Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
03/1984
03/27/1984US4439212 Process and device for gaseous atmosphere separation in plants for heat treatment under atomosphere
03/21/1984EP0103348A1 UO steel pipe welding method
03/20/1984US4437910 Secondary recrystallization
03/20/1984US4437905 Process for continuously annealing a cold-rolled low carbon steel strip
03/20/1984US4437904 Method for improved heat treatment of elongated aluminum alloy materials
03/20/1984US4437903 Method for producing two-phase hot rolled steel sheet having high strength and low yield ratio
03/20/1984US4437902 Batch-annealed dual-phase steel
03/20/1984US4437901 Solutionizing, controlled cooling
03/13/1984US4436791 Cast cold rolling roll
03/13/1984US4436292 System for the treatment of a continuous metal web
03/13/1984CA1163539A1 Method for heat treatment of metal strips
03/07/1984EP0101740A1 Process for manufacturing cold-rolled steel having excellent press moldability
02/1984
02/28/1984CA1162826A1 Method for the manufacture of steel suitable for electric-welded tubular products having superior resistance to sour gas
02/22/1984EP0101164A2 Turbine blade repair
02/21/1984US4432812 Drive train gear of lower bainite alloy steel
02/21/1984CA1162515A1 Apparatus for surface treatment of a steel strip
02/15/1984EP0100638A2 Laser treatment of electrical steel
02/14/1984US4431466 Method for making armor plate
02/14/1984US4431408 Stackable distortion resistant furnace basket
02/14/1984US4431168 Apparatus for improved heat treatment of elongated aluminum alloy materials
02/07/1984US4430130 Edges, steels, heat treatment, stress relieving, hardening, cooling, tempering
02/07/1984US4430055 Semi-continuous vacuum heat-treating furnace, and its operation process
02/01/1984EP0099619A2 Method for producing cube-on-edge oriented silicon steel
02/01/1984EP0099520A2 Method and apparatus for thermomechanically rolling hot strip product to a controlled microstructure
02/01/1984EP0099383A1 Furnace for preheating elongate materials.
01/1984
01/31/1984US4428781 For anchoring off-shore oil drilling platforms
01/31/1984US4428728 Burners for soaking pit furnaces
01/31/1984US4428563 Apparatus for spot annealing tubing
01/25/1984EP0098999A1 Process for adjusting leaf-spring like parts
01/24/1984US4427463 Method of and device for controlling and cooling of a continuous rolled member, e.g. a wire
01/24/1984US4427460 Decarburizing low carbon steel
01/24/1984US4427396 Method of manufacturing a color selection electrode for a color display tube
01/24/1984US4427379 Heat treatment fixture
01/24/1984US4427374 Recirculation device
01/24/1984US4427371 Pusher furnace with soak zone lifter
01/24/1984CA1160870A1 Steel composition for chipper knives
01/18/1984EP0098492A2 Method for the production of railway rails by accelerated cooling in line with the production rolling mill
01/18/1984EP0098344A1 Heat-treatment system and process
01/17/1984US4426236 Method for manufacturing high strength rail of excellent weldability
01/17/1984CA1160480A1 Amorphous metal alloys having enhanced magnetic properties and method of making and using
01/04/1984EP0097252A1 Muffle for a furnace in which the charge is moved continually or by jerks
01/03/1984US4424023 Method and apparatus for temperature control in heating furnaces
01/03/1984US4423857 Spacer for batch coil annealing
01/03/1984US4423856 Controlled cooling apparatus for hot rolled wire rods
12/1983
12/27/1983US4422872 Method of heating, melting, and coal coversion and apparatus for the same
12/27/1983US4422623 Apparatus for cooling steel strips to effect continuous annealing
12/20/1983US4422174 Shaft furnace for heat treatment of materials
12/20/1983US4421575 Enhancing collapse strength
12/20/1983US4421573 Method for producing hot-rolled dual-phase high-tensile steel sheets
12/20/1983US4421481 Furnace for heating slabs, billets, rough castings and the like
12/20/1983US4421304 Apparatus for controlled temperature accumulator for elongated materials
12/13/1983US4420347 Rolling, descaling
12/07/1983EP0096010A2 Plant designed particularly for carrying out heat-treatment on crawler track-link
12/07/1983EP0095953A1 Method of heating coated strips for the transformation of a coating structure, especially at the production of galvanized sheets
12/06/1983US4419152 Process for direct heat treatment of track links for tractors or tracked vehicles
11/1983
11/29/1983US4418259 Method and apparatus of uniform induction heating of an elongated workpiece
11/29/1983US4418258 Method for heat treating metal
11/29/1983US4417928 Steels
11/29/1983US4417720 Continuous heat treatment plant for steel sheet
11/23/1983EP0094808A1 Method of box-annealing steel sheet to minimize annealing stickers
11/22/1983CA1157223A1 Apparatus for recovering the sensible heat of continuously cast slabs
11/16/1983EP0094371A2 Method of making tempered blades for impeller wheels
11/15/1983US4415382 Controlled frequenching between soaking and quenching
11/15/1983US4415381 Method for forcedly cooling a heated metal plate
11/15/1983US4415378 Carburized surface of untempered martensite and austenite
11/15/1983US4415145 Metal charge treatment apparatus
11/15/1983US4415143 Continuous hardening device of steel plate
11/09/1983EP0093349A2 Method of heating piping arrangement and heating coil
11/09/1983EP0093218A1 High strength steel screws and bolts, and method of production
11/08/1983US4414043 To methane and water
11/08/1983US4414042 Method of making high strength steel tube
11/02/1983EP0092815A2 A car stabilizer and a manufacturing method therefor
11/01/1983US4412815 Loading system for an annealing furnace charge and components therefor
10/1983
10/25/1983US4411617 Burners for soaking pit furnaces
10/13/1983WO1983003428A1 Improved supports of heating bodies intended to annealing furnaces
10/12/1983EP0091292A1 Ceramic coated rolls
10/11/1983US4408986 Method for thermal treatment of wire lashings and a continuous-heating furnace for performance of the method
10/11/1983US4408561 Dual-purpose plant for producing cold rolled steel sheet and hot-dip galvanized steel sheet
10/05/1983EP0090682A2 Heat treating method and apparatus for making rods of alloy steel ready for use
10/05/1983EP0090428A1 A highly buildup-resistant hearth roll for conveying a steel strip through a continuous annealing furnace and a method therefor
10/04/1983US4407683 Rapid heating and cooling
10/04/1983US4407680 Dual-phase steels
09/1983
09/29/1983WO1983003261A1 Friction surface portion within a combustion chamber of a piston combustion engine and production method thereof
09/28/1983EP0089398A1 Ceiling beam construction for heating furnace
09/27/1983US4406754 Method and probe for the rapid determination of sulfur level
09/27/1983US4406618 Method of operating continuous heat treatment furnace for metal strip coils
09/21/1983EP0089019A2 Method and apparatus for sequentially quenching steel pipes
09/21/1983EP0088995A1 Rotary hearth furnace
09/20/1983US4404830 Method and apparatus for pressing parts from round stock
09/14/1983EP0088746A1 Method of heat treating rails
09/13/1983US4404047 Process for the improved heat treatment of steels using direct electrical resistance heating
09/13/1983US4404043 Method of and an apparatus for continuous heat treatment of separated elongated metallic material
09/13/1983US4404041 Method of producing elongated large-size forged article
09/13/1983US4403954 Apparatus for heat-treating pipes
09/07/1983EP0087634A1 Centrifugally cast tube made from spheroidal graphite cast iron, and process for the manufacture thereof
09/06/1983US4402769 Method for improving the ductility of autogenous welds in unstabilized, ferritic stainless steel coils
09/06/1983CA1153202A1 Method of controlling strip temperatures
09/01/1983WO1983003007A1 Method and device for determining hydrogen flux
09/01/1983WO1983002957A1 Process for manufacturing cold-rolled steel having excellent press moldability
08/1983
08/31/1983EP0087345A1 Process and devices for minimizing the induced power in a flat conducting product suspended electromagnetically without contact