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| Number | Title | Issue Date |
| 7275644 | Apparatus and method of separating and concentrating organic and/or non-organic material An apparatus for segregating particulate by density and/or size including a fluidizing bed having a particulate receiving inlet for receiving particulate to be fluidized. The fluidized bed also includes an opening for receiving a first fluidizing stream, an exit for... | 10/02/2007 |
| 6907996 | Application of complex-mode vibration-fluidized beds to the separation of granular materials of different density Opposite ends of a dry vibration-fluidized separator are moved with complex vibrations, including linear, whirl, linear plus whirl, oscillation, linear plus oscillation, pitch and roll. Near zero to large amplitudes up to about ±0.050 inches and low frequencies of ... | 06/21/2005 |
| 6350524 | Hydrophilic polyurethane-coated chloride-selective electrodes The present invention relates to chloride-selective electrodes which comprise insoluble metal salt layer and a protecting membrane formed of hydrophilic polyurethane thereon, wherein the hydrophilic polyurethane coated chloride-selective electrodes show f... | 02/26/2002 |
| 4997551 | Concentration for beneficiating minerals A concentrator comprises a beneficiating member (1) in the form of a bowl with a tapered bottom (2) a concavity of which is provided with a discharge hole (13), and a drive mechanism (5) a hollow drive shaft (8) of which accommodates eccentrically a shaft... | 03/05/1991 |
| 4946586 | Gravitational separation A shaking table for ore-dressing, having riffles on its deck, has circular orbital motion imposed on it to cause the riffles to oscillate, and for a standing wave to be created between the riffles. The continued circular motion acting on the standing wave... | 08/07/1990 |
| 4804357 | Minerals separator To separate minerals, they are mde up into a slurry applied through feed pipe 46 to a vertical-axis spiralinder 32 spinning on its axis to generate 10 g centrifugal force. The spiralinder is also subjected to axial vibration at 5 to 10 Hz. A film of slurr... | 02/14/1989 |
