Apparatus or device for the treatment of a material made to pass between at least two endless permeable belts, for instance screen belts, or the like conveying means

Abstract From the Canadian patent

A b s t r a c t, The invention relates to an apparatus or device for the treatment of a material, in particular a web of material or pulp made to pass between at, least two endless permeable belts for instance screen belts or the like, conveying means preferably for the displacement washing or a filter cake or for washing fibrous matter, the material being passed between the belts along at least two containers serving for the supply of a treatment medium for instance a washing fluid, a bleaching agent or other chemicals. It is the object of the invention to provide a compact apparatus of this type at simultaneous good effectiveness. This object is achieved according to the invention by …