Lid with barrier property

The invention relates to a lid with barrier property having highly improved barrier property, sealing ability for cups, and easeof opening in comparisonwith the conventional products. The innermost layer is a resin layer including a polyethylene sealant layer,and a metal foil layer is attached to th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SASAKI, NORIYUKI, TERAYAMA, TAKASHI, SAITOH, TAKESHI, NAITOH, TOYOAKI, GOTOH, MASACHI, TAKEUCHI, DAIJI
Format:	Patent
Sprache:	eng
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:	The invention relates to a lid with barrier property having highly improved barrier property, sealing ability for cups, and easeof opening in comparisonwith the conventional products. The innermost layer is a resin layer including a polyethylene sealant layer,and a metal foil layer is attached to the outside of the resin layer of the innermost layer via an adhesive layer. The innermost layer is provided with a plurality of weakened portions extending radially from the center. The weakened portions facilitatetearing the innermost layer and alsothe metal foil layer,thereby facilitating opening of the lid.