| 摘要 |
PROBLEM TO BE SOLVED: To prevent a liquid content from being easily poured out when a hat-shape external cap is simply opened by infants and toddlers without enough judgment, and prevent a drinking by mistake, etc., from generating by a simple structure for a pouring-out port plug which is attached to a medium or large sized paper container for liquid made of a paper laminated material to house non-edible liquid such as chemicals, lubricant or liquid detergent. SOLUTION: A pouring-out port plug is constituted by providing a cylindrical plug body 20 which has a flange part 21 on the lower external wall, and a hat-shape external cap 30 which is spirally fitted on the external wall of the cylindrical plug body 20, and opens or closes the pouring-out port by rotating. In this case, a hat-shape internal plug 10 which has a liquid pouring-out port 11 and an air suction hole 12 at locations being confronted to each other on the side wall, and is liquid-tightly fitted in the internal wall of the cylindrical plug body 20, and opens or closes the pouring-out port by vertically moving, is provided. |
