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| Number | Title | Issue Date |
| 8185232 | Learning method of rolling load prediction for hot rolling The present invention provides a learning method of rolling load prediction which uses a prediction error of a rolling load at an actual pass of a stock in hot rolling to correct a predicted value of rolling load at a subsequent rolling pass. The method comprises ch... | 05/22/2012 |
| 8095233 | Interconnected premises equipment for energy management Energy commodities in the form of electricity and combustible fuel (e.g. natural gas, propane) are used by appliances within a residence or commercial premises in a fashion which is monitored and controlled through a Premises Energy Management System (PEMS). The sys... | 01/10/2012 |
| 7310981 | Method for regulating the temperature of strip metal The invention relates to a method for controlling and regulating the temperature of a metal strip in a finishing train of a hot rolling mill. A target function is formed by comparing a desired temperature gradient with an actual temperature gradient. The target func... | 12/25/2007 |
| 7305271 | Device and a method for continuous casting A computer program product for controlling an apparatus for continuous casting of metals. The computer program product includes a computer readable medium and computer program instructions recorded on the computer readable medium executable by a processor for perfor... | 12/04/2007 |
| 7251971 | Method for regulating the temperature of strip metal The invention relates to a method for controlling or regulating the temperature of a metal strip in a cooling path of a hot rolling system. A desired temperature gradient is compared to an actual temperature gradient in order to determine adjusting signals for the c... | 08/07/2007 |
| 7110848 | Computer program product The objective of the present invention is to implement highly accurate general automatic tool assignment with a sheet metal CAD/CAM system. Once CAD drawings are generated (S102), continuous line processing, product outer lines, window cut-out lines and the l... | 09/19/2006 |
| 7110840 | Master control system for a rolling mill A master control system for a rolling mill, especially a mill train, having at least one rolling stand driven by means of a drive system, and the master control system having an automation device for the open-loop and/or closed-loop control of the rolling stand. The... | 09/19/2006 |
| 7044193 | Method of continuous casting In a method for the continuous casting of a thin metal strip according to the two-roll method, metal melt is cast into a casting gap formed by two casting rolls of the thickness of the metal strip to be cast, under formation of a melting bath. In order to for... | 05/16/2006 |
| 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 |
| 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 |
| 6931703 | Rail producing method and producing equipment The present invention provides a method and equipment for producing a rail, the method and equipment being capable of lowering a bend at an end of a rail effectively and the truncation amount thereof. The present invention is a method for producing a rail, character... | 08/23/2005 |
| 6842656 | Method and device for the process-optimizing regulation of parameters in a production process A surface of a long flat product is observed in a production process by way of a surface inspection system. The entire surface is plotted, on the basis of the observation data, as a surface map with established surface characteristics in the, form of surface data an... | 01/11/2005 |
| 6836696 | Method for marking rolled material The invention relates to a method for marking material defects in/on bar-shaped rolled material after it has left the finishing rolling mill. According to this method, the defective points are detected during the rolling process by ultrasound testing and/or inductiv... | 12/28/2004 |
| 6721620 | Multi variable flatness control system Method of measuring and/or controlling flatness during rolling. The flatness deviation is measured and expressed using orthogonal polynomials. A controlled variable is generated using an Internal Mode Control by comparing the expressed deviation with values of ortho... | 04/13/2004 |
| 6625515 | Roll defect management process The Roll Defect Management Process (RDMP) is a system which is designed to manage, track and evaluate all mill rolls found in use in the hot and cold production of flat rolled metal strip. The RDMP is capable of detection, distinction and differentiation ... | 09/23/2003 |
| 6560502 | System and method for campaign planning A system (100) for campaign planning includes a memory (106) operable to store at least two slab values (132) for each of a plurality of slabs (108). The slab values (132) for a slab are associated with at least two properties of the slab (108). The memor... | 05/06/2003 |
| 6526328 | Process for rolling a metal product The invention relates to a process for rolling a metal product by successive passes into at least one roll stand associated with a calculation unit comprising a computer and a mathematical model for adjusting the rolling load applied by the clamping means... | 02/25/2003 |
| 6438443 | Method and device for pre-setting the planeness of a roller strip A method of presetting the roll nip profile of a roll stand for rolling a rolled strip is provided. The roll nip profile is influenced by output values for the roll nip profile and the tensile stress distribution being set over the roll nip profile. The o... | 08/20/2002 |
| 6430461 | Process for monitoring and controlling the quality of rolled products from hot-rolling processes Process to monitor and control the quality of rolled products from hot-rolled processes which produce products such as sheets, rods, etc., from input stock such as slabs, billets, etc. The process estimates in advance the expected material properties of t... | 08/06/2002 |
| 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 |
| 5949684 | Automatic roll groove alignment Data representing the axial distance of the center of each groove of a work roll from a first reference location on the work roll is determined and stored in the memory of a data processing system. The work rolls are then mounted in the roll stand and the... | 09/07/1999 |
| 5922220 | Method and apparatus for electroerosive cutting A method and apparatus for wire electroerosive cutting of a workpiece, the wire guided in a toroidal guide and a main guide associated with the toroidal guide, the position(s) of the toroidal guide and/or of the main guide with respect to the desired posi... | 07/13/1999 |
| 5808891 | Method for creating a direct hot charge rolling production schedule at a steel plant A scheduling method suitable for use in a primary steel production area operating in either direct rolling or direct hot charge rolling modes, collectively referred to as synchronized rolling. The steel production area comprising a continuous caster, for ... | 09/15/1998 |
| 5699281 | Method and apparatus for mapping a warehouse rack structure for a storage and retrieval machine A method of mapping a warehouse rack structure having a plurality of racks comprises the steps of creating a logical matrix and updating the logical matrix. The updating step further includes the steps of causing a moveable device to travel to a first one... | 12/16/1997 |
| 5699273 | Method and apparatus for determining the force-displacement diagram of the pairs of punches of a rotary pelleting machine An apparatus and method for determining the force-displacement diagram of pairs of punches in a rotary pelleting machine involving measuring and storing the course of compression of punch pairs for each individual angle step, storing said data and prepari... | 12/16/1997 |
| 5541832 | Control device for controlling a controlled apparatus, and a control method therefor In order to control an apparatus, such as a rolling mill, a control device may use a pre-set operation pattern to generate a pre-set command signal, which is then modified. That first modification may be part of a feedback loop in set command signal, whic... | 07/30/1996 |
| 5535129 | Flatness control in the rolling of strip The invention relates to an optimization of the control actions "c" via control members for the work rolls during flatness control of strip and comprises a method for evaluation of the control actions and an evaluation device which constitutes an integral... | 07/09/1996 |
| 5461894 | Control system for a hot and/or cold rolling process A feedback control of a hot and/or cold rolling process by means of a process control system, which executes a predetermined rolling program containing the initial and final dimensions, material data, roll temperatures, etc., and has a master system for c... | 10/31/1995 |
| 5146409 | Mill roll adjustment The invention relates to the positioning of rolls to ensure the correct alignment of rolling grooves in the rolls with each other and with the pass line of the product. Hitherto to ensure correct alignment of rolling grooves, repeated trial runs and roll ... | 09/08/1992 |
| 4658363 | Method of increasing the productivity of reversing plate mills A method of improving the productivity and yield of a reversing plate mill comprises installing coiler furnaces on the upstream and downstream sides of the mill. Thereafter, a supply of extra large slabs as well as a supply of pattern slabs for the mill a... | 04/14/1987 |
| 4654812 | Simulation system A simulation system to make computers and automatic controllers for controlling the operation of a work processing system according to a predetermined sequence execute simulated control actions, having a unit which provides the logical sum of the output s... | 03/31/1987 |
| 3997768 | Method for producing sheet material of a desired weight per unit area A method for controlling the weight per unit area of a tire fabric and changing from one code to another uses the difference between the nominal calender roller gaps for the old and new codes to preset the gaps for the new code before feedback control is ... | 12/14/1976 |
