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WO/2009/124830A1 |
The invention relates to a method and an apparatus for controlled cooling of hot rolled metal (1) using zone separation spray devices (10,11,12) which are adjustable as a function of the cooling flow (5,8) applied.
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WO/2009/119724A1 |
An aluminum alloy plate is provided which is suitable for use as members for apparatuses relating to semiconductors. The alloy plate is satisfactory in plate thickness precision and flatness and can be inhibited from having surface defec...
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WO/2009/112654A1 |
The invention relates to a method for acting on the temperature of a running strip (4), by blowing a gas or a water-gas mixture, wherein said method comprises ejecting, on each surface of the strip, a plurality of jets of said gas or wat...
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WO/2009/107639A1 |
A cooling system of rolled steel for cooling a long hot-rolled steel comprises a plurality of chambers arranged along the longitudinal direction of the rolled steel. The plurality of chambers are provided, respectively, with an air outle...
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WO/2009/103891A2 |
The invention relates to a device for blowing a gas on a surface of a running strip material, that comprises at least one hollow casing (20) provided with a plurality of tubular nozzles (30) directed towards the relevant surface of the s...
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WO/2009/101941A1 |
In performing cold-rolling of a steel plate coil (7), when the tail end of the steel plate coil (7) is wound around a tension reel (3) prior to a second-pass rolling after completion of a first-pass rolling, the tail end is heated to a t...
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WO/2009/099206A1 |
The ceiling portion of a building (3) of a coil yard (1) for storing temporarily hot-rolled coils (2) that is steel intermediate products as the hot radiator to be manufactured in the hot rolling facilities of an iron mill is equipped wi...
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WO/2009/095896A1 |
A device for generating fluid micro streams comprises a body portion with a fluid supply cavity therein and a plurality of fluid micro channels interconnecting the fluid supply cavity with an external outlet face of the body portion, the...
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WO/2009/094848A1 |
A profiled steel used for a medium-low speed magnetic suspension train rail has F-shaped cross section, including an inclined leg (1), a vertical leg (3), a web (2) and an horizontal extension section (4). The centerline of the inclined ...
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WO/2009/090993A1 |
Disclosed is a carrying apparatus, which comprises a plurality of carrying rollers supported in parallel at a predetermined spacing, so that a workpiece is carried from a rolling machine to the inside of a heat keeping-applying furnace b...
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WO/2008/077449A9 |
The invention relates to the field of controlled cooling of hot plate or strip shaped metal. An apparatus for the controlled cooling and a control method is proposed. The apparatus comprises a header fitted with a first valve (7), wherea...
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WO/2009/079700A1 |
This invention relates to a method of forming a multi-layer bonded product. The method involves forming a distribution of fine particles on one or both surfaces of two bodies to be roll-bonded. The particles are selected to be embeddable...
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WO/2009/076890A1 |
Disclosed are a method for producing wide flat steel by thin slab continuous casting and rolling and the system thereof. The method includes the following steps: the molten steel is first continuously cast into a thin slab of 50~90mm thi...
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WO/2009/068644A1 |
Process for the in-line thermal treatment of rolled rails which ensures to obtain a fine pearlitic structure which is uniform through a whole predetermined superficial thickness of the rail head. There is also disclosed a new device for ...
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WO/2009/069812A1 |
A steel-slab-use hot scarfer constituted by arranging side by side a plurality of scarfer units each comprising an upper block and a lower block provided with fuel gas jetting ports, an oxygen passage provided between the upper block and...
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WO/2009/056712A2 |
This process for the secondary descaling of running metal strips, especially made of steel, while being hot-rolled, by spraying water onto their surface using spray rails having nozzles supplied with pressurized water, is characterized i...
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WO/2009/043668A1 |
The invention relates to a cooling section having a plurality of coolant outlets (2), by means of which a coolant (4) can be applied to a rolling stock (3) passing through the cooling section (1) during the normal operation of the coolin...
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WO/2009/024644A1 |
The invention relates to a method and equipment for controlling flatness of a stainless steel strip in connection with cooling after annealing in a finishing line. The strip (1) is first in the direction of the strip movement (2) cooled ...
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WO/2009/016767A1 |
An apparatus capable of controlled cooling while carrying out horizontal passage of hot steel sheet under restraint by means of restraining rolls, in particular, an inexpensive cooling unit for hot steel sheet capable of continuous wide-...
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WO/2009/011070A1 |
In the event of cooling a steel sheet to a preset cooling termination temperature, the quantity of cooling water jetted from superior and inferior faces of a cooling unit is rapidly controlled to thereby prevent with high precision any d...
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WO/2009/000421A1 |
The invention relates to a cooling device (100) for cooling a metal strip (200) following reshaping in a cold rolling stand (200) having at least one nozzle (112) for spraying a cooling medium (400) onto the surface of the metal strip (2...
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WO/2008/156106A1 |
A hot rolling apparatus adapted to conduct hot rolling treatment of a cupriferous metal material to thereby obtain a metal sheet. This apparatus comprises rough rolling means for, in accordance with the reciprocation of heated metal mate...
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WO/2008/141716A1 |
The invention relates to a method for pickling hot-rolled silicon-steel strips (4) continuously moving in at least one pickling tank (20, 21, 22) containing a pickling solution (30, 31, 32). According to the invention, the pickling metho...
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WO/2008/139632A1 |
A method of cooling a steel sheet that in the controlled cooling of thick steel sheet, realizes uniform cooling free from sheet warpage over the whole length of the steel sheet. There is provided a method of cooling a steel sheet, involv...
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WO/2008/124914A1 |
A roll cleaning apparatus having a cleaning member mounted to a support member that extends lengthwise relative to a first roller of the machine. The cleaning member has a brush having a substantial area to place against the surface of t...
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WO/2008/117552A1 |
A device and method for cooling a hot-rolled steel strip, capable of uniformly and stably cooling the steel strip at a high cooling rate when cooling water is supplied onto the upper surface of the hot-rolled steel strip. The device has ...
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WO/2008/108483A1 |
A process for producing a steel sheet of given thickness excelling in the uniformity of material properties along the length of the steel sheet with the use of a reversing rolling mill and a through cooling unit. In particular, there is ...
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WO/2008/105453A1 |
A method of rolling a metal sheet material with the use of a pair of rolls, characterized in that the frictions at interfaces between the pair of rolls and the metal sheet material are different from each other, and that at least one of ...
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WO/2008/093396A1 |
A temperature control unit of hot rolling machine that avoids any sharp temperature change of rolling material at a place near the outlet of the rolling machine to thereby realize a high-precision control of sheet thickness. Accordingly,...
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WO/2008/089526A1 |
The invention relates to a method and machine for cleaning continuous and limited length rolled products, wherein the inventive method is carried out by means of a centrifugal shot layer and consists in positively displacing a rolled pro...
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WO/2008/089827A1 |
The invention relates to a device (1) for cooling a metal strip (2) between two rolling stands (3), wherein the strip (2) is led over a leading-over element (4) of a flat form and arranged under the leading-over element (4) is a spraying...
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WO/2008/062944A1 |
Disclosed is to an improvement apparatus of surface roughness of hot/cold rolled stainless steel coils and the method thereof. The present invention provides an improvement apparatus of surface roughness of hot/cold rolled stainless stee...
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WO/2008/058874A1 |
The invention relates to a device (1) for cooling material (M) to be cooled, for example sheet steel, comprising a storage container (2), which is connected to a coolant supply (4) and is constantly filled with coolant (K) and has on at ...
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WO/2008/059321A1 |
A method for the surface preparation of metallic strips, drafts and/or draw pieces comprises the treatment of the surface of the metallic strip, draft and/or draw piece by the ejection onto the strip of jets of fluid, at a high velocity,...
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WO/2008/053522A1 |
A hot rolling device has induction heating means (2a, 2b) and material cutting means (3a). The induction heating means (2a, 2b) heats a material (6) by allowing it to pass through the means. When a shape defect occurs in the material (6)...
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WO/2008/053525A1 |
An induction heater (1) comprises an inductor (6) which can adjust the inductor gap (H), i.e. the interval of the opening (3) of a C-shaped core (2), upper and lower core legs (4a, 4b) of the opening (3) being wound with heating coils, a...
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WO/2008/053947A1 |
A method of cooling a hot-rolled steel strip which can be implemented at reduced equipment/processing costs, provides little variations in temperature of a steel strip after cooling, and can control with high accuracy a cooling terminati...
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WO/2008/035510A1 |
A method for cooling the opposite surfaces of a steel plate under clamp conveyance between a clamp roll pair with refrigerant jet flow from the upper/lower surface nozzle groups between the clamp roll pair in which the upper and lower su...
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WO/2008/032473A1 |
A method for setting arrangement of spray nozzles in which uniform cooling is possible in the direction intersecting the threading direction perpendicularly with regard to a cooling system of a hot steel plate applied in order to obtain ...
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WO/2008/023410A1 |
This invention provides an austenite-base stainless steel pipe, for a boiler, having excellent high-temperature steam oxidation resistance, which austenite-base stainless steel pipe is used in a superheater and a reheater in a heat power...
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WO/2008/020549A1 |
A method of cooling a steel sheet, in which improved uniform cooling in the direction of steel sheet conveyance can be attained. The method is characterized by the following. In anterior section (4a) of cooling unit, during the passage o...
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WO/2008/013318A1 |
A cooler and a cooling method in which a steel band can be cooled uniformly from the tip to the tail end by achieving a high cooling capacity and a stabilized cooling region appropriately when a hot rolled steel band is cooled with cooli...
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WO/2008/003124A1 |
A roll support apparatus suitable for use in a roll coating machine is described. The roll support apparatus includes a roll support frame for rotatably supporting a roll coating head roll associated with the roll support frame, the roll...
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WO/2007/147489A1 |
The invention relates to a method for analyzing a layer of a metal working compound (50) on the surface of a product to be shaped (40), especially of a metal strip, before and/or after a shaping process, especially a rolling process, for...
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WO/2007/131584A1 |
The invention relates to a method and a strand-guiding device for guiding and regulating the temperature of a strand, in particular of steel, in sizes which have at least one edge (2, 3). In this case, the at least one edge (2, 3) is hea...
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WO/2007/114413A1 |
Disclosed is a high-strength seamless steel pipe for use in a mechanical structure, which has the following chemical composition (by mass): C: not less than 0.03 and less than 0.1%; Mn: 0.8 to 2.5%; Ti: 0.005 to 0.035%; Nb: 0.003 to 0.04...
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WO/2007/099676A1 |
A cooling apparatus for hot rolled steel band that in the cooling of hot rolled steel band with cooling water, is capable of cooling the steel band uniformly from the front end to the tail end thereof; and a relevant method of cooling. C...
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WO/2007/095695A1 |
A thin cast strip is formed having at least one microstructure selected from the group consisting of polygonal ferrite, acicular ferrite, Widmanstatten, bainite and martinsite, a surface roughness of less than 1.5 microns Ra and a scale ...
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WO2006133024B1 |
A cleaner assembly for cleaning a roller (12) comprising a tape unwinder and winder (272a, 272b) for holding and dispensing adhesive tape (242) which may be a continuous strip or may comprise discrete sheets of adhesive tape wound on top...
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WO/2007/087886A1 |
Disclosed are a method and a casting/rolling plant for producing hot-rolled metallic, particularly steel, strips (7) having great surface quality from slabs or flat thin bars (2, 2a) that are cast in a continuous casting process, descali...
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