A SHEET LAMINATE, A BLISTER PACKAGE AND A METHOD OF MANUFACTURE

A sheet laminate for being used as a puncturable top web for a blister package, comprising: an aluminium base sheet layer; at least one tie layer comprising polyolefin; a welding layer comprising polyester or polypropylene; wherein the welding layer and the tie layer are coextrusion coated on the ba...

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Bibliographic Details
Main Authors JOHANSEN, Peter, CHRISTENSEN, Lars, FOGTMANN, Torben
Format Patent
LanguageEnglish
French
German
Published 19.07.2023
Subjects
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
TRANSPORTING
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Summary:A sheet laminate for being used as a puncturable top web for a blister package, comprising: an aluminium base sheet layer; at least one tie layer comprising polyolefin; a welding layer comprising polyester or polypropylene; wherein the welding layer and the tie layer are coextrusion coated on the base sheet layer so that the at least one tie layer is disposed between the base sheet layer and the welding layer, whereby the welding layer is attached to the base sheet layer by the at least one tie layer. A blister package, wherein the sheet laminate is attached to a bottom web with product cavities. A method of manufacture of the sheet laminate and of the blister package, wherein the coextrusion coating step of the manufacture of the blister package is carried out simultaneously with extrusion lamination of a paper layer.
Bibliography:Application Number: EP20180786818