Class 209/255 - Discharging

Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Means and methods of discharging material from sifters.
No. of patents: 35
Last issue date: 06/15/2010

Number	Title	Issue Date
7735653	Vibratory sand reclaiming apparatus having normal and reject modes An attrition mill for reclaiming foundry sand from deposited material having lumps of used foundry sand and included material includes a housing defining a chamber for receiving the lumps of used foundry sand and included material. A base is disposed within the hous...	06/15/2010
7240800	Vibratory sand reclaiming apparatus having normal and reject modes An attrition mill for reclaiming foundry sand from deposited material having lumps of used foundry sand and included material includes a housing defining a chamber for receiving the lumps of used foundry sand and included material. A base is disposed within the hous...	07/10/2007
7111739	Wet fine particle sizing and separating apparatus A particle sizing and separating apparatus is disclosed. The apparatus includes a base and a frame that is movably connected to the base. A motor assembly is provided to vibrate the frame and at least two screens are connected to the frame. Means also are provided f...	09/26/2006
7093719	Transportable, self-contained, recirculation, wash plant A combination of prospecting equipment and apparatus, for the purpose of collecting precious minerals from mineral bearing sand and gravel, located in regions that are arid in nature, have little water or limited water usage, due to environmental concerns. The Wash ...	08/22/2006
6672459	Integrated terminal deck and spout for vibrating separator and method of fabrication An integrated terminal deck and spout assembly for a vibrating separator and a method of fabricating a terminal deck constructed such that the deck has a protruding tongue which extends out past the deck blank. The protruding tongue forms the bottom plate...	01/06/2004
6357596	Sperm strainer system The invention in the simplest form is a passive method and apparatus for filtering motile sperm from a sperm sample. The invention passively filters the motile sperm using a membrane assembly disposed in a container. In operation, a sperm sample is placed...	03/19/2002
6329436	Process to recycle shredder residue A system and process for recycling shredder residue, in which separating any polyurethane foam materials are first separated. Then separate a fines fraction of less than about 1/4 inch leaving a plastics-rich fraction. Thereafter, the plastics rich fracti...	12/11/2001
6301979	Sampling means A sampling means for sampling a falling stream of a particulate material includes a trough-like sampling receptacle for culling a sample of the particulate material, the receptacle having an inlet defined in an operatively top portion thereof and at least...	10/16/2001
6129214	Sperm strainer system The invention in the simplest form is a passive method and apparatus for filtering motile sperm from a sperm sample. The invention passively filters the motile sperm using a nucleopore membrane that is contained within a membrane assembly, wherein the mem...	10/10/2000
6063296	Agglomerate removal and dewatering apparatus The present invention provide apparatus and method for removing agglomerates from a slurry comprising a transport fluid and particulate matter carried by the transport fluid. The present invention includes a fluid flow control unit and an agglomerate remo...	05/16/2000
5277318	Apparatus for removing contamination from low density particulate materials An apparatus is provided for the removal of oversized contaminants from particulate material the is particularly suitable for the removal of contaminants from low density, high surface area particulate materials. The removal of contaminants is accomplishe...	01/11/1994
5238117	Mineral processing screen separator This invention relates to a screen separator for separating metal adsorbent particles from a pulp and includes a screen separator for separating metal adsorbent particles from a pulp including an open topped and closed bottom cylindrical screen for axiall...	08/24/1993
5215197	Seafood separator device A seafood separator for separating sea creatures captured by a net is provided, comprising a support structure attached to the deck of a boat; a number of vertically arranged frames attached to the support structure, each frame containing a screen for ret...	06/01/1993
5112474	Screening apparatus with tiltable vibratory screen There is disclosed a screening apparatus for screening particulate material and which comprises a base frame, an elevating conveyor adjustably mounted on the base frame and arranged to convey material from a loading station at or near a lower end of the c...	05/12/1992
5078859	Stock screening apparatus A stock screening apparatus has a material supply port which communicates with a material supply passage, and a first discharge port which communicates with a first discharge passage. The first discharge passage is located within a downward projected imag...	01/07/1992
4966686	Fine 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
4927534	Screen system A screen system intended for the screening of wood chips, comprising one or several screening faces (2,3) placed one above the other as well as a bottom face (4) placed underneath said screening faces. The screening faces (2,3) are connected to members (1...	05/22/1990
4898664	Sifter for use in separating dough balls from breading An apparatus for separating dough balls from reusable breading having a container for holding breading containing dough balls, the container having an aperture in the bottom thereof for selectably discharging the breading having dough balls co-mingled the...	02/06/1990
4894147	Device for screening pulp and a blade for the screening device The invention relates to a device for screening pulp, comprising a screen drum (2) provided with holes for the passage of an accepted pulp fraction therethrough; and a blade (10) for a screening device. The device comprises straight blades (10) wiping the...	01/16/1990
4882054	Vibratory screening machine with tiltable screen frame and adjustable discharge weir A vibratory screening machine having a main frame, a screen frame pivoted at substantially its midpoint on the main frame, a weir which receives a liquid-solid mixture to be screened, a discharge spout on the weir, a linkage interconnecting one end of the...	11/21/1989
4689143	Drum separator A drum separator includes a cylindrical screen drum which is mounted for rotation within a sealed housing such that a small portion of the perimeter of the screen drum is exposed. Air, fibers, and fines are introduced onto a first part of the exposed port...	08/25/1987
4619761	Method for screening or fractionation An improved method for screening and fractionation. By using a housing interiorly divided by a screen plate into a primary and a secondary chamber with the secondary chamber further divided by a fluid impermeable wall, a process fluid stream containing pa...	10/28/1986
4549960	System for conditioning grain and maintaining same Apparatus for cleaning, aerating and fumigating grain comprises chutes having screens therein over which the grain is passed. Conduits interconnect the chutes with a blower mechanism so that the grain to be cleaned is subjected to a vacuum which causes th...	10/29/1985
4543180	Device for separating coarse and fine particles from ultrafines A device for separating fine articles as sand from a sludge containing ultrafine articles comprises a continuously rotated substantially horizontal drum having a helical web at the peripheral inside thereof. The mass flow to be separated is deposited in t...	09/24/1985
4384952	Grain cleaning apparatus A grain cleaner having a plurality of cleaning sections radiating outwardly from a grain inlet. Each cleaning section has upper and lower downwardly sloped screens over which grain flows by gravity to sift out fine foreign material. Upper and lower foreig...	05/24/1983
4319990	Apparatus for the dry cleaning of grain The invention relates to the dry cleaning of grain and discloses a new process and an apparatus. In the new process a deep layer of grain is formed on an upper screen, the holes of which are larger than the grain particles, and a compacting effect is prod...	03/16/1982
4319991	Material separating machine Apparatus for separating a composite of three materials into their particular groups includes a first screen (17) which permits the group of the smallest sized material to pass therethrough. The materials not passing through the screen (17) are fed to a t...	03/16/1982
4308135	Sizing screens A sizing screen for particulate material of different sizes has a generally horizontal rotatable circular screen surface having a plurality of elongate radially projecting members, first collection means positioned adjacent the outer periphery of the surf...	12/29/1981
4276158	Screen for a screening machine The exchangeable planar screen includes a screen frame having an open lateral wall and a collecting floor and, above the floor, a meshed fabric; a duct unit assembled of at least two separate and intersecting channels adjoins the open wall of the frame wh...	06/30/1981
4238324	Apparatus for separating impurities from fiber suspensions The disclosure concerns an apparatus for separating impurities from a fibrous suspension. The apparatus includes a tiltable housing having a screen basket supported coaxially therein. A rotor is supported inside the screen basket. The rotor has three zone...	12/09/1980
4132520	Apparatus for the production of a middle layer of chipboards or the like and/or for the manufacture of chipboards consisting essentially only of one middle layer Apparatus for the production of a middle layer of chipboards or the like and/or for the manufacture of chipboards formed only from middle layer material includes at least one spreading station associated with a spreading chamber arranged above a moving su...	01/02/1979
4127479	Apparatus for straining suspensions An apparatus for straining liquid fibrous suspensions to remove contaminants and foreign objects has a stationary screen basket located in a housing. Purging blades rotate in the interior of the screen basket in close proximity to the interior walls of th...	11/28/1978
4123213	Automatic bakery product dusting flour recycling system For the purposes of saving flour and removing flour from the air for the safety of workers, large quantities of dusting flour used during the transfer of rolls from a standard dough dividing and rounding machine to a standard aging and panning machine is ...	10/31/1978
4065382	Multiple screen apparatus Vibrating screen apparatus wherein high screening output is achieved by providing a series of inclined screens in generally end to end relation whereby undersize material passing through the screens is received in a common hopper disposed beneath the scre...	12/27/1977
4025419	Vibratory sand reclaiming apparatus A foundry sand reclaiming apparatus is provided in which lumps of used foundry sand are introduced into a vibrating chamber. The lumps abrade each other to produce discrete particles of reusable foundry sand. As the sand builds up in the chamber, the vibr...	05/24/1977

PatentStorm

Quotables

PatentStorm News

Class 209/255 - Discharging