| Patents for B21B 27 - Rolls; Lubricating, cooling or heating rolls while in use (5,631) |
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| 08/19/2009 | CN101507973A Seamless-tube rolling mill pass |
| 08/19/2009 | CN100528388C Method and device for cooling and/or lubricating cylinders and/or rolling stock |
| 08/13/2009 | WO2009099214A1 Rolling mill |
| 08/12/2009 | EP1679136B1 Method of manufacturing seamless tube by three-roll mandrel mill |
| 08/12/2009 | CN201287138Y Rotation prevention structure of aluminum strip casting-rolling device casting-rolling roller oil-way dispenser |
| 08/12/2009 | CN201287137Y Improved rotary joint for aluminum cold-strip mill rotation oil-cylinder |
| 08/12/2009 | CN101502845A Corner rolling technique for bar material |
| 08/06/2009 | WO2009094848A1 A profiled steel used for magnetic suspension train rail and rolling procedures thereof |
| 08/06/2009 | US20090193645 Method for continuous casting and rolling at increased casting speed followed by hot rolling of relatively thin metal strands, especially steel strands, and a continuous casting and rolling installation |
| 08/05/2009 | EP2085158A1 Mandrel mill, its operating method, and seamless pipe manufacturing method |
| 08/05/2009 | EP1753555B1 Method and device for mounting and functional verification of roll fittings in roll stands such as rolling trains in tandem |
| 08/05/2009 | CN201283500Y 压延机 Rolling mill |
| 08/05/2009 | CN201283366Y Guide and guard for heavy and medium plate mill |
| 08/05/2009 | CN101500720A Mastering tools and systems and methods for forming a cell on the mastering tools |
| 08/05/2009 | CN101497083A Method and device for forming an endless metal belt provided with a surface profile |
| 07/30/2009 | WO2009093806A2 Cooling roll for crown control of roll and control method thereof |
| 07/30/2009 | WO2009093510A1 Rolling mill, and tandem rolling mill having the same |
| 07/30/2009 | WO2009093509A1 Rolling mill, and tandem rolling mill having the same |
| 07/29/2009 | CN201279525Y Sandwell rolling-mill oil-injection guide plate |
| 07/29/2009 | CN201279524Y Composite roll |
| 07/29/2009 | CN100518972C Splitting roller for rolling rod |
| 07/22/2009 | EP2079553A1 Rolling stand with supporting and/or working rolls for rolling metal sheets or strips |
| 07/22/2009 | CN101486045A Intermediate frequency induction heating type hot double-roll reversing roller and rolling method |
| 07/21/2009 | US7562549 Device and method for producing tooth-like profiled sections on workpieces |
| 07/15/2009 | EP2078101A2 Articles having improved resistance to thermal cracking |
| 07/15/2009 | CN201271651Y Intermediate roll |
| 07/15/2009 | CN101480663A High-alloy centrifugal compound cast steel supporting roll and manufacturing technology thereof |
| 07/09/2009 | WO2009084148A1 Roller for machining metal foil |
| 07/08/2009 | CN101474635A Middle mold cover special-shaped ring forgeable piece fixture of automobile tire mold |
| 07/02/2009 | WO2009082095A2 Side rolling roller and rolling method using the same |
| 07/01/2009 | CN201264037Y Emulsified mixture injection device for cold rolling composite production chain |
| 07/01/2009 | CN201264036Y Collector and arrangement for lubricating hot-rolling roll containing the collector |
| 07/01/2009 | CN201264035Y Novel roughing mill vertical roll |
| 07/01/2009 | CN100506411C Installation for cutting through water of worker rollers of heavy plate mill |
| 07/01/2009 | CN100506410C High hardness fracture-proof type roll able to quickly change its surface |
| 06/30/2009 | US7552611 Sheet processing apparatus, method of use, and plastically deformed sheet |
| 06/24/2009 | CN201261026Y Concave roll for roller mill |
| 06/24/2009 | CN101462124A Roller with board convexity capable of being adjusted on-line |
| 06/23/2009 | CA2366097C Method and arrangement for pumping material |
| 06/18/2009 | US20090151415 Method for feeding lubricant during a hot rolling process |
| 06/17/2009 | CN100500314C Compliant pressure roller with uniform nip pressure |
| 06/10/2009 | EP1838469B1 Support roll for a rolling mill |
| 06/10/2009 | CN201253629Y Double-pipe rotary joint for rolling mill |
| 06/10/2009 | CN101450351A Pass positioning method of rolling-mill roller |
| 06/03/2009 | CN101444794A Explosive-welded 3Cr13Mo/42CrMo abrasion resistant and corrosion resistant composite roll |
| 06/02/2009 | US7540179 Method for producing longitudinal grooves in cylindrical workpieces |
| 05/27/2009 | CN201244577Y Collector and arrangement for lubricating hot-rolling roll containing the collector |
| 05/27/2009 | CN201244576Y Automatic interfacing apparatus of oil-gas lubrication of work roll |
| 05/27/2009 | CN201244575Y Roll profile of rotary rolling pipe mill |
| 05/27/2009 | CN201244574Y Roller with surface as combined contour line |
| 05/27/2009 | CN201244573Y Universal rolling mill vertical roll hole type |
| 05/27/2009 | CN101443134A Roll, rolling mill and rolling method |
| 05/27/2009 | CN101439351A Centrifugal casting production method of high-boron high-speed steel composite roller |
| 05/27/2009 | CN101439349A Roll milling apparatus and method for obtaining material complex tissue |
| 05/27/2009 | CN100493267C Resistive heaters and uses thereof |
| 05/27/2009 | CN100491564C Alloy plate strip for hand phone battery case and manufacturing method thereof |
| 05/21/2009 | US20090126439 Cooling device and cooling method for hot strip |
| 05/20/2009 | CN201241954Y Seal components of roller |
| 05/20/2009 | CN201239739Y Protector for roller set case stand |
| 05/20/2009 | CN201239737Y Novel connecting rod type roll bearing oil gas lubrication apparatus |
| 05/20/2009 | CN201239736Y Roller of heavy caliber thin wall seamless steel pipe cold rolling mill |
| 05/20/2009 | CN101433913A Gear ring special-shaped ring forging fixture for transmission components of large-sized engineering machinery |
| 05/20/2009 | CN101433912A High-rigidity roll system structure of twenty-high roll mill |
| 05/20/2009 | CN101433908A Equipment used in tandem rolling production line for rolling metallic rod wire |
| 05/13/2009 | CN201235368Y Roller for rolling scratch board steel |
| 05/13/2009 | CN101432083A Low surface roughness cast strip and method and apparatus for making the same |
| 05/13/2009 | CN101428305A Process for manufacturing copper iron alloy plate (row, stick, tube) |
| 05/13/2009 | CN100486754C Rolling forming process for large hollow disc forging |
| 05/13/2009 | CN100486724C Method for supplying lubricating oil in cold rolling |
| 05/07/2009 | US20090114638 Apparatus and method for effectuating temperature control in roller grills |
| 05/07/2009 | DE102007053210A1 Ringwalze Ring roller |
| 05/06/2009 | CN201231247Y Technological lubrication stepped cooling device of rolling device |
| 05/06/2009 | CN201231246Y Working roller for controlling strip-steel edge-drop |
| 05/06/2009 | CN100484693C Manufacturing method of blade steel plate |
| 04/30/2009 | DE19936010B4 Verfahren und Vorrichtung zum Unterdrücken von Zunderbildung insbesondere Sekundärzunder beim Warmwalzen von Brammen Method and apparatus for suppressing the formation of scale, in particular secondary scale during hot-rolling of slabs |
| 04/29/2009 | EP2052795A1 Method for producing seamless pipe |
| 04/29/2009 | CN201227656Y Intermediate frequency quenching hard-face strain roll |
| 04/29/2009 | CN201227655Y Strain roll for hard-face surfacing welding |
| 04/29/2009 | CN201227645Y Leak-proof plate for lubricating or cooling roll capable of split replacement |
| 04/29/2009 | CN201227644Y Rolling oil lubrication apparatus for heavy and medium plate mill |
| 04/29/2009 | CN201227641Y Cold rolling ribbed bar continuous production apparatus |
| 04/29/2009 | CN101417403A Method for grinding and processing Sendzimer roller |
| 04/29/2009 | CN101417380A Manufacture method of composite roller for rolling narrow strip |
| 04/29/2009 | CN100482365C Apparatus for cleaning and lubricating roller |
| 04/28/2009 | US7523635 Method of producing wheel and the wheel |
| 04/28/2009 | US7523631 Cooling device, manufacturing method, and manufacturing line for hot rolled steel band |
| 04/22/2009 | EP2050518A1 Method, and apparatus, for piercing and rolling seamless pipe |
| 04/22/2009 | CN201225503Y Lubricant oil filter |
| 04/22/2009 | CN201224752Y Apparatus for preventing crack of two intermediate roll drive teeth of rolling mill |
| 04/22/2009 | CN201223878Y Roller preheating device |
| 04/22/2009 | CN201223877Y Major diameter hollow roll |
| 04/22/2009 | CN101412105A Method for producing wear-resistant composite roller |
| 04/22/2009 | CN101412096A Method for preparing primary column/ribbon hard point composite wear-resistant roller |
| 04/22/2009 | CN101412050A Abrasion-proof cast iron roll collar for straightening steel rail and preparation method thereof |
| 04/22/2009 | CN100479979C Producing technology for large size copper heterotype plate |
| 04/22/2009 | CN100479940C Technology for repairing semi-steel roller with flux-core welding wire built-up welding |
| 04/16/2009 | WO2009046505A1 Spray lubrication unit and method for rolling cylinders |
| 04/15/2009 | CN101410196A Process for manufacturing a seamless tube |
| 04/15/2009 | CN101410194A Cold finish seamless steel pipe for drive shaft and method for producing the same |
| 04/15/2009 | CN101406922A Method for producing grinding ball and rotary cutting and roll forging machine for producing grinding ball |