| 摘要 |
PURPOSE: A cover for an arm-roll container box is provided to prevent rainwater from being introduced into the arm-roll container box by forming a protrusion at the circumference of an injection port. CONSTITUTION: A cover(200) for an arm-roll container box(100) is fixed to an opening of the arm-roll container box, and includes an injection port(220). Wastes are injected into the arm-roll container box through the injection port. A door(230) is rotatably fixed to the injection port by a hinge. A protrusion(240) is formed at the circumference of the injection port, and prevents rainwater from being introduced into the injection port. |
