Expressing plate assembly for filter press

摘要

An expressing plate assembly for an expression type filter press, wherein openings in the four corners of elastic expressing sheets placed on the opposite surfaces of a core plate are aligned with openings in the four corners of the core plate and in such condition the expressing sheets are secured to the core plate. Seating recesses in the form of circles concentric with the above-mentioned openings are formed in the opposite surfaces of the core plate, while raised portions adapted to tightly fit in the recesses are formed on the expressing sheets. Clamping seating rings are fitted in recesses on the outer side of the recesses. Each clamping seating ring is formed with grooves for filtrate.