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| Number | Title | Issue Date |
| 8099990 | Roll changing device with wedge adjusting device A roll changing device with a steplessly operating wedge adjusting device that operates on the roll chocks of a roll that is supported on the stand uprights and which roll is to be replaced by another in the chocks in a roll stand. The adjusting wedge has a continuo... | 01/24/2012 |
| 7784321 | Device for adapting working rolls to a rolling line The invention relates to a device for adapting working rolls, in particular of four-high stands, to a rolling line with at least one pair of wedges (1, 1′) in a region between parallel, spaced from each other, rolling mill stands (2, 2′), which are... | 08/31/2010 |
| 7424816 | Roll stand for rolling bar-shaped or tubular stock A roll stand for rolling bar-shaped or tubular stock, having a stand housing, having at least one roll which is arranged on a roll shaft rotatably mounted in the stand housing and is connected in a rotationally fixed manner to the roll shaft via a frictional connect... | 09/16/2008 |
| 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 |
| 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 |
| 6959579 | Triple bearing arrangement for cantilevered roll shafts A rolling mill roll stand comprises parallel roll shafts rotatably supported by axially spaced first and second bearings contained in parallel eccentric sleeves. The eccentric sleeves are rotatably supported in a housing and the roll shafts have cantilevered ends th... | 11/01/2005 |
| 6519994 | Rolling stand with crossing back-up and/or working rolls A roll stand with backup rolls and work rolls for rolling sheet and strip in which the upper and lower work rolls, together with the backup rolls associated therewith, can be displaced from the common vertical plane into positions in which the vertical pl... | 02/18/2003 |
| 6510721 | Rolling mill Work rolls opposed to each other have shafts rotatably supported by upper and lower work roll chocks of a housing, a screw down device for applying a predetermined pressure to the upper work roll is provided in an upper portion of the housing, screw mecha... | 01/28/2003 |
| 6439021 | Device for vertically displacing a roll running on bearings in a roll stand In a device for vertically displacing a lower roll of a pair of rolls, running on bearings in a roll stand (1), for adjusting the upper side of the lower roll to the rolling line, the rolls run on bearings in chocks and optionally can be supported by supp... | 08/27/2002 |
| 6412323 | Cross-roll straightener A cross-roll straightener for blank and black stock, especially rounds, in which the upper roll is mounted on a roll bed guided on columns of the machine frame via adjusting devices. Two diagonally opposite devices have hydraulically-controlled wedges and... | 07/02/2002 |
| 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 |
| 6014263 | Optical lens and method of preventing clouding thereof at high temperatures A method for preventing clouding of a lens employed in a high-temperature oxidizing environment, an example of which is a lens of a pyrometer used to sense exhaust gas temperature (EGT) of a gas turbine engine. Clouding is prevented by inhibiting the gene... | 01/11/2000 |
| 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 |
| 5524470 | Plug mill bottom roll adjustment An apparatus for axially adjusting a bottom work roll of a plug mill to align the grooves of the top and bottom rolls. The apparatus includes a bottom roll chock having a pair of laterally extending members, each carrying a transverse, tapered wing shaped... | 06/11/1996 |
| 5479809 | Apparatus for adjusting the upper edge of a work roll to the rolling line The present invention relates to an apparatus for adjusting the upper edge of a lower work roll of a four high rolling stand to the rolling line. In particular, the apparatus has a horizontally displacable lower wedge element having a stepped sloped upper... | 01/02/1996 |
| 5423201 | Apparatus for continuously shaping a metal tube An apparatus is provided for continuously shaping a metal tube by means of shaping rollers, which are arranged around the tube and consist of pairs of rollers disposed on opposite sides of the axis of the tube. It is desired to permit an adaptation of the... | 06/13/1995 |
| 5363731 | Apparatus for displacing and adjusting powered rolls supported in crossbeams for conveying metal plates An apparatus for regulating and adjusting powered rolls for conveying metal plates supported in tubular crossbeams which is always reliable in operation is very simple in its construction and protected from rust deposits, especially in shears for edge tri... | 11/15/1994 |
| 5351516 | Rail repair device An adjustable elevator rail repair device (14) is provided with a means for forcing raised damaged areas (18) of an elevator rail (10) back into the corresponding depressions (20) of the rail surface (9). The forcing means comprises a roller (24) rotatabl... | 10/04/1994 |
| 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 |
| 5187960 | Apparatus for supporting reduction rolls in a rolling mill An apparatus for supporting a plurality of reduction rolls in a rolling mill. The reduction rolls are individually supported by support structures within the mill housing. Load cells are disposed between one of the suppport structures and the mill housing... | 02/23/1993 |
| 5056345 | Rolling stand with rolling rings supported as a cantilever and having their axes at an angle to each other Rolling stand with rolling rings supported as a cantilever and having their axes at an angle to each other for the rolling of metallic products, the axes of the rolling rings being horizontal, vertical or tilted, the stand comprising shafts (16) to bear t... | 10/15/1991 |
| 4991420 | Roller nip adjustment device An apparatus for adjusting the roller nip in a stand for rolling and/or roll casting. In adjusting the roller nip, the first (lower) bearing housing remains substantially stationary while the second (upper) bearing housing pivots about a pivotal connectio... | 02/12/1991 |
| 4982590 | Roll-forming apparatus for wire stock A roll-forming apparatus is specifically designed to handle metal wires or other wire stock that is not for or is difficult for use in a drawing process, so that it can provide a reduced-diameter wire in a roll-forming process. The apparatus comprises a f... | 01/08/1991 |
| 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 |
| 4962655 | Rolling stand with rolling rings supported as a cantilever and having their axes at an angle to each other Rolling stand with rolling rings supported as a cantilever and having their axes at an angle to each other for the rolling of metallic products, the axes of the rolling rings being horizontal, vertical or tilted, the stand comprising shafts (16) to bear t... | 10/16/1990 |
| 4958558 | Adjusting system for the gap width of support roll pairs in a double-belt press A simple adjustment device for the width of the gap between the support rolls of a double-belt press has conical formations at ends of the rolls bearing against one another and utilizes a relative axial shift of the two rolls to adjust the gap width.... | 09/25/1990 |
| 4959099 | Taper rolling of metal Taper rolling apparatus including a pair of rolls (10,12) the spacing of which can be varied according to the linear movement of a workpiece clamped in a carriage assembly (26). So that the roll gap can remain at a constant mean height throughout the roll... | 09/25/1990 |
| 4811586 | Leveling machine for steel sheet and strip A leveling machine for steel sheet and strip includes changing cartridges between sets of leveler rolls including support rollers and adjustable crossheads. Each changing cartridge includes three cartridge portions which are connected to each other by mea... | 03/14/1989 |
| 4768366 | Wide strip mill using pressure elements An eight-roll cold strip mill for producing strips of wide width and light gauges, utilizing upper and lower small diameter work rolls, a pair of backing rolls for each work roll, and a driven roll for each work roll contacting the backing rolls thereof. ... | 09/06/1988 |
| 4751837 | Method and apparatus for level control of rolling mill rolls A method and apparatus for height or level-positioning of rolls in rolling mill frames, for adapting the upper edge of the lower working roll to the rolling plane, and for changing the rolls, expecially in four-high mills equipped with a roll changing car... | 06/21/1988 |
| 4736609 | Adjusting device for rolling mill rolls The rolls of a rolling mill, especially the working rolls, are horizontally shifted by a compact adjusting device, with use being made, as required, of guide pieces. The device is readily arranged in cylinder blocks, and the movements of the device can be... | 04/12/1988 |
| 4719782 | Rolling mills A machine for controlling the width of workpieces rolled between horizontal rolls includes a pair of vertical edger rolls which are mounted on respective pivotable arms. The pivots for the arms include an eccentric whereby the rolls can be moved closer to... | 01/19/1988 |
| 4715209 | Crown control compensation controlling method in multiple roll mill A crown control compensation controlling method in a multiple roll mill, in which a variation of rolling load caused by crown control is obtained from a crown control quantity. A wedge type hydraulic reduction device is operated according to the variation... | 12/29/1987 |
| 4702099 | Method for automatically adjusting the rolls in a universal type mill stand The rolls of a universal type mill stand are adjusted by moving the lower horizontal roll into position, directly or iteratively, by shifting the upper horizontal roll axially under utilization of the vertical rolls. In the case of conical rolls the latte... | 10/27/1987 |
| 4660400 | Pilger mill stand The disclosed stand comprises a housing with carriers that are located pairwise on either side of the axis of rolling oppositely to each other and accommodate the bearing chocks of the work rolls. The work rolls are disposed one above the other between th... | 04/28/1987 |
| 4649986 | Device for adjusting the width of the gap between the rolls of a continuous casting facility A device for adjusting the size of the gap between casting rolls wherein the rolls are situated in bearings in supporting frames which are a variable distance apart. At least one of the supporting frames features, at its corner regions facing the other fr... | 03/17/1987 |
| 4642087 | One-sided corrugated cardboard machine A one-sided corrugated cardboard machine comprising a machine stand, an upper and a lower fluted roller as well as a pressure roller cooperating with the lower fluted roller and pivotally supported on lever arms at the machine stand, adjustable abutment s... | 02/10/1987 |
| 4545230 | Rotary forming machine having tie bar connection A rotary forming machine assembly including a lower base (12) and a pair of spindle housings (14) including front (16) and rear (18) walls. The housings (14) are movably mounted on the base (12) for movement toward and away from one another. A tool spindl... | 10/08/1985 |
| 4392370 | Two-high rolling stand for bar and/or wire rolling mill A two-high rolling stand (1) for bar and/or wire rolling mill. The rolling stand (1) is characterized in that a roll package, which substantially comprises a pair of rolls (13) with their axial directions in parallel and necessary bearing devices (14) wit... | 07/12/1983 |
| 4329863 | Cooperative rolling process and apparatus A rolling mill apparatus and process comprise a plurality of rolls defining a plurality of roll bites defining a gap spacing between adjacent rolls. A fixed gap spacing is employed for at least one roll bite. A floating gap spacing is provided for at leas... | 05/18/1982 |
