WIPING-OUT TYPE ERASING TOOL FOR WRITING PLATE

摘要

PROBLEM TO BE SOLVED: To provide an erasing tool provided with not only a good erasing performance at the starting point but also keeping a high erasing function for a long time, of low cost, high restoring properties and highly satisfactory simplicity for the operation and eliminating problems of erasing instruments commonly known heretofore. ;SOLUTION: The wiping-out type erasing tool for the writing plate is provided with a porous material with a number of through-holes fixed on its surfaces, and fiber bundles are inserted and disposed in the through-holes, and one ends of the fiber bundles are filled and fixed in the bristlelike hair shape on an erasing tool base.;COPYRIGHT: (C)2001,JPO