Class 209/452 - With agitators or conveyors

Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Receptacles are associated with agitating means for the
No. of patents: 34
Last issue date: 04/30/2002

Number	Title	Issue Date
6378704	Water separation system, method and apparatus for construction debris A system for separating construction debris into low density debris and high density debris. The construction debris is delivered into a rotating drum having front and rear discharge openings. The lower portion of the drum is filled with water, and the de...	04/30/2002
5535893	Method and apparatus for separation by flotation in a centrifugal field Method and apparatus for the separation of particles from a particulate suspension. The apparatus comprises a rotating flotation drum (10) with a feed distribution chamber (13). Particulate suspension feed enters the chamber through a delivery pipe (20). ...	07/16/1996
5495949	System for treating solid particles in a medium A system both for the treatment of solid particles in a liquid and also for the treatment of a liquid by solid particles. The system includes a first scrolled barrel containing a liquid bath in which the treatment takes place, a second scrolled barrel att...	03/05/1996
5447239	Gold pan with flukes and stratifiers A traditional gold pan 10 with a flat center base 11 with a spiral sidewall guide 20 from a vertical pan rim 13 to the pan base 11 incorporates a plurality of obtuse flukes 30 on the spiral extending into the spiral path to disrupt smooth flow of water an...	09/05/1995
5373946	System for media separation of solid particles A system for separating solid particles in two fractions by means of a medium, the specific gravity of said medium being between the specific gravity of the particles of the first fraction and the specific gravity of the particles of the second fraction. ...	12/20/1994
5343635	Increased capacity disc dryer An improved disc dryer for aggregate material which operates by rotating and impacting a tilted pan which holds the material being dried. Increased capacity is attained by transverse stabilizers on the impactor assembly, adjustable pressure air shock moun...	09/06/1994
5336408	Apparatus for separating particles from a fluid stream An apparatus for separating coarse particles from a fluid or wet stream, optionally containing fine particles, includes a frame, a screen box, means attached to the frame and to the screen box for movably suspending the screen box on the frame for vibrato...	08/09/1994
5271165	Increased capacity disc dryer An improved disc dryer for aggregate material which operates by rotating and impacting a tilted pan which holds the material being dried. Increased capacity is attained by transverse stabilizers on the impactor assembly, adjustable pressure air shock moun...	12/21/1993
5131171	Increased capacity disc dryer An improved disc dryer for aggregate material which operates by rotating and impacting a tilted pan which holds the material being dried. Increased capacity is attained by transverse stabilizers on the impactor assembly, adjustable pressure air shock moun...	07/21/1992
4944869	Method and installation for obtaining enriched fractions from used storage batteries An apparatus for obtaining enriched fractions from storage batteries is preferably three units connected in series, each of which has two concentrically disposed drums provided with helical strips on their inner wall. Concentrically to the axis of the out...	07/31/1990
4799920	Minerals separator To separate minerals, they are made up into a slurry A applied to a hollow tapered cylinder 301 spinning on its axis to generate 10 g centrifugal force. The cylinder 301 is also subjected to axial vibration at 5 to 10 Hz. The cylinder widens at a half-ang...	01/24/1989
4673491	Process and apparatus for the centrifugal separation of fine-grain mineral mixtures Separating elements (14) arranged about a central shaft (1a) rotate in common about the main axis (A) and individually about their longitudinal axes (B). A centrifugal distributor (6) distributes fine-grain mineral mixture mixed with fluid uniformly to th...	06/16/1987
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
4522711	Ore separator apparatus A rotary bowl for separating particles of ore received in the bowl has a drive rotor engaging a bowl outer surface, that rotor being tiltable with the bowl. An idler rotor may be provided to engage the back outer surface, and to cooperate with the drive r...	06/11/1985
4517079	Ore separation system Ore separating rotary bowls are combined in staggered, closely spaced relation to facilitate efficient use and transportation....	05/14/1985
4512881	Machine for recovering precious metal values from ore A machine for wet-processing ore to recover precious metal values such as gold. The machine includes a rotating, inner, perforate, hollow, ore-receiving drum and also a vibrating cradle for receiving water, sands, and other relatively fine material as is ...	04/23/1985
4406783	Apparatus for separating ore This invention provides an ore separating device of the rotating wheel type that includes a container, which may be of fiberglass, having a concave portion and an annular flange at its periphery with a pad having ridges on its outer surface complementaril...	09/27/1983
4389308	Apparatus for separating ores An ore separation device is described in which a bowl-shaped separator is equipped with a drive shaft and mounted on a table for rotation of the separator. The drive shaft is secured to the interior of the hub of the separator by a spider or series of rib...	06/21/1983
4385997	Method and apparatus for preconditioning laminated paper for recycling Disclosed is method and apparatus including a tank in which shredded corrugate is immersed and shuffled in a solvent fluid capable of attacking and weakening the adhesive bonding the core ply from the liner plies; said corrugate being advanced from its en...	05/31/1983
4347130	Placer mineral concentrator and process The present invention provides for a device and process for extracting heavy particles from lighter particles. The inventive device uses a unique riffle action, causing separation of heavy mineral from waste material, in combination with centrifugal force...	08/31/1982
4323449	Method and apparatus for beneficiating coal A method and apparatus for beneficiating a mixture of coal and a denser material are provided. The coal and ash mixture and a liquid medium are deposited into a rotating, sloping barrel having internal spiral flights and foraminous end sections. Coal and ...	04/06/1982
4312749	Trailer mounted, portable coal washing and separating apparatus A trailer chassis supports an apparatus for separating a lighter specific gravity material such as coal from higher specific gravity waste material. An open ended, elongated cylindrical drum is mounted for rotation about its axis inclined slightly from th...	01/26/1982
4311585	Classification of particulate material In this invention a method and apparatus for treating particulate material are provided. The apparatus includes a rotatable cylindrical vessel with a concentrate outlet near its operatively lowest part and a particulate feed inlet and a tailings outlet ab...	01/19/1982
4289579	Method for treating a bulk material with a fluid PCT No. PCT/SE78/00092 Sec. 371 Date Aug. 10, 1979 Sec. 102(e) Date Aug. 10, 1979 PCT Filed Dec. 11, 1978 PCT Pub. No. WO79/00375 PCT Pub. Date June 28, 1979 A bulk material is treated in a drum rotating in a bulk of the bulk material to be treated. The d...	09/15/1981
4265743	Method of and apparatus for extraction of gold from placer gravel The present invention relates to a method of extracting gold from placer gravel. Whereas conventional techniques are relatively effective in the processing of coarse gold particles, i.e. plus ten mesh tyler, the present invention finds application in reco...	05/05/1981
4252642	Wet-type rotary sand classifier A wet-type rotary sand classifier of this invention is provided with a plurality of helicoid blades which are secured onto the inner surface of the rotary drum along the entire length of the drum with their respective rear ends terminating at the rear end...	02/24/1981
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 coarser being returned to the barrel, the finer being sepa...	05/20/1980
4203832	Device for separating heavier impurities from solid bodies in fluid flow A device for separating heavier inpurities from solid bodies in a fluid flow comprising a trough-like casing accommodating a horizontal rotatable drum with a screen cylindrical side wall and groove-like elements move the impurities in the rotating drum to...	05/20/1980
4159242	Coal washing apparatus An apparatus for separating coarse and fine particles of intermediate specific gravity from an aggregate containing said particles of intermediate specific gravity as well as fine and coarse particles of higher specific gravity by use of a liquid of lesse...	06/26/1979
4151074	Wet-type sand classifier A rotary drum-type sand classifier of this invention is provided with a desired number of rows of sand discharging mechanisms at the rear end thereof. Between each pair of sand discharging mechanism, a water cleaning chamber is formed where the classified...	04/24/1979
4139454	Reclaiming system for scrap metals A mechanized reclaiming system for separating ferrous and non-ferrous metals from other materials derived from crushed and shredded automobiles employing a pair of conveyors mounted in a vertical array with the top one separating under vibratory action th...	02/13/1979
4083776	Method and apparatus for removing extraneous matter from waste glass with use of flow of water Water is supplied to an inclined drum having a helical wall on its inner peripheral surface to cause the water to flow over the helical wall and also on the inner peripheral surface of the drum and to thereby form a flow of water running from the upper en...	04/11/1978
4055487	Drum-type sand classifier A wet-type sand classifier is characterized by having a unique cone-shaped and sand-discharging means which is disposed at the outlet of the rotary drum and is employed instead of a conventional belt conveyor means to improve the classification efficiency...	10/25/1977
4018567	Apparatus for separating the constituents of lead-acid storage batteries Whole or shredded lead-acid batteries, together with a quantity of sodium carbonate and water, are fed continuously into a rotating drum separator containing a charge of grinding balls. Agitation of the mixture, aided by the internal drum construction fea...	04/19/1977

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Class 209/452 - With agitators or conveyors