Class 72/241.2 - Including back-up for roller

Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein at least one of the rollers of a
No. of patents: 57
Last issue date: 08/21/2007

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Number	Title	Issue Date
7257978	Compact cantilever rolling mill and a method of producing a metallic product The invention relates to an apparatus for rolling a metallic product comprising a mill frame (18), a first cantilever roll shaft (19), a second cantilever roll shaft (20), both said roll shafts (19, 20) being mounted on the mill frame (	08/21/2007
7251977	Temper rolling machine of a metal band The invention relates to a method and a machine for temper rolling a metal band including at least two temper rolling units E, E′ each carrying an active cylinder (2) and a set (7, 70) of back-up members mounted rotatably on a transversal chassis (	08/07/2007
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
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
7131307	Compact rolling mill and a method of producing a thin strip The invention relates to an apparatus for rolling a strip (21) comprising a first work roll (24), which is mounted from both ends with bearings (35) to the mill frame, a second work roll (25), which work rolls (24, 25) are forming ...	11/07/2006
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
7086264	Combined drive for a four-or-six-high rolling stand and an operating method for the same A roll stand has upper and lower rotatable working rolls defining a nip that pinches a workpiece strip and upper and lower vertically spaced rotatable backing rolls vertically flanking and engaging the working rolls. A drive includes a motor, upper and lower backing...	08/08/2006
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
7000517	Machine for cross cutting a material web A machine for cross cutting a material web has a main frame part unitarily formed with a pair of transversely spaced main sides and with at least one main traverse extending transversely between the main sides and a secondary frame part unitarily formed with a pair ...	02/21/2006
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
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
6820453	Method of rolling sheet and rolling machine A sheet rolling method uses a rolling mill (10) for rolling a sheet (x). The rolling mill (10) includes upper and lower backup rolls (13, 14), and a pair of work rolls (11, 12) respectively having different diameters and disposed between ...	11/23/2004
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
6446477	Plate rolling mill The invention intends to always maintain a distance between a hydrostatic pressure bearing and a roll even in a transient state before and after the start of rolling, thereby sufficiently and surely preventing damage of those components upon contact with ...	09/10/2002
6250126	Plate rolling mill The invention intends to always maintain a distance between a hydrostatic pressure bearing and a roll even in a transient state before and after the start of rolling, thereby sufficiently and surely preventing damage of those components upon contact with ...	06/26/2001
6220071	Method and apparatus for controlling strip edge relief in a cluster rolling mill Strip edge relief is adjusted in a twenty-high cluster rolling mill by a set of double-tapered intermediate rolls in contact with the work roll. Rolling forces bend the work roll ends toward the tapered sections of the intermediate rolls to provide strip ...	04/24/2001
6151944	Rolling installation for flat products A metal band product rolling installation comprising at least two rolls with parallel axes inside a fixed holding stand (1) having two separate standards (11a, 11b) each forming a closed frame comprising two stiles (12 12'), an upper crossbeam (16) and a ...	11/28/2000
6151943	Rolling machine and rolling method There are provided a rolling machine and a rolling method in which the strip crown and shape control capability for a narrow-width strip is improved, so that the adequate strip crown and shape control capability for strips of various widths from a narrow ...	11/28/2000
6085567	Rolling stand having crossed rolls with variable setting The invention relates to a rolling stand of the type with crossed rolls, for flat products, which comprises at least two working rolls opposed to one another. These rolls are angularly adjustable and such an adjustment is effected by rotating them about a...	07/11/2000
6012319	Rolling mill and rolling method A rolling mill is provided with a pair of work rolls 2, a pair of intermediate rolls 3 and a pair of backup rolls 4 in a mill stand 5, wherein the pair of backup rolls are arranged so that their axial lines cross perpendicularly a plate travelling directi...	01/11/2000
5857372	Housing for cluster mills A cluster mill housing applicable to 20-high and 12-high cluster mills. The mill housing is similar in size and form to a comparable monobloc housing but is made of four distinct parts. The first part is a floor portion having a central lower roll cavity ...	01/12/1999
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
5765422	Device for the crossed displacement of rolling rolls Device for the crossed displacement of rolling rolls, whether they be processing rolls (12) and/or back-up rolls (13), in a rolling mill stand (10) to produce plate and/or strip, the device including an upper rolling block (11a) and a lower rolling block ...	06/16/1998
5556273	Combustion system for a steckle mill A combustion system for use in the steckel mill provides for the controlled mixing of combustible fluids to each furnace incorporated in the steckel mill while also harnessing at least a portion of the heat developed during the operation of the mill to in...	09/17/1996
5524469	Rolling mill stand The invention focuses on improvements to cantilevered roughing, intermediate and finishing rolling mill stands, primarily for long products. A basic improvement to 2-high and cluster mill stands includes mounting of the rolling bearings upon a stationary ...	06/11/1996
5524465	Work rolls crossing type mill, rolling system and rolling method A lubricant is supplied from headers of lubricant supply units onto surfaces of back-up rolls at locations spaced from contact positions between a pair of work rolls and a pair of back-up rolls. The headers each include a lubricant spray nozzle for sprayi...	06/11/1996
5365764	Cross rolling mill, cross rolling method and cross rolling mill system In a rolling mill comprising upper and lower work rolls crossed each other to perform strip crown control, a straight line connecting the center of an operation side screwdown screw and the center of a drive side screwdown screw is inclined relative to a ...	11/22/1994
5291770	Roll crossing apparatus for cross-rolling mill A cross-rolling mill has upper and lower work rolls which can be made to cross one another together with their respective backup rolls by moving upper and lower roll chocks in pass lines opposite to each other with upper and lower cross heads. Upper and l...	03/08/1994
5174144	4-High rolling mill A 4-high-rolling mill includes a pair of upper and lower works, a pair of upper and lower backup rolls supporting the upper and lower work rolls, respectively, a roll bending device for applying a bending force to the upper and lower work rolls, and a rol...	12/29/1992
5038591	Rolling mill and rolling mill method In addition to the usual type of screw-down mechanism, work roll gap is adjusted during work roll change for different diameter work rolls, without removing the back up rolls, by a variable height plate rotatably inserted between the back up roll chocks a...	08/13/1991
4976128	Rolling mill and method of exchanging rolls of rolling mill A rolling mill has upper and lower work rolls brought into contact with a material to be rolled. An upper backup roll supports the upper work roll, and a hydraulic jack above the upper backup roll adds a pressurizing load adjusted in accordance with a rol...	12/11/1990
4938045	Method of ascertaining the magnitude of forces acting upon rolls in rolling mills The magnitude of forces which act upon the rolls in rolling mills can be ascertained by directly monitoring the extent of deformation of the rolls under the action of forces which are applied to the rolls in actual use of the rolling mill. The monitoring ...	07/03/1990
4915024	Press roll of adjustable sag A press roll of adjustable sag has a roll shell which is rotatable around a stationary yoke that is supported on a pedestal. Each end of the roll shell terminates in a journal that is supported by a self aligning bearing disposed within a bearing housing....	04/10/1990
4910988	Method for rolling metal sheets A pair of tapered work rolls are arranged to confront each other and the work rolls are shifted to locate the side edges of a material to be rolled at the tapered portions of the work rolls, by adding the quantity of the movement of the taper-initiating p...	03/27/1990
4907439	Roll stand with system for axially displaceable rolls A roll stand comprises a frame, a pair of upper guide members spaced apart on the frame along an upper axis and a pair of lower guide members spaced apart on the frame along a lower axis parallel to the upper axis. Guide formations between the members and...	03/13/1990
4841761	Multipurpose rolling mill The rolling mill comprises a plurality of working rolls and supporting rolls or a plurality of working rolls, intermediate rolls and supporting rolls. The intermediate rolls with their mounts and the slender working rolls ussed with them in six-high opera...	06/27/1989
4823585	Hot rolling method A hot rolling method using a hot finishing mill including a pair of work rolls each having a taper ground end at one end of its barrel and arranged one above the other with the taper ground ends being on opposite sides so as to locate both edges of a plat...	04/25/1989
4809527	Shapemetering apparatus for continuous monitoring and/or correction of the profile and flatness of rolled metal strip and the like A shape metering process and related apparatus for continuously detecting and measuring the profile and flatness of a rolled metal strip or a non-metallic strip coming off mill rolls, and for making continuous corrections, in real time, of the errors from...	03/07/1989
4805492	Method for controlling a shape of a plate In rolling mill equipment provided with a roll bending mechanism for removing an unacceptable shape of a plate in width direction of the plate and a crown of a plate in the form of an uneven configuration at both edges with respect to a center line of the...	02/21/1989

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Class 72/241.2 - Including back-up for roller