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Patent Searching and Data


Matches 551 - 600 out of 12,539

Document Document Title
WO/2009/128282A1
Provided is an immersion nozzle for continuous casting, in which the neck part of a cylindrical refractory object can be prevented from being damaged due to a pressing force or a stress by forming a metal case provided for the cylindrica...  
WO/2009/127333A1
The invention relates to a sliding closure (1) for a receptacle containing molten metal, comprising a housing frame (3) that can be fastened to a spout of the receptacle, a refractory base plate (5) and a sliding unit (7) having a refrac...  
WO/2009/119464A1
The present invention provides a method to control automatic pouring equipment that can pour molten metal in a desired sequence, and it also provides the system therefor. The method to control the automatic pouring equipment comprises po...  
WO/2009/119683A1
Provided is a plate brick which has a long service life and which when used does not generate much smoke or gas having an irritating odor. The plate brick is made by adding an organic binder to a fire-retardant compound of raw materials ...  
WO/2009/119824A1
Provided is a method of controlling a sliding nozzle device, which enables to extend the life of a plate (13) and to reduce the degree of the wear and the stroke length of the plate (13) by automatically optimizing the sliding state of t...  
WO/2009/119301A1
Provided is an immersion nozzle (10) for continuous casting, in which the drift of flow of a molten steel discharged from a discharge hole (14) is suppressed and the variation of molten metal surface is reduced, and which can be easily m...  
WO/2009/116425A1
Disclosed is a vessel for a molten metal comprising a vessel body formed of an alumina-silica material and a protective layer that is provided on the inner surface of the vessel body and is formed of a silicon nitride-alumina material. T...  
WO/2009/113744A2
Provided is an improvement to the erosion and thermal shock resistance of zirconia/carbon-containing refractory material in the high zirconia range where the zirconia content exceeds some 80 mass%. A zirconia/carbon-containing refractor...  
WO/2009/113662A1
Disclosed is an upper nozzle provided with a bore that is shaped to create a smooth (uniform) molten steel flow with minimal energy loss, thereby making it possible to minimize the formation of deposits. This is achieved by: setting the ...  
WO/2009/092360A1
The invention relates to a strip casting device and a feeding device (1) for a molten metal, having a tipping crucible (2) receiving the molten metal and comprising an outlet opening. A floor surface (5) is formed opposite the outlet ope...  
WO/2009/090891A1
Disclosed is a dip nozzle supporting-replacing mechanism, which regulates the positions of individual clampers by making the individual full-width sizes of the clampers smaller than the flange diameter size of a dip nozzle and which smoo...  
WO/2009/087884A1
Disclosed are a dipped nozzle supporting-replacing mechanism and a lower-nozzle/dipped-nozzle sealing method, for relaxing a bending stress to be applied to a lower nozzle, by joining the ring-shaped taper portion of the lower nozzle to ...  
WO/2009/084654A1
Provided are a tundish nozzle exchanging device, which can make the inter-hole distance of tundish nozzles arrayed in the bottom portion of a tundish, shorter than that of the prior art, and a tundish nozzle for use in the exchanging dev...  
WO/2009/080257A1
The invention relates to a device for the interchangeable connection of a casting tube (14) to a spout of a melt vessel (1) with a sliding closure (3) fastened on a melt vessel, said closure being formed by at least one stationary closur...  
WO/2009/078433A1
A molten metal pouring nozzle which can continuously cast high-quality ingots for a long time period without reacting with the molten metal. The molten metal pouring nozzle (20) is placed between a molten metal receiving section (10) and...  
WO/2009/076546A1
An improved vortex inhibitor 20 for separating slag from molten metal during the discharge of molten metal through a nozzle 14 includes a generally uniform castable refractory body 22 having a generally hemispherical or hemi-ellipsoid sh...  
WO/2009/072217A1
An immersion nozzle that attains an enhancement of durability; and a method of continuous casting including the step of preheating the immersion nozzle. The immersion nozzle is one for use in a method of continuous casting for molten met...  
WO/2009/066058A1
A metallurgical treatment vessel comprises a multi-use, isostatically pressed, or vibrocast one-piece refractory vessel (1), comprising refractory sidewalls (2) and an integral refractory base (3), the vessel (1) being adapted, in use, t...  
WO/2009/066052A1
A stopper rod comprises an elongate body having an inlet at an upper first end and an outlet at a lower second end. The second end of the body defining a nose for insertion into a tundish outlet. A continuous axial bore extends through t...  
WO/2009/059756A1
The invention relates to a release agent for the production of a permanent, firmly adhering separating layer on a substrate, comprising a suspension of solid particles, wherein the solid particles comprise 67-95 wt.-% silicon nitride and...  
WO/2009/049118A1
A semi-liquid metal processing and sensing de\ice comprising a crucible that is at least partially encircled by at least one induction coil. The one or more induction coils can be water cooled. The one or more induction coils can be desi...  
WO/2009/047936A1
A nozzle for continuous casting in which durability is enhanced by arranging a refractory layer of high performance, e.g. high corrosion resistance or high adhesion preventive properties, on the inner hole side. A method for manufacturin...  
WO/2009/033633A1
The invention relates to a refractory ceramic well block/well nozzle. A well block/well nozzle of this type is used, for example, for bordering (framing) a gas purging block or a nozzle block in the wall or bottom region of metallurgical...  
WO/2009/016442A1
The invention relates to the iron and steel industry, more specifically, to continuous slab casting using a submerged nozzle. The inventive submerged nozzle comprises a bottom, lateral channels and a skirt which is secured to the lower p...  
WO/2009/013014A1
The invention relates to an impact absorber of refractory material for metallurgical applications, comprising a planar base plate (1) and a wall (2) aligned perpendicularly in relation to the base plate (1), which together enclose an int...  
WO/2009/012994A1
An insert of a refractory material for a tundish, with a surface that comes into contact with a metal melt during operation, is improved for cleaning the melt of nonmetallic impurities, because the surface is provided with elevations and...  
WO/2009/010153A1
The invention relates to a sliding closure for a vessel containing molten metal, having a slider unit (11) guided in a slider housing (10), said slider unit having a push rod (14) that can be connected to the drive rod (16) of a linear d...  
WO/2009/007911A2
This invention relates to a separating apparatus and a separation method for quantitative separation of molten collector material and a molten slag during a process of assaying mineral ore samples to determine the concentration of select...  
WO/2008/155914A1
Provided is a twin-roll casting machine capable of suppressing the irregularities of the thickness distribution of a strip in the widthwise direction. The twin-roll casting machine is constituted to comprise cooling rolls (1a and 1b), si...  
WO/2008/136295A1
[PROBLEMS] To provide a pouring method for dropping metal molten flowing out from a ladle accurately into the gate in a mold. [MEANS FOR SOLVING PROBLEMS] In a method for controlling input voltages applied to a servo motor for tilting a ...  
WO/2008/136202A1
A tilting automatic pouring method for pouring molten into a mold at high speed with high precision by tilting a ladle holding the molten, and a storage medium storing a program for making the pouring method function. Using the relation ...  
WO/2008/136227A1
An automatic pouring control method by tilting a ladle in which the pouring work by an expert worker can be approached as much as possible by a computer preset with a program. In a method for controlling a servo motor to pour molten into...  
WO/2008/119415A1
The invention relates to a burner arrangement (1) in particular for heating, drying or keeping warm, in particular a distributor (5) of a continuous casting unit and consisting of a flat arrangement of at least one burner (2). The burner...  
WO/2008/119419A1
The invention relates to a burner arrangement (1) in particular for heating or keeping warm, in particular casting stream protection devices and/or immersion casting devices of a continuous casting plant, comprising a reservoir (5) that ...  
WO/2008/111508A1
Provided are a sliding nozzle device and a plate used for the sliding nozzle device. In the sliding nozzle device, a plate is pressed and fixed by uniform force to suppress an occurrence of cracks around a nozzle hole, which improves dur...  
WO/2008/099556A1
An automatic pouring method without using a servomotor having a vertical output shaft, establishing the pouring at a low level, eliminating the unstable pouring, sand inclusion, and gaseous defects. An automatic pouring method using a la...  
WO/2008/096762A1
Provided is a stopper structure capable of preventing a stem from being loose during use and a gas leakage in case the gas flows. The stem (1) to be mounted in a mounting hole (2a) of a refractory stopper (2) has its leading end portion ...  
WO/2008/093042A1
The invention relates to a mixing chamber (10) for use in a metal transfer vessel (for example, a tundish used in steel manufacture or a holding furnace used in aluminium manufacture). The mixing chamber comprises a base with a first ser...  
WO/2008/090146A1
A submerged entry nozzle adapted to ensure a stable and balanced flow of molten steel in an ingot mould thus allowing to obtain a higher quality casting product.  
WO/2008/086580A1
A method of and apparatus for casting metal strip. The method involves assembling a pair of casting rolls laterally disposed to form a nip between them, assembling an elongated metal delivery nozzle extending along and above the nip betw...  
WO/2008/074466A1
The invention relates to a method of filling a buffer reservoir (20) of a continuous casting machine from a ladle (1) in which a liquid metal (6) is cast from the ladle (1) through a casting pipe (7) in the buffer reservoir (20), wherein...  
WO/2008/070935A1
The invention relates to a continuous casting equipment for a flow of liquid steel from a tundish (2) into an ingot mould (1) through a hollow jet nozzle or HJN nozzle, comprising a deflector or dome (6) for diverting the incoming metal ...  
WO/2008/071327A1
A sliding closure for a metallurgical vessel comprises an elongated refractory slide plate (2), which is exchangeably arranged in a metal frame (1) and the longitudinal direction (L) of which corresponds to the direction of displacement ...  
WO/2008/065743A1
Provided is a safety device, which can introduce a gas from the outside of a container but has no flow of molten aluminum to the outside from that gas introducing portion, in which the container inside is sealed to have no splashing dang...  
WO2007079482B1
Disclosed is a metal casting system, an engineered mold for use therewith, a process for utilizing the system and mold, and articles having a clean, oxide-free sand casting of molten metals that have been produced under an inert environm...  
WO/2008/055662A1
A device for a container for molten metal, particularly nonferrous molten metal, is equipped with at least one locking unit for closing and opening a pouring canal (4), wherein the locking unit can be mounted on at least one outlet (2) o...  
WO/2008/049279A1
A slide gate for a molten-steel vessel and assembling method thereof are provided according to the invention. The slide gate for a molten-steel vessel includes a mounting plate for fitting a base. The top end of the base is connected to ...  
WO/2008/049278A1
A slide gate for a molten-steel vessel is provided according to the invention. The slide gate includes a mounting plate fixed on the molten-steel vessel. On the mounting plate is provided a holder on which an elastic means is mounted. A ...  
WO/2008/025562A1
The invention relates to an arrangement for the maintenance of a sliding closure (20) mounted on the spout of a container (10) for molten metal. Said arrangement comprises at least one tool magazine (65, 66), having at least one replacem...  
WO/2008/006438A1
The invention relates to a pouring nozzle. Such pouring nozzle may be used for the transfer of a metal melt from one (upper) metallurgical vessel to a second (lower) metallurgical vessel, for example for the transfer of a steel melt from...  

Matches 551 - 600 out of 12,539