发明名称 |
WRITING UTENSIL |
摘要 |
<p>A writing instrument equipped with an exchangeable inner pen filled with an ink containing a solvent having a vapor pressure of 1 to 50 mm Hg (20 DEG C) in a writing instrument main body which is a barrel part, wherein the inner pen described above has a pen tip comprising a fiber feeder or a plastic feeder, and the above pen tip is coated with a substance having a vaporization-inhibiting action in an amount of 0.01 to 20 % by weight in terms of a weight ratio based on the pen tip. It is more effective to further add a substance having a vaporization-inhibiting action to the ink. The substance having a vaporization-inhibiting action includes glycerin derivatives, polyoxyethylenesorbit fatty acid esters, alkyl phosphates, waxes and lecithin. <IMAGE></p> |
申请公布号 |
EP1295734(A1) |
申请公布日期 |
2003.03.26 |
申请号 |
EP20010941048 |
申请日期 |
2001.06.14 |
申请人 |
MITSUBISHI PENCIL KABUSHIKI KAISHA |
发明人 |
OSADA, TAKAHIRO;AMI, KAZUHIRO;SAWA, YUKINORI |
分类号 |
B43K1/00;B43K1/12;B43K5/17;B43K8/02;C09D11/16;(IPC1-7):B43K8/02 |
主分类号 |
B43K1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|