| 摘要 |
A sheet composed of multiple films for providing peel-off lids for containers comprising a first film set (11) of films, with a film layer of aluminum (12), an external polythene film (13) and an internal orientated plastic film (15); a second film set (16), heat-sealed to the edge (17) of a container (18) to be closed, with a pre-perforated polyester film (19) coupled, by an adhesive (20), to a non-perforated polythene film (21) heat-sealed to the edge (17) of the container (18); and a hot-extruded polythene layer (22) interposed between the two film sets (11, 16) to couple the last polyester film (15) of the first film set (11) and the first polyester film (19) of the second film set (16). <IMAGE> |
