| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink eraser for solving such problems that labor is required when a stamp is used to erase personal information, bulky garbage is produced when being cut by shredders or cutting scissors, a cost for disposal is required, and a burden on an environment arises. SOLUTION: The ink eraser is provided which applies a mixture prepared by mixing a liquid paste with India ink to a portion intended to be erased to smear away characters and further laminates another one sheet on a sheet to make characters of two sheets unreadable at a time. COPYRIGHT: (C)2011,JPO&INPIT
|
