Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
07/1995
07/18/1995US5433420 Device for the heat treatment of at least one metal wire with heat-transfer plates
07/18/1995CA2140310A1 Process for treating steel edges for skis or the like
07/13/1995WO1995019062A1 Improved process for manufacturing alternator pole piece
07/13/1995DE4344094C1 Two-stream thin slab casting installation with coiling units
07/13/1995CA2154886A1 Improved process for manufacturing alternator pole piece
07/12/1995EP0662519A1 Apparatus for heat treating workpieces
07/12/1995EP0524207B1 Method and device for surface hardening of rotation symmetrical parts through inductive heating by means of at least two different frequencies
07/11/1995US5431755 Method of and arrangement for thermal treatment of continuously moving metal bands
07/11/1995US5431748 Impact bar for automobile
07/11/1995US5431375 Cooled cylinders for handling steel products
07/11/1995US5431071 Knife blades
07/06/1995WO1995018243A1 High strength high toughness spring steel, and manufacturing process therefor
07/06/1995CA2139450A1 Method and device for quenching, particularly for steel tubes or similar
07/05/1995EP0661499A1 Real time control of a burner for gases with differing characteristices, especially for a metallurgical furnace for reheating
07/05/1995EP0660883A1 Improved beta-quenching process for nuclear fuel cladding
07/05/1995CN1104699A Enhancing process of concrete sleeper with high strength prestressed reinforcement
07/05/1995CN1104566A Line to produce strip and/or sheet
07/04/1995US5429688 Work hardened stainless steel for springs
07/04/1995US5429687 Process for manufacturing alternator pole piece
06/1995
06/29/1995WO1995017532A1 Rail of high abrasion resistance and high tenacity having pearlite metallographic structure and method of manufacturing the same
06/29/1995WO1995017529A1 Process for producing rail wheels and parts thereof
06/29/1995DE4406896C1 Martensitic age-hardening process for esp. alloyed steel inlet valves
06/28/1995EP0659907A2 Oil removing apparatus and oil removing method for a pipe coil
06/28/1995EP0659896A1 Stainless steel wire product
06/28/1995EP0659888A2 Method for manufacturing a high-formable, high-strength cold-rolled steel sheet excellent in resistance to secondary working embrittlement
06/28/1995EP0591151B1 A steel bar and billet heating apparatus located upstream of shears for further processing
06/28/1995EP0571521B1 Metal wire consisting of a steel substrate with a cold hardened annealed martensitic structure, and a coating
06/28/1995CA2138860A1 Method of scaleless induction heating
06/27/1995US5428208 Method of induction case hardening a rack bar
06/27/1995US5427457 Rolling bearing
06/27/1995CA1336104C Method and apparatus for automatic vapor cooling device for shape melted components
06/22/1995WO1995016888A1 Sealing device for doorways of partitions of continuous annealing furnace, continuous coating equipment, and the like
06/21/1995EP0658635A1 Conductor roll
06/20/1995US5425820 Oriented magnetic steel sheets and manufacturing process therefor
06/18/1995CA2111760A1 Rod cooling apparatus
06/15/1995WO1995016057A1 Steel alloy, steel strip made of the alloy, and use of the steel strip
06/15/1995WO1995015928A2 Coating system for glass adhesion retention
06/15/1995CA2178617A1 Steel alloy, steel strip made of the alloy, and use of the steel strip
06/15/1995CA2178338A1 Coating system for glass adhesion retention
06/15/1995CA2138116A1 Method and apparatus for heat treating metal parts
06/14/1995EP0657557A1 Spring steel of high strength and high corrosion resistance
06/14/1995DE4444572A1 Fixing abutment ring onto cast iron pipe end
06/14/1995DE4442821A1 Induction heating coil for hardening separate inner wall sections of e.g. cylinder block
06/14/1995CN2200643Y Heat treatment equipment with double metal band saw
06/14/1995CN1028880C Continuous annealing apparatus for cold rolled steel strips
06/13/1995US5423924 Method for the heat treatment of at least one metal wire with heat-transfer plates
06/07/1995EP0656427A1 Oil-tempered wire and process for producing the same
06/07/1995EP0656071A1 Process and device for regulating the calorific output in a continuous annealing and processing line for continuously cast metal products.
06/07/1995EP0655959A1 Apparatus and method for precision gear finishing by controlled deformation
06/07/1995CN1103437A Stainless steel sheet and method for producing thereof
06/07/1995CN1103436A Stainless steel sheet and method for producing thereof
06/07/1995CN1103433A Method and apparatus for continuously shaping and quenching leaf springs
06/06/1995US5421920 Process for producing rolled shape steel material having high strength, high toughness, and excellent fire resistance
06/01/1995DE4406040A1 Stainless steel sheet having high fracture resistance
06/01/1995DE4340568A1 Continuous heat treatment of steel wire
05/1995
05/31/1995CN2199216Y Steel band transmission heat treating furnace
05/30/1995US5419948 Cleaning in a fluorine gas before forming nitride surface
05/30/1995US5419791 Annealing tubes and hardening
05/30/1995US5419699 Seal arrangement for batch coil annealing furnace
05/30/1995US5419172 Continuously cast carbon and stainless steel hot-rolling mill
05/26/1995WO1995014111A1 Facility for the heat treatment of metal parts, especially parts made of zinc-containing non-ferrous metals
05/26/1995WO1995013894A1 Surface decarburization of a drill bit having a refined primary cutting edge
05/26/1995CA2153881A1 Surface decarburization of a drill bit having a refined primary cutting edge
05/24/1995DE4421874C1 Steel sheet housing for exhaust unit of internal combustion engine
05/24/1995CN1102860A Improvement to cooled cylinders for handling siderurgical products
05/23/1995US5418015 Process for forming a refractory oxide coating
05/23/1995US5417567 Holder means for the partial thermal treatment of workpieces
05/23/1995CA1335637C Process and means for making metal inking rolls, particularly for flexographic printing, with highly hardened superficially engraved layer, and rolls obtained with such process and means
05/18/1995WO1995013156A1 Continuously cast steel strip
05/18/1995WO1995013155A1 In-line heat treatment of continuously cast steel strip
05/18/1995WO1995013149A1 Slab caster and inline strip and plate apparatus
05/17/1995CN2197367Y Quenching basket for cylinder sleeves
05/17/1995CN1102703A Apparatus and method for removing oil from spiral tube
05/16/1995US5415705 Rolling bearing
05/16/1995US5415611 Web tension control system
05/16/1995US5415381 Steel bar and billet heating system located upstream of shears for further processing
05/16/1995US5414922 Process for producing a riveted joint by forming a rivet head onto a heated rivet pin using a riveting tool
05/16/1995CA1335534C Top-hat furnaces used especially for controlled atmosphere annealing of coiled metal
05/11/1995WO1995012691A1 Manufacture of silicon steel plate having excellent magnetic characteristic
05/04/1995WO1995011999A1 Process for annealing items and suitable annealing furnace
05/04/1995DE4438657A1 Cage for roller bearings and a method for its manufacture
05/03/1995EP0650776A1 Device for cooling rolled strips
05/03/1995CN1102216A Heat-treatment method of point tongue
05/02/1995US5411812 Steel substrate with metal coating formed by dipping in a zinc or zinc alloy melt
05/02/1995US5411613 Method of making heat treated stainless steel needles
05/02/1995US5411612 Method of scaleless induction heating
05/02/1995US5411610 Cold rolling thin sheet, annealing and then cold rolling to exceed specified reduction ratio; carrier for catalyst in exhaust systems for automobiles
05/02/1995US5411604 Method of producing low iron loss, low-noise grain-oriented silicon steel sheet, and low-noise stacked transformer
04/1995
04/27/1995WO1995011320A1 Cold-rolled steel sheet having excellent workability and process for producing the same
04/27/1995WO1995010983A1 Process of manufacturing an aneurysm clip
04/27/1995DE4335710A1 Apparatus for the differentiated cooling of wide flat products (universal-plate products)
04/26/1995CN2195549Y W shape pitting surface radiant tube
04/25/1995US5409748 Aluminide layer and an aluminum diffusion sublayer; alloy coating layer and a ceramic protective coating; resistant to high temperature oxidation corrosion
04/20/1995DE4423832A1 Process for the inductive surface hardening (skin hardening) of hollow shafts
04/19/1995EP0648993A1 Heating and/or temperature-maintaining furnace for slabs
04/19/1995EP0648855A1 Production method for seamless pipes of non-ferrous metals, in particular copper and copper alloys
04/19/1995EP0648552A1 Movable insulated conveyor for the continuous casting of slabs
04/18/1995US5407744 Method for producing steel wires intended for the manufacture of flexible conduits, steel wires obtained by this method, and flexible conduits reinforced by such wires
04/18/1995US5407497 Localized heating of weld to first critical temperature, cooling to below 100 degrees celcius, heating to second critical temperature lowr than first; annealing
04/18/1995US5407494 Forming tubing from flat form of metal, annealing while applying radially directed pressure to surface, welding