Mixer with screen valve

摘要

A mixer for mixing material such as paint, plastics etc. using a grinding media and comprising a container with an agitator for producing the mixing action. An outlet for the mixed material is provided at the bottom of the container with a poppet valve for closing and opening the outlet. The valve permits emptying of the mixed material while retaining the grinding media in the container. The valve is cylindrical, sliding between a lowered closed position and a raised open position, with an apertured side wall, typically a metal screen. The valve may be rotated and/or lowered and raised during the emptying process freeing the screen of packed or settled material for complete emptying of mixed material.