| 摘要 |
PCT No. PCT/SE97/00564 Sec. 371 Date Sep. 23, 1998 Sec. 102(e) Date Sep. 23, 1998 PCT Filed Apr. 2, 1997 PCT Pub. No. WO97/36665 PCT Pub. Date Oct. 9, 1997A filter sector for a filter disk of a rotating filter. The filter sector includes two interconnected plate shaped elements formed from a sheet material having a relatively thin thickness and each having planar portions defining a main plane. Protrusions shaped in the material of the plate shaped elements extend outwardly from the respective main plane and are adapted to keep a filter cloth at a distance from the respective main plane. Continuous, mutually spaced, parallel ridges are shaped in the material of the plate shaped elements and extend in a first direction over the filter sector. The protrusions extend in a second direction substantially perpendicular to the first direction and each protrusion is spanning over at least two adjacent ridges. Laterally adjacent protrusions are lengthwise displaced in relation to each other by at least the spacing between adjacent ridges. The ridges have a height over the main plane that is less than the distance, and the plate shaped elements are adjoined in the main plate planes. |
