| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 072226000 | Plural roller-couples (e.g., successively or optionally usable) | 37 |
| 20100162784 | FLATTENING DEVICE - A flattening device for flattening a metal workpiece includes a frame; a first tightening assembly at a first end of the frame; a second tightening assembly at a second end of the frame; a series of work rollers interposed between the first tightening assembly and the second tightening assembly, wherein the work rollers include a first upper roller and a second upper roller, and a third, lower roller offset and interposed between the first and second upper rollers; wherein the upper and lower rollers accommodate bends in the workpiece of up to five yield stresses. | 07-01-2010 |
| 20110011145 | Method for producing profile sealing rings - A method for producing profile sealing rings, in particular in a C-, V-, or U-shape, in which a profile strand ( | 01-20-2011 |
| 20110113847 | CLUSTER-TYPE MULTISTAGE ROLLING MILL - A cluster-type multistage rolling mill includes: a top inner housing housing a top roll group; a bottom inner housing housing a bottom roll group; an entry-side outer housing provided at entry sides of the inner housings and having an opening portion which a strip is allowed to pass through; a delivery-side outer housing provided at delivery sides of the inner housings and having an opening portion which the strip is allowed to pass through; sets of pass line adjusters provided in upper portions of the opening portions, and pressing an entry-side pressing portion and a delivery-side pressing portion of the top inner housing, respectively; and sets of roll gap controlling cylinders provided in lower portions of the opening portions, and pressing an entry-side pressing portion and a delivery-side pressing portion of the bottom inner housing, respectively. | 05-19-2011 |
| 20120103048 | Rolling mill, roll stand, as well as method for replacing roll stands in a rolling mill - In order to allow simple replacement of the roll stands in the case of a rolling mill for rolling elongated material, having multiple roll stands disposed in a line, forming a central caliber opening, wherein the roll stands are disposed in a stand position, in each instance, and can be displaced into at least one change position, in each instance, each stand position has an intake coupling, and the intake coupling has a coupling part on the roll stand side, as well as a coupling part on the drive side, wherein the drive-side coupling part is provided in axially fixed manner on the stand position. | 05-03-2012 |
| 20120103049 | ROLLING PROCESS AND RELATING LONGITUDINAL, MULTI-STAND ROLLING MILL OF CONTINUOUS, RESTRAINED TYPE FOR HOLLOW BODIES - A longitudinal, multi-stand rolling mill of the continuous, restrained type for rolling hollow bodies is described, which comprises a main rolling mill ( | 05-03-2012 |
| 20130167609 | MACHINE FOR DEEP-ROLLING AXLES - The invention relates to a machine, in particular a machine tool ( | 07-04-2013 |
| 20140283572 | DEVICE AND METHOD FOR MANUFACTURING A METAL WHEEL - A device for manufacturing a metal wheel ( | 09-25-2014 |
| 20140298876 | ROLL-FORMING MACHINE AND METHOD FOR ROLL-FORMING - A roll-forming machine has a stand ( | 10-09-2014 |
| 20150089988 | ROLL CHANGE APPARATUS - A rolling machine has pairs of rolls in a horizontal line of roll pair locations, with each pair including upper and lower rolls opposed across a vertical gap. A sliding frame is mounted on the rolling machine for movement alongside the rolling machine in a direction parallel to the line of roll pair locations. A lifting frame is mounted on the sliding frame for movement vertically relative to the sliding frame beside each of the roll pair locations. Other parts include a roll cassette and a load tray. The load tray is configured to carry the roll cassette, and is mounted on the lifting frame for movement relative to the lifting frame transversely into the vertical gap between the rolls at each roll pair location. | 04-02-2015 |
| 072227000 | With material-handling between successive couples | 7 |
| 20100095728 | VESSEL FORMING STATION - An embodiment of the present invention is a vessel forming station comprising a plurality of operation wheels, the plurality of operation wheels are configured in opposing facing pairs, a plurality of linear drives are interconnected with the plurality of operation wheels, the plurality of linear drives push opposing facing pairs of the plurality of operations to a closed position causing opposing facing pairs of the operation wheels to engage the vessel and perform operations on the vessel, the linear drives pull the plurality of operation wheels to an open position allowing the vessel to be indexed to other operation positions, and a conveyor system positioned between opposing facing pairs of the plurality of operation wheels engages the vessel and indexes the vessel through the plurality of operations. | 04-22-2010 |
| 20110113848 | METHODS FOR REDUCING RIDGE BUCKLES AND ANNEALING STICKERS IN COLD ROLLED STRIP AND RIDGE-FLATTENING SKIN PASS MILL - A method for flattening steel strip by cold rolling the strip by passing it through at least two cold rolling mill stands each having work rolls. A first of the mill stands has work rolls having local rigidity K significantly different from a second mill stand, wherein the local rigidity K is calculated in Kgf/mm/mm accordance with an equation. Also a six high mill for flattening steel strip has an entry side where the strip enters the mill and an exit side where the strip exits the mill. The mill comprises a pair of driven backup rolls disposed on the entry side of the mill, a pair of horizontal support rolls disposed on the exit side of the mill and a pair of small diameter work rolls, the work rolls having an entry side face and an exit side face. The work rolls are disposed between the pair of backup rolls and the pair of support rolls. The entry side face of the work rolls is in engagement with the backup rolls during operation and the exit side face of the work rolls is in engagement with the support rolls during operation. | 05-19-2011 |
| 20140298877 | Method, computer program and rolling mill train for rolling a metal strip - The invention relates to a method, a computer program and a rolling mill train for cold rolling a metal strip ( | 10-09-2014 |
| 20150047403 | CASTING PRODUCT REDUCTION APPARATUS - The present invention is a casting product reduction apparatus that applies reduction to a casting product drawn from a mold with a sufficient reduction force and thereby can surely decrease center segregation and porosity and suppress occurrence of internal cracks so as to manufacture a high-quality casting product and includes: a pair of casting product press rolls that hold and press the casting product therebetween; backup rolls that support the casting product press rolls; and a pair of frames arranged to face each other, wherein three or more sets of the casting product press roll and the backup roll are arranged in a casting product drawing direction on each of the frames, and wherein a reduction means that decreases and increases a distance between the frames is provided at two or more places on the pair of frames. | 02-19-2015 |
| 072229000 | To reverse-roll the workpiece | 1 |
| 20160144414 | EDGER FEED ROLLS - A rolling mill edger includes a pair of work rolls ( | 05-26-2016 |
| 072231000 | Changing orientation or direction of work | 2 |
| 20090038362 | Refractory metal plates with improved uniformity of texture - A refractory metal plate is provided. The plate has a center, a thickness, an edge, a top surface and a bottom surface, and has a crystallographic texture (as characterized by through thickness gradient, banding severity; and variation across the plate, for each of the texture components 100//ND and 111//ND, which is substantially uniform throughout the plate. | 02-12-2009 |
| 20100242560 | APPARATUS FOR DECELERATING AND TEMPORARILY ACCUMULATING HOT ROLLED PRODUCT - An apparatus is disclosed for decelerating and temporarily accumulating a hot rolled product moving longitudinally along a first axis at a first velocity V | 09-30-2010 |
| 072234000 | Including successively-acting roller-couples | 21 |
| 20080196469 | MODULAR ROLLING MILL - A modular rolling mill comprises a plurality of rolling units having work rolls configured and arranged to progressively reduce the cross sectional area of a product received along a mill pass line. Gear units are mechanically coupled to each rolling unit, with each gear unit in turn being mechanically coupled to a driven line shaft by first bevel gear sets. The ratios of the first bevel gear sets progressively increase from the first to the last of the gear units to thereby accommodate a progressively increasing speed of the product being rolled. A second bevel gear set is associated with the last gear unit. The ratio of the second bevel gear set is the same as the ratio of the first level gear set of the penultimate gear unit. The line shaft is selectively coupled to the last gear unit via one or the other of its first and second bevel gear sets. | 08-21-2008 |
| 20080289391 | Pipe or Tube Reducing Mill and Roll For Reducing Mill - A reducing mill according to the invention includes a plurality of stands disposed along a rolling direction line, in which a tube is rolled through the plurality of stands along the rolling direction line. The stands each include n rolls (n≧3) disposed around the rolling direction line, and the n rolls are disposed shifted by 180°/n around the rolling direction line from n rolls included in a preceding stand. The n rolls included in each of the plurality of stands excluding the last stand each have a groove having an arch shape in cross section. The bottom of the groove has a circular arc shape around the rolling direction line having a first radius in cross section, and the distance between the surface of a roll flange portion positioned between the bottom and the edge of the groove and the rolling direction line is longer than the first radius, and the distance between the edge of the groove and the rolling direction line is longer than the first radius in the groove of a roll included in the preceding stand. Therefore, the reducing mill according to the invention allows both polygon formation and roll edge marks to be suppressed. | 11-27-2008 |
| 20090044587 | PROCESS AND DEVICE FOR INTENTIONALLY INFLUENCING THE GEOMETRY OF ROUGHED-DOWN STRIPS IN A ROUGHING-DOWN STAND - When rolling hot-rolled strips, different draughts per pass might occur during the rolling operation over the length of the roll gap, due to changes in the hardness of the rolling stock, to the roll gap itself or to the geometry of the incoming rolling stock. These different draughts per pass lead to lateral deviations and shifts of the rolling stock in the roll stand and to a lateral banding of the outgoing hot-rolled strip. In order to avoid these defects by intentionally influencing the geometry of the rough-rolled strip, it is proposed to interconnect in at least one roughing-down stand a dynamic positioning in the roughing-down stock ( | 02-19-2009 |
| 20090199611 | DEVICE FOR ROTATIONALLY LOCKING THE SUPPORTING ROLL BALANCED ARCHITECTURE OF ROLL STANDS - In a rolling stand ( | 08-13-2009 |
| 20100170315 | Assembly and Method for Press Forming a Deformable Material - An assembly for press forming a deformable material including: a first die array including a plurality of dies, the first die array defining a first die profile; a second die array that is complementary with the first die array and including a plurality of dies, the second die array defining a second die profile that is complementary with the first die profile; and a drive for driving at least one of the first die array and the second die array; wherein in use the plurality of dies of the first die array and the plurality of dies of the second die array sequentially engage the deformable material along a processing length to deform the deformable material to a predetermined profile. | 07-08-2010 |
| 20100229615 | Profiling Machine - A profiling machine for forming U, C and Z profiles comprising a final profiling unit having a first fixed shoulder ( | 09-16-2010 |
| 20100326162 | CONTINUOUS REPETITIVE ROLLING METHOD FOR METAL STRIP - A flow of rolling with a combination of asymmetric rolling (S | 12-30-2010 |
| 20110005290 | ROLLING MILL AND TANDEM ROLLING MILL HAVING THE SAME - A rolling mill, which can use work rolls of a smaller diameter for rolling a hard material and a thin strip material, and can obtain strips of high product quality with high productivity, is provided. For this purpose, a six-high rolling mill includes upper and lower work rolls ( | 01-13-2011 |
| 20110048093 | Method of rolling feed products into different sized finished products - A feed product is rolled into different sized finished products in a rolling mill finishing section which comprises a plurality of modular rolling units arranged along the mill pass line. Each rolling unit includes two roll stands with work rolls configured to define successive oval and round roll passes. The roll stands are designed to effect specific area reductions on products rolled through their respective oval and round roll passes. Feed products having the same entry size are rolled into finished products having different reduced sizes by providing altered rolling sequences in which a selected rolling unit is replaced along the pass line with rolling units having roll stands designed to effect area reductions that differ from those of the roll stands of the replaced rolling unit. Rolling units downstream from the replaced rolling unit are removed from the pass line. The roll stands of rolling units upstream from the replaced rolling unit remain unchanged. | 03-03-2011 |
| 20110239722 | METHOD FOR ADJUSTING A DRIVE LOAD FOR A PLURALITY OF DRIVES OF A MILL TRAIN FOR ROLLING ROLLING STOCK, CONTROL AND/OR REGULATION DEVICE, STORAGE MEDIUM, PROGRAM CODE AND ROLLING MILL - Drive loads for a plurality of drives of a mill train for rolling rolling stock with a plurality of rolling stands each being assigned at least one drive, are adjusted essentially to a first set point value on the basis of operation of the mill train in accordance with a first pass sequence. Redistribution of drive loads is improved, by adjusting the drive loads during the rolling to a second set point value different from the first setpoint value based on operating the mill train in accordance with a second pass sequence different from the first pass sequence, wherein at least during the adjustment of the second set point values a feed rate of the rolling stock into the mill train is adjusted as a function of a discharge rate of the rolling stock which is arranged upstream of the mill train in the direction of mass flow. | 10-06-2011 |
| 20110265537 | ROLL FOR A ROLLING-MILL - The present invention relates to a roll ( | 11-03-2011 |
| 20120216588 | WIRE ROLL STAND WITH INDIVIDUAL DRIVE - The invention relates to a roll stand ( | 08-30-2012 |
| 20130086963 | HIGH-SPEED WIRE ROD ROLLING APPARATUS AND METHOD - A wire rod rolling plant constituted by three distinct, independent rolling units ( | 04-11-2013 |
| 20150027191 | METHOD OF PRODUCING STEEL PRODUCTS HAVING EXCELLENT INTERNAL QUALITY - A method of producing a steel product having an excellent internal quality including subjecting a steel raw material of a round section to rolling at 3 or more passes to form a steel product of round section, wherein the rolling is conducted with a pair of upper and lower flat rolls at first pass, a pair of upper and lower same or different caliber rolls at second or more passes until just before a last pass, and a pair of upper and lower round caliber rolls at the last pass, under a condition that an area reduction in the first pass is within a range of less than a total area reduction from the raw material to the product. | 01-29-2015 |
| 20160023256 | Flexible roll-die forming machine for variable cross-section parts - A flexible roll-die forming machine for variable cross-section parts includes: a feeding device and a flexible roll-die forming unit; wherein the flexible roll-die forming unit includes at least a set of flexible roll-die forming devices; when two or more sets of the flexible roll-die forming devices are provided, the flexible roll-die forming devices are connected in sequence; wherein the feeding device is arranged at a front end of the flexible roll-die forming unit and is connected to an adjacent flexible roll-die forming device. The present invention effectively solves problems that conventional flexible roll-die forming machines are not able to produce narrow part with variable cross-sections, and the forming accuracy is poor. The present invention also reduces the amount of shafts controlled by servo motors, so as to simplify the controlling system, improve system operation reliability and simplify maintenance. | 01-28-2016 |
| 20160038986 | ROLL FORMER - A roll forming apparatus including a plurality of stations each including and an upper roll and a lower roller, wherein a first number of stations are configured to form a pipe blank into a standing seam, and a second number of stations are configured to angle the seam. At least one station includes elongated top and bottom rollers for clinching the pipe blank during the roll forming process. Each elongated top roller is mounted on a pivotable shaft configured to pivot the elongated top rollers away the pipe blank to allow passage of at least one seam formed in the pipe blank. | 02-11-2016 |
| 072235000 | Comprising relatively-inclined successive couples | 5 |
| 20090266132 | METHOD AND DEVICE FOR THE MANUFACTURE OF MULTIPLE GROOVED WIRE - A plurality of rollers for producing longitudinal grooves in an elongated metal substrate, the plurality of rollers comprising a first set and a second set of rollers, the plurality of rollers having groove-forming fluted edges thereon. The plurality of rollers are aligned circumferentially around and parallel to a longitudinal axis of the elongated metal substrate, wherein the plurality of rollers are configured to produce an odd number of grooves distributed asymmetrically about a circumference of the elongated metal substrate. | 10-29-2009 |
| 20120285216 | Modular Rolling Mill - A modular rolling mill has a mill pass line along which products roll. The rolling mill comprises first gear units arranged along a first line parallel to the mill pass line. Each first gear unit is driven individually by a motor and has a pair of mechanically interconnected first shafts. Second gear units are arranged along a second line between and parallel to the first line and the mill pass line. Each second gear unit has a pair of mechanically interconnected second shafts. Rolling units are arranged along the mill pass line, which are driven by an input shaft and has a pair of roll shafts carrying work rolls. First couplings connect the first shafts of each first gear unit to second shafts of two successive gear units, and second couplings releasable connect the second shafts of the second gear units to the input shafts of two successive rolling units. | 11-15-2012 |
| 20130133392 | ROLLING MILL STAND AND RELATED ROLLING MILL FOR LONGITUDINALLY ROLLING ROD-SHAPED BODIES - A rolling mill stand and related rolling mill for rolling rod-shaped bodies, even large in size, which meets the requirement of stiffness uniformity of the rolling mill stands in the transversal direction, all the hydraulic capsules being firmly fixed to the external structure of the rolling mill and providing for the side change of the rolls of each stand. The arrangement of rolling rolls and related extensions of each rolling mill stand is such to avoid problems of corrosion and damaging to the extensions themselves and to the reducers due to the drainage of the cooling waters. | 05-30-2013 |
| 20130298631 | ROLLING MILL STAND AND RELATED ROLLING MILL FOR LONGITUDINALLY ROLLING ROD-SHAPED BODIES - A rolling mill stand and related rolling mill for rolling rod-shaped bodies, even large in size, which meets the requirement of stiffness uniformity of the rolling mill stands in the transversal direction, all the hydraulic capsules being firmly fixed to the external structure of the rolling mill and providing for the side change of the rolls of each stand. The arrangement of rolling rolls and related extensions of each rolling mill stand is such to avoid problems of corrosion and damaging to the extensions themselves and to the reducers due to the drainage of the cooling waters. | 11-14-2013 |
| 20140338413 | WIRE-ROD AND THE LIKE HOT-ROLLING MACHINE - Wire-rod hot-rolling machine ( | 11-20-2014 |
