A multi-cellular polypropylene container with a cut-scored region connecting the cells of the container is described. By varying the cut-score depths depending on the orientation of the plastic material, greater consistency in the tearability of the individual cells is achieved. One or more star-cut...http://www.google.de/patents/US7549551?utm_source=gb-gplus-sharePatent US7549551 - Multi-cellular container with cut-score
