Patent ID: 8661960

Claim:
A closed vessel arrangement ( 1 ) comprising a closed vessel ( 2 ) for safe destruction of rocket motors ( 3 ) containing solid propellant ( 4 ) by burning the rocket motor ( 3 ) inside the closed vessel ( 2 ), which closed vessel ( 2 ), is adjustable in size to rocket motors ( 3 ) of various sizes, characterized in that the closed vessel ( 2 ) comprises two chambers ( 7 , 8 ), one outer chamber ( 8 ) and one inner chamber ( 7 ) arranged coaxially to each other, which chambers ( 7 , 8 ) are divided into a plurality of connectable sections ( 13 ), which are connectable in various numbers for adjusting the size of the vessel ( 2 ) to rocket motors ( 3 ) of various sizes.