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| Number | Title | Issue Date |
| 8166785 | Rolling mill apparatus and method of shape control of rolled strip and plate This invention relates to a rolling mill apparatus and a method of shape control of a rolled strip which enables satisfactory shape control even in extremely thin rolling. A rolling mill apparatus of this invention has a rolling mill, which rolls a rolled strip P be... | 05/01/2012 |
| 7963136 | Process and apparatus for the continuous production of a thin metal strip Processes for continuous production of a thin metal strip, in particular a steel hot strip, directly from a metal melt and with a strip cast thickness of | 06/21/2011 |
| 7748247 | Regulating flatness of a metal strip at the output of a roll housing A method regulating flatness of a metal strip at a roll housing output including at least one dynamic flatness actuator. A rolling process characterizes flatness of the strip by measuring a quantity D in n points distributed across the strip width, from n measuremen... | 07/06/2010 |
| 7430887 | Roller for determining variations in flatness In the case of a measuring roller for determining flatness deviations when handling material in strip form, for example when rolling metal strip, the stress distribution is measured over the width of the strip with the aid of piezoelectric sensors, which are arrange... | 10/07/2008 |
| 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 |
| 7325427 | Machine for bending of long products and a method to control such a machine A machine is process monitored and controlled for continuous bending of long products to a predetermined radius by using three parallel contact-free distance meters (laser transmitters) and by measuring the distances to the bent surface on the product, by calculatin... | 02/05/2008 |
| 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 |
| 7293440 | Method of setting/controlling wedge in plate material rolling A wedge setup/control method for plate material rolling ensures that the work side and drive side are equal in the rolled plate thickness. The wedge setup/control method, which is used in reversible rolling of a plate material with a rough mill for hot rolling, incl... | 11/13/2007 |
| 7292807 | Assembly and method for reducing shaft deflection A shaft mounting and loading arrangement includes a shaft rotatably mounted within a frame of an imaging machine by a pair of spaced mounting bearings. A belt is entrained on the shaft between the bearings. The belt applies a belt load to the shaft along an axially ... | 11/06/2007 |
| 7225652 | Graphical rolled steel sheet flatness display and method of using same A method for measuring and displaying the flatness of a rolled steel sheet is disclosed that includes the steps of measuring tension in the sheet at a plurality of locations on the surface of the sheet and determining a plurality of tension ranges into which the sen... | 06/05/2007 |
| 7185519 | Methods and apparatus for monitoring and conditioning strip material Methods and an apparatus for monitoring and conditioning strip material are disclosed. The disclosed methods and apparatus receive encoder signals and sensor data to monitor a condition of a strip material. If an undesired material condition is detected, a material ... | 03/06/2007 |
| 7106077 | Device and method for testing a membrane electrode assembly In order to create a device for testing a membrane electrode assembly, by means of which fabricated membrane electrode assemblies can be tested in a non-destructive manner, a first contact device is provided for bringing a first electrode side of the test object int... | 09/12/2006 |
| 7059161 | Thin-strip coiler comprising a flatness measuring roll The invention relates to a method and device for measuring and influencing the strip flatness in the coiler shaft of a hot-strip mill, whereby the coiler shaft has, between a driver and a coiler, moving and stationary strip guides as well as a flatness measuring rol... | 06/13/2006 |
| 7032420 | Method for real-time adjustment of a planisher A method for real-time adjustment of a planisher for planishing metal strip. After a planished strip has been cut into a plate, the method includes measuring the plate at the output of the planisher outside a support zone, correcting the measurement so as to elimina... | 04/25/2006 |
| 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 |
| 7013547 | Method and device for the production of curved spring strip sections A method and a device for the production of curved spring strip sections. A spring strip runs through a bending unit formed from three separate support points and a reverse bending unit, arranged in series, and formed from a fourth support point. Bent and reverse-be... | 03/21/2006 |
| 6993947 | Device and method for calibrating a multiple-roller flattener A metal measurement plate (5), having a size suitable for being placed between the set of upper rolls and the set of lower rolls of the leveler, has positioning means (60, 61, 62) for positioning it with respect to the rolls in the leveling direction, ... | 02/07/2006 |
| 6983631 | Method for operating a mill train and a correspondingly embodied mill train The invention relates to a mill train (1) for milling a strip-type product to be milled (10). Said mill train comprises a number of roll stands (2) which are successively arranged in a milling direction (x) and which can be respectively pivoted ... | 01/10/2006 |
| 6966207 | Shape detecting apparatus A shape detecting apparatus for controlling the tension of a rolled plate, is composed of a pair of fixing members, a supporting frame and a plurality of shape detecting units. The shape detecting units are fixed detachably in a close proximity of the supporting fra... | 11/22/2005 |
| 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 |
| 6857301 | Displacement-type shape sensor for multi-roll leveler A displacement-type shape sensor for detecting the flatness of a strip of material. A flatness detection system may be formed from a plurality of said sensors. The displacement-type shape sensor preferably employs a roller bearing coupled to an actuator. A linear di... | 02/22/2005 |
| 6840475 | Method and device for the rolling or winding of strip The invention relates to a method and a device for the rolling or winding of strip having an equal thickness over the strip width, in which the tension in a strip length portion limited by rolls, winders, or control, guide or deflecting rollers is measured by means ... | 01/11/2005 |
| 6782726 | Hot-rolling mill with flatness measuring roller The invention relates to a hot rolling mill, with at least one flatness measuring roller, pertaining to at least one rolling bed, arranged before and/or after one of the stands, which influences the settings of at least one of the stands. The aim of the invention is... | 08/31/2004 |
| 6779373 | Method for preadjusting and controlling the strip planarity in flexible single-pass and reversing rolling of a strip-shaped material web A method for preadjusting and controlling strip planarity in flexible single-pass and reversing rolling of a strip-shaped material web using at least one work roll pair forming a roll gap and back-up rolls for the work rolls, and devices for roll adjustment, roll be... | 08/24/2004 |
| 6571134 | Method and device for determining an intermediary profile of a metal strip Method for determining an intermediary profile of a metal strip between an upstream and a downstream roll stand in a mill train having at least two roll stands is described intermediary profile (pout) and the final profile (pout) of ... | 05/27/2003 |
| 6513358 | Method and device for controlling flatness A method for controlling flatness of a strip (1) of rolled material rolled to a first flatness target and coiled and that is subsequently uncoiled, and a system which employs the method. Measurements of the flatness of the strip (1) during rolling are com... | 02/04/2003 |
| 6427507 | Apparatus for measuring the strip flatness The present invention provides an apparatus for measuring flatness of a hot rolled strip based on a contact load of the hot rolled strip to split rolls of a looper in the hot rolling process. The split rolls are assembled in a bracket such that each split... | 08/06/2002 |
| 6393884 | Method for automatic bow adjustment The present invention relates to a method for automatic bow adjustment for a venetian blind assembly machine, said bow adjustment station comprising rollers (48; 104, 106) for guiding, bending and leveling a strip material (43; 112), and further comprisin... | 05/28/2002 |
| 6374656 | Rolling stand for plane products and method to control the planarity of said products Rolling stand (10) for plane products and method to control the planarity of said plane products, said rolling stand comprising a pair of working rolls (11a, 11b), a corresponding pair of back-up rolls (13a, 13b) and at least an intermediate roll (15a) lo... | 04/23/2002 |
| 6338262 | Method for the static and dynamic control of the planarity of flat rolled products Method to control the planarity of flat products rolled with a rolling stand (10) having a pair of working rolls (11a, 11b), a corresponding pair of back-up rolls (13a, 13b) and at least an intermediate roll (15a) placed between one of said working rolls ... | 01/15/2002 |
| 6336349 | Method for the flexible rolling of a metallic strip A method for the flexible rolling of a metallic strip in which, during the rolling procedure, the metallic strip is lead through a roll gap which is formed between two working rolls, and during the rolling operation, the roll gap is deliberately changed i... | 01/08/2002 |
| 6286349 | Flatness measurement system for metal strip The invention relates to a flatness measurement and control system for metal strip, which makes it possible to obtain improved strip or coil quality by a simple and effective measurement of departures from flatness and to control the finishing parameters ... | 09/11/2001 |
| 6263716 | Hot strip reversing mill with a shapemetering apparatus A shape detection device is incorporated as part of a hot strip reversing mill. The shape detection device is a shape detector roll adapted to contact the metal strip. The shape detector roll is used to provide data to an automated shape control and steer... | 07/24/2001 |
| 6230532 | Method and apparatus for controlling sheet shape in sheet rolling During rolling with a rolling mill, which includes a sheet shape altering device capable of altering a mechanical sheet crown, while the sheet shape altering device is operated correspondingly with a target mechanical sheet crown set value during the dime... | 05/15/2001 |
| 6216505 | Method and apparatus for rolling a strip A method and apparatus for rolling a strip by a rolling mill wherein one back-up roll of the pair of back-up rolls is a variable crown roll having a single oil chamber and the other back-up roll is a variable crown roll having a plurality of oil chambers.... | 04/17/2001 |
| 6199418 | Flatness control apparatus for a hot rolling mill A flatness control apparatus for controlling the flatness of a strip in a hot rolling mill, wherein a strip width meter measures center line error values of the strip. The center line error values are the offsets of the center of the strip from the center... | 03/13/2001 |
| 6164104 | Method of and apparatus for measuring planarity of metal strip The planarity of a strip, especially metal strip is measured in a measurement zone in which the tension of the strip has been reduced in a targeted way by braking the strip. The braking force should be practically equal to the strip tension.... | 12/26/2000 |
| 6161405 | Apparatus for controlling a rolling mill based on a strip crown of a strip and the same A rolling mill is equipped with a work roll bending apparatus for controlling the strip crown of the strip. Upstream and downstream of the rolling mill are located strip crown meters which measure the thickness of the strip in the transverse direction. Th... | 12/19/2000 |
| 6158260 | Universal roll crossing system A method for hot rolling and cold rolling metal strip to a finish strip thickness, profile and flatness in a series of rolling mills each having roll bending and roll crossing capabilities to effect a plurality of roll gap profiles. A control method utili... | 12/12/2000 |
| 6070472 | Planarity measuring roller An arrangement for measuring the planarity of a rolled strip which is under tension in a hot strip rolling train with a roughing train and a finishing train including several roll stands and a reel. At least one measuring roller is arranged in rolling dir... | 06/06/2000 |
