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7594529 |
Investment casting process
A method for the production of a shell mould. The method comprises the sequential steps of:
(i) dipping a preformed expendable pattern into a slurry of refractory particles and colloidal...
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7563397 |
Solid free-form fabrication methods for the production of dental restorations
Solid free form fabrication techniques such as fused deposition modeling and three-dimensional printing are used to create a shell or die used in the manufacture of a dental restoration....
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7513296 |
Clustered investment-casting shells for casting thin-walled golf club-heads of titanium alloy
Investment-casting shells are disclosed that have at least one cluster of individual club-head casting molds for casting thin-walled, titanium alloy club-heads at high process yield and low...
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7448433 |
Rapid prototype casting
Methods for rapid prototype casting metal components, wherein the metal components are cast in a secondary ceramic mold, the secondary ceramic mold is cast in a primary mold, and the primary mold...
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7370688 |
Lost wax moulding method with contact layer
A method of manufacture of a multilayer ceramic shell mould whereof at least one contact layer out of a wax master pattern or a part to be manufactured, or other similar material, includes a step...
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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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7325585 |
Dental prosthetic forming system
A system for forming a dental prosthetic using the lost wax method utilizes a unitary pattern assembly to create a unitary cavity in a mold incorporating a dental prosthetic pattern cavity portion,...
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7318466 |
Lost wax casting method
A method of manufacture of a multilayer ceramic shell mould out of a master pattern includes the steps of dipping the master pattern in a first slip containing ceramic particles and a binder,...
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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...
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7278465 |
Investment casting slurry composition and method of use
An investment casting method involves producing a casting shell by applying a hardenable moist mixture to a sacrificial pattern. To hasten the hardening of the moist mixture to create the shell, 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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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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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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7231955 |
Investment casting mold design and method for investment casting using the same
A method for investment casting includes the steps of positioning a base plate relative to a die; molding a first material between the die and at least a first surface portion of the base plate;...
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7216691 |
Mold-removal casting method and apparatus
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...
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7204296 |
Method of removing a fugitive pattern from a mold
A method is provided for removing a fugitive pattern, such as wax or other meltable pattern material, residing inside of a refractory mold by discharging condensable vapor such as steam inside the...
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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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7173079 |
Casting material for producing casting molds for casting high-melting point materials
The casting-mold material designed to manufacture casting molds used in casting high melting-point substances. The casting mold formed from a powder component containing magnesium oxide and...
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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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7150307 |
Lost foam casting apparatus and method for creating hollow gating
A method and apparatus is disclosed for forming a metal casting sprue for a lost foam casting process, the sprue formed in sand for receiving molten metal and directing the molten metal to a foam...
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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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7147031 |
Lost pattern mold removal casting method and apparatus
A method and apparatus for the lost pattern casting of metals employs an erodable mold including a particulate material and a binder. An erodable backing or coating may be used to support the...
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7134475 |
Investment casting cores and methods
An investment casting pattern is formed by forming a metallic first core element including at least one recess. The first core element is engaged to at least a mating one of an element of the die...
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7121318 |
Lost pattern mold removal casting method and apparatus
A method and apparatus for the lost pattern casting of metals is disclosed. In the method, a pattern is formed from a material and a mold is formed around at least a portion of the pattern. The...
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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....
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7080678 |
Hollow jewelry ring design
There is provided a method or process for fabricating a hollow jewelry article which is hollowed or bored out. In accordance with this process, a metal ring model is prepared comprising a solid...
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7048030 |
Method of making a casting assembly
A method of making an investment or lost foam casting assembly of a first part movable with respect to a second part includes making first and second separate wax or foam patterns of portions of...
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7025110 |
Method and apparatus for setting odd-shaped precious stones
A piece of jewelry such a pendant is first cast in wax to provide a wax replica thereof. A gemstone is heated above the melting temperature of the wax replica and is pressed therein. Alternatively,...
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6971436 |
Connecting method for wax patterns of a golf club head
A connecting method for the wax patterns of the golf club head includes the steps of: prefabricating a first wax pattern and a second wax pattern, the first wax pattern providing with an engaging...
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6957686 |
Heated blades for wax melting
A knife for heating the wax on the surface of a wax runner. The knife as a surface which is recessed in the center of the surface to permit melted wax to flow up into the recessed area and not flow...
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6951239 |
Methods for manufacturing investment casting shells
An at least two step heating process is used to strengthen the shell of an investment casting mold including a refractory metal core. The first stage may occur under otherwise oxidizing conditions...
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6929050 |
Wax runners for casting
A wax runner is provided having risers along the edge of the surface which is melted to attach the wax gates of wax patterns to the wax runner. The risers prevent the flow of molten wax over the...
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6910519 |
Process and apparatus for assembly of wax trees
A process for the assembly of wax trees in which a wax runner is placed in a flat position and a wax pattern is located adjacent the wax runner. Both the wax runner pattern and the wax runner are...
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6904949 |
Method of making turbocharger including cast titanium compressor wheel
A method of making an air boost device, wherein a compressor wheel incorporated therein is re-designed to permit die inserts ( 20 ), which occupy the air passage and define the blades ( 4, 5 )...
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6892789 |
Solid investment molding system and method
A lost wax molding system has a re-usable, collapsible, chain-linked mesh exoskeleton, one or more inserts to be placed within the interior surface of the mesh exoskeleton to exert outward pressure...
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6886621 |
Sprue for a lost foam casting system for biasing a directional fill rate from a bottom portion of a metal casting
A sprue structure is specifically designed to facilitate the rapid filling of molded polystyrene patterns with molten metal. It comprises a down sprue and parallel columnar members that are...
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6880618 |
Making subcutaneous flow-channels in foam patterns
Method of making a subcutaneous melt flow-channel in the surface of a fugitive foam pattern used in lost-foam casting process. After a refractory skin has been formed on the surface of a foam...
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6857461 |
Method and device for the production of reticular structures
A method of producing reticular structures, particularly metallic reticular structures, as well as a device suitable for the production thereof. The method and device enable continuous and/or...
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6739376 |
Method for producing a golf club head
A method for producing a golf club head includes preparing at least two wax models for the golf club head; combining the at least two wax models; coating the combined wax models with a layer of...
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6691764 |
Method for producing casting molds
There is provided a method for producing a dental prosthesis comprising: obtaining three-dimensional digital data relating to a patient's dentition; designing a virtual prosthesis for the dentition...
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6675868 |
Apparatus for performing foundry work
A machine for forming and fitting core support pins into wax ( 70 ) surrounding a core ( 68 ) prior to covering the wax ( 70 ) with a frit ( 76 ), includes one or more punch devices ( 30 ), ( 82 )...
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6634410 |
Mold apparatus and method
A mold apparatus and method for creating designs on the interior of molds includes a resilient form with an exterior and an interior, with a design formed on the exterior. A rigid support member is...
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6626230 |
Multi-wall core and process
Method making a multi-wall ceramic core for use in casting airfoils, such as turbine blades and vanes, wherein a fugitive pattern is formed having multiple thin wall pattern elements providing...
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6588485 |
Hybrid method for manufacturing titanium compressor wheel
Cost considerations have prevented the use of titanium compressor wheels ( 1 ) in automotive air boost devices. A hybrid process is disclosed, wherein a wax pattern used in the investment casting...
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6568455 |
Jewelry making method using a rapid prototyping machine
A method for making personalized jewelry and the personalized product of this jewelry making method. The method includes digitally capturing the image of a person or other object. The image is...
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6554052 |
Method for producing hollow jewelry ring design
There is provided a method or process for fabricating a hollow jewelry article which is hollowed or bored out to an arcuate estent of 200° or greater. In accordance with this process, a metal ring...
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6516864 |
Gem setting method and tool
A tool ( 40 ) has a ledge portion ( 46 ) and a cutting blade portion ( 50 ) for cutting a groove ( 24, 26, 28 ) in a wax model ( 32 ) for an article of jewelry. The groove is formed after the wax...
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6493912 |
Stone setting methods
A method of producing stone set jewelry includes the step of forming at least one affixation groove within the stone to be set in the jewelry. A stone to be set with the present method should have...
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