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7571815 |
Sieve jigger
The aim of the invention is to provide a sieve jigger comprising a sieved-product rocker that can be pivoted upwards and downwards, whose lifting displacement and/or lifting frequency can be...
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7469846 |
Wet-mechanical treatment of mixed waste
The invention relates to a method and device for the wet-mechanical treatment of a substance mixture, particularly of refuse of all types, comprised of inert substances, water and of organic...
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7438188 |
Device for use in placer mining operations and method
An aggregate material separating device includes a frame with a shaker mechanism. A trough is disposed on the frame and coupled to the shaker mechanism by a shaker spring. A hopper is disposed at...
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6938776 |
Method and a device for the separation of particles
A method of separating a mixture of particles in a liquid that within chosen limits have different physical property values, wherein the particles to be separated are supplied via a feeder to a...
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6866074 |
Sand tank
A tank assembly for classifying and blending sand products. The tank assembly includes a receptacle adapted to retain slurry at or below an upper level. The receptacle includes a feed end having a...
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6758342 |
Cereal grain sorting system and roll sorting machine
A cereal grain sorting system includes a wind force sorting device, a rough sorting device and a roll sorting device. The wind force sorting device is operative for selectively sorting light weight...
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6561359 |
Method and apparatus for removing lightweight particulates during processing of a primary material
An apparatus and method for removing lightweight particulates during processing of a primary material. The apparatus includes a classification tank having an inlet, an outlet and a plurality of...
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6264039 |
Method for precious metal recovery from slag
The present invention, therefore, provides stage crushing method for recovering precious metals from slag produced by a coal burning furnace or boiler comprising: a plurality of crushing steps,...
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6156083 |
Coal reclamation systems
A method for recovering coal from a mixture containing fine particles of coal, the mixture including fine coal particles, water, and impurities, the method including feeding the mixture to a first...
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6119866 |
Process and device for separation of wanted materials from product mixes which contain floating/absorbent material and metals with a ferromagnetic content
Process and device for separation of wanted materials from product mixes which contain floating/absorbent material and metals having a ferromagnetic content, particularly from ink cartridges by...
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5817230 |
Method for improving the pozzolanic character of fly ash
A method for improving the pozzolanic character of fly ash includes the steps of first hydraulically classifying and then flotation separating the fly ash in order to reduce particle size...
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5476177 |
Sluice trap
A material classification device for separation of solid materials, having a relatively high specific gravity, from a stream of fluid and solid material. The device is particularly suited for the...
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5361910 |
Modified mineral jig
The present invention provides an improved design for the hindered settling bed within a mineral jig. The hindered settling bed contains relatively low density materials that can be used in...
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5273162 |
Method and apparatus for separating material from a fluid
A method and apparatus for separating high density materials from less dense materials suspended in a fluid within a conduit. A pump generates carrier fluid motion which is fed through the conduit....
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5246116 |
Method and apparatus for separation and recovery of the components from foil-containing laminates
A method for the separation and recovery of foils, in particular aluminum foils, and the other components in waste foil-containing laminates includes subjecting the waste laminates to agitation in...
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5024770 |
Waste separating, processing and recycling system
An apparatus and process for separating waste material requiring use of ground water for processing in a wet mill a drum separator in combination with purification and recycling, routing recycled...
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4839034 |
Beneficiator for recovery of metal fractions from particulate gangue
Apparatus is provided to separate heavier metal particles from lighter particles gangue in a fluidic medium by gravity and fluid flow. A vertical container provides a lower fluid input chamber that...
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4529506 |
Method for cleaning fine coal
A method for cleaning fine coal is provided which includes: mixing the coal with a fluid of such a specific gravity that clean coal particles would float while refuse particles would sink therein,...
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4505811 |
Mineral processing apparatus
Mobile mineral processing apparatus comprising at least one module having a base, frame structure and a roof. The base is mounted on skids or the like whereby the module can be moved from place to...
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4219409 |
Inlet line deflector and equalizer means for a classifying cyclone used for washing and method of washing using deflectors and equalizers
An inlet line deflector and equalizer means for a cyclone for washing crushed and sized coal with water wherein low density (1.6 or less) washed coal particles escape through the outlet pipe above...
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4217207 |
Continuous method of cleaning a slurry of crushed raw coal
A crushed raw coal washing plant using a plurality of deflector-fitted centrifugal cyclones to produce a washed and dried mixture of clean coarse and fine coal, and fine coal alone, with means to...
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4203831 |
6/30 Coal washing plant
Raw coal is fed into the upper end of an inclined internally scrolled barrel. Washed coal is screened after leaving the barrel, and the material passing the screen is divided into two batches, the...
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4136018 |
Vortex separator with coaxial inlet and lightweight reject pipelines
Method and apparatus for pulping and grading waste material in which the waste material is introduced into a cylindrical chamber having two end walls with a perforate screen in one of the end...
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4128474 |
Process for cleaning and dewatering fine coal
A wet mechanical process is described for cleaning, upgrading and dewatering fine coal. The process provides for forming an aqueous feed slurry of fine coal and its associated contaminant particles...
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4101419 |
Separator for separating higher density metal values from earthen material
A separator for separating higher density metal values such as particles of gold from a mixture of gold particles and earthen material. The separator includes an upwardly divergent hollow cone and...
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4076614 |
Inclined, vibrated, sifter and stratifier with gates
Heavy metal values are separated from particulate material such as, for example, river sand or gravel, by depositing the material in a vibrating, inclined chute, where the coarser elements of the...
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4070274 |
Coarse concentrated iron ore for catalytic purposes
An iron ore concentrate is made having at least 60% -6 to +14 mesh and no more than about 1% -20 mesh, by a process preferably employing a small counterflow sizer on a product obtained from the...
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4067953 |
Process for upgrading ores containing baddeleyite
Minerals, for example, zirconium minerals, are subjected to a chemical process of comminution, in particular with the aid of strong acids. These acids dissolve the carbonatic and silicious cements...
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3908912 |
Coal beneficiating process
A coal beneficiating process for the efficient production of high quality coal at higher yields through a concept of stage separation which requires a minimum of crushing.
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3909398 |
Bone dropout pan
Apparatus for separating bone fragments from meat having a slight difference in specific gravity. The apparatus includes a pan having a slowly moving flow of water and such pan includes a plurality...
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3865725 |
METHOD FOR SEPARATING PARTICLES FROM A LIQUID
Method for the separation of particles from a liquid in a basin with a central feed of the mixture of liquid and particles, the outflow being directed outwardly and horizontally thereby creating a...
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3850814 |
SCRAPER CONVEYOR FOR A CENTRIFUGAL SEPARATOR
An endless chain is equipped with a plurality of spaced flights and is situated in an annular liquid-receiving trough of a centrifugal separator. A motor-driven sprocket means drivably engages the...
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3801370 |
SINK-FLOAT LIQUID CONTACTING OF SOLIDS
A method and apparatus for contacting two miscible liquids with solids using the sink-float technique wherein there is obtained substantial transfer of the solids from one of the liquids to the...
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3596759 |
PROCESS FOR RECLAIMING CONSTITUENTS OF CONCRETE
A process for reclaiming sand and gravel from a fluid concrete mixture, comprising adding water to the mixture to form a slurry and transferring the slurry to at least one gravel screen for...
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3526318 |
MOBILE SYSTEM FOR SEPARATING SOLIDS
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3460957 |
PROCESS FOR RECOVERING PIGMENTARY TITANIUM DIOXIDE FROM NONPIGMENTARY WASTE TITANIUM DIOXIDE
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3439803 |
METHOD OF SALVAGING IRON FROM RIVERBEDS
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3402896 |
PORTABLE ORE MILLING PLANT
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3392828 |
Separation of substances
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3351551 |
Method and apparatus for removing solid particles from liquids
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3323900 |
Process for treatment of iron oxide ores containing nickel, chromium and cobalt
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3188046 |
Accordion case music stand
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3087482 |
Method and apparatus for making reconstituted synthetic mica sheet
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3074653 |
Method of separating wire and its casing
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2968524 |
Treatment of uranium ore of the shinarump type
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2966262 |
Method and apparatus for separating ores
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2822922 |
Separator for sand and gravel
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2801003 |
Method and apparatus for recovering valuable minerals
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