| 摘要 |
<p>Packaging device made of plastic material having the general form of a container with a bottom and a side wall. Opposite said bottom, an annular edge extends outwardly of said wall in a downward lip with a cover which can be placed on the container in a first condition, and below it in a second condition. The downward lip (15) at its outermost end from the edge (14) conforms to a radialy projecting bulge (20) which is in snap-fit co-operation with a similarly shaped rib formed on the cover's free edge (11).</p> |
