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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7234334 | Saddle for backing assemblies in a rolling mill A saddle for a backing assembly in a rolling mill has non-cylindrical bearing surfaces that accommodate wear by allowing the saddles to self-align. The non-cylindrical bearing surfaces help prevent the needle bearings from being pinched and driven into the gear ring... | 06/26/2007 |
| 7200935 | Work roll Improved work roll, particularly for use in closed gap rolling, has a composite structure comprising a cylindrical outer layer (14) made of steel, and providing the work surface of the roll, separated from a steel core (12) by an intermediate layer ( | 04/10/2007 |
| 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 |
| 7178578 | Continuous casting roll A continuous casting roll for the continuous casting of metal strip. The continuous casting roll has an essentially cylindrical core and a jacket, for example, made of a copper alloy, that is shrunk onto it. A relaxation zone is provided between the core and jacket.... | 02/20/2007 |
| 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 |
| 6826941 | Roller apparatus with improved height adjustability A roller assembly for use as a back-up roller for work rolls. The roller assembly comprises an axle, a roller rotatably mounted on the axle, a plurality of bearing elements rotatably positioned between the axle and roller, at least one bushing which is eccentric rel... | 12/07/2004 |
| 6532788 | Roller apparatus A roller assembly for use as a back-up roller for work rolls. The roller assembly comprises an axle, a roller rotatably mounted on the axle, a plurality of bearing elements rotatably positioned between the axle and roller, and at least one bushing which i... | 03/18/2003 |
| 6453713 | Deflection dampening apparatus for a roll used to process uniformly flat products A deflection dampening apparatus for a process roll. The dampening apparatus having C-shaped first and second portions with both portions pivotally interlocking to form a ring. The C-shaped portions have an inner base and a notched outer surface comprisin... | 09/24/2002 |
| 6408668 | Back-up or intermediate roller for producing a flat rolled product in a rolling mill A supporting or intermediate roll in rolling mills for rolling flat rolling stock, in particular strip material, having a cylindrical roll core and a tubular sleeve which is connected in a rotationally fixed manner to said roll core, engages coaxially aro... | 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 |
| 6286355 | Rolling mill with working rollers and multipart support rollers A rolling mill with working rolls and with multipart support rolls. The rolling mill includes of a basic body with a plurality of rolling bearings which are arranged next to one another on the basic body in its longitudinal direction. The outer rings of t... | 09/11/2001 |
| 6266988 | Cross rolling machine An object of the present invention is to provide a cross rolling machine in which the simplification of a drive system and the improved rigidity of a housing are achieved, the accuracy of crossing operation is enhanced, and the economical efficiency is hi... | 07/31/2001 |
| 6138487 | Roll for influencing flatness A roll, particularly a back-up roll, for rolling flat material is composed of a rotating roll shell and a unit arranged within the roll shell for influencing the bending stiffness of the roll shell. The unit for influencing the bending stiffness of the ro... | 10/31/2000 |
| 6094959 | Compression unit for oscillating roll Compression unit for oscillating roll, suitable to generate a compression thrust on a surface subject to translatory movements on a plane which does not contain the axis on which the compression thrust is made. The compression unit include an oscillating ... | 08/01/2000 |
| 5943895 | Dynamic crown control back-up roll assembly The crown on a steel strip in a rolling mill is controlled by a continuous rotational adjustment of an arbor in response to a control signal representing the current crown profile or deviation therefrom, the arbor being equipped with a series of eccentric... | 08/31/1999 |
| 5934129 | System to control the surface profile of the back-up rolls in four high rolling stands and relative back-up roll System to control the surface profile of the back-up rolls in four-high rolling stands (11) to produce flat products (14), the four-high rolling stand (11) comprising working rolls (12) and back-up rolls, wherein each back-up roll (13) comprises deforming... | 08/10/1999 |
| 5875663 | Rolling method and rolling mill of strip for reducing edge drop It is possible, in a rolling method of a strip shifting one-side-tapered work rolls in the axial direction and causing the upper and the lower work rolls to cross each other, to appropriately set a quantity of shift and a crossing angle and to improve an ... | 03/02/1999 |
| 5860309 | Device for the crossed displacement of rolling rolls Device for the crossed displacement of rolling rolls, whether they be back-up rolls (11) and/or working rolls (12), in a four-high rolling mill stand for sheet and/or strip, a back-up roll (11) and the relative working roll (12) defining a rolling block, ... | 01/19/1999 |
| 5839313 | Rolling mill with intermediate crossed rolls background In a mill for cross rolling metal strip and having upper and lower work rolls and backup rolls, at least one crossed intermediate roll is disposed between at least one pair of work roll and backup roll.... | 11/24/1998 |
| 5768927 | Rolling mill, hot rolling system, rolling method and rolling mill revamping method A work roll crossing type rolling mill has back-up rolls arranged in such a manner that their axes are not inclined in a horizontal plane. Work rolls are constructed in such a manner that their axes can be inclined in a horizontal plane relative to the ba... | 06/23/1998 |
| 5692407 | Shape control in a strip rolling mill of cluster type A strip rolling mill of cluster type has, on at least one side of the strip path, a work roll, a plurality of intermediate rolls supporting said work roll and a plurality of backing bearing assemblies supporting said intermediate rolls. Each backing beari... | 12/02/1997 |
| 5666837 | Rolling mill and method of using the same A work roll cross type rolling mill comprises a pair of work rolls and a pair of back-up rolls for backing up the work rolls. The back-up rolls are so arranged that their axes can be inclined within horizontal planes only to three or four specific angular... | 09/16/1997 |
| 5657655 | Tandem mill system and work roll crossing mill In a tandem mill system, at least one first type rolling mill is arranged in the upstream side and at least one second type rolling mill is arranged in the downstream side. The first type rolling mill is of the so-called work roll crossing mill in which a... | 08/19/1997 |
| 5655397 | Method for rolling a plate and rolling mill both using roll shift and roll bend and roll for use therefor The rolling mill includes upper and lower work rolls, a roll bending apparatus for applying a bending force to the upper and lower work rolls, a roll shifter for axially shifting the upper and lower work rolls in opposite directions, and a back-up roll fo... | 08/12/1997 |
| 5655398 | Roll crossing and shifting system Apparatus and method for roll crossing and shifting in which work roll chocks are mounted between Mae West blocks, the chocks and Mae West blocks being provided with opposed contact surfaces defining an angle ଲ to the roll axis, whereby, when the ro... | 08/12/1997 |
| 5515731 | Method and device for monitoring chatter in twin drives of roll stands In chatter monitoring of twin drives of roll stands, vibrations of an upper drive and a lower drive are detected and monitored to determine whether a predetermined amplitude has been exceeded. If the amplitude has been exceeded, a chatter detection signal... | 05/14/1996 |
| 5471859 | Cluster mill crown adjustment system Improved B and C backing bearing assemblies and second intermediate idler rolls, characterized by greatly reduced transverse rigidity, for use in 20-high cluster mills having a 1-2-3-4 roll arrangement. On each of the B and C backing assemblies, spacers a... | 12/05/1995 |
| 5421184 | Additional profile control for cluster mills A crown adjustment system for a 20-high (1-2-3-4) cluster mill comprising rack-actuated crown adjustment saddles on the F and G backing bearing assemblies. The F and G saddles are equal in number and located in aligned positions so that the gear rings of ... | 06/06/1995 |
| 5218850 | Roll bending machine A roll bending machine for bending plates or iron sheets comprising an upper roll for dragging the plate, a central gripping roll and lateral bending rolls beneath the upper roll, wherein the flexure of each roll of the bending machine is opposed by a lon... | 06/15/1993 |
| 5218852 | Multi-roll cluster rolling apparatus A multi-roll cluster rolling apparatus has a pair of work rolls, and a plurality of first intermediate rolls, a plurality of second intermediate rolls and a plurality of backup rolls arranged successively in the mentioned order behind each the work roll. ... | 06/15/1993 |
| 5209095 | Mill for producing strip and use thereof A mill for producing a continuous strip comprising a pair of work rollers having a constant diameter over the work length, at least one local back-up roller having two rotatable contact surface sections, each provided to have a back-up effect on a corresp... | 05/11/1993 |
| 5193377 | Crown adjustment systems on cluster mills A crown adjustment system for a 20-high (1-2-3-4) cluster mill of the type having upper and lower clusters each comprising a work roll, two first intermediate rolls, three second intermediate rolls, and four backing bearing assemblies. Each of the backing... | 03/16/1993 |
| 5181408 | Method of measuring and compensating roll eccentricity of a rolling mill A method of correcting the thickness variations of a rolling plate by controlling at least one of the top or bottom backup rolls of a rolling mill. The method further comprises an off-line eccentricity identification method, and an on-line eccentricity co... | 01/26/1993 |
| 5179851 | Crown adjustment control system for cluster mills There is provided a mill computer control system for automatically controlling the position of the individual drives in accordance with at least one predetermined equation so as to produce variable profile forms of the roll gap. Crown forms and tapered fo... | 01/19/1993 |
| 5170652 | Planetary rolling mill A roll stand for a planetary rolling mill includes two stationary opposed support bodies having an axis and forming a shaping zone there between; a plurality of intermediate rolls and a plurality of working rolls mounted for rotation around the support bo... | 12/15/1992 |
| 5010756 | Method of and apparatus for controlling shape of rolled material on multi-high rolling mill A method of and a device for controlling a counter of a rolled material on a multi-high rolling mill with which method and device very accurate shape control can be attained with certainty and in high responsibility. A strip shape of a rolled material in ... | 04/30/1991 |
| 5007152 | Variable-crown roll A variable-crown roll is disclosed, which comprises a curved arbor, and a plurality of antifriction bearings which are mounted on said arbor, said bearings being asymmetrically disposed with respect to the lengthwise center of said arbor, and bearings on ... | 04/16/1991 |
| 4881396 | Rolling mill stand with axially slidable rolls A rolling mill stand with work rolls which are supported as necessary by back-up rolls or by intermediate and back-up rolls. The rolls are axially slidable relative to each other. The bodies of the rolls are provided with alternatingly concavely and conve... | 11/21/1989 |
