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| Number | Title | Issue Date |
| 7984866 | Relocatable oil sand slurry preparation system A relocatable oil sand slurry preparation system is provided for preparing an aqueous oil sand slurry amenable to pipeline conveyance while producing minimum overall rejects, comprising (a) a relocatable rotary digester for slurrying oil sand and water and digesting... | 07/26/2011 |
| 7238091 | Stone fabrication scheme Methods and systems of fabricating stone products are provided. The method comprises the steps of providing a stone piece, separating the stone piece into a plurality of sawed stone slabs by cutting with at least one saw blade, separating the plurality of sawed ston... | 07/03/2007 |
| 7204439 | Apparatus and process for control of rotary breakers Efficient process control of a rotary breaker is dependent upon the rate at which aggregate material is delivered to the rotary breaker. An improved pre-screening apparatus provides enhanced control of the amount of undersized material allowed to bypass the rotary b... | 04/17/2007 |
| 7121487 | Screening apparatus with hammermill A screening machine on a frame with a hopper having a conveyor belt. The conveyor belt discharges particulate material poured into the hopper into a rotating barrel screen or vibrating planar screen for sifting the material. A hammermill apparatus is pivotably mount... | 10/17/2006 |
| 7048215 | Comminuting apparatus having screen and access tray A comminuting apparatus is provided with a housing, at least two intermeshing scissor rolls, a screen, and an access tray. The housing has an entrance opening for receiving waste material and an exit opening for removing subdivided waste material. The scissor rolls ... | 05/23/2006 |
| 6969017 | Comminuting apparatus A comminuting apparatus is provided having a frame, a set of overlapping scissor rolls, a shear outtake manifold, and a pneumatic conveyor. The frame has an enclosure with an entrance for receiving waste material. The set of overlapping scissor rolls includes a feed... | 11/29/2005 |
| 6911118 | Pulper for producing paper pulp from waste paper A pulper for producing paper pulp from waste paper containing undesired scrap particles includes a container (1) forming a chamber (4) defined by a bottom wall (5) and a cylindrical circumferential wall (6). A paper tearing member (7 | 06/28/2005 |
| 6557790 | Circuit grinding apparatus with high-pressure roller mill and sifter In order to further develop a circuit grinding apparatus with a roller mill or roller press for material bed disintegration of granular material and with at least one integrated sifter, where the mill and the sifter are disposed within two stationary side... | 05/06/2003 |
| 6322664 | Method of processing recycled waste paper by separating fibers of different colors A method of processing recycled waste paper includes pulping waste paper in a first drum pulper. White fibers are separated from the waste paper in a first screen drum. The white fibers are then processed by screening, cleaning, deinking and bleaching. Th... | 11/27/2001 |
| 6095442 | Perforated drum in a stock preparation system for screening foreign matter from recycled paper An apparatus for screening foreign matter from dry recycled paper includes a feed device with an outlet for discharging the recycled paper. A frustroconical shaped drum has an open wide end positioned adjacent to the discharge outlet for receiving the rec... | 08/01/2000 |
| 6083350 | System for treatment of waste paper having a pulping drum and a perforated sorting area A wastepaper treatment method and system which combines the pulping and sorting in a pulping drum (10) with a following wet-strength processing, performed with high mechanical intensity, e.g., in a pulper (20). With the easily pulping paper materials bein... | 07/04/2000 |
| 6029918 | Kitchen waste composter Vegetable matter is composted in an outer drum having an axis for rotation which is disposed horizontally for rotation inside an outer housing. The outer drum and the housing have respective waste inlets which are in communication with each other for rece... | 02/29/2000 |
| 6000640 | Process and device for the decomposition of fibrous materials Process and device for decomposing fibrous material in an installation including a drum having an inner wall, a first end, and a second end, a displacer having an outer wall positioned inside the drum, and a processing channel formed between at least a po... | 12/14/1999 |
| 6000645 | Axial flow, bi-rotor concrete reclaimer A concrete reclaimer having a pair of concentric mesh cylinders for separating wet concrete into its original components. The invention includes a hopper and feed screw for feeding wet concrete into the inner cylinder at a constant rate. The concrete is w... | 12/14/1999 |
| 5875979 | Green waste processor An apparatus for processing green waste comprising a sectional rotatable drum having therein as components a plurality of first blade members, a plurality of second smaller blade members, a plurality of longitudinal platforms each having teeth-like projec... | 03/02/1999 |
| 5826807 | Method and apparatus for comminuting of solid particles A cylindrical vessel has a drive shaft rotatably mounted therein and extending along substantially the entire longitudinal extent thereof. This drive shaft is rotatably driven by a motor at a speed of 3,000-10,000 rpm. The output of a roller mill or the l... | 10/27/1998 |
| 5779527 | Stone bevelling machine A stone bevelling machine serves to round corners of bevelling stone. The machine comprises: a cylinder 2 rotating, and having a charge port on one end and a discharge port on the other end; a partition 3 separating the space within the cylinder 2 into a ... | 07/14/1998 |
| 5772133 | Fragment recirculating shredder A revolving trommel situated adjacent to a shredder has an annular screen which intercepts oversized or elongated fragments in the outflow from the shredder for return to the shredder. A first fragment guide directs the shredder outflow into the trommel a... | 06/30/1998 |
| 5735472 | Rotating drum comprising screening and mashing chambers for separating paper fibers and contaminants Method for separating paper fibers and contaminants for mixtures containing water, fibers, contaminants, paper or cardboard pellets, wherein the mixture is subjected firstly to a screening, secondly to a mashing and then thirdly to a further screening wit... | 04/07/1998 |
| 5683041 | Lamp processing machine A lamp processing machine for separating glass, powder and metal lamp components placed within the machine. The machine may include two generally cylindrical, concentrically mounted screens and a tube concentrically mounted between the screens. The screen... | 11/04/1997 |
| 5660340 | Rotary de-icer A rotary de-icer for separating ice particles from comestible products covered with such particles, comprises a perforate drum mounted on an upstanding frame for rotation about a central axis of the drum, the drum having a cylindrical side wall comprising... | 08/26/1997 |
| 5624077 | Concrete cyclone reclaimer The present invention is a novel concrete reclaimer cylinder with a closed chamber and a screen chamber. The reclaimer is disposed in a non-horizontal position such that screen chamber is positioned lower than the closed chamber and driven to rotate. Conc... | 04/29/1997 |
| 5613902 | Sand reclaimer A tumbling mill includes an inlet area, an outlet area, and a tumbling area between the inlet and outlet areas. The mill is formed as a tri-cyclical member having an outer cylinder extending along the tumbling and outlet areas, and an inner cylinder conce... | 03/25/1997 |
| 5540395 | Concrete cyclone reclaimer The present invention is a novel concrete reclaimer cylinder with a closed chamber and a screen chamber. The reclaimer is disposed in a non-horizontal position such that screen chamber is positioned lower than the closed chamber and driven to rotate. Conc... | 07/30/1996 |
| 5437414 | Recirculating shredder Apparatus for fragmentizing objects recovers and reprocesses oversized fragments. A shredder is encircled by an annular trommel revolving about a horizontal axis of rotation and which extends over the shredder intake hopper and below the fragment outlet. ... | 08/01/1995 |
| 5312051 | Fresh wet concrete reclaimer A concrete reclaimer includes a concrete processor having a rotating inclined screen and a pipe discharging water. Fresh concrete being disposed is poured into an open end of the rotating screen, and migrates toward the opposite open end. The concrete pas... | 05/17/1994 |
| 5267603 | Sand reclaiming drum with media recycler The drum incorporates an inner and outer cylinder, having a helical vane located intermediate thereof, with the media drum being supported upon a base and rotated by a drive motor. The drum contains two parts, an entrance segment and an exit segment. At t... | 12/07/1993 |
| 5248042 | Resilient wire-wrapped, and adjustably tensioned screen drum with drum overload-preventing feedback control A mobile screening apparatus includes a horizontal rotary drum preferably fed by underflow from a prescreening device that is reversible endless belt of screening grizzly bars. The belt reverses for expelling oversize material caught between bars. Force n... | 09/28/1993 |
| 5158239 | Dispersing process and stirred ball mill for carrying out this process The invention relates to a dispersing process in which a mill base consisting of solids and of a liquid phase is conveyed through a stirred ball mill containing a grinding medium, energy is supplied in this stirred ball by rotating rotors, and the solids ... | 10/27/1992 |
| 5108584 | Apparatus for extrating heavy metals from ore A machine is employed for recovering heavy metals, such as gold, from placer ore. The machine employs a cylindrical, annular outer drum mounted for rotation at an inclination to the horizontal and including at least one spiral vane extending the length of... | 04/28/1992 |
| 5095968 | Rotary media drum with cooling component A media drum incorporates an inner and outer cylinder, having a helical vane located generally intermediate thereof, with the media drum being supported upon a base, and its bearings, and motivated into rotation by a drive motor. The media drum integrally... | 03/17/1992 |
| 5094715 | Arrangement for removing thread-like impurities from a defiberizing drum The present invention provides an improved arrangement for removing thread-like impurities, such as wire rope, wire and the like, from a defiberizing drum or the like used in the defiberizing of waste paper. A ramped or inclined member, in the form of a b... | 03/10/1992 |
| 5062601 | Mill screen apparatus Apparatus for reducing and sizing particle material that is readily susceptible to efficiency enhancement with vibratory exciters. The apparatus includes a rotary drum particle size reductino device having a substantially imperforate drum, and a rotary sc... | 11/05/1991 |
| 5016827 | Sand reclaiming drum A sand reclaiming drum incorporating a single cylinder, or structured having a dual cylinder reclaimer. The sand reclaiming drum comprises four sections: an inlet section into which mold castings are introduced, first and second inner sections, and an out... | 05/21/1991 |
| 4995561 | Ground sand maker A ground sand maker which includes a grinding drum (2); a mass of working pebbles (25) placed within the grinding drum; a driving device (7) for rotating the grinding drum; an inlet port (17) provided on a first end (2b) of the grinding drum for supplying... | 02/26/1991 |
| 4892258 | Comminuter for solid material An improved comminuting device for pulverizing solid material includes a comminuting chamber and a discharge chamber adjacent the comminuting chamber. A screening assembly is located at the interface between the comminuting chamber and the discharge chamb... | 01/09/1990 |
| 4726531 | Mechanism for the comminution of grinding of brittle grinding stock A mechanism and method for the comminuting and grinding of brittle grinding stock including a roll press with the material passed from the roll press to a deagglomeration drum which co-rotates with the tube mill. The material from the deagglomeration drum... | 02/23/1988 |
| 4720050 | Comminutor-pump assembly A comminutor and a pump are assembled together so that they are driven by the same prime mover, such as a tractor power take-off, the pump being arranged to draw liquid, such as sewage, into a comminution chamber containing a rotating hollow cylinder whic... | 01/19/1988 |
| 4687146 | Apparatus for fiberizing and screening of fibrous materials An apparatus for fiberizing and screening of fibrous material, which comprises of a rotating drum (1) the drum wall (2) of which consists of a non-perforated (7) and a perforated (8) part. The non-perforated part in the inlet end of the drum is separated ... | 08/18/1987 |
| 4684070 | Shredded tire oversize scrap return elevator There is disclosed in a unitized automotive vehicle tire shredding system a rotating drum type elevator for receiving from a screening device heterogeneously mixed scraps of shredded tires or the like which include components of curvilinear shape and resi... | 08/04/1987 |
