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| Number | Title | Issue Date |
| 7698923 | Method of and device for exchanging sets of rolls A method of and an installation for exchange of roll sets (5, 6) contemplate provision of a number of separate transversely displaceable carriages (9, 10, 11), whereby individual worn-out working roll sets (6) are displaced along a single connec... | 04/20/2010 |
| 7467533 | Method and apparatus for rapidly changing a working roll of a roll stand Method for changing working rolls of a roll stand provided with a roll displacement device located on the first side of the stand moving a roll along a loading axis (C, C′). Each has fastening means at a first end towards the first side and matching fastening mean... | 12/23/2008 |
| 7381301 | Device and working method for automatically changing the work rolls, the back-up rolls and the intermediate rolls of a single-stand or multiple-stand strip mill A roll changing carriage can be displaced transversely with respect to the strip rolling stand and a removal crossbar is provided for the removal of the set of backup rolls. In order to shorten the roll changing times and to automate the changing of the rolls, the r... | 06/03/2008 |
| 7363793 | Rolling mill comprising means for exchanging the rolls The invention relates to a rolling mill (1) comprising several rolling frames (Fi) and support plates (7) that are provided on the operator side (BS) of the frames (Fi) and can be displaced transversally to the roll axes, said plates being equipped to ... | 04/29/2008 |
| 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 |
| 7337643 | Rolling mill drive with a coupling and decoupling device A rolling mill drive with at least one drive spindle arranged between a drive unit and a driven roll and terminating in a spindle head connected detachably to the neck of the roll. A coupling and decoupling device is arranged between the neck of the roll and the spi... | 03/04/2008 |
| 7299729 | Rotary die module A die apparatus for supporting and retaining rotary dies in operation having a base, a cover supported by a plurality of columns, a cross member moveable along the columns and modular die supports rollingly engaged with the rotary dies. A method of installing and re... | 11/27/2007 |
| 7188502 | Method and device for changing the rolls of a tube welding stand The invention relates to a method for changing sets of top rolls, lateral rolls, and a bottom roll, and mounted in chocks of a welding stand of a continuously operating longitudinal tube welding machine. The inventive method enables the rolls to be changed faster, u... | 03/13/2007 |
| 7175578 | Rotary die cutter with rectilinear split die cylinder translation A rotary die cutter having an anvil cylinder that is operable alternately with one of a pair of die cylinders includes a vertical support and rectilinear translation arrangement that permits selective repositioning of each of the die cylinders between an operative p... | 02/13/2007 |
| 7168280 | Roll-changing tool Roll-changing tool having a dismantling device which can be supported on a rolling machine by a hook and which, on a carrier, has a lifting device mounting and a roll holder for a roll journal of a roll, the carrier having a trolley which can be moved in its longitu... | 01/30/2007 |
| 7165432 | Method and device for changing pairs of working rolls and/or pairs of back-up rolls on roll stands A device for changing pairs of work rolls and/or pairs of backup rolls of roll stands, wherein the rolls are each supported in chocks and are movable out or in by a lower back up roll supported on a track and wheels. The work rolls on the drive side of the roll stan... | 01/23/2007 |
| 7134818 | Tool-holding system for high-accuracy calibration of holes The invention relates to the field of toolings for high-accuracy finishing through-holes and non-through-holes, such as for example for calibration, lapping operations. More precisely the invention refers to a tool-holding system for high-accuracy calibration of the... | 11/14/2006 |
| 7086263 | Universal rolling stand with roll gap control A universal rolling stand with control of the space between the rolls comprises a pair of horizontal rolls and one or more vertical rolls with respective chocks, positioning housings and a guide for the chocks with adjustment tie rods (6, 7, 6′, 7′, 18, 18′... | 08/08/2006 |
| 7010952 | Device for holding at least one roller of a rolling machine A device for holding at least one roller of a rolling machine that can rotate about a rotational axis includes two holding arrangements that can be arranged on opposite faces of the roller viewed in the direction of the rotational axis. The device further includes a... | 03/14/2006 |
| 6959578 | Multi-row rolling mills, methods of operating these mills, and rolling equipment using the mills A multi-row rolling mill has in one housing at least two groups of rolls including at least one pair of work rolls, and constructed so that when the workpiece to be rolled is passed one time, it can be rolled using said respective work rolls. The multi-row rolling m... | 11/01/2005 |
| 6945084 | Rolling mill for rolling or sizing metal pipes A rolling mill for rolling or sizing of metallic pipes, bars and wires has a plurality of rolling units which are arranged on a straight line close to one another and can be exchanged in total, partly or individually, each of the rolling units having at least three ... | 09/20/2005 |
| 6904781 | Disassemblable rolling mill stand Disassemblable rolling mill stand, of the type involving a bedplate structure with a substantially “U”-shaped embedding structure (1), within which the rolling mill assembly is embedded and fixed (2), with at least one couple of horizontal rolling ... | 06/14/2005 |
| 6837090 | Rolling line for the continuous rolling of strand-shaped products A rolling train for the continuous rolling of strand shaped products has at each rolling location a pair of fixed stations which are closely spaced and have rails such that a mill stand at one station can be displaced away from the rolling line and be replaced at th... | 01/04/2005 |
| 6792783 | Quick change cassette system for multi-roll leveler A quick change cassette system for a multi-roll leveler, such as may be used to flatten strips of material. The quick change system is designed for use with a leveler having an upper and lower cassette assembly containing upper and lower work rolls, respectively. Th... | 09/21/2004 |
| 6672124 | Rolling mill train with staggered mills, especially as a tandem rolling installation A rolling roll train of the staggered-roll tandem type has a pair of upright stand walls with windows or openings for receiving a multiplicity of pairs of rolls which can be changed as a unit. The fact that unitary walls with traverses between the walls f... | 01/06/2004 |
| 6460389 | Method and apparatus for rolling of heated metallic products Rolling of metallic products to be heated to form wires, rods and seamless pipes, includes rolling of wires or rods as well as rolling of seamless pipes on a same rolling apparatus, and using a part of aggregates of the same rolling apparatus both for rol... | 10/08/2002 |
| 6425278 | Roll changing apparatus of rolling mill In a roll changing apparatus of a rolling mill, a stationary roll changing table is provided on a front surface of a work side of the rolling mill. Pull-out rails and upwardly and downwardly movable shift rails are provided on the roll changing table. Shi... | 07/30/2002 |
| 6408667 | Four-high mill stand roll change device, a method of retrofit, and a roll change device therefrom The invention is directed to a roll change device for use in a four-high rolling mill stand, and in particular it is directed to retrofitting an existing four-high rolling mill stand with a roll change device comprising actuators that are fastened to oppo... | 06/25/2002 |
| 6397924 | Strip casting apparatus Apparatus for continuously casting metal strip comprises a pair of parallel casting rolls (16). In use of the apparatus molten metal is delivered between the casting rolls which are rotated to deliver cast strip product downwardly from the rolls. Casting ... | 06/04/2002 |
| 6354127 | Straightener for rolled ferrous products, having horizontally openable shoulders for fast change of the rolls The invention refers to a straightener for rolled ferrous products, of the type in which a framework (11) comprises a pair of opposed shoulders (12, 13) which support two sets of rolls, a top set (14) and a bottom set (15), which define between them a str... | 03/12/2002 |
| 6341897 | Roll support frame without housing A roll support frame without housing for pairs of rolls is supported on two sides in bearing chocks, wherein the roll support frame can be moved into and out of a unilaterally open housing which contains the drive transmission and adjusting devices for th... | 01/29/2002 |
| 6305205 | Universal rolling mill stand A universal rolling mill stand with horizontal and vertical rolls, adjustably supported in two parallel roll posts is disclosed. The universal rolling mill stand enables a simple construction and operational process if the horizontal rolls are received, w... | 10/23/2001 |
| 6253593 | Piercer roll exchanging apparatus for vertical piercing mill and piercer roll exchanging method A piercer roll exchanging apparatus for use in a vertical piercing mill, as well as a piercer roll exchange method for use with the apparatus, which can automate the exchange of piercer rolls and which are suitable for flexible manufacture of small quanti... | 07/03/2001 |
| 6240763 | Automated rolling mill administration system An integrated plant for the production of elongated product of relatively small cross section, such as bars and rods, contains an automated system for the administration of rolling mill operation. The system provides for the stand-by storage of mill stand... | 06/05/2001 |
| 6202464 | Universal rolling mill The present invention provides a universal rolling mill in which rolls including width-variable rolling rolls can be replaced at a time even if the universal rolling mill is of a type in which a yoke is caused to recede upward. A concrete structure of the... | 03/20/2001 |
| 6167738 | Method and apparatus for replacing the rollers of rolling mills having different sizes A method and apparatus for replacing rollers of rolling mills of different sizes involves rollers having lift trunnions mounted on a roller stand in a rolling mill by a roller mounting comprising a plurality of mounting pieces on both ends of the rollers ... | 01/02/2001 |
| 6164366 | Strip casting apparatus Apparatus for continuously casting metal strip comprises a pair of parallel casting rolls (16). In use of the apparatus molten metal is delivered between the casting rolls which are rotated to deliver cast strip product downwardly from the rolls. Casting ... | 12/26/2000 |
| 6098439 | Device for changing the rolls and/or the intermediate rolls in a roll stand and storage rack for such a device A device and method for changing rolls in a roll stand. Each stand includes two working rolls, each having a backing up assembly including at least one intermediate roll. An adjustment structure is provided for adjusting levels in relation to the axes of ... | 08/08/2000 |
| 6053020 | Device and method for rapid roll changes in a six-high roll stand A device and a method for rapid roll changes in a six-high roll stand, wherein the device includes a roll change carriage with a unit for moving the carriage relative to the roll stand parallel to and transversely of the rolling direction, and two retaini... | 04/25/2000 |
| 6041635 | Unit for rolling pipes on a mandrel A rolling mill for rolling pipes on a mandrel (40) is formed by an alignment of rolling units according to the invention, each rolling unit comprises an outer annular structure (2) formed by at least two plate-shaped elements (3) connected rigidly to one ... | 03/28/2000 |
| 6041637 | Roll replacing method and system for chockless rolling mill A roll replacing method and a roll replacing system for a chockless rolling mill, in which bearings for supporting the ends of work rolls are supported at an eccentric position of rotary bushes on housings, and the rotary bushes are turned to set a roll g... | 03/28/2000 |
| 6038905 | Device to remove working rolls in a four-high rolling stand Device to remove working rolls in a four-high rolling stand includes an upper working roll (11a) and a lower working roll (11b), associated with respective supporting chocks (12a, 12b), and relative back-up rolls, upper (13a) and lower (13b), associated w... | 03/21/2000 |
| 5979206 | Rolling train A rolling train, particularly a tandem stand group, includes three roll stands, particularly two universal stands and an edging stand, wherein a middle stand of the three stands or the edging stand is moveable out of the stand group transversely of the ro... | 11/09/1999 |
| 5950477 | Roll forming machine and method for changing side roll stands A roll forming machine includes side roll stands which are changed by use of a cart and set up fixture which are movable parallel to the pass line through the stands. When a side roll stand is to be changed, a changing cart is moved into position such tha... | 09/14/1999 |
| 5941115 | Rolling train A rolling train, particularly tandem stand group, includes roll stands, particularly two universal stands and an edging stand arranged between the universal stands, wherein the roll stands are each equipped with guide fittings, and wherein the rolling tra... | 08/24/1999 |
