Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
10/1992
10/14/1992CN2118960U Chain type continuous heat treating furnace chamber
10/13/1992US5155335 Furnace for baking coating powder
10/13/1992US5154781 Method to make casting alloy golf clubs
10/13/1992CA1308684C Method and apparatus for the positioning of slabs
10/07/1992EP0507762A2 Process for making a frog
10/07/1992EP0507619A2 Hardening pipes
10/07/1992EP0507618A2 Method of and apparatus for applying quench liquids to pipes
10/07/1992EP0507131A1 Turbine blade protected against water droplets abrasion and method of manufacture
10/07/1992EP0422056B1 Process and installation for manufacturing a metal strip having a thickness less than or equal to 10 mm
10/06/1992US5152953 Installation for the flame metalization of small pieces of steel or cast iron
10/06/1992US5152851 Coiled steel wire of carbon, silicon, manganese, chromium, vanadium and iron for use in engines; tensile strength, stress resistance, toughness
10/06/1992CA1308340C Apparatus for heat treating a continuously moving metal wire
09/1992
09/30/1992EP0506043A2 Burner for generating soot and furnace to deposit soot by using the same
09/30/1992CN2117577U Combined hot feeding furnace
09/30/1992CN1064827A Roll, comprising cemented carbide and cast iron, and method for manufacture of same
09/23/1992EP0505343A1 Process for the manufacture of a roll and a roll
09/23/1992EP0505239A1 Method for fabricating sieves from flat steels by punching or cutting
09/23/1992EP0504655A1 Method and plant for rolling wire or rounds into coils from carbon and/or high-grade steel
09/22/1992CA1307723C Process and apparatus for manufacturing a high strength rail
09/16/1992EP0503680A2 Oriented silicon steel sheets and production process therefor
09/16/1992CN1018293B Plant to roll flat products
09/16/1992CA2063045A1 Oriented silicon steel sheets and production process therefor
09/15/1992WO1992016665A1 Method and apparatus for the manufacture of partly hardened products
09/15/1992US5147140 Ball-and-roller bearing
09/15/1992US5146759 Method for rapid direct cooling of a hot-rolled wire rod
09/15/1992CA2106095A1 Method and apparatus for the manufacture of partly hardened products
09/10/1992DE4107205A1 Rolled steel cooling and hydraulic transport appts. - has inlet funnel connected to upper and lower nozzle heads and symmetrical T-profiles which form compact cooling tube unit
09/09/1992CN2115343U Inside seal spiral cylinder continuous heat treating furnace
09/09/1992CN1018158B Automatic apparatus of forming and heat treatment of circular pieces
09/08/1992US5146058 Microwave resonant cavity applicator for heating articles of indefinite length
09/08/1992US5145534 Fluidized bed for quenching steel wire and process thereof
09/08/1992US5144734 Method for making a vehicle suspension member
09/03/1992WO1992014811A1 Metal wire consisting of a steel substrate with a cold hardened annealed martensitic structure, and a coating
09/03/1992CA2099872A1 Metal wire consisting of a steel substrate with a cole hardened annealed martensitic structure, and a coating
09/02/1992EP0501605A2 Galvanized high-strength steel sheet having low yield ratio and method of producing the same
09/02/1992CN1018059B Method for manufacturing piston
09/01/1992US5144109 Method for the steel edges of skis or the like
09/01/1992US5143558 Carburizing
08/1992
08/27/1992DE4130462C1 Curved surfaces partic. of cams on camshafts - which are hardened by remelting under an electron beam which is moved in two dimensions at high frequency
08/27/1992DE4106049A1 Installation for heat treatment of hollow cylindrical metal bodies - assembled in situ and adjusted to inside dia. of such bodies
08/26/1992EP0499851A1 Tunnel system for a hot strip rolling mill linked to the continuous casting of thin slabs
08/26/1992EP0499850A1 Process and continuous furnace for the heat treatment of articles
08/26/1992EP0499656A1 A roll for use in heat treating furnace and method of producing the same
08/26/1992CN1063916A High-strength, damage-resistant rail and method for mfg. same
08/20/1992WO1992013651A1 Roll cast in one piece, comprising cemented carbide and cast iron, and method for its manufacture
08/19/1992EP0499298A1 A precipitation hardenable, austenitic hot work steel and a method of treating the same
08/19/1992CN1017907B Technology of high pressure relaxation treatment for helical compression springs by means of electric pulse
08/18/1992US5140118 Metal tube induction annealing method and apparatus
08/18/1992US5139581 Method of making a metal earth working implement
08/18/1992US5139580 Ear-free, for deep drawing
08/18/1992CA1306507C Process for laser hardfacing drill bit cones having hard cutter inserts
08/18/1992CA1306479C Feed-through element for application in a vacuum apparatus
08/14/1992CA2059853A1 Precipitation hardenable, austenitic hot work steel and a method of treating the same
08/12/1992CA2060768A1 Roll, comprising cemented carbide and cast iron, and method for manufacture of the same
08/11/1992US5137586 Heating, cooling pattern; convection
08/11/1992US5137375 Carburized alloy steel rings; transmisstions, automobile engines
08/06/1992WO1992013109A1 Method and apparatus for cooling and quenching flat products moving along a path
08/05/1992EP0497642A1 Method for manufacturing massive steel workpieces and workpieces thereby obtained
08/05/1992CN1063313A Superimposed heat treatment of tufting machine bearded needles
08/04/1992CA1305832C Separating agent composition and method using same
08/01/1992CA2060410A1 Process for the manufacturing of steel blocks or solid steel and parts obtained thereby
07/1992
07/29/1992EP0496726A2 Method and installation for continuous manufacture of coiled wire
07/29/1992EP0496715A1 Method and device for the manufacture of high strength wire rod from high carbon steel
07/29/1992EP0406249B1 Installation for manufacturing hot-rolled steel strip
07/29/1992CN2111292U Cooling device for steel rail heat treating
07/28/1992US5134264 Device for the inductive heating of the inside of cylinder liners of reciprocating-piston engines for the purpose of hardening
07/28/1992US5133815 Cold-rolled steel sheets or hot-dip galvanized cold-rolled steel sheets for deep drawing
07/28/1992US5133533 Sacrifical insert for strand annealing furnace tubes
07/23/1992DE4101383A1 Continuous annealing in hydrogen@-enriched protection gas - has measures to combat settling and accumulation of white dust
07/22/1992EP0495115A1 System for continuously cooling metal strip
07/21/1992US5131960 Heat treatment process
07/21/1992US5131583 Method of manufacturing high pressure fluid supply pipe
07/21/1992US5131134 Apparatus to coil strip
07/21/1992US5131126 Softening surface oxide layer with alkaline earth metal chloride, annealing, mechanical descaling
07/21/1992CA1305298C Steel sheets for painting and a method of producing the same
07/14/1992US5130207 Thin wall steel cartridge cases
07/14/1992US5129632 Heat treatment apparatus for thin spheroidal graphite cast iron products
07/14/1992CA1305023C Method of producing hot rolled strip
07/08/1992EP0493945A2 Process for producing grain-oriented electrical steel sheet having low watt loss
07/08/1992EP0493424A1 Processes and devices for the heat treatment of metal wires by bringing them around capstans.
07/08/1992EP0167618B1 Coffin delivery system for metallurgical furnace
07/08/1992CN1017352B Production technology for cold-rolled biphase steel
07/07/1992US5127971 Method of producing grain oriented silicon steel sheets having improved magnetic properties and bending properties by electrolytic degreasing
07/07/1992US5127885 Endless metal belt with strengthened edges
07/01/1992EP0493360A1 A continuous slab caster arrangement followed by a rolling mill
07/01/1992EP0492623A1 Process for making an electric-resistance-welded steel pipe with high strength
07/01/1992EP0492226A2 Method of and installation for rolling hot wide strip starting from continuous cast thin slab
06/1992
06/30/1992US5126522 Induction heating apparatus for preventing the formation of stripes on plated steel
06/30/1992US5125987 Method for direct patenting of a hot-rolled wire rod
06/30/1992CA1304430C Feed-through element for a vacuum apparatus
06/25/1992DE4041206A1 Hot rolled fine steel mfr. - in which thin slab is taken up from continuous casting to be wound in hot box to be further rolled in reverse direction in CSP working stages
06/25/1992DE4041205A1 Hot rolling of strip from thin cast sections
06/25/1992DE4040938A1 Machining the connecting surface between cylinder head and block - by using two stages with intermediate heat treatment to prestress surface and thereby avoid distortion during actual working of engine
06/24/1992EP0491451A1 Magazine-like stackable support grid for the positioning of axles
06/24/1992CN1017159B Lazer heat treatment technique of ic engine cylinder bore
06/23/1992US5124517 Method of induction-hardening machine components
06/23/1992US5123977 Heating final texture annealed steel sheet; produces primary recrystallized grains; heat resistance; reduced core loss
06/23/1992CA1303946C Device and process for heat treatment of steel wire
06/23/1992CA1303945C 9 chromium - 1 molybdenum alloy having superior high temperature properties and weldability, a method for preparing same and articles fabricated therefrom
06/17/1992CN1062006A Technology for making push type broach of leather laminating machine with chrome steel