BigPatents India

The invention relates to a device for the continuous filtration of material blends, in particular for separating impurities from molten plastic. Said device comprises a hollow cylindrical filter (2) in a housing (1), an inner chamber located inside the filter (2), an annular chamber (22) that is delimited by the exterior face of the filter (2) and an inner wall of the housing (1) and a cleaning device (23, 24) for removing the impurities that have been retained by the filter (2). To facilitate the most rapid removal possible of the separated residues from the filter surface, the filter (2) is mounted in the housing (1) so that it can rotate about an axis (3) and the cleaning device (23, 24) contains at least one scraper (23, 28, 30) for removing the impurities that have been retained by the filter (11) in a radial direction. (FIG. 1)