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 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering
Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
12/1982
12/28/1982CA1138195A1 Method of and an apparatus for soaking steel pieces
12/15/1982EP0066986A1 Insulation for a furnace member
12/14/1982US4363946 Inductor for inductively heating raceways of antifriction bearing rings
12/14/1982US4363677 Followed by forming insulating film
12/14/1982US4363472 Steel strip continuous annealing apparatus
12/14/1982CA1137337A1 Tough, high-strength steels, articles made therefrom and process for their production
12/07/1982US4362580 Heat treatment of metals scavengers, platinum group metals, oxygen ion-conductive electrolyte
12/01/1982EP0065698A2 Heating method and apparatus
12/01/1982EP0065678A1 Process and apparatus for heat treating sections of ferrous workpieces
12/01/1982EP0065577A1 Continuous steel plate quenching apparatus
11/1982
11/30/1982US4360956 Piston having at least one piston ring groove
11/30/1982CA1136526A1 Heat treatment process and apparatus
11/23/1982US4360189 Quench press
11/23/1982CA1136073A1 Interlocking, truncated triangular insulator
11/16/1982US4359351 Injecting nitrogen and methanol to prevent removal of surface carbon or for recarburization
11/10/1982EP0064367A2 Method for inductively heating valve seat inserts
11/09/1982US4358544 Single phase glass compositions for use in protective and lubricating coatings for the heat treatment and hot working of metals
11/09/1982US4358267 Device for guiding band material and applications thereof
11/09/1982CA1135053A1 Oil-tempering apparatus for pipes
11/02/1982US4356717 Method and apparatus for forge-shaping sheet members
10/1982
10/19/1982US4355221 Method of field annealing an amorphous metal core by means of induction heating
10/19/1982US4354883 Method for improving the residual stress in austenitic stainless steel pipes and the like by induction heating
10/19/1982US4354827 Process and device for improving heat exchange in furnaces heated by radiant heaters
10/13/1982EP0062517A1 Heat treatment of workpiece by laser
10/13/1982EP0062513A1 A method of providing an anti-stick coating on non-oriented, semi-processed electrical steels to be subjected to a quality anneal
10/12/1982US4353756 To give hardness, toughness, machinability and wear resistance
10/12/1982US4353737 Annealing, embrittlement, comminution
10/12/1982US4353531 Process and installation for the handling and heat treatment of cast iron or steel pipes and tubes
10/12/1982CA1133287A1 Lower bainite alloy steel article and method of making same
10/12/1982CA1133286A1 Steel having excellent vibration attenuation performance and method of manufacturing the same
09/1982
09/28/1982US4351386 Internally cooled roller body construction
09/22/1982EP0060257A1 Method for surface hardening cams.
09/14/1982US4349724 Articulate radiant heater module
09/14/1982CA1131437A1 Process for producing ni-fe magnetic tape cores
09/08/1982EP0059675A1 Apparatus for rapidly cooling metallic pipes
09/02/1982WO1982002905A1 Fused salt bath composition
09/02/1982WO1982002902A1 Process for manufacturing high-tensile,hot-rolled steel strip having a low yield ratio due to its mixed structure
08/1982
08/31/1982US4347085 Insulative coatings for electrical steels
08/31/1982CA1130617A1 Silicon alloyed steel
08/18/1982EP0057983A2 Method for producing coated grain oriented silicon steel
08/17/1982US4344801 Heavy thick high-strength casting having improved weldability and impact properties
08/17/1982US4344308 Method for cold rolling and cleaning steel plates
08/17/1982CA1129644A1 Direct heating of heat treat furnace chamber
08/17/1982CA1129643A1 Method and apparatus for cooling sheet steel by water spraying
08/11/1982EP0057385A2 Method for the direct electrical resistance heating of metal workpieces
08/10/1982US4343661 Method of making a low temperature bainite steel alloy gear
08/03/1982CA1128841A1 Method for manufacturing high-strength cold-rolled steel strip excellent in press-formability
07/1982
07/21/1982EP0056074A1 Method for the heat-treatment of composite materials
07/20/1982US4340433 Fluidized bed of refractory particles
07/07/1982EP0055463A2 Heating device
07/06/1982US4338077 Method for controlling temperature of multi-zone heating furnace
06/1982
06/29/1982US4336924 Apparatus for quenching heated workpieces
06/22/1982US4336432 Induction hardening of valve seat inserts
06/22/1982US4336412 Heat treatment furnace
06/22/1982US4336081 Induction heating
06/22/1982US4336080 Method for manufacturing high-strength cold-rolled steel strip excellent in press-formability
06/22/1982CA1126056A1 Copper-nickel-silicon-chromium alloy having improved electrical conductivity
06/16/1982EP0053913A1 Method for producing high-strength deep-drawable dual-phase steel sheets
06/15/1982US4334938 Inhibited annealing of ferrous metals containing chromium
06/15/1982US4334505 Cooling metal slabs and other metal products
06/10/1982WO1982001894A1 Continuous steel plate quenching apparatus
06/09/1982EP0053507A1 Production of a nickel-steel bar and rod
06/08/1982US4333777 Method and apparatus for compensating for local temperature difference of steel product
06/08/1982CA1125150A1 High strength steel profile and method of making the same
06/08/1982CA1125011A1 Inert carrier gas heat treating control process
06/08/1982CA1125010A1 Continuous heat treating vacuum furnace
05/1982
05/26/1982EP0052308A1 Method of making high-strength steel forgings
05/26/1982EP0052113A1 Method of heating, hilding or heat treatment of metal material
05/25/1982US4331196 Process for producing non-directional electrical steel sheets free from ridging
05/18/1982US4330263 Method of controlling a reheat furnace to control skid mark effects
05/18/1982US4330112 Apparatus for cooling a steel strip in a continuous annealing line
05/18/1982US4330111 Multi-purpose in-line direct heat treating equipment for hot rolled steel wire rod
05/18/1982CA1123719A1 Method of improving surface characteristic of heat-treated metal
05/18/1982CA1123718A1 Method for producing a dual-phase, ferrite-martensite steel sheet
05/11/1982US4329188 Method for cooling metal articles
05/11/1982CA1123190A1 Device for cooling long items of material which have been heated
05/04/1982CA1122887A1 Method and apparatus for annealing steel
05/04/1982CA1122886A1 Silicon steel and processing therefore
05/04/1982CA1122772A1 Cooling of ingots or castings
04/1982
04/27/1982US4326699 Oil-tempering apparatus for pipes
04/20/1982US4326116 Apparatus for electric resistance heating and cooling tubular workpieces
04/20/1982US4325758 Homogenizing, isothermal annealing, machining
04/20/1982US4325693 Device for heating open melting baths
04/15/1982WO1982001194A1 Method and installation for tempering steel parts into a bath,particularly an oil bath
04/15/1982WO1982001193A1 Method for determining the tempering effect of a tempering agent,particularly in steel tempering
04/14/1982EP0049532A1 Process for the carbonization and heat-treatment of steels in a non-carbon-affecting atmosphere
04/14/1982EP0049488A1 Method of and apparatus for decarburizing or neutrally annealing metal workpieces
04/14/1982EP0049340A1 Method of determining the cooling power of a quenching medium, especially when quenching steel
04/14/1982EP0049339A1 Method of, and apparatus for, quenching steel workpieces in a liquid bath, especially in an oil bath
04/07/1982EP0049004A1 Process for making rails, and rails so produced
04/06/1982US4323404 Method for providing single piece with plural different mechanical characteristics
04/06/1982US4323401 Bearing having an array of microasperities
04/06/1982CA1121470A1 Hardening of metals using electric currents
04/01/1982WO1982001016A1 Method and apparatus for surface hardening cams
03/1982
03/30/1982US4322255 Controlling the feeding of nitrogen, carbon monoxide and lower aliphatic hydrocarbon; monitoring the discharge; homogeneous carbo-nitriding
03/24/1982EP0047755A1 Arrangement for cooling metal workpieces
03/23/1982US4321097 Blade fabricating process
03/23/1982CA1120346A1 Method for preventing decarburization of steel materials
03/10/1982EP0047067A1 Method for removing carbonaceous deposits from heat treating furnace
03/09/1982US4318534 Plate quench
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