GBA Vibratory ball mill Google Patents
1,115,515. Ball mills. E. W. SMITH. 17 Aug., 1965, No. 35238/65. Heading B2A. [Also in Division F2] A system for continuously grinding or batch grinding material comprises a mass 10 having a plurality of metal tubes 16 for containing the material and grinding particles, a spring means 11 connected at one end to the mass 10 and at the other end to a mass 14, the spring means 11 and masses 10 ...