Matches 51 - 100 out of 365 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
6412541 Process for producing a thermally loaded casting  
A thermally highly loaded casting is produced. The casting mold is produced from a slurry using a wax model and a polymer foam which is fixed to the wax model or has been introduced into a cavity....
6354357 Lost foam method of casting a cylinder liner with water jacket  
The lost foam method of casting a cylinder liner with water jacket comprises the steps of creating a blank identical to the liner desired, with a drain defined therein, from a heat-dissipated...
6308765 Method of making tools having a core die and a cavity die  
The present invention relates to a method of making a molding tool comprising a core die and a cavity die. The method comprises (a) providing a first metal deposit comprising one of the cavity die...
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...
6303664 Treatment for reducing residual carbon in the lost foam process  
The evaporative casting of molten metals has been shown to produce castings having smooth surfaces with significantly less signs of carbon deposits thereon by using an expandable vinyl aromatic...
6298904 Vent-forming apparatus for metal casting and method  
A vent-forming apparatus for use in metal casting comprises a gas-permeable membrane with a lead-in tube attached to one surface and a breather tube attached to the opposite surface. The...
6263950 Lost foam casting using dimensionally self-stabilized pattern  
The method of lost foam casting uses a polystirene foam pattern molded from polystirene beads preexpanded from raw polystirene beads that have a raw bead diameter in the range of about 0.1 to about...
6244327 Method of making single-cast, high-temperature thin wall structures having a high thermal conductivity member connecting the walls  
Disclosed is an integral single-cast multi wall structure including a very thin wall and a second thin wall. There is a passageway interposed between the pair of walls of the structure, and a high...
6189598 Lost foam casting without fold defects  
Fold defects are reduced or eliminated in lost foam castings by contacting a destructible polymeric pattern surface proximate to which deleterious fold defects comprising unbonded seams are prone...
6170560 Truss structure design  
A method for producing a mold for making an integrally formed three-dimensional truss structure, containing outer top and bottom plane surfaces thereof comprising interconnected rod segments...
RE36950 Golf club head with increased radius of gyration and face reinforcement  
An improved high impact metal clubhead with a unique reinforced composite face wall, increased radius of gyration, and a positive lift air foil surface contour. The composite face wall includes an...
6131677 Steel-bodied bit  
Steel bit bodies are manufactured with polystyrene patterns in a lost foam casting process. The patterns are machined in complex shapes that cannot be extractable from reusable, two-piece pattern...
6112398 Method of making a brake rotor/drum  
A rotatable vehicle brake component having integrally formed teeth adapted for use with a sensor of an anti-lock brake system is disclosed. The method for producing the rotatable vehicle brake...
6110602 Method of making a three-dimensional object  
A structure of solid material for use in making an investment casting mold and a method of making it are disclosed. The structure has a plurality of levels of spaced plates arranged such that in...
6109333 Method of manufacturing electric motor housing frame and foam pattern therefor  
Housing frames for use in electromechanical machines may be advantageously produced using a novel pattern form in a lost foam casting process. The pattern form is made from a cast dissolvable...
6051619 Investment casting composition and method for making the same  
A foamable, ashless investment casting replica composition comprises a foaming compound and a polymer. The foaming compound contains an ammonium salt of a polycarboxylic acid, at least one...
6029738 Core for use in die casting process  
A core for use in a die casting process has a wood fiber material as a main ingredient. The core can be disintegrated by exerting an external force subsequent to the die casting process. The core...
6024157 Method of casting hypereutectic aluminum-silicon alloys using an evaporable foam pattern and pressure  
A method of casting hypereutectic aluminum-silicon alloys in an evaporable foam casting process with the application of pressure during the solidification of the alloy. A pattern is formed from a...
6006818 Expanded or expansible plastic material for the fabrication of sunk foundry models and sunk models comprised of such material  
The models comprise an expanded or expansible polymer or copolymer generally used for the fabrication of such models. The polymer or copolymer contains an oxidizing agent comprising a...
5983982 Investment casting with improved as-cast surface finish  
The pattern material with substantially spherical filler particulates is used to produce investment cast components with improved surface quality, reduced finishing costs, and reduced core...
5967218 Method of integrating detailed features into a spray formed rapid tool  
A method of integrating detailed features into 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...
5960851 Method of lost foam casting of aluminum-silicon alloys  
An improved method of lost foam casting of aluminum silicon alloys utilizing a pattern formed of an expandable polymeric foam having a decomposition temperature less than 300° C., and a heat of...
5950702 Consumable pattern coating for lost foam castings  
The coated pattern is formed from a consumable pattern, preferably polystyrene, and is adapted to be decomposed and replaced by molten metal to form a casting. The improved coating is the dried...
5906234 Investment casting  
Methods are provided for producing investment cast articles, such as orthopedic implants or portions thereof, having at least a partially textured surface that is formed during casting of the...
5893204 Production process for casting steel-bodied bits  
Steel bit bodies are manufactured in a production process that employs polystyrene patterns in a lost foam casting process. The patterns are machined to permit the formation of complex shapes that...
5868192 Method of casting bangle parts  
The investment casting method uses the lost wax method and involves using a model to form a wax piece in the desired shape such as the shape of the snap element or the shape of two hinge halves,...
5860467 Use of CO.sub.2 -soluble materials in making molds  
A structure of CO 2 -insoluble material has a three-dimensional object of CO 2 -soluble material positioned inside. The object is contacted with a fluid containing carbon dioxide which dissolves...
5853044 Method of casting an article  
A wax article pattern having a cavity corresponding to a cavity in a metal article is provided. The cavity in the wax article pattern is filled with a slurry of ceramic core material. The slurry of...
5787958 Method, casting pattern and apparatus for gasifying residue during metal casting with polymers  
This invention includes a method, a casting pattern, and an apparatus directed to gasifying residue during metal casting. The method for metal casting includes using a casting pattern that includes...
5762125 Custom bioimplantable article  
A method of making a custom, bioimplantable article, such as a joint prosthesis component, is provided using computer aided design, rapid prototyping, and investment casting techniques. The method...
5755271 Method for casting a scroll  
A lost foam casting method for the manufacture of scrolls.
5735336 Investment casting method utilizing polymeric casting patterns  
The investment casting process utilizes an investment assembly that includes one or more vents in each casting mold. Vents facilitate the extraction of the pattern material while preventing...
5713410 Bone prostheses with direct cast macrotextured surface regions and method for manufacturing the same  
An implantable article having on at least a portion of its exterior surface an integral, as-cast macrotextured surface having pores with undercut edge profiles is provided. The integral, as-cast...
5658506 Methods of making spray formed rapid tools  
Method of making a rapid tool, comprising: making a plastic pattern of the tool by free form fabrication techniques following a computer aided design, the design having a base and no undercuts...
5630461 Method for making stator frame for dynamoelectric machine  
A dynamoelectric machine having a stator housing or frame made by a lost foam process utilizing a unitary single-piece vaporizable pattern. The stator housing may be made from a molten metal such...
5595235 Outboard motor exhaust housing and lost foam pattern therefor  
Disclosed herein is a one piece drive shaft housing comprising a casting including an outer surface having an upper end surface, a lower end surface, and an endless side surface extending between...
5588477 Method of making metal matrix composite  
A method of making a heterogeneous metal matrix composite (MMC), and preform therefor. An open cell foam substrate is infiltrated with a slurry of reinforcement particles carried in a vehicle. The...
5560420 Process for casting hard-faced, lightweight camshafts and other cylindrical products  
A process for casting a hard-faced cylindrical product such as an automobile camshaft includes the steps of: (a) preparing a composition formed from a molten base metal and an additive in particle...
5551503 Process for the production of decorative articles in gold or other precious metals and the articles made by the process  
The process consists of starting from a lace or embroidery in cotton or synthetic fibers, applying to the model wax, resins or varnishes capable of increasing the size, then coating the model with...
5524695 Cast bone ingrowth surface  
An orthopaedic implant comprising a cast metal base member having an outer surface and an ingrowth surface comprising a plurality of attachment spacer elements of unequal lengths integrally cast...
5524696 Method of making a casting having an embedded preform  
A "lost foam" method of making a casting having a preform embedded at a selective location therein including the steps of: engulfing a porous preform in a fugitive pattern; embedding the pattern in...
5518060 Method of producing polymeric patterns for use in evaporable foam casting  
A method of producing polymeric foam patterns for use in evaporable foam casting. A positive three-dimensional model of the metal part to be cast is made by a layered prototyping process in which...
5503218 Method of making a shell mould from a ceramic material for a disposable pattern casting process  
A method of making a ceramic shell mould for casting includes making a pattern having an internal cavity in two parts from a disposable material, glueing the two parts together to complete the...
5462106 Method of producing a mold open riser in mold during casting  
A method of forming an open riser in a mold includes telescoping a heat consumable tapered plug into the upper end of a riser sleeve, which projects above the riser sleeve and cope sand level so as...
5429172 Lost foam process for casting low carbon stainless steel  
Low carbon stainless steel parts are formed utilizing a high vacuum of 20" to 29" of mercury during the pouring stage of the lost foam process.
5394930 Casting method for metal matrix composite castings  
The invention discloses an improved method for forming metal matrix composite castings. The method achieves the casting having increased mechanical properties by using a selectively permeable mold...
5372176 Method and apparatus for producing housing having a cast-in-place insert using lost foam process  
A method for casting a housing and insert assembly including a housing and a cast-in-place insert. The casting method comprises the steps of providing a prefabricated insert, surrounding the insert...
5360050 Method of preparing disappearing model  
A film-like molded body having a hollow portion of a predetermined contour and made from a disappearing material is formed first using a mold. Also, a disappearing model is prepared by dividing it...
5358026 Investment casting process  
A method of manufacturing one-piece composite drill bits or coreheads suitable for drilling or coring petroleum wells or in mining. A shell (32) of hard wear-resistant and erosion-resistant...
5355931 Method of expendable pattern casting using sand with specific thermal properties  
A method of producing dimensionally predictable metal castings utilizing an expendable polymeric foam pattern along with unbonded sand having specific thermal properties. The pattern, formed of a...
Matches 51 - 100 out of 365 < 1 2 3 4 5 6 7 8 >