| 摘要 |
PROBLEM TO BE SOLVED: To provide a writing instrument which increases supply of ink and further can increase the supply of ink quickly by gripping a barrel.SOLUTION: A writing instrument 1 includes a core part 2 with ink filled; a pen tip end part 3 to which the ink is supplied from the core part 2; a rear barrel 4 arranged on an outer side of the core part 2; and a front barrel 5 which is in contact with the pen tip end part 3 and supports it from an outer side. The rear barrel 4 and the front barrel 5 are respectively structured of carbon moldings. The carbon molding of the rear barrel 4 includes a female screw 4c in a periphery of a front end. The carbon molding of the front barrel 5 is so formed that a male screw 5a is screwed with the female screw 4c of the rear barrel 4 in a periphery of a rear end.SELECTED DRAWING: Figure 1 |
