ELEMENTO DI CHIUSURA PER CONTENITORI TERMOPLASTICI FORMATI TRAMITE OPERAZIONI DI SOFFIATURA , RIEMPIMENTO E SIGILLATURA .

摘要

A closure device (1) for thermoplastic containers (4) made by blow-fill-seal operation and provided with a neck (9) includes: a hollow body (2) having an upper surface (3); a connecting element (5) to said container (4); a handgrip and tear-off fin (6), including an end element (7); a tear-off welding (13) provided between the closure device (1) and the neck (9) of the container (4). The assembly is in such a way that the closure device (1) and the container (4) are a mono-component set and the tear-off welding (13) is broken in correspondence of the first opening of the container (4).