| 摘要 |
PROBLEM TO BE SOLVED: To provide an eco-friendly outer casing for a game machine which conserves wood resources, saves resources and can be recyclably used by reducing its weight and facilitating its disassembly while using resin materials and setting a product strength at a degree sufficiently immune to the total load applied to the outer casing at its storage and transport time. SOLUTION: In a plurality of surface boards 11-15, each of the upper surface board 14, the left and right side surface boards 12 and 13 and the back board 11 is composed of a resin board 20 composed of a pair of mutually confronted wall surface bodies 21 and 22 and a rib 23 connecting both the wall surface bodies 21 and 22. The rib 23 in the resin board 20 is located in a prescribed situation immune to the load from the upside to the resin board 20 and the hollow rate of the resin board 20 is set approximately from 30% to 80%.
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