A box having a convex centering element, and a blank for the production of such a box-

摘要

The present invention relates to a box (30) made of corrugated sheet material having a polygonal cross section with side walls (3, 4, 5, 6), an upper wall forming the top of the box and a lower wall forming the bottom of the box , 31) and blank (1). The top of the box includes at least one cut out convex portion (26) in the top wall, and the bottom is positioned directly over the convex portion and arranged to fit into the convex portion of the lower box A portion (18) having a perforated surface having a shape complementary to the convex portion.