Patent ID: 7510546

Claim:
Head part for a multi-chamber tube bag ( 1 ; 35 ; 55 ) containing a multi-component mass which can be pressed out of said bag, said bag having a main chamber ( 2 ) arranged for holding a first component and at least one secondary chamber ( 3 , 4 ) at least partially laterally enclosing the main chamber for another component to be mixed with the first component, the head part ( 11 ; 32 ; 42 , 52 ; 62 ) comprising: a substantially flat contact surface ( 12 ; 22 ) facing a discharge end surface of said multi-chamber tube bag, said contact surface surrounds a tubular press-out opening ( 13 ; 23 ) extending outwardly away from said tube bag ( 1 ; 35 ; 55 ) and aligned with the main chamber, said contact surface ( 12 ; 22 ) having at least one raised part ( 14 ; 24 ; 36 ; 56 ) arranged in the direction of the discharge end surface of the multi-chamber tube bag ( 1 ; 35 ; 55 ), with the at least one raised part ( 14 ; 24 ; 36 ; 56 ) in contact with the contact surface of the head part simultaneous with the at least one raised part ( 14 ; 24 ; 36 ; 56 ) of the contact surface ( 12 ; 22 ) being aligned to the multi-chamber tube bag ( 1 ; 35 ; 55 ), and with the at least one raised part ( 14 ; 24 ; 36 ; 56 ) extending therefrom opposite into contact with said secondary chamber to said press-out opening for narrowing an outlet opening of at least one said secondary chamber ( 3 ; 4 ) into said press-out opening ( 13 ; 23 ) and for throttling the flow from the secondary chamber; wherein said head part ( 52 , 62 ) is a component part of a cartridge for laterally enclosing said multi-chamber tube bag ( 55 ); and wherein said head part ( 62 ) is formed as a base of said cartridge for the said multi-chamber tube bag ( 55 ).