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| Number | Title | Issue Date |
| 7407068 | Compliant fill tube assembly, fill tube therefor and method of use A fill tube assembly is for a casting mold. The fill tube assembly includes a fill tube having a tubular member with a receiving end, a mold-engaging end and an intermediate portion. The mold-engaging end has a tapered flange radially extending therefrom, the remain... | 08/05/2008 |
| 7316338 | Device for discharging molten metal from a container An discharging device for molten metal between an upper ladle (1) and a tundish (3) comprising a slide valve nozzle fixed to the base of the ladle, comprising an upper fixed nozzle (42) and a mobile one below (43), inserted into an openin... | 01/08/2008 |
| 7316337 | Device for discharging molten metal from a container A device for discharging molten metal from a container to another, comprising an outlet sleeve which penetrates into the lower container pushed by springs against a nozzle of refractory material which connects the inside of the upper container with the outside, so a... | 01/08/2008 |
| 7275584 | Immersion nozzle for continuous casting of steel and continuous steel casting method using same A nozzle for continuous casting of clean steel is capable of preventing adhesion of Al2O3-based inclusions to a wall surface of the inner hole of the nozzle while fully achieving an effect of a swirl vane. The swirl vane prevents drift in molte... | 10/02/2007 |
| 7108046 | Immersion nozzle exchanging apparatus and immersion nozzle and closing fire plate used for same In an immersion nozzle exchanging apparatus for supporting an immersion nozzle at a flange underside thereof by a plurality of key plates parallel provided on both sides to horizontally pushing out and exchange an immersion nozzle much used with a new immersion nozz... | 09/19/2006 |
| 6907915 | Method and installation for producing a metal strip The invention relates to a method and to an installation for producing a metal strip. The aim of the invention is to make sure that the metal strip formed in the casting installation passes through the first cooling and grain texturing phase substantially without be... | 06/21/2005 |
| 6591895 | Molten metal pouring with retractable shield for pour control Apparatus for pouring of molten metal from a vessel onto the gating system of a mold includes a shield assembly that diverts any abnormal flow of molten metal occurring between normal flow of molten metal onto the gating system when molds are indexed for ... | 07/15/2003 |
| 6533147 | Pouring tube The present invention concerns a pouring tube of refractory material comprised of a tubular element and equipped at its upper end with a plane plate, the side faces and lower face of the said plate and the upper end of the tubular part being protected by ... | 03/18/2003 |
| 6321953 | Composite immersion nozzle The present invention provides a composite immersion nozzle, by which it is possible to reduce thermal stress on the nozzle and to prevent occurrence of cracks, whereby there is no restriction on properties of the materials such as thermal expansion coeff... | 11/27/2001 |
| 6227421 | Tundish equipped with a tube changer and plate for the tube changer The invention concerns a tundish for continuous casting in a steel mill, equipped with at least one tube changer (18). The changer has a frame (20) mounted under the tundish (2), at least one fixed plate (8) and a tube (28), having a plate (30) at its upp... | 05/08/2001 |
| 6220335 | Casting metal strip Twin roll casting method and apparatus in which molten metal is introduced between a pair of chilled rolls (16) via an elongate delivery nozzle (19) to form a casting pool (68) above the nip (69) between the rolls (16). Rolls (16) are rotated to cast a so... | 04/24/2001 |
| 6213357 | Nozzle exchanger The invention concerns a valve assembly, an admission path for a pouring nozzle adjacent to the outlet of the valve, and spring thrusters for maintaining this nozzle in operating position on the admission path and for receiving another nozzle in ready pos... | 04/10/2001 |
| 6125917 | Strip casting apparatus Metal delivery nozzle 19 for a twin roll caster is formed in two pieces 19A disposed end to end with a gap 50 between them. Each nozzle piece 19A is mounted on two pairs of mounting brackets 60. Outer end parts of the nozzle pieces 19A are constrained by ... | 10/03/2000 |
| 6070647 | Casting metal strip Twin roll casting method and apparatus in which molten metal is introduced between a pair of chilled rolls (16) via an elongate delivery nozzle (19) to form a casting pool (68) above the nip (69) between the rolls (16). Rolls (16) are rotated to cast a so... | 06/06/2000 |
| 6003589 | Strip casting apparatus A nozzle for delivering molten metal to a casting pool of a twin roll strip caster is formed in two halves and comprises an upwardly opening trough (61) to receive falling supply streams of molten metal and outlet openings (64) at the bottom of the trough... | 12/21/1999 |
| 5785880 | Submerged entry nozzle A submerged entry nozzle for flowing liquid metal therethrough includes a vertically disposed entrance pipe section having a generally axial symmetry and a first cross-sectional flow area. A transition area having the first cross-sectional flow area with ... | 07/28/1998 |
| 5775552 | Pouring spout A pouring spout to for delivering molten steel into a continuous casting mold with longitudinal and transverse sides, especially for casting thin slabs. The outer wall (12) of the pouring spout (10) is shaped in its longitudinal-side region (17) facing th... | 07/07/1998 |
| 5772908 | Device for controlling the flow of liquid steel between a ladle and a continuous casting distributor A device for controlling a flow of liquid steel from a ladle (1) to a continuous casting distributor (8). The device includes a frame connected to the ladle (1) and comprising a guide assembly; a plate (3) movable on the guide assembly for sealing the cas... | 06/30/1998 |
| 5733469 | Nozzle for introducing a liquid metal into a mold for continuous casting of metals The invention relates to a nozzle for introducing a liquid metal into a mold for continuous casting of metals, of the type comprising a tubular first part, one end of which is intended to be connected to a receptacle enclosing said liquid metal, and the o... | 03/31/1998 |
| 5691061 | Refractory shape having an external layer capable of forming a layer impermeable to gases and process for its preparation The invention concerns a component for the pouring of steel that has a body (2) of a refractory material containing carbon. It has a layer (10) that covers the body partially or completely and is capable of forming a surface layer (10a) that is oxidized a... | 11/25/1997 |
| 5681498 | Discharge nozzle for a crystallizer for continuous casting of slabs Discharge nozzle (10) for a crystallizer for continuous casting of slabs, which is suitable to cooperate with means feeding molten steel and to discharge that molten steel into the crystallizer (41) and has its outlet (15) positioned below the meniscus (4... | 10/28/1997 |
| 5665264 | Submerged nozzle mounting/dismounting apparatus A submerged nozzle mounting/dismounting apparatus for mounting a submerged nozzle (9) on and dismounting the same from a slide valve device (5) of a molten metal vessel (1) of a continuous casting system, is provided with a submerged nozzle holding mechan... | 09/09/1997 |
| 5656192 | Immersed metallurgical pouring nozzles An immersed metallurgical pouring nozzle, such as a submerged entry nozzle for pouring molten steel, comprises a body of refractory material, such as graphite alumina, which defines a flow passage. An annular member of refractory material, such as zirconi... | 08/12/1997 |
| 5603860 | Immersed casting tube The tube for introducing a metal melt into a continuous casting mold having broad side walls and narrow side or end walls includes a tube section provided with lateral openings for the metal melt whose central axes substantially are oriented towards the n... | 02/18/1997 |
| 5591371 | Method and device for pouring molten metal An entry nozzle for transporting liquid metal from a tundish to a mould for the continuous casting of thin slab disposed therebelow, wherein the nozzle has a hollow channel therethrough, and at least at its lower outlet end, is, in plan section, of large ... | 01/07/1997 |
| 5558801 | Casting stalk The core of the stalk is a metallic cylindrical body 1, such as a steel pipe. On an inner surface of the cylindrical body are layered a boron nitride coating 4, a mica sheet 6 which is airtight and thermal insulating, and a thermal insulating layer 7. On ... | 09/24/1996 |
| 5429283 | Immersion nozzle formed of separate members An immersion nozzle is employed for discharging material from a vessel to a mold and includes an upper section to be connected to the vessel and a lower section having a region to be immersed in material in the mold. The upper and lower sections have exte... | 07/04/1995 |
| 5370370 | Liner for submerged entry nozzle A fired carbon-bonded, oxide refractory body for use in casting aluminum-killed steel has a metal contacting surface which is resistant to both steel erosion and buildup of alumina. The layer is formed by first firing the pressed body in an oxidizing atmo... | 12/06/1994 |
| 5351865 | Apparatus for the conveying and exchanging of a pouring tube 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 tilting motion to the ... | 10/04/1994 |
| 5328064 | Multi-stepped submerged nozzle for continuous casting The nozzle for continuous casting has a plurality of steps in the molten steel pouring hole of the nozzle. The dimension of the inside diameters of the steps to the inside diameter d of the main pipe is d1 >d2 >d or d1 >d | 07/12/1994 |
| 5244130 | Molten steel pouring nozzle A molten steel pouring nozzle having, along the axis thereof, a bore through which molten steel flows. At least part of an inner portion of the molten steel pouring nozzle, which inner portion forms the bore, is formed of a refractory consisting essential... | 09/14/1993 |
| 5238158 | Immersion nozzle exchanging apparatus This invention concerns an apparatus for enabling exchange of an immersion nozzle seated in a tundish and used for casting of a molten metal from a molten metal container to be carried out very easily and quickly, which apparatus comprises rails (4) laid ... | 08/24/1993 |
| 5219515 | Support ejection device for a stream-protector tube in a continuous-casting installation The subject of the present invention is a support ejection device for a stream-protector tube (5), located between the pouring ladle (1) and the tundish (3) of molten metal of a continuous-casting installation. The device comprises a support member (20) of the... | 06/15/1993 |
| 5205343 | Pouring tube for feeding molten steel into a continuous casting mold A pouring tube for feeding molten steel into the pouring zone of a continuous casting mold includes a tube portion connected to a pouring container and an end portion provided with a bottom piece. To ensure safe operation of the pouring tube and an improv... | 04/27/1993 |
| 5151200 | High aluminia tar-impregnated pressure pouring tubes An improved metal pouring tube especially adapted for conducting molten metal such as liquid steel, the tube being formed of carbon-impregnated ceramic-bonded refractory material principally comprising alumina, zirconia and silica. Also included is the me... | 09/29/1992 |
| 5114123 | Manipulator for manipulating a pouring pipe into position beneath a metallurgical vessel A manipulator is disclosed for manipulating a pouring pipe from a remote position wherein it is oriented substantially horizontally, to a position beneath a metallurgical vessel wherein the pouring pipe is oriented substantially vertically. The manipulato... | 05/19/1992 |
| 5092500 | Refractory discharge device with separate external reinforcement member A refractory discharge device includes an immersion nozzle formed substantially of carbon-bonded magnesium oxide or carbon-bonded aluminum oxide or fused quartz. The immersion nozzle has therethrough a discharge passage and has an outer surface and an out... | 03/03/1992 |
| 5086957 | Molten steel pouring nozzle A molten steel pouring nozzle having, along the axis thereof, a bore through which molten steel flows. At least part of an inner portion of the molten steel pouring nozzle, which inner portion forms the bore, is formed of a refractory consisting essential... | 02/11/1992 |
| 5048732 | Transfer tube A transfer tube is produced comprised of a high density ceramic oxide tube having directly bonded to its outer surface wall a low density ceramic oxide shell.... | 09/17/1991 |
| 5011049 | Molten metal transfer tube A transfer tube is produced comprised of a high density ceramic oxide tube having directly bonded to its outer surface wall a low density ceramic oxide shell.... | 04/30/1991 |
