| 摘要 |
PROBLEM TO BE SOLVED: To provide a lightweight floor panel having high strength, without requiring cost so much. SOLUTION: This floor panel is composed of a separately molded panel body 1 and a surface mounting plate 2. At least the panel body 1 is constituted by forming a plurality of ribs 12 on an upper surface of a bottom plate 11 as the same body by aluminum die-cast, or is formed of a separately molded bottom plate 13 and an intermediate frame 15 having a plurality of ribs 14, or is constituted by forming the plurality of ribs 14 formed in the same size or less as the surface mounting plate, and is constituted by integrally superposing the surface mounting plate 2 on an upper surface of the panel body 1. COPYRIGHT: (C)2006,JPO&NCIPI
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