Patent ID: 11951711
Assignee: AMCOR FLEXIBLES RORSCHACH AG
Field: Surface technology, coating (Chemistry)
Classification: CPC B | IPC B

Claim 10:
11. Method for manufacturing a flat, deep-drawable packaging film according to claim 1 for manufacturing cup-shaped capsules for packaging food or pharma products, wherein an aluminum foil, a coextruded multilayer film having a first layer and a second layer of a semi-crystalline PET that is non-streteched, adhesives and a sealing lacquer or a polypropylene film are provided and the coextruded multilayer film is provided with a reverse printing, wherein the coextruded multilayer film has a degree of crystallization between 20 to 70% and has a Young's modulus of 2000 MPa to 2700 MPa, at least one side of the aluminum foil or the reverse printed side of the coextruded multilayer film-is coated with the adhesive, the reverse printed side of the coextruded multilayer film is then laminated to the aluminum foil by the adhesive layer and the surface of the aluminum foil opposite to the coextruded multilayer film is either coated with the heat seal lacquer, or the film made of polypropylene is laminated to said aluminum surface using the adhesive.