| 摘要 |
PROBLEM TO BE SOLVED: To provide a direct fluid-type writing utensil which need not increase the storage volume of a temporary ink storage part following an increase in the capacity of an ink tank and inhibits an ink blowoff, when a pen core is turned up in a standing-up position and further, realizes a satisfactory continuous manuscript regardless of a writing position. SOLUTION: This direct fluid-type writing utensil structurally comprises the temporary ink storage part 5, an ink tank part 8 constituted of a first ink tank chamber 6 and a second ink tank chamber 7 with an ink inflow orifice 7a for an ink stored in the first ink tank chamber 6 to flow in, comparted and formed, the part 5 and the part 8 being connected one after another. In addition, an ink guide core 9 is arranged, penetrating the second ink tank chamber 7 and the temporary ink storage part 5. Further, a rear part wall 12 as an ink supply body for absorbing the ink and supplying the absorbed ink to the ink guide core 9 is arranged at a position where the rear part wall 12 comes into contact with the ink inside the ink tank part 8, when the ink inside the part 8 is set in a writing position where the ink does not come into contact with the ink guide core 9. |
