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WO/2000/041831A1 |
A hot chamber method of die casting metals in a semisolid state. The semisolid metal has a high viscosity, which can be controlled by controlling the fraction of solid phase and the morphology of the solid phase. By controlling the visco...
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WO/2000/040356A1 |
The invention relates to a plunger tip (8) for use in a cold chamber die casting machine (1) having an annular arcuate recess (24) with pressurized air and lubrication nozzles (25, 26) located annularly within said recess and to a method...
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WO/2000/037201A1 |
A die casting machine (18) includes a melting unit (24), a horizontal shot sleeve (30) in fluid communication with die cavity (36) for receiving molten titanium from the melting unit (24), and a plunger (40) sealing and moveable engageme...
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WO/2000/033993A1 |
In order to impregnate a porous workpiece with a liquid impregnating agent, the pre-manufactured workpiece is arranged in a perfectly fitting manufactured injection mould or diecasting mould and the liquid impregnating agent is introduce...
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WO/2000/029148A1 |
The present invention relates to a method and a device for producing various parts from non-ferrous metals and alloys according to a casting and pressure-crystallisation technique. The method involves casting the melt into a working cham...
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WO/2000/027569A1 |
The stencil includes a carrier strip (40) which carries an identification code. The identification code is formed of a plurality of spaced apart markers (42) which are used to form a machine readable bar code. The bar code is unique for ...
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WO/2000/012246A1 |
The invention relates to a method for process monitoring during die casting or vacuum thixoforming of metals in a mold, wherein the time lapse of temperature (T) is continuously measured on at least one point of the system and the temper...
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WO/2000/010792A1 |
A mold clamping device (1) for injection molding machines which comprises an electric type mold opening and closing mechanism, a hydraulic type mold clamping mechanism, and a mold thickness adjusting device, the mold thickness adjusting ...
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WO/2000/010752A1 |
Shapes cast from non-ferrous metals, such as the light metals aluminium or magnesium, can present paintability or weldability problems if the casting tools, e.g., the mould, consist of iron. According to the invention, the casting tools,...
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WO/2000/006322A1 |
The invention relates to a tool, especially for producing cores. Said tool is located in a casting device, first half-shells (13, 15) and second half-shells being provided. Two parting planes are provided and two casting units are formed...
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WO/2000/006323A1 |
Pressure die casting machine for manufacturing shaped parts made of thixotropic metal billets, comprising a casting system (17) connecting a casting chamber cavity (12) to a mold cavity. The casting system (17) includes a casting cavity ...
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WO/2000/005015A1 |
A die casting system includes a vessel (12) defining a reservoir (30) with a controlled heater (22) and an agitator (14) for maintaining the bath (16) of semi-solid metal (34) in a homogenous isothermal state, a transfer system (107) cap...
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WO/2000/004198A1 |
A Fe alloy material for thixocasting which comprises 1.8 to 2.5 wt.% of C, 1.0 to 3.0 wt.% of Si, 0.1 to 1.5 wt.% of Mn and 0.5 to 3.0 wt.% of Ni, the remainder of the alloy being Fe and obligatory impurities, and has an amount of eutect...
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WO/2000/002687A1 |
A method of producing an amorphous alloy sheet not less than 1 mm thick and excellent in flexural strength and impact strength, comprising eliminating casting defects by pressure-solidifying molten alloy under a pressure exceeding one at...
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WO/2000/000311A1 |
High volumetric, steady state flow rates of metal compositions can be rapidly melted, or otherwise heated to a desired degree, by conveying the metal composition (106) through the length of a microwave chamber (140) containing a microwav...
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WO/1999/067044A1 |
To produce a metal case (20) having regular perforations (21) for an electronic device, a metal mold (30) includes pins (36) provided on its cope (31) or drag (32). The pins (36) are arranged in such a manner that the line connecting two...
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WO/1999/065632A1 |
An electronic apparatus, such as a portable computer (10), comprising a case (20) for electronic apparatus, the case (20) having a thick part (21) provided at a portion where an ejector pin (39) from a mold (30) for molding the case (20)...
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WO/1999/066773A1 |
An electronic apparatus, such as a portable computer (l0) provided with a casing (20) therefor having bosses (2l), comprising projections (22) formed in positions in which the bosses (2l) are to be provided, and boss separating members (...
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WO/1999/064218A1 |
The invention relates to a method of cooling machines. Typically, the method of cooling is useful in the cooling of dies used in the moulding of plastics or metals. The method relies upon taking advantage of the latent heat of vaporisati...
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WO/1999/055478A1 |
The invention relates to a method for processing a molten metal mass, especially a molten light metal mass, and a dosing furnace which is encapsulated and which can be pressurized by protective gas. The method should enable a quantity of...
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WO/1999/050007A1 |
An injection molding system includes a feeder (23) in which a metal is melted and a first chamber (30) into which a desired amount of melted metal is introduced. A piston (46) in a second chamber (50) first retracts to create suction, as...
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WO/1999/050005A1 |
A die casting apparatus (30) comprises a pair of mold assemblies (32, 34) which include molding surfaces cooperating to define a first mold cavity (35) therebetween for casting a first portion of a cast object in the first mold cavity. O...
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WO/1999/050006A1 |
An injection molding system includes a feeder (23) in which a metal is melted and a first chamber (30) into which a desired amount of melted metal is introduced. A piston (46) in a second chamber (50) first retracts to create suction, as...
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WO/1999/047294A1 |
A method and apparatus for die casting a rotor is disclosed, by which the die cast rotors do not require reworking processes. An annular inner wall (111) and an annular outer wall (112) of a first mold (120) are projected against an oppo...
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WO/1999/047717A1 |
Positioning arms (1) for positioning and assembling systems are subjected to high accelerations and must therefore be designed so as to be lightweight but resistant to bending and twisting. Positioning arms (1) which are lightweight alth...
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WO/1999/047295A1 |
Disclosed is a method for spraying a release agent on casting molds (1) using a spray tool (3) with spray nozzles (8) and air or liquid as transport medium for the release agent. The release agents are electrostatically charged by a high...
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WO/1999/036241A1 |
The invention relates to a cooling and heating core (1) for tool parts with an outer core, especially injection moulding tools, tools used to make glass, deep drawing dies and extrusion tools used in the plastics industry, and diecasting...
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WO/1999/036209A1 |
A method of and an apparatus for manufacturing a semi-solidified metal, wherein a predetermined quantity of a molten metal (12) is supplied to a heat insulating crucible (18) and then a metal (46) cooled to a predetermined temperature no...
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WO/1999/029454A1 |
Process for the fabrication of valves and valve parts made of aluminium to control burners of domestic gas stoves through the combination of the advantages of a pressure injection process with final forging, enabling the use of commercia...
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WO/1999/028274A1 |
The invention relates to a method for producing a component from a composite Al¿2?O¿3? titanium aluminide material. In order to produce the component, a shaped body is pressed out of an initial mixture comprising titanium, especially i...
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WO/1999/028065A1 |
The provision or use, for the pressure casting of magnesium alloy in a molten or thixotropic state with a pressure casting machine having a mould or die which defines a die cavity, of a metal flow system which includes a die or mould too...
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WO/1999/028276A1 |
The invention relates to a method for producing a sacrificial body from an initial mixture which is then used to produce a component consisting of an Al¿2?O¿3?/titanium aluminide composite substance. The invention also relates to an in...
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WO/1999/027040A1 |
Concentrated lubricant compositions that may be diluted to form diluted lubricant compositions for use in high temperature metal forming processes are disclosed. The concentrated lubricant compositions contain a triaryl phosphate ester; ...
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WO/1999/025512A1 |
The invention relates to a method for cleaning foundry forming tools by means of ultrasound. The inventive method provides for the production of a receptacle using at least one foundry forming tool that is to be cleaned. Said receptacle ...
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WO/1999/020417A1 |
Precision castings, such as brake calipers and parts requiring a fine finish and having complex internal geometries, can be produced by casting a shot of a semi-solid thixotropic metal alloy about a core (12), preferably a hot-chamber di...
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WO/1999/019099A1 |
A device for molding objects comprises a mold (7) having a molding space (10) enclosed therein and adapted to be filled by a fluid mold material intended to solidify therein, means (11, 12) adapted to supply said mold material under a pr...
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WO/1999/016565A1 |
An apparatus for processing feed stock into a thixotropic state. The apparatus includes a barrel with first, second and nozzle sections. The first, second and nozzle sections are connected together and include surfaces that cooperatively...
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WO/1999/014029A1 |
An injection mold (10) for forming a pattern (P) for use in investment casting having mold sections (12, 13) carrying two pattern-forming surfaces (18, 19) and a translatable third pattern-forming element (21) movable on a mold section (...
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WO/1999/004046A1 |
The invention concerns an inert tank for treating an oxidable liquid metal (3), comprising a metal tank body and lid internally protected with an inert refractory lining (1, 13), said tank body comprising a plurality of inlets and outlet...
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WO/1999/002287A1 |
Fluxless melting of magnesium (alloy) metal applying a gas mixture of dry air and SO¿2? as protection atmosphere is provided where a constant pre-set level of SO¿2? is maintained by means of two mass flowmeters where one of them is in ...
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WO/1999/000203A1 |
A die-casting method capable of solving problems such as air entrainment and misruns during injection into a die cavity so that defect-free good castings can be efficiently produced, and castings obtained by such a die-casting method. Th...
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WO/1998/048507A1 |
An injection molding machine of which a moving part is driven by an AC servomotor (4). The d-phase current in the direction of magnetic flux established by the field system and the q-phase current orthogonal thereto are found from the dr...
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WO/1998/045603A1 |
The invention relates to a hydraulic control device, comprising a directional valve (13), a hydraulic pump (18), and a built-in two-way valve (52) configured as a seat valve. The directional valve (13) is connected to an inlet line (34) ...
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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/1998/037952A1 |
A screw (20) for a thixotropic injection molding machine. The screw (20) has a main flight (40) and a barrier flight (42). The main flight (40) has a reduced pitch near the point at which the feed stock is introduced into the barrel (22)...
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WO/1998/033611A1 |
In order to manufacture a housing block for a hydraulic aggregate with bores for locating valve insets and a cylinder bore that forms the running surface for the piston of a piston pump, the blank (1) for the housing block is made of a t...
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WO/1998/033610A1 |
A semi-solid metal forming process using a cast billet and having the following steps: 1) heating the cast billet to a temperature above its recrystallization temperature and below its solidus temperature; 2) extruding the cast billet in...
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WO/1998/026171A1 |
The invention relates to an internal combustion engine, notably a multi-cylinder, four-stroke diesel engine, with a divided cast iron crankcase consisting of two half-shells (1a, 1b), which are connected by means of fastening bolts, wher...
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WO/1998/024573A1 |
There is disclosed a die casting or like mould having an erosion-resistant mould surface on a mould body adapted for rapid cooling of the mould surface.
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WO/1998/023403A1 |
An excellent molded article having a fine and spherical tixotropic structure is mass-produced automatically, continuously, conveniently and easily at a low production cost without using a conventional mechanical agitation method and elec...
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