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Class 72/241.6 - Hydraulic or pneumatic force appliers spaced along roller axis


Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein the provision of the back-up means
No. of patents: 62
Last issue date: 09/26/2006


1    
NumberTitleIssue Date
7111486Roll 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
6921450Soft contact roll for a single facer
A soft contact roll is mounted immediately downstream of the generator roll in a single facer to press the freshly glued single face web against the surface of the heated fluted bonding roll with a light load uniformly distributed across the full width of the web. T...
07/26/2005
6581429Strip wiper device, strip wiping method, rolling mill and rolling method
To improve the productivity of the cold rolling facility by providing the cold rolling facility with a strip wiper free of dust and foreign matters suitable for high-speed rolling. The wiping ability was greatly improved by floating and supporting the wip...
06/24/2003
6216505Method 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
6151944Rolling 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
5904058Decamberer
Camber of a travelling wide strip is provided by a pair of opposed rollers adapted to bear on opposite wide sides of such a strip. Mutually independent means are provided to provide deforming pressure at a selected end of said opposed rollers....
05/18/1999
5609054Rolling mill for flat products
A rolling mill for flat products characterized by a roll assembly including a pair of work-rolls confronted reciprocally, and support-rolls divided by not less than three partitions in a roll axiswise direction which are provided, independently, with load...
03/11/1997
5419242Roller arrangement with a deflection compensation roller
A roller arrangement with a deflection compensation roller and a counter roller. The deflection compensation roller has a shell, through which a hydrostatic support device is supported on a carrier. The shell-ends are each supported on a ring bearing whic...
05/30/1995
5335387Device for drying a rolled metal strip
A device for wiping moisture off opposite sides of a rolled metal strip comprises at least two wiping rolls disposed at the opposite metal strip sides transversely to the direction of conveyance of the metal and pressed thereagainst by rollers grouped in ...
08/09/1994
5329849Self-loading controlled crown roll
A press roll for forming a controlled press nip with an opposed roll, such as in a papermaking machine, including a rotatable roll shell with a support shaft extending axially through the roll shell and controllable hydrostatic support elements positioned...
07/19/1994
5308307Working roll for a rolling mill
An installation for rolling a flat product, comprising a support stand composed of two spaced uprights between which is placed a plurality of superposed rolls, between which a squeezing force is applied, for rolling a product (B) passing between two work ...
05/03/1994
4989431Rolling device
A roll device has upper and lower controlled deflection rolls, having sleeves which are rotatable about respective non-rotatably mounted carriers are supported on the carriers by means of force generators in the pressure plane of the roll device, and are ...
02/05/1991
4936207System of rolls in a supercalender
A supercalender comprises a stationary variable-crown upper roll (1), a floating variable-crown lower roll (2), several intermediate rolls (3,4) between the upper roll (1) and the lower roll (2), and a hydraulic control system. The upper roll (1) has a ro...
06/26/1990
4912956Process and apparatus for rolling a metal sheet or strip
A process and apparatus for rolling a metal product (5) in a "four-high" type rolling mill comprising two work rolls (1) and (2) interposed between two backup rolls (3) (4) at least one of which is of the variable camber type having a cylindrical casing (...
04/03/1990
4882922Rolling mill roll with rotating shell
A roll with rotating shell comprising a fixed support beam (2), a tubular shell (1) rotatably mounted on the support beam (2) about an axis, a plurality of shoes for holding the shell distributed side by side along the length of the beam in an axial beari...
11/28/1989
4852229Self-loading controlled deflection roll
A self-loading type of controlled deflection roll has two sets of opposed, hydraulically actuated pressure shoes extending along its length. Each set of opposed pressure shoes is arrayed in a plane and the two planes intersect perpendicularly with their l...
08/01/1989
4841610Device for adjusting the profile of a roll with a deformable wall
A device for adjusting the profile of a roll with a deformable wall (1) mounted rotatably about a central shaft (2). Blocks (3) are aligned along the axis between a bearing face (21) of the shaft (2) and the cylindrical inner face (12), and hydraulic thru...
06/27/1989
4813349Roll calendar system with different size hydrostatic supporting elements
A system of rolls for use in a calender has an end roll with a fixed carrier and a deformable hollow cylindrical shell surrounding the carrier with freedom of radial movement and defining with a neighboring roll an elongated nip for a running web of paper...
03/21/1989
4793250Method and apparatus for controlling deflection of an adjustable crown roll
A method and apparatus for obtaining substantially uniform profiles of the roll mantles of an adjustable-crown roll and a counter-roll at a nip formed therebetween wherein the bearing distance of the counter-roll is substantially larger than the bearing d...
12/27/1988
4791863System for controlling the nip pressure profile in a roll press
Method and apparatus for controlling the transverse distribution of pressure applied to a web passing through a nip formed between a pressure zone-adjustable device having a first number (K) of separately adjustable pressure zones, including those for rol...
12/20/1988
4753093Planarity control in the rolling of flat stock
A conventional planarity control system with feedback loop is used but augmented by a lead function having its principal input actually occuring rolling force and variations thereof under consideration of the statistical relationship between rolling force...
06/28/1988
4742706Strain imparting device
A device for imparting strain to a steel sheet by which deformed regions spaced at a desired distance and having a minute linear shape are continuously formed, comprising: a strain imparting roll having projected portions on the surface thereof; a press r...
05/10/1988
4735073Pressure and heat treatment roll
A roll for treating a web of material includes a hollow roll supported for rotation about a stationary cross piece. Between the inside circumference of the hollow roll and the cross piece, a longitudinal chamber filled with temperature-controlled pressure...
04/05/1988
4709571Method of operating a controlled deflection roll and a rolling mill equipped with at least one controlled deflection roll
A method of operating a controlled deflection roll having a stationary roll support or beam and a roll shell or jacket rotatable about the stationary roll support. The rotatable roll shell is supported in relation to the stationary roll support by means o...
12/01/1987
4676085Rolling mill for controlling the contour of a workpiece
A back up roll assembly for supporting an intermediate roll and an upper work roll consists of a plurality of rotatable rollers spaced apart on a common shaft by fixed saddles and in engagement with the intermediate roll. The number of saddles exceeds one...
06/30/1987
4658621Rolling apparatus
The rolling apparatus contains a controlled deflection roll and, in order to improve uniformity of the roll nip or gap or to more precisely maintain a desired rolling profile, a counter roll contains a journal-less tubular roll or shell which is articulat...
04/21/1987
4651547Process for adjusting the thickness and profile of a flat product in the course of rolling
At an installation comprising a roll stand having at least one roll of the variable camber type, comprising a fixed support and a casing carried by at least three jacks and rotationally movable about the support, the pressure of the fluid in each of the j...
03/24/1987
4644860Method of controlling the line pressure distribution in a roll arrangement
In a roll arrangement a control device is applied with information concerning the width of the web, and the pressure profile to be applied to the web, and the average pressure to be applied to the web. Control signals are generated provided to support ele...
02/24/1987
4633774Control device for a roll press
A control device in particular in a multi-roll press (22 to 24) of a calender intended for the glazing of a continuous thin web, such as a paper web, which said press comprises a compensated upper roll (22), a compensated lower roll (24), and at least one...
01/06/1987
4625637Roll assembly for use in calenders and the like
The roll assembly of a calender has at least one roll with a deformable shell which surrounds a rigid carrier and whose end portions surround discrete antifriction bearings. The intermediate portion of the shell surrounds one or more rows of hydrostatic s...
12/02/1986
4611479Method and apparatus for rolling metal foils
In rolling metal foils, such as aluminum foils, especially very thin foils in the range down to 10 μm, an improved uniformity of the foil thickness over the width of the foil sheet and, simultaneously, greater rolling speeds of the foil sheet are obtaine...
09/16/1986
4603569Pressure controlled plate mill
A mill and a method for rolling flat workpieces of great width such as metallic strip, plates and the like. The mill comprises upper and lower housing beams joined at their ends by pairs of channels defining windows in which chocks are slidably mounted. U...
08/05/1986
4597326Roller press
Regulating means in a roller press comprising a number of rolls for the adjustment of a press load and a deflection in deflection compensated rolls, especially in a calander stack provided for the glazing of a continuous thin running web like a paper web....
07/01/1986
4597275Calender
The calender comprises a predetermined number of rolls and at least one of the rolls, for example, the outer roll or the lowest roll of such predetermined number of rolls is structured as a tubular roll or controlled deflection roll comprising a stationar...
07/01/1986
4577480Method and apparatus for controlling rolling correction in rolling mill
In a rolling mill of the type in which horizontal pushing forces are exerted to a work roll exerted with a rolling force so as to bend the work roll, thereby controlling the flatness of a strip being rolled, a method and apparatus for controlling rolling ...
03/25/1986
4530227Hydrostatic support member, particularly for rolling mills, and method of using the same
In a hydrostatic support member a piston which is axially movable in a pressurized fluid medium-supplied cylinder carries at the end thereof which is remote from the cylinder at least two bearing shoes which are axially movable independently of each other...
07/23/1985
4509237Arrangement containing a controlled deflection roll and related regulator
An arrangement containing a controlled deflection roll which is supported by means of support or pressure elements against a roll support or beam. There is also provided a regulation arrangement for regulating the position of the roll shell, wherein the p...
04/09/1985
4502312Apparatus for controlling the pressing force between a controlled deflection roll and a counter element
An arrangement for controlling the pressing or line force of a controlled deflection roll comprises a common adjustment or setting element for separate controllable supporting force sources or force-applying sources. Between the adjustment element and the...
03/05/1985
4494396Multistage rolling mill with flatness control function
The present invention considerably improves the rolling mill in the flatness control function, by arranging either of a pair of upper and lower work rolls as a small-diameter roll, offsetting the small-diameter work roll by a required distance in the roll...
01/22/1985
4481799Arrangement for regulating a rolling mill for metal rolling
An arrangement for regulating a rolling mill for metal rolling, the work rolls of which are supported by guided roll shells of a lower controlled deflection roll and an upper controlled deflection roll, the roll shells being supported by means of hydrosta...
11/13/1984
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