Matches 1 - 50 out of 418 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
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...
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,...
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...
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...
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...
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....
7246653 Process for manufacturing the blade of turbomachine, and assembly of the cores for implementation of the process  
A process for manufacturing a blade of a turbomachine using the lost-wax moulding technique, where the blade includes a first central longitudinal cavity and at least one second longitudinal cavity...
7237375 Investment cast, stainless steel chain link and casting process therefor  
An investment cast, stainless steel chain link is provided for chains used in water and wastewater treatment. The chain link comprises a pair of spaced apart, elongated sidebars having forward ends...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
6971437 Lost foam casting pattern  
Pattern for the lost foam casting process including a pouring-basin-foming portion, a sprue-forming portion, a runner-forming portion, a gate-forming portion, and a riser-forming portion. The...
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...
6932145 Method and apparatus for production of a cast component  
A system for producing cast components from molten metal. One form of the present invention includes a system for the precision pouring of molten metal within a casting mold.
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...
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. CaCO 3 ) compound, and contacting...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
6505672 Fugitive patterns for investment casting  
A fugitive pattern of an article to be investment cast wherein the pattern includes a plurality of locator embossments disposed in an array to provide a datum reference system by which the pattern...
6502621 Processes for forming styrene/methyl methacrylate copolymers  
Copolymers are formed by suspension polymerization of monomers, including one or more styrenic monomers, and methyl methacrylate. The polymerization can be carried out in the presence of one or...
6497269 Processes for forming styrenic copolymers  
Copolymers are formed by suspension polymerization of monomers, including one or more styrenic monomers, and one or more acrylic monomers. The monomers can be polymerized in the presence of...
6481490 Investment casting patterns and method  
Method of making a shell mold for casting molten metals or alloys involves forming a thermally collapsible, low density reaction injection molded (RIM) thermosetting polyurethane foam pattern...
6478074 Method for the production of a steel camshaft and camshaft produced according to said method  
The invention relates to a camshaft made of cast steel having an inner cavity with a cylindrical inner shape, especially a profiled cylindrical inner shape produced rationally according to a...
Matches 1 - 50 out of 418 1 2 3 4 5 6 7 8 9 >