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| Number | Title | Issue Date |
| 7823428 | Analytical method for use in optimizing dimensional quality in hot and cold rolling mills A device and method for prediction and/or control of the profile and/or shape of rolled metal strip. The device and method are compatible with both cluster-type and non cluster-type mills. The device and method employ a customized deflection model of the rolling mil... | 11/02/2010 |
| 7784316 | Method for the insertion of machine units into a production line The invention relates to a method for assembling and/or starting machine units in installations, such as machine beds (1) and/or roll stands (2), e.g. in an existing production line of a hot-rolling mill. In order to minimize especially the downtimes d... | 08/31/2010 |
| 7617709 | Apparatus for controlling materials quality in rolling, forging, or leveling process The invention matches the material quality of a product to target data, even when a materials quality model is insufficient in prediction accuracy. Heating a metallic material, rolling, forging, or leveling the metallic material, and cooling the metallic material ar... | 11/17/2009 |
| 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 |
| 7290420 | Rolling apparatus and rolling method A rolling apparatus includes a pair of a small rolling roller and a large rolling roller which hold a ring with the ring being sandwiched therebetween, and which roll the ring, and a tension roller; a temperature sensor which measures a temperature of the ring befor... | 11/06/2007 |
| 7225656 | Process for forming a workpiece and rolling machine In the transverse wedge rolling machine as claimed in the invention the drive motor is a permanent magnet motor, especially a torque motor. Furthermore the rotational speed of the rollers is controlled depending on their rotary position. ... | 06/05/2007 |
| 7185521 | Method and apparatus for process control of burnishing An apparatus for process control of a burnishing process comprising a body having a first end and a second end, at least one process control coupon, and structure for attaching the process control coupon to the body. At least one edge of the process control coupon i... | 03/06/2007 |
| 7146835 | Method and apparatus to reduce slot width in tubular members An apparatus and method are provided for reducing the width of a plurality of longitudinal slots or other openings spaced circumferentially around a slotted tubular member. The invention includes a seaming roller positioned to contact the outer surface of the slotte... | 12/12/2006 |
| 7073366 | Method and apparatus to reduce the width of a slot or opening in a pipe, tube or other object A method to reduce the width of slots or openings in a pipe. The method involve determining the position of the slots relative to the surface of the pipe and determining the width of the slots. A signal is generated corresponding to the determined width and relative... | 07/11/2006 |
| 7040127 | Method and device for forming a pipe A method and a device are proposed which accurately and efficiently form a pipe with a bending machine only, without using any correcting devices. A plate having holes is fed into a bending machine in which under an upper roll, lower rolls parallel thereto are arran... | 05/09/2006 |
| 7031797 | Computer-aided method for determining desired values for controlling elements of profile and surface evenness Input variables, which describe a metal strip prior to and after the passage of a rolling stand, are fed to a material flow model. The material flow model determines online a rolling force progression in the direction of the width of the strip and fees said progress... | 04/18/2006 |
| 6997026 | Quick change metal stud to hemmed track roll forming system An apparatus and method for selectively forming metal stud and track members from sheet material, the apparatus including a stud forming assembly capable of transforming the sheet material into a stud member as the material exits the stud forming assembly, and a tra... | 02/14/2006 |
| 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 |
| 6938451 | Dynamic tapered extrusion system A hard metal or non-metal member can be formed or shaped to have varying amounts of curvature and tapering by passing the member through a forming channel defined by two sets of opposed, axially displaceable rollers which can be dynamically moved horizontally and ve... | 09/06/2005 |
| 6813919 | Method of making a frame member into U-section and C-section panel profiles This invention relates to metal framing (2, 3, 4), in particular steel framing for building construction. The invention also relates to a method of constructing a metal frame assembly (2, 3, 4) and roll forming apparatus (41) for producing metal... | 11/09/2004 |
| 6722173 | Method and device for determining the rolling force in a roll stand In a method for determining the rolling force in a roll stand for rolling metallic material which is to be rolled, the rolling force is determined by means of at least one neural network. According to the invention, the neural network is trained using, in particular... | 04/20/2004 |
| 6658910 | Roller device and method for adjusting said device A rolling apparatus is proposed with four rolls arranged in the shape of a star whereby one drive unit each is assigned to the rolls and whereby an adjusting unit each precedes the rolls through which the rolls are arranged adjustably in a radial and an a... | 12/09/2003 |
| 6164103 | Method for improving the contour of rolled material A method for improving the contour of rolled material over at least one segment of a rolling schedule including a plurality of rolling processes. The method includes associating at least one quality criterion with at least one rolling stand of at least on... | 12/26/2000 |
| 6044675 | Roll bending machine with selective digital control device An automatic roll bending machine for bending metal sheets, sections and the like. The machine includes two or more bending rolls and a driver for causing rotation and/or changing the working positions of the rolls. The driver is operatively connected to ... | 04/04/2000 |
| 5987948 | Presetting for cold-roll reversal stand In a process for presetting the adjusting-member positions of a roll stand upon the rolling of a new coil or for the next pass in each case during cold rolling of bands, adjusting-member positions for the band flatness are used that are based on the corre... | 11/23/1999 |
| 5797288 | Apparatus for operating a multiple-stand mill train An apparatus for operating a multiple-stand mill train is described which significantly reduces the expense and time for designing, testing and the start-up, including the optimization phase, and for restarting the roll operation of the mill train and whi... | 08/25/1998 |
| 5775154 | Method for adjusting a roll gap A method for adjusting the roll gap in strip rolling mills including a roll stand equipped with hydraulic adjusting devices on the drive side as well as on the operator side, wherein the positions of the rolls in a roll stand are adjustable by means of th... | 07/07/1998 |
| 5685186 | Base curve bender An eyewinder system 10 has stations 100-108 for straightening, bending, measuring and transporting a wire 11 to form an eyewire 109. A controller 120 controls each station. Using information from tension and length measuring stations 104, 105, the control... | 11/11/1997 |
