PROBLEM TO BE SOLVED: To provide a chair type bathtub enabling convenient, safe and comfortable bathing.SOLUTION: A chair type bathtub capable of accumulating liquid, solid and gas by providing a fence around a chair enables washing while sitting on the chair, washing off a human body while sitting on the chair, soaking and warming the human body by keeping hot water by surrounding the chair and accumulating hot water, and bathing while sitting on the chair. Furthermore, hot water after bathing can be drawn out, and an amount of hot water in bathing can be appropriately and properly managed and set.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】便利、安全な、快適な入浴が出来る椅子式風呂を提供する。【解決手段】椅子の周りに囲いを設けて、液体、固体、気体をためる事が出来る椅子式風呂であり、椅子に腰かけたまま洗う事が出来、椅子に腰かけたまま身体を流す事も出来、椅子の周りを囲みお湯を貯める事が出来る様にする該お湯を逃がさない様にして、身体をお湯に浸かる、温める事が出来、椅子に腰かけたままで入浴する事が出来る。又入浴時後のお湯を抜くことも出来る。又該入浴時のお湯の量は適宜適切に管理、設定する事が出来る。【選択図】図1