| 摘要 |
<p>The method involves continuing rotation of a rotating drum (14) for displacing a free end of a floating curtain along fictitious zone in recovery direction to another position of the curtain. Rotation of the drum is continued for arranging a portion of a part of the curtain following another portion on another fictitiously zone in another recovery direction to third position of the curtain in which the part of the curtain covers total area of the latter zone and flexible ties connect the drum at an end (26) placed on the curtain in the latter zone. An independent claim is also included for a winding element of a floating curtain.</p> |
