Cap for an aerosol can or a spray can, with an acoustic seal

1. A cap ( 7 ) for an aerosol can or a spray can, said can comprising a valve through which product contained in the can passes when a valve stem ( 11 ) of the valve is deflected, wherein said cap comprises

a push button ( 6 ) that is pivotable about a joint ( 5 );

a cap body ( 7 a ) provided with a product discharge opening ( 3 ), said push button ( 6 ) being pivotally connected by a plug connection ( 2 ) to an inner side of the cap body ( 7 a );

an angled-off spray channel ( 10 ) integral with the push button ( 6 ) and configured to act against the valve stem ( 11 ) when the push button ( 6 ) is manually actuated, so that the stem ( 11 ) is deflected and the valve opened, whereby the product contained in the can passes through the valve stem ( 11 ), through the spray channel ( 10 ), and is discharged through the product discharge opening ( 3 ); and

an acoustic seal ( 49 ) between the push button ( 6 ) and the cap body ( 7 a ), said acoustic seal ( 49 ) extending circumferentially around the push button ( 6 ) and being formed by a sealing lip ( 8 ) on a rim ( 7 b ) of the cap body ( 7 a ) and another sealing lip ( 9 ) on an adjacent rim ( 6 a ) of the push button ( 6 );

wherein the acoustic seal hermetically seals are ion between the S push button ( 6 ) and the cap body ( 7 a ) even when the push button ( 6 ) is completely depressed;

wherein the sealing lip ( 8 ) of the rim ( 7 b ) of the cap body ( 7 a ) has a height (h) that becomes larger as a distance (d) of the sealing lip ( 8 ) from the joint ( 5 ) increases.

2. The cap as claimed in claim 1 , wherein a nozzle ( 12 ) arranged at the product discharge opening ( 3 ) is integrally configured together with the spray channel ( 10 ) and the push button ( 6 ).

3. The cap as claimed in claim 1 , wherein the push button ( 6 ) is circular or oval.