< Topic >While bathing, without heat and the steam escaping from the part where you opened to be able close the cover of the bathtub completely, the empty is one part touching the air without, making use of the steam like the sauna to be warmed the cover of the bathtub which makes easy is offered. SolutionsWhile bathing it can expose just the head and it is the bathtub cover of the structure where the steam does not escape outside with airtightness structure, just the part which can expose cover 1 the head among the whole bathtub which consist of the plate-like hard body makes thin soft condition synthetic resin Characteristic sheet 2, inserting the break 3 because the head penetrates the material of soft condition, makes the bathtub cover.< Choice figure >Drawing 1【課題】入浴中に、浴槽のふたを完全に閉じることができる様にして、あいた部分から熱や湯気が逃げることなく、からだの一部分が外気にふれる事もなく、湯気を利用してサウナのようにあたたまり易くした浴槽のふたを提供する。【解決手段】入浴中に頭部だけが露出できかつ密閉構造で湯気が外に逃げない構造の浴槽ふたであって、平板状硬性体からなる浴槽ふた1全体のうち頭部が露出できる部分だけ薄手軟質状合成樹脂性シート2とし、頭部が軟質状の物質を突き抜けるための切れ目3を入れて浴槽ふたとする。【選択図】図1
