Improvements in vibratory sifting apparatus for treating potters' slip, powdered substances and the like

摘要

367,047. Strainers. PODMORE, W., Consall Hall, Consall, and COLLIER, O. G., Lyndhurst, Baddeley Green, both in Stokeon-Trent. Nov. 20, 1930, No. 34897. [Class 46.] In apparatus for sifting potters' slip, powdered substances, &c. the sieve frame a is connected by bolts c to a resilient bar b clamped at its ends to a frame d and forming the armature of an alternating current electromagnet M. A bar e guided on pins e2 and actuated by a spring e9 carries a block f of fibre &c. bearing on the bar b. The sifting lawn a2 is secured to the frame a by clamping its edges between plates a3.