ball tube mill trunnion seal
TRUNION LINER AND SEAL FOR ROTARY MILLS Free Patents . Jul 17, 1973 · TRUNION LINER AND SEAL FOR ROTARY MILLS ... is to provide apparatus forming an effective sealing means between the material feed spout and associated support trunnion on a ball or tube mill type pulverizier to obviate the problems associated with material leakage from the mill through the trunnion and to make practical ...