Improvements to the subject of main patent No. 556,400 for machine for filtration at reduced pressure

摘要

The improvements consist in arranging, behind the region of action of the blower 21 and brush 24, a chamber 101 for washing the band 4a, with entries and exits 102, 103 equipped with gaskets 104, 105, in which are housed a brush 108 and a device 109 for injecting liquid under pressure. <IMAGE>