| 摘要 |
PROBLEM TO BE SOLVED: To provide a bathtub in which a person can bathe in a relaxed state in a stable bathing posture.SOLUTION: A bathtub includes: a hot water storage part 10; a backrest part 31 which is inclined at an angle of 40 degrees or more with respect to a horizontal plane and which has a backrest surface 31S subjected to abutting of the back of a bathing person H; and a pillow part 32 which is positioned ahead of a virtual extension surface X formed by extending the backrest surface 31S upward, which has an inclination with respect to the horizontal plane set steeper than the backrest surface 31S and which has a pillow surface 32S subjected to the abutting of the occipital region of the bathing person H. |
