Including Optionally Selectable Work Paths Patents (Class 72/228)
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Patent number: 10357821Abstract: A steel plant for the production of long metal products includes a continuous casting machine and a rolling mill disposed contiguous and in direct succession downstream of the continuous casting machine. The continuous casting machine is provided with at least two casting lines and the rolling mill is provided with at least two rolling lines. The plant includes a single feed apparatus for feeding molten metal, and the at least two casting lines are configured to receive molten metal from the single feed apparatus.Type: GrantFiled: October 3, 2014Date of Patent: July 23, 2019Assignee: DANIELI & C. OFFICINE MECCANICHE SPAInventors: Gianpietro Benedetti, Giuseppe Bordignon, Fabrizio Mulinaris, Alfredo Poloni
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Patent number: 7823431Abstract: A method and apparatus is disclosed for temporarily interrupting the passage of a long product between upstream and downstream paths in a rolling mill. Product passing along the upstream path is delivered onto a cylindrical drum. The drum is rotated in one direction to accumulate the product thereon in a series of windings. The direction of drum rotation is then reversed to unwind and deliver the accumulated product to the downstream path.Type: GrantFiled: June 4, 2004Date of Patent: November 2, 2010Assignee: Siemens Industry, Inc.Inventors: T. Michael Shore, Melicher Puchovsky
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Publication number: 20080199278Abstract: Apparatus (10) for continuously performing localized and/or extended deformations on metallic containers constituted by extruded or drawn and solid-drawn tubular bodies including: —A) interface module (1); —B) at least one work module (2, 2?, 2?) and—C) possibly one inversion module (3), wherein said modules are arranged so that they form a closed path and said interface module (1) includes a feeding station or drum (12), an unload drum (16) and at least one selective dispatch element for re-feeding the containers to the work modules (2, 2?, 2?) or the unload drum (16), depending on the number of predetermined operationsType: ApplicationFiled: May 20, 2005Publication date: August 21, 2008Inventor: Roberto Frattini
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Patent number: 7316145Abstract: 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 products from the initial mill section at its elevated first production rate, and to deliver the intermediate products to the associated outlet mill section at its respective lower second production rate. The excess intermediate product resulting from the differential between the first and second production rates is stored temporarily in the accumulator. Switches direct successive intermediate product lengths from the initial mill section to selected outlet mill sections via their respective accumulators for simultaneous processing into packaged finished products.Type: GrantFiled: February 15, 2007Date of Patent: January 8, 2008Assignee: Morgan Construction CompanyInventor: T. Michael Shore
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Patent number: 7207202Abstract: A method is disclosed for subdividing and decelerating a hot rolled long product advancing along a delivery path from a rolling mill to a cooling bed. The method comprises: (a) arranging a shear and a decelerator in succession along the delivery path, with the decelerator comprising a set of driven pinch rolls preceded by a plurality of deflector rolls; (b) contacting a lead segment of the product with the pinch rolls operating at an initial speed at least equal to that of the advancing product; (c) actuating the shear to separate the lead segment from the remainder of the product; and (d) decelerating the lead segment by: (i) reducing the speed of the pinch rolls; and (ii) actuating the deflector rolls to deflect the product segment from the delivery path into a sinuous path.Type: GrantFiled: May 30, 2006Date of Patent: April 24, 2007Assignee: Morgan Construction CompanyInventor: T. Michael Shore
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Patent number: 6598449Abstract: Between an intermediate roll unit and a dimensioning finishing roll unit of a continuous light-section or wire rod rolling train, a multifunctional section is provided with three parallel lines and at least the first and second rolling lines having rolling blocks and substantially all of the lines including cooling sections and/or temperature equalization sections. Via distributing guides and 180° loop forming path segments, the workpieces are selectively directable from the first line to the dimensioning finishing rolling unit without traveling over the second and third lines and to the dimensioning finishing rolling unit after travelling over all or part of the second and third lines.Type: GrantFiled: February 1, 2002Date of Patent: July 29, 2003Assignee: SMS Demag AktiengesellschaftInventors: Hubert Müller, Michael Kruse, Alfred Müller
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Publication number: 20030136169Abstract: A rolling mill line for rolling wire and light sections in which the rolling stands of the prerolling and intermediate rolling stages have alternating horizontal and vertical grooved roll pairs. The oval grooves of rolls of one pair are converted by round section grooves of a pair immediately downstream thereof and axially spaced therefrom into a circular section and one or the other of the two grooves can by axial transverse shifting, be brought into or out of the rolling line.Type: ApplicationFiled: January 9, 2003Publication date: July 24, 2003Applicant: SMS Meer GmbHInventor: Jurgen Lemke
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Patent number: 6568234Abstract: In a single strand hot rolling mill finishing section a plurality of multi-stand prefinishing rolling units are arranged along and are selectively shiftable onto and off of a first pass line segment. A multi-stand finishing rolling unit and a multi-stand post finishing rolling unit are arranged sequentially along a second pass line segment. A switch and associated delivery guides are selectively operable to direct products from the first pass line segment to the second pass line segment either at a location upstream of said finishing rolling unit, or alternatively, at a location between the finishing rolling unit and the post finishing rolling unit. With this arrangement, final rolling in the post finishing rolling unit may be preceded with or without rolling in the finishing rolling unit and with or without rolling in one or more of the prefinishing rolling units.Type: GrantFiled: August 17, 2001Date of Patent: May 27, 2003Assignee: Morgan Construction CompanyInventor: T. Michael Shore
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Publication number: 20020152786Abstract: In a single strand hot rolling mill finishing section a plurality of multi-stand prefinishing rolling units are arranged along and are selectively shiftable onto and off of a first pass line segment. A multi-stand finishing rolling unit and a multi-stand post finishing rolling unit are arranged sequentially along a second pass line segment. A switch and associated delivery guides are selectively operable to direct products from the first pass line segment to the second pass line segment either at a location upstream of said finishing rolling unit, or alternatively, at a location between the finishing rolling unit and the post finishing rolling unit. With this arrangement, final rolling in the post finishing rolling unit may be preceded with or without rolling in the finishing rolling unit and with or without rolling in one or more of the prefinishing rolling units.Type: ApplicationFiled: August 17, 2001Publication date: October 24, 2002Inventor: T. Michael Shore
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Patent number: 6460389Abstract: Rolling of metallic products to be heated to form wires, rods and seamless pipes, includes rolling of wires or rods as well as rolling of seamless pipes on a same rolling apparatus, and using a part of aggregates of the same rolling apparatus both for rolling of wires or rods and for rolling of pipes.Type: GrantFiled: July 26, 2000Date of Patent: October 8, 2002Assignee: Kocks Technik GmbH & Co.Inventors: Willi Juergen Ammerling, Dieter Pfeiffer
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Publication number: 20020104357Abstract: Between an intermediate roll unit and a dimensioning finishing roll unit of a continuous light-section or wire rod rolling train, a multifunctional section is provided with three parallel lines and at least the first and second rolling lines having rolling blocks and substantially all of the lines including cooling sections and/or temperature equalization sections. Via distributing guides and 180° loop forming path segments, the workpieces are selectively directable from the first line to the dimensioning finishing rolling unit without traveling over the second and third lines and to the dimensioning finishing rolling unit after travelling over all or part of the second and third lines.Type: ApplicationFiled: February 1, 2002Publication date: August 8, 2002Applicant: SMS DEMAG AKTIENGESELLSCHAFTInventors: Hubert Muller, Michael Kruse, Alfred Muller
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Patent number: 6327885Abstract: In a rolling-mill installation for the continuous production of fine steel includes a roughing block, a finishing block arranged on the rolling line of and after the roughing block, a water cooling section arranged after the finishing block and on the rolling line and a laying unit arranged downstream. In order optionally to be able to carry out rolling processes in accordance with conventional rolling or thermomechanical rolling, the finishing block arranged on the rolling line of the roughing block can be moved into a rolling position at a distance from the rolling line of the roughing block and back again. A rolled-material diverter is arranged downstream of the water cooling section by which the rolled material can optionally be routed on the one hand to a laying unit and on the other hand, via a soaking section, to the finishing block which has been moved at a distance from the rolling line of the roughing block.Type: GrantFiled: July 26, 2000Date of Patent: December 11, 2001Assignee: Voest-Alpine Industrieanlagenbau GmbHInventors: Dietmar Marsoun, Wolfgang Horst Hölbling
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Patent number: 6216515Abstract: A roll stand arrangement for a single wire rolling mill train, and including arranged along a main pitch line, a multi-stand finishing block, a multi-stand post finishing block located downstream of the finishing block, and a pitch line change-over unit arranged between the finishing block and the post finishing block for advancing a wire strand from the finishing block to the post finishing block directly or through a looping pitch line in which there are provided a cooling zone, a wire looper, and a looping table.Type: GrantFiled: March 23, 2000Date of Patent: April 17, 2001Assignee: SMS Schloemann-Siemag AGInventors: Rüdiger Grimmel, Michael Kruse
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Patent number: 6185972Abstract: A method and apparatus for finish rolling long products such as bars, rods and the like, comprising: in a first operational mode, rolling the products through a finishing block and a reducing sizing mill arranged on a primary pass line; and in a second operational mode, diverting the products from the primary pass line to a secondary pass line bypassing the finishing block and then back to the primary pass line for rolling in the reducing sizing mill. Optionally and preferably, a cooling unit is shifted between the primary and secondary pass lines to cool products being rolled in each operational mode.Type: GrantFiled: January 31, 2000Date of Patent: February 13, 2001Assignee: Morgan Construction CompanyInventor: T. Michael Shore
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Patent number: 6161412Abstract: A multi-strand finishing block finishes two or more daughter strands slit from a parent bar. Each strand is rolled by at least two pairs of rolls arranged in tandem with the rolls of each pair being at right angles to the rolls of the other pair. A common drive shaft is in driving relation with all the pairs of rolls.Type: GrantFiled: November 10, 1997Date of Patent: December 19, 2000Inventors: James Trevor Hogg, Ryo Sato, Akiro Sakai
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Patent number: 6161411Abstract: 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 intermediate rolling section of the train and the other finishing block is arranged in a second rolling line extending parallel to the first rolling line, wherein the wire strand arriving from the intermediate rolling section is selectively supplied to one of the finishing blocks through a distributing guide unit arranged following the intermediate rolling section and the wire strand is conducted after rolling possibly over an additional distributing guide unit to a wire collecting unit arranged following the additional distributing guide unit. A finishing block intended for rolling only small wire diameters is arranged in one of the rolling lines and a finishing block intended for rolling only large wire diameters is arranged in the other rolling line.Type: GrantFiled: July 22, 1999Date of Patent: December 19, 2000Assignee: SMS Schloemann-Siemag AktiengesellschaftInventor: Reinhard Bocking
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Patent number: 6105412Abstract: A continuous light-section or wire train includes finishing and sizing mill units arranged following the intermediate rolling section of the train, cooling sections and temperature equalization sections arranged in front of, between and following the finishing and sizing mill units, and rolling stock collecting devices arranged following the cooling sections and temperature equalization sections.Type: GrantFiled: September 2, 1999Date of Patent: August 22, 2000Assignee: SMS Schloemann-Siemag AktiengesellschaftInventor: Alfred Muller
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Patent number: 5946783Abstract: A high-capacity wire rolling mill including a wire train and/or rod steel train for concrete reinforcing steel and simple carbon steels, further including a continuous casting plant or a continuous casting wheel for high production, a direct interconnection of the continuous casting plant or casting wheel to the rolling mill, a buffer furnace between the continuous casting plant or the casting wheel and the rolling mill for compensating production differences and smaller rolling mill interruptions, a compact roughing train and intermediate train I, a unit calibration for the train sections, looping by 180.degree.Type: GrantFiled: May 7, 1998Date of Patent: September 7, 1999Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Uwe Plociennik, Alfred Muller
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Patent number: 5901597Abstract: A method of operating a roll stand arrangement composed of one or more roughing stands and a compact rolling group arranged downstream of the roughing stands and transversely offset relative to the roughing stands. The compact rolling group is connected to the roughing stands through roller conveyors and a transverse conveying unit. The compact rolling group is composed of a first and a second universal stand or two-high stand and an intermediate upsetting stand between the first and second stands. Preliminary sections arriving from a continuous casting plant are supplied directly or after intermediate storage to the roll stand arrangement. The rolling stock strand which has been rolled in the roughing stands is supplied optionally from a first entry side or a second entry side into the compact rolling group in dependence on the number of passes required by the respective rolling program.Type: GrantFiled: May 7, 1997Date of Patent: May 11, 1999Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Hubert Muller, Ulrich Svejkovsky
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Patent number: 5893288Abstract: A billet is rolled in a rolling mill into a first process section in a succession of roll stands arranged along a first pass line. The first process section is either delivered as a finished product to a cooling bed or alternatively slit into second and third process sections which are subjected respectively to additional rolling in finishing blocks arranged on second and third pass lines parallel to the first pass line. At least one of the finishing blocks is shiftable onto the first pass line in order to subject the first process section to additional rolling prior to delivering it to the cooling bed.Type: GrantFiled: September 15, 1997Date of Patent: April 13, 1999Assignee: Morgan Construction CompanyInventor: T. Michael Shore
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Patent number: 5568744Abstract: A method and an arrangement for manufacturing rolled wire sections and round steel sections in coils from carbon steels or high-grade steels. The arrangement includes a wire production line with a multiple-stand wire mill and a round steel production line with, for example, a multiple-stand round steel mill which branches from a common billet supply line including a billet furnace and a cooling bed, wherein the wire mill and the round steel mill are arranged next to each other. An aftertreatment unit following the production lines includes a coil forming station for round steel sections and for wire sections arranged following one of the two production lines, a transfer device for wire coils to the round steel production line, a coil forming device for wire sections arranged at the end of the wire mill, the coil forming device being followed by a transfer device for wire coils or round steel coils, and a coil conveying and cooling device arranged following one of the two production lines.Type: GrantFiled: March 19, 1992Date of Patent: October 29, 1996Assignee: SMS Schloemann-Siemag AGInventor: Johann Grotepass
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Patent number: 5423200Abstract: A rolling mill material handling system includes a cooling bed and an associated laying head and cooling conveyor. Hot rolled products may be cut into segments which are shifted laterally onto the cooling bed. Alternatively, the hot rolled products may be directed longitudinally in undivided lengths past the cooling bed to the laying head where they are formed into rings and deposited on the cooling conveyor.Type: GrantFiled: September 14, 1993Date of Patent: June 13, 1995Assignee: Morgan Construction CompanyInventor: Terence M. Shore
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Patent number: 5307663Abstract: In a single strand rolling mill wherein a product is rolled in a twist-free manner through a succession of finishing stands before proceeding to a laying head, the finishing stands are grouped into at least first and second blocks arranged respectively along first and second non-aligned paths, with the laying head lying on the second path. Switches are employed to alternatively direct the product exiting from the first block either to the second path for continued rolling in the second block prior to being directed to the laying head, or along a third path bypassing the second block and leading directly to the laying head.Type: GrantFiled: January 12, 1993Date of Patent: May 3, 1994Assignee: Morgan Construction CompanyInventors: Terence M. Shore, Joseph R. Lawendowski
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Patent number: 4912954Abstract: In the rolling of a metal strip in a rolling mill which has a rolling mill train of one or more roll stands, before the metal strip enters the rolling mill train the roll stand are each given a presetting in accordance with a predicted necessary roll force F.sub.i during rolling in roll stand i, which rolling force F.sub.i is determined by the formula F.sub.i =K.sub.i *KSB.sub.i, in which K.sub.i is a multiplication factor and KSB.sub.i is the resistance to deformation of the metal strip during rolling through the roll stand i. To improve the average quality of the rolled product and to shorten the "learning" time when changing products, the resistance to deformation KSB.sub.i is chosen equal to an average rolling stress T for a strain E in the metal strip in roll stand i, the relationship between the rolling stress T and strain E during rolling being determined by the formula T=C.f(E,E.sub.c), in which C and E.sub.c have values dependent on the material of the strip, E.sub.c being a critical strain.Type: GrantFiled: March 28, 1988Date of Patent: April 3, 1990Assignee: Hoogovens Groep B.V.Inventors: Henk Vegter, Adrianus J. Van Den Hoogen, Gerrit J. Heesen
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Patent number: 4745790Abstract: A method and an apparatus for rolling metal strips by a tandem cold rolling mill. The strip is periodically swung in its width directions at a location upstream of the tandem rolling mill, to bring the strip into contact with rolls of the tandem cold rolling mill over areas of the rolls as widely as possible, thereby preventing irregular wears of the rolls to make it possible to produce defect-free metal strips.Type: GrantFiled: January 20, 1987Date of Patent: May 24, 1988Assignee: Kawasaki Steel CorporationInventors: Toko Teshiba, Fumiya Yanagishima, Akira Kishida, Hidenori Miyake, Yoshio Nakazato
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Patent number: 4528834Abstract: Bars and wire rods are rolled from billets or blooms in the disclosed process which includes a primary rolling step resulting in an intermediate material, a secondary rolling step and a heat treatment. The primary (first) rolling step includes rolling the billet or bloom steel material into an intermediate material at a mass flow rate to enable it to be maintained during the primary rolling within a temperature range corresponding to a predetermined deformation resistance level of the steel material. This predetermined deformation resistance level is selected so as to take advantage of an opportunity to save energy. The intermediate material resulting from primary rolling is coiled and its temperature is adjusted so as to maintain the intermediate material at a desired starting temperature for the secondary rolling step.Type: GrantFiled: April 13, 1984Date of Patent: July 16, 1985Assignee: Nippon Steel CorporationInventors: Koshiro Aoyagi, Yukio Noguchi, Koe Nakajima, Matsuo Ataka
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Patent number: 4370877Abstract: Rolling mill rolls having open grooves comprising active and relatively non-active portions are provided wherein at least two such grooves are overlapped by their relatively non-active portions. Also disclosed are processes for feeding such rolls, a stand connecting such rolls and a universal rolling mill having stands incorporating such rolls.Type: GrantFiled: August 11, 1980Date of Patent: February 1, 1983Assignee: Sacilor-Acieries et Laminoirs de LorraineInventor: Jacques M. Michaux
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Patent number: 4182148Abstract: A multi-line rolling system having a plurality of rolling positions aligned in the direction of rolling. Each rolling position includes a housing or housing structures supporting at least two sets of work rolls which may be selectively coupled to a common power source, thereby permitting the rolling line formed by one roll set to be rendered inoperative while the rolling line of the other roll set continues to roll product received from a feed line. The system further includes an appropriate switching mechanism for directing product from the feed line to either rolling line.Type: GrantFiled: April 3, 1978Date of Patent: January 8, 1980Assignee: Morgan Construction CompanyInventor: Martin Gilvar
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Patent number: 4176535Abstract: A combined apparatus is provided for handling rolled material issuing from a rolling mill finishing line. An arrangement is provided for cropping the head and tail ends of the rolled material running at high speed after it is divided into the desired lengths and for diverting the cropped lengths to a path separate from the cropped ends. Also, arrangements are provided for coordinating the actual speed of the issuing rolled material with the rotary shears for dividing the rolled material into lengths. In addition, arrangements are provided for the controlled chopping of the cropped ends in relation to the speed of the line.Type: GrantFiled: May 4, 1978Date of Patent: December 4, 1979Assignee: DEMAG AktiengesellschaftInventors: Wolfgang Elsner, Werner Kalter, Rolf Michel, Jorn Moslener
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Patent number: 4083218Abstract: An arrangement for the further treatment of sectional steel stock delivered by a rolling mill includes a coiler unit for coiling the stock emerging from the mill, a cooling conveyor for conveying the coils while cooling them, an uncoiling unit, a section straightening unit for straightening the stock after uncoiling, a cutting unit for cutting the stock into required lengths, a collection station and a collection unit for collecting the straightened, cut lengths of stock at the collection station. Packaging and loading equipment may be used with the collecting devices.Type: GrantFiled: June 22, 1976Date of Patent: April 11, 1978Assignee: Schloemann Siemag AktiengesellschaftInventor: Gerhard Berz
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Patent number: 3942350Abstract: In a rolling mill train for producing wire, a billet is passed from a furnace to a single-core roughing train and then into a distributor for directing the rolled material into a number of heat-insulated storage channels. At the opposite end of each channel an intermediate train is arranged immediately followed in rectilinear alignment by a finishing train so that the rolled material passes in a straight line directly from the storage channel through the intermediate and finishing train for forming the finished wire.Type: GrantFiled: May 15, 1975Date of Patent: March 9, 1976Assignee: Friedrich KocksInventors: Hans Brauer, Paul Duepper
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Patent number: 3930395Abstract: Rolling mill for high production capacity and large bundle weights using one furnace followed by a roughing line and with separate intermediate- and finish-roll lines for each roll line.Type: GrantFiled: April 14, 1975Date of Patent: January 6, 1976Assignee: Schloemann-Siemag AktiengesellschaftInventors: Erich Bretschneider, Hermann Leitner, Friedhlem Bohmer