Patent ID: 8408450
Filing Date: 2013-04-02
Classification: B29C,B29L,B65B,B65D

Abstract:
1. A packaging configuration comprising: a sheet of packaging film having a machine direction and a transverse direction transverse to said machine direction; wherein said sheet comprises a leading end portion having a leading edge and a trailing end portion having a trailing edge; wherein said sheet is formed into a tube such that said leading end portion and said trailing end portion thereof overlap each other to form an overlapped region having overlapping films; wherein said sheet further comprises a tab having an attached end attached to said sheet at the leading end portion thereof, a free end opposite said attached end, and free sides connected between said attached end and said free end; wherein said sheet has a notch formed therein at the trailing end portion thereof so as to extend inwardly in the machine direction from said trailing edge of said trailing end portion; wherein said overlapped region comprises a tear line that extends through said attached and free ends of said tab and through said notch, and a tear line region that flanks said tear line and extends along said tear line from said attached end of said tab to said notch in said machine direction; wherein said tear line comprises one or more lines of weakness integral to the film and extending from said free end of said tab to said notch; wherein said overlapping films in at least a portion of said tear line region are sealed against each other; and wherein said overlapping films within a tab region are less strongly sealed against each other than the overlapping films outside the tab region, wherein the tab region is within the tear line region and is bounded by a line that is spaced from and parallel to the leading edge and passes through the attached end of the tab.