| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a writing instrument equipped with a special hand writing performance and an excellent decorating property and having a high novelty effect, by which internally contained ink does not carelessly decolor by direct rays even when the thermally discoloring ink which decolors in a living temperature region is contained in the writing instrument, even when the exterior has a decoration by a film transfer, and reproducibility of the tone of a transferred image can be obtained without using a white solid layer. <P>SOLUTION: As for this thermal discoloring writing instrument 1 containing the ink 4 which can be decolored or discolored by heating, the brightness value of the exterior 6 of the writing instrument is 6.3 or higher, and at the same time, a transfer layer 9 formed by the film transfer is laminated on the surface of the exterior. <P>COPYRIGHT: (C)2011,JPO&INPIT |
