Packaging with delaminatable cover

Readily controllable opening characteristic exhibiting packaging material made of a container based on a film made of at least one thermoplastic polymer, with its opening sealed with a cover made of a transparent multilayer film, comprises a sealing layer (a) based on at least one heat-sealable ther...

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Bibliographische Detailangaben
Hauptverfasser:	Cassel, Antoine, Richards, Jaquie, Sperlich, Bernd, Dr, Castillo, Antonio, Wrede, Sascha
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Readily controllable opening characteristic exhibiting packaging material made of a container based on a film made of at least one thermoplastic polymer, with its opening sealed with a cover made of a transparent multilayer film, comprises a sealing layer (a) based on at least one heat-sealable thermoplastic polymer, a layer (b) based on at least one thermoplastic polymer adjacent to the sealing layer (a), and optionally other layers. The adhesion between the sealing layer (a) and the layer (b) is at least 30% less than the sealing strength between the container and the cover. Readily controllable opening characteristic exhibiting packaging material made of a container based on a film made of at least one thermoplastic polymer, with its opening sealed with a cover made of a transparent multilayer film, comprises a sealing layer (a) based on at least one heat-sealable thermoplastic polymer comprising a thickness of maximum thickness of 12 mu m, and a layer (b) based on at least one thermoplastic polymer adjacent to the sealing layer (a), and optionally other layers. The adhesion between the sealing layer (a) and the layer (b) is at least 30% less than the sealing strength between the container and the cover, so that the multilayer film between the sealing layer (a) and the layer (b) is connected so peelably, that a piece of the sealing layer (a) remains on the container, when the packaging in the sealed seam area is opened first.