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6860315 |
Green sand casting method and apparatus
An apparatus and method for casting metallic components is disclosed. The apparatus has a vertical parting line and a gate configuration which reduces defects within the cast components.
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6619373 |
Lost foam casting apparatus for reducing porosity and inclusions in metal castings
Apparatus for the gravity-cast, bottom-fill, “lost foam” casting of metal castings, including a fugitive, pyrolizable pattern (for forming a casting cavity), and a hollow sprue (for conducting...
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6450236 |
Method of ascending casting in casting cavities, and casting mould or mould part for use when carrying out the method
A method of ascending casting in a casting cavity where filling from the bottom results in a region of reduced pressure formed during the cooling in which solidification can be expected to take...
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6223806 |
Apparatus and method for bottom casting of molten steel
A bottom casting apparatus comprises a pouring pipe, a stool, molds, and runners, wherein the runner satisfies the following equations (1) and (2) and a gap formed between a side wall of a groove...
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6199619 |
Arrangement of an ingate system with feeding reservoir for feeding castings, and a method of making such a system
In an arrangement of an ingate system with feeding reservoir for feeding castings, preferably in moulds with pouring form the bottom (ascending casting), with which ingate system at least a feeding...
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5836373 |
String mould plant including arrangement for preventing shrinkage voids in metal castings
In a string of molds (32) with vertical parting surfaces, each mold cavity (35) is connected through a wide throat with its own after-feeding reservoir (36). When the mold has been poured, a gas...
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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...
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5271451 |
Metal casting using a mold having attached risers
Apparatus and method for countergravity casting a melt employs a particulate mass disposed in a container about a mold having a mold cavity, an ingate passage communicated to the mold cavity for...
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5263533 |
Mold for producing thin wall castings by gravity pouring
The mold formed of resin-bonded sand includes a vertical sprue in fluid flow communication with a horizontal chamber reservoir underlying the mold cavity defining the thin wall structure. The thin...
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5234047 |
Mould for casting components
A ceramic shell mould (70) for casting a single crystal turbine blade comprises a plurality of article portions, (72), each of which has an article chamber (74) for defining the shape of a turbine...
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4989665 |
Casting mold for a hollow member
A casting mold is provided for a body frame for a motorcycle including a head pipe for supporting a rotary shaft for a handle, a pair of left and right main body frame elements, connected to the...
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4832111 |
Process for casting molten metal
Molten metal is poured from a melt container to a mold cavity defined by a molding material wherein the molding material in the region of the runner gate is of a higher density with respect to the...
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4802527 |
Apparatus for casting molten metal
Apparatus for casting molten metal including a mold for casting molten metal having a base portion, a molten metal inlet located at the base portion, a filter positioned across the molten metal...
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4745962 |
Countergravity casting apparatus
Apparatus for the shaping of metal in a bottom-gated mold by the vacuum-induced countergravity casting method including an upstanding levee on the periphery of the drag and circumscribing the...
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4736788 |
Gating apparatus
A bottom circular tray, a circular top cap and one or more circular disks are coupled thereto, the disks, the top cap and the bottom tray having a common central sprue or cylinder. The plurality of...
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4651799 |
Vented casting molds and process of making the same
The mold body contains a cavity and at least one vent passage for venting gas from the cavity through the body. The vent passage has a portion of predetermined regular shape extending part-way...
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4630667 |
Coated refractory shapes useful in bottom pouring of ingots in ingot molds
Refractory shapes such as tubular tiles and tubular runners are provided with a novel graphite interior coating penetrating the refractory and forming with the refractory a lining that resists...
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4607680 |
Method and mould for casting metal articles
A method for moulding multiple castings in which each mould is fed from a source of molten metal through a thin slit the width of which lies in the range 1.25 mm down to 0.25 mm. The cast articles...
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4606396 |
Sand mold and apparatus for reduced pressure casting
Casting metal in rigid, self supporting, gas permeable molds with one or more mold cavities for molding one or more parts, in which the mold cavities have gate passages with their lower open ends...
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4532976 |
Gas permeable metal casting mold having gas collection voids
Unitary, rigid, self-supporting, gas permeable, low temperature bonded, sand grain molds having peripheral side surfaces extending between vertically spaced upper and lower surfaces with mold...
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4516621 |
Mould assembly for casting metal articles
In a mould assembly for multiple castings each mould is fed from a source of molten metal through a thin slit the width of which lies in the range 1.25 mm to 0.25 mm. The cast articles can be...
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4506813 |
Tubular assembly, method of preparing the assembly, apparatus for uphill teeming which incorporates the assembly and method of casting metal
Guide and runner assemblies for uphill teeming comprise a refractory tube in a sheath with an optional body of particulate material between the inner tube and sheath. The sheath may be combustible.
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4456417 |
Method and apparatus for aligning, supporting, and transporting hollow cylinders
Method and apparatus are provided for loading, in stepwise fashion, hollow cylinders on a recumbent positioned mandrel, for retaining the cylinders on the mandrel during transfer for vertical...
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4452296 |
Aluminum-diffusion coated steel pipe gating system
An aluminum-diffusion coated steel pipe having an aluminum-coated layer on at least the inner surface of the steel pipe to be in contact with molten metal is used as a gating pipe system in a...
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4356994 |
Holloware for uphill teeming
The invention relates to the units of a pouring system for uphill teeming. Conventionally, such units are formed by a pouring trumpet having a two-part heavy duty iron casing, and by runners set in...
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4300617 |
Pattern assemblies
In the art of investment casting, a refractory mold characterized by a casting system including a sprue passage, a cup at one end of the sprue passage, a runner extending from the cup and...
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4266595 |
Use of mold venting practices in green sand molding for odor reduction
A method of reducing odors resulting from a ferrous metal molding operation is disclosed. A green sand molding mixture is employed having 1-2% by weight volatile organic material. The mold is...
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4250946 |
Method for producing ingot mold stools
Cast iron ingot mold stools having exceptionally smooth flat surfaces and a longer average life are produced by casting such stools in a mold, the inside of which is formed by rigid thermal...
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4205721 |
Apparatus for filling a casting mold
A filling apparatus includes a melt container with a bottom outlet spout and an interior closure plug. In certain embodiments the spout has a conical end. A casting mold has a pouring gate and...
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4156450 |
Foundry machine and method and foundry mould made thereby
A machine for forming foundry moulds includes a turret supporting spaced mould frames, each of the latter having a mould portion formed therein by rotation of the turret toward a sand filling and...
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4133371 |
Casting
A mould assembly for producing multiple castings in which a plurality of mould components are closely arranged together in an array and define a plurality of mould cavities. At the base of the...
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4111254 |
Metal casting method
A high melting temperature metal, casting mold is made of sheet metal embedded in a supporting mass of refractory particles preventing deformation of the sheet metal under the weight of the cast...
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4089364 |
Mold having integral preformed gating system
The present invention describes a preformed, multi-part casting mold having a preformed gating system integral therewith for providing smooth, bottom feeding of molten metal to the mold cavity...
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4040468 |
Method and apparatus for introducing additives into a casting mold
An apparatus for introducing additives into molten metal being poured through a flow path and into a casting cavity of a casting mold includes a wire feed mechanism for feeding a wire of additive...
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4037643 |
Nodularizing treatment employing unitized modifying agent
A method and apparatus is disclosed for conditioning a charge of molten cast iron, which would normally solidify with a flake graphite structure, to produce partial or total spheroidal graphite...
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3971433 |
Apparatus for molding cast iron parts containing spheroidal graphite
Apparatus for molding, by inoculation, cast iron parts requiring a spheroidal graphite texture, includes a mold containing the impression of the item to be cast and a treatment chamber, situated...
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3929184 |
Apparatus for producing blank metal ingots of uniform cross section and in particular steel ingots
Blank metal ingots particularly steel of uniform weight per piece and cross section are formed with a mold which is made up of a plurality of superposed vertical sections which together define an...
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3926245 |
Method for producing directionally solidified cast alloy articles and apparatus therefor
A method of producing directionally solidified cast alloy articles wherein a porous shell mold having a bottom fill cavity is positioned within an exothermic mass and over a chamber located over a...
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3905419 |
Device for rise casting into a mold
A device for rise casting into a mold is provided with an upwardly extending casting nozzle connectable with the ingate of a mold arranged horizontally movable above the casting nozzle and wherein...
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3901473 |
Apparatus and method for casting composite cast rolls
A device for casting composite cast rolls includes a vertically elongated mold having a top opening and a filling funnel connected into a tangential bottom inflow passage for the shell material and...
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3897817 |
Sand casting mold
An improved sand casting mold having a pair of separable mold elements is provided with a casting chamber which is offset from a main parting plane along which the mold elements are joined with the...
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3882942 |
Mold modifications for eliminating freckle defects in roll castings
A composite mold for casting a roll having a metal chill at the terminus of the lower journal portion. This improved apparatus is particularly useful in eliminating subsurface defects, known as...
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3877141 |
Method for making brake shoes
A method of making a brake shoe having a curved table section and at least one rib section disposed on the concave side of the table section, generally including casting the brake shoe in a mold...
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3865177 |
Method of bottom-casting ingots
A method and system for bottom-casting ingots, slabs and the like, in which the moulds are positioned above the discharge orifices of runners extending vertically from communicating mould supply...
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3752212 |
METHOD OF FORMING CASTINGS OF DIFFERENT METALS
A second and different metal may be cast onto the solidified free surface of an otherwise still molten first cast metal which partially fills a mold cavity in such a way that said solidified...
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3746078 |
GATING SYSTEM FOR INTRODUCING ADDITIVES TO MOLTEN METAL
A gating system which includes a treating basin for treating molten metal such as cast iron with additives such as a nodularizing agent. Molten metal is introduced into the basin by way of a...
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3703922 |
PROCESS FOR THE MANUFACTURE OF NODULAR CAST IRON
The invention relates to a casting process for the production of castings of nodular cast iron. Molten flake iron is poured into the casting mould by way of an intermediate cavity which contains...
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3608617 |
ART OF MAKING PRECISION CASTINGS
A method for casting in a founding flask in which molten metal is continuously poured below the surface of the previously added molten metal through a heated funnel which extends to the lower...
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3598175 |
APPARATUS FOR CASTING METAL SLABS AND BILLETS
The present invention discloses a mold wherein molten metal is introduced to a riser communicating with the mold so that the level at which the molten metal flows into the mold is progressively...
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3515205 |
MOLD CONSTRUCTION FORMING SINGLE CRYSTAL PIECES
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