.~ Spiral work path and/or spiral work conveyer (e.g., screw)
DEFINITION
Classification: 134/132
(under the class definition) Apparatus in which the work passes along a spiral path and/or the work conveyor is of spiral form (for example, a screw conveyor).
SEE OR SEARCH THIS CLASS, SUBCLASS:
65, for related plural treating station apparatus.
SEE OR SEARCH CLASS
198, Conveyors: Power-Driven,
715, for conveyors such as belts and rollers moving the load on a helical path, and subclasses 475.1, 513, 545, 548, 550.6, 550.10, 582, 608, 611+, 625, 657+, and others for a screw conveyor. 366, Agitating, particularly
318+, for casings having a screw conveyor therein, for agitating the contents, as distinguished from this subclass which has either casings containing a liquid and a screw conveyor in a separate, foraminous casing mounted in the first or which handle the solid work as individual articles.
451, Abrading,
327, and see the reference to Class 451 in the (5) note of the main class definition of Class 134.