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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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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/2000/018971A1 |
Numerous work pieces, especially shaping tools, suffer from local peak stresses which results in increased wear. Locally remelting insular parts of said work pieces and/or inserting thermal implants (5) of additional materials (7) serves...
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WO/2000/016918A1 |
A molten substance from a discharge electrode worn due to electric discharge energy during discharge machining in a liquid or a reaction product thereof is deposited on the surface of a roll thereby to form a hard film of the molten subs...
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WO/2000/015363A1 |
Method and device to reduce and eliminate vibrations in a rolling stand (11) for plane rolled products (12) comprising working rolls (13) associated with drive means (26) by means of a kinematic chain, there being included means to deliv...
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WO/2000/013812A1 |
A sheet hot rolling mill, wherein its finishing rolling mill (30) is divided into front and rear stages (31 and 32), and CVC mills (31A and 31B) of two stands or more are disposed on the front stage (31) and different diameter roll mills...
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WO/2000/010743A1 |
Disclosed is a composite roller mill for hot-rolling mills which is comprised of a center roll made as a body of roll with roll necks from an iron-carbon alloy and a hardened external layer covering the center roll and forming a single p...
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WO/2000/006315A1 |
The invention relates to a back-up or intermediate roller for producing a flat rolled product,especially a strip, in a rolling mill. The inventive roller consists of a cylindrical core with a rotationally fixed coaxially enveloping tubul...
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WO/2000/005063A1 |
The aim of the invention is to simplify a method for producing press rolls, or ring liners or ring segments for press rolls which have at least one cooling channel for dissipating heat. To this end, the one or more materials immediately ...
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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/1999/054064A1 |
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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