Multiple film sheet for containers with peel-off lids

The present invention relates to a sheet composed of multiple films for producing peel-off lids of containers made of plastics with preset opening by tearing of at least one film. A sheet composed of multiple films for providing peel-off lids for containers comprising a first film set of films, with...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Razeti, Marco
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to a sheet composed of multiple films for producing peel-off lids of containers made of plastics with preset opening by tearing of at least one film. A sheet composed of multiple films for providing peel-off lids for containers comprising a first film set of films, with a film layer of aluminum, an external polythene film and an internal orientated plastic film; a second film set heat-sealed to the edge of a container to be closed, with a pre-perforated polyester film coupled, by an adhesive, to a non-perforated polythene film heat-sealed to the edge of the container; and a hot-extruded polythene layer interposed between the two film sets to couple the last polyester film of the first film set and the first polyester film of the second film set.