Corrugated box with an improved opening system

摘要

An opening system for a container includes an end flap for extending over an opening of the container, and a sealing flap overlying the end flap. The end flap includes an open area and the sealing flap includes a perforation pattern. The perforation pattern includes a first perforation line including a central section extending over the open area, and a second perforation line extending from the first perforation line to one edge of the sealing flap. The first perforation line is configured to tear at a lower force than the second perforation line.