Patent ID: 6378763
Filing Date: 2002-04-30
Classification: B31B,B31C,B65D

Abstract:
A multi-ply tubular container having a window for viewing the product contained therein comprising:at least one body ply formed of a fibrous paperboard, said body ply being wrapped into a tubular shape having an inner surface and an outer surface, said body ply defining at least one aperture therethrough such that said aperture forms a window into the container; a liner ply adhered to the inner surface of said body ply and having a portion extending across said aperture, said liner ply comprised of a polymeric material having a low opacity which allows the product in the container to be viewed through the window; and a label ply adhered to the outer surface of said body ply and defining at least one aperture therethrough corresponding to said at least one aperture in said body ply, wherein said at least one aperture in said label ply has a diameter smaller than the diameter of said at least one aperture in said body ply.