| 摘要 |
<P>PROBLEM TO BE SOLVED: To achieve weight reduction of a floor board while ensuring predetermined strength as the floor board. Ž<P>SOLUTION: The floor board has: a reinforcing frame body 1 exhibiting a frame shape in plan; a plate-like core 2 having a number of dips 2a formed on a surface thereof, and fitted inside the frame body 1; an adhesive 5 applied to upper surfaces of the frame body 1 and the core 2; and a flat plate 3 arranged on the upper surfaces of the frame body 1 and the core 2 so as to cover the same via the adhesive 5. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
|
