| 摘要 |
PROBLEM TO BE SOLVED: To simply remove a pouring device from a mouth of a bottle. SOLUTION: A vertical tear-up line 22 crossing an annular protuberant part 3 to be engaged with an annular groove b of a mouth part a and an upper tear-up line 20 and a lower tear-up line 21 extending oppositely in the inner circumferential direction from both ends of the vertical tear-up line 22 are formed at the inner circumference of a fitting tube 2 to be fitted to the mouth part a of a bottle A. An incision 24 for forming a tab 23 at the lower part of the lower tear-up line 21 is provided at the lower end of the fitting tube 2. After the tab 23 is pulled in the circumferential direction, the lower tear-up line 21, the vertical tear-up line 22 and the upper tear-up line 20 are torn up successively, and a pouring device is removed. |
