The material in strip form of indefinite length continuously folded by passage through a former.
SEE OR SEARCH THIS CLASS, SUBCLASS:
5.01+, and 40, for longitudinal folding of web material.
SEE OR SEARCH CLASS
226, Advancing Material of Indeterminate Length, appropriate subclasses for methods of, and apparatus for, feeding material without utilizing the leading or trailing ends to effect movement of the material.
493, Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web,
405+, for folding, per se, of sheet material generally.
