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| Number | Title | Issue Date |
| 6948620 | Debris removal from fluidized sand bed Apparatus for removing debris from a fluidized sand bed. One or more troughs extend radially from a vertical shaft. Associated with each trough is a perforated chute. The apparatus is placed into the fluidized bed of sand, and rotated. As the apparatus rotates, the ... | 09/27/2005 |
| 5441157 | Method and device for separating a suspension, preferably a fibre suspension A suspension containing fine and coarse particles is sprayed under high pressure by way of spray nozzles (10) against a rotating filter medium (7), so that the suspension is separated into a fine fraction, which passes through the filter medium and which ... | 08/15/1995 |
| 5382370 | Screening system A process for continuously separating relatively coarse particles from a suspension of a mixture of particles in a liquid wherein the suspension is caused to pass through a screening medium which is rotating in its own plane so that the coarse particles a... | 01/17/1995 |
| 4428832 | Screening apparatus The sizing screen comprises a plurality of rotatable screening decks mounted co-axially one below the other. The uppermost screening deck is rotated at a slower speed than the relative fast revolving lowermost screen deck.... | 01/31/1984 |
| 4409096 | Control systems for material treatment plant A control system of particulate material treatment plant comprising screening means which produces undersize and oversize fractions and which is controllable to vary one size fraction relatively to the other size fraction, preparation or dense medium wash... | 10/11/1983 |
| 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 |
| 4251355 | Apparatus for separating snakeskins and fines from polymeric pellets Apparatus for separating snakeskins and fines from pellets in a collection of polymeric material wherein a first nozzle impinges the collection of polymeric material in a stream of air on a moving screen having a mesh size such that the screen will allow ... | 02/17/1981 |
| 4220526 | Sizing screens and feeder devices therefor A sizing screen provided with feeder means for causing an even distribution of material onto the screen surface. The feeder means comprises a generally spirally shaped plough which urges material over the edge of a generally circular table the distributio... | 09/02/1980 |
| 3989435 | Apparatus for fabricating spherically shaped particles of small diameter A method of forming spherically shaped pellets of relatively small diameter is disclosed which comprises the steps of depositing a finely divided congealable material on a surface of a disk shaped body, transporting the body over a closed course which ext... | 11/02/1976 |
