Patent ID: 7000824

Claim:
A carton for holding a plurality of articles, comprising a collapsible tubular corner post having an essentially triangular cross-section, said corner post being formed from a series of hingedly interconnected panels including an end panel, a bracing panel and a securing panel, said end panel being hingedly connected to a side wall of the carton along a first fold line, said securing panel being secured to an inside surface of said side wall, wherein said end panel comprises a supplementary fold line disposed parallel to said first fold line to allow said corner post to be folded flat into a collapsed condition where said corner post extends outwardly of the carton, said first and supplementary fold lines extend along a tubular axis of said corner structure, said bracing panel is hingedly connected to said end panel along a second fold line parallel to said supplementary fold line, said securing panel is hingedly connected to said bracing panel along a third fold line, and said third fold line is curved convexly toward said second fold line to assist in flexing said bracing panel.