(under subclass 266.1) Apparatus wherein the cover is comprised of upper and lower planar sheets which, after formation of the package, will engage each other and be united at their perimeters, which cover is intended to receive sheet-like goods.
(1) Note. An "envelope" with a bellows or gusset is not included herein.
SEE OR SEARCH THIS CLASS, SUBCLASS:
460, for a method of package making wherein the package is an envelope or is closed by a triangular flap fold.
