| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
|---|
| 07/28/1987 | CA1224648A1 Kinetic energy penetrator |
| 07/23/1987 | DE3601541A1 Method and device for improving the surface quality of bores |
| 07/16/1987 | WO1987004093A1 Method of preparing metal base for memory disk |
| 07/14/1987 | US4680062 Method for reducing core losses of grain-oriented silicon steel using liquid jet scribing |
| 07/08/1987 | EP0228157A2 Method and apparatus for scribing grain oriented silicon steel strip |
| 07/01/1987 | EP0227199A1 Hot rolling method and apparatus |
| 06/24/1987 | EP0226502A1 Automatic shot-peening arrangement to generate prestressed compression |
| 06/23/1987 | US4674365 Method for extending the life of a cutting tool |
| 06/11/1987 | DE3542847A1 Friction clutch and method for surface hardening wear zones on clutch components |
| 05/19/1987 | US4666533 Controlling solidification, subjecting to austempering heat treatment |
| 04/22/1987 | EP0219181A2 Strain imparting device |
| 04/21/1987 | US4659398 Continuous heating of web section after hot rolling until straightening |
| 04/15/1987 | EP0218354A1 High pressure water shot peening |
| 04/15/1987 | EP0218167A1 High tensile strength drawn steel wire with improved ductility |
| 04/08/1987 | EP0217498A1 Hardenable cast iron |
| 03/31/1987 | US4653259 Reinforcement for rubber and method of making same |
| 03/11/1987 | EP0213836A2 Surface-treated metal body, process for producing the same, photoconductive member using the same and rigid ball for treating metal body surface |
| 03/10/1987 | US4649493 Tube expansion apparatus |
| 03/10/1987 | US4649492 Tube expansion process |
| 03/03/1987 | CA1218518A1 Process for improving the resistance to corrosion cracking of elongated articles such as metal reinforcements of hoses or cables, and articles thus made |
| 02/24/1987 | US4644776 Method of making a low-alloy forging |
| 02/12/1987 | WO1987000866A1 Ultra high carbon steel alloy and processing thereof |
| 02/10/1987 | US4641510 Electromagnetically operated peening tool |
| 01/13/1987 | US4635456 Device for shot-peening inside surface of U-bend region of heat exchanger tubing |
| 01/10/1987 | CN85101782A Process for increasing the strength of single-wall tubular components and apparatus for the process |
| 01/02/1987 | DE3621144A1 Method for expansion of a tubular element |
| 10/21/1986 | US4617817 Optimizing hot workability and controlling microstructures in difficult to process high strength and high temperature materials |
| 10/14/1986 | US4616497 Rotopeening method |
| 09/16/1986 | US4612071 Mechanical stress improvement process |
| 09/09/1986 | CA1211077A1 Method of mechanically prestressing a tubular apparatus |
| 09/02/1986 | US4608853 Percussion apparatus |
| 08/26/1986 | US4607515 Kinetic energy penetrator |
| 08/13/1986 | EP0190448A1 Process for reducing residual stress of roller-straightened steel rails |
| 08/12/1986 | US4605449 Controlling temperature during rolling |
| 08/12/1986 | CA1209326A1 Method for controlling properties of metals and alloys |
| 07/16/1986 | CN86100209A Method for lessoning internal stress of steel rail straightened by rolling |
| 07/01/1986 | US4597283 Method for straightening a rail and straightened rail |
| 06/10/1986 | US4594115 Process for the manufacture of rods or machine wire of martensitic stainless steel and the products which are produced |
| 05/27/1986 | US4590655 Method for expanding a tubular member |
| 05/21/1986 | EP0181810A1 Method and apparatus for compressing by hammering a steam generator tube placed in a tube wall |
| 05/14/1986 | EP0180855A1 Process for increasing the fatigue strength of component parts with various forms |
| 05/07/1986 | EP0179952A1 Method for producing high strength steel with good ductility |
| 05/06/1986 | US4586249 Mandrel having an eddy current probe |
| 04/30/1986 | CN85202802U Gear stock improved segregation |
| 04/22/1986 | CA1203456A1 Process for preparing strips or sheets of high strength austenitic steel having improved fatigue strength |
| 04/15/1986 | US4581913 Method for improving the release and finish characteristics of metal stamping dies |
| 03/18/1986 | US4575910 Method of treating traction surfaces |
| 02/25/1986 | US4571969 Autofrettage process |
| 02/05/1986 | EP0170598A1 Process for manufacturing hot-rolled martensitic stainless steel rods or rod wire, and products obtained |
| 01/22/1986 | EP0168931A2 Process for producing a wear-resistant article |
| 01/02/1986 | EP0165935A1 Kinetic energy penetrator |
| 12/10/1985 | CA1197714A1 Continuous tandem hot strip mill and method of rolling |
| 11/19/1985 | CA1196773A1 Apparatus for processing welded joint parts of pipes |
| 11/12/1985 | CA1196584A1 Metallic tubular structure having improved collapse strength and method of producing the same |
| 11/12/1985 | CA1196486A1 Method for simultaneous peening and smoothing |
| 11/05/1985 | US4550487 Process for preparing strips or sheets of high strength austenitic steel having improved fatigue strength |
| 11/05/1985 | CA1196257A1 Three-step treatment of stainless steels having metastable austenitic and martensitic phases to increase resistance to chloride corrosion |
| 10/23/1985 | EP0159222A1 Process for the surface treatment of iron or cast iron parts by ionic bombardment |
| 10/22/1985 | US4548656 Method and apparatus for reducing the watt loss of a grain-oriented electromagnetic steel sheet and a grain-oriented electromagnetic steel sheet having a low watt loss |
| 09/24/1985 | CA1193948A1 Case hardening method for steel parts |
| 09/18/1985 | EP0154802A1 Percussion tool |
| 08/27/1985 | CA1192387A1 Method of peening airfoils and thin edged workpieces |
| 08/13/1985 | CA1191672A1 Shot peening apparatus |
| 08/07/1985 | EP0150265A2 A method for improving the properties of an elongate structural member |
| 08/06/1985 | US4533391 Work-hardenable substantially austenitic stainless steel and method |
| 08/06/1985 | US4532980 Method and apparatus for removing fine cold shut cracks on horizontally and continuously cast steel strand using ejection of a plurality of metal shots |
| 07/17/1985 | EP0148454A2 Improved mandrel having an Eddy Current probe |
| 06/20/1985 | WO1985002566A1 Kinetic energy penetrator |
| 05/15/1985 | EP0141661A2 Work-hardenable substantially austenitic stainless steel and method |
| 04/30/1985 | US4514469 With spherical shot; smooth finish |
| 04/30/1985 | US4513597 Apparatus for reducing the watt loss of a grain-oriented electromagnetic steel sheet |
| 01/29/1985 | US4495691 Melt spinning iron base alloys |
| 01/22/1985 | US4495002 Conversion to tempered martensite |
| 01/01/1985 | US4491001 Apparatus for processing welded joint parts of pipes |
| 12/27/1984 | EP0128955A1 Method for controlling properties of metals and alloys |
| 12/18/1984 | US4489137 Process for increasing the resistance to cracking corrosion of elongate elements such as armorings of flexible pipes or cables and the resultant products |
| 11/20/1984 | US4483174 Method for controlling properties of powdered metals and alloys |
| 11/13/1984 | US4481802 Method of peening the inside of a small diameter tube |
| 10/30/1984 | US4479833 Isothermal deformation |
| 09/11/1984 | US4470188 Method of mechanically prestressing a tubular apparatus |
| 08/08/1984 | EP0115046A2 Railroad wheel |
| 07/31/1984 | US4462844 Cold working surface, heating to recrystallize; hot extrusion |
| 07/31/1984 | US4462238 Method for controlling properties of metals and alloys |
| 07/18/1984 | EP0113651A1 Method for the production of a cold cured steel rod by twisting, preferably a reinforcing bar, as well as a bar produced by this method |
| 07/05/1984 | WO1984002481A1 Method for controlling properties of metals and alloys |
| 06/19/1984 | US4454740 Method of surface treating a workpiece |
| 06/12/1984 | US4453392 Method of hardening shaped surfaces by plastic deformation |
| 05/29/1984 | US4450707 Hardened metal workpiece straightening machine |
| 05/16/1984 | EP0108490A1 Method and apparatus for removing fine cold shut cracks on horizontally and continuously cast steel strand using ejection of a plurality of metal shot |
| 05/15/1984 | US4448053 Method of stress rolling a metallic rim |
| 04/26/1984 | WO1984001586A1 Process and installation for the treatment of cylindrical products, particularly armouring bars by hardening and drawing temper |
| 03/21/1984 | EP0103439A1 Methods of prestressing and methods of manufacturing tubular apparatus |
| 02/22/1984 | EP0101097A1 Process for manufacturing work-hardened metallic workpieces by forging or pressing |
| 02/21/1984 | US4432220 Shot peening apparatus |
| 02/14/1984 | US4430876 Continuous tandem hot strip mill and method of rolling |
| 01/31/1984 | US4428213 Duplex peening and smoothing process |
| 01/24/1984 | US4426867 Method of peening airfoils and thin edged workpieces |
| 01/24/1984 | CA1160871A1 Method of reducing the tendency towards cracks in the bottom of the teeth of saws |
| 01/24/1984 | CA1160823A1 Method of prestressing the working surfaces of pressure chambers or cylinders |
| 01/17/1984 | US4425780 In a pull gun |