First connecting arrangement (3?') for providing a fluidic connection (2) between containers (Bl, B2, B3), wherein said first connecting arrangement (3?') comprises a preferably rigid closure device (23), which in an initial state is sealingly held on a holding portion (25) of the connecting arrangement (3A, 3A') by means of a frangible line (24), the frangible line (24) preferably forming an opening region (4?') or a part thereof, whereby the holding portion (25) is movable by deformation relative to the closure device (23), whereby the first connecting arrangement (3A, 3A') can be opened by tearing the frangible line (24).
