Dual scored easy open film
View Patent ↗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.
1. A dual scored film having a line of weakness consisting of:
a barrier layer comprising extruded ethylene vinyl alcohol;
a first layer comprising oriented polypropylene having a mechanically scored score line therein and laminated to one side of the barrier layer;
a second layer comprising polyethylene teraphthalate having a laser scored score line therein and laminated to a second side of the barrier layer; and
a third layer comprising ethylene vinyl acetate disposed directly adjacent the second layer and on an opposing side of the second layer from the barrier layer, wherein
the score line in the oriented polypropylene layer and the score line in the polyethylene teraphthalate layer generally lie in a plane substantially perpendicular to a plane of the film to form the line of weakness.