OPENING AND CLOSING STRUCTURE OF PLASTIC BOTTLE STOPPER OF SPECIAL FUNCTION MIXING TWO MATERIALS

摘要

The present invention relates to a product comprising a bottle stopper portion (an outer cap, a spout and a storage container) and a container coupled thereto, which couples a newly developed structure of a body inner surface of a side surface of the external cap to a newly developed structure on a side surface of a wing portion of a storage cup so as to be possible to separate a storage cup set from a container entrance by only using the external cap.;COPYRIGHT KIPO 2019