发明名称 ROAD WORK DISPLAY PLATE
摘要 <P>PROBLEM TO BE SOLVED: To provide a work display plate usable continuously and cleanly over a long period of time although the work display plate is frequently damaged after used only about three times because the work display plate formed of a metallic material is recessed, bent, distorted, or the like as it is handled in poor environment in the same way as equipment and materials for works. <P>SOLUTION: A plate body 0101 of the work display plate is formed of plastic corrugated cardboard. A recess, a bend or distortion like the metal material is not thereby formed to improve the durability of the work display plate. A reflecting sheet 0102 is disposed on the surface of the plastic corrugated cardboard to improve visibility at night and in a dark place. A re-releasable sheet 0103 is further arranged to allow repeated marking with cut characters, a marker for a white board, or the like. <P>COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007146560(A) 申请公布日期 2007.06.14
申请号 JP20050344726 申请日期 2005.11.29
申请人 SSC:KK 发明人 KAWAI TAKASHI
分类号 E01F9/677;G09F7/00;G09F7/12;G09F13/16;G09F15/00 主分类号 E01F9/677
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