| 摘要 |
<p>The invention relates to a system made of plates-string capable to be folded by pushing the first plate (10) of said plates-string while the last (12) plate is blocked and capable to be unfolded by pulling the first plate (10) of said plates-string while the last plate (12) is blocked. Windows, or shutters, made of wings string that is capable to be folded into a small case or to be unfolded from is also disclosed. The invention additionally relates to a method for folding and unfolding wings of a window or a shutter.</p> |
