| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lightweight and strong plastic sign tool. <P>SOLUTION: This sign tool has a set of front-rear plastic display plates 1A and 1B. The front-rear display plates 1A and 1B form divided hinge parts 7a and 7b on the left and right of the upper end of a display plate body 6, and are formed by blow molding by the same molding metal mold. Both display plates 1A and 1B are openably-closably/pivotally joined via the left-right divided hinge parts 7a and 7b in a state of facing in opposite directions. A recess 10 is formed between both divided hinge parts 7a and 7b of both display plates 1A and 1B, and a grip 3 is arranged in this recess 10. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
