| 摘要 |
PURPOSE: To enable a shortened pencil to be used for a long period by elongating the lower part of a pencil suck. CONSTITUTION: A prior art sack 1 is elongated in its lower part. Although the prior art sack 1 of a pencil is used for preventing a pencil lead from being broken, in addition thereto, a shortened pencil is allowed to be used for a long period by forming the lower part of the sack 1 longer than in prior art one. |
