PROBLEM TO BE SOLVED: To prevent an air inlet from interfering with a bath lid and to prevent water from leaking to the back surface side of a bathtub.SOLUTION: An air bubble generator 3 for jetting air bubbles to the bathtub 2 and an apron 5 disposed between the bathtub 2 and a waterproof pan 4 on the washing place side are provided. The air inlet part 6 of the air bubble generator 3 is attached to the apron 5, and the air inlet 6a of the air inlet part 6 is made to face the washing place side G. On the washing place side G of the apron 5, an outer lid 5d which is a decorative lid covering the air inlet 6a is provided. The jetting port part 8 of the air bubble generator 3 is attached to the bathtub 2 a silencer 13 is provided in the middle of an air introducing pipe 12 communicating the jetting port part 8 and the air inlet part 6 the inflow port of the silencer 13 is positioned at the upper part and an outflow port is positioned at the lower part.COPYRIGHT: (C)2009,JPO&INPIT【課題】吸気口を風呂蓋に干渉させず、また浴槽の裏面側に漏水させない。【解決手段】浴槽2に気泡を噴出させる気泡発生装置3と、浴槽2と洗い場側防水パン4の間に配設したエプロン5を備え、エプロン5に気泡発生装置3の吸気口部6を取付け、吸気口部6の吸気口6aを洗い場側Gに臨ませたこと。エプロン5の洗い場側Gに、吸気口6aを覆う化粧蓋である外蓋5dを設けたこと。気泡発生装置3の噴出口部8を浴槽 2に取付け、噴出口部8と吸気口部6を連通する空気導入管12の途中に消音器13を設け、消音器13の流入口を上方に位置させると共に流出口を下方に位置させたこと。【選択図】図1
