Importance

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Abstract

Air-vented liquid dispensers are disclosed herein, including refill units for use in connection with such dispensers. A cap is attached to the rigid container. A manifold of the refill unit is secured to the neck portion, and includes an air passage for air to enter into the container and a liquid passage for liquid to exit the container. In some embodiments, one of the cap and the container comprises a protrusion, and the other of the cap and the container comprises a seat for the protrusion, such that an interface between the protrusion and the seat forms an air vent pathway for the refill unit. In other embodiments, one of the cap and the container comprises a flexible and resilient valve member which in a rest position extends to contact the other of the cap and the container.

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First Claim