Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
09/1996
09/12/1996WO1996027684A1 A technique to prevent or divert cracks
09/12/1996DE19608401A1 Expandable mandrel for mounting workpieces for hardening
09/12/1996DE19525670C1 Cutting blade for agricultural machinery
09/12/1996DE19508848A1 Feuerfestes Formteil für Drehherdöfen Refractory molding for rotary hearth furnaces
09/11/1996EP0731183A1 Sealing device for inlet or outlet of atmosphere equipment
09/11/1996EP0731182A2 Method for making a steel sheet suitable as a material for can making
09/11/1996EP0730917A1 Arrangement of pivotable control valves for pressurised air supply channels under the rollers of a roller-conveyor for wire loops
09/11/1996CN1130883A Method and device for manufacturing cold rolled metal sheets or strips, and metal sheets or strips obtained
09/11/1996CA2171523A1 Method for making a steel sheet suitable as a material for can making
09/10/1996US5554837 Interactive laser welding at elevated temperatures of superalloy articles
09/10/1996US5554235 Method of and process for cold-rolling of stainless-steel and titanium-alloy strip
09/05/1996DE19507244A1 Long life coil spring mfg. process
09/04/1996EP0729519A1 Facility for the heat treatment of metal parts, especially parts made of zinc-containing non-ferrous metals
08/1996
08/29/1996WO1996026296A1 Variable-width induction heater
08/29/1996WO1996026295A1 Method for producing a steel sheet or strip for making a can, and resulting steel sheet or strip
08/29/1996WO1996025969A2 High performance wires for use in medical devices and alloys therefor
08/28/1996EP0728848A2 Base for bell type furnaces
08/28/1996EP0728847A1 Method of heat treatment of a metal strip
08/28/1996EP0728052A1 Continuously cast steel strip
08/28/1996CN1129959A Seal apparatus of heat-treatment furnace using furnace atmosphere gas containing hydrogen gas
08/28/1996CN1032656C Method and apparatus for heat treating steel rails
08/28/1996CN1032628C Roll, comprising cemented carbide and cast iron, and method for manufacture of same
08/27/1996US5548882 Storage oven for thin slab casting
08/22/1996WO1996025524A1 Sealing device for zone outlet/inlet of continuous heat treatment furnace, continuous vacuum evaporation equipment and the like
08/22/1996WO1996025267A1 Determining, controlling electrical resistance
08/22/1996DE19504784A1 Rapid stress relief of hardened crankshaft
08/22/1996CA2211691A1 Determining, controlling electrical resistance
08/21/1996EP0727498A1 Process and installation for cooling workpieces, in particular for hardening
08/21/1996CN1129464A Sealing device for outlet/inlet of controlled atmosphere heat treatment furnace
08/21/1996CN1129463A Sealing device for inlet or outlet of atmosphere equipment
08/21/1996CN1032595C Middle-frequency induction heating device for aucte track of rail road switch
08/20/1996US5547521 Heat treatment method for lost foam cast materials
08/20/1996US5547450 Hearth roller with suppressed heat crown
08/20/1996CA2072896C Apparatus for heat treating successive charges
08/20/1996CA2011746C Steel sheets for porcelain enameling and method of producing the same
08/14/1996EP0726101A1 Intermediate thickness and multiple furnace process line with slab storage and slab sequencing
08/14/1996EP0725839A1 Process for annealing items and suitable annealing furnace
08/14/1996CN1129016A Method and apparatus for sealing at zone outlet-inlet of heat-treatment furnace using atmosphere gas containing hydrogen gas
08/14/1996CN1128958A Fire detecting and counteracting method in sealing device at inlet/outlet of compartment of continuous heat treatment furnace or the like for metallic strip
08/14/1996CN1128801A Laser surface optimization system for rollers
08/13/1996US5544413 Method and apparatus for manfacturing a flashless metal connecting rod
08/08/1996WO1996023625A1 Composite furnace roll rings and method
08/07/1996EP0725152A1 Method and device for cooling hot-rolled profiles
08/07/1996EP0724920A1 Continuous steel plate manufacturing facilities
08/07/1996EP0724406A1 Process of manufacturing an aneurysm clip
08/06/1996US5542995 Method of making steel strapping and strip and strapping and strip
08/06/1996US5542994 Method for manufacturing a high-formable, high-strength cold-rolled steel sheet excellent in resistance to secondary working embrittlement
08/06/1996US5542165 Line to produce strip and/or sheet
08/02/1996CA2152966A1 Daisywheel convector plate for batch coil annealing furnace
07/1996
07/31/1996EP0724019A1 Seal apparatus of heat-treatment furnace using furnace atmosphere gas containing hydrogen gas
07/31/1996CN1127790A Steel rail in-line exhaust-heat strengthening process and its apparatus
07/25/1996WO1996022396A1 Improvements in and relating to carbide-free bainitic steels and methods of producing such steels
07/25/1996WO1996014444A3 Bake hardenable vanadium containing steel
07/25/1996CA2210797A1 Improvements in and relating to carbide-free bainitic steels and methods of producing such steels
07/24/1996EP0723034A2 A gas carburising process and an apparatus therefor
07/24/1996EP0723027A1 Device for heating rods or wires with periodically changing diameters while passing through induction coils
07/24/1996EP0723025A1 Invar type alloy wire and manufacturing method thereof
07/24/1996CN2231688Y Jointing device for heat treatment of rails
07/24/1996CN1127537A Rails
07/23/1996US5538566 Warm forming high strength steel parts
07/17/1996EP0721993A1 Floating furnace
07/17/1996EP0721992A1 Method and apparatus for sealing at zone outlet/inlet of heat-treatment furnace using atmosphere gas containing hydrogen gas
07/17/1996EP0721813A1 Device for guiding hot-rolled strip through an inductor
07/17/1996EP0721400A1 Device at railway wheels and method for obtaining said device
07/17/1996CN2231259Y Quenching equipment from 5mm section of switch sharp-pointed rail
07/17/1996CN1126763A Laser treatment process of roller surface
07/17/1996CN1126679A Method for producing a vehicular endless track link
07/16/1996US5536337 Method for heat treating a metal component
07/16/1996US5536146 Rotor shaft, heat resistant low carbon steel of nickel, chromium, molybdenum, vanadium
07/16/1996US5536089 Method of producing a component having at least one split running face for rolling elements
07/16/1996CA2056212C Automobile body reinforcing steel pipe and process for producing same
07/12/1996CA2165700A1 Intermediate thickness and multiple furnace process line with slab storage and slab sequencing
07/10/1996EP0721030A1 Method to make a rupture zone in a tension member for a prestressed ground anchor
07/10/1996EP0478771B1 Method for producing steel wires for the manufacture of flexible ducts, steel wires thereby obtained and flexible ducts reinforced therewith
07/09/1996US5534088 Method of optimizing the distribution of inherent stress in springs
07/09/1996US5533982 Curved, silicone-coated surgical needle having been shaped prior to martensitic precipitation-hardening by vacuum heat and cooling treatments; tensile strength, sharpness
07/09/1996US5533893 Walking-beam furnace for the accelerated heating of billets or the like
07/09/1996US5533770 High-strength solid wheels and tires for railroad traction vehicles and cars
07/09/1996US5533716 Method and device for quenching, particularly for steel tubes or similar
07/04/1996DE19500019A1 Evacuable chamber for cooling metallic materials after heat treatment
07/03/1996EP0719873A1 Process for manufacturing a shadow mask, made from an iron-nickel alloy
07/03/1996EP0719869A1 Process for producing high- and low-pressure integral-type turbine rotor
07/03/1996EP0719868A1 Steel sheet for automobiles having excellent impact resistance and method of manufacturing the steel sheet
07/02/1996US5531836 Steel alloy bearing of chromium, carbon, tungsten, vanadium, nickel and iron
06/1996
06/27/1996WO1996019305A1 Method for manufacturing a cold rolled steel sheet with excellent enamel adherence
06/27/1996DE4446709A1 Use of air hardenable, low alloy steel
06/26/1996EP0718416A1 Rolling bearing and method of making same
06/26/1996EP0718411A1 Process for producing steel strip for deep drawing and redrawing of steel cans
06/26/1996EP0718410A1 Process for producing rocker arms
06/26/1996CN1125259A Tobacco cutting machine blade superhard heat treatment processing technology
06/26/1996CN1125257A Method and device for quenching, particularly for steel tubes or similar
06/25/1996US5530219 Reactor core shroud repair with welded brackets
06/25/1996US5529646 Process of Producing high-formability steel plate with a great potential for strength enhancement by high-density energy
06/25/1996US5529486 Heating furnace system and method for producing hot rolled workpieces
06/25/1996US5529290 Apparatus for quenching coil springs to assure cooling
06/23/1996CA2152989A1 Rolling bearing and method of making same
06/22/1996CA2166565A1 Process for producing steel strip for use in making stamped vessels
06/19/1996CN1124781A Heat treatment technique for whole spring core of mattress
06/18/1996US5528706 Cage for roller bearings
06/18/1996US5527441 Welding electrode with flat blade