| 摘要 |
PURPOSE: To open an upper lid gently at suitable speed at the time of a cap opening operation, without contaminating contents with rust, and reliably seal nozzle of a cap main body when the cap is closed. CONSTITUTION: In a cap 10, a proximal end portion 26A of a rubber-like elastic member 26 is mounted on the circumference of an inner seal 20 of an upper lid 12 and, when the upper lid 12 is closed, the rubber-like elastic member 26 can be elastically deformed between a cap main body 11 and the upper lid 12. The rubber-like elastic member 26 is made possible to be held and pressed between the circumference of the inner seal 20 of the upper lid 12 and the circumference of a nozzle 19 of the cap main body 11. |
