| 摘要 |
PROBLEM TO BE SOLVED: To prolong a life without disturbing ink supply to a distal end part of a chip by a relay core, by reducing evaporation and drying of ink.SOLUTION: This writing implement 1 includes a core storage pipe 9 engaged with a rear end part of the chip 2, and comprising a metal material for storing to cover an outer circumferential face while exposing a rear end face of the relay core 7, and a distal end plug 11 engaged with a rear end part of the core storage pipe 9 while exposing the rear end face of the relay core 7, attached to a front side of an ink storage part 5, for connecting the relay core 7 to the ink storage part 5, and comprising a resin material, and an air exchange passage 12 is formed slender to reach the ink storage part 5 without contacting directly with the outer circumferential face of the relay core 7, in an inside of the distal end plug 11. |
