초록 ▼

A dispenser body and a closure cap assembly for a container is presented which provides not only a closure for the container, except for communication with the dispenser, but also provides an air inlet operable upon the withdrawal or expulsion of the contents of the container so that air will be rep

A dispenser body and a closure cap assembly for a container is presented which provides not only a closure for the container, except for communication with the dispenser, but also provides an air inlet operable upon the withdrawal or expulsion of the contents of the container so that air will be replenished therein to restore normal air pressure. The air inlet closes automatically when this has been accomplished to prevent leakage of the contents of the container.

대표청구항 ▼

A closure cap for the outlet of a fluid container associated with the body of a dispenser wherein the cap and the body are permanently retained together as an assembly, means on said cap permitting its attachment to the container, means adapted to seal the outlet of the container when the cap is att

A closure cap for the outlet of a fluid container associated with the body of a dispenser wherein the cap and the body are permanently retained together as an assembly, means on said cap permitting its attachment to the container, means adapted to seal the outlet of the container when the cap is attached to the container, valve means on said cap and seating upon said body to permit fluid flow into but not out of the container with said valve means in communication with the container\s interior and the outside air, and said valve means responsive to sub-atmospheric air pressure within the container to admit atmospheric air into the container.