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8151861 One-piece core manufacturing method for swing bolster and sideframe of lorry  
A one-piece core-making technique used in producing railway truck bolsters and side frames, which includes the following steps: 1. After scraping the top of a core box, applying a shaped top mould...
8100165 Investment casting cores and methods  
An investment casting core combination includes a metallic casting core and a ceramic feedcore. A first region of the metallic casting core is embedded in the ceramic feedcore. A mating edge...
8091608 Method of forming a hollow sand core  
A method of forming a hollow sand core involves placing a preform into a cavity defined in a mold, where the preform has a predetermined configuration. A granular material is then introduced into...
8074701 Method for producing a pattern for the precision-cast preparation of a component comprising at least one cavity  
A method for producing a pattern for the precision-cast representation of a component having a cavity is provided. In the method wherein the component is a turbine component having a cavity, the...
7942188 Refractory metal core  
A cast metal article, such as a turbine engine component, is made by shaping a body of refractory metal particles to form a molded refractory metal article. The molded refractory metal article is...
7938168 Ceramic cores, methods of manufacture thereof and articles manufactured from the same  
Disclosed herein is an integral casting core including a solidified first portion of a ceramic core and a solidified second portion of the ceramic core; wherein the solidified second portion is...
7861766 Method for firing a ceramic and refractory metal casting core  
In an investment casting process, a composite core is formed as a combination of ceramic casting core element and a non-ceramic casting core element. The core is heated in an oxidative atmosphere...
7779892 Investment casting cores and methods  
An investment casting core combination includes a metallic casting core and a ceramic feedcore. A first region of the metallic casting core is embedded in the ceramic feedcore. The metallic casting...
7757745 Contoured metallic casting core  
A method for manufacturing an investment casting core uses a metallic blank having a thickness between parallel first and second faces less than a width and length transverse thereto. The blank is...
7753104 Investment casting cores and methods  
A method involves forming a core assembly. The forming includes molding a first ceramic core over a first refractory metal core to form a core subassembly. The subassembly is assembled to a second...
7686065 Investment casting core assembly  
In a method for manufacturing a combination investment casting core, a plurality of cores are each formed by cutting a metallic sheet to define a first portion and a number of separate second...
7673669 Investment casting cores and methods  
To manufacture a casting core, one or more recesses are formed in at least one face of metallic sheetstock. After the forming, a piece is cut from the metallic sheetstock. The piece is deformed to...
7624787 Disposable insert, and use thereof in a method for manufacturing an airfoil  
A method of forming an integral casting core includes adding a disposable insert to a metal core die and disposing a slurry into the metal core die. The slurry includes ceramic particles. The...
7610945 Rare earth-based core constructions for casting refractory metal composites, and related processes  
A method of fabricating a core for a ceramic shell mold is disclosed. A porous core body is formed from at least about 50% by weight of at least one rare earth metal oxide. The core body is heated...
7562691 Core for turbomachine blades  
The present invention relates to a ceramic core used in the manufacture, by lost wax casting, of a turbomachine blade with cooling cavities and a squealer, comprising at least one main core,...
7533714 Process for manufacturing ceramic cores for turbomachine blades  
A process for manufacturing a ceramic foundry core having at least one thin region with a thickness “e”, in particular in of a turbomachine blade trailing edge, including the forming in a mold of ...
7487819 Disposable thin wall core die, methods of manufacture thereof and articles manufactured therefrom  
Disclosed herein is a method comprising injecting into a thin wall disposable core die a slurry having a viscosity of about 1 to about 1,000 Pascal-seconds at room temperature when tested at a...
7458411 Method for manufacturing cast ceramic cores for turbomachine blades  
A method of manufacturing a cast core with at least one recess, corresponding to a partition of a turbomachine blade, includes the steps of shaping, in a mold, a mixture containing a ceramic...
7334625 Manufacture of casting cores  
A method for forming an investment casting core comprises cutting a patterned core precursor from refractory metal-based sheet. The cutting forms recast along the cuts. An oxide is grown on...
7302990 Method of forming concavities in the surface of a metal component, and related processes and articles  
A method of forming at least one concavity of a selected size and shape within a surface of an internal passageway of a metallic component comprises: depositing a ceramic-based material by a...
7293597 Non-oxidizable coating  
A substrate is coated by applying an essentially pure aluminum first layer to a surface of the substrate. At least a first portion of the first layer is oxidized so as to provide a protective...
7284589 Reinforced casting cores for metal casting, manufacture and use  
Sacrificial lost casting cores of green or fired ceramic, which include at least one tension spring as a metallic reinforcing element, wherein at least one end of this reinforcing element lies near...
7278460 Ceramic casting core and method  
A ceramic core for use in casting an article such as for example an airfoil, wherein the ceramic core has a pocket located at or near a region of the core that is otherwise associated with...
7082984 Article casting method  
The present invention is a method for casting a part having a complex shape or having a complex shape thereon. The method includes providing a pattern and securing at least one core to the pattern....
7073476 Cylinder block  
In a cylinder block, at least one member disposed around a bore is made of a metal matrix composite including a ceramic compact having a three-dimensional mesh structure comprised of a plurality of...
7055574 Method of producing metal article having internal passage coated with a ceramic coating  
The present application relates to a method of producing a metal article having an internal passage coated with a ceramic coating. The method comprises: preparing a core for defining the internal...
6845807 Metal casting core assembly for casting a crankshaft  
A core box assembly for casting a crankshaft. The core box assembly comprises axially aligned cores that define different axial portions of a cavity that receives molten metal to cast the...
6598655 Casting of engine blocks  
An engine block mold package includes a barrel crankcase core having a plurality of barrels on an integral crankcase region and one or more locator surfaces on the crankcase region. The barrels are...
6588484 Ceramic casting cores with controlled surface texture  
A method of making a ceramic core is provided wherein the ceramic core is grit blasted using abrasive grit media particulates directed at the core through a preformed apertured mask or pattern to...
6478073 Composite core for casting metallic objects  
A composite core structure is used for metal casting in order to form cavities of preselected sizes and shapes within the casting. The composite core has an insoluble support member that can be...
6374898 Process for producing a casting core, for forming within a cavity intended for cooling purposes  
A process for producing a casting core which is used for forming within a casting a cavity intended for cooling purposes, through which a cooling medium can be conducted, the casting core having...
6371194 Method for producing core preforms and recycling core sand for a foundry  
The invention relates to a method for the production of core preforms for foundry in which a) a mixture of inorganic, refractory foundry sand and a water glass-based inorganic binder is produced,...
6305458 Lost foam and sand cores stage manufacturing technology  
A method of casting a workpiece having internal cavities uses a combination of sand core and lost foam techniques. A core of bonded granular material in the desired configuration of the voids of...
6298899 Water jacket core  
A water jacket 10 which includes an outer core 12 and a plurality of pre-formed bridge cores 14. The water jacket 10 allows for the selective creation of cylinder bores 16 which have a...
6286582 Process for the manufacture of thin ceramic cores for use in precision casting  
A process for the manufacture of a thin ceramic core involves casting a band of uniform thickness on a support from a solution of a ceramic material based on silica and zircon in a binder, drying...
6186217 Multipiece core assembly  
A plurality of individual thin wall, arcuate (e.g. airfoil shaped) core elements are formed in respective master dies to have integral interlocking locating features, the individual core elements...
5769150 Method for forming hollow core  
In order to prevent casting with an abnormal hollow core having partially thin wall or filled in parts, a new method suitable for forming good hollow core stably and suitable for checking the...
5711361 Method for producing ready-to-use casting shells or core assemblies  
Ready-to-pour shells or core assemblies produced utilizing at least two in-line core shooting machines (1), each core shooting machine (1) having two, at least slightly differing sets of tools (4),...
5697418 Method of making ceramic cores for use in casting  
A method of making a ceramic core for use in a casting process comprises the steps of forming a core in a mould by hot injection of a thermoplastic paste consisting of a refractory ceramic...
5673743 Method of molding complete core from base core and bonded core  
A process of core molding is disclosed, which permits increasing the positioning accuracy of a base core and a bonded core relative to each other and also avoids handling the first molded base core...
5522447 Method and apparatus for on-line monitoring, cleaning, and inspection of core boxes during casting  
A method and apparatus for fabricating a core within a core box 10 having passages and screens 12 through which an air-sand mixture may flow to occupy cavities within the core box 10 by which the...
5518062 Casting core and method for making caliper castings  
A method of casting a plurality of caliper forms by using a mold and a core member of a special design is presented. The core member 20 has axial sections 22A, 22B formed on its each end aligned...
5479981 Method for casting a hollow camshaft for internal combustion engine  
A core forming mold having at least three regions is provided and a molding sand is supplied into the core forming mold. The molding sand is hardened by an amine gas, to obtain a molding core...
5381852 Process for casting a motor vehicle wheel from metal, and a motor vehicle wheel produced by such process  
The invention relates to a process for casting novel motor vehicle wheels from metal, such as from an aluminum alloy, which wheels have a rim ring and a hub part connected by supporting radial...
5303761 Die casting using casting salt cores  
A process of providing a disposable core for use in die casting processes. A salt material is molten and cast into a core of a desired configuration under exacting conditions. The fluidity of the...
5291936 Method and apparatus for producing mold parts for foundries  
The apparatus includes a mold unit for at least two mold parts, with in each case at least two separate shooting heads and sand magazines with separate shooting hood shoot-out areas and in which...
5249618 Method of making a complex ceramic core for use in metal casting process  
A method of making a complex ceramic core for use in a metal casting process of the lost wax type, the core having at least one recess which extends into the interior of the core and being intended...
5242008 Method and apparatus for producing cores for foundry purposes  
For a production of foundry moulds, dies are stepwise, cyclically conveyed by a continuous conveyor and, synchronously with the dies, shot hoods are conveyed into a shot station which is common to...
5201811 Method and apparatus for the manufacture of unitary complex cores  
A method and apparatus for the manufacturing in one operation of a complex core, such as a core for manufacturing a double-volute turbo-charger housing. The apparatus includes two separable core...
4921038 Process for preparing mold for investment casting  
A process for preparing an investment casting mold is provided. A kneaded compound composed of an aggregate and an organic binder is cast into a core molding mold to be solidified therein to...
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