| 摘要 |
<p>The pouch is made of e.g. a supple plastics material and has its neck equipped with a collar (222) of a semi-rigid material, such as stiff card or plastics. The collar lies flat when not in use and is opened by pressing its opposite ends towards one another. The lower edge of the collar is cut out to form two projecting tongues (226) which are designed to hold the top of the pouch open when in use. It also has a tab (244) formed by an additional cut-away portion (242) which retains the collar in its open position when folded upwards along a horizontal line (246).</p> |
