Improvements relating to cover segments of filtering medium of rotary disc filters

摘要

830,860. Filters. HEATH & SON (1952) Ltd., G. H. July 28, 1958 [Feb. 13, 1958], No. 4689/58. Class 46. In a rotary disc filter the cover segment of filtering medium a is drawn over the smaller end of the disc segment f and tautened into position by a screw e bearing on the segment f, at fSP1/SP, and having a trunnion eSP4/SP which locates in a pair of eyelets cSP2/SP. The strips c are then sewn together to secure the cover a in position. The cover segment a is made of phosphur bronze gauze of substantially sector shape and provided with a nylon neck b and two nylon strips c rolled at their outer edges to carry stiffening rods d and eyelets cSP2/SP.