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WO/1992/002323 |
A structure for ensuring air interception for molten steel in a fire-resistant structure such as a sliding nozzle device having a molten steel outpouring port, in which, in a fire-resistant structure having a fire-resistant material prov...
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WO/1992/002472 |
A method for manufacturing a rigid refractory insulating material for contact with a molten ferrous metal. A refractory ceramic base material is impregnated with a solution of a zirconium salt, and the impregnated ceramic material is dri...
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WO/1992/000821 |
A device (1) for inserting and replacing an insertable pouring tube (2) having a movable plate (3) and sliding on guide rails (9) which transmit thrust upwards comprises a tilting member (20) which engages a lever (26) to impart a tiltin...
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WO/1992/000822 |
A device (1) for inserting and replacing an insertable pouring tube (2) having a movable plate (3) and sliding on guide rails (9), which transmit thrust upwards, comprises a tilting member (20) which engages a lever (26) to impart a tilt...
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WO/1992/000157 |
According to the method, a core (9) is inserted into the metallurgical container (1) to be protected, and a material consisting of inorganic particles which can withstand at the prevailing temperature during decantation of the liquid met...
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WO/1991/019581 |
A method of providing a cantilever spring or a beam which is attached to the frame of a sliding gate valve is disclosed. The apparatus comprises a cantilever spring which is essentially flat and rectangular. A spring mount is provided to...
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WO/1991/017851 |
A device for replacing immersed nozzles used for molten metal casting from a molten metal container, wherein replacing operation of the immersed nozzles can be very easily and quickly performed with respect to a tundish or the like, and ...
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WO/1991/017969 |
A refractory composition, particularly for application as a dry vibratable refractory for forming the wearable, disposable monolithic lining coating the permanent lining of a tundish or a ladle used in molten metal casting processes is d...
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WO/1991/017402 |
The invention concerns a method for lining the side wall in a melting furnace for melting of mineral fibre raw materials. The side wall carries a lining layer (4) of a rammed refractory material, whereby the lining layer (4) is applied b...
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WO/1991/017008 |
This invention is characterized by providing a plurality of steps for the molten steel flowing hole of the immersion nozzle for continuous casting, in which inner diameters d�1?, d�2?, and d�3? of said molten steel flowing hole at ...
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WO/1991/016460 |
The invention concerns a metallurgical vessel, in particular a vessel for use in the manufacturing of steel, with walls (4) having a refractory lining (3) with a basic main layer (7). In order to give a long-lasting lining, the invention...
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WO/1991/016459 |
The invention concerns a metallurgical vessel, in particular a transfer ladle or treatment vessel, with a floor (2b) having a refractory lining (3) with a basic main layer (5). In order to give a long-lasting lining, the invention calls ...
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WO/1991/015320 |
The invention provides a method of controlling the flow of molten metal from a holding vessel such as a tundish through a discharge orifice into a receptacle such as a mould; the method comprising (i) providing within the holding vessel ...
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WO/1991/013713 |
A three-plate system in sliding gate valves (10) in which the stationary plate (15) is essentially rectangular with one corner having a different configuration than the other three, and therefore keying into the correct insertion positio...
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WO/1991/013178 |
The present invention provides a method and apparatus (30) for in-line heating of molten metals for supplying continuous casting devices, particularly for use in the continuous casting of non-ferrous metals.
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WO/1991/012103 |
A process for renewing the refractory lining of steel-casting foundry ladles and similar metallurgical vessels is disclosed. While the ladle (10) is still hot, the slag (S) still adhering to the inner surface (26) is melted off the remai...
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WO/1991/010525 |
Flow of molten steel from a tundish to a continuous casting mould is controlled by a sliding gate valve (10). The gate valve comprises a stationary refractory member (14) having a metal pouring orifice (18) and a slidable refractory memb...
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WO/1991/003339 |
A sealing device (22) is mounted so as to slide against the underside of the fixed plate (21), to allow the liquid metal contained in the container to flow out, or to block the casting passage. A fixed reference plate (23) is mounted aga...
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WO/1991/002611 |
Closing device including a fixed plate through which a taphole is cut and a mobile plate through which at least one taphole is cut, said mobile plate being mounted such that it slides in relation to the fixed plate by presenting a rubbin...
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WO/1991/000788 |
The device has a conventional starting pipe at the inlet of the discharge orifice (5) of a distributor vessel and a separate starting body which is loosely associated with the starting pipe and which floats when the melt (6) reaches a de...
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WO/1990/015161 |
A device for removing worn nozzle bricks or nozzle linings from the tap holes of metallurgical vessels comprises a spreading device (20), which can be introduced into the nozzle brick or tap hole, and a drive for extracting the nozzle br...
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WO/1990/014908 |
This invention relates to a gas blowing plate brick or nozzle brick for a molten metal ejector, characterized in that the plate brick or nozzle brick is divided into at least two segments in the horizontal direction with a plurality of s...
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WO/1990/014907 |
This invention relates to an apparatus for controlling a flow rate of a molten metal, capable of being set at a bottom or side portion of a molten metal container and consisting of a rotary nozzle of various shapes, a nozzle receiving br...
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WO/1990/014909 |
The method for lining the inner surfaces (2) of a metallurgical container (1) for receiving liquid metal, comprises the following steps: a) at least one movable wall (3) is placed at a certain distance from the inner surface (2) of said ...
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WO/1990/014183 |
An apparatus is described for use in the continuous casting of metal. The apparatus comprises a crucible for molten metal (40) and a die device (2, 4) for cooling and forming the metal into ingots or castings. A valve means (12) comprise...
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WO/1990/013382 |
A ladle arrangement intended for use when treating a metal melt, in which gas or gas/powder mixture is delivered to the melt (2) which substantially fills the ladle (1), and departing gases are extracted by suction through a hood mounted...
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WO/1990/013379 |
An immersion nozzle (10) for continuous metal casting having an elongated nozzle body (12) formed from a porous, gas permeable refractory material. The nozzle body has a conduit (18) extending longitudinally therethrough and an inner sur...
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WO/1990/013381 |
An induction melting and casting furnace (10) is described which includes casting stations (14, 16, 18) disposed around the melt chamber (12) of the furnace (10), each casting station (14, 16, 18) having a tundish (28, 32) for selectivel...
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WO/1990/012666 |
A metallurgical vessel (1) to be lined, whose internal walls are relatively hot, is placed on a suitable support. The support is tilted and the metallurgical vessel (1) brought successively into several different positions in each of whi...
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WO/1990/012731 |
In order to transport heavy-load railway wagons, in particular mixer-type hot-metal wagons (2), on inland-waterway vessels (1), it is proposed that the vessels be fitted with a railway track (3) running from bow to stern above the loaded...
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WO/1990/012667 |
Teeming control apparatus (10) comprises an outlet duct (15) installable e.g. in a tundish (11) and providing at least one exit opening (24). Movable in the duct is a valve member (16) having an enlargement (20) at one end cooperable wit...
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WO/1990/011854 |
In a sliding closure (20) in the outlet of a vessel (22), especially one containing molten metal, closure components (23, 24) are fitted with flow apertures (32, 33) which project inside the vessel and each have there two mutually parall...
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WO/1990/011853 |
A composition containing an alkaline-earth metal carbonate together with a certain concentration of refractory grain material is applied to the inner wall of a metallurgical container. Said coating is then heated so as to eliminate the C...
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WO/1990/011153 |
The machine comprises means (1) for receiving the mixture of products constituting the coating, means (6) for directing the mixture towards the lower part of the machine, means forming a handling chamber (8) for distributing the mixture ...
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WO/1990/010516 |
This invention provides improved casting processes, equipment, and products. The invention is especially advantageous for die casting, particularly vacuum die casting. The equipment includes a horizontal die casting machine, fixed clampi...
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WO/1990/009970 |
A process for coating a tundish for continuous metal casting, in particular, for steel casting, according to which the refractory wear-resistant coating layer is applied in an aqueous form, characterized in that said wear-resistant refra...
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WO/1990/008611 |
A rotor stem forming part of a rotary valve assembly for use with apparatus for handling of molten material, especially metal, comprises a longitudinal body (21), formed from refractory materials by an isostatic pressing method, having o...
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WO/1990/008842 |
A transport and drainage channel (14) is installed in at least one metal notch (11) of a metallurgical furnace (10). A transfer station (17, 18, 19) comprises a swivelling or tilting channel (28, 29, 30). The molten metal flows from the ...
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WO/1990/008002 |
The device for introducing liquid metal into the mould (1) of a casting plant subjected to continous pressure comprises a vat (2) provided with a cover (7) carrying a casting tube (3), whereby said vat rests on a base (4), and comprises ...
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WO/1990/005198 |
A metallurgical ladle (10) including a steel shell (22) and refractory brick lining (14) includes a refractory brick retaining ring (52) formed in segments (50) from a ceramic material, with the segments (50) being releasably secured to ...
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WO/1990/003339 |
The invention relates to a composite material for a molten metal transfer vessel. It is comprised of a refractory material and of an armature selected in the group including mineral refractory yarns and metal wires. Application to foundry.
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WO/1990/002822 |
A refractory liner composition which consists essentially of carbon and a composite selected from (a) zirconia and O'-sialon, and (b) zirconia and silicon oxynitride. The liner composition (9) may be used in a submerged entry nozzle (2) ...
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WO/1990/002610 |
In a process for intermittently spraying a setting pasty composition mixed with a tempering liquid, in particular for building up fireproof linings of metallurgical vessels, the composition is conveyed from a preparing station (6) at whi...
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WO/1990/000102 |
Said material is made of a calciferous composition capable of liberating calcium oxide at a temperature at least equal to 1400�C, its calcium content, expressed as calcium oxide, is comprised between about 10 and about 60, and preferab...
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WO/1989/012520 |
Metal teeming apparatus comprises a molten metal supply vessel or ladle (10) a receiving vessel or tundish (18) and a submerged pouring tube (16) fitted to an outlet (14) of a gate valve (12). The pouring tube (16) has a venting duct (25...
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WO/1989/012516 |
A continuous casting mould (4) for casting thin slabs has, at its inlet end, a mould cavity which has generally rectangular side regions (7) joined by a central pouring region (8). At least part of the walls of the pouring region are of ...
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WO/1989/012519 |
A refractory feed tube (6) for introducing molten metal into a continuous casting mould (9) where the outlet end of the feed tube is extended in a direction normal to the length of the tube. The outlet of the tube comprises two openings ...
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WO/1989/011366 |
An apparatus for unplugging a vessel discharge port (17) in a refractory lined ladle or tundish (15) used in the casting of molten steel. The unplugging apparatus (1) is placed directly below the plugged discharge port within an axial bo...
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WO/1989/011362 |
An injector for a high speed thin continuous casting machine includes linear motors (3A, 3B) disposed across longer sides of a flat nozzle (3), a power source device for providing a current having a predetermined frequency to the linear ...
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WO/1989/011365 |
Apparatus is provided for removing or disrupting a blockage from the pour opening (11) of a molten metal containment vessel (10). The vessel has an elongated conduit (20, 21) extending from the pour opening outwardly of the vessel for pa...
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