| 摘要 |
PROBLEM TO BE SOLVED: To provide a bathtub lid having facings and an edge protector with high durability while preventing increase of the weight. SOLUTION: The bathtub lid 1 has an upper face member 3 and a lower face member 4, and the edge protector 2 arranged on the peripheries of both face members 3 and 4. The edge protector 2 has an outer circumference wall 20 and supporting pieces 21 arranged inside the outer circumference wall 20 so as to support the peripheries of facings 3 and 4.A space 23 for buffering is formed between the outer circumference wall 20 and base parts 22 of the supporting pieces 21. Rigid urethane foam 11 is filled as heat insulating material in the space 23 and space between the face members 3 and 4. COPYRIGHT: (C)2006,JPO&NCIPI
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