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WO/2002/020195A1 |
A heat treating device and heat treating method capable of scraping off molding sand and core sand while a casting is heat-treated. Apparatuses, each having both an impact mechanism (4) for applying a direct impact to molding sand or a m...
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WO/2002/018072A1 |
An automatic continuous casting system for producing a cast body, comprising: a casting apparatus that makes use of unidirectional solidification of molten metal and includes a molten metal reservoir (4) and a mold (5), in which molten m...
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WO/2001/089743A1 |
Countergravity casting of metals and metal alloys provides for melting of the metallic material under subambient pressure, evacuation of a gas permeable or impermeable mold (15) under subambient pressure, and controlled, rapid filling of...
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WO/2001/088215A1 |
A method for nodulizing silicon crystals in casting Aluminum-(8-12%)-Silicon alloys is described. An initial alloy melt is refined by addition of a master alloy containing elements of titanium, phosphorous, boron, zirconium and rare eart...
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WO2000032344A9 |
A sacrificial core (304) defining a cavity in a metallic or non-metallic shaped article of manufacture, e.g., a casting (302), is made from a metal that can be electrolytically dissolved. The sacrificial core (304) is removed from the ar...
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WO/2001/062414A1 |
The invention relates to a device for casting a workpiece, especially a turbine blade with inner cooling, comprising a casting cavity (1) in which casting cores (2) which produce channels (3) that pass through the workpiece are provided....
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WO/2001/054845A1 |
A method and a device for collecting sand from a poured green sand mold capable of collecting the mold green sand not thermally affected by molten metal and the mold green sand thermally affected by the molten metal adhering to a casting...
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WO/2001/049435A1 |
The invention concerns a method for making alloy components characterised in that after casting the preform (2) and before transferring it into a forging matrix (5), said preform, still hot at the end of casting, is transferred and compl...
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WO/2001/026845A2 |
In a bi-level dual track 'solution' heat treatment and de-coring furnace for aluminum castings having a common hot gas treatment means for both separate tracks, the improvement of having all castings treated in the furnace move along bot...
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WO/2001/026498A1 |
A system for producing a die includes means for generating a reference CAD model of a die of desired dimensions and a production facility arranged to produce an oversized casting of the die from a mould thereof. The system includes, furt...
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WO/2001/023633A2 |
The invention relates to a method for the heat treatment of structure castings from an aluminium alloy. The inventive method comprises the steps: laying the structure casting onto a product receiving device that embraces the contours of ...
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WO/2001/008836A1 |
A system and method for heat treating castings (13, 53) and removal cores (54) therefrom. The castings (13, 53) are initially located in indexed positions with their x, y, and z coordinates known. The castings (13, 53) are passed through...
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WO/2001/005538A1 |
A method and device for taking out a casting material, without damage to it, from a molten-metal-poured green sand mold. The method which is a method of separating a casting material from a poured green sand mold, and which includes a st...
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WO/2001/002113A1 |
The use of green sand is eliminated by replacing green sand molds with all core sand assemblies that provide, during casting, both the internal and external surfaces of a casting, such as a cylinder head or engine block. In the process, ...
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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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WO2000036354A9 |
A single furnace system (10) integrates, in combination, two or more distinct heating environments (which in the preferred embodiments include a conduction (23) heating environment and a convection (24) heating environment) integrated su...
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WO/2000/059659A1 |
A method for separating a green sand mold and an as-cast product which comprises surrounding gas-tightly a green sand mold without a mold flask having been supplied with a melt and aspirating steeply the inside of a structure surrounding...
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WO/2000/054910A1 |
A decoring device for foundry castings, particularly useful in the casting industry for aluminum alloys and the like for removing the core from castings, includes a metal supporting frame, a vibrator (10) for vibrating a casting (G) whic...
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WO/2000/055399A1 |
An article is formed from an ingot of a nickel-iron base alloy having a composition including from about 4.5 weight percent niobium to about 5.5 weight percent niobium and capable of forming delta-phase precipitates, and having fewer tha...
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WO/2000/037196A2 |
The present invention may be used in the production of alumina during the electro-hydraulic processing of details with industrial deposit. This invention essentially relates to a method for the electro-hydraulic cleaning of non-rigid pla...
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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/1998/053937A1 |
The invention relates to a device and method for producing a one-piece vehicle wheel in which a substantially discoid, undercut-free blank is cast. Immediately after casting, the blank is transported to a pressure cylinder machine while ...
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WO/1998/051433A1 |
In a method of extracting castings (1, 2, 3) from moulds in a mould-string plant, the downstream-most mould (1) is gripped by a robot gripper (9) and made to cooperate with an engagement member (14), the latter first penetrating into the...
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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/1998/014291A1 |
A process for removing sand cores from metal castings (17) in a continuous or semi-continuous procedure utilizes a fluidized bed furnace (7). The thermally decomposed sand cores are carried away with the fluidized solids (6) of the furna...
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WO/1997/035678A2 |
A method of manufacturing hollow objects of complex shapes with elaborated internal cavities and channels in order to reduce the weight and/or for highly effective cooling systems, for example gas turbine blades, powerful laser optic sys...
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WO/1997/030805A1 |
Provided is a five-in-one process/integrated furnace system (20, 20') that (i) receives and heat treats a casting, (ii) removes sand core material (28) from the casting, (iii) actively reclaims sand from the sand core material (28), (iv)...
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WO/1997/022812A1 |
A process is disclosed for manufacturing a cast machine part with a multiple-part bearing assembly formed by fracture and provided for that purpose with diametrically opposed fracture notches or recesses (7) shaped in the bearing bore du...
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WO/1997/021523A1 |
A pneumatic assembly (1) having combined approach and strike functions, and suitable for incorporation into a foundry core sand removal apparatus. The assembly comprises a barrel (1) comprising compressed air supply means (6, 7, 8) and p...
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WO/1997/002913A1 |
A casting core for casting moulds is made of a dry substance solidified by a binder and loses its shape when exposed to water. The dry substance is moulding sand or perlite, and the water-soluble binder is phosphoric acid or sodium polyp...
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WO/1996/030140A1 |
In a method of advancing moulds (5), after pouring to form castings (9) in the casting cavities (8), leaving a foundry plant comprising a mould-making station (A, 1-4) and a pouring station (B, 7), said moulds (5) leaving said stations i...
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WO/1996/019307A1 |
A casting shake-out unit (1) has an outer cylinder (3) and an inner cylinder (5). The inner cylinder is made of a plurality of interfitting segments (9) which interlock and cooperate with each other to prevent a segment (9) from falling ...
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WO/1995/027579A1 |
The invention concerns a method of producing a casting having an elongate cavity, in particular a camshaft. The cavity is produced by means of a glass tube which is removed from the casting by a high-pressure medium. This method enables ...
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WO/1995/019860A1 |
Waste gases generated in the process of manufacturing cores and castings are collected and inventively routed to a heat treating furnace (12) for incineration. Additionally, as a portion of the waste gas is being routed, it is put to use...
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WO/1994/004297A1 |
The method and apparatus for reclaiming substantially pure sand from a heat treating furnace (19); wherein a casting with sand core and/or sand mold, comprising sand bound by a combustible binder, attached thereto is introduced into the ...
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WO/1993/020970A1 |
A hollow metal article can be made by casting a metal article around a ceramic core and leaching the core from inside the article. These steps form a hollow space in the shape of the ceramic core. An x-ray detectable agent that has a hig...
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WO/1993/021349A1 |
A casting including an interior cavity defined by a generally hollow frangible core (101, 201) and an associated method of manufacture, wherein the casting is cast around the core (101, 201) which is subsequently broken, preferably shatt...
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WO/1992/020478A1 |
An improved method and apparatus for heat treating a metal casting having a sand core comprising a heat treating furnace (11), with fans (44) for directing a flow of air over the casting to dislodge the sand core. The dislodged sand fall...
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WO/1992/013663A1 |
The invention describes a method and device for breaking up and removing cores from castings, particularly from cylinder heads for internal combustion engines. A pneumatic hammer (20) is applied to the casting (1) while the latter is hel...
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WO/1992/011104A1 |
A method and apparatus are described for the production of piston castings, and, in particular, a die construction and method of use thereof are described, the die having a crown forming part (18) separable from a skirt forming part (12)...
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WO/1989/001377A1 |
Process and device for determining the quantity of an explosive gas mixture to be introduced into the processing chamber (1, 2, 5) of an installation for treating materials (3a or 3b) by temperature and pressure surges in function of the...
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WO/1985/002136A1 |
An apparatus usable for cleaning foreign material from the internal and external surfaces of a part (50), including a container of particular media (14), a vibration generator (34), for the container which creates an amplitude and freque...
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WO/1985/002137A1 |
The core removal apparatus (1) is comprised of a portal-shaped carrier frame (2) of which the uprights (4) and the support brackets (5) carry each a bearing (7) on which there is arranged by means of a swivelling lever (9) a reception de...
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WO/1984/000017A1 |
For casting of iron alloys in permanent molds (10) thin-walled permanent copper molds are used which are subjected to forced cooling so that the surface layer of the articles (11) is quenched to rapidly form a solidified shell which perm...
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WO/1982/003581A1 |
Self-contained and non-polluting mobile ingot extractor (1) having a wheeled undercarriage (3) and drawbar frame (13) with a hitch (15) for towing same. The extractor (1) has longitudinal frame members (9), (11) carrying cross-members (2...
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WO/1982/003030A1 |
Apparatus for impregnating a porous article comprising a first support (16) for the article, a first cover (10) arranged to seal against the support to form an impregnation chamber, means for applying reduced pressure to the upper part o...
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WO/1982/003029A1 |
A rotating drum (1) for cooling and separating castings and molding sand has a foraminous liner (27, 8). In a first part (28) thereof there are sand raising vanes (17) between this liner (27) and the closed wall (28) of the drum to raise...
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WO/1982/001144A1 |
A method of removing refractory material from a component comprises contacting the refractory material with a chemically active agent whereby to convert the refractory material to a more easily removable substance, and removing the more ...
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WO/1980/002241A1 |
The mechanism relates to the casting technology, in particular, to mechanisms for receipt of moulds and cores from the machine and their delivery outside the machine. The mechanism comprises a frame (3) with a conveyor mounted thereon it...
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WO/1980/001257A1 |
Method and device for pressurizing the inner surface of a molded cylindrical article by the step of pressurizing and forming the inner surface of the article while rotating a pressing unit (6a) of pressurizing means (6) relative to a mol...
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