| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a membrane type air diffusion device which can prevent the breakage of an air diffusion membrane by stress concentration, has improved water-stopping properties upon the stop of an operation, and can perform air diffusion over the whole face of the air diffusion membrane. <P>SOLUTION: The membrane type air diffusion device is provided with a bag-shaped body 2 obtained by joining sheet-shaped members 5, 6, and an air diffusion region 7 provided at least at the upper face part of the bag-shaped body 2 is composed of an air-permeable sheet-shaped member 6. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
