Patent ID: 6719173
Filing Date: 2004-04-13
Classification: B65D

Abstract:
A package for dispensing a liquid product, which comprises:an outer shell having a flexible resilient sidewall, a base wall, a finish surrounding an outlet opening, and an opening centrally disposed in said base wall, an inner liner disposed within said outer shell, said inner liner being unattached to said sidewall and said base wall of said outer shell, and being collapsible with respect to said outer shell to dispense product within said liner, a dispensing closure secured to said finish, including a dispensing opening for dispensing product from within said liner when said package is inverted and said shell sidewall is squeezed, and an atmospheric valve assembly comprising a base secured over said base wall of said outer shell, a valve pocket within said base having a bottom wall with an atmospheric vent opening, and a valve disk in said valve pocket, said valve disk being flat and of uniform thickness, having a central portion for covering said vent opening, a peripheral portion secured within said valve pocket against said bottom wall, and a plurality of flexibly resilient spokes interconnecting said central and peripheral portions to permit movement of said central portion with respect to said peripheral portion and said vent opening, spaces between said spokes permitting passage of air from said vent opening in said base wall when said disk is paced from said vent opening.