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| Number | Title | Issue Date |
| 7255233 | Method and apparatus for separating mixed plastics using flotation techniques A method and apparatus are provided for separating mixed plastics using flotation techniques including a first stage initial washing tank for washing of incoming plastics and providing a first separation process and at least one separation module. The first stage in... | 08/14/2007 |
| 6808626 | System for separating solids from a fluid stream A system for separating solids from a fluid stream. The system includes a first separator device mounted to a container. The container includes a settling compartment and baffle plate module, with the initial settling compartment receiving the fluid from the first s... | 10/26/2004 |
| 6588597 | Disposal system for plastic A treating system for selecting and recovering reusable materials from used composite plastics is constituted by a crushing process, a cleaning and grading process and a plastics separation process. The treating system for the composite plastics is consti... | 07/08/2003 |
| 6533124 | Quality control system for monitoring and control of contaminants in recycled plastics An apparatus and process for continuously discriminating between a contaminated plastic material containing trapped volatile contaminants and plastic material which contains an acceptable threshold of contaminants including first supplying a continuous so... | 03/18/2003 |
| 6332542 | Tramp material removal from pulp feed system Dense, tramp material, is efficiently separated in a comminuted cellulosic fibrous material feed system, for example in a chemical cellulose digester feed system, in a simple but effective matter. By merely utilizing a generally vertical conduit and a slu... | 12/25/2001 |
| 6315128 | Tramp material removal from pulp feed systems Dense, tramp material, is efficiently separated in a comminuted cellulosic fibrous material feed system, for example in a chemical cellulose digester feed system, in a simple but effective matter. By merely utilizing a generally vertical conduit and a slu... | 11/13/2001 |
| 6170667 | Apparatus and method for preparation of liquid/solid slurries An apparatus and method are disclosed for the continuous formation of slurry. The apparatus includes a hopper to receive particulate material; one or more transport/mixing assemblies that mix and transport the solid material and a carrier liquid; and a mi... | 01/09/2001 |
| 5909815 | Single drive, multi-screw sorter with pusher means The present invention is a sorter for products conveyed successively and continuously. The sorter components include a main screw rotated continuously by a drive shaft to arrange in order and convey products to be sorted. The main screw has helical groove... | 06/08/1999 |
| 5868256 | Rotary clay material refiner An apparatus for refining clay material having a horizontally oriented rotating drum into which clay material and water are fed. The clay material and water form a slurry which is agitated by lifters within the drum. A series of adjustable lifters within ... | 02/09/1999 |
| 5409118 | Open 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 |
| 5392928 | Inspection and sorting of containers A system for inspecting and sorting molded containers, such as glass bottles that includes a finished product inspection station for inspecting containers transported in sequence along a predetermined path, identifying containers to be sorted from the pat... | 02/28/1995 |
| 5085765 | Conveying 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 |
| 4616786 | Plant for processing surplus concrete Surplus concrete or return concrete to be processed is poured into a high-capacity receiving bin and is transferred at a metered rate from said bin by means of a screw conveyor to a washing apparatus, in which fine components are separated from very fine ... | 10/14/1986 |
| 4479048 | Reclaiming machine for scraps of expanded foam thermoplastic material A reclaiming machine for scraps of expanded foam thermoplastic material including an electrical source, a housing having a first and second material feeding poet formed therein, a first and second cylinder positioned within the housing and in communicatio... | 10/23/1984 |
| 4455225 | Rotary light tester for continuously inspecting empty cans A rotary light tester for continuously inspecting empty cans discriminates between good cans and defective ones by judging the amount of transit light entering the interior of the empty cans. The light seal circular plate and the freely-reciprocative slid... | 06/19/1984 |
| 4323445 | Apparatus for electrokinetically separating drilling mud An apparatus for electrokinetically separating drilling mud into liquid and solid phases comprising a casing (1) having an inlet (2) for drolling mud and outlets (3,13) for separated phases thereof and accommodating electrodes connected to the negative te... | 04/06/1982 |
| 4066534 | Apparatus and method for assembling fuel elements A nuclear fuel element assembling method and apparatus is preferably operable under programmed control unit to receive fuel rods from storage, arrange them into axially aligned stacks of closely monitored length, and transfer the stacks of fuel rods to a ... | 01/03/1978 |
| 4044892 | Continuous plug gauger for container openings An apparatus for continuously gauging containers has a feed screw to positively move the containers to be gauged along a straight line beneath an endless chain upon which are mounted a plurality of gauging devices. The endless chain has a lower reach spac... | 08/30/1977 |
