| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a direct liquid type writing utensil, which has no fear of leaking the ink in an ink tank from a pen point side and, in addition, in which air and the ink interchange quickly at an initial ink feed, resulting in making writing possible in a short period of time. <P>SOLUTION: This direct liquid type writing utensil 1 consists of a pen point 2, an ink occluding body 3 connected with the rear end of the pen point 2, an ink tank 7 directly storing with ink 8 and communicating vessels connecting between the ink tank 7 and the ink occluding body 3 under the condition that the communicating vessels 52 consists of a plurality of ones, a partition wall 51 is provided between the ink occluding body 3 and the ink tank 7 in such a manner that each communicating vessel 52 projects ahead from the front surface of the partition wall 51, the front end of each communicating vessel 52 is located within the ink occluding body 3 and a connecting pipe 53 insertingly attachable within the front end opening part of the ink tank 7 is projected rearwards from the rear surface of the partition wall 51 and a flow path 52a in each communicating vessel 52 is past through the partition wall 51 locating within the connecting pipe 53. <P>COPYRIGHT: (C)2007,JPO&INPIT |
