BOTTLE CAP IN WHICH TWO DIFFERENT MATERIALS ARE MIXED, COUPLED TO NECK OF CONTAINER

摘要

Disclosed is a bottle cap having two dissimilar materials, disposed on a container having a certain content, in the direction of discharge of the content, comprising: a main body coupled about the center of the opening of a container; and a functional portion coupled to the central opening located at the top of the main body, and having a storage space and a receiving portion. The two dissimilar materials mix during the coupling of the bottle cap to the neck of the container in a process whereby the main body is made to contact the central opening of the container, and the functional portion, which further comprises a screw threading formed on an inner sidewall thereof, couples to the main body in a direction reverse to the direction the main body couples with the container As the main body couples about the central portion of the container opening, the functional portion screw threading winds open the functional portion on the main body opening and opens the bottom of the receiving portion.