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| Number | Title | Issue Date |
| 8096161 | Method for rolling strips in a roll stand The invention relates to a method for rolling strips in the roll stand of a rolling mill, wherein said roll stand consists of two axially displaceable working rollers which are provided with a CVC-grinding or a similar contour and whose curved profile is expressed i... | 01/17/2012 |
| 7396021 | Sealing device for roll bearings with compensation for rad A roll stub is rotatable relative to a stationary support and has a rotatable support fixed to the roll stub, an annular and radially directed seal surface fixed on one of the supports, and a seal ring on the other of the supports having a lip engageable with the se... | 07/08/2008 |
| 7383712 | Torque support The invention relates to a torque support on oil collecting receptacles (2, 2′) in a region of a paired connection of spindle heads and roll necks (1, 1′) in rolling mill stands during adjustment thereof in both vertical and axial directions, with ... | 06/10/2008 |
| 7367209 | Optimised shift strategy as a function of strip width The invention relates to a method for the optimization of shift strategies, as a function of the strip width, for best possible usage of the advantages of CVC/CVCPlus technology in operation of strip-edge oriented shifts in 4-/6-roller stands, comprising ... | 05/06/2008 |
| 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 |
| 7347073 | Rolling mill stand for the rolling of different rolled stocks which require different rolling forces A rolling mill frame for the rolling of different rolled stock which requires different rolling forces and which has working rolls, back-up rolls, optionally a roll being device for the working rolls and optionally a device for adjusting and balancing the back-up ro... | 03/25/2008 |
| 7316146 | Rolling stand for producing rolled strip In the case of a rolling stand for producing rolled strip, which is provided with rolls which are axially displaceable with respect to one another, have a curved contour running over the entire effective barrel length and complement one another exclusively in a spec... | 01/08/2008 |
| 7310985 | Rolling device A rolling device with at least two rolls installed in a common stand, the rolls being mounted on lateral stringers by bearings, which are able to move vertically along the lateral stringers, and with at least one axial adjusting device for one of the rolls. The axia... | 12/25/2007 |
| 7299673 | Rolling device Rolling device with two work rolls supported in a rolling stand by a chock and with at least two additional rolls supported in the rolling stand by an additional chock. At least one of the work rolls and at least one of the additional rolls is adjustable for adjusti... | 11/27/2007 |
| 7251978 | Roll stand for producing plane roll strips having a desired strip profile superelevation The aim of the invention is to improve known roll stands (10) which are characterized by working rolls (1,2) of various diameters, in such a way that a strip is obtained which is largely free of tensions and undulations, has a desired strip profile sup... | 08/07/2007 |
| 7197802 | Control method for a finishing train and a finishing train According to a method, initial temperatures (T1) of strip points (101) are detected when the hot-rolled strip (6) is fed to the production line. The strip points (101) are monitored on their way through the production line. The hot-rolled... | 04/03/2007 |
| 7181949 | Strip-edge-based displacement of intermediate rolls in six-high rolling stand A method for the strip-edge-oriented shifting of the intermediate rolls (11, 11′) in a six-roll rolling mill comprising respectively a pair of workrolls (10, 10′), intermediate rolls (11, 11′) and backup rolls (12, 12′), whereby a... | 02/27/2007 |
| 7134307 | Plate rolling mill A plate rolling mill includes a pair of work rolls that hold and press down a plate material therebetween, a plurality of backup rolls that prevent the work rolls from being deformed, and intermediate rolls each of which is disposed between the work roll and the bac... | 11/14/2006 |
| 7111486 | Roll stand for hot-rolling or cold-rolling metallic strips The invention relates to a roll stand for hot-rolling or cold-rolling metallic strips. The roll stand comprises back-up rolls and work rolls (2, 3; 4, 5) which are respectively positioned in chocks (6; 7) in a rotating manner. Each chock (6; 7) ... | 09/26/2006 |
| 7093473 | Apparatus for manufacturing band plate An apparatus for manufacturing a band plate has a rolling mill that includes a pair of upper and lower work rolls that roll a slab material having edge drop portions at both ends thereof, and a pair of backup rolls that contact non-rolling side surfaces of the pair ... | 08/22/2006 |
| 7082801 | Tightening and untightening device for bearings of rolling mills A tightening and untightening tool for a roll bearing assembly of a rolling mill has a box-shaped body of toroidal shape with a central hole fitting around the cylindrical end part of a back-up roll. It has drive keys that slide into corresponding drive splines on t... | 08/01/2006 |
| 7059163 | Roll stand comprising a crown-variable-control (CVC) roll pair The invention relates to a roll stand comprising a crown-variable-control (CVC) roll pair, preferably a CVC working roll pair and a back-up roll pair, which comprise a contact area (B cont) in which a horizontally active torque (M) acts that leads to a twisting of t... | 06/13/2006 |
| 7032424 | Cluster mill, in particular, a six-high cluster mill, comprising an axial displacement and holding device for displaceably mounted intermediates rolls and or working rolls A cluster mill includes an axially displacing and holding device for displaceable intermediate and/or working mills (11), with the chocks (7) being guided in a sliding manner inside the cluster mill stand housing posts (1), the rolls (11)... | 04/25/2006 |
| 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 |
| 7004002 | Rolling method for strip rolling mill and strip rolling equipment A strip rolling mill includes a pair of upper and lower work rolls for rolling a strip, intermediate rolls for supporting each of the paired work rolls, and back-up rolls for supporting each of the intermediate rolls. Each of the work rolls is provided with a tapere... | 02/28/2006 |
| 6993951 | Bending device for the working rolls of a hot-rolling frame A hot-rolling stand including blocks arranged in the stand windows and having hydraulic piston cylinder units provided as bending devices which are able to transfer bending forces via guide elements onto the chocks of the working rolls. For each block a double-actin... | 02/07/2006 |
| 6895794 | Rolling mill and rolling method A screw down cylinder, an upper backup roll chock, and an upper work roll chock are pressed against an upper crosshead by hydraulic cylinders, and an upper roll cross mechanism is actuated, whereby the upper backup roll chock (upper backup roll), the upper work roll... | 05/24/2005 |
| 6868707 | Rolling method for strip rolling mill and strip rolling equipment A strip rolling mill includes a pair of upper and lower work rolls for rolling a strip, intermediate rolls for supporting each of the paired work rolls, and back-up rolls for supporting each of the intermediate rolls. Each of the work rolls is provided with a tapere... | 03/22/2005 |
| 6851676 | Inner seal ring for rolling mill oil film bearing An inner seal ring is disclosed for use in an oil film bearing for a roll in a rolling mill. The roll has a neck with an intermediate section tapering from an end face to a reduced diameter end section contained within a sleeve. The sleeve is fixed in relation to th... | 02/08/2005 |
| 6688151 | Device and method for shifting work roll of cluster mill A roll shifting cylinder 14 is driven to pivot a lever arm 12, thereby shifting a work roll 1 via a thrust bearing 15. A control unit 27 performs auto-positioning control, based on a shift amount performance value of the thrust bearing 15 detected by a sh... | 02/10/2004 |
| 6644086 | Retro-fit roll forming mill with jack screw A rolling mill apparatus for forming a web of material includes a die stand having an upper die assembly and a lower die assembly, the die stand bending the web to a predetermined formation angle as the web passes between the upper die assembly and the lo... | 11/11/2003 |
| 6598445 | Leveling machine and method An assembly and method for leveling a metal strip by working the strip back-and-forth through a plurality of work rolls. Work rolls are disposed for engaging the strip. A backup roll supports the work roll against the strip. A cam roll supports the backup... | 07/29/2003 |
| 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 |
| 6401506 | Sheet rolling method and sheet rolling mill In a rolling method applied to a multi-roll strip rolling mill composed of not less than four rolls, one of the zero point of the roll positioning devices and the deformation characteristic of the strip rolling mill or alternatively both the zero point of... | 06/11/2002 |
| 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 |
| 6324881 | Method to control the profile of strip in a rolling stand for strip and/or sheet Method to control the profile of a strip (13) in a rolling stand for strip and/or sheet comprising at least two working rolls, respectively upper (11a) and lower (11b) and defining a reference pass-line (15) substantially coinciding with the center line o... | 12/04/2001 |
| 6314776 | Sixth order actuator and mill set-up system for rolling mill profile and flatness control A rolling mill stand having a pair of side shiftable rolls defining a roll gap profile therebetween varying along the length of the rolls according to a sixth order polynomial equation. The flatness of the strip exiting the rolling mill stand is controlle... | 11/13/2001 |
| 6314782 | Roll stand with multiple rolls A roll stand with multiple rolls for rolling strip-shaped rolling stock has a roll frame and upper and lower working rolls mounted on the roll frame in a common vertical roll axis plane, wherein the rolling stock is guided between the upper and lower work... | 11/13/2001 |
| 6311534 | Sheet metal bending apparatus A roll forming apparatus is provided having a plurality of roll forming stations arranged in an advancing path and having at least one roll forming station including adjustable top and bottom rolls. The adjustable forming rolls include separate inner and ... | 11/06/2001 |
| 6282932 | Axial and transverse roller die adjustment apparatus and method A roller die apparatus for supporting pairs of roller dies in predetermined clearances for processing a web workpiece, and for varying the clearances between the dies to accommodate variations in the thickness of a web workpiece and having first and secon... | 09/04/2001 |
| 6247345 | Bending block for four-high rolling stand A bending block for a four-high rolling stand comprising working rolls (11a, 11b) and back-up rolls (12a, 12b) associated with respective chocks (14a, 14b; 15a, 15b), the stand also comprising a stationary housing (16) associated with means (17) for the c... | 06/19/2001 |
| 6216519 | Roll for a roll stand A roll for a roll stand including a roll shaft with at least one roll ring mounted on the roll shaft, wherein the roll shaft is axially displaceable. The roll stand for rolling a metal strip may be, for example, a two-high stand, a four-high stand or six-... | 04/17/2001 |
| 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 |
| 6151945 | Cluster type rolling mill and rolling method A cluster type rolling mill comprises a pair of work rolls, intermediate rolls, backing rolls, backing roll chock movable in the up and down directions, intermediate roll chocks held by the backing roll chocks work roll chocks held by the intermediate rol... | 11/28/2000 |
