| 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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| 05/29/1991 | CN1012668B Large elongation continue asynchronous cold continuous rolling mill and process |
| 05/28/1991 | US5018666 Unitary one quarter mile long railroad rail free of weld seams |
| 05/28/1991 | US5018569 Method for continuous casting of thin slab ingots |
| 05/28/1991 | US5018377 Hot rolling of metal strip |
| 05/14/1991 | US5014412 Strip casting installation with rotary hearth furnace and method for producing hot-rolled steel strip therefrom |
| 05/14/1991 | CA1284039C Method and apparatus for the production of metal products |
| 05/08/1991 | EP0426579A1 Process for production of thin lithium base strips and their use for making negative battery electrodes |
| 05/08/1991 | EP0426561A1 Plant for reheating and rolling long workpieces |
| 05/08/1991 | CN1012562B Universal roll stand with control device, especially finishing stand in universal |
| 05/01/1991 | CN1050997A Mould process and device for continuous rolling and bending garnish steel band |
| 05/01/1991 | CN1012470B Steel sheets for painting and method of producing the same |
| 05/01/1991 | CA2028734A1 Method for producing lithium sheets and use of said sheets in making negative plates for storage batteries |
| 04/23/1991 | US5010050 Process of producing composite material consisting of sheet metal plates, metal strips and foils having a skeleton surface structure and use of the composite materials |
| 04/23/1991 | US5009396 Method and apparatus for the manufacture of formable steel strip |
| 04/23/1991 | US5009094 Method of rolling H-shaped steels |
| 04/23/1991 | US5009092 Coiler arrangement |
| 04/17/1991 | EP0422056A1 Process and installation for manufacturing a metal strip having a thickness less than or equal to 10 mm. |
| 04/17/1991 | CN1012344B Precise roll-forging technology for variable-section steel sheet spring of car |
| 04/10/1991 | CN1050508A Cold roll-formed structures and method and apparatus for producing same |
| 04/09/1991 | US5006181 Lubricating method for warm rolling of high silicon steels |
| 04/03/1991 | CN2074218U Roll-adjusting device |
| 04/03/1991 | CN2074217U Asymmetrical cross-rolling mill |
| 04/02/1991 | US5004143 Method of manufacturing clad bar |
| 04/02/1991 | US5003804 Method for pre-processing stainless steel strip intended to be cold-rolled |
| 03/27/1991 | EP0224587B1 Method of correcting warping of two-layer clad metal plate |
| 03/27/1991 | CN1012144B Cold-rolled steel sheets and a method of manufacturing the same |
| 03/26/1991 | US5001916 Method for the calibrated cross-section reduction of a workpiece rotating during such method. |
| 03/26/1991 | US5001915 Method for improving hot strip mill processing |
| 03/20/1991 | EP0417065A1 Method and apparatus, in continuous production, for supporting details on large forming surfaces at high surface pressure without deforming the forming surface |
| 03/20/1991 | CN1050004A Trolley wire with copper coating steel and method for manufactuing the same |
| 03/19/1991 | US5000023 Operating method and rolling mill train for continuously rolling a profiled billet to a predetermined finished cross-sectional shape of accurate size |
| 03/19/1991 | US5000020 Method and arrangement for controlling the thicknesses of webs and flanges of beams in universal rolling mill stands |
| 03/19/1991 | CA1281794C Method of cooling hot-rolled steel plate |
| 03/13/1991 | EP0416880A2 Rolling mill and rolling method |
| 03/13/1991 | EP0416356A2 Device for producing steel strip |
| 03/12/1991 | US4998341 Method for making mineral insulated metal sheathed cables |
| 03/12/1991 | US4998338 Method and arrangement for manufacturing hot-rolled steel strip |
| 03/08/1991 | CA2024749A1 Plant for manufacturing steel strip |
| 03/06/1991 | EP0415328A2 A method for manufacturing a high-conductivity copper-clad steel trolley wire |
| 03/06/1991 | EP0415238A2 Method of producing support for planographic printing-plate |
| 03/06/1991 | CN2072447U High-efficient energy-saving three-roller cold-rolling mill |
| 02/26/1991 | US4996113 Rolling a metal strip under boundary lubrication conditions where one roll has micron-sized grooves and is polished to a mirror finish; aluminum cans |
| 02/26/1991 | US4995541 Set of guide rolls for guiding, positioning and controlling motion of bands of material fed through the rolls |
| 02/26/1991 | US4995251 System for trimming leading and trailing ends from a wire coil |
| 02/21/1991 | WO1991001825A1 Flexible conveyance and guidance roller for use in metalworking furnace structures |
| 02/20/1991 | EP0413169A1 Production line for making steel plate |
| 02/19/1991 | US4994118 Process for the production of hot rolled steel or heavy plates |
| 02/18/1991 | CA2023431A1 Method for purifying low molecular weight compounds of peptide or pseudo-peptide structure |
| 02/14/1991 | DE3926048A1 Method of producing embedded heat exchanger panels - has panel rolled from copper block with through holes followed by inflation with compressed air |
| 02/12/1991 | US4991418 Method for determining temperature of metal to be rolled by hot strip mill and apparatus for performing the same |
| 02/12/1991 | US4991276 Flexible conveyance and guidance roller for use in metalworking furnace structures |
| 02/12/1991 | CA1280015C Steel rolling using optimized rolling schedule |
| 02/07/1991 | WO1991001385A1 Method of producing high-strength stainless steel strip having duplex structure and excellent spring characteristics |
| 02/06/1991 | EP0412073A1 A deep drawing steel sheet with a metal coating and a method for its manufacture |
| 02/06/1991 | CN1049032A Process for producing high strength stainless steel of duplex structure having excellent spring limit value |
| 02/01/1991 | CA2022235A1 Steel drawing sheet with metal coating |
| 01/29/1991 | US4989164 Process and device for determining the camber of a sheet |
| 01/29/1991 | CA1279712C Method of controlling product tension in a rolling mill |
| 01/23/1991 | EP0408911A1 Method for high-speed rolling and system for high-speed rolling |
| 01/22/1991 | US4986341 Process for making non-oriented high silicon steel sheet |
| 01/16/1991 | EP0407764A1 Rolling stand with multiple rolls supported as cantilevers for highspeed rolling |
| 01/16/1991 | CN1048508A Rolling stand for two-high reversing mill of profiles |
| 01/16/1991 | CN1011204B Apparatus and method for low tolerance rolling of rope form rolling material |
| 01/09/1991 | EP0406624A2 Reversible two-high section roll stand |
| 01/09/1991 | EP0406249A1 Installation for manufacturing hot-rolled steel strip. |
| 01/09/1991 | CN1011121B Cold rolled steel sheets having improved press formability |
| 01/08/1991 | US4982591 One-piece |
| 01/08/1991 | US4982590 Roll-forming apparatus for wire stock |
| 01/02/1991 | CN1011044B Infrared process of smelting of low carbon, low-alloy steel by electric furnace |
| 12/20/1990 | DE3919199A1 Verfahren zur herstellung von waelzlagerelementen A process for preparing waelzlagerelementen |
| 12/19/1990 | CN2067612U Rolled device for cold -rolling thread reinforcing steel |
| 12/18/1990 | US4978583 Patterned metal plate and production thereof |
| 12/12/1990 | CN1047636A Quick upsetting press |
| 12/12/1990 | CN1010752B Steel sheets for painting and method of producing the same |
| 12/11/1990 | US4977037 Rotating casting wheel |
| 12/11/1990 | US4976306 Combined continuous casting and rolling |
| 12/11/1990 | US4976024 Method of and apparatus for rolling directly coupled with continuous casting |
| 12/05/1990 | EP0400385A2 Flying upsetting press |
| 11/29/1990 | WO1990014178A1 Apparatus and method for selectively forming a thickened edge on a plate of formable material |
| 11/28/1990 | EP0399910A1 Ribbed concrete steel with high adherence and its processing production |
| 11/28/1990 | CN1010560B Rolling of base steel sheet to be surfacetreated without producing stretcher strain markings |
| 11/22/1990 | DE4015750A1 Cold-rolled metal strip of required hardness prodn. - involves forming rough strip and then rolling it to finished form with predetermined nominal thickness |
| 11/19/1990 | CA2016338A1 Apparatus and method for selectively forming a thickened edge on a plate of formable material |
| 11/06/1990 | US4968550 Gaskets or seals |
| 11/06/1990 | CA1275832C Process and apparatus for regulating the synchronization of a pair of rolls |
| 11/01/1990 | WO1990012664A1 Wire rod dividing method in wire rod mill |
| 10/31/1990 | EP0394672A2 Method and apparatus for cutting the leading turns and/or the trailing turns of a wire coil |
| 10/31/1990 | DE3913713A1 Finishing, milling and levelling unit for metal sheet and strip - has milling and levelling accomplished without slippage between material and levelling rollers |
| 10/31/1990 | CN1010183B Method and apparatus for rolling rope formed profiled rolling stock within narrow tolerance |
| 10/30/1990 | US4966816 Pack assembly for hot rolling |
| 10/30/1990 | US4966027 Wire-rod block |
| 10/30/1990 | US4966026 Edging roll for use in making sections having flanges |
| 10/24/1990 | EP0393264A1 Method for making mineral insulated metal sheathed cables |
| 10/24/1990 | CN2064274U Cold-drawn type rolling mills |
| 10/18/1990 | CA2014464A1 Method for making mineral insulated metal sheathed cables |
| 10/17/1990 | EP0392009A1 Method of hot rolling high-silicon steel plate |
| 10/16/1990 | US4962808 Method of producing a steel strip having a thickness of less than 10 mm |
| 10/16/1990 | US4962657 Rolling mill train, particularly rolling mill train in a section mill |
| 10/16/1990 | CA1275154C Cold rolled steel sheets having an improved press formability |
| 10/10/1990 | EP0391824A1 Method and device for casting thin metallic products with thickness reduction under the casting mould |