Patent ID: 6016951
Filing Date: 2000-01-25
Classification: B65D,Y10S

Abstract:
A non-rectangular, non-collapsible, expandable box comprising a non-rectangular bottom panel and at least one roll-over expandable wall section;said at least one roll-over expandable wall section comprising:(a) a roll-over wall structure comprising an outer panel attached to said bottom panel and an inner panel hingedly linked to a top edge of said outer panel and disposed substantially parallel to said outer panel,(b) a single-panel wall structure comprising a wall panel attached to said bottom panel and a corner flap panel attached to an end of said wall panel, said corner flap panel being at least partially enclosed between said inner and outer panels,(c) an angle-changeable wall structure comprising a plurality of foldline-connected movable panels including a first movable panel hingedly attached to one of said outer panel and said wall panel, said angle-changeable wall structure being movable from a first disposition to a second disposition and vice versa when said box is in an open format, said first disposition resulting in a box cavity of expanded size and said second disposition resulting in a box cavity of contracted size.