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WO/2002/074460A1 |
A hot rolling mill, comprising the mills having the mills disposed on a front stage and the mills of a plurality of stands disposed on a rear stage and a cooling means disposed on the outlet side of the mills of at least two stands on th...
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WO2000077513A9 |
A device for nondestructive testing of especially hot, bar-shaped rolling material above Curie point during the rolling process by means of an exploring coil system which can be impinged upon by a coolant and which rotates around the rol...
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WO/2002/064275A1 |
A method of rolling by a multistage hot rolling mill, comprising the steps of disposing a pair of working rolls in a roll profile shape having a divergent part with a roll diameter increasing toward a roll end near a one side roll end pa...
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WO/2002/062931A1 |
The invention concerns a method for cold rolling metals using an aqueous lubricant comprising: (1) at least a mixture based on at least an acid selected among saturated or unsaturated mono- or poly-carboxylic acids, comprising 5 to 40 ca...
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WO/2002/060610A1 |
Disclosed herein is a crown preventing backup roll assembly for rolling mills, which is capable of easily and precisely preventing a steel strip (S) from being crowned in real time, regardless of the width of steel strip (S).The backup r...
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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...
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WO/2002/059936A2 |
A metallic resistive heater includes an electrically conductive metallic component (330) (i.e., has low resistivity) and an oxide, nitride, carbide, and/or boride derivative of the metallic component (330) that is electrically insulating...
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WO/2002/049789A1 |
The invention relates to a casting roller for the casting of metal strip in the casting gap between two parallel casting rollers with variable separation and which may be cooled. A shaft (1) with a shell (2), surrounding the above at a s...
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WO/2002/036286A1 |
The invention relates to black plate for producing deep-drawn parts for packaging purposes, especially lids for drink containers and/or for food or drink containers. A surface of the black plate contains a raised section (14) which has a...
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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...
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WO/2002/024362A1 |
The invention relates to a four- or six-high rolling stand for a rolling train and to a method for operating the same. The aim of the invention is to provide rolling stands that can adapt rapidly to rolling products of different thicknes...
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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/2002/022304A1 |
The invention relates to surfaces of tools, machines and work tools covered with a defined microstructure which consists of a plurality of microscopic cavities or projections. With the aid of said microstructure, material placed against ...
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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/2002/002253A1 |
A pinch roll assembly that may be used for feeding hot metal strip comprises a pair of parallel pinch rolls. At least one of the rolls (21) comprises a copper or copper alloy tube (31) providing the external peripheral roll surface (32) ...
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WO/2002/002252A1 |
The inventive forming roll is used for producing working rolls for finishers of a rod mill and small-section mill. Said roll comprises a shaft having a conical mounting surface and a milling disk made of a wear-resistant material mounted...
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WO/2001/097989A1 |
Improved work roll, particularly for use in closed gap rolling, has a composite structure comprising a cylindrical outer layer (14) made of steel, and providing the work surface of the roll, separated from a steel core (12) by an interme...
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WO/2001/096037A1 |
An apparatus is disclosed for applying a fluid coolant to the surface of rotating work roll (12) in a rolling mill. The apparatus includes a housing having a generally concave inner edge (13) configured and dimensioned to partially surro...
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WO/2001/094049A1 |
The invention relates to a method and to an installation for producing a metal strip. The aim of the invention is to make sure that the metal strip formed in the casting installation passes through the first cooling and grain texturing p...
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WO/2001/092600A1 |
The invention relates to a method for coating a metallic component with an anticorrosive coat. To this end, a metallic shaping tool is at least partially sprayed with a concentrated mold release agent, and the component is poured into th...
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WO/2001/087508A1 |
A method of producing long-sized composite rolls of cemented carbide, and a steel hot-rolling method using the same. The roll producing method produces a composite roll of cemented carbide having a sleeve which is composed of an outer la...
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WO/2001/078915A1 |
A process for the manufacture of thin and ultra-thin hot-rolled strips having improved dimensional and geometrical features, comparable with those of the cold-rolled strips of the same thickness, is described. According to the process, t...
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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/2001/071048A1 |
The displacement of lubricant as a result of dynamic and static processes is a problem in forming procedures but also in bearings. Specific crater-shaped recesses (2) formed in the surface of a tool (1) using heat allow the formation of ...
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WO/2001/066276A1 |
The present invention is directed to the texturing of rolls for rolling sheet and plate metals, such as aluminum and aluminum alloys, other metals and their alloys, laminates and composites, where the rolled sheet or plate is textured by...
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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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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/2001/030533A1 |
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/2001/025499A1 |
The invention concerns a steel material which consists of a steel having the following chemical composition in weigh-%: 1.0-1.9 C, 0.5-2.0 Si, 0.1-1.5 Mn, 4.0-5.5 Cr, 2.5-4.0 (Mo + W/2), however max 1.0 W, 2.0-4.5 (V + Nb/2), however max...
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WO/2001/014074A1 |
A method of sizing-rolling performed by installing three units or more of 4-roll rolling mills in series with each other, comprising the steps of setting, in a first pass, a center angle $g(u)1 of the complete round forming part of a rol...
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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/2001/011435A1 |
The invention provides a process of producing an article, such as a foil or a beverage can body, having a surface provided with an optical diffraction grating such that the surface generates visible interference colors when illuminated w...
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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/2001/005527A1 |
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/2001/002124A1 |
A manufacturing device for heating tube with internal grooves, comprising a fin rolling roll (24) and a supporting roll (26) rolling a W-shaped fin (2) by sandwiching and rolling a metal strip material (T) by these rolls, a plurality of ...
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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/2000/066801A1 |
The invention concerns a steel article, which consists of an alloy having a chemical composition, which contains in weight-%: 1.2 to 2.5 C; 0.8 to 2.0 Si, which partly can be replaced by aluminium, which may exist in an amount of max 1.0...
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WO/2000/065118A1 |
The invention relates to a method for producing and processing casting materials for indefinite rollers with a sleeve part. The aim of the invention is to improve cast parts, especially rollers in the last stands of a strip rolling mill,...
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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/2000/064619A1 |
A method for depositing corrosion and wear resistant high alloy overlayers on industrial component substrates. Dilution of alloying components from out of the overlayer into the substrate is minimized by use of electroslag surfacing onto...
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WO/2000/061945A1 |
The object of the invention is a pumping method and arrangement, in which at least two chamber pumps (A, B) are operated in order to achieve a constant output flow. In the pumping procedure and arrangement in question, the entry chamber ...
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WO/2000/059652A1 |
A cold rolling mill the productivity of which is improved by installing a strip wiper preferable for high-speed rolling and which is free from dust and foreign matters. A wiper roll is floated and supported by an air hydrostatic bearing ...
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WO/2000/051756A1 |
A roll for rolling which has a base material made from a steel containing 0.60 to 1.1 % of C, 0.15 to 3.0 % of Si, 0.15 to 3.0 % of Mn, 3.0 to 12.0 % of Cr, 0.5 to 5.0 % of Mo and 0.5 to 10 % of Co and, on the surface thereof, a hard coa...
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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/2000/044510A1 |
Non-directional and diffuse reflecting photometric properties may be imbued to a metal sheet stock, particularly aluminum alloy sheet stock, by directly creating a textured surface on one or more surfaces of the sheet stock through mecha...
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WO/2000/038852A1 |
The present invention pertains to the pressure-processing of metals, mainly to the tube rolling industry, and may be used in the cold rolling of tubes in rolling mills. This invention relates to the calibration of an instrument for the c...
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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/2000/031486A1 |
An internally grooved heat exchanger pipe wherein the inner surface is divided into a plurality of regions (W1, W2) continuous in the direction of the axis of the pipe, (L), and the adjoining regions (W1, W2) are formed with a number of ...
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