| 摘要 |
A shutter system having two rooms (S1, S2) containing liquids (31, 32), a partition wall (30) provided between the two rooms, a shutter device for opening and closing an opening (20) made in the partition wall, the opening having a brim (19) with a flush ridge line, characterized by that the shutter device comprises a frame body (21) and a valve sheet (23) made of a thin film which is held by the frame body in parallel to the flush ridge line of the brim of the opening and adapted to shift across and in parallel to the flush ridge line, a press lever (15) adapted to press the valve sheet onto the brim of the opening, a first drive unit (6, 22) for driving the valve sheet to shift across and in parallel to the flush ridge line, and a second drive unit (7, 11) for driving the press lever to move toward the brim of the opening in the partition wall. |
