A system for supplying liquid in large bottles from a point where they are filled to a dispenser having a reservoir for receiving the liquid. The bottles each have a neck which carries a cap unit for closing the spout thereof. Each cap unit has an outlet valve that is normally closed. The reservoir has...http://www.google.es/patents/US4991635?utm_source=gb-gplus-sharePatente US4991635 - Decap dispensing system for water cooler bottles
