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8128726 |
Method and device for admixture of powder in a liquid
A method and a device for admixture of powder in a liquid, whereby the method comprises that the liquid in a supply (14), influenced by underpressure in a crucible (12) to which the liquid is to be...
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7377303 |
Die casting machine and casting method by thereof machine
The present invention relates to a die casting machine. A molten metal (melted liquid) is supplied into a evacuated casting space that is formed by a combination of a movable mold and a fixed mold....
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7017649 |
Die casting machine and casting method
A die casting machine obtain to obtain a suitable reduced pressure and reliably prevent the entry of molten metal into a valve when reducing the pressure in a cavity and injecting and filling it...
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6935405 |
Sink compound laminate modeling process
A sink compound laminate molding process having a copper material in thickness of 0.1-0.8 mm placed at the bottom of the molding cavity with the bottom of the copper laminate fully bound to the...
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6830079 |
Integrated apparatus and method for filling porous composite preforms
A method and apparatus for filling preforms with resin or slurry includes a tank for holding the slurry and an autoclave for holding the preforms. The tank and autoclave have a common vacuum system...
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6776219 |
Castable refractory investment mold materials and methods of their use in infiltration casting
Methods and materials for preparing investment molds useful in pressure infiltration casting of near net-shape metal or metal matrix composite (MMC) components. One embodiment of the invention...
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6666254 |
Method for the uphill casting of cast pieces in sand moulds with controlled solidification
A method is described for uphill casting in sand molds with high-resin casting cores or especially casting cores containing binders, and with directed solidification of metallic castings that have...
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6648054 |
Die casting method and die casting machine
The present invention provides a die-casting method comprising the steps of evacuating a cavity 30 defined by dies of a die-casting machine to provide therein a vacuum of 100 millibar or less...
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6425433 |
Die casting vacuum apparatus
An apparatus to inject molten material into and evacuate gasses from a mold cavity, including a pair of ganged pistons in communication with the mold cavity. An injection piston injects molten...
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6360809 |
Methods and apparatus for high throughput pressure infiltration casting
Disclosed are economical methods and apparatus for high throughput pressure infiltration casting. Methods of the invention use a mold vessel as an evacuation chamber along with an evacuation cap to...
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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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6209616 |
Vacuum-assisted, gravity-fed casting apparatus and method
This invention relates to metal casting apparatus, methods and molds and more particularly to the casting of metal in refractory, gas-permeable, shell-type molds which are lighter and have thinner...
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6148899 |
Methods of high throughput pressure infiltration casting
A mold cavity in a mold vessel is evacuated. A charge of molten infiltrant is transported into the mold vessel while the vacuum is maintained in the mold cavity. Pressure is applied to the molten...
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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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6125911 |
Method and apparatus for manufacturing die-castings
The apparatus includes a diecasting mold and evacuation elements for the controlled evacuation of a mold cavity. The evacuation elements includes a vacuum tank and a suction line interconnecting...
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6123142 |
Method of molding articles to minimize shrinkage and voids
Molten material is elevated into a mold cavity and subsequently pressure is brought to bear on the molten material in the mold cavity substantially immediately to solidify the molten material under...
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6070649 |
Method for pouring a metal melt into a mold
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6070643 |
High vacuum die casting
A metal or alloy is melted in a vaccuum chamber disposed about an end of a shot sleeve. The opposite end of the shot sleeve is communicated to a die cavity between first and second dies which are...
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6070644 |
Investment casting using pressure cap sealable on gas permeable investment mold
A gas permeable ceramic investment mold is disposed in a casting chamber and filled with melt to be solidified via a mold melt inlet, such as for example a mold pour cup adapted to receive the melt...
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6035922 |
Method for manufacturing a casting and apparatus therefor
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6024158 |
Process for manufacturing diecast parts
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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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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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5746267 |
Monolithic metal matrix composite
Metal matrix composites are manufactured in a vacuum die casting machine. Solid aggregate material is placed in a die, the die is evacuated, and molten metal is driven by a piston to infiltrate the...
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5460218 |
Method for discharging gas out of metal molds and apparatus therefor
A method and apparatus capable of continuously discharging contaminated gas out of metal molds, the gas being generated prior to the casting step and including moisture. A gas vent valve is...
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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.
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5348073 |
Method and apparatus for producing cast steel article
The apparatus for producing a cast steel article has a permeable mold having a cavity, a sprue and at least one rise/run-off portion, and a vacuum apparatus, the permeable mold being provided with...
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5335711 |
Process and apparatus for metal casting
Cast components having reduced porosity levels are produced by pouring a molten metal into a mould which is in a first chamber, and withdrawing the filled mould into a second chamber. The second...
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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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5318093 |
Method and apparatus for investment casting
In an improved method and apparatus for investment casting, a pattern (31) is mounted on a sprue base (19) of an spider gasket (12) that is secured to one end of a standard investment flask (11). A...
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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...
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5219409 |
Vacuum die casting process
The process calls for testing and monitoring the pressure levels in different parts of the die casting apparatus during a casting operation, including the die cavity itself and in positive and...
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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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5199480 |
Sealed shot sleeve for vacuum die casting
The apparatus has a generally cylindrically shaped rotating collar for sealing the chamber after casting material has been poured into it. The apparatus has a slidable plunger mechanism with an...
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5092390 |
Method and mold for sand casting varying thickness articles
Molten metal is cast in a cavity formed within a permanent, metal mold. The major portion of the cavity is lined with a sand liner whose thickness is reversely correlated to the thickness of the...
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4951732 |
Traverse drum manufacturing method
An iron metal traverse drum having extremely thin walls is formed by instantaneously injecting a molten metal into a limited cavity of a mold having a form corresponding to the traverse drum in an...
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4832112 |
Method of forming a fine-grained equiaxed casting
A method of forming a fine grained equiaxed casting by melting metal and removing most of the superheat of the molten metal. The molten metal is placed in a mold and optionally subjected to...
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4612968 |
Method of casting using expendable patterns
A method of casting a metal article in a mould box comprises locating an expendable pattern in the box, the pattern having a gas permeable refractory coating thereon, placing and compacting...
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4586560 |
Die-casting method and apparatus
A die-casting apparatus is used to carry out a die-casting method in which an injection plunger is moved forwardly at a lower speed and then is temporarily stopped at a forward stroke intermediate...
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4541475 |
Method of, and apparatus for, producing castings in a vacuum
Apparatus for casting in a vacuum has a single evacuable furnace chamber 10 in which the charge melting and mould heating takes place. The charge is melted in a crucible 24 by an induction coil 20,...
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4512383 |
Die casting process and apparatus therefor
A vertical pressure die casting apparatus comprising a stationary member, an air-permeable die detachably mounted on the stationary member and formed with a cavity including a downwardly open...
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4476911 |
Diecasting method for producing cast pieces which are low in gas, pores and oxides, as well as diecasting machine for implementing the method
A diecasting process for producing cast pieces for metals or their alloys by means of a horizontal cold chamber diecasting machine. The diecasting machine includes a diecasting mold held under a...
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4402743 |
Consumable molding process for super alloys
A method of preparing a charge of super alloy material for use in metal casting is disclosed. Thin wall tubes consisting of one of the metallic elements of the alloy material, or an alloy of such...
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4340108 |
Method of casting metal in sand mold using reduced pressure
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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4287931 |
Vacuum-forming procedure in metal casting
The invention relates to metal casting employing a pattern in a sand mold. A thin film of translucent thermoplastic is coated with finely divided graphite and then superimposed on the pattern with...
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4222429 |
Foundry process including heat treating of produced castings in formation sand
Castings are produced in a bed of production sand susceptible to both fluidizing and vacuumizing. The use of a vacuum at the time the molten metal is poured permits the use of thin shell molds made...
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4157109 |
Method for manufacturing a mold for metal casting
In manufacturing of a mold for metal casting via the vacuum molding process, the cover for the original pattern is made of a synthetic film including, at least partly, ionomer resin component and,...
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4154283 |
Production of improved metal alloy filaments
Metal alloy filaments having improved surface characteristics and enhanced mechanical properties are extracted from a source of molten metal alloy using a quenching wheel in a partial vacuum.
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4129164 |
Vacuum forming or reduced-pressure moulding
In a method for reduced-pressure mould production, a plurality of mould flasks are simultaneously evacuated by evacuating means, and in which production of the moulds is carried out while moving...
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4088175 |
Vacuum-fed centrifugal casting machine
A centrifugal casting machine includes a plurality of split centrifugal molds which are successively brought to a casting station in which the molds are closed, clamped together and rotated rapidly...
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