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8136571 |
Carbidic outer edge ductile iron product, and as cast surface alloying process
A process is used for applying carbiding agents to the surface of ferrous metal castings, using the “lost foam” method. Carbiding agents are applied to the foam form at selected places so that the...
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8079131 |
Method for filling metal into fine space
The present invention includes a step of cooling a molten metal within a fine space present in the inside of an object and hardening it while applying a forced external force exceeding atmospheric...
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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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8056606 |
Methods of making and using ceramic metallic interlocked components
A composite element is provided. The composite element includes a ceramic component defining a cavity having a first end and a second end, and a metallic component that includes a head and a body....
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8042599 |
Method for producing a multitude of components made of, in particular, titanium aluminide, and device for carrying out this method
The invention relates to a method and to a device for sing out this method, during which the shell molds (3) are filled with a melt (11) in a clocked manner, the respectively required amount of...
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8042268 |
Method of producing a turbine component with multiple interconnected layers of cooling channels
A method for making a gas turbine component (100). A central core (20) is positioned to occupy a space that will define a central channel (42), and an outer channel core (30) is positioned spaced...
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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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7833467 |
Polyester container having excellent heat resistance and shock resistance and method of producing the same
A polyester container obtained by stretch-forming a preform of a thermoplastic polyester resin formed by injection forming wherein the central portion of the bottom wall is the remaining part of...
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7618823 |
System, method and apparatus for lost foam casting analysis
Disclosed are a method, system and apparatus for analyzing foam decomposition in contact mode during mold filling in lost foam casting, the foam decomposition having a foam material vapor fraction...
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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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7494554 |
Method for continuous manufacturing of cast articles utilizing one or more fluidized beds for heat treating and aging purposes
A method for the continuous manufacturing of complex cast articles utilizing one or more fluidized beds for heat treatment and aging purposes is herein disclosed. The inventive method contemplates...
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7360577 |
Process for lost-foam casting with chill
Process for the Lost-foam casting of aluminum or magnesium including spacing the cooling face of a chill from a selected surface of a pyrolizable polymeric foam pattern so as to provide at least a...
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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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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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7302993 |
Cast parts with improved surface properties and methods for their production
Techniques for forming cast parts for medical devices suitable for contact with internal regions of patients are described herein. Such parts can be small in scale (e.g., having a major axis less...
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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...
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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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7225049 |
Lost foam casting analysis method
Parameters specifying properties of the materials used in the lost foam casting process are input at an input step. Numerical methods may be used to simultaneously solve a set of coupled equations...
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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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7164963 |
System, method and apparatus for lost foam casting analysis
Disclosed are a method, system and apparatus for analyzing foam decomposition in gap mode during mold filling in lost foam casting, the casting process in gap mode characterized by a bubble flux...
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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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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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7100669 |
Aluminum-silicon casting alloy having refined primary silicon due to pressure
Provided herein is a method for refining primary silicon present in a hypereutectic aluminum silicon alloy. The method contemplates the controlled application of pressure to refine the primary...
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7096919 |
Sublimation pattern casting method
An evaporative pattern casting process in which a casting process plan capable of attaining the optimal discharge of generated gas can easily be decided. The evaporative pattern casting process can...
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7059382 |
Method of incorporating brominated compounds as additives to expanded polystyrene molded patterns for use in lost foam aluminum casting
A process including topically applying a finely divided powder onto a plurality of polystyrene beads. The finely divided powder includes brominated compounds including a brominated alkane having at...
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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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7044190 |
Sublimation pattern casting method
Provided is an evaporative pattern casting process which ensures that smooth casting can be carried out without blow-back of a molten metal and a molding product having an excellent casting quality...
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7025109 |
Method and apparatus for controlling dispersion of molten metal in a mold cavity
A method and apparatus for controlling the dispersion of molten metal in a mold cavity is disclosed, the control facilitated by a localized densification of foam in a lost foam casting operation...
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6957685 |
Method of cleaning and of heat treating lost foam castings
A method of cleaning and of heat treating lost foam castings utilizing a heated, fluidized sand bed is disclosed. The fluidized action of the sand, the movement of the casting through the sand and...
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6901989 |
Removing lost foam pattern coating residue from a casting
In the lost foam casting of aluminum, coating a fugitive pattern with a refractory coating containing a thermally stable, water-insoluble, acid-gasifiable (e.g. CaCO3) compound, and contacting the...
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6889742 |
Full mold casting process and device for a differential case with cast-in bolt holes
A peripheral flange formed on a differential case for mounting a ring gear and the peripheral flange is provided with a plurality of cast-in bolt holes for bolting up the ring gear to the...
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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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6883580 |
Apparatus and improved method for lost foam casting of metal articles using external pressure
An apparatus and method to delay the application of pressure on a molten metal front to equalize a pressure gradient present at the molten metal front during pressurized lost foam casting...
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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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6830093 |
Positioning tool for ceramic cores
An apparatus and method for forming a hollow golf club head is disclosed. The apparatus includes a first mold cavity having depressions formed therein, a second mold cavity having a shape...
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6821462 |
Mass production of shells and models for dental restorations produced by solid free-form fabrication methods
Solid free form fabrication techniques such as fused deposition modeling and three-dimensional printing are used to create a shell used in the manufacture of a dental restoration. Three-dimensional...
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6802358 |
Method for production of an oxidation inhibiting titanium casting mould
A method for producing a lost mold for titanium casting from a curable embedding compound. The embedding compound contains at least one oxidizable ingredient, such as zirconium. A model of an...
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6789582 |
Casting apparatus for the production of metal castings by “lost-foam” technology
Apparatus for casting molten metal for the production of metal castings by “lost-foam” technology, comprises: a first container (15) of molten metal, a second container (1) having an upper mou...
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6770681 |
Foamable copolymer resin and a method for preparing the same
The application relates to a foamable copolymer resin and a process for preparing the same, which comprises firstly adding an organic peroxide initiator, a modifying aid and a foaming agent to a...
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6763876 |
Method and apparatus for casting of metal articles using external pressure
A method for casting of metal articles using external pressure and having particular application to lost foam casting of metal articles. A polymeric foam pattern having a configuration...
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6749006 |
Method of making investment casting molds
A method of forming a ceramic investment shell mold about a fugitive wax pattern of an article comprises coating the pattern with ceramic slurry, applying a ceramic particulate material heated...
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6732632 |
Lost mould for producing a cylindrical bushing sleeve
A cylindrical bushing sleeve or another cast part, in particular a ring carrier for pistons, has a rough surface so that the surrounding cast material can cling to the cast part as required. The...
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6710094 |
Processes for preparing patterns for use in metal castings
The present invention is directed to processes for forming styrenic polymers, and their related end uses. In particular, the present invention is directed to processes for preparing patterns for...
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6629559 |
Molds for casting with customized internal structure to collapse upon cooling and to facilitate control of heat transfer
A new mold solves problems that arise from differential changes in geometry inherent to casting metal in a ceramic mold, by control of the internal morphology between the surfaces of the mold that...
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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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6615899 |
Method of casting a metal article having a thinwall
A method of casting a metal article comprising the steps of forming a mold having a mold cavity with a height, a thinwall portion and a base wall portion. The thinwall portion may be less than 0.05...
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6582197 |
Method of investment casting with casting identification
A method of investment casting a metallic article comprises providing on a fugitive pattern of the article to be cast a relief pattern representing a unique part identification number, investing...
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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 model is...
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6513567 |
Method of making a spray formed rapid tool
A method of making a spray formed rapid tool includes the steps of making a model of a desired tool and constructing a ceramic pattern as the inverse of the model. The method also includes the...
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