Disclosed is a package formed from a one-piece wrapper, typically made of carrier board, that is folded around twenty-four cans or bottles including a top and bottom of the package having cuts or perforations that partially separate the package into two twelve-packs; each side of the package having at...http://www.google.es/patents/US5299733?utm_source=gb-gplus-sharePatente US5299733 - Detachable multi-unit package with flap