Patent ID: 7334703

Claim:
A pressure container filled with a propellant, comprising: an outer container ( 10 ) having a filling material chamber ( 11 ) for receiving a filling material ( 12 ) having a gaseous phase ( 18 ); an inner bag ( 20 ), including a bag wall ( 24 ), with the inner bag ( 20 ) formed of a material which is permeable to the filling material, and with the inner bag ( 20 ) being arrangeable in the outer container ( 10 ) and having a propellant chamber ( 21 ) for storing the propellant ( 22 ); and a cover ( 15 ) for closing the outer container ( 10 ) and provided with an inlet/outlet valve element ( 16 ); wherein the propellant ( 22 ) is formed in the propellant chamber ( 21 ) of the inner bag ( 20 ) by a mixture of an inert gas ( 23 ) in the propellant chamber ( 21 ) with the gaseous phase ( 18 ) of the filling material ( 12 ) in the filling material chamber ( 11 ) of the outer container ( 10 ); and wherein the inert gas ( 23 ) cannot penetrate through the bag wall ( 24 ) of the inner bag ( 20 ).