US Patent 10189614 Container and cap assembly

A cap for closing an opening in a container, the container having a top wall in which the opening is formed, a bottom wall, and at least one container side wall extending between the top wall and the bottom wall defining a cavity for storing a material for dispensing through the cap includes an end face having at least one fluid inlet adapted to allow air to flow through the cap and at least one fluid outlet, separate from the at least one fluid inlet, adapted to allow liquid to flow through the cap, a side wall extending from the end face, and a retaining element provided on at least a portion of the side wall.