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1. WO2012113530 - COMPOSITE FILM

Publication Number WO/2012/113530
Publication Date 30.08.2012
International Application No. PCT/EP2012/000732
International Filing Date 20.02.2012
IPC
B32B 7/06 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
7Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
04Interconnection of layers
06permitting easy separation
B65D 65/40 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
65Wrappers or flexible covers; Packaging materials of special type or form
38Packaging materials of special type or form
40Applications of laminates for particular packaging purposes
B65D 77/20 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
77Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
10Container closures formed after filling
20by applying separate lids or covers
CPC
B32B 15/08
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15Layered products comprising ; a layer of; metal
04comprising metal as the main or only constituent of a layer, ; which is; next to another layer of ; the same or of; a ; different material
08of synthetic resin
B32B 15/20
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15Layered products comprising ; a layer of; metal
20comprising aluminium or copper
B32B 2264/10
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2264Composition or properties of particles which form a particulate layer or are present as additives
10Inorganic particles
B32B 2270/00
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2270Resin or rubber layer containing a blend of at least two different polymers
B32B 2435/02
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2435Closures, end caps, stoppers
02for containers
B32B 2439/40
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2439Containers; Receptacles
40Closed containers
Applicants
  • AMCOR FLEXIBLES SINGEN GMBH [DE]/[DE] (AllExceptUS)
  • DIETRICH, Christoph [DE]/[DE] (UsOnly)
  • HAFNER, Klaus [DE]/[DE] (UsOnly)
  • BAUER, Sven [DE]/[DE] (UsOnly)
Inventors
  • DIETRICH, Christoph
  • HAFNER, Klaus
  • BAUER, Sven
Agents
  • GERNET, Samuel
Priority Data
11001574.025.02.2011EP
Publication Language German (de)
Filing Language German (DE)
Designated States
Title
(DE) VERBUNDFOLIE
(EN) COMPOSITE FILM
(FR) FILM COMPOSITE
Abstract
(DE) Eine Verbundfolie (10) zum Verschliessen eines Behälters durch Siegelung der Verbundfolie gegen eine umlaufende Siegelfläche des Behälters oder eines mit dem Behälter zu verbindenden Deckelrings weist eine Trägerschicht (14) aus einer Metallfolie und eine mit der Metallfolie verbundene Siegelschicht auf. Die Siegelschicht umfasst eine Coextrusionsschicht mit einer kohäsiv brechenden Mittelschicht (18) und auf beiden Seiten der Mittelschicht (18) angeordneten Haftvermittlerschichten (16, 20). Die Verbundfolie eignet sich zum Dichtsiegeln gegen Siegelflächen aus blankem Weissblech.
(EN) The invention relates to a composite film (10) for closing a container by sealing the composite film against a circumferential sealing surface of the container or of a cap ring to be connected to the container, wherein said composite film comprises a support layer (14) made of a metal film and a sealing layer connected to the metal film. The sealing layer comprises a coextrusion layer having a cohesively breaking intermediate layer (18) and adhesion promoter layers (16, 20) disposed on both sides of the intermediate layer (18). The composite film is suitable for tight sealing against sealing surfaces made of polished tinplate.
(FR) L'invention concerne un film composite (10) utilisé pour boucher un récipient par scellement du film composite sur une surface de scellement périphérique dudit récipient ou d'une bague de couvercle à relier au récipient, ledit film composite présentant une couche support (14) consistant en une feuille métallique ainsi qu'une couche de scellement reliée à la feuille métallique. La couche de scellement comprend une couche de coextrusion présentant une couche médiane (18) à réfraction cohésive et des couches de promoteur d'adhésion (16, 20) disposées sur les deux faces de la couche médiane (18). Le film composite s'utilise pour des scellements étanches sur des faces de scellement en fer-blanc nu.
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