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WO/2002/024355A1 |
The invention relates to a method for producing metal strips and sheets involving the following method steps: pouring a strand, which is provided in the form (1) of thin slabs and which is comprised of carbon steel or special steel, into...
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WO/2002/013984A1 |
A looper torque instruction undergoes such an operation that does not allow it to include as its component a signal obtained by integrating a looper angle deviation, and a looper speed controller (9) performs operation at a higher-speed ...
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WO/2002/011915A1 |
The invention relates to a production method for producing, on a production installation (1), flat products, also of a large width, from continuously cast slabs having a large or medium thickness or from thin slabs. Said production insta...
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WO/2002/011916A1 |
The invention relates to a roll stand comprising a crown-variable-control (CVC) roll pair, preferably a CVC working roll pair and a back-up roll pair, which comprise a contact area (b¿cont?) in which a horizontally active torque (M) act...
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WO/2002/009896A1 |
The invention relates to a method for band-edge orientated displacement of intermediate cylinders (11, 11`) in a 6 cylinder framework, comprising respectively a pair of working cylinders (10, 10´), a pair of intermediate cylinders (11, ...
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WO/2002/002251A1 |
A rolling mill, comprising a pair of upper and lower working rollers rolling a band steel, two pairs of upper and lower intermediate rolls supporting the working rolls, and two pairs of upper and lower reinforcement rolls supporting the ...
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WO/2001/091934A1 |
Thin steel strip (11) is passed through a pinch roll stand (12) comprising pinch rolls (13) to a rolling mill (16) comprising a pair of work rolls (17) and upper and lower backing rolls (18). Strip (11) passes through the bite between wo...
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WO/2001/079946A1 |
According to the inventive method for modeling and/or simulating a technical installation, the installation is firstly structured and parameterized as an installation layout so that, by using simulation calculations, process states of th...
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WO/2001/072444A1 |
The invention relates to a method and to a device for reeling up in the proper position a metal strip (2) in a reeling installation (3), wherein said hot-rolled strip (2) is fed to the reeling installation (3) via a drive unit (4) with d...
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WO/2001/070423A2 |
The present invention relates to an apparatus for rolling workpieces, such as sheets or rods, particularly metal foils, comprising: at least one roll stand (1); at least two driven working rolls (2, 3) rotatably embedded in said roll sta...
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WO/2001/066277A1 |
A rolling oil supplying method by a circulation system for cold rolling, which involves a first rolling oil supply system for supplying by a circulation system an emulsion rolling oil to rolling rolls and steel sheets under rolling and a...
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WO/2001/064362A1 |
A method of cooling a hot rolled steel band, comprising the steps of installing lower surface cooling boxes (12) on a runout (3) allowing a steel band to be transferred between transfer rolls (11), installing upper surface cooling boxes ...
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WO/2001/058612A1 |
Strip material (12) is fed to a reduction rolling mill (16) by a steering device (14) in the form of a pinch roll stand comprising pinch rolls (50) to which strip gripping forces are applied by hydraulic cylinder units (52) located at th...
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WO/2001/051227A2 |
The invention relates to a hot rolling mill, with at least one flatness measuring roller (16, 16'), pertaining to at least one rolling bed (20, 20'), arranged before and/or after one of the stands, which influences the settings of at lea...
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WO/2001/047648A2 |
The joint properties of a metal strip being rolled in a hot strip rolling mill, especially a steel strip, are adjusted in the cooling stretch of said mill by cooling. According to the invention, a time-related cooling course is predeterm...
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WO/2001/047647A2 |
The invention relates to a device for cooling a hot-rolled metal strip leaving a roll stand by applying a coolant depending on the temperature of the metal strip. According to the invention, the cooling device comprises a cooling model f...
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WO/2001/041947A1 |
The exit thickness (h¿m?) of strip in a metal rolling mill is calculated by estimating input and exit strip velocities (V and v) and using a mass-flow balance equation. V and v are estimated by measuring angular velocities in the uncoil...
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WO/2001/039905A1 |
Thin steel strip (11) is passed through a pinch roll stand (12) comprising pinch rolls (13) to a hot rolling mill (16) comprising work rolls (17) and backing rolls (18). In advance of rolling mill (16) the strip passes over support rolls...
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WO/2001/036122A1 |
A method for improving the flatness of metal plates, and a device for embodying this method, by effectively preventing steel plate undulations which are produced in the widthwise edge of a metal plate when the latter reaches ordinary tem...
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WO/2001/035050A1 |
A bandlike body being conveyed by a roller is imaged by e.g. a television camera. The distances from positions along an edge of the imaged bandlike body to a reference line provided in the longitudinal direction of the bandlike body are ...
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WO/2001/030533A1 |
A system for controlling a dynamic surface includes at least one sensor (114) for detecting the presence of a deflecting force on dynamic surface (108) and generating a feedback signal proportional to the deflecting force. The system inc...
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WO/2001/028704A1 |
The invention relates to a roller device (1) comprising four star-shaped rollers (3). Said rollers are individually associated with a drive unit (10). An adjustment unit is respectively mounted upstream from said rollers. The rollers can...
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WO/2001/019543A1 |
A hot rolling method which, even if an abnormality occurs before, during or after the joining of metal pieces, does not need to stop the operation of the line. The method is such that if, at the inlet side of a finish rolling machine (26...
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WO/2001/019544A1 |
Method to control the profile of a strip (13) in a rolling stand for strip and/or sheet comprising at least two working rolls, respectively upper (11a) and lower (11b) and defining a reference pass-line (15) substantially coinciding with...
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WO/2001/017704A1 |
The invention relates to a method and a device for cooling a hot rolled steel strip (1, 30, 40, 50) that runs off a roll stand (2). Cooling is carried out by means of a cooling device (3, 4, 5, 6, 7, 8, 9, 10) and at least two temperatur...
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WO/2001/012353A1 |
A rolling mill, wherein work rolls (14, 15) are installed pivotally on upper and lower work roll chucks (12, 13) in a housing (11) opposedly to each other, respectively, a press-down device (20) acting a specified pressure against the up...
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WO/2001/010578A1 |
A hot finish-rolling method for bar steel, which can improve a dimension accuracy and uniformize its structure, and which uses a 2-stand/3-roll finishing mill, wherein a final-finish-pass reduction of area is 10 to 20 % and a final-finis...
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WO/2001/011137A1 |
The invention concerns a method and a device for damping vibrations in a roll housing wherein power is supplied by an electric motor. The inventive method consists in: measuring the rotational speed of the electric motor; determining the...
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WO/2001/005528A1 |
Method to control the planarity of flat products rolled with a rolling stand (10) having a pair of working rolls (11a, 11b), a corresponding pair of back-up rolls (13a, 13b) and at least an intermediate roll (15a) placed between one of s...
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WO/2001/005529A1 |
The invention relates to a method and a device for rolling a metal strip, using a sizing stand (7). The thickness of the metal strip (1) is reduced by the rolling process in the sizing stand (7), whereby the speed of the metal strip (1) ...
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WO/2001/005527A1 |
Rolling stand (10) for plane products and method to control the planarity of said plane products, said rolling stand comprising a pair of working rolls (11a, 11b), a corresponding pair of back-up rolls (13a, 13b) and at least an intermed...
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WO/2001/002109A1 |
A method and device for rolling a metal foil (1) in a rolling mill. The rolling mill comprises at least two rolling stands and the metal foil (1) comprises at least two partial areas (3,4) which have varying thicknesses and which are joi...
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WO/2001/002840A1 |
The invention relates to a method for process-optimizing regulation of parameters in a production process for a long flat product (2) aimed at obtaining a predetermined quality. The surface of the product (2) is observed in an appropriat...
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WO/2001/000346A1 |
Vibration damping apparatus (40) includes a body in the form of backup roll balance piston (42) positionable for sliding movement in an enclosure in the form of cavity (44) in the lower backup roll chock (30) of the mill stack (10). The ...
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WO/2000/078475A1 |
The invention relates to a method for influencing relevant quality parameters of a rolling strip, especially the profile or the flatness of the rolling strip, in a roll stand having rolls by adjusting the crownings of the rolls, that is,...
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WO/2000/078474A1 |
A hot rolling method comprising controlling a process, which includes the welding, rolling and take-up of materials, in such a manner that the processing of both a preceding material and a following material finishes at a preset speed, b...
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WO/2000/078476A1 |
Device and method to control the vibrations in a rolling stand comprising working rolls (13) connected to a single motor mean (26) by a kinematic chain comprising motion-splitting pinions (20) and spindles (16), the method providing to d...
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WO/2000/074867A1 |
A disadvantage in the production of thin strips by austenitic rolling in the hot strip trains is that very thin strips are delivered at high speeds (v¿W?), which can cause difficulties for the successive processing steps. According to t...
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WO/2000/071271A1 |
An integrated plant for the production of elongated metal product of relatively small cross section, such as bars and rods, is described in which the product is initially cast in a pair of continuous casters and conducted along parallel ...
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WO/2000/069582A1 |
The invention relates to a method and device for the production of a striplike pre-material made of metal, using rollers (11,12) in a roll stand (2) defining a roll gap (13) The metal strip (16) is rolled between said two rollers (11,12)...
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WO/2000/064605A1 |
The invention relates to a rolling process for a metal strip (1) having width (b), wherein the metal strip (1) is rolled in at least one rolling stand (2), wherein an amount of lubricant is applied and spread on the width (b) of the meta...
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WO/2000/065319A2 |
When rolling steel sheets and other rolling stock, rattling occurs in certain operating states. This results in reduced quality of the rolling stock and rejects as well as damage to the rolling mill. No improvement was achieved by placin...
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WO/2000/064604A1 |
A rolling device (11) capable of forming and opening a clearance (33) for rolling, wherein a material (35a) having a cross-section diameter varying in axial direction is formed, and a tapered finished product (35b) is formed of the mater...
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WO/2000/065103A2 |
The invention relates to a method for producing non-grain-oriented electrical sheet, according to which a steel starting material, especially prerolled slabs heated to a reheat temperature $m(F) 1250 °C and directly used cast strips or ...
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WO/2000/059651A1 |
The invention relates to a guide system for a rolling mill, especially for a mill train. According to the invention, said rolling mill, especially said mill train, is provided with a roll stand that is driven by a drive system. The guide...
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WO/2000/056477A1 |
The invention relates to a method for detecting the roll force in a rolling stand used to roll metallic rolled stock, according to which the roll force is detected by means of a neural network. According to the invention the neural netwo...
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WO/2000/056476A1 |
A method of continuously rolling a plurality of steel products, wherein a table-speed correction means (1) corrects, before a preceding-product is rolled, a speed of a succeeding product-carrying table via a trunk control device so that ...
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WO/2000/054900A1 |
The invention relates to a method for rolling a strip in a strip rolling mill which has at least two roll stands or an individual stand with upper and lower, optionally adjustable working rolls respectively, said rolls being optionally s...
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WO/2000/055381A1 |
The invention relates to a method of producing hot-rolled strips that are characterized by a high plasticity and an increased strength. To this end, a hot-rolled strip (W) is used, starting from continuously cast slabs, especially in the...
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WO/2000/050189A1 |
A process to obtain in continuous casting and in the immediately subsequent in-line rolling stage a pre-strip with characteristics such as to make it possible, in the subsequent processes downstream, to manufacture plates and coils in hi...
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