Rear loading single serving pie container and blank for forming same

Claim 1

A paperboard blank for forming a wedge-shaped pie carton having an openable slanted rear wall, said blank comprising: first and second substantially identical trapezoidal side wall panels, each said side wall panel including parallel top and bottom edges and non-parallel first and second side edges, the top edges of said side wall panels being longer than the bottom edges thereof, the first side edges of said side wall panels being a common edge perpendicular to the top and bottom edges thereof, said side wall panels being foldably connected along said common edge such that the top and bottom edges of the first side wall panel are colinear respectively with the top and bottom edges of the second side wall panel; an isosceles triangular top panel having first and second equal side edges and a base edge, said first side edge of said top panel and the top edge of one said side wall panel being a common edge hingedly connected and of equal length, said first and second side edges of said top panel intersecting one another adjacent the foldable connection of said first and second side wall panels; an isosceles triangular bottom panel having first and second equal side edges and a base edge, said first side edge of said top panel and the bottom edge of one said side wall panel being a common edge hingedly connected and of equal length, said first and second side edges of said top panel intersecting one another adjacent the foldable connection of said first and second side wall panels, the angular separation of said first and second side edges of said bottom panel being equal to the angular separation between the first and second side edges of the top panel; an isosceles trapezoidal top panel flap having parallel top and bottom edges and non-parallel side edges, said top edge of said top panel flap and said base edge of said top panel being a common edge hingedly connected and of equal length, said bottom edge of said top panel flap and said base edge of said bottom panel being of equal length, said side edges of said top panel flap and the second side edges of said side wall panels being of equal length; and an isosceles trapezoidal bottom panel flap substantially identical to said top panel flap, said bottom panel flap having parallel top and bottom edges and non-parallel side edges, said bottom edge of said bottom panel flap and said base edge of said bottom panel being a common edge hingedly connected and of equal length.