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Class 209/147 - Conveyor


Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Methods and means wherein conveyors are employed to deliver
No. of patents: 32
Last issue date: 09/11/2007


NumberTitleIssue Date
7267230Mobile air powered material separator
An apparatus for separating a mixed particulate material into particles of at least two different specific gravities or ranges of specific gravity, wherein the apparatus comprises an air compressor for providing compressed air into the discharge tube, which, through...
09/11/2007
7051880Air classifier to separate solids while eliminating emissions
An air classifier to separate solids by air classification while eliminating emissions. The air classifier includes an in-feed delivery mechanism, such as a continuous conveyer belt in order to deliver solids to an input chamber. A hanging curtain is movable in resp...
05/30/2006
6659284Mcminer material transfer process
A process, a means of transferring mineable material from any number of sources to a number of devices capable of separating out values from that mineable material. See (FIG. 1) the mineable material enters the hose (1), the hose (1) being under vacuum, a...
12/09/2003
6609870Granular semiconductor material transport system and process
A granular semiconductor material transport system capable of continuous, non-contaminating transfer of granular semiconductor material from a large source vessel to a smaller and more manageable target vessel. Movement of the granular material is induced...
08/26/2003
6182567Printing press with an actuator
A printing press having an actuator, includes a chamber partly surrounding the actuator and having a pressure prevailing therein that is greater than the pressure in the outer surroundings of the chamber....
02/06/2001
5984105Material classifying apparatus
In order to separate two classifiable materials, a material classifying apparatus includes a vibratory conveyor for conveying a fluidizable material from a material to be separated therefrom from an inlet end through a material separation section to an ou...
11/16/1999
5749470Installation for decontaminating a radioactively contaminated surface
An installation for decontaminating a radioactively contaminated surface with a dry mechanical abrasive includes an extractor for suction extraction of an extraction gas together with an abrasive/dust mixture produced during blasting. A separator separate...
05/12/1998
5727690Method and apparatus for processing leafy vegetables
In a processing line for processing a leafy vegetable, particularly lettuce, the leafy vegetable is cut into preselected sized pieces which includes high density cores, hearts, ribs, and veins, and low density desirable cut leaf. A gravity/air separation ...
03/17/1998
5409118Open air density separator and method
A chamber has an aperture which opens downwardly to the atmosphere and an upwardly opening air return passage. A nozzle-forming duct is inclined upwardly at approximately sixty degrees to the horizontal, and a fan mounted therein directs moving air into t...
04/25/1995
5213820Process and device for fluidized bed spray granulation
Granule production is based on particle growth in a fluidized bed (4), in which the liquid starting product is sprayed into the fluidized bed and the finished granular particle is discharged from the fluidized bed (4) with classification. The classificati...
05/25/1993
5085765Conveying and separation unit for ballistic projectile arresters
A conveying and separation assembly for the impact material of a ballistic projectile arrester for indoor firing grounds, of the type that comprises a heap of granulated material as the impact material, and a pneumatic conveyor for sending the granulated ...
02/04/1992
5048693Method and apparatus for sorting articles with small density differences utilizing a flotation stream
A method and apparatus for sorting articles with small density differences utilizing a flotation stream. A separator is provided in which a flotation stream continuously flows through a trough and is used to effect the separation of a mixture of articles ...
09/17/1991
5022982Rotary drum solid waste air classifier
A rotary drum solid waste air classifier includes an inclined drum in which is mounted a non-rotatable separation enhancing tube which extends longitudinally completely through the drum. A waste conveyor is longitudinally mounted within the tube. The feed...
06/11/1991
5006226Fluidized, dry bed, ore concentrator
A fluidized, dry bed, ore concentrator in which a uniform air stream is utilized to fluidize ore particles within a region defined in part by two, moving, riffled surfaces. The particles are statically charged to enhance separation of particles within the...
04/09/1991
4950388Separation of mixtures in a wind tunnel
An apparatus for the separation of a mixture of particulate material having particles of substantially the same particle size. The apparatus comprising a wind tunnel (10) having an entry and an exit. The exit is associated with a fan (14) for creating an ...
08/21/1990
4844235Vibratory separation apparatus
A resilient liner is provided on the particle supporting surface(s) of a vibratory conveyor system. The liner accounts for a live surface that counters the tendency of the particles, particularly those that are moist and sticky, from adhering to each othe...
07/04/1989
4784755Dust control
Product, such as grain, is cleansed of particulate, such as dust, as it is being conveyed in the normal receiving, storage, and shipping processes. The particulate is sucked from the product by large volumes of low velocity air. The particulate is sucked ...
11/15/1988
4778061Air classifier apparatus
Waste material classifying apparatus for applying forced air streams to the waste material discharged off the end of a rotary disc screen conveyor, directing the forced air streams into an enclosure at the discharge end of the conveyor, and forming separa...
10/18/1988
4759840Particle classifier
A device for simultaneously separating cohesively bonded particles, by the action of a turbulent air stream, and classifying them according to their size, the device has a horizontal hood connected to the upstream and downstream air ducts. Equipped with a...
07/26/1988
4728109Ballistic projectile-arrester, having a regeneration and/or recovery system for the impact material
A ballistic projectile arrester having a regeneration and/or recovery system for the impact material, and which is particularly suitable for the recovery of projectiles fired by small arms or the like in indoor firing ranges or shooting galleries is discl...
03/01/1988
4461700Rotary feeder
A rotary feeder for simultaneous screening and discharging of material from the bottom part of a fluidized bed reactor. The rotary feeder is provided with a rotor having blades, between which pockets are formed. In the rotary feeder there is disposed an a...
07/24/1984
4405451Air separation apparatus and system
Apparatus and system for carrying out the air separation of waste wherein the waste is transported by conveyor to the input location of the housing of the apparatus, whereupon it is dropped. A fan having a selectively directed dual airstream is positioned...
09/20/1983
4364222Nut harvesting machine
For separating nuts from orchard trash in a windrow, the mixture of nuts and trash is picked up and deposited on the forward end of a foraminous conveyor enclosed by a housing connected to a fan inducing a vigorous flow of air through the conveyor. Variou...
12/21/1982
4298168Powder dispensing assembly
A powder dispensing assembly including an elongated chute having opposite ends pivotally supported for rotation about a pivot axis within an elongated housing and having a funnel-shaped cross section with a wide upper portion and a narrow lower portion. A...
11/03/1981
4287707Harvesters
A harvester for beans and like crop includes a pick-up reel having a width equal to the overall width of the harvester and leading to a first, cleaning, conveyor which terminates at an air passage incorporating a fan for generating a generally vertical ai...
09/08/1981
4219410Bar end separator
Separation of heavy tramp metal pieces from lighter weight machine tool turnings and chips is accomplished by apparatus and method in which turnings or chips containing tramp objects are moved along a conveying path and across an elongate free-fall area o...
08/26/1980
4210527Twin air classifier system
An air classifier system which embodies two rotary drum classifiers, each with an individual adjustable plenum, the drums being individually angled at selected inclinations and the plenum capacities being variable, so that two separate masses of commingle...
07/01/1980
4178743Harvester air separator
A harvester for beans and like crop includes a pick-up reel having a width equal to the overall width of the harvester and leading to a first, cleaning, conveyor which terminates at an air passage incorporating a fan for generating a generally vertical ai...
12/18/1979
4148719Method for separating urban waste materials
Apparatus for separating urban waste materials is formed with a vertically extending duct having a waste material inlet and a suction device at the upper end of said duct with a slanted wall being provided opposite the material inlet to deflect downwardly...
04/10/1979
4122003Metering surge bin airlock
A metering surge bin airlock feed device having a conveyor which extends from a surge bin to the interior of a pneumatic materials separator is disclosed. Airlock inlet and outlet means are provided at the points where the conveyor passes through a wall o...
10/24/1978
3970547Air classification apparatus
A rotary drum air classifier system which includes a side feed hopper by which mixed materials to be separated are fed to a screw feed which deposits the materials inside the drum for major separation into light and heavy materials, the screw feed being l...
07/20/1976
3957630Adjustable materials feeding apparatus
A materials separating apparatus which comprises a conveyor on which materials to be separated are deposited and conveyed to a hopper mounted on an adjustable platform, a rotary drum air classifier mounted on said platform, and transport mechanism connect...
05/18/1976
 
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