| 摘要 |
<p>The device has a closing plate (25), which is provided with a sealing joint (27), arranged above a plate (13). The plate (25) is provided with a positioning unit (33) that is arranged for passing the plate (25) from the inactive position to active position where the sealing joint is continuously applied on lateral uprights (5, 7) and on upper side (35) of the plate in inactive position. A closing unit acting on the positioning unit is arranged from an internal side of the plate (25), where unit acts from inside and outside of an opening (3).</p> |
