Patent ID: 7104426

Claim:
A discharge container comprising: an outer container, which has the flexibility to make said container squeezable and recoverable to its original shape and is provided with a cylindrical outer neck on top thereof; an inner container, which is deformable with the decrease in the content and is disposed inside said outer container under the condition that a cylindrical inner neck has been directly engaged and assembled with, and tightly fitted to, said outer neck; a first check valve mechanism, which is engaged and assembled with, and tightly fitted to, the inside of said inner neck and is used to open or close the opening of said inner neck while preventing outside air from creeping in said inner container; and a second check valve mechanism, which is engaged and assembled with, and tightly fitted to, either one of said outer neck or said inner neck, with the lower end of this mechanism being in tight contact circumferentially with the other one of said outer neck or said inner neck, and which is used to open or close air flow channels passing from an upper air intakes between the inner and outer necks in such a way that allows outside air to enter a void between said outer and inner containers but does not allow air in the void to escape outside.