CAP ASSEMBLY HAVING STORAGE CHAMBER FOR SECONDARY MATERIAL WITH INSEPARABLE WORKING MEMBER
摘要
<p>A cap assembly mounted on a neck of a container for containing a ingredient different from that in accommodated in a container comprises a cap body having an inner housing formed with a chamber for storage of a secondary ingredient and a working member adapted to open a low end opening of the chamber to allow the secondary ingredient in the chamber of the inner housing to be mixed with a primary ingredient in the container. The mixed ingredients may be discharged through an opening.</p>
