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7213634 |
Offset mold process
An offset mold process deflects a mold assembly being conveyed along a first path laterally of that path into engagement with a nozzle using a shuttle car. Molten metal is pumped into the mold...
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6684934 |
Countergravity casting method and apparatus
Countergravity casting of metals and metal alloys provides for melting of the metallic material under subambient pressure, evacuation of a gas permeable or impermeable mold under subambient...
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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...
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6499529 |
Centrifugal countergravity casting
Method and apparatus for countergravity casting a plurality of articles wherein a ceramic mold is provided having an upstanding riser passage and a plurality of mold cavities disposed along a...
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6467531 |
Method and apparatus for producing investment castings in a vacuum
A gravity pour vacuum casting method and apparatus providing uniform set-up provisions for gas permeable molds regardless of mold size, shape, or mold type employed in accordance with the present...
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6453976 |
Lost foam countergravity casting
A vaporizable refractory coated pattern assembly is formed having a sprue connected to a plurality of thin wall patterns of articles to be cast. The pattern assembly is supported in a refractory...
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6422293 |
Method and installation for low pressure die casting in a mould ceramic casting die
Placed in a box ( 1 ) is a ceramic shell ( 21 ) delimiting a casting space ( 22 ), the shell being surrounded by a mass of binder-free sand ( 23 ). The casting space is connected to a source ( 4 )...
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6311758 |
Suction casting method and suction casting apparatus
The first suction port is formed between a side die and the peripheral protrusion of an upper die. A release pin insertion hole is formed at the peripheral protrusion of the upper die which forms...
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6305460 |
Method for casting
In order to increase casting production during a filling of a mold from below, whereby an uptake for the casting mass is provided in the molding sand of the mold, immediately after the filling of...
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6276046 |
Molding method for bicycle metal frame
A molding method for bicycle metal frame, including the steps of: pouring a fixed amount of molten metal into a reservoir with the relatively light oxide membrane floating on the upper surface of...
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6257312 |
Preparation of metal-matrix composite materials with high particulate loadings by concentration
A composite material having less than about 25 volume percent refractory particles in a metal matrix is concentrated to have about 37-45 volume percent refractory particles. The concentrating is...
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6247521 |
Pressure difference control method for filling a cavity with melt
A melt filling pressure difference control method controls a pressure difference used to supply melt from a holding furnace to a cavity of a casting machine by generating a pressure difference...
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6148902 |
Multiple die casting machines with single vacuum source
A vacuum die casting system has three die casting machines connected to a single vacuum system, all of which is controlled by a programmable logic controller. The controller allows any two of the...
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6125914 |
Method for making a composite part with magnesium matrix by infiltration casting
A mold having a supply tube in a lower portion and in which has been placed a fibrous preform, is placed in a container. A crucible filled with magnesium blocks is placed under the mold. The...
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6070649 |
Method for pouring a metal melt into a mold
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6003586 |
Heat-sinking structures and electrical sockets for use therewith
A process of making a heat-sinking structure, which includes providing a mold having cavities closed at one end and open at another end, the cavities corresponding to the heat dissipating surfaces...
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5908065 |
Apparatus and method for squeeze casting
Squeeze casting of high integrity, near net shape castings is performed in a mould cavity defined by cooperating die parts which are movable with respect to each other and have a separation...
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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,...
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5842509 |
Application method of powder mold lubricant to vacuum die-casting mold and vacuum die-casting apparatus
An application method of a powder mold lubricant for a vacuum die-casting mold can effectively apply the powder mold lubricant onto a mold surface of the mold cavity with supplying the powder mold...
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5740854 |
Production methods of metallic glasses by a suction casting method
This invention provides a glassy metal-suction casting method capable of readily and conveniently producing a large-sized amorphous material with excellent properties as an amorphous material. Such...
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5738163 |
Levitation melting method and a levitation melting and casting device
A levitation melting method and device through which a material having various configurations can be melted through efficient induction heating. First, a starting material(WB), whose outer diameter...
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5706880 |
Vacuum casting method and vacuum casting apparatus
An apparatus and method for casting metal in an evacuated mold cavity. The apparatus has a preferential suction zone through which a mold can be preferentially and effectively evacuated and a...
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5620041 |
Vacuum casting apparatus and method using flange-free stalk
A vacuum casting apparatus secures gas tightness of the die cavity without welding together a straight-tubular stalk and a flange or flanges, thus permitting an excellent quality casting. A flange...
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5597032 |
Controlled method for injection casing using a mold under vacuum, especially intended for aluminium or magnesium alloys and device for carrying out said method
A device for injection casting includes a furnace within which is position a crucible, a bell mounted atop a table into which a mold is positioned and a tube interconnecting the crucible and the...
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5555925 |
Vacuum casting apparatus using flange-free stalk
A vacuum casting apparatus secures gas tightness of the die cavity without welding together a straight-tubular stalk and a flange or flanges, thus permitting an excellent quality casting. Two...
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5509458 |
Vacuum casting apparatus and method using the same
A vacuum casting apparatus of the invention in which a melt is introduced into a mold cavity under vacuum, comprises (a) a vacuum vessel having at least one opening at its bottom; (b) a mold...
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5492165 |
Machine for filling sand moulds with non-ferrous metals using a low pressure technique
The machine for filling moulds with metal to be cast, in which a casing is provided comprises a fixed body and a mobile body. The mobile body is driven by a cylinder. The casing can be provided...
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5462107 |
Vacuum casting method
In a vacuum casting method, a molding cavity is reduced in pressure to a vacuum, and when a gate is opened, a molten metal which has been raised to a molten metal retaining dome is charged into the...
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5431212 |
Method of and apparatus for vacuum casting
In a method of vacuum casting wherein when the molten metal previously introduced into a molten metal reservoir is fed into a cavity, the lowest head of the molten metal in the molten metal...
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5427170 |
Vacuum casting apparatus and method
A vacuum casting apparatus includes a plurality of pressure pins arranged in a molding cavity, and at least one pressure pin is located in a portion of the molding cavity farthest from a gate. The...
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5423369 |
Apparatus for and method of vacuum casting
In a method of vacuum casting molten metal sucked from a molten metal reservoir into a cavity held under a reduced pressure by opening a gate having been blocking the communication between the...
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5404928 |
Vacuum casting method
In a vacuum casting method, a mold cavity is reduced in pressure to a vacuum, and when a gate is opened, a molten metal which has been raised to a molten metal retaining dome is charged into the...
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5371937 |
Method for producing a composite material
A method of making a composite material in which a porous preform is produced by spray casting. An appropriate metal or alloy is caused to infiltrate the interconnected pores. This may be...
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5329981 |
Method of producing a metal mold
A method of producing a metal mold is disclosed. A heat resistant sheet is forcedly brought into close contact with a product configuration surface of a matrix such as a wooden pattern, a resin...
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5311918 |
Mold for and method of casting vehicle wheels
Cast vehicle wheels are formed with a re-entrant portion or lightening pocket beneath the tire bead retaining seat. The mold has movable side portions enabling the formation of the re-entrant...
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5303762 |
Countergravity casting apparatus and method
A method for the countergravity casting of a melt involves placing a refractory mold in a vacuum chamber defined within a casting box where the mold may be optionally surrounded by support...
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5299619 |
Method and apparatus for making intermetallic castings
The present invention involves a method and apparatus for making an intermetallic casting (e.g. a titanium, nickel, iron, etc. aluminide casting) wherein a charge of a solid first metal protected...
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5275226 |
Method and apparatus for casting
A porous preform is placed in a nonporous mold chamber of a pressure vessel. A material is placed in a crucible of the pressure vessel. The pressure vessel is evacuated through a snorkel...
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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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5230379 |
Countergravity casting apparatus and method
A vacuum-assisted countergravity casting apparatus 10 includes a casting mold 14 disposed on a cheek mold member 28 and supported within a vacuum box 40. The mold 14 includes bottom feed gates 24...
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5215140 |
Method of making a heat sink
A process of making a heat sink which includes providing a mold having at least one cavity corresponding to the shape of the article, at least partially evacuating ambient gases from the cavity of...
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5193607 |
Method for precision casting of titanium or titanium alloy
Precision casting of titanium or titanium alloy includes establishing molten metal by induction heating in an assembly formed with water cooled copper segments disposed circlewise on the inside of...
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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...
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5174356 |
Casting apparatus
Casting apparatus for the vacuum-assisted casting of a melt includes a vacuum box defining a vacuum chamber and a gas permeable casting mold having a first mold portion confronted by the vacuum...
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5161604 |
Differential pressure, countergravity casting with alloyant reaction chamber
A casting mold includes an ingate for engaging an underlying source of the melt, an upstanding alloyant-containing reaction chamber having an upper region communicated to the ingate, and an exit...
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5146973 |
Countergravity casting method and apparatus
Method and apparatus for the differential pressure, countergravity casting of molten metal in shortened cycle times into a casting mold having an inlet passage-forming collar that provides a dam to...
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5113924 |
Method of casting wear-resistant, cast iron machine element
A wear-resistant cast iron rocker arm or similar machine element is formed by differential pressure, countergravity casting an iron melt of low superheat into a ceramic investment shell mold...
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5111871 |
Method of vacuum casting
A porous preform is placed within a permanent, nonporous, thin walled mold chamber. The mold chamber is disposed within a pressure vessel. A material is placed in a crucible of the pressure vessel....
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5088546 |
Vacuum-assisted counter gravity casting apparatus with valve to prevent flow of melt from mold
Casting apparatus for the vacuum-assisted, countergravity casting of a melt comprises a porous, gas permeable casting mold including a mold cavity and a melt inlet communicating the mold cavity to...
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5070930 |
Countergravity casting apparatus
Casting apparatus comprises a casting mold including first and second elongated pick-up ledges on first and second upstanding mold sides and a mold pick-up mechanism having first and second...
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