INSIDE PLUG AND SUCKING TYPE LIQUID CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide an inside plug which inhibits leakage of a liquid.SOLUTION: An inside plug 10 includes: an inside plug body 12 which is held by an opening part; a liquid absorption core holding part 17; and a ring 18 which is held by the liquid absorption core holding part 17, positioned in an internal space of a container body 2 when the inside plug body 12 is held by the opening part, and is moved close to a flat surface 15 by gravity when a sucking type liquid container 1 is overturned.