| 摘要 |
<p>The binder comprises rigid sides (2) and a back (1), each side having a fixing (7) top and bottom. Each fixing has a metal housing which encloses a spring steel strip (3) stretched across the back of the binder, from side to side. The documents (6) are in the form of double pages and are held in the binder by rods (18) made from spring wire. The ends of each rod are bent parallel into (19) the centre and then outwards (20) to form an S-shape. The open ends of each S-shape clip over the spring steel strips.</p> |
