Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811)
06/1996
06/05/1996EP0630295B1 Method and device for reducing scale formation during hot forming of metal, in particular steel
05/1996
05/28/1996US5520987 Rolling/sliding member
05/21/1996US5518557 Process for making railroad car truck wear plates
05/02/1996WO1996012589A1 Method and apparatus for making crankshafts
05/01/1996EP0708842A1 Warm forming high strength steel parts
04/1996
04/25/1996WO1996011812A1 Stainless steel wire for reinforcing the upper part of tire casings
04/25/1996CA2198034A1 Stainless steel wire for reinforcing the upper part of tire casings
04/23/1996US5509286 Method and apparatus for surface treating and prestressing the inside wall of a cavity
04/23/1996CA2030538C Process for preparing rollable metal sheet from quench solidified thin cast sheet as starting material
04/03/1996CN1119841A Process for hard-rolling a component
03/1996
03/27/1996CN2223298Y Rolling ring type nondestructive rolling element for straightener
03/13/1996EP0700451A1 High manganese steel having superior hot workability, and process for manufacturing high manganese hot rolled steel sheet without any crack
03/06/1996EP0699775A1 Process for imparting a localized fine grain microstructure to selected surfaces in aluminium alloys
03/05/1996US5496425 Having desired cross-sections from blanks having ferrite-perlite microstructure by rolling, upsetting, forging or extrusion
03/03/1996CA2141775A1 Process for imparting a localized fine grain microstructure to selected surfaces in aluminum alloys
02/1996
02/27/1996US5493766 Process for hot working continuous-cast bloom and steel ingot
02/27/1996US5493761 Apparatus for fillet rolling of crankshafts
02/20/1996US5492447 Of a gas turbine engine rotor
02/01/1996WO1996002677A1 A method of making cold formed high-strength steel parts
02/01/1996WO1996002676A2 Cold formed high-strength steel structural members
02/01/1996WO1996002675A1 Warm forming high-strength steel structural members
02/01/1996DE4428791C1 Surface hardening process for metal objects using ultrasonic waves
01/1996
01/31/1996EP0694621A1 Process for producing a coil spring
01/31/1996EP0694620A1 Method of producing a stainless steel sheet having excellent brightness
01/24/1996CN1115581A Process for producing hot forging steel with excellent fatigue strength, yield strength and cuttability
01/10/1996EP0690768A1 Process for hard-rolling a component
01/10/1996CN1114687A Mono-orientational electro-magnetic steel plate with low iron loss and manufacture of same
01/03/1996CN2216529Y Surface intensification treatement apparatus for hard alloy product
12/1995
12/26/1995US5478523 Graphitic steel compositions
12/20/1995EP0687739A1 Method of making surface-hardened metal shot
10/1995
10/05/1995WO1995026423A1 High manganese steel having superior hot workability, and process for manufacturing high manganese hot rolled steel sheet without any crack
10/04/1995EP0674720A1 Cold formed high-strength steel parts
10/03/1995US5454888 Warm forming high-strength steel structural members
09/1995
09/28/1995WO1995025821A1 Reducing edge effects of laser shock peening
09/27/1995EP0674012A1 Process for producing hot forging steel with excellent fatigue strength, yield strength and cuttability
09/27/1995EP0554257B1 High-strength steel parts and method of making
09/26/1995US5453139 Carbon manganese steel with metals, cold forming, forging or extrusion for shafts, shanks, rolls and castings
09/20/1995CN1029791C Cold hardening technology for water-hole internal wall of harmmer-drill rod
09/08/1995WO1995023876A1 Surface treatment of shape memory alloys
09/05/1995US5447549 Hard alloy
08/1995
08/23/1995EP0668365A1 Graphitic steel compositions
08/23/1995EP0612276A4 Heat treatment of metal castings and in-furnace sand reclamation.
08/09/1995EP0666142A1 Method and device for the surface treatment and for the pre-stressing of the inner wall of a cavity
07/1995
07/27/1995CA2181154A1 Guidewire with superelastic distal portion
07/12/1995EP0662520A1 Low-iron-loss grain-oriented electromagnetic steel sheet and method of producing the same
06/1995
06/07/1995EP0417318B1 Method of producing rollable metal sheet based on quench-solidified thin cast sheet
05/1995
05/18/1995WO1995013102A1 Surgically implantable prosthetic devices
04/1995
04/25/1995US5408856 Apparatus for domain refining electrical steels by local mechanical deformation with multiple scribing rolls
04/20/1995WO1995010635A1 Process for producing hot forging steel with excellent fatigue strength, yield strength and cuttability
04/19/1995EP0648853A1 Non-heat-treated steel for hot forging, process for producing non-heat-treated hot forging, and non-heat-treated hot forging
04/18/1995US5407494 Forming tubing from flat form of metal, annealing while applying radially directed pressure to surface, welding
04/18/1995US5406824 Heating steel in an nonoxidizing atmosphere at prefered temperature, blowing cooling medium to remove surface oxide film, forging steel in a die
04/11/1995US5405459 Production process for producing hollow steel tube of high strength
04/06/1995DE4402196C1 Method and device for producing flat welded billets
03/1995
03/29/1995EP0645462A1 Process for optimizing the force distribution in spring elements
03/28/1995US5400630 Method for producing regenerated cylinder, method for producing regenerated electrophotography photosensitive drum employing the method, and bulging apparatus for the methods
03/14/1995US5397402 Scribing and rolling metals to form patterns
03/01/1995EP0640149A1 Methods and apparatus for effecting domain refinement of electrical steels
02/1995
02/16/1995DE4326768A1 Method of producing sliding surfaces
02/15/1995EP0638652A1 Process for hardening metal workpieces
01/1995
01/26/1995WO1995002705A1 Warm forming high strength steel parts
01/25/1995CN1097662A Heat treatment of metal castings and in-furnace sand reclamation
01/12/1995WO1995001459A1 Strain-induced transformation to ultrafine microstructure in steel
01/12/1995DE4322720A1 Recycling method for a toner-transporting roller
01/11/1995EP0633074A1 Method and production of hot-rolled band steel containing carbon
01/04/1995CN1027291C Metal sheet material deformation by cold working
12/1994
12/28/1994EP0630417A1 High strength steel sway bars and method of making
12/28/1994EP0630295A1 Method and device for reducing scale formation during hot forming of metal, in particular steel.
12/20/1994US5374323 Nickel base alloy forged parts
12/07/1994EP0552272B1 Gear wheels rolled from powder metal blanks
11/1994
11/24/1994DE4317091A1 Method of increasing the strength of a crankshaft
11/17/1994EP0624205A1 High-strength steel parts and method of making
11/02/1994EP0622156A1 A systenm and method for shot peening reactor vessel penetrations
11/01/1994US5360496 Nickel base alloy forged parts
10/1994
10/28/1994CA2122186A1 System and method for shot peening reactor vessel penetrations
10/27/1994DE4322924C1 Method and apparatus for the production of hot-rolled carbon-containing steel strip
10/19/1994CN1093754A Method for optimization of semi-hard cold-rolled plate composition and compression ratio matching method
10/13/1994WO1994023085A1 Non-heat-treated steel for hot forging, process for producing non-heat-treated hot forging, and non-heat-treated hot forging
10/13/1994DE4412031A1 Method for manufacturing forgings made of nickel alloys
10/13/1994DE4311909A1 Method for the production of hollow shafts with a profile
10/13/1994DE4311875A1 Method for the production of hollow shafts with a profile
10/04/1994US5352305 Prestressed brake drum or rotor
09/1994
09/29/1994WO1994021427A1 Process for hard-rolling a component
09/27/1994US5350464 Silicon steel strip having mechanically refined magnetic domain wall spacings and method for producing the same
08/1994
08/31/1994EP0612276A1 Heat treatment of metal castings and in-furnace sand reclamation
08/02/1994US5333480 Method for straightening out of true work pieces, especially crankshafts
07/1994
07/19/1994US5330594 Method of making cold formed high-strength steel parts
07/12/1994US5328531 Heat treatment of steels, quenching in fluidized bed to form springs
06/1994
06/23/1994WO1994013842A1 Cold formed high-strength steel parts
06/01/1994CN1024812C Method and device for raising cold working wire specific elongation
05/1994
05/24/1994US5313815 Apparatus and method for producing shaped metal parts using continuous heating
05/03/1994US5307661 System and method for shot peening reactor vessel penetrations
04/1994
04/26/1994US5305627 Split sleeve cold expansion
04/21/1994DE3250083C2 Method of straightening railway rails
04/19/1994US5305361 Method of and apparatus for water-jet peening
04/14/1994DE4233462A1 Improving the properties of martensitic steel wire - through further forming by cold-rolling processes
04/12/1994US5302218 Surface reforming method of aluminum alloy members
03/1994
03/31/1994DE4232115A1 High-duty fastening element with uniform strength over entire length - has differential degrees of cold forming of the material over the length of the element
03/29/1994US5297418 Gage for measuring the intensity of shot-blast peening
03/29/1994US5297338 Method of connecting metal ring gear to metal boss portion
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