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8171978 |
Castings, casting cores, and methods
The pattern has a pattern material and a casting core combination. The pattern material has an airfoil. The casting core combination is at least partially embedded in the pattern material. The...
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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...
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8096343 |
Method for precision casting of metallic components with thin passage ducts
In precision casting of metallic components with very thin passage ducts, in particular turbine blades, by the lost-wax process, the ceramic core pins provided for forming the passage ducts are...
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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...
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8082972 |
System for assembly wax trees using flexible branch
A process for creating a lost wax tree, including the steps of assembling a wax tree having a wax pattern and a wax runner, using automated equipment to flex either the wax tree or the wax pattern...
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8083511 |
Systems and methods involving pattern molds
System and methods involving pattern molds are provided. In this regard, a representative system includes a mold assembly unit having a movable fixture holder operative to engage a portion of a...
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8066052 |
Cooled wall thickness control
A casting includes a wall thickness check feature for measuring thickness of a wall second aside an in-wall cooling passageway. The thickness is determined by observing the existence and/or size of...
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8056603 |
Method for producing casting die and die model
A method for producing a casting die by simple work without requiring any high work skill in which the working days required for producing the casting die can be shortened greatly. A die model...
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8020606 |
Method of making a wax mold for a golf club head
A method of making a wax mold for a golf club head includes the steps of: a) positioning a male die in a cavity of a female die; b) injecting and filling dissolvable wax into a gap between an outer...
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7958932 |
Casting materials
A foam material comprises a liquid polymer and a liquid isocyanate which is mixed to make a solution that is poured, injected or otherwise deposited into a corresponding mold. A reaction from the...
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7946334 |
Sprue formers
A sprue former of the type used to produce a casting mold includes a generally hollow body or a body having hollow sections. The body includes an inlet forming member and at least one first...
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7913743 |
Method of forming a pattern
A method of forming a pattern includes providing an actual core having dimensions which are different from dimensions of an ideal core. A best fit spatial relationship of the actual core to a...
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7900685 |
Investment casting
In an investment casting procedure using microwave energy as the heat source virgin wax models are attached to a spree of wax-type pattern material incorporating a susceptor, the spree having a...
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7866371 |
Lost wax investment casting gating fixtures
A method of forming a gating fixture for a lost wax casting process includes determining an optimal orientation of a gate in relation to a part, and forming a fixture that can repeatably be used to...
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7814959 |
Method of making a cast metal product including a three-dimensional image, and a product made by said method
A process of making a cast metal product and a product made utilizing this process. A pattern used for casting the metal panel is prepared utilizing computer-aided manufacturing software to which a...
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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...
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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...
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7735542 |
Support structure for a printed model in multi-component dental appliances
Dental appliances including multiple components and a system and method for constructing the same are disclosed herein. The dental components are designed to fit together to form the dental...
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7721784 |
Article of jewelry and method of manufacture
A method and system for creating an article of jewelry that contains an anatomical image using a digital image of an anatomical body part such as a fingerprint, handprint, footprint, or the like to...
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7686068 |
Blade outer air seal cores and manufacture methods
A blade outer air seal (BOAS) casting core has first and second end portions and a plurality of legs. Of these legs, first legs each have: a proximal end joining the first end portion; a main body...
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7681627 |
Primary shaping method for a component comprising a microstructured functional element
A method is disclosed for molding a component with at least one microstructured functional element, which is configured intentionally with a defined structure, in relief, at a defined point on the...
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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...
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7669637 |
Impeller for supercharger and method of manufacturing the same
A lost-wax cast impeller for a supercharger having no parting line on a hub surface and a blade surface in each space demarcated by pairs of long blades adjacent to each other and having excellent...
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7650926 |
Blade outer air seals, cores, and manufacture methods
A blade outer air seal (BOAS) casting core has first and second end portions and a plurality of legs. Of these legs, first legs each have: a first end joining the first end portion; a main body...
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7562694 |
Refractory casting method
A method of casting a refractory article. The method includes providing a mold formed from a slurry composition comprising plaster and fibers and adding a refractory composition to the mold. The...
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7520312 |
Investment casting
An investment casting pattern component has a spine and a number of tines extending from the spine.
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7448434 |
Investment casting
A wax or similar material may be molded to a base plate of an investment casting shelling fixture. The molding may provide for enhanced positioning of wax patterns or may provide a precise surface...
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7360578 |
Method of joining wax patterns for fabricating golf club head
In one aspect, the present invention relates to a method of joining wax patterns for fabricating a golf club head. In one embodiment, the method has the step of providing a prefabricated first wax...
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7325587 |
Method for casting cooling holes
A method for casting a cooled component includes molding a sacrificial pattern. A plurality of holes are formed through the pattern. A shell is formed over the pattern including filling the holes....
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7318468 |
Glued lost foam casting pattern assembly
Lost foam pattern assemblies formed by gluing together a plurality of EPS foam pattern segments with a polystyrene-like glue comprising an aromatic resin that has a molecular weight less than...
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7306026 |
Cooled turbine airfoils and methods of manufacture
An investment casting pattern is formed by installing a first core to a first element of a molding die to leave a first portion of the first core protruding from the first element. After the...
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7302992 |
Fugitive pattern for casting
A fugitive pattern for making a shell mold for investment casting a metal or alloy comprises a substantially random interpolymer and a low molecular weight polymer in proportions to provide a...
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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...
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7296615 |
Method and apparatus for determining the location of core-generated features in an investment casting
A secondary datum scheme is used for identifying the location of the core-produced internal geometry of hollow investment cast metal parts that are made using a free-floating core design for...
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7290584 |
System and method for welding wax patterns
A wax pattern welding system and method for producing a pool of molten wax on an area of a surface of a wax component is provided. The wax pattern welding system includes a bar of heat conducting...
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7287571 |
Lost foam casting pattern
Pattern for the lost foam casting process including a pouring-basin-forming portion, a sprue-forming portion, a runner-forming portion, a gate-forming portion, and an inline-riser-forming portion....
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7281566 |
Method for manufacturing mold
A method for manufacturing a mold (70), which comprises a step of forming a layer (31) of combustible powdery particles (32) around a wax mold (21), which is a lost pattern, a step of forming a...
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7278461 |
Manufacturing method of titanium compressor wheel
The present invention provides a manufacturing method of high precision titanium compressor wheel in which by removing pads attached on an entire surface entirely as a machining allowance in...
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7275585 |
Process for the manufacture by lost wax moulding of parts that include at least one cavity
A process for the manufacture of a part includes the steps of forming a core in a ceramic material, inserting the core into in a wax mold, placing an element on the core thereby forming a spacer...
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7270166 |
Fugitive pattern assembly and method
A fugitive pattern assembly is made by preforming one or more fugitive patterns of an article to be cast, placing the preformed patterns in an injection die, and injecting fluid gating material...
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7258156 |
Investment casting pattern manufacture
At least one feed core and at least one wall cooling core are assembled with a number of elements of a die for forming a cooled turbine engine element investment casting pattern. A sacrificial...
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7246652 |
Ceramic core recovery method
A method to recover wax from wax patterns used in investment casting using a lost wax technique without damaging incorporated ceramic cores is disclosed that includes subjecting the wax pattern to...
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7216689 |
Investment casting
Pre-molding of wax or similar sacrificial material over one or more cores facilitates a subsequent molding over a core assembly. Individual cores or groups thereof may be pre-molded in a wax body....
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7204294 |
Casting method
In order to more effectively utilise seed crystals 35, 55 to achieve a single crystal grain orientation for a component without the problems of utilising a helix constriction previously necessary...
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7198091 |
Method for securing gemstones in an effectively invisible setting
The invention relates to a method for producing an effectively invisible gemstone setting by casting a wax model of the setting and inserting a flange or post between the stones and into the floor...
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7195800 |
Metal part, and surface treating method thereof
In a metal part in which a rubber is adhered to a portion or the whole of a surface thereof, and a surface treating method of the metal part to improve adhesive property between the metal and the...
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7174945 |
Refractory metal core wall thickness control
In accordance with the present invention, a casting system is provided which broadly comprises a core and a wax die spaced from said core, a refractory metal core having a first end seated within a...
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7172011 |
Method for the production of a lost-foam casting model for a light metal cylinder liner
A light metal cylinder liner with a surface which facilitates the connection with the surrounding cast material may be produced. The cylinder liner is produced by a lost-foam method with a form for...
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7152656 |
Manufacturing method for a wax pattern for making a golf club head
A manufacturing method for a hybrid one-piece design of a wax pattern of a golf club head includes the steps of: prefabricating a first wax pattern in a first molding assembly, the first wax...
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7147032 |
Process and apparatus for assembly of wax trees
In a process for the assembly of wax trees, a wax runner is placed in a flat position, and a wax pattern is located adjacent to the wax runner. Both the wax pattern and the wax runner are heated...
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