| 摘要 |
<p>The present invention relates to a cap to be secured on the neck of a container for liquids, said cap including: a spout with a means for connection to the neck and having a tubular projection (1) above it that defines a reference axis for the cap, the tubular projection having a free open end with a tubular wall (11); and a tubular stopper covering the free end of the spout on the outside thereof, the stopper being mobile in axial translation relative to the spout between a blocked position and an open position enabling the flow of liquid, the stopper (2) including a bottom (3) extending perpendicularly to the reference axis, with an inner annular elastic lip (5) interacting in the blocked position with the tubular wall (11) of the tubular projection (1) so as to form an annular seal. According to the invention, the bottom includes a plurality of holes flaring towards the outside of the cap and arranged radially outside the annular lip (5).</p> |
