(under subclass 22) Device having a material engaging surface generally defining a closed loop and means to permit every portion of said surface to continuously travel in and along said loop during work engagement.
(1) Note. Included in this subclass are patents disclosing a rotary brush wherein the ends of the bristles constitute a substantially continuous material engaging surface.
(2) Note. A roller which only compresses a seam, and thus has no sliding engagement therewith is not considered to be a wiper, but will be found in subclass 19.
SEE OR SEARCH THIS CLASS, SUBCLASS:
19, for a roller for compressing a seam.
SEE OR SEARCH CLASS
118, Coating Apparatus, 110, for a rotary member acting on an applied coating.
