C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor

Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
12/1994
12/27/1994	CA1333667C Steel foil for drawing container with organic film coat
12/24/1994	CA2126057A1 Oxy-fuel flame impingement heating of metals
12/22/1994	WO1994029042A1 Interconnecting unit between at least one line for hot processing of steel flat products such as thin slabs or strips and a finishing rolling mill downstream
12/20/1994	US5374319 Repairing cracks in gas turbine engines; ductility
12/20/1994	US5373893 Method and apparatus for cooling thermally massive parts in a continuous furnace
12/14/1994	EP0628641A1 Constrained hardening apparatus and heat treatment apparatus
12/14/1994	EP0628374A1 Process for the intermediate cast welding of isothermical annealed rails
12/14/1994	EP0628089A1 Method for producing a cast aluminum vehicle wheel
12/14/1994	EP0628087A1 Method for continuous recrystallization annealing of a steel strip
12/14/1994	EP0627965A1 Process and apparatus for applying and removing liquid coolant to control temperature of continuously moving metal strip
12/14/1994	EP0483182B1 Process for hardening the cutting edges of saws, knives and cutting tools
12/14/1994	CN2185268Y Efficient naked fire heat treating furnace for wire
12/14/1994	CN1026996C Chilling method for metal needle cloth
12/13/1994	CA2045442C Cooling system for cooling a moving metal strip
12/12/1994	CA2125507A1 Method for raising welded rail connections lying below the traveling surface on railroad tracks
12/08/1994	WO1994028188A1 High-carbon steel wire or steel therefor excellent in workability in wire drawing and process for producing the same
12/07/1994	EP0552272B1 Gear wheels rolled from powder metal blanks
12/06/1994	US5370172 Safety device for mobile modules which inductively heat or reheat metallurgical products
12/01/1994	DE4419035A1 Wälzlager Rolling bearings
12/01/1994	DE4318931C1 Method for the production of welded tubes
12/01/1994	DE4318039A1 Reel, especially a revolving basket reel, for holding rolled products of small and medium dimensions
11/1994
11/30/1994	EP0626468A1 Process for carbonitriding steel
11/30/1994	EP0626059A1 Intermetallic alloys for use in the processing of steel
11/30/1994	CN1026819C Method and apparatus for heat transmitting between blocks casted by continous casting machine and blocks which have been worked
11/29/1994	US5368656 Microstructure of iron carbides and vanadium and niobium carbonitrides, hardness, toughness
11/29/1994	CA1333250C Processes and devices for obtaining an homogeneous austenite structure
11/29/1994	CA1333249C Processes and devices used for thermal treating of carbon steel wires to obtain a fine perlitic structure
11/24/1994	WO1994026997A1 Sheet metal covering strips
11/24/1994	WO1994026940A1 Thermal treatment device for metallic workpieces
11/24/1994	DE4317091A1 Method of increasing the strength of a crankshaft
11/24/1994	DE4316753A1 Central chain conveyor with two-part scrapers, especially central double chain conveyor
11/23/1994	EP0625586A1 Structural member and process for producing the same
11/23/1994	EP0625383A1 Line to produce strip and/or sheet
11/23/1994	EP0625215A1 A device and a method for tempering steel tubes.
11/23/1994	CN2183371Y Follow-up quenching device for steel rail end
11/23/1994	CN1095421A Manufacture of bainite steel rail with high strength and good performence of anti-rolling-endurance-failure
11/22/1994	US5366569 Method for producing a corrosion-resistant composite wire
11/22/1994	CA2030456C Strip elongation control in continuous annealing furnaces
11/22/1994	CA2030454C Strip elongation control in continuous annealing furnaces
11/22/1994	CA2030453C Strip elongation control in continuous annealing furnaces
11/18/1994	CA2121556A1 Line to produce strip and/or sheet
11/17/1994	EP0624205A1 High-strength steel parts and method of making
11/17/1994	DE4333717C1 Apparatus for transferring and storing roughed strips rolled from thin slabs and wound up
11/16/1994	CN1095109A Renovating process for waste or old roll
11/15/1994	US5364331 Heat resistant roll for use in steel plate manufacturing equipment
11/15/1994	US5364266 Method and apparatus for increasing furnace capacity
11/10/1994	WO1994025635A1 Sheet steel excellent in flanging capability and process for producing the same
11/03/1994	DE4334826C1 Apparatus for the alternate winding and unwinding of stock in strip form
11/02/1994	EP0621904A1 Device for heat-treating metal workpieces.
11/01/1994	US5360963 Apparatus for and method of induction-hardening machine components
11/01/1994	US5360495 Process for hardening cutting edges with an oval shaped plasma beam
11/01/1994	US5360203 Floatation pressure pad for metal strips
11/01/1994	US5360202 Blackening Treating furnace for treating stainless steel strip surface
11/01/1994	US5359773 Manufacturing method of the roll main body of a caliber roll
10/1994
10/26/1994	EP0621345A1 Process and device for heat-treating workpieces
10/26/1994	EP0621344A1 Flexible adaptive quenching
10/26/1994	EP0620865A1 Railway-track elements and method of manufacturing them.
10/25/1994	US5358744 Process for coating a ferritic stainless steel strip with aluminum by hot quenching
10/19/1994	EP0620284A2 Process for producing patented steel wire
10/18/1994	CA1332520C Cold-rolled steel sheets and method for producing cold-rolled steel sheets
10/13/1994	WO1994023086A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
10/13/1994	WO1994023084A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
10/13/1994	WO1994023083A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
10/13/1994	DE4311875A1 Method for the production of hollow shafts with a profile
10/13/1994	CA2098160A1 Process for producing patented steel wire
10/12/1994	EP0619377A1 Coiler furnace
10/12/1994	EP0619376A1 Method for manufacturing grain oriented electrical sheets with improved core loss
10/12/1994	EP0619157A1 Gear making process
10/12/1994	CN2179386Y Rotary crankshaft cooling apparatus
10/11/1994	US5354963 Process and a device for continuous surface treatment of rod-shaped, longitudinally extended materials with metal surfaces using a magnetically displaced plasma arc
10/11/1994	CA1332344C Method of producing grain oriented silicon steel sheets having excellent magnetic properties
10/05/1994	EP0617879A1 Induction furnace.
10/05/1994	CN2178722Y Continous bright annealing furnace for strip steel
10/05/1994	CN2178721Y Processing device of internal wall harden wear-resisting steel tube
09/1994
09/29/1994	DE4319416C1 Method for raising rail-joint welds lying below the running surface in railway tracks
09/28/1994	EP0617134A1 Process for remelting surface areas of workpieces
09/28/1994	EP0616647A1 Heavy-duty solid wheels and tyres for rail locomotives and trucks
09/28/1994	EP0616646A1 Method for the thermal treatment of metal products
09/28/1994	EP0556176B1 A control system for scheduling parts in a heat-treating process
09/28/1994	CN1092816A Walking-beam furnace for the accelerated heating of billets or the like
09/27/1994	US5350467 Method of heat treating a zone of each of a plurality of articles
09/22/1994	DE4309012A1 Method for the hot-setting of helical springs
09/22/1994	DE4308314A1 Method and device for the surface treatment of a workpiece by means of a laser beam of specific beam-spot geometry
09/21/1994	EP0615810A2 Vane member and method for producing joint
09/21/1994	CN2177730Y Steel runout for side-discharged furnace
09/21/1994	CN2177729Y Blast-cooling device for heat treatment of fracture surface of rail
09/20/1994	US5348297 Expandable baton with locking joints
09/15/1994	WO1994020765A1 Process for producing a component with at least one divided bearing surface for rolling elements
09/14/1994	EP0614992A1 Metal band cooling apparatus and cooling method therefor
09/14/1994	CN2177019Y Cover type bright annealing furnace
09/13/1994	US5345997 Cooling device
09/13/1994	US5345799 Method and device for forming various workpieces
09/08/1994	DE4328516A1 Method and device for producing a butt joint between two sectional bars of metal, in particular of aluminium or an aluminium alloy
09/08/1994	DE4328515A1 Method and device for fabricating a welded structure
09/07/1994	EP0613958A1 Equipment for continuously annealing steel strips
09/07/1994	EP0559643B1 Process and apparatus for wire patenting
09/07/1994	EP0538435B1 Process for the multi-stage machining of saw blade teeth and saw machining device for implementing the process
09/06/1994	US5344509 Process for prevent the formation of adhesives when annealing steel band
09/06/1994	US5344062 Method of forming seamed metal tube
09/06/1994	CA1331852C Process for preparing alloyed-zinc-plated titanium-killed steel sheet having excellent deep-drawability

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