US Patent 8376213 Carrier with locking features

A carton for carrying a plurality of articles and a blank for forming the carton generally include a top panel, a first side panel foldably connected to the top panel, a second side panel foldably connected to the top panel, a first bottom panel foldably connected to the first side panel, the first bottom panel comprising a plurality of female locking openings and having opening flaps adjacent the female locking openings. The opening flaps are foldably connected to the first bottom panel at respective first arcuate fold lines. A second bottom panel is foldably connected to the second side panel. The second bottom panel comprises a plurality of male locking projections. The male locking projections are foldably connected to the second bottom panel at respective second arcuate fold lines.