| 摘要 |
<p>The magnetic tape case is in two halves (2, 3) hinged together. On the two sides away from the hinges, at least two points, is a manually operated sliding fastener. Each fastener consists of a U shaped slide piece, with closure flanges (15, 16) projecting inwards from the ends of the U sides. Between the two U sides is a third closure flange. Both slide pieces are contained in a single slide piece (6) covering most of the gap (4) between the two halves of the case. The slide piece (6) has a cavity in one U side gripping over a projection (9).</p> |
