| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a bathtub that has highly flexibility in that the shape of the inside of the bathtub can be changed.SOLUTION: A bathtub B includes a bathtub body 10 and a shape change element body 20 which is arranged in the bathtub body 10 for changing the shape of the inside of the bathtub body 10. The shape change element body 20 includes a stool element body 30 which forms a stool in the bathtub body 10 and a bottom raising body 40 which raises the bottom of the bathtub body 10. When the bottom is raised, a bottom raising auxiliary plate 42 which is stretched between the bottom raising bodies 40, 40 is used.</p> |
