Cap Assembly Releasing Dose Upon Opening and a Container Including the Same

A container including a cap assembly, which comprising:

• a bottle for accommodation of a second dose;
• a collar mounted on the bottle and having
• an engaging recess inside the collar;
• an inner threaded section defined at an opening of the engaging recess;
• a sealing surface defined at a bottom of the engaging recess;
• and
• at least one passage formed between the sealing surface and the inner threaded section to communicate with the bottle;
• and
• a cap for accommodation of a first dose and having:
• a filling space inside the cap;
• a cap opening communicated with the filling space and engaging with the sealing surface of the collar;
• and
• an outer threaded section defined on an outer periphery of the cap opening to engage with the inner threaded section of the collar so that the cap opening is completely sealed by the sealing surface to block the at least one passage of the engaging recess to the accommodating space so that the first dose is stored in the filling space.