| 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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| 09/13/1989 | CN1035449A Method for rolling steel section with periodical floral border |
| 09/12/1989 | US4864838 Drive apparatus for the vertical rolls of a universal rolling mill stand |
| 09/12/1989 | US4864836 Rolling method making use of work roll shift rolling mill |
| 09/06/1989 | EP0331618A2 Method for manufacturing a steel section, and its use and section |
| 08/30/1989 | EP0329999A2 Method and device for controlling the thickness of webs and flanges in universal rolling mill stands |
| 08/30/1989 | EP0329998A2 Rolling train, especially one in a section-rolling mill |
| 08/30/1989 | EP0208679B1 Method for the reduction of local temperature irregularity in steel slabs at rolling |
| 08/29/1989 | US4861388 Method for contact conductor for electric vehicles |
| 08/29/1989 | US4860426 System for rolling continuously cast profiles |
| 08/24/1989 | DE3812102A1 Plant for rolling continuously cast metal strip from the casting heat with a continuous casting installation arranged immediately ahead of the rolling mill |
| 08/23/1989 | EP0329639A1 Process and machine for continuously casting steel |
| 08/23/1989 | EP0329132A2 Finishing-rolling method for sections |
| 08/23/1989 | CN2043142U Rolling unit for aluminium copper composite strip |
| 08/23/1989 | CN1034984A Fibre-toughened ceramic compound material |
| 08/23/1989 | CN1034870A Method and apparatus by using y-type mill set to roll flat billets |
| 08/22/1989 | US4858457 Machine and method for making concrete reinforcing bars |
| 08/16/1989 | EP0327855A2 Installation for rolling strip immediately behind the continuous casting installation |
| 08/16/1989 | EP0327854A2 Method of and installation for rolling strips casted in a continuous strip casting installation |
| 08/16/1989 | CN2042757U Rolling machine for cold-rolling double-faced aluminium figured plate band |
| 08/16/1989 | CN1034684A Production method of complex (double metal) material composed of aluminium and other metal or alloy |
| 08/15/1989 | US4856313 Method of controlling strip crown in planetary rolling |
| 08/10/1989 | DE3802445A1 Steel strip for the production of welded steel tubes |
| 08/02/1989 | EP0326190A2 Apparatus for manufacturing a steel strip having a thickness between 2 and 25 mm |
| 08/02/1989 | CN1034323A Device and method for hot-rolling stocks to sheets |
| 08/01/1989 | US4852383 Press apparatus for reducing widths of hot slabs |
| 08/01/1989 | CA1257989A1 Strain imparting device |
| 07/25/1989 | CA1257864A1 Lubricant and method of cold-rolling aluminium |
| 07/19/1989 | CN2041215U Cooling roller device for solidifying by quickly cooling |
| 07/19/1989 | CN2041214U Rolling mill for square linear stock |
| 07/19/1989 | CN1034105A Combining technology and guiding device for making 24lane or 12lane copper based silver-cerium electric contact materials |
| 07/18/1989 | US4848127 Method of reducing slab in widthwise direction |
| 07/12/1989 | EP0323660A1 Process for manufacturing a laminate of metal sheets and filaments-reinforced synthetic layers |
| 07/11/1989 | US4846254 Rolling installation for and rolling method of continuous cast strip |
| 07/11/1989 | US4845970 Process and apparatus for regulating the synchronization of a pair of rolls |
| 07/05/1989 | EP0322655A2 Plated steel sheet for cans |
| 07/04/1989 | US4844830 Lubricant and method of cold-rolling aluminum |
| 07/04/1989 | US4843855 Multi-pass rolling method and multi-path rolling-mill stand for carrying out said method |
| 07/04/1989 | US4843696 Electrical wire through reshaping means |
| 06/28/1989 | EP0321733A1 Production of hot-rolled strip from a continuously cast material |
| 06/28/1989 | CN2040010U X-type cold-drawing steel-wire screw-rolling machine |
| 06/27/1989 | US4841611 Work roll with dulled surface having geometrically patterned uneven dulled sections for temper rolling |
| 06/21/1989 | EP0320846A1 Apparatus and method for hot-rolling slab into sheets |
| 06/21/1989 | EP0320773A2 Process for making hot-rolled clad steel sheet |
| 06/20/1989 | US4840051 Steel rolling using optimized rolling schedule |
| 06/14/1989 | EP0319808A1 Continuous-casting plant for strip |
| 06/14/1989 | CN1033356A New technology of combined casting and rolling of copper circular rod |
| 06/08/1989 | DE3738861A1 Method for stripping cooling water from rolls in rolling trains for steel and a stripper for carrying out the method |
| 06/01/1989 | DE3836534A1 Process for the manufacture of steel products by hot-forming |
| 05/31/1989 | EP0317841A2 Method of rolling bar sections, such as beams |
| 05/23/1989 | US4831854 Steel strip descaler |
| 05/17/1989 | EP0316072A2 Rolling mill apparatus |
| 05/17/1989 | CN1032911A Spring steel plate with trapezoid cross-section and plate spring with varying cross-section |
| 05/16/1989 | US4829656 Process for making hot-rolled steel strip |
| 05/10/1989 | EP0314935A2 Hot rolling of rods having helicoidal ribs |
| 05/03/1989 | EP0314667A1 Process and apparatus for manufacturing thin wires, rods, pipes or sections made of steels or alloys with a low deformability, particularly of hardenable steels |
| 05/03/1989 | EP0313930A2 Sizing mill and method of rolling a round bar material |
| 04/25/1989 | US4823585 Hot rolling method |
| 04/25/1989 | US4823584 Roll change arrangement for beam mill stand |
| 04/13/1989 | DE3733362A1 Profiled flat wire, in particular for grid-like frameworks (stands, supports) and grid-like cages |
| 04/12/1989 | EP0311126A2 Control method for plate material hot rolling equipment |
| 04/05/1989 | EP0310376A2 Rolling process for clad steel |
| 04/05/1989 | EP0309656A1 Roller hearth reheating furnace for continuously cast slabs |
| 04/05/1989 | CN2035281U Dual-roll obliquity continuous casting and rolling machine |
| 04/04/1989 | US4817703 Strip casing unit with downstream multi-stand continuous rolling mill |
| 03/29/1989 | CN2034879U Shape rolling mill |
| 03/29/1989 | CN1031951A Method of rail finishing |
| 03/22/1989 | EP0307606A2 Compact rolling mill train and method for rolling sections |
| 03/22/1989 | EP0307603A2 Wire-rolling mill |
| 03/22/1989 | CN1031806A Compact rolling mill and processing method for rolling sectional steel |
| 03/21/1989 | US4813257 Apparatus for rolling bar stock |
| 03/21/1989 | US4813256 Apparatus for axially positioning a roll of a rolling mill for making a metal profile or steel structural shape |
| 03/16/1989 | DE3809681C1 Plant for the production of hot-rolled steel |
| 03/15/1989 | EP0306887A1 Hot rolled concrete reinforcing rod, particularly a concrete ribbed bar |
| 03/15/1989 | CN1031724A Process for treatment of increasing corrosion resistance of rolled steel |
| 03/15/1989 | CN1031665A Manufacturing process for heat-exchanging plymetal with copper-clad pipe wall |
| 03/14/1989 | US4812365 Chrome oxide, epoxy resin |
| 03/14/1989 | US4811588 Shielding metal slabs from heat loss during transport |
| 03/14/1989 | EP0232331A4 Roll forming of metal articles. |
| 03/08/1989 | EP0306076A1 Method and apparatus for the manufacture of formable steel strip |
| 03/08/1989 | EP0305914A2 Process for the treatment of rolled steel for increasing corrosion resistance |
| 03/07/1989 | US4809528 Hot strip mill |
| 02/28/1989 | US4807458 Dividing gear unit for a roll block |
| 02/21/1989 | US4806731 Process for marking the surface of a rolling mill |
| 02/21/1989 | US4805492 Method for controlling a shape of a plate |
| 02/14/1989 | US4803864 Removable tunnel for maintaining the temperature of a product hot rolled in a continuous rolling train |
| 02/14/1989 | US4803863 Apparatus for rolling bar stock |
| 02/08/1989 | EP0302257A1 Equalization furnace for continuously cast billets |
| 02/08/1989 | EP0302151A1 Method of controlling strip crown in planetary rolling |
| 02/01/1989 | EP0301377A1 Conical sleeve for mounting a rolling ring |
| 01/31/1989 | US4800742 Rolling mill for making a rolled product, especially rolled strip |
| 01/26/1989 | DE3823767A1 Method and apparatus for controlling the profile and the flatness of metal strips in multi-stand rolling trains |
| 01/25/1989 | CN1030539A Rolling process for multi-roll and-layer cold-rolled sheeting band steel |
| 01/25/1989 | CN1030538A Rolling process for steel section |
| 01/19/1989 | DE3721746A1 Method and device for measuring the flatness of rolling strip in wide hot strip trains |
| 01/18/1989 | CN1030375A Multi-gauge bonding |
| 01/18/1989 | CN1030370A Roll stand having two or more couples of stand of rolls |
| 01/17/1989 | US4798772 Steel sheets for painting and a method of producing the same |
| 01/12/1989 | DE3819588A1 Compact rolling mill |
| 01/11/1989 | EP0298318A2 Roll stand with two or more pairs of roll housings |
| 01/10/1989 | US4796450 Apparatus for improving hot strip mill processing |