| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve airtightness and to facilitate attachment/detachment replacement of an airtight material.SOLUTION: An airtight structure of an opening/closing door device includes a door body 10 which acts to be opened and closed along a width of an opening part, a lower immovable region which is continuous along the width of the opening part nearby the door body 10 at least in the closed state, and a first airtight material 70 which is supported by one of the door body 10 and lower immovable region 30. The first airtight material 70 is an elastic body which integrally has a plurality of arrays of projection piece parts 71 successively along the width of the opening part and a base part 72 connecting the arrays of the projection piece parts 71 together on one side, and the base part 72 is fixed to the one side by bringing the arrays of the projection piece parts 71 into contact with the other at least with the door body 10 closed.</p> |
