spring
11/21/1995US5468308 Surface treated cast iron bearing element
11/21/1995US5467518 Method of and apparatus for continuously casting and rolling down thin slabs
11/15/1995EP0512113B1 Oxidation treatment apparatus for metal pipes
11/14/1995US5466208 Refractory oxide layer containing zirconium oxide, annealing steels
11/09/1995WO1995029786A1 Method of forming seamed metal tube
11/09/1995DE4416235A1 Energy conservation in the continuous production of centrifugally cast pipes
11/09/1995DE4416233A1 Annealing oven with emphasis on waste heat recovery
11/08/1995EP0680884A1 Seamless can with necked-in portion
11/02/1995WO1995029266A1 Method for mitigating residual stresses in welded metal components using high torch travel speeds
11/02/1995WO1995029036A1 Method and apparatus for joining metal components
11/02/1995EP0679725A1 Carburized hardening process and carburized hardened power transmission members
11/02/1995EP0679724A1 Threaded fixing device made of alloy steel with high fatigue resistance and process for manufacturing the same
11/02/1995EP0632842B1 Heat treatment process for metal articles
10/1995
10/31/1995US5462613 Controlling mechanical properties by analysis of melt samples, then adjusting concentration of elements which control critical properties
10/31/1995US5461770 Method and apparatus for continuous casting and hot-rolling
10/29/1995CA2147957A1 Seal arrangement for batch coil annealing furnace
10/26/1995WO1995028239A1 Bright-annealed highly smooth inner surface stainless steel pipe and method of manufacturing the same
10/26/1995DE4421093C1 Centering and compensation device for plug connection between two structural parts, e.g. in annealing furnace
10/24/1995US5460875 Hard austenitic stainless steel screw and a method for manufacturing the same
10/18/1995EP0677337A2 Heat shields for roller tables
10/17/1995US5459297 Method and apparatus for manufacturing a texture drum
10/17/1995US5458704 Process for the production of thick armour plates
10/11/1995EP0675782A1 Tool.
10/11/1995CN1109953A Flexible drive shaft and method of production thereof
10/10/1995US5456773 Heating in several preheating zones having temperature 800-850 degree centigrate in free-oxygen atmosphere, then high temperature zone in reduced atmosphere and run through this zone quickly, insignificant oxidation/ scaling, no warpping
10/10/1995US5456766 Exposing steel to atmosphere containing carbon monoxide, hydrogen, ammonia in specified amounts for specified time at specified temperature
10/04/1995EP0675208A1 A vertical bright annealing furnace for continuous heat treatment of metal strips
10/04/1995EP0675207A1 Continuous annealing apparatus of steel strip and tension control system for the same
10/04/1995EP0674954A1 Hot rolling device for steel strips
10/04/1995EP0674800A1 Manufacture of zirconium cladding tube with internal liner.
10/04/1995EP0674720A1 Cold formed high-strength steel parts
10/03/1995US5454888 Warm forming high-strength steel structural members
10/03/1995US5454887 Process for manufacturing a medium-carbon steel plate with improved formability and weldability
09/1995
09/28/1995WO1995025820A1 Process for producing magnetic steel sheets with a glass coating
09/28/1995DE4409691A1 Verfahren zur Herstellung von Elektroblechen mit einem Glasüberzug A process for producing electric sheets with a glass coating
09/27/1995EP0673443A1 Method of annealing steel strip in an annealing furnace without the formation of soot.
09/27/1995EP0617879B1 Induction furnace
09/27/1995EP0554257B1 High-strength steel parts and method of making
09/26/1995US5453139 Carbon manganese steel with metals, cold forming, forging or extrusion for shafts, shanks, rolls and castings
09/26/1995US5452882 Apparatus for quenching metallic ring-shaped workpieces
09/21/1995WO1995025420A1 Apparatus for treating metal surfaces with a magnetically impelled arc
09/21/1995WO1995025182A1 Process and device for influencing the changes in size and shape of workpieces during hardening
09/21/1995WO1995024983A1 Razor blade manufacture
09/21/1995DE4408924A1 Verfahren und Vorrichtung zum Beeinflussen von Maß- und Formänderungen beim Härten von Werkstücken Method and apparatus for influencing dimensions and shape changes during hardening of workpieces
09/21/1995CA2185118A1 Razor blade manufacture
09/21/1995CA2184281A1 Apparatus for treating metal surfaces with a magnetically impelled arc
09/20/1995EP0672481A1 Method and device for the heat treatment of spring mattress cores
09/20/1995EP0671982A1 Zone heating apparatus
09/20/1995CN1108699A Heat treatment for steel spring-strip
09/20/1995CN1029791C Cold hardening technology for water-hole internal wall of harmmer-drill rod
09/19/1995US5451275 Apparatus and method for precision gear finishing by controlled deformation
09/14/1995WO1995024509A1 Method for heat treatment of steel, and products of steel
09/13/1995EP0671476A1 Heat treatment plant
09/13/1995CN1108308A Device for monitoring the breakage of steel strip
09/12/1995US5449422 Annealing aluminum strips wound into a coil
09/12/1995CA2085635C Thin wall pipe for abrasive materials flowing under high pressure and method of fabricating the pipe
09/07/1995DE4427963C1 Method for producing mosaic containers and other castings, and insulating hood for implementation of the method
09/06/1995EP0670375A1 Method of hardening of metal valves, in particular intake valves for internal combustion engines
09/06/1995EP0578696B1 Process for remelting metal surfaces by laser
09/06/1995CN1108031A Sheet steel excellent in flanging capability and process for producing the same
09/06/1995CN1107764A Continuous annealing apparatus of steel strip and tension control system for the same
09/06/1995CN1107759A Apparatus for cold rolling belt
09/05/1995US5448039 Billet induction heating device providing fast heating changeover for different size billets
09/05/1995US5447583 Extrusion quenching apparatus and related method
09/05/1995US5447293 Method and apparatus for quenching heat treated objects
08/1995
08/31/1995DE19501391A1 Kontinuierlich veränderliches Toroidgetriebe A continuously variable toroidal transmission
08/30/1995EP0669405A2 Heat resisting steel
08/30/1995EP0592482B1 Intermediate storage oven downstream of a thin slab casting plant
08/29/1995US5446258 Process for remelting metal surfaces using a laser
08/24/1995DE19505955A1 High strength and high ductility non-rusting steel strip
08/22/1995US5443383 Pusher type furnace for heat-treating charges
08/16/1995EP0667731A2 Selectively adjustable transverse flux heating apparatus
08/16/1995EP0667175A2 Method for treating edges of skis etc.
08/16/1995CN2205390Y Gap adjustable low temperature heat treating furnace
08/15/1995US5441242 Apparatus for contacting surfaces of workpieces with a flowing gas
08/15/1995US5440889 Method of and arrangement for cooling of hot rolled sections in particular rails
08/09/1995EP0435968B1 Process for manufacturing coil-break-free hot strip and age-resistant hot-galvanized cold strip
08/08/1995US5439300 Including inner race of steel with specified carbon content which has been carburized or carbonitrided, having different carbon content in surface layer and core
08/08/1995US5439045 Method of heat treating metal castings, removing cores, and incinerating waste gasses
08/02/1995EP0665296A1 Process and plant for manufacturing hot-rolled strip steel
08/01/1995US5438179 Method and apparatus for manufacturing texture drums
08/01/1995US5437089 Method and apparatus for continuous production hot-rolled strips
07/1995
07/27/1995WO1995020058A1 Device for cooling the charge protection lid of annealing furnaces
07/27/1995WO1995019860A1 Heat treating and removing cores from castings
07/27/1995WO1995015928A3 Coating system for glass adhesion retention
07/27/1995DE4401699A1 Appts. for tube hardening
07/26/1995CN2203978Y Roller surface treatment machine with laser
07/25/1995US5435686 Bearing race hardening line
07/25/1995US5435378 Apparatus for accurately heating and cooling articles
07/25/1995US5435162 Zone heating apparatus
07/20/1995WO1995019636A1 Method of manufacturing a shadow mask of the nickel-iron type
07/19/1995EP0663451A1 Method and device for quenching, particularly for steel tubes or similar
07/19/1995CN1105395A High-earthquake-resistant building structural steel and productive technique thereof
07/18/1995US5433801 Razor blade steel having high corrosion resistance, razor blades and a process for manufacturing razor blades
07/18/1995US5433800 Scanning induction hardening