US Patent 7531228 Dual scored easy open film

A film having a line of weakness and a method for making a film having a line of weakness are provided. The film has a barrier layer of extruded ethylene vinyl alcohol laminated on one side to a first layer of oriented polypropylene having a score line therein. The barrier layer is laminated on its second side to a second layer of polyethylene teraphthalate having a score line therein. The score line in the oriented polypropylene layer and the score line in the polyethylene teraphthalate layer lie in a plane substantially perpendicular to a plane of the film forming the line of weakness.