| 摘要 |
PROBLEM TO BE SOLVED: To enhance the sound insulation property of a watertight floor pan composed chiefly of a floor pan body made from synthetic resin, thereby making users feel like walking on a tiled floor where the top of concrete is covered with tiles. SOLUTION: The floor pan body 1 made from synthetic resin is laminated on its bottom face with reinforcement 2 and a sound insulator 3. The reinforcement 2 and the sound insulator 3 are integrally covered with an overlayer 4 of synthetic resin and integrated with the floor pan body 1. COPYRIGHT: (C)2004,JPO
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