| Patents for B21B 31 - Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames (6,388) |
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| 10/22/2008 | CN201135996Y Fast roller-replacing device |
| 10/22/2008 | CN201135994Y Flat roll finishing mill for processing tube of cylinder |
| 10/22/2008 | CN201135993Y Three-high mill |
| 10/22/2008 | CN101291752A Device for making working roller suitable for rolling line |
| 10/22/2008 | CN101288879A Combination type pressing-down balancing device and its control method |
| 10/16/2008 | US20080250834 Roll Bending Device |
| 10/15/2008 | CN201132198Y Backing roll control device of rolling mill |
| 10/15/2008 | CN201132168Y Bumper pad for hot roll path |
| 10/14/2008 | US7434436 Multi-part roll stand for edgers in rolling mills |
| 10/08/2008 | EP1977838A1 Apparatus for urging an Oil Film Bearing onto and off of a Roll Neck in a Rolling Mill |
| 10/08/2008 | CN201129455Y Rolling engine oil film bearing seal device |
| 10/08/2008 | CN201127956Y Step pad of hot rolling mill fine rolling mill |
| 10/08/2008 | CN201127955Y Complete hydraulic pressing type six-roller cold calender |
| 10/08/2008 | CN201127954Y Up-down quick roll-changing railway in rolling mill |
| 10/08/2008 | CN201127953Y Roll-changing up-down railway of rolling mill work roll |
| 10/08/2008 | CN201127952Y Ball press roller sleeve compacting type assembling structure |
| 10/08/2008 | CN201127951Y Large-sized pipe fitting calender |
| 10/08/2008 | CN201127950Y Bearing bracket device of rolling mill working roll |
| 10/08/2008 | CN101279350A Horizontal type machine for rolling ring of flange |
| 10/08/2008 | CN101279327A Apparatus for urging an oil film bearing onto and off of a roll neck in a rolling mill |
| 10/08/2008 | CN100423860C Fastening apparatus and method |
| 10/01/2008 | CN201124186Y Spindle hydraulic bracket system |
| 10/01/2008 | CN201124185Y Hot milling roll with low vibration |
| 10/01/2008 | CN101277771A Roll stand provided with a displacement device |
| 10/01/2008 | CN101274333A 轧机油膜轴承 Oil film bearing |
| 09/25/2008 | US20080229958 Support Apparatus for Embossing Rolls and Method for the Replacement of the Same |
| 09/24/2008 | CN201120400Y Roll changer for rolling mill |
| 09/24/2008 | CN201120399Y Square frame loosening mechanism |
| 09/23/2008 | US7426844 Device for loading the guide surfaces of bearing chocks supported in the housing windows of rolling stands |
| 09/18/2008 | WO2008110243A1 Roller device |
| 09/18/2008 | DE202008008137U1 Rollenpresse mit Getriebekupplung Roller press with gear coupling |
| 09/18/2008 | CA2673740A1 Roller device |
| 09/17/2008 | EP1871549B1 Extractor |
| 09/17/2008 | EP1694448B1 Sealing device |
| 09/17/2008 | CN201115858Y Precision rolling up and down universal shaft hydraulic balance and roll-changing hydraulic fine adjustment device |
| 09/17/2008 | CN101264482A Series changing multi-stage rolling machine |
| 09/17/2008 | CN100418649C Device for rotationally locking a rolling mill roller mounted in bearing inserts in the stand windows of roll stands |
| 09/16/2008 | US7424816 Roll stand for rolling bar-shaped or tubular stock |
| 09/10/2008 | CN101260905A Slide guide pair assembled by rotating railroad shoe |
| 09/10/2008 | CN101259486A Multi-stand two-roller reducing mill |
| 09/04/2008 | US20080209970 Rolling Mill For Rolling Metallic Material |
| 09/03/2008 | EP1888266B1 Device for rotationally locking a rolling mill roller mounted in bearing inserts in the stand windows of roll stands |
| 09/03/2008 | CN201108918Y Bracket structure for thrust bearing of rolling mill working roller |
| 09/03/2008 | CN101254509A Hydraulic servo battery pole piece rolling mill |
| 09/03/2008 | CN100415399C Method and device for exchanging sets of rolls in rolling frames of a rolling mill |
| 09/03/2008 | CN100415398C Bearing serial roll system structure for rolling mill |
| 09/03/2008 | CN100415396C Method and casting roller plant for the semi-endless or endless rolling by casting of a metal |
| 08/28/2008 | US20080207420 Rolling mill oil film bearing sleeve with filled keyway |
| 08/27/2008 | EP1961500A1 Improved system for manufacturing welded pipes of different diameters |
| 08/27/2008 | CN201105286Y Improved structure of strip mill cylinder block |
| 08/27/2008 | CN201105285Y Novel rolling mill stepped shim device |
| 08/27/2008 | CN101249601A Rolling mill oil film bearing sleeve with filled keyway |
| 08/27/2008 | CN101249517A Convexity adjusting apparatus of multiple rollers cold calender |
| 08/27/2008 | CN101249516A Roller central line adjusting apparatus |
| 08/27/2008 | CN101249515A Hydraulic enclasp device |
| 08/27/2008 | CN101249514A 组装式二辊轧机 Assembled two-roll mill |
| 08/27/2008 | CN101249513A Quick decomposing roll changing rolling mill |
| 08/27/2008 | CN101249505A Roller device of cold calender |
| 08/27/2008 | CN100413609C Sealing device for cylinder bearings |
| 08/22/2008 | CA2618962A1 Rolling mill oil film bearing sleeve with filled keyway |
| 08/20/2008 | CN201103583Y Projection oil cylinder |
| 08/20/2008 | CN101244431A Main transmission belt support of edger mill |
| 08/13/2008 | EP1954417A1 Method of managing cylinders in a rolling facility and installation for implementing same |
| 08/13/2008 | EP1954416A1 Method and device for handling/transporting working rolls and/or support rolls |
| 08/13/2008 | CN201098700Y Bearing device for continuous casting and rolling mill supporting roller neck |
| 08/13/2008 | CN101239358A Double-roller casting rolling-hot continuous rolling method and equipment |
| 08/07/2008 | WO2008092616A1 Journal seal for rolling bearings |
| 08/06/2008 | EP1952901A1 Rolling mill oil film bearing |
| 08/06/2008 | EP1951453A1 Method and device for changing/transporting rolls |
| 08/06/2008 | EP1951452A1 Method and device for changing rolls |
| 08/06/2008 | CN201095034Y Device for replacing extrusion upper roller |
| 08/06/2008 | CN201094968Y Strip mill using combined type bending roller hydraulic cylinder |
| 08/06/2008 | CN201094967Y Eccentric bushing packing sheet |
| 08/06/2008 | CN101234398A Steel tube shaping machine for porous roller |
| 08/06/2008 | CN101234394A Active/passive cold rolling ribbed reinforcing bar producing device |
| 08/06/2008 | CN100408210C Device for pre-stressing tapered roller bearings of a rolling mill roller |
| 08/05/2008 | US7406853 Rolling machine and method thereof |
| 07/31/2008 | DE102008006626A1 Journal seal for bearing of roller, has bars in contact with ring projection in direct or indirect manner, and reinforcement element provided for reinforcement of body, where breadth of element is larger than outside clearance of bars |
| 07/31/2008 | DE102007004798A1 Roll stand e.g. thick plate roll stand, has tie-rods connected with each other at upper ends by head plate, which lies in threaded sleeve, and nut formed as milling top and inserted into head plate, which is centered at sleeve |
| 07/30/2008 | CN101232956A Rolling mill with stands with three adjustable rolls |
| 07/24/2008 | WO2008068404A3 Antiflexion profiling head and profiling machine equipped with the same<0} |
| 07/24/2008 | DE102007001527A1 Bearing arrangement for rotatably supporting e.g. roller, has inner chamber, where arrangement has small seal effect relative to leakage of substances from chamber than relative to penetration of substance from surroundings into chamber |
| 07/23/2008 | CN101224473A Metal plate straightener screw-down device |
| 07/16/2008 | EP1943032A1 Apparatus for adjusting working rolls to the rolling line |
| 07/16/2008 | EP1799457B1 Device with several rollers |
| 07/16/2008 | CN201086091Y Roller radii compensation adjustment device of multi-roller cold rolling mill |
| 07/16/2008 | CN101219436A Roll form regulating mechanism for twelve-roller controllable roll form roller mill |
| 07/16/2008 | CN100402877C Method and apparatus for lubricating a bearing assembly |
| 07/16/2008 | CN100402166C Leveling machine |
| 07/10/2008 | WO2008080376A1 Guiding device for the chocks of work rolls |
| 07/10/2008 | DE102007001322A1 Führungsvorrichtung für die Einbaustücke von Arbeitswalzen Guiding device for the chocks of work rolls |
| 07/10/2008 | CA2674126A1 Guide device for the chocks of work rolls |
| 07/09/2008 | EP1940567A1 Roll stand provided with a displacement device |
| 07/08/2008 | US7396021 Sealing device for roll bearings with compensation for rad |
| 07/03/2008 | DE102007061027A1 Method for deploying set of working rolls from frame with locomotive arranged in roll changing hole under plant floor, involves coupling used set of working rolls on locomotive |
| 07/02/2008 | CN201079801Y Roller replacing device for straightening machine |
| 06/25/2008 | CN201076870Y Phase regulating device for cross wedge rolling mill |
| 06/25/2008 | CN201076869Y Finishing mill worker roller transmission shaft holding device |
| 06/25/2008 | CN201076866Y All-purpose rolling mills |
| 06/25/2008 | CN100396392C Method of measuring misalignment of multi-stage rolling mill and measuring device therefor |