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WO/1997/028917A1 |
When a conventional replacement apparatus is used, 60-90 seconds are required to carry out a replacement operation, so that a molten metal surface in a continuous casting mold is solidified during replacement to cause a joint portion of ...
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WO/1997/029060A1 |
This invention is directed to ceramic metal composite useful as a refractory and having improved abrasion, corrosion, and oxidation resistance. The ceramic metal composite of the present invention is comprised of ceramic refractory aggre...
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WO/1997/027964A1 |
An apparatus for producing a thin solidified alloy comprising a container (53) having an upper opening and adapted to accommodate a molten alloy (57), a driving means (2) for tilting the container, for causing the molten alloy to flow ou...
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WO/1997/027335A1 |
A ladle brick leveling set (20, 21) for high temperature molten metal ladles in which specially shaped refractory bricks are disposed in a slightly sloping geometrical configuration so as to compensate for a sloping bottom (19) of a high...
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WO/1997/025171A1 |
A nozzle for a caster defining a mold for casting molten metal into a metal product. The nozzle includes a mouthpiece portion for introducing the molten metal from the nozzle into the mold and further includes a baffle having a portion t...
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WO/1997/024200A1 |
In the equipment proposed, the ladle-tipping device (1) is designed so that, using two cams (9 and 10), the theoretical point of rotation (S1) at the lip of the ladle can be lowered towards the mould (25) and displaced to a point (S2) ne...
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WO/1997/024201A1 |
Plate change drawer for a metallurgical vessel such as a continuous casting distributor (2). The drawer has a chassis (12) mounted under the metallurgical vessel, at least one fixed upper plate (18) and at least one replaceable lower pla...
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WO/1997/024196A2 |
The invention concerns a continuous-casting mould for the production of thin slabs, the mould having an oblong internal cross section and cooled walls (1, 2) and the melt being poured in through at least one delivery nozzle (4) which dip...
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WO/1997/021511A1 |
A composite refractory insert for a melt containment vessel metering nozzle comprises a refractory inner component defining a flow passage for the melt and a refractory outer component defining an outer dimension of the insert. The inser...
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WO/1997/018335A2 |
In order to blow gases into hot chambers with fireproof linings and create a gas sink (6) with directional porosity, it is proposed that moulding plates should be used made from rolled green compacts permeated in their interior by gas th...
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WO/1997/018050A1 |
The invention relates to a process for closing a tap hole (14) in the bottom (13) of a vessel (10) filled with a metal melt, with a tubular closure (31) in the furnace vessel movable vertically towards and away from the entrance of the t...
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WO/1997/015410A1 |
Process for reusing the plates of a slide gate for a metallurgical container. The gate has an upper indentation and a lower indentation for receiving a set of two refractory plates, each of these plates resting in an indentation by a fac...
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WO/1997/016051A1 |
The present invention relates to an electric heating element comprising one or more electric resistance elements (3) arranged in one or more closed cavities (2) in a block (1) consisting of high temperature resistant, heat conducting mat...
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WO/1997/013598A2 |
A metallurgical vessel for carrying molten metals has a metallic casing made of individual shell rings which hold the refractory lining. The metallic casing has two circumferential reinforcing rings and two vessel-carrying journals arran...
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WO/1997/013599A1 |
A refractory nozzle assembly (1) is provided that effectively prevents the accumulation of alumina deposits around its upper edge where it receives a stopper rod. The nozzle assembly includes a refractory nozzle body (7) having an upper ...
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WO/1997/011802A1 |
Water is kneaded into a predetermined dry composition to give an aqueous slurry which is then pumped through a pipe (12) to a nozzle (13) into which compressed air is injected in order to spray said aqueous slurry. The aqueous slurry is ...
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WO/1997/007915A1 |
The impact pad (10) comprises a body of refractory material capable of withstanding contact with molten steel in a tundish, the body comprising a base (12) having an impact surface (13), an outer sidewall (14) extending upwardly from the...
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WO/1997/006060A1 |
A method and apparatus for pouring molten metal in a crucible (2) over a pouring lip and into an opening (24) in a mold (22). The crucible (2) and the mold (22) are inside a chamber under vacuum, and the crucible (2) is supported on a ho...
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WO/1997/005978A1 |
A sliding nozzle filler containing 70 to 90 wt.% of chromite sand and 10 to 30 wt.% of silica sand, the chromite sand containing sand having a particle size distribution of 500 to 1000 'mu'm. The sliding nozzle filler is not readily fuse...
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WO/1997/004901A1 |
Ingress of gas such as air through the joint of a pour tube (8) and tube holder (7) of a continuous caster, or a similar interface of a slide gate valve (5, 6, 7), is prevented or inhibited by passing an inert gas into a channel (16, 21,...
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WO/1997/004904A1 |
A crack resistant valve plate assembly is provided for use in a slide gate valve. The valve plate assembly includes a refractory valve plate having an orifice (19) positioned along its longitudinal center line (70), and truncated corners...
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WO/1997/002104A1 |
An internal nozzle/plate assembly for a distributor, wherein the plate is placed against a support (13) with an aperture (30) therein. A central portion is arranged opposite the aperture (30) and a peripheral portion is placed against th...
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WO/1997/000746A1 |
A method is provided for processing a liquid metal, particularly steel, to reduce the amount of inclusions therein, wherein a preferably inert gas is bubbled up from the bottom of a vessel (1) through a porous element (3) fitted to the b...
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WO/1996/038686A2 |
A sliding gate valve comprising a chamber (22), a stationary mounted plate (2) and a sliding plate (1) that is movable in relation to said stationary plate, and sliding plate being supported within a slide frame (20) that is movable in r...
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WO/1996/037323A1 |
The foundry ladle sliding gate comprises a housing (22), a fixed head plate (K2) and a slide plate (K1) which can move relative to the head plate and is for that purpose secured within a slide frame (20) which slides relative to the hous...
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WO/1996/034838A1 |
A nozzle or tube (1) is useful for pouring molten metal, especially aluminum killed molten steel. The nozzle (1) is formed from a blend of doloma and graphite which is bonded together in a carbonized matrix. Nozzles or tubes (1) made in ...
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WO/1996/034712A1 |
The invention relates to a sliding gate valve (10) for controlling the flow of molten metal from a vessel (12). The valve (10) comprises an orificed fixed plate (14) and an orificed sliding plate (15) slidingly mounted on a hinged suppor...
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WO/1996/034710A1 |
The invention relates to a method for measuring the amount of liquid metal contained in tiltable casting furnaces. It is established and maintained a reference curve for the amount of metal in the furnace as a function of the furnace til...
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WO/1996/034711A1 |
The invention relates to a sliding gate valve (10) for controlling the flow of molten metal from a vessel (12). The valve (10) comprises an orificed fixed plate (14) and an orificed sliding plate (15) slidingly mounted on a hinged suppor...
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WO/1996/034713A1 |
The tube changing device comprises a frame (16) mounted on the distributor (2), refractory parts (10, 18, 22) which delimit a casting channel, said refractory parts comprising at least a fixed plate (18) and a tube (22) comprising a plat...
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WO/1996/033829A1 |
A process for heating a fireproof moulding (1) by means of an induction device (2), in which at least one subsidiary electromagnetic field (B) is generated besides the main electromagnetic field (A) generated by the induction device (2),...
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WO/1996/030143A1 |
A method and an apparatus for dispersing a first fluid into a second fluid are described. Upper vessel (2) and lower vessel (3) for the second fluid are in fluid communication via a conduit (4). The conduit (4) has a constricted outlet (...
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WO/1996/029166A1 |
The invention relates to an immersed outlet for casting metal, especially steel in continuous casting installations for thin slabs, with a run-in section (11) of circular cross section joined to a casting vessel and with an outlet (21) t...
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WO/1996/029164A1 |
The invention concerns a method of adding metal melt, in particular steel melt, through a dip tube fitted to a casting vessel to melt in a vertically oscillating mould. The invention is characterized in that the height of the added melt ...
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WO/1996/026801A1 |
The fill chamber bore (17) of a die-casting machine (1) is lubricated and prepared for casting by inserting an elongated member into the die-end of the bore while spraying with lubricant. During withdrawal of the elongated member, a coni...
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WO/1996/022853A1 |
The invention provides a tundish of improved flow characteristics of the molten metal passing through it, the tundish (10) having an outlet in its base (11) the outlet being spaced longitudinally of the tundish from a pour zone (14), the...
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WO/1996/021532A1 |
Flow control apparatus for enhancing inclusion float out in a continuous caster tundish comprising a dam (3) positioned downstream from an impact pad (5) and an energy source (4) positioned between the dam (3) and the exit nozzle (2) of ...
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WO/1996/020801A1 |
The invention concerns a control and closure device for a metallurgical vessel, in which device a rotor (4) for choking or blocking the flow of melt is rotatably mounted in a stator (1) disposed in a vessel wall (2). The melt can be heat...
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WO/1996/018470A1 |
The invention concerns an arrangement for connecting an elongate stopper rod (2) which is made of a refractory material and is used for a metallurgical vessel to a stopper rod lifting device. For this purpose, one end of a carrier (10) m...
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WO/1996/017703A1 |
The liquid metal casting conduit (1) is of the type comprising an inductor (3) embedded in concrete and whose turns are asymetrical with respect to the axes (XX') and (YY') of said conduit. Application to the homogenization of the metal ...
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WO/1996/016757A1 |
The invention concerns a closure and/or flow-control unit for the outflow of a metallurgical vessel, the element having a stationary element and a rotary element (4), the latter rotating relative to the stationary element to control the ...
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WO/1996/016758A1 |
A steel casting stopper rod comprising a body (2) with a tip (5) made of a carbon-containing refractory material. The tip (5) is at least partially coated with an outer layer (4) capable of forming a gas-tight, oxidised, densified sinter...
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WO/1996/017215A1 |
A non-oxidizing heating method and an apparatus therefor, in which a non-oxidizing gas of high temperature is continuously produced and supplied into a furnace while operations are repeated such that a plurality of regenerative heaters a...
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WO/1996/015868A1 |
Undesirable deposits of precipitated alloying materials are avoided in a sliding gate valve apparatus (10) of the type in which gates (46) are sequentially moved to and from operative position between the pour opening (58) of a teeming v...
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WO/1996/014951A1 |
A tundish impact pad (20) to reduce turbulence in the tundish comprises a body of refractory material capable of withstanding contact with molten steel in a tundish (10), the body comprising a base (22) having an impact surface (24), an ...
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WO/1996/013349A1 |
A ladle (1) comprising a main portion (5), an outlet (3) and an inductor assembly (2) fitted onto the main portion. The main portion comprises a cavity (13) defined by a refractory lining, provided with at least one opening (21) and shap...
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WO/1996/011078A1 |
The invention relates to an immersed pouring spout to take molten steel into a continuous casting mould with longitudinal and transverse sides, especially for casting thin slabs. The outside wall (12) of the immersed pouring spout (10) i...
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WO/1996/009511A1 |
A holding furnace (1) for supplying molten metal to a casting launder (11) is disclosed including a metal chamber (9), an outlet (7a) from said metal chamber and an inlet well (5) positioned on the holding furnace (1) on or adjacent to t...
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WO/1996/007496A1 |
A flow control device for the outlet (14) of a molten metal handling vessel (10) is provided for use towards the end of the pouring of molten metal through the outlet. The device (22) has a head portion (25) and a tail portion (26) with ...
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WO/1996/007495A1 |
A flow control device (10) for the outlet nozzle (15, 17, 18) of a molten metal handling vessel (20), in which the device (10) is shaped to fit as a plug in the outlet nozzle (15, 17, 18), whereby a gap (29) is defined between the device...
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