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| Number | Title | Issue Date |
| 7066187 | Modular treatment plant having horizontal drum machines A machine for treating bulk material of industrial volume parts, having a treatment drum which is arranged with a horizontal axis and can be driven in both directions of rotation around the axis, the treatment drum comprises a permanently open co-axial inlet apertur... | 06/27/2006 |
| 6737900 | Silicon-on-insulator dynamic d-type flip-flop (DFF) circuits A novel dynamic DFF method and apparatus using CMOS is disclosed. The present invention does not use ratioed logic transistors in implementing a first stage of the DFF design. Thus, PMOS and NMOS transistors, used in the first stage of the DFF circuit, do not have s... | 05/18/2004 |
| 6488849 | Rotating device for continuously filtering a liquid such as a solution containing a precipitate The present invention relates to a rotating device for continuously filtering a liquid such as a solution containing a precipitate. According to this invention, the device comprises a cylindrical, horizontal-axis drum of revolution, rotated by a drive system, ... | 12/03/2002 |
| 6338773 | Device for dewatering solid/liquid suspensions, especially pulp suspensions A device for dewatering solid/liquid suspensions, especially pulp suspensions, where the suspension is dewatered between two belts, with one dewatering zone being a wedge zone. A pair of rolls downstream of the wedge zone impart both area pressure and lin... | 01/15/2002 |
| 5904858 | Filter with turbulence generating turbine and separation method A filter for separation of a liquid from a solid has a turbine surrounded by an elongated filter body and forms a short first stage with short-pitch blades, providing a high axial impulse and low radial impulse, followed by a long second stage with long-p... | 05/18/1999 |
| 5116423 | Apparatus for washing pulp The present invention relates to a method and an apparatus for washing pulp according to which method the pulp is supplied onto a movable liquid-pervious support surface to form a substantially continuous layer; and washing liquid is supplied to the pulp ... | 05/26/1992 |
| 5108626 | Process for recovering course particles from tailings A process for the recovery of coal particles having a maximum dimension of less than 2 mm from coal tailings including the steps of forming a slurry (101) of tailings having a pulp density of from 10 to 30% by weight; feeding the slurry into a hydrocyclon... | 04/28/1992 |
| 4919158 | Method and apparatus for washing pulp The present invention relates to a method and an apparatus for washing pulp according to which method the pulp is supplied onto a movable liquid-pervious support surface (2) to form a substantially continuous layer (7); and washing liquid is supplied to t... | 04/24/1990 |
| 4838995 | Process for bleaching cellulose pulp, a plant for preforming said process, and a screw press for use with said process and plant For bleaching cellulose pulp or a fraction thereof, e.g. reject pulp, the cellulose pulp or fraction, having a concentration of 0.5-10%, preferably 3-6%, is introduced into a screw press comprising at least a first (47) and a second (48) dewatering zone, ... | 06/13/1989 |
