| 摘要 |
The invention relates to a cover (1) for closing a tubular can comprising a side wall (3), said can having an upper opening and an inner radial collar arranged substantially in the region of said upper opening, said cover (1) comprising, on the so-called lower face (2) thereof, an elastically deformable annular seal (4) that comes into contact with said collar when the upper opening of the can is closed by said cover (1). In the non-deformed state, said seal (4) has a general semi-toroidal shape with the convexity thereof facing the outside of the cover (1). |
