Patents
Sitemap › C21 - Metallurgy of iron › C21D - Modifying the physical structure of ferrous metals; General devices for heat treatment of ferrous or non-ferrous metals or alloys; Making metal malleable by decarburisation, tempering, or other treatments › C21D 11 - Process control or regulation for heat treatments
Patents for C21D 11 - Process control or regulation for heat treatments (3,719)
11/1994
11/22/1994CA2030454C Strip elongation control in continuous annealing furnaces
11/22/1994CA2030453C Strip elongation control in continuous annealing furnaces
11/10/1994DE4405027A1 Method and apparatus for applying a temperature profile to metal billets intended for extrusion
11/01/1994CA2035784C Controlling heat treating furnaces
10/1994
10/12/1994EP0484359B1 Process and devices for controlling processes for heat treatment of metals in function of the material
09/1994
09/28/1994EP0556176B1 A control system for scheduling parts in a heat-treating process
09/22/1994DE4309012A1 Method for the hot-setting of helical springs
09/07/1994EP0613931A2 Bake hardenable steel coated with a water based chromium bearing organic resin
09/01/1994WO1994019124A1 Process and device for applying a temperature profile to metal blocks to be extruded
08/1994
08/23/1994US5341303 Method of developing complex tool shapes
08/23/1994US5340418 Using electronic infrared heating
08/10/1994EP0609556A2 Method for producing low carbon-equivalent rolled steel shapes by controlled rolling
08/10/1994CN1090603A Automatic quenching machine for vehicle spring steel plate
08/09/1994US5336344 Solution heat treating and aging using a high intensity electric heating system
06/1994
06/23/1994WO1994013843A1 Method of annealing steel strip in an annealing furnace without the formation of soot
05/1994
05/24/1994US5314248 Laser device for simultaneous industrial processing and monitoring of temperature
04/1994
04/26/1994US5306365 Reduces air entrapment in billet
04/26/1994US5306359 Method and apparatus for heat treating
03/1994
03/03/1994WO1994004708A1 Process and device for regulating the calorific output in a continuous annealing and processing line for continuously cast metal products
02/1994
02/24/1994DE4227812A1 Verfahren und Vorrichtung zur Regelung der Heizleistung in einer Durchlauf-Glühanlage für metallisches Stranggut Method and apparatus for controlling heating output in a continuous annealing line for cast metal products
11/1993
11/30/1993US5266129 Process for production of oriented electrical steel sheet having excellent magnetic properties
10/1993
10/27/1993EP0328603B1 Control of straightness in scanning induction hardening of steel
10/13/1993EP0410969A4 Improvements in scanning induction hardening
09/1993
09/29/1993EP0562492A1 A laser device, particularly a laser robot, with a focusing head having sensor means for monitoring the quality of a process in an automated production system
09/22/1993EP0561667A1 Process for heat treating metallic strip
09/15/1993CN2142115Y Surface chemical heat treatment apparatus controlled by micro-computer
09/08/1993CN1075985A Heat treatment method and apparatus for rail
09/02/1993WO1993017145A1 Method for producing a cast aluminum vehicle wheel
09/02/1993CA2131194A1 Method for producing a cast aluminum vehicle wheel
08/1993
08/25/1993CN2140904Y Controller of self-feeding heating device
07/1993
07/27/1993US5231645 Method of controlling continuous carburization furnace
06/1993
06/15/1993US5219109 Level control method for spliced strip materials having different unit weights
06/09/1993EP0545768A1 Method and apparatus for the automatic control of continuous annealing furnaces heated by radiant tubes
06/08/1993CA1318839C Thermal treatment process under nitrogen and hydrocarbon-based gaseous atmosphere
06/01/1993US5215603 Measuring the grain diameter, calibration and controlling the diameter for stabilizing the product magnetic flux at high density
05/1993
05/19/1993CN1020754C Flattening method for bending workpiece in scanning induction hardening
05/12/1993EP0541353A1 Method and apparatus for heat treating of aluminium or an aluminium alloy
04/1993
04/28/1993EP0538575A1 Method for cooling a charge of workpieces during a heat treatment process
04/07/1993CN1020238C Method of straightening crooked workpiece in scanning induction hardening
03/1993
03/31/1993EP0534432A2 Process for production of oriented electrical steel sheet having excellent magnetic properties
03/09/1993CA1314142C Method for bringing a plurality of steel slabs to rolling temperature in a furnace
02/1993
02/17/1993EP0527570A1 Method of developing complex tool shapes
02/16/1993US5187670 Control system for scheduling parts in a heat-treating process
12/1992
12/29/1992US5174835 Passing steel strip around first and second driven rolls, strip undergoes frictional contact, measuring peripheral speed of rolls to detect elongation, adjusting the speed of rolls to control elongation
12/10/1992DE4218153A1 Precision heating appts. with removable hot plate - used e.g. for soldering or adhesive bonding of articles, has structure which contains heating elements and coolant passages
10/1992
10/20/1992US5156683 Apparatus for magnetic induction edge heaters with frequency modulation
09/1992
09/08/1992US5145533 Controlling grain growth by increasing or decreasing nitrogen absorption before final annealing
05/1992
05/27/1992EP0487274A2 Strip elongation control in continuous annealing furnaces
05/14/1992WO1992008180A1 A control system for scheduling parts in a heat-treating process
05/13/1992EP0484359A1 Process and devices for controlling processes for heat treatment of metals in function of the material.
05/12/1992US5112412 Cooling of cast billets
04/1992
04/15/1992CN2101681U Micro computer control energy-saving temp. controlling cabinet with double loop
04/14/1992US5104462 Scanning induction hardening process by using radially moving induction coil
03/1992
03/10/1992US5094702 Menu driven heat treatment control of thin walled bodies
01/1992
01/09/1992WO1992000394A1 Methods of monitoring precipitates in metallic materials
11/1991
11/14/1991DE4014761A1 Hardening workpieces - using computer to determine optimum heating and material transformation condition and quenching speed via expected movement of carbon
10/1991
10/30/1991EP0453566A1 Steel material cooling control method
10/09/1991EP0451075A1 Device for induction heating of metal workpieces
10/08/1991US5055144 Annealing amorphous alloy, transforming to different resistivity
10/01/1991US5052661 Controlling heat treating furnaces
09/1991
09/18/1991EP0446425A1 Method and device for controlling and regulating the deformation behaviour of workpieces during their thermal treatment
09/03/1991US5044938 Method of controlling temperature of a joining area between two different strip materials in a continuous strip processing line
08/1991
08/21/1991EP0442382A2 Controlling heat treating furnaces
08/07/1991EP0440009A2 Device and method for the modulated cooling of a moving cylindrical object
07/1991
07/23/1991US5033720 Apparatus for determining metal properties
07/03/1991CN1052698A Expert system application in soaking furnace steel-smelting control
05/1991
05/29/1991EP0429394A1 Cooling of cast strand
05/24/1991CA2030261A1 Cooling of cast billets
05/23/1991DE4010309C1 Maintenance of annealing temp. even after stoppage - involves measuring speed of wire and tacho:generator output voltage to produce control signal for thyristor
05/15/1991CN1012623B Process for heat-treatment workpieces and the heat-treatment equipment for the process
04/1991
04/09/1991US5006061 Method for bringing a plurality of steel slabs to rolling temperature in a furnace
03/1991
03/19/1991CA1281794C Method of cooling hot-rolled steel plate
03/07/1991DE3929829A1 Heat treatment cooling for cylindrical steel parts and containers - has part in continuous variable speed rotation sprayed with water at varying rate to maintain precise temp. gradient
02/1991
02/21/1991WO1991002096A1 Process and devices for controlling processes for heat treatment of metals in function of the material
02/12/1991US4992113 Process for heat treatment under a gaseous atmosphere containing nitrogen and hydrocarbon
02/06/1991EP0410969A1 Improvements in scanning induction hardening
01/1991
01/31/1991DE3925047A1 Verfahren zur werkstoffabhaengigen steuerung von waermebehandlungsprozessen von metallen und vorrichtung zur durchfuehrung des verfahrens Method for control of werkstoffabhaengigen waermebehandlungsprozessen metal and apparatus for performing the method
12/1990
12/27/1990WO1990015885A1 Steel material cooling control method
12/27/1990EP0404314A1 Monitoring and control of reactor vessel heat treatment
12/27/1990EP0404309A2 Heat treatment control
10/1990
10/03/1990EP0390140A1 Process for producing grain-oriented electrical steel sheet having excellent magnetic characteristic
09/1990
09/19/1990CN1045421A Improvements in scanning induction hardening
09/04/1990US4953832 Apparatus for the controlled cooling of hot rolled steel samples
08/1990
08/23/1990WO1990009458A1 Improvements in scanning induction hardening
08/21/1990US4950338 Prevention of dimensional distortiion
07/1990
07/18/1990EP0378131A2 A method of manufacturing a grain-oriented electrical steel strip
07/18/1990CN1043958A Improvement in automatic apparatus of heat treatment
07/12/1990WO1990007583A1 Automated thermal processing installation
07/04/1990EP0376832A1 Automatic thermal treatment installations
06/1990
06/27/1990CA2004761A1 Automatic thermal processing facilities
06/13/1990CN1042945A Improvements in scanning induction hardening
06/05/1990EP0328603A4 Control of straightness in scanning induction hardening of steel.
05/1990
05/15/1990US4925089 Environmental response control apparatus and method
05/08/1990US4923529 Equipment for continuous heat treatment of tungsten filaments wound on molybdenum cores
04/1990
04/03/1990US4913747 Method of and apparatus for heat-treating rails
03/1990
03/07/1990CN2054039U Programmable heat treating facility
03/06/1990US4907177 Computerized multi-zone crystal growth furnace precise temperature and heating control method
02/1990
02/06/1990CA1265419A1 Heat treatment with an autoregulating heater
09/1989
09/27/1989EP0334803A1 Process for cooling hollow products
09/27/1989EP0334200A1 Process for heating elongated stock
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