Patent ID: 6491214
Filing Date: 2002-12-10
Classification: A47G,B31F,B65D,Y10S

Abstract:
A multi-ply food container having an XY plane and a Z-direction orthogonal thereto, said multi-ply food container comprising a periphery and a central region, said periphery and said central region each having a thickness, said entire periphery being spaced apart in said Z-direction from said central region, said thickness throughout said central region being greater than the thickness of said periphery, said multi-ply food container comprising a laminate, said laminate consisting of three plies, a first ply, a second ply and a third ply, said second ply being interposed between said first ply and said third ply, whereby said first ply and said third ply are spaced apart from each other, said second ply providing for an air space between said first ply and said third ply, said laminate having a basis weight of 100-1000 grams per square meter, said food container being multi-planar and having first and second portions spaced apart in the Z-direction, said first and second portions being connected by a continuous transition region.