| 摘要 |
PROBLEM TO BE SOLVED: To obtain beverage cans having a tap defined by a tearing off weakened line 4 made on a tap board 1, and putting a lid openably on the tap once opened for preventing remained beverage from leaking out therefrom. SOLUTION: A rotatable lid board 10 rotating around a central pin 2 is mounted on the upper surface of a top board 1, and the lid board 10 has opening means 20 for forming an opening 5 at one side extended from the pin 2, and a lid board 11 at the opposite side thereof, thus, by allowing the lid board 11 to rotate and covering the opened tap, closing the tap with the lid openably. |
