| 摘要 |
PROBLEM TO BE SOLVED: To provide a top board which has a plywood top board body, has a stiffness against forces deforming the top board from any direction with a small number of parts, and can be assembled with a reduced man hour. SOLUTION: In a top board 1 having a plywood top board body 3, the top board body 3 includes a flat part 31 and curled parts 32 which is formed on two facing sides of the flat part 31 and obtained by curling a plywood. Reinforcements 4 are attached to the top board body 3 only in a direction in which the reinforcement crosses the curl part 32. COPYRIGHT: (C)2008,JPO&INPIT
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