发明名称 Sheet composed of multiple films for producing peel-off lids for plastic containers with preset opening formed by tearing of at least one film
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>
申请公布号 EP1318010(A1) 申请公布日期 2003.06.11
申请号 EP20020026905 申请日期 2002.12.03
申请人 ALCAN PACKAGING ITALIA S.R.L. 发明人 RAZETI, MARCO
分类号 B32B7/12;B32B15/08;B32B27/32;B65D77/20;B65D77/24;(IPC1-7):B32B7/06 主分类号 B32B7/12
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