| 摘要 |
PURPOSE: An advertisement device is provided to attract the attention of passengers by floating a floating material installed inside of a transparent tube. CONSTITUTION: An advertisement device comprises a tube body (100), a floating material (130), and an air inlet unit (140). The tube body is composed of first and second tubes (110, 120). The first tube is inflated by air pressure, and characters or figures for advertisement are printed on the outer surface thereof. The second tube is composed of a transparent material and is connected to the first tube. The floating material is installed inside of the second tube and floats inside of the second tube. The air inlet unit is connected to the second tube and sends air supplied from an air blower to the inside of the second tube to float the floating material. |
