Matches 101 - 150 out of 365 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
5355930 Method of expendable pattern casting of hypereutectic aluminum-silicon alloys using sand with specific thermal properties  
A method of producing a casting utilizing an expendable polymeric foam pattern along with unbonded sand having specific thermal properties. The pattern, formed of a material such as polystyrene,...
5348069 Lost foam pattern for molding and method of making same  
A molding lost foam pattern made out of synthetic resin is decomposed and gasified by molten metal. The molding lost foam pattern includes a runner portion foam pattern extending vertically. The...
5346218 Metal wood golf club with permanently attached internal gates  
A metal wood golf clubhead is formed from a mold which includes an external gate into which molten metal is poured and internal gates in the mold cavity which facilitate flow of the molten metal...
5327955 Process for combined casting and heat treatment  
A foamed pattern of a desired part is first formed. The pattern is then dipped into a ceramic slurry and the slurry dried in order to form a shell containing the foamed pattern. A heated bed of a...
5318094 Production of complex cavities inside castings or semi-solid forms  
The production of complex cavities inside castings or semi solid forms is effected by forming a core pattern (10) of a low melting point metal in order to provide a rigid metal core pattern (10)....
5297610 Pressure casting method and apparatus  
A pressure molding method and apparatus uses a mold with a casting cavity and a pouring gate through which a molten metal is fed into the casting cavity. After feeding a molten metal into the mold...
5290373 Evaporable foam casting system utilizing an aluminum-silicon alloy containing a high magnesium content  
A method of evaporable foam casting of metal articles, such as engine blocks for internal combustion engines. An evaporable foam pattern having a configuration proportionally identical to the...
5285839 Internal combustion engine and method for making same  
A lost foam pattern assembly comprising a crankcase section including first and second mounting surfaces, a right cylinder section which is fixed to the first mounting surface and which includes a...
5273099 Composite aluminum member joining process  
A composite aluminum member joining process. A chemical film including potassium and fluorine is formed on an aluminum member or a flux including potassium and fluorine is coated on an aluminum...
5265664 Fixture for forming evaporative pattern (EPC) process patterns  
A method of casting metal using evaporative pattern casting process patterns in combination with a fixture for creating and maintaining a desired configuration in flexible patterns. A pattern is...
5234045 Method of squeeze-casting a complex metal matrix composite in a shell-mold cushioned by molten metal  
A squeeze-casting method is taught for manufacturing metal matrix composites which require little or no finishing operations. This method utilizes a combination of techniques, fundamentals of which...
5203398 Low temperature process for evaporative pattern casting  
A method is disclosed for the casting of metals by the use of a consumable or vaporizable pattern. In this method, a foamed pattern of a desired part is first formed. The pattern is then dipped...
5197527 Method of manufacturing lost foam pattern for use in full-mold casting  
A pit defining a machining cavity is positioned downstream of a loading conveyor. A workpiece such as a foam block to be machined into a lost foam pattern for use in full-mold casting is fixedly...
5188071 Cylinder block structure  
In the Siamese type cylinder block structure, a hollow member having a number of arc guide pieces on both ends is inserted into the upper end between neighboring cylinder bores so as to form a...
5183095 Means for producing high precision castings  
The production of high precision molds and castings for dental prosthesis and the like is enhanced with a casting ring and sprue former base constructed of a clear expandable thermoplastic. The...
5178201 Method for producing an implant with an open-celled metal structure  
An implant is produced with an open-celled structure at least partly covering its surface. The method uses a positive pattern having a basic pattern with particles bonded to it, the particles...
5176196 Method and apparatus for feeding liquid metal into a mold  
A mold containing a gasifiable or vaporizable disposable pattern 3, embedded in sand 4 without a binding agent, is fed through its base by a pressurized chamber 6 containing liquid cast metal. The...
5176188 Investment casting method and pattern material comprising thermally-collapsible expanded microspheres  
A method and composition for forming investment casting patterns wherein thermally-collapsible microspheres are incorporated into the pattern composition. The patterns can be made either by...
5161595 Process for the lost foam casting, under low pressure, of aluminium alloy articles  
A pattern of an aluminum alloy article made from a foam of an organic substance. The pattern is immersed in a mold of dry sand containing no binder. The mold is filled with molten aluminum alloy...
5121787 Evaporable foam pattern for casting a thermostat housing for a V-type marine engine  
The pattern, composed of a polymeric material, is formed of three sections joined together by an adhesive along a pair of parallel parting lines. One parting line lies in a plane extending through...
5119882 Evaporable foam pattern for casting an engine block for a two-cycle engine having a direct charge system  
An evaporable foam pattern for casting a metal engine block for a two-cycle engine having a direct charge system. The pattern includes a block pattern section having a head end and a crankcase end...
5088544 Process for the lost-foam casting, under controlled pressure, of metal articles  
An improvement to the process for the lost-foam casting of metal articles. According to the process, the casting takes place under a controlled pressure which initially increases at a rate between...
5088545 Evaporable foam pattern for use in casting a metal engine block having a loop charge system  
An evaporable foam pattern for casting a metal block for a two-cycle engine. The pattern includes a first pattern section formed of a polymeric material and defining at least one cylinder. The...
5086825 Method for manufacturing foam pattern assemblies  
A foam pattern assembly includes a parting line, and a surface which is intersected by the parting line and which includes a first surface portion and a second surface portion offset from the first...
5076345 Method for making a casting having an integral hose connection  
A cast tubular structure including an integral hose connection element formed thereon is produced by lost foam casting wherein a circular socket seat is formed on a pattern for a body portion of...
5072782 Method of producing pattern for molding castings  
A pattern for molding a die having a shaping panel and an attachment panel is produced by drawing a first rib figure extending from the shaping panel of the die based on configuration figure data...
5072770 Investment casting process  
A method of making an investment casting by forming a pattern which has the shape of the part which is to be made and forming from the pattern a mold of elastomeric (rubber) material which has a...
5062470 Method and apparatus for treating gaseous material from evaporative pattern casting  
The pattern is surrounded by packed unbound molding medium within a container. The gaseous material resulting from the evaporation of the pattern is removed from within the container as the gaseous...
5062467 Vacuum countergravity casting apparatus and method  
Vacuum countergravity casting apparatus and process employ a container having a peripheral wall defining an open bottom chamber that receives one or more molds or destructible patterns. A first...
5058653 Process for lost foam casting of metal parts  
An improvement in the lost foam casting process in which a foam pattern of a part to be cast is immersed in a dry sand mold and the mold is filled with molten metal in order to burn the pattern....
5054537 Lost foam pattern assembly for V-block engine  
Disclosed herein is a lost foam pattern assembly comprising a crankcase section including first and second planar surfaces intersecting at an angle defined therebetween, a port cylinder section...
5044419 Hollow post cylindrical sprue casting method  
A method of forming a hollow cylindrical tube from wax such that a taper exists from one end to the other resulting in different wall thicknesses at either end of the tube, mounting said tube in a...
5042560 Method of producing open-celled metal structures  
A lost positive pattern comprising an open-pored plastics substrate containing pores with an average width of from one to three millimeters is used, in which, after a negative pattern has been...
5038847 Evaporable foam pattern for use in casting a crankshaft  
A pattern for use in casting a rotatable shaft, such as a crankshaft for an internal combustion engine. The pattern includes an evaporable foam pattern section composed of a material such as...
5035276 Evaporable foam pattern assembly for casting a housing for a rotary engine  
An evaporable foam pattern assembly for casting a housing for a rotary engine. The pattern assembly includes a central rotor chamber pattern section and a pair of end pattern sections which, in the...
5035275 Method of controlling the pyrolysis rate of a plastic foam  
The thermal shrinkage and pyrolysis rate of plastic foam moldings are successfully controlled by coating the expandable plastic beads used in the preparation of the moldings with varying amounts of...
5018568 Lost foam engine block pattern  
A lost foam pattern for an engine block includes a cylinder and an axially extending transfer passage defined by spaced side walls and an inner wall which is outwardly convex. The pattern further...
5014764 Lost-foam casting of aluminum under pressure  
An organic foam pattern of the article to be cast is immersed in a dry sand mold containing no binder, the mold is filled with molten aluminum or aluminum alloy which replaces the foam and...
5012857 Molding medium, method for making same and evaporative pattern casting process  
A molding medium and process for making it, preferably for use in the evaporative pattern casting process, is disclosed. The molding medium comprises, in one embodiment, a base granular molding...
5009260 Vacuum lift foam filled casting system  
A lost foam casting system (2) is provided with vacuum lift of molten metal (16) to an evaporative foam pattern assembly (8) surrounded by unbonded particulate media such as sand (6) in a flask...
5004037 Long span sprue tube for investment casting  
The tube is at least two inches long and has successive sections of progressively smaller diameters to produce a correspondingly shaped sprue passage communicating with a pattern cavity in a...
5000244 Lost foam casting of dual alloy engine block  
In a preferred embodiment, a compound aluminium alloy engine block casting comprises at least a piston-travel region of a cylinder wall section formed of a first alloy, preferably hypereutectic...
4995443 Process for evaporative pattern casting  
A method is disclosed for the casting of metals by the use of a consumable or evaporative pattern. In this method, a foamed pattern of a desired part is first formed. The pattern is then dipped...
4977945 Full mold comprised of a plastic foam material  
A full mold for casting contains a plastic foam material lost pattern. The plastic foam material is substantially sulfur-free and can advantageously be used to provide iron alloy-based full-mold...
4971135 Lost foam casting apparatus  
An apparatus comprising a batch hopper including a bottom wall having therein a plurality of openings, a plurality of walls dividing the batch hopper into a plurality of compartments each...
4971131 Countergravity casting using particulate filled vacuum chambers  
Particulate mold material, such as binderless foundry sand, is vacuumed upwardly from a particulate bed into an open bottom container about one or more gas permeable molds or destructible patterns...
4969505 Vacuum bore chill for lost foam casting  
A vacuum chill device is provided for reducing porosity in a bore wall of a lost foam metal casting. In a preferred embodiment, the chill device is attached to a vaporizable pattern formed of...
4966220 Evaporable foam casting system utilizing a hypereutectic aluminum-silicon alloy  
A method of casting utilizing an evaporable foam system with a hypereutectic aluminum silicon alloy. The molten alloy is introduced into a mold in contact with an evaporable foam pattern formed of...
4964454 Evaporable foam pattern for casting an air induction manifold  
An evaporable foam pattern for casting a metal air induction manifold for an internal combustion engine. The pattern is formed from an evaporable foam material, such as polystyrene, and in the...
4958674 Full mold casting process and device  
A full mold casting process in which a complete, positive model made of a thermally decomposable material is placed in a molding box and filled with sand; the sand is hardened by tamping it in....
Matches 101 - 150 out of 365 < 1 2 3 4 5 6 7 8 >