| 摘要 |
PROBLEM TO BE SOLVED: To provide a writing instrument capable of effectively consuming an ink by preventing occurrence of a blank in an ink occlusion substance when the substance having a sheath is disposed in an ink tank and preventing a fault from being caused in writing or the like and to solve the problem that an ink leaks from a nib. SOLUTION: The writing instrument comprises the ink tank, an ink reservoir capable of holding the ink, the nib, an ink guide unit for guiding the ink of the tank to the nib, and the ink occlusion substance capable of supplying the ink to the ink guide unit and having the sheath. The sheath of the occlusion substance has a through part. |
