Fecha de publicación: -- Fuente: WIPO "tomato" A packaging blank has two longitudinal boundary edges, two transversal boundary edges and a top crease pattern. The top crease pattern comprises a first transversal crease line and a second transversal crease line. The second transversal crease line comprises at least two lateral portions, a central portion and two inclined portions. The top crease pattern comprises one or more main inclined crease lines and one or more auxiliary crease lines. Each lateral portion defines a respective imaginary endless line comprising the respective lateral portion and the respective inclined portion defines an imaginary inclined endless line comprising the respective inclined portion intersecting the respective imaginary endless line at an intersection point. Each main inclined crease line intersects the respective intersection point and each auxiliary crease line does not intersect the second transversal crease line, the imaginary endless line, the respective intersection point and the respective main inclined crease line.