Patent ID: 6016953
Filing Date: 2000-01-25
Classification: B65D

Abstract:
A blank for fabrication into a tetrahedral top carton, the blank comprising:first, second, third and fourth side panels and a sealing panel, the side panels and the sealing panel separated from each other by a plurality of vertical score lines; andfirst, second, third and fourth top panels and a top sealing panel respectively adjacent the first, second, third and fourth side panels and the sealing panel, the top panels separated from each other by the plurality of vertical score lines, the top panels respectively separated from the side panels by a plurality of upper horizontal score lines, each of the first, second, third and fourth top panels being substantially identical and having a pair of miror image diagonal score lines defining a pair of top fins to allow for formation of a tetrahedral top structure composed of the first, second, third and fourth top panels, each of the first, second, third and fourth top panels having an arcuate edge wherein all of the arcuate edges are substantially identical, the arcuate edges forming a circular cutout of a carton formed from the blank, the first and second top panels having a first straight top edge at the intersection of the first and second top panels, the second and third top panels having a second straight top edge at the intersection of the second and third top panels, the third and fourth top panels having a third straight edge at the intersection of the third and fourth top panels.