| 摘要 |
PROBLEM TO BE SOLVED: To enhance the sense of satisfaction of a bathing person and to improve the massage effect by providing a plurality of jet flow outlet ports at least on the side surface on the back side of the bathing person of bathtub, and vertically arranging the outlet ports substantially in the center of the bathtub side surface. SOLUTION: Outlet ports 1 and 2 are vertically arranged on the side surface 11 of a bathtub 10 on the back side of a bathing person, and two outlet ports 3 and 4 are horizontally arranged on the foot-side side surface 12 of the bathtub. Namely, the two outlet ports 1, 2 situated on the back side of the bathing person are vertically provided preferably in the center of the side surface 11 of the bathtub 10, particularly, in positions corresponding to the center of the back and corresponding to the vicinity of the waist. The foot-side outlet ports 3 and 4 are horizontally arranged so that jet flows touch the soles of the feet. According to this, since the outlet ports 1 and 2 are vertically arranged so as to touch the jet flows to about the center of the back and he vicinity of the waist, the bathing person can expose preferential positions to the jet flows without largely moving the body so as to be substantially matched to the need of the bathing person.
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