Patent ID: 8883237

Claim:
An ovenable container that can be exposed to temperatures of at least about 200° F., said ovenable container comprising an inner liner, an outer liner and a corrugated layer positioned between said inner and outer liners; said corrugated layer is formed of a plurality of flutes; said outer liner having an upper and a lower surface, said outer liner having a weight of at least about 10 pounds per thousand square feet, said lower surface of said outer liner forming a bottom surface of said ovenable container; said inner liner having a lower surface, said inner liner having a weight of at least about 20 pounds per thousand square feet, said inner liner is formed of a base portion and a rim; said rim is connected to and at least partially encircling said base portion; said base portion is generally planar; said rim extending upwardly from a peripheral edge of said base portion; a transition region is positioned between said base portion and said rim; an upper surface of said rim and an upper surface of said base portion and said connection between said rim and said base portion are absent a seam; a majority of said upper surface of said rim at a higher elevation than said upper surface of said base portion; said upper surface of said rim and said base portion are designed to engage a food product that is placed on said ovenable container; said corrugated layer having a weight of at least about 1 pound per thousand square feet; said corrugated layer is at least partially connected to at least one of said upper surface of said outer liner and said lower surface of said inner liner by an adhesive; said inner liner including a plurality of openings that fully pass through said inner liner, a majority of said openings do not fully pass through said outer liner, said openings are designed to allow a liquid to pass through said openings in said inner liner and result in the liquid being at least partially entrapped between said inner liner and said outer liner; a height of a majority of said flutes located in said rim is less than a height of a majority of said flutes in said base portion, a height of a majority of said flutes located in said rim is less than a height of at least one flute in said transition region, said at least one flute in said transition region has a height that is less than a height of a majority of said flutes in said base portion.