| 摘要 |
PROBLEM TO BE SOLVED: To provide a plug for a vessel capable of smoothly opening, without causing a user to feel pain in fingers, even when a diameter of a pull ring is designed small.SOLUTION: A plug 10 for a vessel comprises a wall part 31 having a cutoff area 32 partitioned by a breakable line 32a, a column 60 extending by projecting from an upper surface of the cutoff area 32 and a pull ring 50 supported by the column 60 via a connection part 51, and forms an injection port in the wall part 31 by breaking the breakable line 32a by pulling by hooking fingers on the pull ring 50, and in the plug 10 for the vessel, the pull ring 50 comprises a protective piece 52 projecting from its upper edge, and the protective piece 52 is formed over the connection part 51 and both sides of the connection part 51 in the circumferential direction of the pull ring 50.SELECTED DRAWING: Figure 4 |
