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| Number | Title | Issue Date |
| 8091394 | Foreign pipe or tube determining method There is provided a foreign pipe or tube determining method capable of accurately determining a foreign pipe or tube. The foreign pipe or tube determining method in accordance with the present invention includes a step for determining the presence of a foreign pipe ... | 01/10/2012 |
| 7201056 | Device and method for measuring an extruded flat-cable conductor Provided is a device for measuring at least one parameter of an extruded flat conductor cable in a water bath that follows the extruder. The device distinguishes itself in that the flat conductor cable is guided with one of its flat sides essentially perpendicular a... | 04/10/2007 |
| 7170284 | Blade detection sensor having an active cooling system A passive blade detection sensor exploits the electrically conductive trait of typical turbo machinery components such as fan, compressor and turbine blades. A permanent magnet is placed strategically adjacent to a wire coil to generate a single pulse/antipulse sign... | 01/30/2007 |
| 7100411 | Device for reshaping and/or folding bodies of cans A can body is fitted to an inner shaping tool rotatable adjacent a freely rotatable outer shaping tool outside the can body. An arm having an outer end rotatably carrying the outer shaping tool and an inner end is pivotal about its inner end. The inner tool and the ... | 09/05/2006 |
| 7076979 | Method and device for producing curved lengths of spring band steel In a method and a device for producing curved lengths of spring band steel in order to produce precisely toleranced, dimensionally stable bending radii, the spring band steel (10) pass through a bending unit (20), which is comprised of three support po... | 07/18/2006 |
| 7062947 | Cutting and folding machine A machine for cutting and edge folding foils includes a cutting/folding station. At the cutting/folding station is a folding form about which the foils may be folded. A feeder feeds a length of foil to the cutting and folding station. At the folding station a cutter... | 06/20/2006 |
| 7043951 | Wire rod-forming machine To provide a wire rod forming machine for which it is possible to increase the production speed above that of the prior art. In the ring-forming machine 10 of the present configuration, between the respective edges 42 and 51 of the moving die | 05/16/2006 |
| 7032420 | Method for real-time adjustment of a planisher A method for real-time adjustment of a planisher for planishing metal strip. After a planished strip has been cut into a plate, the method includes measuring the plate at the output of the planisher outside a support zone, correcting the measurement so as to elimina... | 04/25/2006 |
| 6968720 | Cold rolling method and apparatus for forming annular pieces A cold rolling method and apparatus for forming an annular workpiece (10) with an outer surface (11) having a given contour and an inner surface (12) having a given contour, starting from an annular blank. A rotatable forming mandrel (21)... | 11/29/2005 |
| 6948346 | Method for specifically adjusting the surface structure of rolling stock during cold rolling in skin pass mills The invention relates to a method for specifically adjusting the surface structure of rolling stock (3) during cold rolling in skin pass mills. The aim of the invention is to partially transfer the surface structure of the working roll (2) onto the rol... | 09/27/2005 |
| 6920774 | Drive system for multi-roll leveler A drive system for a multi-roll leveler. The drive system is coupled to a set of upper work rolls of the leveler. Preferably, the lower, and not the upper set of work rolls provide the bending necessary to flatten the strip of material. The drive system employs a ge... | 07/26/2005 |
| 6915673 | Method of rolling worm gear and the worm gear A worm is formed by rolling to reduce the number of processing steps while ensuring the worm accuracy satisfactorily. A work material is positioned between a first rolling die (100) and a second rolling die (101) by rotation of the rolling dies and a s... | 07/12/2005 |
| 6771363 | Device and method for determining a bending angle of a sheet and the use thereof for the angle-bending of sheets A method for determining the bending angle of a sheet which has been bent along a bending line, by generating at least one light beam, using these beams to project two points or line segments onto a part of the sheet to be checked which lies on one side of the bendi... | 08/03/2004 |
| 6708547 | Rolling mill and rolling method There are disclosed a rolling mill capable of keeping a uniform plate of 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 for measur... | 03/23/2004 |
| 6672123 | System for cold-forming a flange A flange is formed on a workpiece by first mounting the workpiece in an inner holder shiftable along about a main axis and securing the inner holder against rotation about the main axis. A roller is rotated about the main axis adjacent the inner holder. T... | 01/06/2004 |
| 6615634 | Plate width adjusting apparatus and plate width adjusting method A plate width adjusting apparatus 1 for adjusting a strip 53 for a predetermined plate width, which is installed on a production line for the strip 53, is provided with bridle rolls 2 and 3. The bridle rolls 2 and 3 give tension in the transfer direction ... | 09/09/2003 |
| 6479992 | Leakage flux flaw detecting method and method for manufacturing hot rolled steel sheet using the same The present invention provides a leakage flux flaw detecting method in which a ferromagnetic substance such as a steel sheet or coil is magnetized by a plurality of magnetic fields with different intensity and magnetic flux leaking from the ferromagnetic ... | 11/12/2002 |
| 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 |
| 6349581 | Method for controlling the tension between roll stands of mill trains for steel bars, wire or profiles Rolling stock is transported in a transporting device from a front roll stand to a rear roll stand. Between the roll stands, the rolling stock carries out an oscillation transverse to the transporting direction. At least one characteristic property, ampli... | 02/26/2002 |
| 6279367 | Multiple bar straightening and cutting system in bar steel rolling line A multiple section bars straightening/cutting system in a bar rolling line comprises a multiple section bars straightening apparatus, an inlet side introduction pinch roller, a multiple traveling section bars cutting apparatus and a rear surface tilting t... | 08/28/2001 |
| 6266983 | Method and apparatus for detecting flaws in strip, method of manufacturing cold-rolled steel sheet and pickling equipment for hot-rolled steel strip A flaw detecting method and apparatus for continuously testing a strip that is continuously carried through a liquid includes features for reducing air bubble generation in a liquid. The apparatus includes a liquid, carrying rolls for passage of the strip... | 07/31/2001 |
| 6230531 | Rolling data collecting method and system The rolling data collecting system according to this invention collects rolling data of a rolled strip to be serially rolled through a tandem rolling mill, using the first rolling data measuring means installed at each roll stand and the second rolling da... | 05/15/2001 |
| 6161406 | Method of preadjusting cold deforming plants A method of preadjusting cold deforming plants, such as cold rolling trains, skin pass stands, stretcher-and-roller levelers, straightening machines, and the like, wherein the hardness of the material to be deformed is measured shortly before the cold def... | 12/19/2000 |
| 6070443 | Apparatus for forming an annular member In an annular member forming apparatus including: a forming roll rotatable in contact with an outer cylindrical surface of an annular workpiece; a mandrel relatively movable towards and away from the forming roll in contact with an inner cylindrical surfa... | 06/06/2000 |
| 6029485 | Roller levelling machine for levelling a rolled section A roller levelling machine for levelling a rolled section includes a section inlet for introducing the rolled section into the roller levelling machine and a plurality of bending rollers for levelling the rolled section. The roller levelling machine furth... | 02/29/2000 |
| 5996384 | Hot flat rolling mill stand and control method and apparatus therefor The invention relates to a rolling mill stand including an automatic strip steering and control system, comprising at least two rolls arranged alongside each other and permitting strip to pass between them from an entry side to an exit side, and comprisin... | 12/07/1999 |
| 5970769 | Apparatus for bending sheet stock A side panel assembly is disclosed which is of simple construction and provides easy access to the assembly contents for servicing or the like. The side panel assembly includes a front wall (14), a back wall (12) and a side wall (16) which is bent to matc... | 10/26/1999 |
| 5904058 | Decamberer 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 |
| 5794473 | Method of regulating the cross-section of rolling stock A method of regulating the cross-section of rolling stock through a looper for the rolling stock, particularly between roll stands in section rolling mills. In accordance with the method, the horizontal forces in the rolling stock are varied by varying th... | 08/18/1998 |
| 5722278 | Roll forming apparatus A roll forming apparatus incorporates tension rolls which feed a material along a longitudinal direction thereof. The tension rolls are arranged at predetermined intervals and are driven. Also, forming rolls which form the fed material are arranged altern... | 03/03/1998 |
| 5689986 | Apparatus and method for prenotching and dimensionally measuring a roll formed part A plurality of successively spaced notches are formed in a side edge of a metal strip by first and second adjustably positionable dies prior to roll forming of the strip to a formed configuration. After roll forming, fingers engage selected edges of the n... | 11/25/1997 |
| 5687595 | Method of and apparatus for correcting curvature of rolled metal strip Downstream of an uncoiler, a stretch-bend leveler is provided in a strip line to correct curvature in the strip plane. One or more rollers of the stretch-bend leveler are swingable about a horizontal or vertical axis at the end of the roller in response t... | 11/18/1997 |
| 5379631 | Flatness detector A flatness detector has a fixed shaft and a plurality of rotary rings loosely fitted over the shaft and adjacent to each other along an axis of the shaft, a pneumatic bearing being defined by a gap between the rings and the shaft. The shaft is provided wi... | 01/10/1995 |
| 4869088 | Ring shaping apparatus This invention relates to a ring shaping apparatus for cold rolling workpieces in ring form into a desired shape. The workpieces include a bearing in which an inner race, an outer race or a pillow is to be formed, a cage and a sleeve. The apparatus compri... | 09/26/1989 |
| 4823576 | Apparatus for manufacturing ring-shaped member from elongate workpiece An apparatus for manufacturing a ring-shaped member from an elongate workpiece comprises a measuring mechanism for measuring an elongate workpiece straightened from a coiled elongate workpiece to a specified length, a feeding mechanism for feeding the mea... | 04/25/1989 |
| 4412438 | Pipe bending machine A pipe bending machine has a pipe feed rate setter. A bending unit has a bending roller and a drive for displacing the bending roller in the plane of bending, and a follow-up roller. The follow-up roller is arranged for engagement with the pipe after the ... | 11/01/1983 |
| 4365492 | Ring former and cutoff A ring former and cutoff utilizes a continuous ring former which causes the stock to assume the form of a helix having a number of turns. The leading end of the helix after forming a plurality of free turns passes through a drive roll set, through a stati... | 12/28/1982 |
| 4070883 | System and assembly for measuring the movement of strip and hot strip mill A roller shell is rotatably mounted on a non-rotatable axle having an axial bore and is engageable with moving strip. A detector is non-rotatably mounted on said axle and comprises a magnet which produces a magnetic field and a sensing coil arranged to ge... | 01/31/1978 |
| 4007699 | Method and apparatus for a differential rolling-in of tubes Method and apparatus for differentially rolling-in tubes into plates and walls, especially of heat exchangers, according to which the magnitude of the expansion of the tube section to be rolled-in into the respective wall or plate is predetermined, is asc... | 02/15/1977 |
| 3979080 | Analog automatic slowdown system An analog automatic slowdown control system is described for determining the optimum instant of time to initiate slowdown, for a process line in which a coil of material is being unwound from a mandrel at a linear speed. Using the intelligence derived fro... | 09/07/1976 |
