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| Number | Title | Issue Date |
| 8186198 | Rolling installation The invention relates to a rolling installation comprising a roll stand (110) for rolling a metal strip and a suction device (120) for sucking polluted air from the immediate environment of the metal strip to be rolled. The aim of the invention is to s... | 05/29/2012 |
| 8051693 | Device for mounting and functional verification of roll fittings in rolling mill stands or rolling mill trains such as, e.g., tandem rolling mill trains In a device for mounting and functional verification of roll fittings (4) in rolling mill stands (1), at least a partial number of the roll fittings (4) forms a respective module (5), and the modules (5) are arranged, for pre-assem... | 11/08/2011 |
| 8001820 | Method for lubricating and cooling rollers and metal strips on rolling in particular on cold rolling of metal strips The invention relates to a method for lubricating and cooling rollers (3,4,5,6) and metal strips (2) on rolling in particular, on cold rolling of metal strips (2), wherein, on the inlet side (7a) a minimal amount of pure lubricant ... | 08/23/2011 |
| 7836742 | Device for sealing the ball side of a bearing of a roller stud The invention relates to a device (1) for sealing the ball side of a bearing of a roller journal (2), comprising a journal bushing (3) which is drawn to the roller journal (2), said journal bushing being associated with a bearing ring ( | 11/23/2010 |
| 7677072 | Method of and apparatus for strip blow-off The invention relates to a method of strip blow-off at an exit of rolling mills for producing a spotless and clean rolled strip, according to which the strip (5) is blown off with at least one nozzle (16) arranged above the upper side (14) of th... | 03/16/2010 |
| 7631530 | Aluminum pipe production method The invention is directed to a aluminum pipe production method comprising an extrusion step for obtaining an aluminum raw pipe (10) and a drawing step for executing a drawing process of the aluminum raw pipe (10). Before executing the drawing step a sl... | 12/15/2009 |
| 7461532 | Monitoring and alarm system for rolling mill oil film bearings A monitoring and alarm system is disclosed for a rolling mill in which oil is pumped from a reservoir via feed piping and branch feed lines to oil film bearings and oil is returned from the bearings via branch drain lines and return piping to the reservoir. The syst... | 12/09/2008 |
| 7434435 | Method and device for applying an adjustable tensile-stress distribution, in particular in the edge regions of cold-rolled metal strips The invention relates to a method and a device for applying an adjustable tensile-stress distribution, in particular in the edge regions during the cold-rolling of metal strips (16), in particular metal foil, in order to reduce the risk of an excessive build-... | 10/14/2008 |
| 7357011 | Method and apparatus for manufacturing metal strips The invention concerns a method for producing metal strip (1) in an installation (2), in which a metal strand, especially a thin slab, is brought to a desired temperature and/or is maintained at a desired temperature in a furnace (3, 3a, ... | 04/15/2008 |
| 7350388 | Method for determining shape of shift roll for rolling mill A method for determining a shape of a shift roll for a rolling mill, includes the steps of determining a necessary control amount distribution αi for a plate crown with respect to plate widths, based on a distribution of the number of plates rolled by a ... | 04/01/2008 |
| 7343767 | Roller tool for the linear deformation of sheet metal and sheet deformation facility having such a roller tool A roller tool is used within a sheet deformation facility for the linear deformation of sheet metal. The roller tool comprises a press roller having a shaft and a roller body rolling around the same as well as a counterbody. The press roller and the counterbody can ... | 03/18/2008 |
| 7322221 | Device for applying lubricants on the peripheral surfaces of rollers in roll stands The invention relates to a device for applying lubricants on the peripheral surfaces of rollers in roll stands for rolling strips, more particularly multiple roll stands with support rollers and working rollers (SW; AW), wherein the lubricants are applied in an area... | 01/29/2008 |
| 7308812 | Process for producing seamless steel pipe A process for producing a seamless steel pipe, in which the occurrence of inner surface flaws in the pipe can be reduced through the lowering of the friction coefficient during the elongation rolling by means of a mandrel mill is provided. The reduction of inner sur... | 12/18/2007 |
| 7305859 | Rolling mill The rolling mill comprises a pair of work rolls for rolling a plate material in the thickness direction, a guide for guiding the leading end of the plate material between the work rolls, and a rolling oil supply member for supplying rolling oil between the work roll... | 12/11/2007 |
| 7266984 | Method and nozzle arrangement for a variable-width lubrication of the rolling-nip of a rolling stand The invention relates to a method for lubricating rolls, in particular for lubricating a rolling nip in rolling stands for rolled strips. According to the invention, said lubrication takes place using an oil-in-water dispersion whilst maintaining both a predetermine... | 09/11/2007 |
| 7260968 | Combined use of oil and emulsion for the cold rolling of strip An installation for cold-rolling strip composed of special steel and/or nonferrous metals, which includes a multi-stand tandem rolling mill and essentially two independent coolant and lubricant systems. The installation further includes an emulsion system with tanks... | 08/28/2007 |
| 7213432 | Hot rolling installation A hot rolling installation should be constructed and able to be operated so that strips of materials, which can be shaped with different levels of difficulty and have a thickness of less than 1 mm, can be rolled. According to the invention, strip speeds of 15 m/sec ... | 05/08/2007 |
| 7204111 | Lubricated hot rolling method An exemplary lubricated hot rolling method is provided which can use a lubricating oil containing, e.g., one or more kinds among an high-basic alkaline-earth metal phenate, high-basic alkaline-earth metal carboxylate, high-basic alkaline-earth salicylate, or high-ba... | 04/17/2007 |
| 7204110 | Hot die cleaning system for quick plastic forming cell A cleaning apparatus for removing metallic buildup from forming surfaces of metal forming dies while the dies are in a press and operating at elevated temperatures. The cleaning apparatus includes a programmable positioner having a robotic arm with an end effector c... | 04/17/2007 |
| 7181943 | Descaling method for strip-rolling mill Strip is descaled in a rolling line having a scale scrubber and a finishing line downstream of the scale scrubber. The strip is sprayed with water on its upper and under sides at a descaling pressure in the scale scrubber. In the scrubber the strip is treated with w... | 02/27/2007 |
| 7159433 | Method and device for cooling and lubricating rollers on a rolling stand The invention relates to a method and a device for cooling and/or lubricating rollers, in particular the working rollers (2, 3) on a rolling stand and a rolled strip (1), rolled between the above rollers and transported onwards, using water in the form... | 01/09/2007 |
| 7043953 | X-H rolling method for parallel-flange steel sections (supports) A method of X-H rolling of a parallel flange steel structural shape or beam with an H cross section using a compact rolling group. In the first universal mill frame the vertical roll have roll surfaces inclined to one another at an angle up to 10° whereas in the se... | 05/16/2006 |
| 7032403 | Method of controlling spray distances in a spray unit A method of controlling spray distances in a spray unit for efficiently thermally managing one or more electronic devices. The method of controlling spray distances in a spray unit includes a first portion and a second portion positioned with the first portion. The ... | 04/25/2006 |
| 7028523 | Rails for supplying media The invention relates to a device which enables the actuators and consumers provided on a roll stand for rolling metallic and non-metallic strips to be supplied with operating media. The inventive device comprises a self-supporting construction module consisting of ... | 04/18/2006 |
| 7021104 | Device to absorb the axial loads generated on the rolls in a rolling stand Device to absorb the axial loads generated on the rolls in a rolling stand (11) having a pair of working rolls (12a, 12b), a corresponding pair of back-up rolls (15a, 15b) and at least an intermediate ro... | 04/04/2006 |
| 7006213 | Method for inspecting the surface of a roll cylinder and device therefor In a process for the inspection of the surface of a cylindrical body and more especially that of a mill roll, at least one zone of the surface is observed by means of an inspection device having an optical axis oriented towards this zone of the surface with a view t... | 02/28/2006 |
| 6948346 | Method for specifically adjusting the surface structure of rolling stock during cold rolling in skin pass mills The invention relates to a method for specifically adjusting the surface structure of rolling stock (3) during cold rolling in skin pass mills. The aim of the invention is to partially transfer the surface structure of the working roll (2) onto the rol... | 09/27/2005 |
| 6920774 | Drive system for multi-roll leveler A drive system for a multi-roll leveler. The drive system is coupled to a set of upper work rolls of the leveler. Preferably, the lower, and not the upper set of work rolls provide the bending necessary to flatten the strip of material. The drive system employs a ge... | 07/26/2005 |
| 6866270 | Sealing device for cylinder bearings A C-section ring fixed on a steel-mill roll and coaxially surrounding its stub has inner and outer axially extending legs defining an axially open cavity. The inner leg is tapered away from the roll and is formed adjacent the free end with a radially outwardly open ... | 03/15/2005 |
| 6807836 | Method of applying a surface finish on a metal substrate and method of preparing work rolls for applying the surface finish The method of preparing cold mill work rolls for forming a surface finish on a metal substrate includes the steps of placing a work roll on a grinder, truing the work roll, roughening the work roll, and performing at least one finishing pass on the work roll. The me... | 10/26/2004 |
| 6708547 | Rolling mill and rolling method There are disclosed a rolling mill capable of keeping a uniform plate of thickness distribution and manufacturing a good-quality plate, and a rolling method. The rolling mill comprises working rolls movable in roll axis directions, profile-measuring means for measur... | 03/23/2004 |
| 6598448 | Roller cooling and lubricating device for cold rolling mills such as thin strip and foil rolling mills A cooling and lubricating device for rollers of a cold rolling mill with one or more roll stands for controlling strip tensile stress of the strip across the width by changing the effective roll barrel diameter and/or the roller lubrication with a control... | 07/29/2003 |
| 6581429 | Strip wiper device, strip wiping method, rolling mill and rolling method To improve the productivity of the cold rolling facility by providing the cold rolling facility with a strip wiper free of dust and foreign matters suitable for high-speed rolling. The wiping ability was greatly improved by floating and supporting the wip... | 06/24/2003 |
| 6499328 | Cooling device for rolling rings and relative method A device and method for cooling rolling rings or rolls in a rolling stand for long products. The stand including supporting chocks for the rolls and equipment to deliver a cooling fluid onto the surface of the rings or rolls. The equipment for delivering ... | 12/31/2002 |
| 6497127 | Method for supplying rolling oil for cold rolling A method for supplying rolling oil for cold rolling is provided wherein emulsion rolling oil is supplied using both: (i) a first rolling oil supply system for sypplying the emulsion rolling oil to a roll and a steel sheet being rolled in a recirculation m... | 12/24/2002 |
| 6490903 | Method and a device for thermal control of the profile of a roll in a mill The invention relates to a method for thermal control of the profile of a roll in a mill by spraying, over a cooled zone (4) of the roll (1), a series of jets of fluid (J), each forming an oblong impact surface (S). According to the invention, the distanc... | 12/10/2002 |
| 6450000 | Roller cooling and lubricating device for cold rolling mills such as thin strip and foil rolling mills A cooling and lubricating device for a cold rolling mill has nozzle beams with spray nozzles for individual rollers that are moveable relative to the rollers independently of one another transverse to the strip running direction. Rotary and linear drives ... | 09/17/2002 |
| 6408666 | Rolling mill and rolling method There are disclosed a rolling mill capable of keeping a uniform plate thickness distribution and manufacturing a good-quality plate, and a rolling method. The rolling mill comprises working rolls movable in roll axis directions, profile-measuring means fo... | 06/25/2002 |
| 6276183 | Method to reduce and eliminate vibrations in a rolling stand and relative device Method and device to reduce and eliminate vibrations in a rolling stand for plane rolled products comprising working rolls associated with by motor a kinematic chain, there being included nozzles to deliver a mixture of water and lubricant to the surface ... | 08/21/2001 |
| 6266985 | Method for improving lubrication in rolling The invention relates to a method for improving the lubrication of the edges and ends of objects to be rolled, particularly hot rolled, said objects consisting of essentially planar surfaces and being for example metal sheets or strips. According to the i... | 07/31/2001 |
