| 摘要 |
<P>PROBLEM TO BE SOLVED: To make the continuous use of an eraser possible by easily removing a part of a cover case hindering the use of the eraser when the volume of the eraser is decreased. <P>SOLUTION: A tag is disposed in the cover case of the eraser, perforations are formed therein, and the case is attached to an eraser body. A slit is formed at each tag-adjoining corner, and the perforation continuing from a tip of the each slit is formed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
