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WO/2001/094042A1 |
The invention relates to a multiple-roll rolling mill for strip material, comprising working rolls (1,2) which are supported on support rollers (6, 7, 8, 9-16b) through optional intermediate rolls (4,5). Said support rollers are rotation...
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WO/2001/072442A1 |
A method of manufacturing a sheet by disposing a pair of working rolls (11, 12) of different diameters between upper and lower reinforcement rolls (13, 14) and driving only the large diameter work roll (12) of these working rolls so as t...
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WO/2001/072443A1 |
A method of shifting a work roll of a cluster mill, comprising the steps of rotating a lever arm (12) by driving a roll shifting cylinder (14) so as to shift a work roll (1) through a thrust bearing (15), performing an auto positioning c...
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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/2001/064360A1 |
A rolling mill, a looseness eliminating device of a roll bearing housing, a rolling method, a method of modifying the rolling mill, and a hot finishing tandem rolling equipment, characterized by comprising a roll bearing housing rotatabl...
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WO/2001/053604A1 |
Roll-changing apparatus for a multi-nip calender an upright part (10) of the roll-changing apparatus having at least one vertical column (11), to which at least one horizontal beam (12) and, at its lower end, a carrier part (13) belong, ...
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WO2000032328A9 |
A stretch roll forming apparatus (10) has multiple roll forming stations (12, 14, 16, 18, 20, 40, 22) arranged serially so that a sheet metal workpiece (24) can be advanced through the stations in sequence. Each station includes a pair o...
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WO/2001/049427A1 |
A roll grinding equipment, characterized by comprising a housing, two rolling rolls each having a bearing box in the housing, a rotatably driving device rotatably driving one rolling roll, a roll height position adjusting means enabling ...
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WO/2001/045872A1 |
A roller head for a planetary rolling arrangement, said roller head (1) comprising a housing (8), inside which housing there is rotatably arranged a hollow outer axis (5) and means (2, 3, 4), for rotating said outer axis, as well as insi...
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WO/2001/042672A1 |
The invention relates to an antifriction bearing for a shaft, cylinder or roller (2), especially for shafts, cylinders or rollers (2) of a rolling mill, in which metal strips are rolled, provided with a lubricant supply (9), which suppli...
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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/2001/026836A2 |
A roll-forming machine (10) is provided with a base structure (13), a plurality of first roll-forming stations (60a, 60i) that form a first component having a Z-shaped cross section (12a, 12j), and a plurality of second roll-forming stat...
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WO/2001/023114A2 |
The invention relates to a roll stand for rolling strips, especially metal strips, comprising a first stand part (2) and a second stand part (3), whereby at least one of the stand parts (2) is mounted on at least one guide element (4) al...
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WO/2001/021334A1 |
The invention relates to a rolling stand, comprising a pair of working rolls (1, 2) for rolling a metal strip (B), support rolls (8, 9, 10, 11) which laterally support the working rolls (1, 2) that are assigned to them and which can be i...
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WO/2001/021333A2 |
The invention relates to a device for raising and withdrawing a bearing unit (3) of a back-up roll (1) of a roll stand. Said bearing unit is comprised of a piece (4) to be inserted inside which has a roll pin bearing arranged therein. Ac...
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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/2001/000346A1 |
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/2001/000345A1 |
A roll stand for wire rod and steel rod rolling mill which is provided for the rolling of various sizes of wire rods and steel rods with fewer sets of housing blocks to be prepared, maintained easily, and has a feature in a housing, char...
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WO/2000/074869A1 |
The invention relates to an assembly provided with a changing device for changing the nut (11) which retains a roll ring and which is located on a roll shaft (2), said roll shaft being mounted in an unsupported manner and having a thread...
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WO/2000/071273A1 |
An integrated plant for the production of elongated product of relatively small cross section, such as bars and rods, contains an automated system for the administration of rolling mill operation. The system provides for the stand-by sto...
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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/2000/069579A1 |
The invention relates to a bending device for the working rolls of a hot-rolling frame, comprising hydraulic piston cylinder units which transmit bending forces to the chucks of the working rolls, using guide elements. The invention aims...
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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/2000/064606A1 |
The objective of the invention is, in the forming of a cylindrical pipe (60) into an angular pipe (70), to manufacture an angular pipe (70) in small volumes and with high efficiency correspondent to the variety of angular pipes demanded....
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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/2000/061308A1 |
The invention relates to a roll stand for rolling metal strips (2). Said roll stand comprises a housing (3) that encloses the roll stand (1), said housing having an air inlet (5) and an air outlet (12) between which a directional air cur...
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WO/2000/056475A1 |
The embossing rolls (1, 4) of embossing devices (14) that are used for processing two-dimensionally expanded material, especially in the packaging industry, can be exchangeably configured if they are mounted in suitable exchanger units (...
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WO/2000/053350A1 |
Disassemblable rolling mill stand, of the type involving a bedplate structure with a substantially 'U'-shaped embedding structure (1), within which the rolling mill assembly is embedded and fixed (2), with at least one couple of horizont...
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WO/2000/051754A1 |
A rolling mill with high precision in which its rolls are automatically supported in two dimensions at their mid-portions for controlling their flexibility, comprising a housing, cluster of rolls and roll chocks. Said chocks consist of m...
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WO/2000/048757A1 |
A taper sleeve (30) is configured and dimensioned for axial insertion in a tightly wedged position between the tapered neck section of a roll shaft and the cylindrical bore of a ring-shaped roll. At least the sleeve surfaces in contact w...
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WO/2000/047788A1 |
The invention relates to a plain bearing for the pivots of the rollers of gliding mechanisms, comprising a metal bearing bush (1) and a plain bearing alloy (2) on a tin basis with antimony and copper, which alloy is introduced into the b...
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WO/2000/043139A1 |
A device for adjusting the position of the forging rolls in a forming line comprising a forging head (2) housing at least two rolls (8) each supported by a support (4), characterised in that said support is mounted on a slide (10) provid...
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WO/2000/033986A1 |
The invention relates to an upright for a mill stand which comprises two side-members (1) connected by an upper and a lower cross-head (2, 3). The side-members are connected to the upper cross-head (2) via prestressed tie rods (10) which...
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WO/2000/033985A1 |
A universal rolling mill so designed that even in the type in which the yoke is upwardly retracted, a batch change of rolls including variable-width rolls can be easily made. The universal rolling mill using as horizontal rolls a pair of...
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WO/2000/029139A1 |
The invention relates to a method and a device for rolling sheets and strips onto a rolling stand. The upper and lower working rolls, optionally in pairs with their designated back up rolls, can be pivoted about a common vertical axis in...
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WO/2000/024534A1 |
A wiper for removing rolling mill oil adhering to a moving strip (2) by holding the strip (2) between upper and lower wiper rolls (3, 4), wherein backup rolls (5, 6) reinforcing the wiper rolls (3, 4) each have a single sleeve (14) rotat...
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WO/2000/023204A1 |
Device for accurate position control of a force-transmitting system comprising at least one solid-state piezo actuator (7), wherein the piezo actuator comprises a metal block (11) which is positioned between end plates (12, 13) and in th...
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WO/2000/021694A1 |
Method to make housings for rolling stands and relative housings, the method providing to make each housing (10) by coupling and welding a pair of uprights (10a) and a pair of cross-pieces (10b) obtained individually as monolithic elemen...
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WO/2000/021695A1 |
The invention relates to a method for producing tailored blanks by hot-rolling a strip, and to a device for carrying out the method. The tailored blanks to be cut to length from the rolled strip are obtained by cooling or heating the hot...
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WO/2000/012236A1 |
The invention relates to a rolling stand comprising back-up and working rolls for rolling plates and strips in which the upper and lower working rolls together with their corresponding back-up rolls can be displaced by pair-wise inverse ...
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WO/2000/005005A2 |
The invention relates to a system of supply, discharge and distribution lines of a distribution network for notably liquid operating media, such as lubricants or coolants, as well as for hydraulic pressure media for control organs or dri...
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WO/1999/065621A1 |
The invention relates to a roll bending device for use in stands for rolling strips and flat products in general. This device consists of a rod (31) and a hook-like element (35) which grip an appendage (9a) of the chock (9) of the roll (...
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WO/1999/056895A1 |
The invention relates generally to rolling stands (1) for strips and the like, of the type with crossing rolls (10, 11, 12, 13). More specifically, the invention relates to a special bearing (30) which allows the angular adjustment of th...
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WO/1999/057449A1 |
The invention relates to a method for disposing of a lubricant, preferably oil, of which a controlled supply is provided to a friction bearing, especially a roll neck bearing of a chock. Said lubricant flows into the bearing box and is d...
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WO/1999/054064A1 |
A multifunction rolling mill for H-steel comprising a pair of right and left vertical rolls comprising flange thickness rolling rolls and a pair of upper and lower horizontal rolls comprising a web thickness rolling roll part and a flang...
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WO/1999/052657A1 |
The invention relates to a roll stand for hot- or cold-rolling rolled strips consisting of different materials, comprising working rolls, support rolls and optionally, intermediate rolls arranged in pairs. The rolls (6) of at least one p...
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WO/1999/047284A1 |
The invention relates to a mill for rolling pipes or other bodies such as flat blooms, bars, rods and the like. The rolling mill is formed by an outer load-bearing structure in which holders are accommodated so as to be extractable there...
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WO/1999/041026A1 |
The invention concerns a rolling installation for a metal strip product comprising at least two rolls with parallel axes inside a cage with fixed support (1) having two spaced columns (11a, 11b) each forming a closed frame comprising two...
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WO/1999/033587A1 |
Method to eliminate the play between the chock (13) and the support element (16) in four-high rolling stands (10), the rolling stand (10) comprising working rolls (12) and back-up rolls (11) assembled on respective chocks (13, 14), suppo...
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WO/1999/033586A1 |
Bending block for a four-high rolling stand comprising working rolls (11a, 11b) and back-up rolls (12a, 12b) associated with respective chocks (14a, 14b; 15a, 15b), the stand also comprising a stationary housing (16) associated with mean...
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