(under the class definition) Apparatus including means to engage a projecting portion of the cover and press or maintain that portion under pressure for a sufficient time that after release of the pressing means that portion will remain in position.
(1) Note. The apparatus of this subclass may hold the flap for a sufficient time to (1) affect a bond or (2) set or dry the cover material.
SEE OR SEARCH CLASS
100, Presses, for a press not elsewhere provided for.
493, Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web,
183+, for making a rigid container including closing the end of a tube by folding end flaps; subclasses 260+ for making a pliable container including folding end flaps; and subclass 308 for apparatus to close the end of a tube, e.g., by
