| Patent Number |
Title Of Patent |
Date Issued |
| 6036859 |
Filter press apparatus |
March 14, 2000 |
| Filter press apparatus comprises a plurality of substantially parallel filter plates assembled as a unit and located within a substantially rigid outer shell to provide a closed vessel to which can be supplied medium under pressure to be filtered via the plates, a substantially impermeab |
| 5965020 |
Endless belt filter |
October 12, 1999 |
| An endless belt filter for separating liquids and solids from a mixture comprises a liquid-permeable filter belt below the upper run of which is positioned at least one suction tray moveable in the direction of the upper run of the belt, at least one hollow, elongate vacuum rail below th |
| 5482627 |
Separation method |
January 9, 1996 |
| A method of separating solid particles from a mixture of solid and liquid components comprises filtering the mixture to provide a damp filter cake and adding a liquid densification aid to the filter cake to promote densification of the cake. The method is useful for separation of ino |
| 5368732 |
Horizontal belt filter |
November 29, 1994 |
| In order to wash the lower run of a horizontal belt filter more effectively, and simultaneously provide for tensioning of the lower run, as required when progressing the belt intermittently, a dead weight roller is supported in a bight of the lower run of the filter belt and reciproc |
| 5366626 |
Filter apparatus |
November 22, 1994 |
| In horizontal belt filter apparatus wherein the belt is progressed by alternate incremental motion of the upper run and the lower run, wash liquor used for washing the belt in the lower run, e.g. by spraying into a wash box, is recycled and used for washing filter cake on the upper run a |
| 5130021 |
Filtration apparatus |
July 14, 1992 |
| Batch filtration is carried out within a rockable/rotatable housing, suspension to be filtered being fed in via ports in the upper region onto a curved filter fixed within the housing, and filtrate draining from below, via outlets to which vacuum may be applied. The housing is prefer |
| 5086963 |
Web guidance and tracking mechanism for a continuous belt filter |
February 11, 1992 |
| The invention provides an improved web guidance mechanism in which the location of a web is detected and any deviation from a desired path is corrected without causing damage to the web material, for example a filter cloth. The improved mechanism includes two tracker units 10 having a pa |
| 5019258 |
Horizontal belt vacuum filtration apparatus |
May 28, 1991 |
| In a vacuum belt filter, in order to allow for additional washing of filter cake, a plate is mounted in an inclined disposition above the upper run of the belt with its lower end directed upstream so that as the belt is progressed filter cake moves up over said plate. At the top of the p |
| 4979315 |
Filtration apparatus with integral drying by electromagnetic radiation |
December 25, 1990 |
| Subsequent to formation of a filter cake upon the surface of belt and further vacuum filtration (via vacuum trays), the cake passed below and is covered by an impervious sheet, and is dried by application of radiation, e.g. microwaves, radio waves, through the sheet, along with further |
| 4857194 |
Intermittent vacuum filter apparatus incorporating a double valve arrangement |
August 15, 1989 |
| A double valve arrangement is installed in intermittently operating vacuum filter apparatus in a pipeline connecting the filter means to a vacuum source to vent the line to atmosphere whenever the vacuum is shut off. This valve arrangement comprises a pipe section provided with a lateral |
