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WO/2001/068294A1 |
The invention relates to a filling chamber (42) of a horizontal thixoforming unit (40), for the forming of thixotropic pieces from thixotropic metal billets (10). The filling chamber (42) contains a filling chamber cavity (44) and a fill...
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WO/2001/066283A1 |
The invention relates to a method and a casting mould for producing a cast wheel-rim (1) from a light alloy by a casting process in a casting mould (8). At least one pre-formed foamed metal core piece (2) is introduced into the mould (8)...
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WO2001015837B1 |
A mold for use in die casting aluminum parts is made from an underaged Ni-Be alloy containing about 1.0 to 2.0 wt. % Be.
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WO/2001/062415A1 |
The invention relates to a method for producing a composite structure in which a foamed metal core (1) is surrounded with a metal body (3). Said method comprises the following steps: a) producing a foamed metal core (1) with an essential...
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WO/2001/060550A1 |
The invention relates to a method and a device for filling an injection chamber of a pressure die casting machine or similar with a dosed quantity of molten metal. The aim of the invention is to permit the secure coupling of a riser duri...
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WO/2001/055464A1 |
The invention relates to a diecasting method used to produce cast parts from a semi-solidified alloy melt. According to the inventive method, the alloy melt is transformed to a semi-solidified state by stimulating the crystallization pro...
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WO/2001/051237A1 |
A die cast method, comprising the steps of vacuating a cavity (30) of a die cast metal mold to 100 mb or below, blowing reaction gas from a sleeve into the cavity (30) overlappingly with the vacuation to increase the ambient pressure in ...
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WO/2001/051267A2 |
The invention relates to a method for introducing additives into flowing or fluidised media. The spatially predetermined position of the additives in the flowing material is obtained by controlling the pulsating injection. This introduct...
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WO/2001/047686A1 |
The mold opening/closing of a fixed platen (14) connected to a tie rod (28) and having a mold attached thereto and a movable platen (18) is effected by an electrically powered ball screw mechanism. A movable platen is composed of a plate...
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WO/2001/045880A1 |
The invention relates to a pre-treatment device and method for production of a thixotropic metal bolt (10), in a casting chamber (30) of a thixo-moulding unit. The pre-treatment device comprises a container (14), for accommodating a meta...
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WO/2001/045881A1 |
A plunger tip (1) for attachment to the forward end of a plunger rod (3) for forcing molten metal from the shot sleeve (5) into the die-casting apparatus. The plunger rod has a threaded socket (13) extending axially inward form its forwa...
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WO/2001/040679A2 |
The invention relates to a spur pinion (11) for a worm gear. The inventive pinion is provided with at least two wheel discs (12, 13, 14) having a cylindrical or truncated front face. The wheel discs adjoin each other at a boundary surfac...
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WO/2001/038023A1 |
The invention relates to a device and method for the production of castings, whereby the material is placed in a chamber with moveable walls under pressure, then, subsequently forced from the chamber and, finally, injected into a mould. ...
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WO/2001/030519A1 |
A Mg alloy precision pressure molding method and a molding device therefor and a Mg alloy molding produced thereby which can eliminate such conventional technique-based defects in Mg alloy die casting that compact thin-walled parts free ...
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WO/2001/028713A2 |
The invention relates to a method according to which a metal (13) is re-shaped by a primary forming process. The aim of the invention is to improve such a method so that heat can be relatively easily added to the part and so that the add...
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WO/2001/026849A1 |
A core (18) having a number of slits (18A) is installed in a cavity (16) defined between a fixed die plate (12) and a movable die plate (14) in a die casting machine (10), and a gas-permeable metal mold (20) is disposed at a position whe...
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WO/2001/027341A1 |
A reheating method involving the induction of thixotropic materials such as non ferrous metals in a pasty state, i.e. at a temperature where said material is in a semi-solid state for casting in a mould. The invention is characterized in...
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WO/2001/023123A1 |
A casting apparatus is described comprising first and second half core moulds, a vertically displaceable centre core located between the first and second half core moulds, a ring core located about the half core molds to limit the horizo...
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WO/2001/023124A1 |
A method for forming a semisolid slurry from a metallic alloy having at least two immiscible components, comprising the steps of a) providing the alloy at a temperature of at least about its demixing temperature, b) cooling the alloy to ...
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WO/2001/021343A1 |
A method and apparatus for converting liquid alloy into its thixotropic state and for fabricating high integrity components by injecting subsequently the thixotropic alloy into a die cavity (51). The apparatus includes a liquid metal fee...
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WO/2001/019585A1 |
There is provided a mould device comprising: (a) a frame; (b) a pair of first mould parts located on the frame at spaced first and second moulding stations; (c) a pair of mould part carriers located on the frame and moveable relative to ...
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WO/2001/020657A1 |
It is an object of the present invention to provide a device and method for manufacturing a heat sink that has a base and heat radiating fins of various shapes and has prescribed strength, high heat-radiating efficiency, and whose base a...
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WO/2001/019552A1 |
Die inserts and methods for use in high-pressure hot-chamber diecasting are disclosed which substantially eliminate sprue castings and greatly improve melt flow. The die inserts comprise (i) a heated sprue body insert (130, 258) adapted ...
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WO/2001/015836A1 |
A method and a device for metal injection molding which can injection-mold a metal stably and at a desired temperature not lower than a liquidus, wherein a solid metal supplied into a mixing cylinder is melted while being mixed and knead...
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WO/2001/012406A1 |
A simplified lost-core molding system (10) that combines otherwise redundant features such as platens and hydraulic cylinders ordinarily found in separate core molding stations and product molding stations. The preferred system (10) loca...
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WO/2001/009401A1 |
The invention relates to a method for producing a material that consists of a metal alloy (X) which material is then shaped in the semi-solid state. According to the inventive method, the metal alloy (X) is brought to an initial temperat...
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WO/2001/007184A1 |
The invention concerns a method for monitoring a process during die casting or thixotropic moulding of metals (14, 15) in a die casting or thixotropic moulding device. The time curve of the moulding pressure p(t) and the speed v(t), a ti...
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WO/2001/007672A1 |
A metallic alloy is processed by cooling the metallic alloy from an initial metallic alloy elevated temperature to a semi-solid temperature below the liquidus temperature of the alloy and above the solidus temperature, and maintaining th...
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WO/2001/005537A1 |
The vertical die-casting press comprises an upper and a lower rotating table (11, 12), partially superimposed each other and supported to rotate; an upper die member (23) is provided for a vertical movement towards the superimposed table...
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WO/2001/003868A1 |
An improved housing, particularly one for an automotive differential assembly, is provided. The housing has a cast portion formed from a first material and a preformed insert member formed from a second material which is cast into the ca...
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WO/2001/002612A1 |
An alloy feedstock for semi-solid metal injection molding. The alloy feedstock is an alloy material in particulate form and has a heterogeneous structure, a temperature range at 20% of the height of the peak of the main melting reaction ...
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WO/2001/002112A1 |
Disclosed is a method for manufacturing a disintegrative core for use in high pressure casting. The disintegrative core can be applied where a light metal such as an aluminum alloy or magnesium alloy is subjected to high pressure casting...
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WO/2001/001009A1 |
The invention relates to a method for producing brake disks with friction surfaces consisting of ceramic materials, especially composite materials. At least one ceramic part is placed in a diecasting mould and is joined to molten metals ...
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WO/2000/072998A1 |
Disclosed is an injection unit for a hot-chamber pressure die casting machine, providing an electromechanical drive for the plunger. A spring element (16) in the form of a plastic component or a hydraulic spring is inserted in between th...
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WO/2000/070114A1 |
A magnesium alloy member material using a magnesium alloy in a solid-liquid coexistence, and production methods for the magnesium alloy member material and a magnesium alloy member. The production method for the magnesium alloy member ma...
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WO/2000/067935A1 |
One of the basic pre-requisites for using the vacuum die-casting method is that said method takes place in a circuit which is sealed off from the exterior. Appropriately secure sealing systems are required, in order to avoid undesired ai...
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WO/2000/062958A1 |
The invention relates to a device (10) for producing work pieces that is provided with a die-casting tool (18). A plurality of cooling channels (16, 20, 22, 24, 26) extend through the die-casting tool (18) close to the tool surface. The ...
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WO/2000/062959A1 |
The invention relates to a casting tool (1) which serves to fix a porous ceramic insert (5) for the production of a light-metal component which is reinforced by said insert (5). To this end the insert is positioned in the casting tool (1...
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WO/2000/059658A1 |
The invention relates to a method for vacuum diecasting and a diecasting mould (1), especially for diecasting components made of metal or the alloys thereof. The aim of the invention is to provide a better casting quality while simplifyi...
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WO/2000/053360A1 |
The invention relates to a method and an intermediate product for producing pressed pieces. Said pieces are used to produce components which have an approximately final shape and are made from a material in powder form. According to the ...
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WO/2000/051764A1 |
The invention relates to a casting chamber, especially for die-casting metal, comprising an outer shell (2) and an inner cylinder (3) which is placed in said outer shell (2) and connected thereto, especially with a shrink fit. The invent...
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WO/2000/048768A1 |
Apparatus and methods of die casting which reduce waste by providing heated channels (22) to feed solidification shrinkage. The channels (22) are heated to a temperature which prevents solidification in the channels, thus allowing the ch...
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WO/2000/049192A1 |
The invention relates to a method for producing a metal matrix composite material and to a device for carrying out said method. The inventive method enables metal matrix composite materials to be produced in a simple manner at low cost. ...
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WO/2000/048767A1 |
In order to improve a device for the production of semifinished goods and moulded parts made of a metal material with the aid of an extruder for the production of a metal flow and using downstream devices for shaping semifinished goods a...
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WO/2000/047352A1 |
A metal mold of a hot runner type injection molding machine capable of injection-molding a metal, wherein a heating means heating a metal inside a nozzle is installed at any position of the nozzle, a plurality of temperature measurement ...
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WO/2000/045973A1 |
Tooling (30, 60, 74, 76) for handling molten or hot solid aluminum (M) and its alloys wherein the tooling (30, 60, 74, 76) is made of a passivated titanium aluminide (TiAl) intermetallic compound having a thin passivating surface oxide f...
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WO/2000/045979A2 |
The invention consists of method and apparatus for casting metal articles in a mould set comprising an immovable mould half (7), a movable mould half (20) and pressing punches set (18 and 25) driven by separate hydraulic cylinders. The m...
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WO/2000/044944A2 |
There are provided a continuous casting and rolling process for continuously producing a deformed fine grain solid metal composition suitable for semi-solid forming. The process is characterized by high throughput, due to its continuity,...
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WO/2000/043152A1 |
A semi-solid casting process uses 390 aluminum alloy as the preferred casting alloy (18) for producing castings (20) with high wear resistance.
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WO/2000/043153A1 |
This surface treating method comprises the steps of greatly reducing the resin thickness of a substrate when a light-metal casting, such as an aluminum wheel casting (26), is to be coated with a dry-plated layer, pressurizing molten meta...
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