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WO/1999/043458A1 |
The invention concerns a method for protecting from ambient air liquid magnesium deposited in the ingot moulds (2) by the casting tube (3) which consists in dispensing a protective gas mixture through injection ramps (4) into the empty i...
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WO/1999/038630A1 |
Disclosed are economical methods and apparatus for high throughput pressure infiltration casting. Methods of the invention use a mold vessel (12) as an evacuation chamber along with an evacuation cap (40) to produce superior quality near...
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WO/1999/030856A1 |
The invention concerns an electromagnetic braking device consisting of an electric power supply and an electromagnetic inductor with multiple windings (1) such as a 'polyphase stator of a linear motor with sliding magnetic field' designe...
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WO/1999/025888A1 |
The microstructure in which a certain cast iron melt will solidify can be predicted with high accuracy by carrying out four independent calculations and then choosing the calculation giving the best result. The calculations are preferabl...
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WO/1999/012679A1 |
The present invention relates to an apparatus for metal casting and can be used in producing castings with directional and single crystal structure. The apparatus comprises a vacuum chamber (12) inside which there is disposed an inductio...
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WO/1999/013137A1 |
The present invention relates to metal casting and can be used in producing large sized blades with directional and single crystal structure having large horizontal shoulders. The apparatus comprises a vacuum chamber inside which there i...
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WO/1999/011403A1 |
A method and a device for continuous or semi-continuous casting of metal. A primary flow (P) of hot metallic melt supplied into a mold is acted upon by at least one static or periodically low-frequency magnetic field to brake and split t...
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WO/1999/006166A1 |
The invention relates to a turbine blade (1), especially a gas turbine blade. The inventive turbine blade extends along a main axis (2) from a base area (3) to a top area (5), via a flat blade area (4). The blade has a hollow space (6) i...
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WO/1999/005330A1 |
The invention concerns metallothermal process and continuous drawing of a metal product consisting of at least one metal, comprising: a step for melting the metal in a first cold crucible (1) heated by induction where the reduction of sa...
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WO/1999/004919A1 |
There is disclosed a method and apparatus for casting a lead formation, particularly on the lug of a battery component. The lead is streamed over a mould block (20) defining a mould cavity (21) to flood the cavity (21). The flow of lead ...
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WO/1999/003621A1 |
The invention relates to a method for producing workpieces and blocks from meltable materials, according to which method a liquid starting material is solidified in a directional manner in a casting mould using a cooling device. Said met...
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WO/1999/003620A1 |
The invention relates to a casting device which inside a heating chamber (6) has a casting mould (5) which can be displaced from the heating chamber to a bath of cooled molten metal (10) situated below said heating chamber. As heat insul...
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WO/1999/004047A1 |
The problem with continuous casting methods is the production in a single cast of structured material shapes presenting hollow cavities. To this end the invention provides for a continuous casting method comprising the following steps: a...
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WO/1998/056523A1 |
A process and an apparatus for producing metallic glass which are capable of producing a bulk amorphous alloy of desired shape, in particular, a bulk amorphous alloy of desired final shape are provided. In the present invention, the molt...
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WO/1998/045071A1 |
The invention relates to a gas exchange method used for producing precision casting objects. A melting pot (1) and a casting mold (2) with at least partially porous walls are placed in a gas-tight container (5). The casting mold (2) with...
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WO/1998/042463A1 |
The invention concerns a method for making a composite part with magnesium matrix by infiltration casting consisting in the following steps: placing in a container (10) a mould (32) provided with a supply tube (36) in its lower part and ...
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WO/1998/041341A1 |
When pouring casting cavities (not shown) in casting moulds (6) having after-feeding reservoirs (8), tubular lances (1) are introduced, firstly with their point at a short distance from the after-feeding reservoir (8), after which the la...
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WO/1998/038347A1 |
An aluminium-based alloy having 6.5 - 7.5 wt.% silicon and 0.35 - 0.50 wt.% magnesium as the major alloying elements and a method of manufacturing an article from the alloy are disclosed. The alloy is characterised by a microstructure in...
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WO/1998/020995A2 |
The invention relates to a method for directed solidification of a molten mass (1) of a metal in a casting mould (2). The molten mass (1) is prepared in a casting mould (2) at a first high temperature and directely solidified by dipping ...
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WO/1998/021376A1 |
A high strength cast aluminum-beryllium alloy including magnesium represented by the formula (25-60 % A1) + (40-75 % Be) + (0.1-1.25 % Mg) + (0$m(f)X$m(f)5 %) + (0$m(f)Y$m(f)4 %) + (0$m(f)Z$m(f)0.75 %) = 100, wherein: X is at least one e...
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WO/1998/014624A2 |
An apparatus and process is provided for producing semi-solid material suitable for directly casting into a component wherein the semi-solid material is formed from a molten material and the molten material is introduced into a container...
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WO/1998/011264A1 |
A method for the production of cast products. The method is particulary directed to the production of porous metal products, such as titanium- or zirconium-containing porous metals, by controlling the concentration of gas in the material...
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WO/1998/005450A1 |
This invention concerns a process for directed solidification of a melt (1) of an alloy containing a basic metal in a mould (2, 3), wherein the mould (2, 3) filled with the melt (1) is introduced into a cooling bath (4) to effect solidif...
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WO/1997/046742A1 |
A method and apparatus for producing large, directionally solidified cast articles having a cast height greater than 200 mm, and preferably greater than 300 mm is described. The casting mold reliability, as well as the casting equipment,...
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WO/1997/042640A1 |
A method for preparing a magnetically anisotropic solid material from a rare earth- and transition metal-based alloy that is completely liquid at a temperature substantially higher than its melting point, wherein said alloy is optionally...
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WO/1997/037797A1 |
The invention concerns a casting plant and a method of producing castings. The casting plant consists of operatively and kinematically connected units in the form of linear or rotating conveying devices (1) with casting moulds (3) which ...
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WO/1997/027963A1 |
A metal alloy mass for semi-solid forming is disclosed. After being air-cooled to room temperature from a temperature corresponding to a liquid fraction content of 30-70 %, the mass has a pore ratio of 2-20 % and preferably 3-8 %, as mea...
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WO/1997/028672A1 |
A main electrode for plasma arc generator, a generator comprising same and a process for treatment of solidifying liquid metal by the mentioned generator, wherein the main electrode in association with a counter electrode provides a two-...
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WO/1997/027016A1 |
A method of predicting a grain condition in a directionally solidified casting, comprises generating thermal history data for a directional solidification casting process, determining a plurality of casting process variables that statist...
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WO/1997/021510A1 |
An apparatus (10) for casting metal ingots comprises a series of ingot moulds (12) mounted along an endless conveyor (11) which is arranged to be driven around spaced-apart rotatable members (15) and (17). A molten metal supplying device...
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WO/1997/018916A1 |
As the metal is poured into the receptacle, the melt stream is exposed to the action of a longitudinal homogeneous constant magnetic field.
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WO/1997/017151A1 |
A method and a device, during casting of metal in a mould (12) which is open in both ends in the casting direction and where, in the mould, an incoming primary flow of melt is braked and split and the secondary flow is controlled by mean...
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WO/1997/016274A1 |
Processes for providing enhanced thermal properties of tooling, particularly metal and metal/ceramic molds (8), made by solid free form fabrication techniques, such as the three-dimensional printing process, and the tooling made by these...
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WO/1997/009137A1 |
To fill a casting tool with a metal melt, said melt is taken to the mould cavity via an annular chamber opening in the outer region of the mould cavity over its entire periphery. The metal melt feed into the annular chamber is interrupte...
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WO/1997/009140A1 |
A method of supplying a molten metal to a casting mold is improved so as to attain both the reduction of a cycle time and the improvement of the quality of a product. To meet the purposes, a molten metal is supplied from a circumferentia...
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WO/1997/007914A1 |
The invention concerns a method of producing light metal castings, in particular cylinder heads, cylinder blocks and/or crankcases for internal combustion engines, using a sand-based dead mould which forms a moulding cavity (2) for the c...
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WO/1996/033828A1 |
A quench substrate for rapid solidification of molten alloy into strips has a microcrystalline or amorphous structure. The substrate is composed of a thermally conducting alloy and the structure is substantially homogeneous.
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WO/1996/033033A1 |
A plurality of lost foam cast materials that are integrally connected with a controlled spacing between the cast materials are heated to a predetermined temperature for a preset time to improve through hardness of the lost foam cast mate...
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WO/1996/032519A1 |
A process for casting, thermally transforming and semi-solid forming an aluminum base alloy into an article, the process comprising the steps of: casting a molten body of aluminum base alloy to provide a solidified body, the molten alumi...
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WO/1996/026029A1 |
A method and a device, during casting of metal wherein a mould (11) which is open in both ends of the casting direction is supplied with a primary flow of melt, of controlling the flow of the melt in non-solidified portions of a cast str...
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WO/1996/026030A1 |
A process of making a heat-sinking structure (5), which includes providing a mold (15) having cavities (12a) closed at one end and open at another end, the cavities (12a) corresponding to the heat dissipating surfaces on the heat-sinking...
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WO/1996/024451A1 |
A method for manufacturing cast products which are cast as a one-piece structure having controlled inhomogeneous graphite structure. The products can be cast in a manner to obtain, for instance, a flakey grey cast iron structure in certa...
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WO/1996/021533A1 |
A method of injecting molten plastic or molten metal into a cavity (120) to form a desired part shape is provided. The method includes: (a) providing pressurized gas in the mold cavity (120) prior to injection of molten material into the...
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WO/1996/006699A1 |
A thermocouple positioning device (50) is provided for a directional solidification casting apparatus having a furnace (10) for receiving a mold (20a) disposed on a chill plate (30) which is carried on a movable ram (40). The thermocoupl...
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WO/1996/005006A1 |
The invention concerns a method for the directional solidification of a melt (1) of a first metal in a casting mould (2), the method comprising the following operations: the melt (1) is introduced into the mould at a first temperature, a...
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WO/1995/032067A1 |
In a method of feeding a region with a local material accumulation (M) in a casting, in which the material accumulation (M) comprises a part (6) of the casting having a relatively large and substantially constant cross section, said part...
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WO/1995/029778A1 |
A method for casting long thin metal articles (10) is described. A particular embodiment is directed to the casting of seals that are used in the low pressure turbine section of a gas turbine engine. The method first involves forming a m...
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WO/1995/029802A1 |
A method of injection molding for use with an injection molding machine (10) includes: (a) generating pressurized gas and pressurized moisture within molten plastic as plastic pellets are plasticized in the injection molding machine (10)...
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WO/1995/026244A1 |
Liquid metal is introduced into mould cavity (26) of mould (24) when the latter is either within pressure vessel (10) or before it has been introduced into the latter. The pressure vessel (10) is sealed by means of the lid (18) and the m...
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WO/1995/023660A1 |
The proposed improvements in metallurgical conversion according to the invention involve the production of a semi-finished product (a mixed blank) in the form of an ingot through casting in a mould of a casting facility from a solid fill...
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