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Patent Searching and Data


Matches 801 - 850 out of 14,206

Document Document Title
WO/2002/058860A1
The aim of the invention is to improve known roll stands (10) which are characterised by working rolls (1, 2) of various diameters, in such a way that a strip is obtained which is largely free of tensions and undulations, has a desired s...  
WO/2002/053302A1
Disclosed is a roll driving system for a rolling mill. The roll driving system comprises hydraulic cylinders disposed in parallel between a rolling mill housing and a roll housing for supporting a backup roll and a work roll; load positi...  
WO/2002/053301A1
A hot rolling method capable of making crystal grains finer; and a hot rolling line. Specifically, a hot rolling line for metal plates comprises a finish rolling mill, a leveler, and a cooling system which are disposed in the order menti...  
WO/2002/054013A2
A monitoring and controlling system (A) for monitoring and controlling various operating characteristics of machine components. The monitoring and controlling system includes a primary transceiver (15), with sensors (10) and control devi...  
WO/2002/049782A1
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 a...  
WO/2002/040188A1
A depressing position setting method for rolling a plate capable of increasing the dimensional accuracy of a product and eliminating troubles with passing of plate due to a meandering and camber by reflecting, on a depressing set positio...  
WO/2002/038305A1
The invention relates to a method for producing strip-shaped input stock, especially from metal, which is profiled in subsequent sections either on one side or on both sides, by rolling a metal strip in one or more rolling steps. The met...  
WO/2002/028559A1
An endless hot rolling method capable of preventing a plate from breaking by assuring a connection strength and reducing a load on rolling rolls so as to prevent a damage to a retainer and the rolling rolls in an endless rolling, compris...  
WO/2002/028558A2
This invention provides a sheet width control method, in hot rolling, that calculates a sheet width (8) distribution of a rolling material (1) in a longitudinal direction and its temperature (9) on the entry side of a vertical rolling mi...  
WO/2002/026424A1
A plain carbon steel strip (12) is continuously cast in a twin roll caster (11) and passes to a run out table 17 on which it is subjected to accelerated cooling by means of cooling headers (18) whereby it is cooled to transform the strip...  
WO/2002/026408A1
The invention relates to a method and device for operating a hot rolling train with at least one edger and at least one sensor with which the strip end position is determined by means of a linear recording of the infra-red radiation from...  
WO/2002/024363A1
Method to control the axial forces generated between the rolls in a rolling stand (10) for plane products (12) having at least a pair of working rolls (11a, 11b), a corresponding pair of back-up rolls (13a, 13b) and at least an intermedi...  
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...  
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 ...  
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...  
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...  
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, ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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) ...  
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...  
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...  
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...  
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 ...  
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,...  
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...  
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...  
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...  

Matches 801 - 850 out of 14,206