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Patent Searching and Data


Matches 351 - 400 out of 8,447

Document Document Title
WO/2008/101551A1
The invention relates to a component (1, 1', 1'', 30) comprising a base body on which a surface layer (25) is applied to prevent wear and tear. The wear and tear condition of the component can be easily established in order to reduce wea...  
WO/2008/101550A1
The invention relates to a cylinder and/or a roller and to a method for producing and/or for the maintenance of a cylinder and/or roller. A metal layer (8, 9, 10) is applied, at least in parts, to the outer surface (2) of the cylinder (1...  
WO/2008/096784A1
Disclosed is a hot rolling oil which enables to reduce a rolling cost by effectively decreasing a rolling load when a steel member is heated and rolled within a temperature range of 200-1200˚C. Also disclosed is a method for hot rolling...  
WO/2008/096864A1
It is possible to manufacture a pipe while substantially eliminating polygonization by performing reduction using a pass roll which has a groove bottom portion containing the center in the roll axis direction and a flange portion adjacen...  
WO/2008/084630A1
Provided is a rolling stand (100) comprising hole-type rolls for rolling a tubular or bar-shaped object. Three hole-type rolls (R21 - R23) are arranged such that the angles for the individual rolls to press are 120 degrees. The rolling s...  
WO/2008/067886A1
The invention relates to a drive roller (1), in particular for edge trimmers, in particular for use in the production of metal sheets and in particular in the area of plate or hot strip production, comprising a hub part (2), which is pro...  
WO/2008/065893A1
A rolling apparatus and method of controlling the shape of rolled sheet that even in extremely thin sheet rolling, can attain excellent shape control. The rolling apparatus comprises a rolling unit for performing rolling between vertical...  
WO/2008/061635A1
The invention relates to a casting roll (1) for the casting of metal strip in the casting gap between two casting rolls with variable separation which are parallel and which can be cooled. The casting roll comprises a roll axle (3) with ...  
WO/2008/061452A1
A high Cr casting iron or steel roller is applicable to a mill for rolling welded pipe. The composition of the high Cr casting iron roller contains (by wt%): 1.8-2.8% C, ≤1.0% Si, ≤1.0% Mn, ≤0.05% P, ≤0.05% S, 12-22% Cr, 0.5-3.0%...  
WO/2008/056540A1
Intended is to provide a mandrel mill capable of manufacturing a seamless pipe having no flaw such as a necking flaw. The mandrel mill has a plurality of hole type roll stands installed consecutively, and a mandrel bar (3) is arranged in...  
WO/2008/046469A1
The invention relates to a rolling stand (1) with supporting and/or working rolls (2, 3, 4, 5) for rolling metal sheets (6) or strips, comprising at least one rest bar (8), arranged between the working roll chocks (7) and preferably assi...  
WO/2008/020510A1
A high quality hollow material pipe is produced surely by controlling the number of times of rotary forging and shear deformation in an unsteady region during biting, preventing occurrence of flaw on the inner surface resulting from rota...  
WO/2007/149723A2
Mastering tools and systems and methods for forming a plurality of cells on the mastering tools are provided. In particular, the systems vary the geometry of the cells or the placement of the cells, or both, for forming a textured surfac...  
WO/2007/148864A1
The present invention relates to a rolling mill and a roll thereof, and more particularly to a roll coupled to a separately manufactured axle and rotating together with the axle in order to perform a rolling process. The roll according t...  
WO/2007/149765A2
Mastering tools (24) and systems and methods for forming a cell on the mastering tools are provided. An exemplary method includes emitting a first laser light pulse (130) from a laser for a first predetermined time interval such that at ...  
WO/2007/129650A1
[PROBLEMS] To provide a rolling roll, a rolling mill and a rolling method in which the board crown of a rolled material can be corrected effectively while edge drop can be reduced, and damage to the roll due to local line pressure rise b...  
WO/2007/111258A1
The quantity of S contained in designing steel component is reduced, a stretch reducer makes a rolling roll to have a hole type profile closer to a true circle in sizing rolling, and a pipe is made to have an appropriate profile ratio (r...  
WO/2007/105774A1
A lubricant for hot plastic working which is excellent in lubricity, suitability for feeding, and workability and exerts no adverse influence on the corrosion resistance of a product. The lubricant for hot plastic working has a compositi...  
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 ...  
WO/2007/077637A1
A centrifugally cast composite roll comprising an outer layer of composition containing, by mass, 2.5 to 9% C, 0.1 to 3.5% Si, 0.1 to 3.5% Mn and 11 to 40% V together with the balance of Fe and unavoidable impurities; an intermediate lay...  
WO/2007/071493A1
In order to increase the endurance and lifetime of highly loaded components (6, 8, 12, 14, 24, 26, 34) of a steelworks, an electrolytically applied coating (38) is provided, comprising a ductile metallic base material (39 ), in particula...  
WO/2007/061412A1
A method is provided for the continuous casting, cutting, and continued heat treatment of steel slabs, particularly those having cracking-prone alloy formulations, without requiring the use of water spray quench cooling equipment.  
WO/2007/055503A1
A lubricant supply apparatus for endless hot rolling equipment includes a width-detecting sensor (WS) for detecting widths of steel sheets continuously supplied toward a roller (R), a Controller (C) connected to the width-detecting senso...  
WO/2007/045358A1
The invention relates to the design of multiple piece rolls, in particular backup rolls, for the use in metal rolling. The roll comprises a main part (1) with a centre bore (4) for the removal of centre defects or flaws arising from the ...  
WO/2007/006467A1
Disclosed is a support roll (1) for a rolling mill, such as a plate rolling mill, flat rolling mill, or similar, comprising a jacket (2) and a roll shaft (3) which is embodied in several parts. The invention also relates to a method for ...  
WO/2006/134234A2
In the method, the shape of the shell (12) is measured and the outer surface (12a) of the shell (12) is ground based on measurements of the shape of the shell (12). The measurement of the shape of the shell (12) comprises measuring the s...  
WO/2006/126678A1
A roll for rolling seamless pipes which has a roll neck and a roll body, wherein the surface layer of the roll body comprises by mass: C: 1.5 to 2.5%, Si: 1.3 to 3.5%, Mn: 0.1 to 2.0%, Ni: 0.5 to 8.0%, Cr: 0.1 to 2.0%, Mo: 0.2 to 5.0%, V...  
WO/2006/123072A2
The invention relates to a method of producing a strip of nanocrystalline material which is obtained from a wound ribbon that is cast in an amorphous state, having atomic composition [Fe1-a-bCoaNib]100-x-y-z-α-β-γCuxSiyBzNbαM'βM γ,...  
WO/2006/109380A1
A rolling mill and a rolling method capable of performing uniform wiping in a plate width direction by uniformizing a pressing force against a rolled material in the plate width direction to prevent it from being deformed. The rolled mat...  
WO/2006/106637A1
A seizing inhibitor for the hot plastic working of steels which comprises an inorganic ingredient as a first ingredient, sodium hydroxide as a second ingredient, a water-soluble resin and/or water-soluble surfactant as a third ingredient...  
WO/2006/104146A1
A drawing rolling method by a mandrel mill by which overfill and underfill can be prevented through combination of one kind of grooved rolling rolls. Outside diameter of a hollow shell is set such that the ratio (outer circumferential le...  
WO/2006/099817A1
A roll profile for work rolls is provided for both shape control and free ruled rolling. Each of the work rolls is a roll having one tapered end. Providing starting point of the tapered end of the rolls being origin of coordinates, the c...  
WO/2006/076771A1
A hot rolling mill (15) and method for operating the hot rolling mill where the shape of a rolled strip (12) is controlled by localized cooling devices (71A, 72A, 71B, 72B) positioned at intervals along work rolls in at least three later...  
WO/2006/074875A1
The invention is based on a known method for the cold rolling of metallic rolled stock (4) , which for plastic deformation enters a roll gap (3) formed between oppositely rotating rolls (1, 2) on a run-in side and leaves the roll gap on ...  
WO/2006/058424A1
A cold rolling process for impressing a pattern on a surface of a sheet metal article involves passing the sheet article through a pair of rolls and engaging a patterning feature with isolated areas of a surface of the sheet article, at ...  
WO/2006/058258A1
A plasma apparatus is provided including a cathode module, an anode module, and at least one inter-electrode insert located between the cathode module and the anode module. The cathode module includes at least one cathode, and a pilot mo...  
WO/2006/054781A1
A method for supplying lubricant in cold rolling by emulsion lubrication, wherein an oil film thickness being realized by emulsion lubrication under specific rolling lubrication conditions is estimated from constants (supply efficiency) ...  
WO/2006/054780A1
A method for supplying a lubricating oil in cold rolling, which comprises steps of storing two or more types of lubricating oils, for example, oils A and B having different compositions in separate tanks, selecting one of lubricating oil...  
WO/2006/053996A1
The invention concerns a method for feeding lubricant during a hot rolling process, which consists in feeding the surfaces of the working rolls with a lubricating emulsion. The invention is characterized in that said lubrication emulsion...  
WO/2006/054777A1
A method of lubricant supply in cold rolling that while carrying out stable rolling free from the occurrence of heat scratch and slip, realizes high productivity and improvement to lubricating oil unit consumption. There is provided a me...  
WO/2006/030795A1
An external layer for a rolling roll having a structure containing 20 to 60 area % of an MC carbide dispersed therein is produced by a method comprising subjecting a molten metal having a chemical composition, in mass %, C: 2.2 to 6.0 %,...  
WO/2006/024211A1
The invention provides a design method for a roller profile in which high-order shape wave may be independently, continuously adjusted according to the roller to be designed. The design method according to the invention comprises steps a...  
WO/2005/123288A1
The aim of the invention is to produce a thin metal sheet or a metallic foil by means of milling. Said aim is achieved by milling the rolling stock (17), which is heated to a predefined temperature in the deformation zone, with the aid o...  
WO/2005/120739A1
The invention relates to a method and a rolling stand for cold rolling of metallic rolling stock (1), in particular rolling strip (1b), with nozzles for gaseous or liquid treatment media, whereby the rolling stock (1) is introduced below...  
WO/2005/118172A1
A method and device for mounting and functional verification of roll fittings (4) in roll stands (1), wherein at least one partial number of roll fittings (4) respectively forms a modular unit (5) and savings are made with respect to ver...  
WO/2005/115651A1
The inventive method for cooling and/or lubricating cylinders (1, 2) and/or rolling stock (3) consists in supplying a cooling medium to the cylinders (1, 2) and a base oil for lubricating the rolling stock from several nozzles or nozzle ...  
WO/2005/095108A2
The invention relates to a method for the production of surface and depth variable embossing tools, wherein a rolling blank provided is in several steps with an etch-resistant coating and is the coating is partially removed physically wi...  
WO/2005/092531A1
A tube manufacturing method, comprising a step for rolling a tube at a fixed diameter by using an apparatus for fixed diameter rolling formed of a plurality of stands having a plurality of hole type rolling rolls. The method is character...  
WO/2005/093271A1
A compliant pressure roller (10) for creating uniform pressure at a nip (42) has a stationary inner core (12). A plurality of shoes (14) is pivotally mounted to the stationary inner core. Non-magnetic dividers (16) create a plurality of ...  
WO/2005/070574A1
A tube reducing apparatus, comprising a plurality of stands disposed along a rolling axis, wherein a tube is passed through the plurality of stands along the rolling axis for reducing. Each of the stands comprises rolls of (n) in quantit...  

Matches 351 - 400 out of 8,447