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WO/2007/135995A1 |
When a salt core (2) is formed by die casting, a melt is obtained first by heating and melting a mixed salt containing at least a potassium salt and a sodium salt. Then, the temperature of the melt is decreased to have the melt in a semi...
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WO/2007/132101A1 |
The hammering device (7) for a de-coring machine comprises a percussion element (25) able to move in translation in order to apply impacts to a casting provided with a core. The device comprises in particular: a rigid support (10) secure...
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WO/2007/114377A1 |
A vertically shaking working device (2) has a shake body (23) having an inner space that is formed by a cover member (21) and a vehicle wheel (22), which is a body to be worked, and receives working materials (25) in it and also has shak...
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WO/2007/111364A1 |
A device for shaking out core sand on work by using vibration. The device shakes out core sand adhered to a hollow section of a casting (work), such as an automobile component, formed by casting. To shake out the core sand, the work is h...
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WO/2007/109300A2 |
A recyclable mold for casting a metal article or forming a metal or ceramic article by injection molding is disclosed. The recyclable mold comprises base material particles mixed with a binder material binding the base material particles...
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WO/2007/104469A1 |
The invention relates to a mold or a blank for casting purposes, comprising molding sand, binders, and fluxes. Silica sand is used as molding sand while aluminum oxide is used in the binder. The grain size of the silica sand ranges from ...
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WO/2007/028362A1 |
The invention relates to a method for casting moulded pieces, comprising the following method steps: production of the casting mould (2), comprising a core of moulding material, forming a complete core packet (1), positioning the core pa...
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WO/2007/013212A1 |
A vacuum high pressure filling equipment in which a filling rate can be increased and the impregnation time can be shortened when a porous workpiece is immersed in filling liquid. The vacuum high pressure filling equipment comprises an o...
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WO/2007/006934A1 |
The invention relates to a device for the blast cleaning of foundry cores. The inventive device consists of: a shaft (1) comprising compressed air inlet means (20) and air outlet means (25); an approach cylinder (3) which is mounted such...
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WO/2006/133914A1 |
The invention relates to a method for the series production of a piston. According to said method, a cast melt fills a multiple-part casting mould and the feeder via a supply region, and then solidifies in the casting mould such that the...
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WO/2006/129197A2 |
Method and apparatus for improving the quality and mechanical properties of an aluminum alloy engine cylinder block or other large or complex castings by providing sand molds bound with a soluble binder only at locations on said casting ...
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WO/2006/080183A1 |
In a throttle body (10), a passive film (14) and a corrosion-resistant film (16) are stacked in that order on a substrate (12) of aluminum. The passive film (14) has a concave part (18) on its corrosion-resistant film (16) side. A metal ...
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WO/2006/074676A1 |
A device (1) for removing the core of castings, comprising a rectangular inner frame structure (3), which is supendedly and bufferingly mounted on an outer frame structure (2), and a joilting table (4) which is arranged inside the inner ...
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WO/2006/068029A1 |
A mold disassembly method and installation, in which dents on a product occurring during mold disassembly can be reduced. The method has the following processes: a process of placing an upper mold with an upper frame on a lower mold with...
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WO/2006/050209A2 |
A furnace for heat treating a workpiece is provided, comprising at least one high pressure heating zone including at least one fluid impingement device capable of directing a heated fluid medium at a workpiece within the furnace, wherein...
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WO/2006/042380A1 |
A lifting strap (300; 700) for lifting primary products such as a bundle of aluminium ingots or the like is disclosed such including a strap comprising a closed, generally rectangular loop. The loop has a predetermined maximum defined si...
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WO/2006/004756A2 |
A method of producing a metal casting comprising : pouring a molten metal material into a mold to form a casting having a core aperture ; removing the casting from the mold ; at least partially clearing the core aperture of the casting; ...
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WO/2005/089981A1 |
A system for reclaiming sand from a casting process includes a chamber having an inlet, an outlet, and a plurality of baffles defining a circuitous path for the sand therebetween, a heating element for providing heat to the chamber, and ...
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WO/2005/080023A1 |
A process for producing a cast item with the use of a mold capable of easily crumbling. There is provided a process comprising the step of mixing together a granular aggregate, at least one type of water-soluble binder and water to there...
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WO/2005/068111A1 |
Mold components comprising soluble cores, metal matrix composite articles, and methods of making metal matrix composite articles.
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WO/2005/051573A2 |
Disclosed are a method for liberating cast parts from remaining molding sand, especially sand cores, and a device for carrying out said method. The cast parts (6) to which the remaining molding sand sticks are introduced into the heated ...
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WO/2005/044485A2 |
The invention relates to a method for casting moulded parts, said method comprising the following steps: the mould is prepared by forming a core packet from the cores which are made of moulding sand; the metal melt is cast into the mould...
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WO/2005/037726A2 |
A metal-ceramic composite structure featuring a cavity or other hollow structure therein. A preform is provided that contains at least one desired cavity, or an assemblage of subunit performs are joined together to provide or define at l...
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WO/2005/014207A1 |
The invention relates to a combined sand removal and heat treatment method for castings. Post casting, the external mould components are removed. These external mould components are adapted to be removed by robotic manipulators, in a seq...
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WO/2004/099643A1 |
A core assembly (4) for a brake disc (8) of ceramic material provided with two rotor plates (12) having a predetermined axis (X), the said plates (12) having radially an inner edge (13) and an outer edge (14), having a predetermined thic...
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WO/2004/082870A1 |
A device for removing sand from a casting has a first unit for vibrating a supporting member on which the casting is placed and a second unit for applying shocks or vibration to the casting. The second unit is movable between an evacuati...
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WO/2004/078384A1 |
A method of shaking out sand from a casting, comprising fixing a casting (31) on a support member (23), and knocking on the casting (31) by a hammer means (43) while vibrating the support member, so as to give vibrations of different nat...
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WO/2004/067209A1 |
The invention relates to an automated decoring system. The inventive system is characterised in that it comprises a plurality of decoring devices each comprising a frame (1) in the form of a two-pronged (11, 12) fork, the space (13) betw...
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WO2004007121A9 |
Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Addition...
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WO/2004/027104A2 |
A method is disclosed for providing inorganic and/or organic coating compositions onto rotor cores to eliminate soldering during aluminum injection. These coatings can also be applied upon electric motor rotors and/or stators laminates a...
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WO/2004/024357A1 |
A mold for the casting of metals including an aggregate comprising a refractory particulate material and a soluble binder which provides for minimal heat transfer between the mold and the molten metal during filling. The aggregate prefer...
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WO/2004/014581A2 |
A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station ...
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WO/2004/009855A1 |
A method and system of processing castings is provided in which one or more castings are deposited into a mobile furnace and moved from one station to another of a multi-station casting processing system. The interior of the mobile furna...
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WO/2004/007120A1 |
Disclosed is a method for dislodging a mold (10) from a casting (11) formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces...
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WO/2004/004948A2 |
A process for the casting of metals includes the steps of providing a mold, delivering a molten metal into the mold, solidifying the molten metal, and removing at least a portion of the mold. The step of removing at least a portion of th...
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WO/2003/095833A1 |
A variable displacement swash plate type compressor and a method of manufacturing pistons used for the compressor, the pistons (7) comprising cylindrical head parts (71) and bridge parts (72) connecting the head parts (71) to a swash pla...
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WO/2003/086686A1 |
The removal of ceramic material from the interior of cast metallic components is accomplished in a closed system. A vessel (35) within the system is filled with a chemical leaching fluid (36) that immerses the cast component (30) having ...
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WO/2003/059553A2 |
A process for the injection of an electric motor rotor, said rotor comprising: a lamination stack (10) having a central axial bore (11) and a plurality of axial channels (12); and a cage (30) of aluminum, which is formed by an upper end ...
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WO/2003/018224A2 |
The invention relates to a method for removing the core of water-soluble casting cores from sand. According to the invention, the casting cores are partially dissolved in a water-filled dissolving basin (l.5). A sand-permeable conveyor b...
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WO/2003/011513A2 |
Two beams 17 and 18 perpendicular to a moving trajectory Q are formed in an intake port opening 14 of a cylinder head material to serve as margins for interfering with deformation of the opening 14 due to softening of the material, there...
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WO/2003/000447A2 |
The aim of the invention is to produce a light-alloy bearing bush with a rough external surface. To achieve this, particles, which are subsequently surrounded in part by the molten metal, are applied to the surface of the casting mould. ...
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WO/2002/094479A1 |
Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Addition...
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WO/2002/081127A2 |
Apparatus for use in reclaiming particulate material from bonded particulate material comprises an outer compartment (3,101) arranged substantially concentrically about an inner compartment (2,102), means in one compartment for breaking ...
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WO/2002/070771A1 |
The casting porosity of an unwrought casting made from an alloy having a large difference between its liquidus and solidus temperatures is reduced by subjecting the casting to hot isostatic pressing.
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WO/2002/062684A1 |
An arrangement for conveying an anode plate from one location to another, whereby said arrangement comprises gripping elements attached to a conveyor for gripping a plate-like piece. Elements are attached to the gripping element connecti...
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WO/2002/063051A2 |
An integrated metal processing facility in which molten metal is poured into a series of molds at a pouring station to form metal castings, which are then transferred to a heat treatment line. Prior to introduction of the castings into a...
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WO/2002/047851A1 |
When extracting the castings (5, 6) produced in a mould foundry plant, comprising an extraction station receiving the moulds (1, 2, 3) with solidified castings (5, 6) positioned in the mould cavities at the mould-parting surface between ...
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WO/2002/045887A1 |
The invention concerns the cleaning of cast parts whereof the internal and external surfaces are coated with a layer leaving a deposition which is difficult to remove after casting and cooling. The inventive device comprises a tank (1) d...
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WO/2002/024382A1 |
A method of removing fine cavities from the surface of a casting capable of surely and efficiently removing fine cavities and irregularities from the surface and surface layer of the casting and an agitating tool used therefor; the metho...
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WO/2002/022249A1 |
A method and apparatus for the debonding and sand core removal of sand cores from cast parts, the heat treating of metal parts and the removal of organic contamination from metal parts, which is utilizing a fluid bed furnace having an im...
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