| Patents for B21B 1 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations (12,441) |
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| 03/20/1990 | US4909058 Method of controlled rod or wire rolling of alloy steel |
| 03/14/1990 | CN1040424A Crack arrester for high-pressure welded pipelines and method of producing same |
| 03/14/1990 | CN1040339A Composition steel component and the method for making same |
| 03/13/1990 | US4907438 Sizing mill and method of rolling a round bar material |
| 03/13/1990 | US4907433 Apparatus and method for adaptive control of a rolling mill |
| 03/08/1990 | WO1990002315A1 Metrological scale |
| 03/08/1990 | WO1990002006A1 Method and instrument for making blanks from slab |
| 03/08/1990 | WO1990002004A1 Treatment of metal slabs |
| 03/08/1990 | WO1990002003A1 Treatment of metal slabs |
| 03/07/1990 | CN2053950U Metallic composite material part with insulating layer |
| 03/06/1990 | US4906305 Method of making a composite drawn article |
| 02/22/1990 | WO1990001671A1 Crack growth limiter in high-pressure welded pipelines and method of making it |
| 02/21/1990 | EP0355046A2 Composite material and method of making |
| 02/21/1990 | CN1039743A Plant to roll flat products |
| 02/20/1990 | US4901554 Universal finishing stand for the universal rolling of rails and the like, and method of utilizing same |
| 02/15/1990 | DE3925104A1 Appts. for regulating strip feed from coil into cold rolling stand - using signals relating to rate of rotation of feed-off coil and change in radius of coil |
| 02/08/1990 | WO1990000949A1 Method and instrument for making blanks from a slab |
| 02/07/1990 | EP0354170A2 Device for axially guiding the cylinders of rolling stands |
| 02/07/1990 | EP0353788A2 Press apparatus for reducing widths of hot slabs and slab widths reducing method using the apparatus |
| 02/07/1990 | EP0353487A1 Plant to roll flat products |
| 02/07/1990 | EP0353402A1 Method for producing steel strip with a thickness of less than 10 mm |
| 02/07/1990 | CN1039371A Process for manufacturing steel bands with thickness less than 10 mm |
| 02/07/1990 | CN1039370A Continuous casting process for manufacturing slab with thickness less than casting state |
| 01/31/1990 | EP0352597A1 Process for producing hot-rolled strip or heavy plates |
| 01/31/1990 | CN1039203A Process and equipment for micro-pattern forming on roll surface, metal sheets for pressworking prepared by the roll, and methods of preparing same |
| 01/30/1990 | US4897316 Surface roughness |
| 01/30/1990 | US4896813 Sputter etching to remove surface oxides, then joining by pressing sufficiently to reduce thickness of softer metal |
| 01/25/1990 | WO1990000456A1 Process for manufacturing steel strip with a thickness of less than 10 mm |
| 01/25/1990 | WO1990000450A1 Rolling of strip material |
| 01/24/1990 | EP0351904A1 Apparatus and method for rolling out a series of billets |
| 01/24/1990 | EP0351465A1 Rock bolt |
| 01/24/1990 | CN1038955A Method for continuous cast rolling |
| 01/24/1990 | CN1038954A Process and rolling train for continously rolling profiled stock into prefab, accurate in size (completed-) shape of cross section |
| 01/23/1990 | US4895633 Method and apparatus for molten salt electroplating of steel |
| 01/23/1990 | EP0259479A4 Cold roll-formed structures and method and apparatus for producing same. |
| 01/23/1990 | CA1264838A1 Tension prefinishing with sizing stands |
| 01/23/1990 | CA1264646A1 Hot rolling method and apparatus for hot rolling |
| 01/18/1990 | DE3829444A1 Rolling apparatus, its use and a method for its operation |
| 01/18/1990 | DE3829441A1 Apparatus for the cold rolling of metal strip and foil and a method for its operation |
| 01/18/1990 | DE3824276A1 Working method for the further processing of rolled bars continuously supplied by a rolling train and collected into groups and equipment for carrying out this working method |
| 01/17/1990 | CN1038840A Infrared process of smelting of low carbon, low-alloy steel by electric furnace |
| 01/11/1990 | WO1990000100A1 Process and installation for manufacturing a metal strip having a thickness less than or equal to 10 mm |
| 01/10/1990 | EP0350431A2 Continuous casting method for production slabs compared to cast condition with a reduced thickness |
| 01/10/1990 | CN1038601A Rolling method and rolling mill |
| 01/09/1990 | US4891963 Wire rod rolling mill |
| 01/03/1990 | EP0348913A2 Rolling method of H-shaped steels |
| 01/03/1990 | EP0348777A2 Control of section rolling mill trains |
| 12/28/1989 | WO1989012517A1 The manufacture of thin metal slab |
| 12/27/1989 | EP0348381A2 Composite steel work piece and method of manufacturing same |
| 12/27/1989 | EP0347662A2 Strip steel casting installation with a rotating hearth furnace |
| 12/20/1989 | EP0346880A2 Adjustable width rolls for rolling mill |
| 12/20/1989 | CN2049564U Compact continuous rolling mill set |
| 12/20/1989 | CN2049563U Italics capital gamma shaped high neck flange formed steel |
| 12/20/1989 | CN1006121B Method for rolling and heat treating small diameter stainless steel rod |
| 12/13/1989 | EP0345734A2 Method and apparatus for continuous compression forging of continuously cast steel |
| 12/13/1989 | CN1037852A Method for increasing friction between tool and product to be rolled, and suitable roll |
| 12/13/1989 | CN1037851A Precise roll-forging technology for variable-section steel sheet spring of car |
| 12/13/1989 | CN1037850A Friction slitting pass and roller for hot-rolled steel ingot or big billet |
| 12/12/1989 | US4886713 Rough surface treatment |
| 12/06/1989 | EP0344385A1 Method and apparatus for molten salt electroplating of steel |
| 12/05/1989 | US4885042 Method and apparatus for preliminary treatment of stainless steel for cold rolling |
| 12/05/1989 | US4885041 Hot rolling slab from casting machine, cooling, more rolling, coiling |
| 11/30/1989 | WO1989011549A1 PRODUCTION OF NON-ORIENTED HIGH-Si STEEL SHEET |
| 11/30/1989 | WO1989011363A1 Process for continuous production of steel strip or steel sheet from flat products made by the circular-arc type continuous casting process |
| 11/30/1989 | WO1989011350A1 Lubricating method for hot rolling of high-silicon steel |
| 11/30/1989 | WO1989011349A1 Method of hot rolling high-silicon steel plate |
| 11/30/1989 | WO1989011348A1 Hot rolling equipment for strip coils |
| 11/29/1989 | EP0344095A2 Method for continuous direct strand reduction |
| 11/28/1989 | US4882923 Continuous mill plant for rolling steel plates |
| 11/28/1989 | CA1263248A1 Metal strip for use in stabilised earth structures |
| 11/23/1989 | EP0342408A1 Rolling method and rolling machine |
| 11/23/1989 | EP0342403A2 Calibration for the rolls of roll stands with three or more rolls |
| 11/23/1989 | DE3816469A1 Multi-strand continuous casting installation with a downstream continuous rolling mill |
| 11/16/1989 | WO1989010804A1 Machine and method for making concrete reinforcing bars |
| 11/16/1989 | DE3912447A1 Working method and rolling train for the continuous rolling of a profiled strand of rolling stock to a predetermined, dimensionally accurate (final) profile cross-section |
| 11/16/1989 | DE3815665A1 Method for forming high-alloy steels and super alloys |
| 11/15/1989 | CN1037099A Rolling train, in paraticular rolling train in use for sectional steel rolling mills |
| 11/08/1989 | EP0340505A2 Operating process and roll train for continuously rolling a sectional bar to a finished profile section with given accurate dimensions |
| 11/07/1989 | CA1262670A1 Method and apparatus for manufacturing rails |
| 11/02/1989 | EP0339717A1 Process for manufacturing composite materials such as sheet-plates, sheet-strips, and foils with superficial skeleton structure and use of the composites |
| 11/01/1989 | CN1036716A Method and apparatus for regulating thickness of web and flange in universal framing |
| 10/31/1989 | US4877463 Method for producing rolled steel products, particularly threaded steel tension members |
| 10/31/1989 | US4876874 Method of hot rolling steel strip with deformed sections |
| 10/31/1989 | US4876870 Cold rolling |
| 10/31/1989 | US4876837 Corner bead structure |
| 10/25/1989 | EP0338816A2 Process and equipment for micropattern forming on roll surface, metal sheets for pressworking prepared by the roll and methods of preparing same |
| 10/12/1989 | DE3809786A1 Method for the removal of rolling defects in the rolling of tool steels of high Brinell hardness |
| 10/10/1989 | US4872330 Plant for straightening and cutting to length rolled sections or bars |
| 10/10/1989 | US4872245 Method and apparatus for manufacturing cold-rolled steel strip |
| 10/04/1989 | EP0142568B1 Method and apparatus for rolling flanged section |
| 10/04/1989 | CN2045332U Rolling mill with small deflection and high stiffness roller |
| 09/28/1989 | DE3908147A1 Verfahren zum erhoehen der reibung zwischen walzen und walzgut in einem planetenwalzwerk sowie walze A method for increasing friction between rollers and rolling in a planetary rolling mill and roller |
| 09/26/1989 | CA1261654A1 Hot rolling method |
| 09/26/1989 | CA1260737A1 Setting process for slanted roll rolling mill, and said type of mill |
| 09/26/1989 | CA1260294A1 Roller track monitoring in rolling mills |
| 09/21/1989 | WO1989008512A1 Installation for manufacturing hot-rolled steel strip |
| 09/19/1989 | US4867528 Pressure-resistant sheath of a submarine optical fibre cable and method for the production thereof |
| 09/19/1989 | CA1259468A1 Method and apparatus for producing rapidly solidified microcrystalline metallic tapes |
| 09/13/1989 | EP0332597A1 A wire-rod block |
| 09/13/1989 | CN1035450A New asynchro-rolling technology for cold rolling sheet band |