| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology capable of stabilizing the outflow of ink after installing and preserving a cap, in a ball point pen having liquid pressurizing means for pressurizing the ink.SOLUTION: One end-blocked-up bottomed cylindrical inner lid parts 49 and 61 are provided inside a cap 2 installed on a ball point pen, and a small-sized storage space 55 is formed for storing a tip part of a ball pint pen tip 4 on its inside. When installing the cap 2, a tip 22-fitting part for surrounding the rear end side of the ball point pen tip 4, blocks up an opening part of the small-sized storage space 55, and also separates the tip part of the ball point pen tip 4 and an inner peripheral surface of the small-sized storage space 55. |
