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WO/2000/054901A1 |
A heat shield arrangement (12) for a roller table (2) comprising respective upper and lower series of heat shield panels (32, 34, 36, 18) above and below a hot material path (42) along the table. The lower series of panels (18) includes ...
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WO/2000/051755A1 |
Disclosed is a method for manufacturing hot rolled steel sheets. The method includes the steps of passing molten steel through a continuous caster (11) having a mold after having been passed through a ladle (91) and a tundish (92) to man...
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WO/2000/051757A1 |
According to known methods for drying and keeping dry especially rolled strips (10), the dry area (34) of the finished rolled strip is separated from the damp area (35) of the rolling stand by a partition (12, 13; 14, 15). According to t...
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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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WO2000015364A9 |
Lubricating equipment (10) for supplying to mechanical equipment (12) an emulsion of oil-in-water with a consistent concentration of the dispersed oil phase includes a circulation system (14) extending to the mechanical equipment from re...
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WO/2000/045971A1 |
The invention relates to a working method and an installation for the pickling and cold-rolling of metal strips. Said installation is comprised of a metal pickling device, of a winder arrangement provided on the winding side of the metal...
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WO/2000/044964A1 |
A method of efficiently suppressing and removing scale in a hot rolling process of a steel product so as to remarkably shorten a pickling processing time in the next process, comprising the steps of applying a DC or AC of 0.1 to 10?5¿ A...
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WO/2000/037189A1 |
The invention relates to a method for the manufacturing of strips of stainless steel, comprising cold rolling of a strip which in a foregoing process has been manufactured through casting a melt to form a cast strip and/or has been hot r...
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WO/2000/037200A1 |
The invention relates to a method and to a device for producing continuously cast billets in a production plant consisting of a vertical-type continuous casting machine for casting round billets which is provided with a horizontal discha...
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WO/2000/037190A1 |
A strip of stainless steel, which is cast and/or hot rolled and which is dark coloured by oxides on the surface of the strip, remaining from the foregoing manufacture of said cast and/or hot rolled strips, is cold rolled in one or more c...
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WO/2000/030778A1 |
Self-healing articles resistant to oxidizing agents and useful for surface conditioning of sheets, especially metal sheets, are described. The articles (21) comprise a plurality of compacted, stacked non-woven web elements (2, 22), the w...
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WO/2000/030776A1 |
The invention relates to a rolling mill for hot-working thin steel strips and other similar metallic materials; in particular, this rolling mill consists of a series of tandem arranged stands (2) which act simultaneously on a strip and a...
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WO/2000/030794A1 |
A method and device for deburring, wherein a cutting blade is disposed so that its flank is roughly in parallel with the surface of a burred steel piece and an angle formed by the cutting edge of the cutting blade and the end part of the...
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WO/2000/029140A1 |
The invention relates to a method and a device for reducing the formation of scales on rolling stock (3) which leaves the roll stand. According to the invention, heated water, especially wet steam, is sprayed onto the rolling stock (3) w...
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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/2000/021695A1 |
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/2000/016920A1 |
The invention relates to a method and a device for treating the surface of workpieces (12, 12', 12 ). According to said method the workpiece (12, 12', 12 ) is at least partly subjected to the action of a roll (16, 16', 16''', 74', 74 , 8...
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WO/2000/015362A1 |
The invention relates to a method for producing hot-rolled strips and plates in a production plant consisting of a continuous casting installation for slabs between 100 and 180 mm thick, descaling sprays, a single- or multiple-stand roll...
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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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WO2000003042B1 |
A steel rolling mill including a Steckel mill (19) is provided with an in-line upstream quench station (14) located downstream of the caster (11) and upstream of the reheat furnace (15), a shear (25) located downstream of the Steckel mil...
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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/2000/012233A1 |
Oxides on the surfaces of metal are reduced by directing reducing gases at them in a forceful and turbulent manner in an enclosure. The oxide-bearing surface is heated to at least 900 degrees F.
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WO/2000/010744A1 |
A hot metallic workpiece is advanced between side guides (20, 22) extending along opposite lateral sides of a driven roller table (10) for guiding the hot metallic workpiece to a hot mill. Each of the side guides takes the form of a beam...
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WO/2000/007778A1 |
The invention relates to the removal of hard material from a substrate, and more particularly to the removal of hard, abrasive non-metallic material. The invention provides an apparatus for removing a hard material from a substrate, said...
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WO/2000/005422A1 |
The invention relates to the production of dual-phase steel (2) which is obtained by targeted cooling after the final deformation step in a rolling stand (1), whereby a dual-phase structure of between 70 and 90 % ferrite and between 30 a...
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WO/2000/003815A1 |
Mill scale is removed from strip steel (2) by passing the strip (2) into a chamber (7) containing a surface heater such as an induction coil, and contacting the mill scale within the chamber (7) with countercurrently passed reducing gas ...
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WO/1999/064177A1 |
The present invention pertains to the field of metallurgy and more precisely relates to combined methods for continuously casting slabs and for continuously rolling the same. The method for producing a hoop in a combined casting and roll...
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WO/1999/058263A1 |
The invention relates to a method for producing steel strip using a strip casting machine (1a) or thin slab casting system (1b) connected to hot-rolling stands (10). Strip-processing devices (7, 13, 14, 15) are positioned downstream of t...
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WO/1999/052658A1 |
The invention relates to a method and a device for removing the oxide layer from hot-rolled steel sheets. The sheet is mechanically deformed in order to break open the oxide layer. Once it has been broken open, the oxide layer is removed...
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WO/1999/051369A1 |
A process is described for rolling aluminum products in which the aluminum is passed between rolls of a rolling mill and rolling bite friction is controlled by applying to the rolls or less often to the aluminum being rolled a lubricant ...
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WO/1999/043451A1 |
The invention concerns a method for making thin stainless steel bands which consists in successively and continuously carrying out the following steps on a single processing line: continuously casting directly from liquid metal a stainle...
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WO/1999/042769A1 |
A method and apparatus provide a uniform temperature distribution across the width of a metal strip during cooling. The apparatus includes a cooling pipe (55) having nozzles (130) attached thereto. The nozzles (130) are constructed and a...
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WO/1999/041952A1 |
An induction heating coil surrounding a hot rolled steel that is being conveyed on a plurality of conveyer rollers so as to heat the hot rolled steel by high-frequency induction heating (movement heating), and an induction heating device...
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WO/1999/040230A1 |
The invention relates to a device for guiding bands in a suspended manner and for stabilizing bands, preferably wide metal bands, for the purpose of heat treating the same. In the device, the band is blown on both sides with the aid of s...
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WO/1999/033588A1 |
The method relates to a method for descaling the inside of the preliminary pipe during rolling in a plug rolling mill. According to said method, to remove the scale pressurized water, which is emitted through nozzles in the direction of ...
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WO/1999/030849A1 |
The invention concerns a specific high power device for cooling a thin metal strip (2) moving in a horizontal plane, comprising upper cooling ramps (4) arranged along said strip travel path, and water retaining means (7, 8) arranged resp...
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WO/1999/030847A1 |
The invention relates to a method and installation for the continuous production of hot-rolled flat products made of a thin casting strip, comprising a casting machine (12) for producing a casting strip, a device for cooling the casting ...
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WO/1999/028061A1 |
The invention relates to a device for detaching scale from the surface of a metal strip (B) comprising a device (5) for mechanically loosening the scale and a collecting device (20, 21) for removing the scale from the strip surface (Bo, ...
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WO/1999/025481A1 |
The inventive spray nozzle (5) comprises a mixing chamber (15) into which a liquid (7) forming a first and a second liquid flow (12, 13) flows through two inlet openings (9, 10) and which has an outlet opening (30) for a spray jet (40), ...
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WO/1999/024186A1 |
Method to control the axial position of slabs emerging from the continuous casting machine, the method providing to control the axial position of the slab (24) in correspondence with the inlet to the first rolling stand and to act in fee...
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WO/1999/016626A2 |
A process of laminating gold foil includes the steps of pressing a gold piece to form an elongated thin gold foil; cutting the gold foil to a plurality of gold foil pieces; placing each of the gold foil pieces between two plastic sanding...
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WO/1999/003610A1 |
A strip mill using movable coiling furnaces (126) that are in a first position horizontally aligned with the pass line (116) eliminates the need to deflect the strip into the furnaces. In a second position the movable furnaces are displa...
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WO/1999/001226A1 |
The invention relates to spray valves (1) particularly for the direction of coolant against rolling rolls. During cold rolling there is an inevitable heating effect caused by the friction between a roll and the material being rolled that...
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WO/1998/056511A1 |
A valve (1) has an aluminium body (2) having four inlets (3) for fluid to be controlled at one, planar end (4) of the body. Centrally of the inlets (3) is a control fluid inlet (6). A shuttle chamber (8) extends away from the inlet (6), ...
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WO/1998/056517A1 |
A multi-strand continuous caster (2 or 34) has downstream furnace means (12 or 36) for receiving cast strands (E, F), and a hot strip rolling mill (28) downstream of the furnace means for rolling the strands to strip, said furnace means ...
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WO/1998/053111A1 |
The present invention relates to a method for producing hot rolled aluminium tape for can making, including in rolling units with a production capacity per annum lower to 250.000 units, with reversing breaking-down of the raw material, d...
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WO/1998/051423A1 |
Tandem with two reversible four-high rolling stands (14a, 14b) for the cold rolling of thin strip up to 0.18 mm, advantageously from 0.18 to 1.2 mm, comprising at least a first (12a) and a second (12b) drawing reel, means to heat the rol...
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WO/1998/047634A1 |
A process and apparatus for cleaning metal strip without the use of pickling acids, including an uncoiler (1) leveller (2) and a grinder (3) for removing surface oxide from the strip. Optionally, tension is applied to the ground strip to...
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WO/1998/045062A1 |
A sheet bar of 20 to 50 mm in thickness produced by continuous casting on a sheet bar caster is passed as they are through a first straightener, coiled in an up-end state into an up-end sheet bar coil, then the up-end sheet bar coil is u...
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WO/1998/042462A1 |
The invention relates to a method and a device for producing wire from cast aluminum strands with a trapezoidal cross-section. Said strands undergo several roll forming steps (5, 6) after casting and hardening in the peripheral groove of...
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