Matches 151 - 200 out of 365 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
4951733 Evaporable foam pattern for casting an engine block of a two-cycle engine  
The assembled evaporable pattern, which is substantially identical in shape to the cast metal two-cycle engine block, includes a plurality of in-line cylinders each having an end open to the...
4947923 Method and apparatus for evaporative pattern casting  
The method and apparatus are based on the use of a casting process in which expendable patterns are made of a low density material, then evaporated by molten metal as the metal advances into the...
4942915 Process for production of a hollow casting  
A casting pattern and process for producing a hollow casting. The casting pattern has a foamed material body and can be constructed to prevent seams or fins from forming at points which are...
4940072 Removing pattern material from investment casting molds  
Pattern material, such as wax, is removed from an investment casting mold by vapor phase-condensation heating with a fluorochemical boiling at a temperature above the melting point of the pattern...
4930781 Constant resonant frequency golf club head  
A metallic golf club head formed with a one-piece thin-walled forward body including a ball striking face, a perimeter wall having a uniform rearward depth and a hosel, and a rear cover that...
4907638 Evaporable foam pattern for use in casting a cylinder head  
An evaporable foam pattern for producing a cast metal head for a multiple cylinder engine. The assembled pattern includes an elongated block of evaporable foam material having opposed inner and...
4899799 Helical compressor and method of making same  
A helical compressor having hollow male and female rotor components of the type used as a supercharger for an internal combustion engine. The compressor is provided with a manifold plate which...
4898635 Method and apparatus for bonding parts of disappearing model used for casting  
A method and an apparatus for bonding parts of a disappearing model used for casting. This method comprises placing portions of parts of a disappearing model to be bonded so as to oppose each other...
4891876 Method of making pump impeller by lost-foam molding  
A method of casting a water pump impeller which initially includes the formation of a foam pattern incorporating a former which remains as a part of the impeller, the foam pattern being used to...
4880047 Lost foam transfer passage cavity construction  
Disclosed herein is a die member for forming a lost foam pattern for casting a cylinder block having a cylindrical bore with an axis and a helical transfer passage including a first portion...
4877078 Pattern for use in lost pattern foundry process  
The present invention contemplates a new plastic foam material which may be used to fabricate patterns for use in the Full Mold or Lost Pattern Foundry Process. Moreover, the present invention...
4875517 Method of producing salt cores for use in die casting  
A pattern, identically proportional in configuration to the salt core to be produced, is initially formed from an evaporable foam material. The evaporable foam pattern is positioned in a mold and...
4874031 Cantilevered integral airfoil method  
A method for producing an outer stabilizing band or bands at the unsupported end portion of the air foils changes the configuration from an unsupported cantilevered airfoil to a baband supported...
4874029 Countergravity casting process and apparatus using destructible patterns suspended in an inherently unstable mass of particulate mold material  
A countergravity casting process involves holding an inherently unstable mass of particulate mold material in an open bottom container around a destructible pattern therein by exerting external...
4872500 Method of manufacturing a tool  
A method of manufacturing a composite chip-removing tool which includes a tool body of a material which is in its molten state above a predetermined melting temperature, and at least one tipping...
4865112 Method of casting metals with integral heat exchange piping  
A method for casting molten metal in a mold having integral heat exchange piping. A mold is provided around a pattern, which may be either the disposable or permanent kind. Heat exchange piping is...
4858671 Method and apparatus for accelerating metal solidification  
Molten metal is poured in an open top basin that communicates via a sprue with a cavity or expendable pattern in a mold to fill the cavity and partially fill the basin. After the casting metal has...
4854367 Refractory compositions and evaporative pattern casting process using same  
An improved expendable pattern casting process and an improved refractory composition for coating expendable patterns used in the process comprising substantially spherical refractory material and...
4854369 Apparatus for surrounding a foam pattern cluster with sand  
An apparatus for surrounding a mold pattern in a mold flask with sand, the apparatus comprising a plurality of generally vertically extending tubes, a mechanism for securing the pattern to the...
4854368 Lost foam casting method  
In a lost foam investment casting process, the foam pattern is vacuum evaporated from the mold prior to pouring the metal.
4848439 Method of countergravity casting  
In the mold-immersion type countergravity casting method, a resin-bonded particulate mold is formed in-situ in the vacuum chamber used to draw melt into the mold by: providing the chamber with a...
4842037 Metal casting patterns  
A metal casing pattern of expanded thermoplastics material such as polystyrene or polymethyl methacrylate has a filter comprising a porous ceramic body, such as a body having pores extending from...
4828006 Lost foam pour box and lost foam casting process  
An improved lost foam pour box and lost foam casting process wherein the improvements are positioning one or more fluid permeable separators, such as well points, within the contained volume of the...
4819711 Compactability and permeability control for fabricating ECP mold  
A method of controlling, during the act of mold fabrication in real time, the compactability and permeability of a sand mold containing an evaporative foam pattern, comprising: (a) while agitating...
4809762 Method of casting a composite metal article  
A cast-in member and a heating member are set in a mold with the cast-in member being in the vicinity of the heating member. Molten metal is poured through an ignition runner into contact with the...
4804032 Method of making metal castings  
Method of and apparatus for making metal castings using a polystyrene pattern 10 embedded in unbonded sand 20 which is consolidated to form a mould M in which is defined a mould cavity C. Molten...
4785870 Evaporative pattern casting process  
An improved expendable pattern casting process and an improved refractory composition for coating expendable patterns used in the process containing substantially spherical refractory material.
4784206 Sand vibration and compaction apparatus and method  
A compaction unit (12) having a frame (14) resiliently mounted to a rigid support (10), the frame rigidly supporting a molding flask (24) therein, and having at least one pair of synchronized...
4781721 Bone-graft material and method of manufacture  
This invention relates to bone-graft material or implant and to the method of producing the same, for the replacement of animal and human bones and bone parts. The material or implant comprises a...
4779324 Methods for fabricating concrete panels with embedded glass block  
Methods are set forth for fabricating a concrete panel with embedded glass block. According to the invention the panel form includes at least one partially anchorable support form, i.e., a support...
4777997 Evaporable foam pattern for cylinder block of a two-cycle engine  
The pattern comprises an engine block component having at least one generally cylindrical internal wall that defines a cylinder. A head encloses one end of the cylinder while the opposite end of...
4773466 Process for preparing polycarbonate copolymer foam suitable for lost foam casting  
The evaporative casting of molten metals has been shown to produce castings having smooth surfaces without any sign of carbon deposits thereon by using a copolymer polycarbonate prepared from...
4769902 Thermal fuse  
A thermal fuse is formed by a conductive path formed in a ceramic body, the path being of a fusible alloy. A ceramic substrate and a ceramic cover, both in green form, are fused together with...
4768567 Sand fill apparatus for lost foam casting  
An apparatus for filling an open-top foundry flask with discrete refractory particles by pluviation to embed an expendable pattern to form a lost foam casting mold comprises conduits for directing...
4766942 Evaporative pattern assembly and method of making  
An apparatus is disclosed for an evaporative pattern assembly for metal castings and associated cast metal feeding, the assembly comprising: (a) a central upright sprue; (b) a plurality of sprue...
4763715 Process for preparing polycarbonate terpolymer foam suitable for lost foam casting  
The evaporative casting of molten metals has been shown to produce castings having smooth surfaces without any sign of carbon deposits thereon by using a terpolymer polycarbonate prepared from...
4736786 Method for improving stength of gasifiable patterns  
A core assembly is formed by molding a destructible plastic form in abutting relation to a rigid bonded core. The core assembly can be used for casting large or long and thin castings. The rigid...
4733713 Plastic pattern casting system and method of casting  
A production casting line includes a foam pattern former producing destructible foam patterns for the forming of cast parts. A pattern clusters inventory station is provided immediately adjacent to...
4724891 Thin wall casting  
An article having a thin wall portion with a thickness of 0.050 of an inch or less, and a surface area of at least 16 square inches is cast as one piece. A mold for the article has a pair of...
4724889 Degating technique for clustered castings made by ECP  
A method is disclosed of degating clustered metal castings produced by ECP in which molten metal is gravity poured into a dry, unbonded sand mold for solidification, the mold containing a plurality...
4721149 Lost foam casting system with high yield sprue  
A lost foam casting system (2) includes a sprue (8) have a receiving portion (56) for receiving molten metal (14) from a source (16), a distribution portion (58) with a plurality of radial fingers...
4712605 Process for producing hollow cast article  
A process for producing a hollow metal cast product having a desired interior contour is provided. The process comprises the steps of preparing a first lost model having an outer contour...
4711289 Casting method and apparatus  
A flask is filled with a heat resistant filling material, such as sand, to embed therein a pattern of the type which melts down and generates combustible gas when it is heated, a runner connected...
4711287 Casting method  
A consumable pattern of an expanded polyolefin resin and a bulk density of 0.025-0.012 g/cm 3 is embedded in a mold body, a gating system leading to the pattern is formed in the mold body, and...
4711288 Halide treatment for aluminum lost foam casting process  
Casting aluminum by a lost foam process is improved by treating the metal during pattern replacement with a halide salt flux to inhibit formation of oxide fold defects. A preferred flux comprises a...
4706732 Bore chill for lost foam casting pattern  
A chill device for combination with a vaporizable pattern for casting metal by a lost foam process comprises a chill body receivable within a bore of the pattern and including a plurality of...
4705092 Manufacturing method for an integral type crankshaft bearing cap  
A method of manufacturing an integral type crankshaft bearing cap for an internal combustion engine. The integral type crankshaft bearing cap comprises crankshaft bearing caps spacedly arranged in...
4694879 Process for producing castings  
A process for production of castings is provided employing patterns combining gasifiable pattern parts, for the creation of nonconforming contours, with reusable pattern parts. After molding, only...
4693292 Casting of metal articles  
A method of casting metal articles by feeding molten metal upwardly against the force of gravity from a source of molten metal into a mould cavity where the metal is permitted to solidify within...
4691754 Method for forming castings having inserts  
A core assembly is formed by molding a destructible plastic form around at least one insert and optionally around a non-destructible core. The core assembly can be used, for example, for casting...
Matches 151 - 200 out of 365 < 1 2 3 4 5 6 7 8 >