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8071664 |
Compositions containing certain metallocenes and their uses
Compositions comprising (1) a refractory and/or a binder, and (2) bis-cyclopentadienyl iron cyclopentadienyl manganese tricarbonyl, derivatives thereof, and mixtures thereof.
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7438119 |
System for heat treating castings and reclaiming sand
A system for reclaiming sand from a casting process includes a chamber having an inlet, an outlet, and a plurality of baffles defining a circuitous path for the sand therebetween, a heating element...
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7290583 |
Methods and apparatus for heat treatment and sand removal for castings
A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are...
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7284593 |
Method and device for evacuating drainage water in the inner arc of beam blank casting machines
The invention relates to a method for collecting and evacuating run-off water from the inner arc of the strand guide (8) of a beam blank casting machine, according to which the cast strand (2) is...
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7252134 |
Method and apparatus for removal of flashing and blockages from a casting
Various systems and apparatuses for processing a metal casting are provided.
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7147034 |
Reclamation treatment of bonded particulates
Apparatus for use in reclaiming particulate material from bonded particulate material comprises an outer compartment arranged substantially concentrically about an inner compartment, means in one...
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7140418 |
Method and device for the evacuation of casting wastes
A continuous metallic strip casting plant comprising an ingot mould, a device for the evacuation of casting wastes formed by a trolley which can host two chests. The trolley is located below the...
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7073557 |
Method of drying a sand mold using a vacuum
A method of drying a sand mold mixture containing moisture includes restraining the sand mold mixture and exposing the sand mold mixture to a vacuum. The vacuum flashes off the moisture within the...
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7011133 |
Molten aluminum filtration
A filter material for molten aluminum, the material subsequently dissolvable in molten aluminum to recover aluminum captured therein.
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6929670 |
Sand separating apparatus for a thermal sand removal oven
An apparatus for the separation of sand from an air stream in a thermal sand removal oven is disclosed. The preferred embodiment of the apparatus comprises a plurality of members comprising two...
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6926063 |
Method for conditioning foundry moulding sand and a device therefor
A method for conditioning cooled used moulding sand retaining moulding sand binder in a mixer (1), wherein the cooled used moulding sand is heated to at least a minimum temperature, moisturized by...
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6923239 |
Casting method and apparatus
The use of green sand is eliminated by replacing green sand molds with all core sand assemblies that provide, during casting, both the internal and external surfaces of a casting, such as a...
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6920911 |
Foundry sand with oxidation promoter
Sand mold for shaping molten metal cast into the mold. The mold includes sand, a thermally oxidizable polymer amongst the grains of the sand, and a catalyst coating on the gains for promoting the...
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6901990 |
Method and system for processing castings
A method and system of processing castings is provided in which one or more castings are deposited into a mobile furnace and moved from one station to another of a multi-station casting processing...
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6860313 |
Method and device for the preparation of foundry sand
A device for preparing moulding sand. The device includes a mixer configured to operate under at least a partial vacuum and at least one feeder to introduce components to be mixed. An inlet in the...
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6725899 |
Apparatus for and method of reclaiming molding sand
Disclosed are an apparatus for and a method of reclaiming molding sand capable of increasing a recycling efficiency of used molding sand and of highly enhancing the purity of a reclaimed molding...
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6712119 |
Collected sand processing method
A method and apparatus are provided to process collected sand. This method and apparatus allow the moisture content to be adjusted and the addition of a binder to be facilitated to renew the...
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6691765 |
Products for the manufacture of molds and cores used in metal casting and a method for their manufacture and recycle from crushed rock
A system and method for producing foundry quality sand from non-conventional starting materials through the combination of oolitization and classification. Incoming particulate matter is first...
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6595267 |
Liner lock key for tumbler liner segments
A tumbling unit such as a casting shake-out unit, rotary media drum, sand reclaimer or the like, is provided. The tumbling unit includes a cylindrical outer shell and a cylindrical inner shell. The...
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6591891 |
Method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite
Given green sand is obtained by a mixing operation that is carried out for a short period of time. Discarded sand is supplied as supplementary sand to a sand processing line, so that molding sand...
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6554050 |
Iron alloy casting method and apparatus
Irregularly shaped mold-core assemblies are retained for casting within a thin-wall container by solid particulate material. In the process, the mold and core elements are formed from the core...
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6554049 |
Process for recovering sand and bentonite clay used in a foundry
Sand, bentonite clay and organics recovered as foundry waste from a green sand mold foundry are reclaimed for reuse in making new green sand molds and mold cores by a multi-step process involving...
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6523597 |
Recovery method of compact disc
A recovery method of a compact disc includes the steps of: crushing a compact disc; b) placing the crushed compact disc into a stripping solution, so that the metallic layer is separated from the...
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6516863 |
Foundry sand
Apparatus and methods for preparing foundry sand mixes, using a pre-mix tank to pre-mix water and particulate bond material to make a water/bond slurry, then feeding the slurry to a mullor or other...
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6505670 |
Method for injection molding metallic materials
A method for injection molding a metallic material is disclosed in which an injecting material comprised of a half-solidified metallic material and a molten metallic material is injected into a...
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6467529 |
Apparatus for removal of sand from metal castings
The removal of bonded sand, either core sand or mold sand, from a metal casting comprises placing the metal casting in a furnace chamber and subjecting the metal casting to the action of a high...
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6431253 |
Method of recovering and refining filler from a lost wax composition
When a waste wax composition containing a filler is treated so that the filler is recovered and thus reclaimed, almost all the impurities coming from the lost wax casting mold may be removed,...
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6401798 |
Rotating drum for reclaiming molding sand and molding sand reclaiming apparatus
A molding sand reclaiming apparatus comprising an agitation tank which is provided with a fluidized bed at the inner bottom thereof and also provided with a charging port for used sand and a...
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6383263 |
Device intended for mechanical separation of high-temperature sand present in a gas stream
A process for separation of solid particles of wide grain size distribution present in a turbulent gas stream includes, first, removal of the coarser particles in a separation chamber (1) with a...
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6371194 |
Method for producing core preforms and recycling core sand for a foundry
The invention relates to a method for the production of core preforms for foundry in which a) a mixture of inorganic, refractory foundry sand and a water glass-based inorganic binder is produced,...
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6298902 |
Use of CO2-soluble materials as transient coatings
A method of removing a coating material from a substrate surface portion comprises providing a substrate having a coating material adhered to a surface thereof. The coating material comprises a CO2...
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6286580 |
Sand reclamation
A carbohydrate is added to sand, which has been used to make foundry moulds or cores, and which has been bonded using an alkaline resol phenol-formaldehyde resin, prior to reclamation of the sand...
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6253830 |
Apparatus and method for sand core debonding and heat treating metal castings
A process for removing sand cores from metal castings in a continuous or semi-continuous procedure utilizes a fluid bed furnace. The thermally decomposed sand cores are carried away with the...
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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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6120284 |
Reclaiming foundry sand by gravity flow system
A method of reclaiming foundry sand by (a) providing a treatment tower having a plurality of heat conductive tubes extending across the interior of the treatment tower, the tubes being arranged in...
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6056042 |
Method of restoring used molding sand
Measuring the degree of restoration during the restoring treatment of the used molding sand and comparing the measured degree of restoration to a permissible degree, comprising the following steps:...
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6029738 |
Core for use in die casting process
A core for use in a die casting process has a wood fiber material as a main ingredient. The core can be disintegrated by exerting an external force subsequent to the die casting process. The core...
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6019157 |
Method of regenerating foundry sand
The present invention aims to provide a method of regenerating foundry sand whereby the carbon component adhering to the surface of spent foundry sand and similar substances is combusted...
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6000644 |
Method and apparatus for reclaiming foundry sand
Inefficiencies in reclaiming foundry sand from foundry cores made up of sand and an organic resin binder are reduced in a method of reclaiming such sand that includes the steps of reducing a...
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5992499 |
Method for cold reclamation of foundry sand containing clay
Method and apparatus for reclaiming sand from a foundry sand containing, inter alia, a clay binder by cooling the foundry sand to a temperature at or below -40° C. (-40° F.) followed by s...
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5967222 |
Vibratory sand reclamation system
In order to effectively remove and reclaim sand from a metal casting, an apparatus and system includes a bed having an entrance for receiving the casting and an exit for removing the casting. The...
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5957188 |
Integrated system and process for heat treating castings and reclaiming sand
Provided is a five-in-one process/integrated furnace system that (i) receives and heat treats a casting, (ii) removes sand core materials from the casting, (iii) actively reclaims sand from the...
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5941295 |
System and method for removing crystallized flux
An improved continuous casting system and process involves the removal of mold flux from the outer surfaces of the cast strand after it is withdrawn from the continuous casting mold. This will...
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5901775 |
Two-stage heat treating decoring and sand reclamation system
In order to effectively heat treat and decore a metal casting, and thereafter fully reclaim the core sand for reuse, a two-stage system processes metal castings and core sand formed of sand and...
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5865236 |
Crushed and graded magnetite ore for manufacturing moulds and cores
Crushed and graded magnetite ore is mixed with clay to form foundry moulds and cores. These moulds or cores are useful when casting non-ferrous metals or alloys, especially light metals and...
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5860467 |
Use of CO2 -soluble materials in making molds
A structure of CO2 -insoluble material has a three-dimensional object of CO2 -soluble material positioned inside. The object is contacted with a fluid containing carbon dioxide which dissolves the...
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5850866 |
Heat treatment of metal castings and in-furnace sand reclamation
The method and apparatus for reclaiming substantially pure sand from a heat treating furnace; wherein a casting with sand core and/or sand mold, comprising sand bound by a combustible binder,...
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5836369 |
Process for reclaiming used foundry sand
Used foundry sand is divided into two falling streams and the grains of a first falling stream are accelerated and diverted into the second falling stream.
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5816312 |
Method of and apparatus for reclaiming foundry sand
Salvaged foundry sand is reclaimed by introducing salvaged sand into a vacuum kneading tank, adding water and binder to the salvaged sand and kneading the salvaged sand under vacuum. A target...
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5803151 |
Soluble core method of manufacturing metal cast products
An improved soluble core for die casting metals or metal matrix composites is formed of a mixture of salt and up to about 20 weight % of ceramic material blended together to produce a homogeneous...
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