| 摘要 |
<p>1. A parallelepipedal rectangular box, formed from a sheet of card which is cut and provided with folding lines to constitute, after straightening and turning down : a base (2), a lid (4), a first side wall (1), connected longitudinally to the base (2), a second side wall (3), connected longitudinally to the base (2) and the lid (4), two end walls (7, 8), transversal to the above walls, and connected laterally to the base (2) or to the lid (4), and also means for holding the walls in the turned down position to close the box, consisting of : a third side wall (5) connected longitudinally to the lid (4) and overlapping the first side wall (1), a tongue (6) connected to this third side wall (5) which is inserted, after folding of 90 degrees, into the box, through an incision (11) provided in the folding line between the first side wall (1) and the base (2), and two en flaps (9, 10) each connected to a transversal end wall (7, 8) folded down inside the box, characterised in that the tongue (6) is folded on a level with the incision (11), and placed against the internal surface of the first side wall (1), and that the two end flaps (9, 10), hold the tongue (6) against the internal surface of the first side wall (1).</p> |
