(under subclass 207) Apparatus wherein the agitating or kneading means comprises a rotatable shaft and a vane attached thereto, which vane continuously rotates around the shaft while advancing axially along the shaft.
(1) Note. The vane may be either continuous or discontinuous.
(2) Note. Included under this definition is a feed screw or discharge assistant peculiarly constructed to agitate as it feeds.
SEE OR SEARCH THIS CLASS, SUBCLASS:
202, for an agitating or mixing means peculiarly constructed to also comminute or sever the material.
376.1+, for a feed screw of similar type which only forces
the material along. SEE OR SEARCH CLASS
366, Agitating,
79+, for mixing or kneading means comprising a modified screw helix.
