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Class 209/284 - Feeding or dischargingd


Subclass of Class 209 - Classifying, separating, and assorting solids
No. of patents: 59
Last issue date: 01/10/2012


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NumberTitleIssue Date
8091711Dynamically adaptive trommel screen system
A dynamically real-time adaptive trommel screen system is revealed. The dynamically adaptive trommel screen system includes a fixture, a trommel screen disposed on the fixture for screening a mixture into regenerated filter granules and screened residues, a structur...
01/10/2012
7896163Sifter
A sifter comprising: a receiver having a supply chamber; a sieve assembly having a sieving chamber coupled to the supply chamber; a rotator having a rotating shaft laterally arranged to pass through the supply chamber and the sieving chamber; a drum having a circula...
03/01/2011
7735655Screen and method for screening pulp
A screen and a method for screening pulp. The screen comprises a body, a screen cylinder arranged inside the body for screening the pulp, and an accept chamber and an accept aggregate connected with it for removing the accepted pulp fraction from the screen. The acc...
06/15/2010
7416084Apparatus for piercing garbage bags and collecting nonrigid, elongate objects and powder
Provided is an apparatus comprising a screen assembly for sifting powder including a rear feeding device, a first conveyor adapted to convey garbage bags from the feeding device to the screen assembly, an inclined board extended downwardly from a front end of the sc...
08/26/2008
7383956Woodwaste recycling apparatus and method
A woodwaste processing trommel apparatus has a rotating trommel for receiving and separating woodwaste by size. An elongated electrode is mounted within the trommel and has a polarized electric charge thereon for attracting plastic pieces having a static electric ch...
06/10/2008
7374049Screening plant
A screening plant having a main frame, a trammel drum mounted on the main frame to be rotatable about a rotational axis at a small angle to the horizontal, and having an input end and an opposite discharge end at a lower end than the input end, screening apertures p...
05/20/2008
7168846Rotary processing device
A rotary product processing device that has a frame made of endplates and at least one sidewall of one piece and unitary construction that encompasses a product processing chamber and product conveyor that is rotatively supported by a plurality of bearings that are ...
01/30/2007
7093718Inline sifter
A booster 8 extending in an internal area 53 of a sieve 7 is attached to the outer circumferential face of a rotating shaft 6. The booster 8 has four blades 82, which are radially extended from the outer circumferential face...
08/22/2006
7017754Method and apparatus for classifying fine balls and method for producing cylindrical sieve
An apparatus for classifying fine balls having diameters of 1 mm or less into those having predetermined diameter ranges, comprising a feeder for supplying fine balls, at least one rotatable cylindrical sieve constituted by a plate with a thickness of 200 μm or les...
03/28/2006
6868973Drum type refining or washing apparatus
The present invention provides a drum type refining or washing apparatus in which the refining or washing efficiency of a pulp suspension or a food suspension is remarkably enhanced by the filtration function of a rotary drum and by the filtrate sucking force of a f...
03/22/2005
6827222Gravel sorter
A mobile gravel sorter, which is arranged to move in a direction of travel along a road, comprising a gathering unit which is arranged to gather up granular material from a roadway as the gravel sorter moves in the direction of travel, a sorting unit (30) for...
12/07/2004
6530481Pressure screen with scrap separation
A pressure screen for separating a liquid mixture is disclosed, comprising a screen housing forming a cylindrical screen chamber, and an inlet housing directly connected to the screen housing and forming a cylindrical inlet chamber, the diameter of which ...
03/11/2003
6290067Screening apparatus with dilution liquid supply means
Screening apparatus is disclosed for separating fiber suspensions comprising a housing having an inlet for the fiber suspension, a stationary tubular screen dividing the interior of the housing into a central chamber for receiving the fiber suspension fro...
09/18/2001
6206199Method and an apparatus for recycling different components in a multiple layer material
In order to recover the various components of multiple layer materials, a method uses a refiner or disperser including mutually opposing rotating discs having material engaging surfaces or elements such as teeth. The method includes: adjusting a gap betwe...
03/27/2001
6193072Sifting machine with axial removal of screen, rotor, worm conveyor and drives for cleaning and maintenance
A sifting machine comprises a stationary sifting basket, a rotor rotating within the sifting basket and a worm conveyor feeding into an end of the sifting basket for dosing and introducing the material to be sifted. The rotor and the worm conveyor are dri...
02/27/2001
6109450Apparatus for separating unwanted contaminants from fibrous slurry
The invention provides an apparatus for screening a fibrous slurry including a rotatable drum whose circumferential wall includes a screen. The screen has spaced openings with longitudinal axes or elongations which are large relative to the transverse axe...
08/29/2000
6065606Elevatable frame for transportable sorting machines
A transportable sorting machine frame formed of first and second frame sections which are hinged together is provided. The sorting machine is mounted to one frame section and an infeed conveyor is mounted to the other. A pair of elevational jacks located ...
05/23/2000
6019227Extractor and separator apparatus
The present invention is an apparatus that will extract a desired material from an undesired material. The apparatus of the present invention comparison a front portion, a middle portion, and a back portion. The front portion includes the driving method f...
02/01/2000
5836456Discrete material washing apparatus
A discrete material washing apparatus comprises a structure mounting an elongate trough having an inlet and an outlet. A dished tray is mounted on the structure and shaped to feed into the inlet. The tray is to receive disposal of a cementitious mixture t...
11/17/1998
5806684Fractionator for fractioning particulates in suspension
A fractionator for fractioning a suspension in at least two fractions, including a drum rotatable about a substantially horizontal access and having axially spaced end walls, a centrally arranged inlet for suspension, a flow channel for suspension in the ...
09/15/1998
5732827Screening apparatus
The invention is a screening apparatus for classifying material of different sizes. A screen is rotatably mounted on a frame for rotation around a first axis which is angled upwardly away from the horizontal, at an angle of from 0 to 30 degrees. The scree...
03/31/1998
5624578Separation apparatus nozzle assembly
A nozzle assembly (1) for use in a separation apparatus for separation of liquid suspensions the separation including such nozzle assembly, and a method for its use. In the nozzle assembly, the outlet end of the nozzle is biasable towards the inner surfac...
04/29/1997
5556445Steam treatment of municipal solid waste
A method for treating solid municipal waste material including placing solid municipal waste in a rotating chamber having an interior at ambient pressure, heating the waste at ambient pressure, and controlling the moisture content of the waste....
09/17/1996
5524769Counterflow aggregate recovery apparatus
A counterflow aggregate recovery apparatus for separating and retrieving material. The recovery apparatus includes a rotatable drum in which a cylindrical screen is suspended. The material to be processed is introduced into the cylindrical screen. The scr...
06/11/1996
5435917Rotary filter comprising a screen drum and internal screw member
A rotary filter for filtering water out of water containing raw material such as fish guts and muds including a screw drum having a number of filtering holes formed therein and a screw having a shaft and a spiral vane secured to the outer surface of the s...
07/25/1995
5427250Barrel screen apparatus
The present invention is a barrel screen apparatus comprising an elongate, hollow, cylindrical and rotatable barrel screen cage having a receiving end and a discharge end. A hopper is positioned adjacent to the receiving end of the barrel screen cage and ...
06/27/1995
5381906Paper stock cleaning and collecting apparatus
The paper stock cleaning and collecting apparatus of the present invention includes a tank with an open top for receiving and storing therein a paper stock, a cylindrical screen for dividing an interior of the tank into a first chamber and a second chambe...
01/17/1995
5301813Apparatus for separating material
An apparatus for separating materials into different sized particles, especially difficult materials that may contain wet or sticky particles or lightweight foreign material. The material is separated by feeding it into a dish-shaped unit open at the top ...
04/12/1994
5078903Pressure-fed drum filter separation apparatus with elongated, tangential nozzles
A pressure-fed apparatus for the separation of solids and liquids from a suspension has a fine-apertured rotatable screening drum, inlet means to introduce a flow of suspension into the interior of the screening drum under pressure. Feed means comprising ...
01/07/1992
5041223Arrangement for an inlet pipe in a rotating drum sieve
The present invention relates to an arrangement for an inlet pipe in a rotating drum sieve for the supply of sludge or a liquid mixed with particles to the inside of the rotating drum sieve, which drum sieve exhibits flow openings along its casing, in ord...
08/20/1991
5009370Municipal solid waste material sorting trommel system
A municipal solid waste material sorting system comprises a multi-stage trommel having a relatively short first stage section with relatively small holes for screening out grit, dirt, coins, small stones and the like, a second substantially longer second ...
04/23/1991
4995973Modular longitudinal spray finisher
A juice processing module is provided in a raw juice stream to aid in the separation of the juice stream into clarified juice and pulpy juice. Raw juice is forced through directed orifices at a separating screen carried in a containment housing. Juice out...
02/26/1991
4981587Sieve with adjustable throat mechanism discharge
A sieve bend has been described incorporating a headbox 40, throat mechanism 46, nip flap 90 and sieve surface area 52 supported by frame 96 which may have portions thereof rotated or positioned behind headbox 40 temporarily until its use is desired. The ...
01/01/1991
4966686Fine metal recovery apparatus
An apparatus and method for obtaining fine metals from gravel. A tiltable, rotatable cylinder has an inlet and an outlet. A mesh is positioned a predetermined distance from the inside diameter of the cylinder and extends around the periphery of the inside...
10/30/1990
4935124Rotatable wood chip classifier
A rotatable wood chip thickness classifying device. The apparatus includes two coaxial, spaced sets of apertured discs, each set defining a drum. The interdisc spacing of each drum is uniform, each drum having a different interdisc spacing from the other ...
06/19/1990
4933073Drum for separating castings and molding sand or the like
A rotating drum (1) for cooling and separating castings and molding sand has a foraminous liner (27, 8). In a first part (28) thereof there are sand raising vanes (17) between this liner (27) and the closed wall (28) of the drum to raise sand, passing thr...
06/12/1990
4927528Sieve device for sieving out compost from rotten organic material
The sieve device comprises a filling funnel for feeding the material. A conveyor belt runs on the bottom of the filling funnel. The conveyor belt projects into a sieve drum, which is driven by a hydraulic motor. The material is transported through the sie...
05/22/1990
4710287Fibrous suspension pressurized sorter
A sorter having a rotationally symmetric screen including a drain space for receiving overflow material (rejects) connected axially above the screen. A screen space is provided radially outside of the screen and an accepts drain space is connected to the ...
12/01/1987
4650582Apparatus for consistency control of manufactured tomato pulp
This invention provides a rotating drum screening apparatus for continuously and controllably separating a tomato macerate into a reduced insoluble solids pulp fraction and an insoluble solids-enhanced pulp fraction, the rotating drum screening apparatus ...
03/17/1987
4650125Method for sorting fiber stock, especially for manufacturing paper, and sorting apparatus for the performance of such method
The sorting apparatus contains a rotor equipped with blades or vanes which move along a screen or sieve located beneath the rotor. The screen forms a partial surface of a body of revolution, such as a partial surface or section of a cylinder. The fiber st...
03/17/1987
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