| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pen with which any picture or graffiti can not be made on the wet wall of a bath or the like or does not disappear due to water, and to enable the drawn ones not disappearing due to water to be disappeared. <P>SOLUTION: The contents of the felt-tipped pen is a mixture consisting a quick-drying enamel solvent and a coloring matter.The coated surface can be wiped out with a nail-remover and the like. Although the pen-nib is small-brush-shaped and normally built in the pen, when used the pen-nib is exposed by knocking on the rear end of the pen. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
