Multilayer container package for dispensing a liquid product

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 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 structure secured to said finish, and
• an atmospheric valve assembly comprising a base secured over said base wall of said outer shell, a valve pocket within said base having an atmospheric vent opening, and a valve disk in said valve pocket for selectively opening and closing said vent opening in response to pressure of air between said outer shell on said inner liner,
• said valve disk including a periphery secured to said base within said valve pocket, a central portion overlying said vent opening, and a plurality of resilient spokes interconnecting said central portion with said peripheral portion while permitting movement of said central portion with respect to said peripheral portion and said vent opening.

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 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 structure secured to said finish, and
• an atmospheric valve assembly comprising a base secured over said base wall of said outer shell, a valve pocket within said base having an atmospheric vent opening, and a valve disk in said valve pocket for selectively opening and closing said vent opening in response to pressure of air between said outer shell on said inner liner,
• said vent opening being centrally disposed in said pocket, and said valve disk having a solid central portion for covering said vent opening and a peripheral portion with arcuate openings for permitting passage of air when said valve disk uncovers said vent opening.