Vent valve assemblies for baby bottles
AssigneeAngelcare Feeding USA, LLC
InventorCharles RENZ
Life of this patent
Estimating the term…
Abstract
A vent valve, and a vent valve assembly, for a liquid dispensing container, employ a vent disc having small open vent holes in cooperation with an overlying thin flexible flap that covers and closes the vent holes to limit liquid pressure on the holes when the container is upright, yet require little suction pressure to move the flap to draw liquid or vent through the holes. The vent valve can be used in a bottom cap that is attachable to the bottom open end of the container. The vent valve assembly includes such a bottom cap, a sealing member for sealing the bottom cap to the container, and a vent valve. The vent valve and/or bottom cap have an elevated vent disc and a top portion having the thin flexible flap.
Claims8
1-13. (canceled)
A vent valve assembly for a liquid dispensing container, comprising:
- a bottom cap including:
- a bottom wall having a plurality of holes extending therethrough, and
- a side wall extending about the bottom wall, the side wall defining a structure configured to be engaged to a bottom open end of the liquid dispensing container;
- and
- an annular flexible flap covering the plurality of holes in the bottom cap, the flexible flap deformable from a first configuration to a second configuration, wherein in the first configuration the flexible flap contacts the bottom wall and closes the plurality of holes and in the second configuration the flexible flap is distant from the plurality of holes, for vent air to flow into the liquid dispensing container and alleviate the vacuum created in the liquid dispensing container during feeding or dispensing when the liquid dispensing container is in a tipped feeding or dispensing position.
Dependencies are inferred from the claim text.