| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a signboard allowing a change of a notice matter in a short time by solving the problem of increasing running cost if the signboard is damaged after few times of diversion because the signboard for construction is handled in inferior environment and the signboard formed of a metal material is often dented, bent, distorted or damaged, and the signboard for construction is recently leased for use in many cases. <P>SOLUTION: A base 0101 of the sign board for construction on a road is formed of a plastic corrugated board to improve the durability of the signboard for construction on the road. A reflecting sheet 0102 is disposed on the surface of the base formed of the plastic corrugated board, and notice information which requires a change is changed with cut characters, character sheets, or the like to provide the signboard for construction on the road repeatedly usable and low in cost. <P>COPYRIGHT: (C)2008,JPO&INPIT |
