US Patent 10301063 Package material and package container formed with said material

Package material comprises one or more layers of plastic laminate, a first side, a second side and an penetration area (40). Two weakening lines (30, 30b) extend from the penetration area (40) creating a space in between and thus forming an opening ( ) in the package material. The package material comprises a plastic opening device ( ), with a first and second portion ( ) attached to the first and second side, respectively and a material bridge ( ) penetrating through the penetration area (40). The second portion covers at least partly the penetration area and comprises a guiding portion ( ) extending from the penetration area (40) onto the space adjacent and to the weakening lines (30, 30b) as to facilitate rupturing substantially along the at least one weakening line.