Patent ID: 8256631

Claim:
A closure system for a container ( 10 , 50 ) used for storing or administering substances in the form of liquids, pastes or powders, the container ( 10 , 50 ) having an opening ( 12 ) that is to be closed, said closure system comprising a cap ( 81 , 82 ) provided with a through-hole ( 85 ), the cap ( 81 , 82 ) including a substantially cylindrical securing area ( 91 ), a flat, flexible closure element ( 60 ) for sealing the opening ( 12 ), the cap ( 81 , 82 ) for holding the closure element ( 60 ) with a force fit and/or form fit on the container ( 10 , 50 ) by means of the securing area ( 91 ) of the cap ( 81 , 82 ) engaging a catch element ( 37 ) of the container ( 10 , 50 ) in an area of the opening ( 12 ), the container ( 10 , 50 ) includes an end face ( 21 ) which surrounds the opening ( 12 ), the end face ( 21 ) is in part in direct contacting relationship with the flat, flexible closure element ( 60 ), the end face ( 21 ) has a depression ( 24 , 25 ) therein, the end face ( 21 ) in non-contacting relationship with the closure element ( 60 ) at depression ( 24 , 25 ), the flat, flexible closure element ( 60 ) is virus-proof, bacteria-proof and spore-proof and is in part in direct contacting relationship with the end face ( 21 ) in the operative position and, the closure element ( 60 ) also lies in part over the depression ( 24 , 25 ), and, an elastomer ring or adhesive ring ( 71 , 72 ) is affixed to the flat, flexible closure element ( 60 ) in predetermined position prior to the flat, flexible closure element ( 60 ) placement on the end face ( 21 ) and the elastomer ring or adhesive ring ( 71 , 72 ) in operative alignment with the depression ( 24 , 25 ) and lying solely within and filling the depression ( 24 , 25 ) in the operative position when the cap ( 81 , 82 ) is fitted in place on the container ( 10 , 50 ), the flat, flexible closure element ( 60 ) with the affixed elastomer ring or adhesive ring ( 71 , 72 ) for providing a hermetic seal of the container ( 10 , 50 ) as desired.