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| Number | Title | Issue Date |
| 7513136 | Lamination process and apparatus for alkali metals or alloys thereof An apparatus for and method of manufacturing lithium or lithium alloy anodes for electrochemical cells by a lamination process wherein a lithium or lithium alloy sheet is reduced into a thin lithium or lithium alloy film. The method and apparatus provide adjustments... | 04/07/2009 |
| 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 |
| 7302820 | Method for changing the configuration of a rolling mill and advanced rolling mill for carrying out said method The invention relates to a method for changing the configuration of a rolling mill including at least two working rolls and two back-up rolls, means for applying a clamping load and two sets of hydraulic cambering cylinders, at least of both working rolls. Ac... | 12/04/2007 |
| 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 |
| 7225657 | Elimination of rolling mill chatter A method for eliminating the vibrational chatter in a rolling mill stand, whereby existing roll chocks are machined to allow commercially available thrusting means, including hydraulic cylinders and the accompanying fittings and tubing, to be installed directly into... | 06/05/2007 |
| 7174758 | Device for measuring the roll gap between the working rollers of a cold or warm rolling stand A device for measuring the roll gap (7) between the working rollers (1a: 1b) of a cold or warm rolling stand for rolling out narrow or wide strips of metal, especially NE metal strips, by means of roll gap sensors (6) whose ... | 02/13/2007 |
| 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 |
| 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 |
| 7021105 | Device and method to bend the rolls in a rolling stand A device to bend the rolls in a rolling stand, wherein each roll to be bent is rotatably mounted in two corresponding chocks each associated to two series of two double-effect actuators, for a total of four actuators for each chock. Each actuator is disposed on oppo... | 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 |
| 6976379 | Device to vary the positioning of the rolling rolls for plane products A device to vary the positioning of a rolling roll for plane products, comprising a housing able to support the roll and the respective chocks thereof. On the crossing plane of the roll and at the two sides of every chock a drawing sector is provided for cooperating... | 12/20/2005 |
| 6748782 | Rolling mill, looseness eliminating device of roll bearing housing, rolling method, method of modifying rolling mill, and hot finishing tandem rolling equipment A rolling mill, a gap-removing apparatus for roll bearing boxes, a rolling method, a modifying method for a rolling mill, and hot finish tandem rolling equipment are provided with roll bearing boxes for rotatably supporting work rolls in a housing, a first pushing d... | 06/15/2004 |
| 6561003 | Support system for cantilevered-roll shafts A rolling stand has a frame and a pair of support shafts centered on respective parallel shaft axes and each having an outer end projecting past the frame, inner and outer axially spaced bearing portions in the frame, and a gear between the respective inn... | 05/13/2003 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6244090 | Roll mill with bending means for the working rolls A roll mill comprising a retaining stand with two distant stanchions (1, 1b), at least two working rolls (2, 2') each rotating respectively in two chocks, and means for applying bending loads to each end of both working rolls, said means comprising, for b... | 06/12/2001 |
| 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 |
| 6164111 | Bending device for two working rolls of a roll stand A description is given of a bending device for two working rolls (1) of a roll stand having guide blocks (6), provided in lateral roll uprights (3), for each of two vertically adjustable pressure transmission elements (4a, 4b), on which the working rolls ... | 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 |
| 6112569 | Bending device for four-high or multi-roll stands A bending device for a rolling mill having four-high or multi-roll stands having working rolls with bearing chucks, support rolls and, as applicable, intermediate rolls arranged between the working rolls and the support rolls. First bending blocks that ac... | 09/05/2000 |
| 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 |
| 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 |
| 6073474 | "C" block roll bending A work roll bending system for profile control of continuous metal strip during rolling which is especially useful for retrofitting an existing rolling mill absent such feature to provide it with roll bending capabilities. The advantage of the system is i... | 06/13/2000 |
| 6038906 | Roll stand for strip rolling A roll stand with work rolls supported by a back-up roll either directly or through an intermediate roll, particularly work rolls which are axially displaceable in opposite directions, wherein at least one of the rolls of the roll stand is constructed wit... | 03/21/2000 |
| 6029491 | Continous spiral motion and roll bending system for rolling mills A system and method for extending work roll useful life and controlling workpiece profile during thickness gauge reduction of continuous metal strip by axially shifting rotating work rolls during rolling, applying work roll bending forces at locations for... | 02/29/2000 |
| 6003355 | Rolling mill and rolling method To provide a rolling mill in which work rolls being supported horizontally by static pressure bearings wherein, even under the action of an excessive horizontal force, preventing contact between the work rolls and the static pressure bearings to ensure th... | 12/21/1999 |
| 5921129 | Device for the crossed displacement of rolling rolls Device for the crossing of rolling rolls, whether they be working rolls (13) and/or back-up rolls (12), in a four-high rolling mill stand (10) for plate and/or strip, the device including an upper rolling block (11a) and a lower rolling block (11b), the w... | 07/13/1999 |
| 5911782 | Compensation device for chocks in four-high rolling mill stands with crossed displacement of the rolls Compensation device for chocks in four-high rolling mill stands (13) with pair crossing of the rolls (12,112,14,114), the device (10) cooperating with the opposed sides of at least one chock (11) of at least one back-up roll (12, 14), the rolling mill sta... | 06/15/1999 |
| 5906129 | Process for rolling flat material and strip The present invention relates to a process for rolling a roll material through a roll stand having work rolls and support rolls and having devices for balancing and positively and negatively bending the work rolls mounted in chucks of the work rolls. The ... | 05/25/1999 |
| 5842368 | Multiroll stand A six-high multi-roll stand (1), has one top and one bottom work roll (2, 3) which are supported in chocks (4, 5), with one top and one bottom intermediate roll (6, 7) which are supported in chocks (8, 9), and with one top and one bottom back-up roll (10,... | 12/01/1998 |
| 5813268 | Block to provide curvature and balancing for four-high rolling mill stands to process strip or plate Block to provide curvature and balancing, which is suitable to impart an "IN" or "OUT" pre-curvature to processing rolls (11) of a four-high rolling mill stand (12) comprising a pair of processing rolls, lower (11a) and upper (11b) rolls respectively, eac... | 09/29/1998 |
| 5806360 | Rolling mill installation A rolling mill comprising at least two work rolls supported by chocks (4, 40) mounted so as to slide, with clearance, between two fixed guide faces (13a, 13b). Each chock (4, 40) is thrust laterally against the guide faces (13a, 13b) in order to take up t... | 09/15/1998 |
| 5720196 | Hot-rolling method of steel piece joint during continuous hot-rolling A method for continuously hot-rolling steel pieces, includes butt-joining the rear end of the preceding steel piece and the leading end of the succeeding steel piece, then finish-rolling the butt-joined steel pieces by supplying a continuous hot rolling f... | 02/24/1998 |
