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| Number | Title | Issue Date |
| 7401485 | Apparatus for inspecting steel strip during rolling Steel strip issues continuously from a downstream end of a rolling line and can be wound up there on a coiler. An inspection table downstream of the rolling line has a surface aligned with the downstream end and the strip emerging therefrom. The coiler is below a pl... | 07/22/2008 |
| 7363792 | Apparatus for manufacturing metal material by rolling The invention relates to a device for producing a metallic product (1) by rolling, comprising: a first area (2) inside of which slabs are produced by primary shaping; a second area (3), which is located downstream from the first area (2) ... | 04/29/2008 |
| 7316145 | Multiple outlet rolling mill Accumulators are interposed between an initial mill section having an elevated first production rate and each of a plurality of different outlet mill sections having lower second production rates. Each accumulator is constructed and arranged to receive intermediate ... | 01/08/2008 |
| 7316144 | Rolling mill consisting of horizontal stands and vertical stands In a rolling mill which consists of at least one horizontal stand (1) and at least one vertical stand (2), which are connected with each other, between both stands (1, 2), connection elements (7) are releasably arranged, wherein the conne... | 01/08/2008 |
| 7257977 | Thermo-electromechanical process and system for coiling and uncoiling an in-line hot rolled pre-strip from thin slab continuous casting A system and the relevant thermo-electromechanical process with two superimposed devices (A) able to coil and uncoil a pre-strip (a) by reversing their positions, provided with outer (4) and inner (7) burners to respectively equalize and optimiz... | 08/21/2007 |
| 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 |
| 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 |
| 7093472 | Method of continuously rolling a product exiting from an upstream roll stand at a velocity higher than the take in velocity of a downstream roll stand A method is disclosed for continuously rolling a product exiting from an upstream roll stand at a delivery velocity V1 higher than the take in velocity V3 of a downstream roll stand. The excess product resulting from the velocity differential b... | 08/22/2006 |
| 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 |
| 6442989 | Wire sizing rolling method In a sizing rolling method carried out by installing at least 3 sets of 4-roll rolling mills in series, a central angle θ1 of the perfect circle forming section of each rolling roll in a first path is set to less than 15°. The central angle Î... | 09/03/2002 |
| 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 |
| 6295852 | Descaling method for a metal strip and a descaling arrangement therefor In a method and a device for descaling a metal strip, the metal strip is guided in a transport direction from a first roll stand to a second roll stand. A descaling device is positioned between the first and second roll stands. A descaling liquid is spray... | 10/02/2001 |
| 6220070 | Shearing and coiling assembly for hot rolled stock A shearing and coiling assembly for hot rolled stock with a thickness of between 0.5 and more than 5 mm, comprising a shearing unit (11) and a coiling machine (10) comprising a turntable assembly (12) rotating around an axis of rotation (13) orthogonal to... | 04/24/2001 |
| 6216517 | Precision-rolling process A precision-rolling process for producing rolled stock in bar or wire form while maintaining tight shape and size tolerances is characterized, for the purpose of providing good accessibility to the roll stands, by the combination of the following features... | 04/17/2001 |
| 6197129 | Method for producing ultrafine-grained materials using repetitive corrugation and straightening A method of refining the grain structure and improving the hardness and strength properties of a metal or metal alloy workpiece is disclosed. The workpiece is subjected to forces that corrugate and then straighten the workpiece. These steps are repeated u... | 03/06/2001 |
| 6161411 | Finishing section of a single-strand wire rolling train A finishing section of a single-strand wire rolling train with two finishing blocks, wherein, for selectively rolling smaller and larger wire diameters, one of the finishing blocks is arranged in a first rolling line extending in the rolling line of the i... | 12/19/2000 |
| 6122950 | Hot rolling train for rolling thin strips A hot rolling train with a walking beam furnace, a reversing stand following the walking beam furnace and possibly shears and/or descaling devices, as well as a subsequent hot strip finish-rolling train for manufacturing thin, austenitically rolled hot st... | 09/26/2000 |
| 5911784 | Sizing roll stand for a steel mill An assembly for producing a finished shape for a rod after the last rolling stage of a multi stand steel mill. This apparatus provides an operation for correcting minor surface irregularities and shape distortion of the rod as it exits from the finishing ... | 06/15/1999 |
| 5910185 | Device for the guidance of hot-rolled strip through an inductor An apparatus for guiding hot-rolled strips through an inductor, arranged between two adjacent roll stands, of an induction heating device, in particular within a finishing mill behind a strip-casting installation or thin-slab casting installation. The app... | 06/08/1999 |
| 5860311 | Method to guide the strip between the stands in a rolling mill finishing train and relative device Method and device to guide the strip between the stands in a rolling mill finishing train to roll thin strips of a final thickness in the order of 1.2 mm and less, the inter-stand device including at least a guide device arranged at the outlet of the upst... | 01/19/1999 |
| 5842367 | Rolling mill train system for the manufacture of hot rolled wide strip A method of producing a hot rolling wide strip in a rolling mill train, in which the strip leaving the breakdown train is treated in a roller hearth furnace, which is located downstream of the breakdown train and upstream of the cropping shears, to equali... | 12/01/1998 |
| 5752403 | Method of rolling hot mill band on a twin stand reversing mill A method of hot rolling steel slabs of thin to standard thickness into hot mill band is carried out on a hot reversing mill having a coiler furnace upstream and downstream of the reversing mill. A twin stand hot reversing mill is used and the slab is intr... | 05/19/1998 |
| 5743125 | Hot strip production plant for rolling thin rolled strip A production plant for producing hot-rolled flat products includes a rolling train composed of a plurality of roll stands, a run-out table with devices for cooling the hot strip, and with subsequently arranged coiling machines for coiling the strip. At le... | 04/28/1998 |
| 5709119 | Method and arrangement for the controlled formation of rolling stock loops A method and an arrangement for the controlled formation of loops of rolling stock between two roll stands, particularly in the finishing or intermediate trains of small and medium iron trains. In the method, the rolling stock emerging from the roll stand... | 01/20/1998 |
| 5634365 | Process allowing background noise to be reduced during eddy-current testing of metal tubes, and tubes produced using this process The process relates to the aptitude for detectability of defects using eddy-currents on metal tubes cold laminated using a pilger mill and relates more particularly to the possibility of reducing the background noise and increasing the ratio between a sta... | 06/03/1997 |
| 5634360 | Guiding apparatus for roughing mill A guiding method and apparatus are presented for preventing the generation of lateral curving in a rolled slab produced in a roughing mill train, consisting of an edging mill and a horizontal mill in tandem, for example. The apparatus basically includes a... | 06/03/1997 |
| 5419172 | Continuously cast carbon and stainless steel hot-rolling mill A method and apparatus for hot-rolling a slab of steel in which a cast slab is heated in a tunnel furnace to a hot-rolling temperature, rolled to a lesser thickness in a tandem mill, reheated in the same tunnel furnace and then rerolled in the same tandem... | 05/30/1995 |
| 5014534 | Frame-mounted entry guide system Guide devices are mounted on an apparatus which can be affixed to and supported by a frame such as an uplooper frame. The apparatus includes an entry guide mounted to the frame and supporting a slide bar with a horizontal top edge extending parallel with ... | 05/14/1991 |
| 4991418 | Method for determining temperature of metal to be rolled by hot strip mill and apparatus for performing the same In a hot strip mill having a roughing mill, a finishing mill including a plurality of stands and a delay table having a coil box and being disposed between the roughing mill and the finishing mill, a temperature drop in the delay table is calculated for a... | 02/12/1991 |
| 4872245 | Method and apparatus for manufacturing cold-rolled steel strip A cold-rolled strip manufacturing apparatus, in which a continuous cold reduction mill and a continuous annealing furnace are directly linked together, has a tension-leveller-type scale breaker for elongating hot-rolled breakdown by 2 to 7 percent, a scal... | 10/10/1989 |
| 4630352 | Continuous rolling method and apparatus A method and apparatus for rolling strip in line with a continuous caster is disclosed. A slab capable of being coiled say 1.5 inches or less, is passed through an in-line furnace to homogenize temperature and is thereafter coiled in one of two vertically... | 12/23/1986 |
| 4491006 | Method and apparatus for coiling strip between the roughing train and the finishing train A method of hot rolling strip on a hot strip mill includes coiling on a coiler at least a portion of the transfer bar by initiating coiling at the tail end of the transfer bar after it exits the roughing train and, thereafter, decoiling or paying off the ... | 01/01/1985 |
| 4403492 | Strip cooling For performing interstand cooling in a tandem rolling mill, at least one of the stands (12, 13) has delivery guides (17, 18) which incorporate equipment for delivering coherent, non-turbulent, curtains of coolant on to the faces of the strip rolled by tha... | 09/13/1983 |
| 4384468 | Method and apparatus for coiling strip on a hot mill The hot strip mill includes a pair of coilers immediately downstream of and adjacent the finishing train. The coilers are vertically aligned and on opposite sides of the pass line. The strip coming out of the last finishing stand is immediately coiled in ... | 05/24/1983 |
| 4334420 | Tube guide Guiding unit protecting against the whipping motion of a free pipe end in a pipe straightening is provided for, which comprises hinged sections of a piece of plastic pipe.... | 06/15/1982 |
| 4296623 | Semi-continuous hot rolling of metal strip and plates The mill comprises essentially a roughing train having a reversing roughing stand or stands and a finishing train having a reversing finishing stand or in-line finishing stands, the roughing and finishing trains being disposed with pass lines parallel to ... | 10/27/1981 |
| 4295354 | Method for producing beam blank for large size H-beam from flat slab A beam blank for a large size H-beam is produced firstly by forming flat slab into a preformed beam blank by a two-high rolling mill and subsequently by rolling the preformed beam blank by a universal roughing mill.... | 10/20/1981 |
| 4188812 | Installation for production of continuously cold rolled sheet metal or strip An installation for the production of continuously cold rolled sheets or strips wherein the continuous operation is effected when a coil of the cold rolled sheet metal or strip is directly and effectively produced from a coil of the hot rolled sheet metal... | 02/19/1980 |
| 4179913 | Metal strip tensioning apparatus for use in continuous strip reduction cold mill and method Metal strip tensioning apparatus for use in a continuous cold reduction method and mill for metal strip in which the trailing end of a metal strip passing through the mill is welded to the leading end of a metal strip coming off a new coil without stoppin... | 12/25/1979 |
| 4168185 | Production method of titanium hot coil by continuous hot rolling system In producing a titanium strip using a continuous hot strip mill, the invention discloses a method of producing a titanium hot coil by a continuous hot rolling system characterized by the steps of heating a titanium slab to 700°-950° C. inside a heating ... | 09/18/1979 |
