(under subclass 241) Subject matter wherein a confined flow path within the mixing chamber forms part of the course through which material is caused to pass by means of a pump within the chamber which (a) directly forces or induces material through the flow path, or (b) causes the material to move to and fro in said path, thereby producing turbulence and agitation of the material in the chamber.
SEE OR SEARCH THIS CLASS, SUBCLASS:
164.1+, for a stirrer arranged to create suction in a mixing chamber for drawing material into the chamber.
272, for a gear-type pump which moves material through a mixing chamber while simultaneously agitating the material.
