| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a direct liquid-writing utensil capable of suppressing leakage of ink from a pen tip while securing excellent following performance in upward writing. <P>SOLUTION: In the direct liquid-writing utensil, an ink tank storing the ink 3 and an ink storage body 6 are disposed inside a body and before the ink tank, respectively. Openings of a communication member 7 extended from the ink tank are positioned inside the ink storage body 6, and the pen tip 4 is arranged before the ink storage body 6 so as to project from the body. The communication member 7 extended from the ink tank is formed of one narrow diameter tube. A high-density region 6a of the ink storage body 6 is formed before the openings of the communication member 7, and the plurality of opening of the communication member 7 are provided near a portion in which the high-density region 6a is formed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
