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US 2019/0161262 A1Published application
Packages with controlled drainage function
AssigneeBemis Company, Inc.
InventorDesmond J. VanHouten
Life of this patent
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Abstract
The present invention is directed to retortable, hot-fill and/or microwavable liquid dispensing packages. The packages include is a line of weakness having a sinusoidal shape in each front and rear panel of the package which are substantially coincident with one another. To drain liquid from the package, a first removable portion can be torn away from the package by manual force separating at the lines of weakness to create a plurality of liquid-passage openings in the remaining portion of the package which extend laterally across the width of the package.
Claims20
A liquid dispensing package comprising:
- front and rear panels sealed together at peripheral edges by at least three peripheral seals;
- a line of weakness having a sinusoidal shape in each front and rear panel which are substantially coincident and extend laterally the width of each panel;
- a continuous interior seal positioned between the crests and troughs of the sinusoidal-shaped lines of weakness which seals the front panel to the rear panel and extends laterally the width of the panels;
- a first tear-initiation feature positioned below the lines of weakness:
- a first removable portion which separates at the first lines of weakness and creates a plurality of liquid-passage openings;
- and
- a second removable portion which separates at the tear-initiation feature to create a singular opening when the first removable portion has been removed from the package.
4 more elements
Dependencies are inferred from the claim text.