Sheet composed of multiple films for producing peel-off lids for plastic containers with preset opening formed 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 (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 contain...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	RAZETI, MARCO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	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).