PLUG MEMBER FOR BEVERAGE CONTAINER

摘要

PROBLEM TO BE SOLVED: To prevent air from being flowed when beverage is drunk through a suction port, enable beverage to be efficiently drunk through it and further prevent beverage from dripping from the suction port. SOLUTION: A seal member 8 brought into slidable contact with an inner circumferential wall of a suction port 7 for use in opening or closing a flow passage 6d outwardly fitted to a main body segment 6 of the suction port is installed at an outer circumference of the main body segment 6 of the suction port having the flow passage 6d.