| 摘要 |
PURPOSE: A cube board using a wastepaper is provided to save the management expense of the board and to minimize the safety accident because the self-weight of the board is light. CONSTITUTION: A cube board using a wastepaper is composed of a front side wall(27), a left side wall(26), a right side wall(28), and a connection side wall(31). The front side wall is bent and extended above the height of protrusions(22,23,24) forming the inside of a lower plate(21). The length of the left side wall is the same as the longitudinal length of the lower plate. The left side wall and the right side wall are bent and extended above the height of the front side wall. Plural lower plate protrusions are formed at regular intervals within the lower plate. The connection side wall is bent and extended in the outer edge of the lower plate, and is formed at the same width as the height of the lower plate.
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