| Patents for B21B 31 - Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames (6,388) |
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| 02/11/2009 | CN201192696Y Fast roller replacing apparatus of cold-rolling mill |
| 02/11/2009 | CN101363474A Integral composite material self-lubricating plain bearing and method for the production thereof |
| 02/11/2009 | CN101362150A Double-roller casting rolling mill capable of arbitrarily adjusting roll gap |
| 02/11/2009 | CN100460699C Oil film bearing with compact hydraulic mechanism |
| 02/11/2009 | CN100460098C Method of raising response frequency of high pressure servo system in rolling machine |
| 02/11/2009 | CN100460097C Device for installing and removing a bearing unit supporting roller |
| 02/04/2009 | CN201189546Y Triangular groove helical reinforcement bar producing device and triangular groove helical reinforcement bar thereof |
| 02/04/2009 | CN101360570A Method and device for handling/transporting working rolls and/or support rolls |
| 02/04/2009 | CN101360569A Method and device for changing rolls |
| 02/04/2009 | CN101357370A Device for roller frame containing roller mounting seat and roller and roller frame |
| 01/28/2009 | CN201186295Y Roll gap adjusting apparatus of hot continuous rolling vertical roller mill at roughing section |
| 01/28/2009 | CN201186294Y Claw device of roll changing trolley with flexible connection |
| 01/28/2009 | CN201186293Y Rolling mill capable of quickly changing roll in splitting mode |
| 01/28/2009 | CN201186292Y Slide guide pair assembled with rotating railroad shoe |
| 01/28/2009 | CN201186285Y Hot rolling double-machine frame reversible tandem rolling machine group |
| 01/28/2009 | CN101352732A Upper back-up roll extractor of cluster roll |
| 01/28/2009 | CN101352731A Lower back-up roll extractor of cluster roll |
| 01/28/2009 | CN101352730A Floating type equipment for enclasping spindle nose |
| 01/22/2009 | US20090019909 Method and device for handling/transporting working rolls and/or support rolls |
| 01/22/2009 | US20090019908 Method and bending device for bending a sheet metal part |
| 01/21/2009 | CN201183063Y Convexity adjusting apparatus of multi-roller cold rolling mill |
| 01/21/2009 | CN201183062Y Rapid reset device for lower bending roller of tension leveller |
| 01/21/2009 | CN201183058Y Knife blank mould roller and rolling mill equipped therewith |
| 01/21/2009 | CN201183056Y Roll balance gear of cold rolling mill |
| 01/21/2009 | CN201183055Y Roller apparatus of cold rolling mill |
| 01/21/2009 | CN101347795A Regulation means of rolling specs replacement of tandem mill |
| 01/21/2009 | CN101347791A Strip mill of thin film |
| 01/20/2009 | US7478664 Method and continuous casting and rolling plant for semi-endless or endless rolling by casting a metal strand, especially a steel strand, which is cut to length as required after solidification |
| 01/15/2009 | US20090013745 Method of and Device for Exchanging Sets of Rolls |
| 01/14/2009 | CN201179526Y Roll shifting apparatus for working roll of roller mill |
| 01/14/2009 | CN201179522Y Universal roller mill |
| 01/14/2009 | CN101346195A Device for rotationally locking the supporting roll balanced architecture of roll stands |
| 01/14/2009 | CN101342543A Fourteen-roller strip mill |
| 01/14/2009 | CN100450652C Platform for industrial installations, particularly for high-pressure descalers, emergency shears and pendulum shears in rolling trains or the like |
| 01/13/2009 | US7475582 Changeover system and changeover method for a metal forming mill |
| 01/07/2009 | CN201175738Y Metal plate-belt straightening machine holding-down device |
| 01/07/2009 | CN201175719Y Hydraulic pressure servo battery pole piece rolling mill |
| 01/07/2009 | CN101337234A Sheet-band continuous casting and rolling four high finishing roll line |
| 12/31/2008 | CN201172066Y Roller center line adjustment device |
| 12/31/2008 | CN201172065Y Novel multi-roll mill middle roller shifter |
| 12/31/2008 | CN201172064Y Height adjustment device of finish rolling line |
| 12/31/2008 | CN201172063Y Hydraulic enclasping device |
| 12/31/2008 | CN201172062Y Multimachine bi-roller reducing mill |
| 12/31/2008 | CN201172057Y Universal mill |
| 12/31/2008 | CN101336143A Method of managing cylinders in a rolling facility and installation for implementing same |
| 12/31/2008 | CN101332470A Adjustment method of height of rolling line |
| 12/31/2008 | CN101332468A Core roller quick replacement device |
| 12/30/2008 | US7469566 Roll stand |
| 12/24/2008 | EP1915223B1 Rolling mill with stands with three adjustable rolls |
| 12/24/2008 | CN201168725Y High precision shaft bushing clearance adjusting apparatus |
| 12/24/2008 | CN201168724Y Easy-to-detach apparatus |
| 12/24/2008 | CN201168723Y Adjustable rolling mill base supporting device |
| 12/24/2008 | CN201168722Y Assembly type two-roller mill |
| 12/24/2008 | CN201168721Y Work roll hold-down cylinder apparatus on four-roller mill |
| 12/24/2008 | CN201168718Y Active passive type cold rolling rib reinforced bar production apparatus |
| 12/23/2008 | US7467796 Bearing seal with flexible lip |
| 12/23/2008 | US7467533 Method and apparatus for rapidly changing a working roll of a roll stand |
| 12/18/2008 | WO2008151698A1 Device for supplying lubricant and bearing assembly therewith |
| 12/18/2008 | US20080307630 Hemming Working Method and Working Apparatus |
| 12/17/2008 | CN201164894Y Cold rolling roundness roller adjusting apparatus |
| 12/17/2008 | CN201164857Y Hot continuous rolling-roughing mill hydraulic push up apparatus |
| 12/17/2008 | CN201164856Y Combined memorial archway |
| 12/17/2008 | CN201164855Y Heavy and medium plate mill breast roll apparatus |
| 12/17/2008 | CN201164854Y Intermediate roll axial locking device |
| 12/17/2008 | CN201164853Y Press type AGC cylinder fixing and changing apparatus |
| 12/17/2008 | CN101322981A Vertical roller mill with side shifting roll-changer |
| 12/11/2008 | WO2008148767A1 System for changing a roller |
| 12/10/2008 | CN101318201A Elastic automatic pressure-adjusting and diameter-adjusting apparatus for high-frequency pipe-welding machine plain-barreled roll |
| 12/10/2008 | CN100441327C Instrument and process for regulating roller system of vertical wheel rolling mill |
| 12/09/2008 | CA2550184C Oil film bearing with compact hydraulic mount |
| 12/09/2008 | CA2465170C Triple bearing arrangement for cantilevered roll shafts |
| 12/04/2008 | WO2008145355A1 Straightening machine having a straightening roller rapid-change system, and a method for rapidly changing straightening rollers of a straightening machine |
| 12/03/2008 | CN101314164A Sheet metal processor |
| 11/26/2008 | EP1761345B1 Device for impinging the guide surfaces of bearing inserts guided in stand windows of roll stands |
| 11/26/2008 | CN201154369Y Device for adjusting principal axis centre distance |
| 11/19/2008 | CN201150935Y Dual-power roller variable speed and variable wheelbase shaped roll device |
| 11/19/2008 | CN201150933Y Full-automatic mill line elevation adjusting device |
| 11/19/2008 | CN201150932Y Main drive spindle carrier device of jobbing sheet-rolling mill |
| 11/19/2008 | CN201150927Y High-rigidity roller series structure of twenty high roll mill |
| 11/19/2008 | CN101309764A Extractor |
| 11/19/2008 | CN101306437A Combined type pressure balancing device with fixed hook and control method |
| 11/19/2008 | CN100434736C Device for sealing the ball side of a bearing of a roller stud |
| 11/18/2008 | US7451945 Single-sided, double hinged frame for roller presses |
| 11/18/2008 | CA2512006C Bearing seal with flexible lip |
| 11/13/2008 | US20080276996 Platform for Industrial Installations, Particulary for High-Pressure Descalers, Emergency Shears and Pendulum Shears in Rolling Mill Trains or the Like |
| 11/12/2008 | CN201147812Y Backing roll control device for cold rolling machine |
| 11/12/2008 | CN201147772Y Quick-lift attachment of three-roll skew rolling pipe mill |
| 11/12/2008 | CN201147771Y Universal rolling mill reducing press load and preventing horizontal roll gap central line offset |
| 11/12/2008 | CN201147770Y Collet open and close mechanism of cam type automatic lathe |
| 11/12/2008 | CN201147769Y Tandem mill swing arm center distance adjusting apparatus |
| 11/12/2008 | CN201147768Y Rolling mill vertical roll shaft anti-circumferential rotation structure |
| 11/05/2008 | CN201143516Y On-line quick regulating mechanism for roll changing platform |
| 11/05/2008 | CN101298083A Combined hold-down and balancing device with guide pulley hook and control method |
| 10/30/2008 | WO2008128417A1 Seamless steel tube four-roller-type heat sizing mill |
| 10/29/2008 | CN201140199Y Holding-down device of the metal plate bands straightening press |
| 10/29/2008 | CN201140198Y Roller mill |
| 10/29/2008 | CN201140197Y Wire rod bar blooming mill apparatus |
| 10/29/2008 | CN101293260A Hydraulic control method and apparatus of combined hydraulic cylinder with bowed roll |
| 10/22/2008 | CN201135998Y Device for adjusting work roll of rolling mill |
| 10/22/2008 | CN201135997Y Hydraulic roller-bending device |