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| Number | Title | Issue Date |
| 7426844 | Device for loading the guide surfaces of bearing chocks supported in the housing windows of rolling stands A device for loading the guide surfaces of bearing chocks (LS) supported in the housing windows (SF) of rolling stands with pressure plates (DP) that can be placed on the guide surfaces and that can be loaded by a hydraulic piston (K) supported in the rolling stand ... | 09/23/2008 |
| 7320237 | Method for measuring misalignment of continuance mill and apparatus for measuring the same While a reference means having a positional relationship to the pass-line of a continuance mill determined in advance and caliber profile (area enclosed by the groove profile of a rolling roll) formed by a rolling roll at each stand are imaged within the same visual... | 01/22/2008 |
| 7225656 | Process for forming a workpiece and rolling machine In the transverse wedge rolling machine as claimed in the invention the drive motor is a permanent magnet motor, especially a torque motor. Furthermore the rotational speed of the rollers is controlled depending on their rotary position. ... | 06/05/2007 |
| 7188496 | Method for detecting the vibrations of a roll stand The invention relates to a method for detecting the vibrations of a roll stand (1) equipped with a hydraulic jack (6) as a device for adjusting the rolling rolls (4, 5). The hydraulic jack comprises a sensor (64) for measuring the positio... | 03/13/2007 |
| 7185519 | Methods and apparatus for monitoring and conditioning strip material Methods and an apparatus for monitoring and conditioning strip material are disclosed. The disclosed methods and apparatus receive encoder signals and sensor data to monitor a condition of a strip material. If an undesired material condition is detected, a material ... | 03/06/2007 |
| 7159433 | Method and device for cooling and lubricating rollers on a rolling stand The invention relates to a method and a device for cooling and/or lubricating rollers, in particular the working rollers (2, 3) on a rolling stand and a rolled strip (1), rolled between the above rollers and transported onwards, using water in the form... | 01/09/2007 |
| 7096701 | Wheel rim rolling apparatus for use in producing a vehicle wheel rim This invention relates to an improved wheel rim rolling apparatus for use in producing a vehicle wheel rim. The wheel rim rolling apparatus includes a top roll assembly having upper rim tools adapted to engage a rim blank or a partially formed rim in order to impart... | 08/29/2006 |
| 7089772 | Adjustable horn for spiral pipe forming machine An adjustable horn or mandrel for a spiral pipe forming machine. Such machines are made for continuously forming metal pipe from an elongated sheet of metal where the sheet is curled into adjacent helical convolutions in a multiple roll pipe forming head. The head i... | 08/15/2006 |
| 7055354 | Method for adjusting a flattener under traction and corresponding device The invention concerns a method for adjusting a flattener under traction and a corresponding device, for providing a metal strip (5) in particular a cold-rolled steel plate, comprising a cage (1), cage posts (8), two stacked cassettes (2, 3 | 06/06/2006 |
| 7044193 | Method of continuous casting In a method for the continuous casting of a thin metal strip according to the two-roll method, metal melt is cast into a casting gap formed by two casting rolls of the thickness of the metal strip to be cast, under formation of a melting bath. In order to for... | 05/16/2006 |
| 7012217 | Method and apparatus for making welded large pipes In a method and apparatus for making welded large pipes, a leading end of a hot strip is connected to a trailing end of a leader strip and then subjected to a two-stage leveling for strip flatness in transverse direction and strip flatness in longitudinal direction.... | 03/14/2006 |
| 6810706 | Apparatus for reducing tension variations in a metal strip The invention provides apparatus and methods for coiling and uncoiling a metal strip in which the angular position of a coiler is measured and an actuator is provided for a moveable roll, the moveable roll position being varied as a function of the coiler. The prese... | 11/02/2004 |
| 6666061 | Apparatus for deep rolling of recesses and radii of crankshaft journal bearings An apparatus (5) for the deep rolling of recesses (4) and radii of crankshafts (1). The deep rolling is accomplished with the aid of deep-rolling rollers (8) which, during revolution of the crankshaft (1), penetrate into the recesses (4) or radii of the c... | 12/23/2003 |
| 6658910 | Roller device and method for adjusting said device A rolling apparatus is proposed with four rolls arranged in the shape of a star whereby one drive unit each is assigned to the rolls and whereby an adjusting unit each precedes the rolls through which the rolls are arranged adjustably in a radial and an a... | 12/09/2003 |
| 6591651 | Sheet metal forming machine In order to improve a sheet metal forming machine comprising a machine frame, a first roller tool mounted on the machine frame for rotation about a first roller axis, a second roller tool which is rotatable about a second roller axis, interacts with the f... | 07/15/2003 |
| 6523383 | Monitoring and controlling system with connectorless quick-change components A monitoring and controlling system for monitoring and controlling various operating characteristics of machine components. The monitoring and controlling system includes a primary transceiver, with sensors and control devices, mounted integrally with the... | 02/25/2003 |
| 6463775 | Method and apparatus for detecting chattering in cold rolling mill The present invention relates to a method for detecting chattering of a cold rolling mill rapidly and accurately, which occurs during cold rolling of a steel strips. The occurrence of the chattering is detected by a plurality of acoustic parameters derive... | 10/15/2002 |
| 6408666 | Rolling mill and rolling method There are disclosed a rolling mill capable of keeping a uniform plate thickness distribution and manufacturing a good-quality plate, and a rolling method. The rolling mill comprises working rolls movable in roll axis directions, profile-measuring means fo... | 06/25/2002 |
| 6354128 | Method to eliminate the play between chocks and relative support blocks in four-high rolling stands and relative device A method to eliminate the play between the chock (13) and the support element (16) in four-high rolling stands (10), the rolling stand (10) comprising working rolls (12) and back-up rolls (11) assembled on respective chocks (13, 14), support blocks (16) t... | 03/12/2002 |
| 6314776 | Sixth order actuator and mill set-up system for rolling mill profile and flatness control A rolling mill stand having a pair of side shiftable rolls defining a roll gap profile therebetween varying along the length of the rolls according to a sixth order polynomial equation. The flatness of the strip exiting the rolling mill stand is controlle... | 11/13/2001 |
| 6295851 | Method of monitoring the distance between the rolls of a roll pair, and means for use in carrying out the method The invention relates to a method of monitoring the distance between the rolls of the roll pairs in a rolling line that includes a plurality of mutually sequential roll units where each unit includes a roll pair and a roller guide for leading a bar sectio... | 10/02/2001 |
| 6266989 | Method and machine for straightening sections A method and a machine for straightening sections by eliminating multi-axle deviations from the required section and from the required straightness using one or more straightening tools arranged, in series above and below the material to be straightened, ... | 07/31/2001 |
| 6173596 | Position detector for roll of rolling stand A position detector used with a roll stand having a fixed frame member and a roll-carrying member movable in a direction relative to the frame member, has first and second sleeves telescoping in the direction adjacent the members, a mount securing one of ... | 01/16/2001 |
| 6164103 | Method for improving the contour of rolled material A method for improving the contour of rolled material over at least one segment of a rolling schedule including a plurality of rolling processes. The method includes associating at least one quality criterion with at least one rolling stand of at least on... | 12/26/2000 |
| 6119500 | Inverse symmetrical variable crown roll and associated method The method and apparatus of the present invention is a rolling mill having rolls with inverse symmetrical profiles and a method of using the same. An inverse symmetrical profile is a profile in which the right and left sides of a roll, with respect to the... | 09/19/2000 |
| 5918493 | Sensor support A contour measuring devices for measuring the contour of hot-strip rolls installed in a roll stand during a rolling process includes a plurality of distance sensors that extend along the length of the hot-strip roll in a perpendicular and non-contacting m... | 07/06/1999 |
| 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 |
| 5680785 | Metal strip planishing installation Installation for planishing a metal strip moving in a longitudinal feed direction, comprising a fixed supporting stand having two vertical members, lower and upper resistant bearing beams and lower and upper planishing roll systems each comprising a row o... | 10/28/1997 |
| 5647238 | Method for suppressing the influence of roll eccentricities on a control for a rolling-stock thickness in a roll stand To suppress the influence of roll eccentricities on a feedback control of a rolling-stock thickness in the thickness control, it is generally known to provide an insensitive dead zone for signal fluctuations caused by the roll eccentricities, and for the ... | 07/15/1997 |
| 5647237 | Process for suppressing the influence of roll eccentricities In a previous process, the influence of roll eccentricities on the output thickness of the rolled material in a roll stand is suppressed by simulating the output signal of an oscillator and supplying this value to a position or thickness control for the r... | 07/15/1997 |
| 5600982 | Method for suppressing the influence of roll eccentricities on the control of the rolled product thickness in a roll stand In the control of the rolled product thickness in a roll stand, to suppress the influence of roll eccentricities, it is known to provide a dead zone which is insensitive to signal fluctuations caused by the roll eccentricities and to vary the zone width o... | 02/11/1997 |
| 5584198 | Apparatus and method for forming metal building panels Apparatus and method for crimping the side walls of a sheet metal building panel independently of a main crimper which crimps the belly of the panel. The depth and the position along the panel of the side crimp is adjusted independently of the main crimpe... | 12/17/1996 |
| 5540072 | Eccentric roller control apparatus An eccentric roller control apparatus is intended to eliminate the adverse effect of the eccentric upper and lower back-up rollers against a product profile with high precision. The rolling weight sensors 7W, 7D sense each rolling weight of a working side... | 07/30/1996 |
| 5502992 | Regulation system in the manufacture of hot rolled strips by means of a multi-stand hot rolling mill The invention relates to control in the manufacture of hot strip by means of a multi-stand hot-strip rolling mill, especially a wide-strip rolling mill, which has a higher-order process control system with a sampling plan with the initial and final dimens... | 04/02/1996 |
| 5461893 | Method and apparatus for bending steel rule An apparatus and method is provided for the automated bending of continuous reels of metal strips, particularly for the bending of sharpened metal strip into steel rule dies. A sequence of steps is provided to perform a number of bends in the strip, at va... | 10/31/1995 |
| 5113677 | Apparatus and method for selectively forming a thickened edge on a plate of formable material In conventional fabrication manufacture the thickness of the steel plates are often determined by the metal section required at the weld joints. The subject apparatus and method overcomes this problem by selectively forming a thickened edge along the edge... | 05/19/1992 |
| 4845970 | Process and apparatus for regulating the synchronization of a pair of rolls Two rolls are supported laterally in bearings in two pairs of side-by-side members with the members being supported by a frame. Adjustment of synchronization and registration is accomplished by adjusting the relative positions of the side-by-side members ... | 07/11/1989 |
| 4796449 | Automatically controlled machine for rolling metal sheets The machine incorporates at least two central rollers appropriately driven, and adjustable in height in order to disengage a finished object. In combination with the central rollers, side rollers are positioned in space by means of jacks. The positioning ... | 01/10/1989 |
| 4790164 | Roller entry guide A roller guide assembly for guiding rolled material between the passes of previous and subsequent roll stands, the assembly being provided with a pair of guide rollers supported for rotation about parallel axes for engaging opposite sides of the rolled ma... | 12/13/1988 |
| 4776192 | Controlling the profile of sheet during rolling thereof A method of controlling the profile of a sheet material while it is rolled between upper and lower working rolls that can be shifted axially and in opposite directions. The profile of each working roll that varies during the time interval between one chan... | 10/11/1988 |
