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| Number | Title | Issue Date |
| 7954351 | Stretch-leveling metal strip A metal strip is stretched as it is moved longitudinally generally continuously between an upstream traction-roll set and a downstream traction-roll set. The roll sets are differentially driven—with the downstream set moving at a slightly higher peripheral speed t... | 06/07/2011 |
| 7617711 | Method of controlling the cross section of a wire rod strand emerging from a wire rod mill line In a wire rod mill, the last rolling block or unit, either a finishing unit or a postfinishing rolling unit, with common drive is not used for traction control, but traction control upstream thereof is provided to regulate the cross section of the wire rod strand be... | 11/17/2009 |
| 7347074 | Drawbench of a wire A drawbench (11, 111) of a wire (13), unwinding from a reel (14) and pulled step by step by an utilizing machine (15) of drawn wire, said drawbench (11, 111) having an unusually high productivity and comprising a drawing die (17... | 03/25/2008 |
| 7341096 | Method for processing a continuously cast metal slab or strip, and plate or strip produced in this way The invention relates to a method for processing a continuously cast metal slab or strip, in which the slab or strip is passed between a set of rotating rolls of a rolling mill stand in order to roll the slab or strip. According to the invention, the rolls of the ro... | 03/11/2008 |
| 7328597 | Circumferential length correcting method and apparatus for metal ring A circumferential length correcting method for a metal ring including: a circumferential length measuring step of passing the metal ring around a driving roller and a driven roller, displacing the driving roller and the driven roller away from each other, and measur... | 02/12/2008 |
| 7299672 | Bridle unit A bridle unit assigned to a rolling stand with several rolls arranged in adjustable positions below and above the strip flow, which can be moved by means of a drive from an initial position to the strip and from the strip back into the initial position, wherein the ... | 11/27/2007 |
| 7204005 | Manufacturing method of endless metal belt and manufacturing apparatus of endless metal belt A manufacturing method of an endless metal belt having metal rings built up and differing in circumference, includes the following steps of: a first circumference correction step of expanding each of the metal rings; and a second circumference correction step of exp... | 04/17/2007 |
| 7185523 | Rolling process and rolling system for rolling metal strip A metal strip rolling system (18), having a first reeling device (21) for reeling-off strip (18), a rolling stand (12) having at least two working rolls (13, 14) between which there is formed a roll gap (17) whose width is c... | 03/06/2007 |
| 7187510 | Method of magnetic transfer to flexible medium A signal such as a servo tracking signal is recorded on a flexible slave medium by magnetic transfer. When forming the flexible slave medium of a magnetic strip in a continuous length, the signal is recorded on the magnetic strip by patterned master magnetic transfe... | 03/06/2007 |
| 7155951 | Mill variation control apparatus and method Apparatus and method for reducing vibration in a mill stand. The apparatus comprises a roll (4) positioned upstream or downstream of the mill stand (1) and over which the strip material (2) being rolled is passed. The vibration control apparatus... | 01/02/2007 |
| 7140218 | Rolling apparatus and rolling method A rolling apparatus includes a pair of small rolling roller and a large rolling roller which hold a ring with the ring being sandwiched therebetween, and which roll the ring, and a tension roller; a temperature sensor which measures a temperature of the ring before ... | 11/28/2006 |
| 7096704 | Structural body and method for cold rolling A cold rolling method for performing a series of processes including rolling and cutting of a workpiece in succession, wherein tensile forces are applied to the workpiece during processes from the rolling to straightening. To eliminate the processes of anneal... | 08/29/2006 |
| 7093355 | Method and device for producing flat metal ribbon cables A round wire is cold formed in a first pair of forming rolls to produce a flat metal ribbon cable having a specified width, followed by cold forming the flat metal ribbon cable in a second pair of forming rolls to produce a flat metal ribbon cable having a specified... | 08/22/2006 |
| 7093342 | Hot rolling thin strip Thin steel strip is passed through a pinch roll stand comprising pinch rolls to a rolling mill comprising a pair of work rolls and upper and lower backing rolls. Strip passes through the bite between the work rolls and strip squeezing forces are applied between the ... | 08/22/2006 |
| 7013693 | Method of and apparatus for the continuous stretch leveling of metallic strip A tension leveling system for thin metal strip has between a brake roll set and a tension roll set, additional two-roll bridles in which one or more inlet stretch leveling regions are followed by an elastic deformation region and the latter is followed by one or mor... | 03/21/2006 |
| 7013547 | Method and device for the production of curved spring strip sections A method and a device for the production of curved spring strip sections. A spring strip runs through a bending unit formed from three separate support points and a reverse bending unit, arranged in series, and formed from a fourth support point. Bent and reverse-be... | 03/21/2006 |
| 6948347 | Graphical rolled steel sheet flatness display and method of using same A method for measuring and displaying the flatness of a rolled steel sheet is disclosed that includes the steps of measuring tension in the sheet at a plurality of locations on the surface of the sheet and determining a plurality of tension ranges into which the sen... | 09/27/2005 |
| 6925845 | Method and device for tension leveling a cold-rolled strip and regulating the degree of leveling The invention relates to a method for tension levelling a cold-rolled strip, whereby the strip passes through a series of break rolls and a series of traction rolls and in the course of its extension is subjected to traction between the two series of rolls. The stri... | 08/09/2005 |
| 6840475 | Method and device for the rolling or winding of strip The invention relates to a method and a device for the rolling or winding of strip having an equal thickness over the strip width, in which the tension in a strip length portion limited by rolls, winders, or control, guide or deflecting rollers is measured by means ... | 01/11/2005 |
| 6840076 | Strip treating line for leveling metal strip A strip treatment line in which downstream of the processing roll stand for stainless steel strip, first and second tension rolls are provided to directly form a prestretching zone A for elastic or elastoplastic stretching of the strip following the dressing mill st... | 01/11/2005 |
| 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 |
| 6745607 | Hot rolling thin strip A thin steel strip is passed through a pinch roll stand comprising pinch rolls to a hot rolling mill comprising work rolls and backing rolls. In advance of rolling mill, the strip passes over support rolls. An anti-crimping guide roll located immediately in advance ... | 06/08/2004 |
| 6732561 | Method and apparatus for leveling and conditioning sheet metal A method of processing sheet metal comprises the steps of: providing a tension-leveling apparatus; providing a surface conditioning apparatus; leveling a portion of the sheet metal with the tension-leveling apparatus; and conditioning a surface of the portion of the... | 05/11/2004 |
| 6691541 | Stretch leveler for steel and other metal strip A stretch leveling apparatus having at least two stretching zones and wherein the lengths of the first and second stretching zones are each at least 0.5 times the maximum strip width.... | 02/17/2004 |
| 6668610 | Method for continuous tension leveling of aluminum strip An aluminum alloy sheet of the AA 6000 series is subjected to a continuous tension leveling procedure. The sheet is passed through a set of pull rollers and a set of brake rollers and subjected to a longitudinal tension between the two roller sets. Also w... | 12/30/2003 |
| 6662616 | Method and device for flexibly rolling a metal band A method and a device for flexibly rolling a metal band by guiding the metal band through a roll gap formed between a first working roll and a second working roll, and by varying the size of the roll gap in such a way that band sections with a greater ban... | 12/16/2003 |
| 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 |
| 6568232 | Method and a device for controlling the dimensions of an elongated material rolled in a rolling mill A method and apparatus for controlling the dimensions of an elongated material rolled in a rolling mill comprising at least two mill stands arranged after each other, each of said stands comprising two spaced rolls, said elongated material being fed betwe... | 05/27/2003 |
| 6463777 | Method for the continuous production of a metal strip The invention aims at a method of producing a metal strip on a continuous treatment line comprising a de-scaling station coupled with a cold rolling section. According to the invention, in order to adapt to a change in the production constraints, such as ... | 10/15/2002 |
| 6357273 | Method of reducing waste in the rolling of strip segments interconnected by weld seams A tandem strip-rolling line has a strip store between the mill so that when the upstream mill is open on the approach of a weld seam joining successive lengths, the downstream mill rolls strip stored in the strip store and conversely when the strip is hal... | 03/19/2002 |
| 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 |
| 6327883 | Method of flattening metal strip Strip tension in metal strip subjected to a plastic deformation such as skin or dressing rolling, stretch bend leveling or stretching is adjusted by local variation of the temperature to establish a temperature profile which minimizes waviness and camber ... | 12/11/2001 |
| 6318141 | Roller leveller A roller leveller has an upper roller assembly 1 made of a plurality of taper rollers 7 each having a small diameter end with a collar 14 and a large diameter end, with the large diameter ends being set on a same side, and a lower assembly 2 made of a plu... | 11/20/2001 |
| 6269668 | Cold tandem rolling method and cold tandem rolling mill The present invention is to provide a tandem cold rolling method conducted by a tandem cold rolling mill, the number of rolling stands of which is not less than 4, wherein a rolling tension, the intensity of which is not lower than 30%, preferably not low... | 08/07/2001 |
| 6253592 | Rolling apparatus for bars and method for rolling bars A high-speed rolling apparatus for bars includes a finishing mill and an associated first mill motor and a sizing mill and an associated second mill motor downstream of the finishing mill. The first mill motor power (Wf) and second mill motor power (Ws) s... | 07/03/2001 |
| 6240762 | Method of leveling strips and leveling equipment of strips A leveling technique that produces a high degree of flatness of strips and gives strips a characteristic such that parts cut from the strips by etching do not warp. Also, a method of leveling strips including the steps of rectifying a trip by tensioning a... | 06/05/2001 |
| 6216516 | Reversing compact installation for cold rolling strip-shaped rolling material The invention relates to an installation for cold rolling strip-shaped rolling material, with a reversing stand disposed between two reel-up or unreeling coils or reels, and a second reversing stand in the rolling line of the first reversing stand, with b... | 04/17/2001 |
| 6185971 | Hot rolled material take-up equipment and take-up method A take-up equipment and a take-up method for a finish rolling mill for dividing a strip into a plurality of coiled products when taking up the strip on the exit side of the finish rolling mill are provided. A plurality of take-up machines (24, 26, K1... | 02/13/2001 |
| 6176112 | Method and device for dynamic adjustment of the roll gap in a roll stand of a mill train having multiple stands A method of dynamic adjustment of the roll gap in a roll stand of a mill train having multiple stands for rolling a strip, with a strip stock, i.e., a loop, between two roll stands being adjusted or limited by a loop or a strip stock control, with the dyn... | 01/23/2001 |
| 6167736 | Tension control system and method for reducing front end and tail end overfill of a continuously hot rolled product A system for controlling front and tail end gauge of a continuous hot rolled product in a rolling mill includes first and second individually driven roll stands arranged successively along said pass line in advance of a group of roll stands. A controller ... | 01/02/2001 |
