Patent ID: 7334685

Claim:
A packaging ( 1 ) for a cosmetic and/or pharmaceutical composition, comprising a container ( 3 ) for receiving a cosmetic and/or pharmaceutical composition ( 5 ) and a cover ( 6 ), comprising a mechanism of attachment ( 11 ) to container ( 3 ,) and a sealing wall ( 15 ) for sealing an opening ( 7 ,) of the container, the sealing wall ( 15 ) being elastically deformable by application of a pressure differential, the cover ( 6 ,) further comprising an extension having a wall 21 facing the container ( 3 ) the extension comprising an annular rib ( 23 ) having a thickness in a non-contrained state that is greater than an average distance between the wall ( 21 ) of the extension and radial internal wall of container ( 3 ) so as to hermetically seal the opening ( 7 ) of the packaging.