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WO/1999/048637A1 |
The invention relates to a method and a device for handling molten metal baths, notably of magnesium or magnesium alloys, according to which the bath (4) is heated to casting temperature in a crucible (2) in a controlled atmosphere and d...
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WO/1999/024194A1 |
The invention relates to a method and apparatus for melting of non-ferrous metals, especially magnesium. The metal material is charged into a furnace chamber (1) and flows through openings (6; 7) in the intermediate furnace chamber walls...
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WO/1999/000205A1 |
The invention relates to a teeming method according to which the teeming ladle is moved relatively horizontally in direction X and vertically in direction Y and pivoted about an axis of rotation A. During automatic teeming this makes it ...
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WO/1998/041474A1 |
The present invention is concerned with a system for the filtration of molten material. The system is particularly useful for removing MgO impurities present in molten magnesium chloride electrolyte. The invention also comprises a method...
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WO/1998/033612A1 |
A molten metal supply apparatus provided with a sealed pot (1) having a molten metal supplying port (2) and a molten metal discharging port (3) and disposed in a molten metal retaining furnace (5), a molten metal discharging pipe (7) con...
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WO/1998/020996A1 |
The invention concerns a metering oven (1) with a vessel (12) for holding a liquid metal and with a device for detecting a liquid metal level in a vessel. A tubular probe (5) is connected to a gas source (10) for discharging a gas at a p...
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WO/1998/003283A1 |
A casting wheel (10) for use in filling ingot moulds (36) of an ingot mould line has a wheel member (12) comprising a hub (14) and a plurality of spouts (20). The wheel member (12) has a central region (18) and is mounted by the hub (14)...
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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/1997/025152A1 |
A simple yet highly reliable technique for ejecting a droplet of heated solder, or other liquid conductive material, is described. Small droplets of an electrically-conductive liquid are ejected on-demand from a drop generator (100) oper...
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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/1996/030142A1 |
To charge foundry machines with non-ferrous metal melts, melt (S) is conveyed in charges from a supply chamber (6) of a furnace (1) under a gas atmosphere to the charging aperture (18) of a foundry machine. To attain rational, properly m...
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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/1996/016757A1 |
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/1995/032826A1 |
In a method of closing the inlet (8) in a mould, a cylindrical element (14) with a through-going passage (15) is retained in the mould in such a manner that a part of the element (14) protrudes from the outside of the mould, and so that ...
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WO/1995/018869A1 |
A process for continuously providing molten cast iron for casting compacted graphite iron (CGI), comprising the steps of producing molten iron, introducing agents for regulating the graphitization potential, if necessary desulphurizing t...
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WO/1995/013153A1 |
A control system for a casting machine for casting ferrous and non-ferrous materials is disclosed. The control system comprises: a) a means for monitoring the width or the depth of pigs that form in each mould (8) as the moulds (8) move ...
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WO/1995/002479A1 |
Vacuum die casting machine including an improved siphon tube (26) for transporting molten metal (32) from a reservoir (22) to a shot cylinder (20). The siphon tube (26) defines a passageway (80) having a first end portion (86) which is a...
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WO/1994/017938A1 |
A heating assembly (1) for transferring liquid metal (28). The assembly (1) has a closed cross-section and includes a refractory tube (4) wrapped in an insulating layer (5) which is in turn surrounded by an inductor (3) enclosed in refra...
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WO/1993/016829A1 |
A pump apparatus for pumping molten metal from a furnace (5) to a place where it is to be used (46) is described which comprises a pump (1) of gas-plunger type having a container holding a chamber (18) with an inlet (47) for drawing meta...
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WO/1993/011892A2 |
A method of casting light alloy metal products, comprising introducing the molten metal into a sand mould having a vertical parting line, characterised in that the mould is bottom filled.
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WO/1993/008943A1 |
A descending stream (20) of molten metal is electromagnetically metered by a primary coil (23) surrounding an upstream portion of the stream. Alternating electric current flows through the coil, and the frequency of that current is contr...
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WO/1993/006956A1 |
Prior art electromagnetic devices for regulating the flow of molten metal either are suitable only for regulating the flow quantity in a given range or require very high electric power to permit intermittent pouring. The device (1) of th...
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WO/1993/000189A1 |
The proposed method consists in accumulating a portion of metal corresponding to the volume of the casting and feeding that portion simultaneously with subjecting it to the travelling electromagnetic field. The device comprises a casting...
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WO/1992/004148A1 |
The proposal is for a metering and loading device for pressure casting machines which is used in a cold chamber pressure casting machine to transport the metal melt between a heat retention device and the casting chamber of the machine. ...
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WO/1991/019102A1 |
Liquid metals are centrifugally pumped from a static container (18) without the necessity for employing a mechanical impeller. A powerful rotating magnetic field surrounding the static container (18) causes the metal (24) to be rotated v...
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WO/1991/017010A1 |
A valve mechanism for casting metal alloys with low melting temperatures provides two valves (22, 46) in a single assembly inside an alloy tank (10). The valves being in the tank reduces the formation of oxides which can occur in air and...
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WO/1991/015320A2 |
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/1991/005625A1 |
Moulding apparatus (10) includes a lead pot (11), a pump unit (12) and a mould block (13), having feed duct (14). The feed duct (14) communicates with the pump unit (12) by means of a supply passage (17), which is also connected to an ov...
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WO/1990/015468A1 |
An electromagnetic pump for use in low pressure permanent mold (LPPM) (11) casting of molten metals (14) such as magnesium, magnesium alloys and magnesium composites which provides separate control of idle setting and mold filling, inclu...
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WO/1990/008002A1 |
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/1990/004879A1 |
A device for pumping molten metal from a vessel (1) comprises a centrifugal conduction-type magneto-hydrodynamic pump consisting of two disks (5, 6), which are permanent magnets, mounted with a gap in between and parallel to each other. ...
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WO/1990/004880A1 |
A device for dosed feeding and heating of molten metal comprises a centrifugal conduction-type magneto-hydrodynamic pump (1) inside the metal casing of which is coaxially mounted a cylindrical working chamber (4) connected to a vessel (2...
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WO/1990/004878A1 |
A device for pumping molten metal comprises a centrifugal conduction-type magneto-hydrodynamic pump (1) placed in the vessel with the molten metal and comprising a metal casing (3) with a cap (4) to whose internal surface is connected, b...
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WO/1989/000469A1 |
A molten metal feeder in accordance with the present invention is used for feeding molten metal by electromagnetic force to a casting machine by actuating an electromagnetic pump. An adaptor for securing the same level of molten metal as...
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WO/1987/005545A1 |
Net shape or near net shape metal rod or wire (3) is rapidly solidified. Molten metal (7) is delivered to a semi-cylindrical casting channel (2) in a chill block (1) from a tundish (4) through a critically-designed metering system compri...
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WO/1985/005411A1 |
In conjunction with a hot metal pump in a reactive metal bath, a novel isolator assembly (3, 35) is provided which reduces the tendency of the pump to impart turbulence to the melt thereby reducing reaction between the melt and the atmos...
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WO/1985/004607A1 |
During a casting which is manually controlled or controlled according to an empiric curve, the weight of the casting ladle (4) and consequently the weight of the melt in the ladle, as well as the level in the runner are continuously dete...
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WO/1985/003656A1 |
High temperature and/or melting furnace (112) for non-ferrous metals, which is provided with a dosing device (111) for automatically removing a predetermined quality of the non-ferrous metal melt (114) from a dosing chamber (131) connect...
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WO/1982/004208A1 |
A method of casting metal melts provides for pouring the melt into a ladle, keeping it in the ladle under vacuum, the pressure in the ladle and subsequently modifying casting the melt under controlled conditions through the discharge ope...
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WO/1981/002125A1 |
A container (1) may be tilted at one of its ends while it is supported at the other end by a compression spring (13). An arm (15) fixed to the container (1) acts on a pneumatic transducer (14) recording to the height of melted material (...
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WO/1981/000976A1 |
Molds having code numbers (141-206) in a molding chain are filled by means of a casting ladle (17). The casting ladle determines each time the mold to be filled and stores this information with the load number (A-H) in a central computer...
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WO/1980/000317A1 |
Method and equipment for portioning melt (15) from a bath of molten metal to a reception station above the level of the bath, portions of the melt (15) being conveyed from the bath to the station in accordance with the siphon principle w...
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WO/1980/000136A1 |
Foundry method and device for handling foundry pieces or tools in particular melting metal, comprising a frame (1) supporting an arm (9) to which is attached at one of its ends a member (11) for supporting said pieces, tools or said meta...
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JP2024042537A |
[Problem] To produce different types of ingots without requiring large-scale equipment or requiring a large amount of time for setup. [Solution] An ingot production system includes a conveyor, a plurality of first molds successively arra...
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JP7421211B2 |
To estimate a molten metal pouring state in a hand-operated molten metal pouring operation at high precision.An estimation system for a molten metal pouring state in a molten metal pouring operation where a ladle is tilted, and a melt is...
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JP7392623B2 |
To provide a quantitative container etc., capable of quantitatively dipping up molten metal (for example, molten metal such as molten aluminum) without using a mechanism, a power source, etc., for rotating the container.The present inven...
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JP2023169573A |
To provide a low-pressure caster capable of stably producing a quality casting by correctly measuring a surface height of melt in a pressurization chamber or melt-feed chamber and appropriately controlling the charge state of melt into a...
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JP7344172B2 |
To provide a molten metal pouring device capable of reducing operation cost.A molten metal pouring device for pouring a molten metal into arranged molds comprises: a first truck; a traverse drive unit that moves the first truck along the...
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JP7336070B2 |
To provide a method for measurement for continuously and precisely measuring molten metal quantity in a tundish relaying a fed molten metal to a mold.A tundish is almost rectangular and has an inside face comprising the two step bottoms ...
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JP7254617B2 |
To provide a molten metal feed device capable of increasing the filling rate of a molten metal upon feed of the molten metal into a sleeve, and a molding machine.A molten metal feed device feeds a molten metal from an opening part into a...
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