(under subclass 285) Apparatus for rotating a tubular projecting end portion of the cover relative to the contents
contacting portion of the cover so as to cause the projecting portion to be collapsed inwardly to contents enclosing position.
SEE OR SEARCH THIS CLASS, SUBCLASS:
181, for closing a progressively seamed web between package units by twisting.
217, for wrapping apparatus in which a cinched or wiped around cover is closed by end twisting.
227, for wrapping apparatus in which an initial pouch shape is closed by twisting.
SEE OR SEARCH CLASS 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 twisting.
