Patent ID: 7841511
Filing Date: 2010-11-30
Classification: B65D

Abstract:
1. A carton blank comprising: first, second, third and fourth side panels, each having a top edge and a bottom edge; a top flap foldably connected to the top edge of at least one of the first side panel, the second side panel, the third side panel, or the fourth side panel; a major bottom flap foldably connected to the bottom edge of each of the first and third side panels; a minor bottom flap foldably connected to the bottom edge of each of the second and fourth side panels; and each major bottom flap including a longitudinal exterior edge at which a closure feature is located, the longitudinal exterior edge extending substantially parallel to the bottom edge; each closure feature comprising an open aperture formed by a first edge extending from the longitudinal exterior edge to a longitudinal interior edge, a notch recess, a projection, and an oblique edge extending from the projection to the longitudinal exterior edge; the projection being defined by an edge which extends a first distance from the oblique edge in a first direction substantially parallel to the bottom edge, then in a second direction toward the bottom edge, then in a third direction to the notch recess, the third direction being substantially parallel to the first direction; the closure features being engageable when a carton is erected from the blank, thereby forming with the minor bottom flaps a closure for the bottom of the carton.