Patents for C21D 11 - Process control or regulation for heat treatments (3,719)
09/1989
09/19/1989CA1259552A1 Method of and apparatus for heat-treating rails
08/1989
08/23/1989EP0328603A1 Control of straightness in scanning induction hardening of steel
07/1989
07/26/1989CN1004881B Process and apparatus for heat treatment of rail
07/12/1989CN1033842A Method for bringing a plurality of steel slabs to rolling temperature in a furnace
07/04/1989US4844427 Quenching apparatus
05/1989
05/31/1989EP0318077A1 Method for bringing a plurality of steel slabs to rolling temperature in a furnace
05/24/1989EP0317407A1 Process for thermal treatment in a gas atmosphere based on nitrogen and hydrocarbon
02/1989
02/23/1989WO1989001529A1 Control of straightness in scanning induction hardening of steel
02/23/1989DE3726802A1 Method of heat treatment of metal workpieces as well as device for implementing the method
12/1988
12/15/1988DE3718270A1 Method and device for heating charge in an industrial heating furnace
11/1988
11/22/1988US4785646 Method of cooling hot-rolled steel plate
10/1988
10/05/1988CN87107567A System for controlling temperature of running-conducter heating apparatus
09/1988
09/29/1988DE3709349A1 Process for tempering components
07/1988
07/26/1988CA1239570A1 Method of controlling the temperature of steel strip in the cooling zone of a continuous annealing furnace
05/1988
05/26/1988DE3638725A1 Method for the heat treatment of metallic stock, in particular metal strips
04/1988
04/12/1988CA1234977A1 Cooling apparatus for metal strip
02/1988
02/16/1988US4725321 Method for cooling a steel strip in a continuous annealing furnace
01/1988
01/20/1988EP0253176A2 Method for heat treating steel work pieces
12/1987
12/01/1987US4709570 Method for setting steel stock discharge temperature of heating furnace in hot rolling line
11/1987
11/10/1987CA1229145A1 Method of controlling cooling of hot-rolled steel sheet and system therefor
08/1987
08/18/1987CA1225522A1 Annealing process
07/1987
07/15/1987CN86100097A Laser heat treatment process for high-speed diesel engine cylinder hole
07/08/1987EP0228284A2 Method of cooling hot-rolled steel plate
06/1987
06/23/1987US4675057 Method of heat treating using eddy current temperature determination
06/09/1987CA1222623A1 Apparatus for quenching butt-welded portion of rail
04/1987
04/14/1987US4657507 Heating control method of heat furnace
03/1987
03/10/1987US4648916 Method of controlling cooling of hot-rolled steel sheet and system therefor
01/1987
01/27/1987US4638851 Cooling apparatus for metal strip
11/1986
11/18/1986US4623401 Heat treatment with an autoregulating heater
10/1986
10/08/1986CN85102651A Process for heat-treating workpieces, and its heat-treatment equipment for the process
09/1986
09/03/1986EP0192933A2 Process for heat treating, especially of metallic work pieces, and apparatus therefor
09/02/1986US4609343 Temperature distribution regulating sample holder-adapter for forming conditions for gradient heat treatment in heat treatment ovens or furnaces
08/1986
08/19/1986US4606529 Furnace controls
08/05/1986US4603730 For heating a sample in outer space
07/1986
07/09/1986CN85109735A Process and apparatus for heat treatment of rail
07/02/1986EP0186373A2 Method of and apparatus for heat treating rails
06/1986
06/24/1986US4596615 Method of cooling hot steel plates
06/17/1986US4595427 Using slave furnace with controller which follows temperature of annealing furnace
04/1986
04/23/1986EP0178378A2 Method of controlling cooling of hot-rolled steel sheet and system therefor
03/1986
03/18/1986US4577278 Method and system for controlling a selected zone in a fuel fired furnace
03/04/1986US4573666 Apparatus for quenching butt-welded portion of rail
02/1986
02/18/1986CA1200902A1 Process for regulating the absorption or discharge of energy, as well as implementation of the process
02/11/1986CA1200474A1 Method of controlled cooling for steel strip
01/1986
01/08/1986CN85200536U One-layered water bath processing device for wire
10/1985
10/30/1985EP0159806A2 Apparatus for cooling strip of metals
10/02/1985EP0156545A2 Heat treatment with an autoregulating heater
10/02/1985EP0156147A1 Method and device for annealing metal work pieces
10/01/1985US4543891 Apparatus for batch-annealing a charge
09/1985
09/12/1985WO1985004069A1 Heat treatment with an autoregulating heater
09/04/1985EP0153688A1 Method of cooling hot steel plates
07/1985
07/02/1985US4525917 Process for preparing rimming or semi-killed steel ingots for rolling into slabs
06/1985
06/25/1985CA1189427A1 Method for postweld heat treatment
06/19/1985EP0145485A2 Method of controlling the temperature of steel strip in the cooling zone of a continuous annealing furnace
06/19/1985EP0144694A2 Method of making semi-finished products consisting of stainless austenitic or martensitic steel
06/18/1985US4523748 Very high pressure apparatus for quenching
05/1985
05/07/1985US4515559 Heat treatment method and apparatus
04/1985
04/10/1985EP0136810A2 Temperature control during annealing
02/1985
02/26/1985US4501552 Method for controlling furnace temperature
11/1984
11/06/1984US4480992 Method of heating a furnace
10/1984
10/09/1984US4475963 Method for postweld heat treatment
07/1984
07/10/1984CA1170767A1 Method of controlling a reheat furnace to control skid mark effects
05/1984
05/02/1984EP0107237A1 Method for the automatic control of the structure of rolled steel products
04/1984
04/03/1984US4440583 Method of controlled cooling for steel strip
02/1984
02/21/1984US4432657 Pyrometer method for measuring slab temperature in a reheat furnace
02/01/1984EP0099417A1 Method to control energy supply or consumption
01/1984
01/24/1984US4427463 Method of and device for controlling and cooling of a continuous rolled member, e.g. a wire
01/03/1984US4424023 Method and apparatus for temperature control in heating furnaces
10/1983
10/04/1983US4407682 Determination of variations in metallography with heating or cooling
09/1983
09/06/1983CA1153202A1 Method of controlling strip temperatures
08/1983
08/24/1983EP0086265A1 Method of controlled cooling for steel strip
06/1983
06/08/1983EP0080932A1 Method and device for the controlled cooling of sheets
03/1983
03/01/1983US4375283 Method of controlling tensions in continuous annealing furnace and system therefor
02/1983
02/15/1983US4373364 Method of controlling the temperature of a heating furnace
02/15/1983CA1141153A1 Method and apparatus for local temperature difference of steel product
02/01/1983US4371332 Method of controlling the tension of a strip within furnace
01/1983
01/11/1983US4368034 Heating control method for continuously heating furnace
01/05/1983EP0068224A1 Cooling method
12/1982
12/22/1982EP0067759A1 Apparatus for treating metallic flat products first heated non-homogeneously in an oven and then undergoing a hot-rolling process in order to erase black marks
11/1982
11/30/1982CA1136526A1 Heat treatment process and apparatus
11/23/1982CA1135957A1 Furnace temperature control
11/09/1982US4358093 Steel strip continuous annealing furnace
10/1982
10/13/1982EP0062317A1 Method of plastic working of metal materials
07/1982
07/06/1982US4338077 Method for controlling temperature of multi-zone heating furnace
06/1982
06/29/1982CA1126506A1 Method of controlling steel strip temperature in continuous heating equipment
06/08/1982US4333777 Method and apparatus for compensating for local temperature difference of steel product
05/1982
05/18/1982US4330263 Method of controlling a reheat furnace to control skid mark effects
02/1982
02/23/1982US4316717 Method of controlling strip temperatures
02/09/1982CA1118074A1 Method of controlling a heating furnace for steel ingots
09/1981
09/23/1981EP0036035A2 Method and apparatus for controlling tensions in a continuous steelstrip annealing furnace
08/1981
08/19/1981EP0034057A2 Method for postweld heat treatment
07/1981
07/01/1981EP0031013A1 Steel strip continuous annealing furnace
04/1981
04/01/1981EP0026032A1 Heat treatment process and apparatus
03/1981
03/24/1981US4257767 Furnace temperature control
01/1981
01/07/1981EP0021208A1 System for monitoring the constitution of the atmosphere of a heat-treating furnace
12/1980
12/16/1980US4239483 Method of controlling steel strip temperature in continuous heating equipment
12/11/1980WO1980002698A1 Control of the composition of the atmosphere of a heat treatment oven
12/02/1980US4237369 Wild stress relief power supply apparatus
11/1980
11/12/1980EP0018379A1 Process for putting into operation a furnace with movable supports
10/1980
10/21/1980US4229236 Stress relieving
10/07/1980US4227245 Digital computer monitored system or process which is configured with the aid of an improved automatic programming system
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