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US 11,027,888 B2Granted
Easy open plastic bags
AssigneePolytex Fibers Corporation
InventorJacobo Bazbaz
Life of this patent
Estimating the term…
Abstract
A woven laminated plastic bag having an easy open feature is provided. The easy open feature is generally defined by a weakened portion in the bag. In various aspects the bag can be fabricated from woven polypropylene and/or polyethylene layer which can be laminated with a film layer, can form a pinch bottom bag, and can have one or both sides include graphics and/or printing. The bag can also provide a top end and/or a bottom end either or both of which provide a discrete area which may contain discrete graphics and/or printing.
Claims38
A bag comprising:
- a front wall, a back wall, an interior surface, an exterior surface, a top end, and a bottom end, wherein each of the front wall and the back wall comprise a first layer and a second layer wherein each of the first layer and the second layer comprise polypropylene and the first layer further comprises woven strips;
- wherein the first layer and the second layer are laminated to one another;
- wherein the bag further comprises a first plurality of perforations that extend at least partially through the front wall;
- wherein the first plurality of perforations define a line extending across a portion of the front wall;
- wherein the bag further comprises a first cover that covers the first plurality of perforations;
- wherein the first cover comprises a second plurality of perforations that penetrate through at least a portion of the first cover;
- and
- wherein the bag further comprises a second cover that covers the second plurality of perforations.
5 more elements
A bag comprising:
- a front wall, a back wall, an interior surface, an exterior surface, a top end, and a bottom end, wherein each of the front wall and the back wall comprise a first layer and a second layer;
- wherein each of the first layer and the second layer comprise polyethylene and the first layer further comprises woven strips;
- wherein the first layer and the second layer are laminated to one another;
- wherein the bag further comprises a first plurality of perforations that extend at least partially through the front wall;
- wherein the first plurality of perforations define a line extending across a portion of the front wall;
- wherein the bag further comprises a first cover that covers the first plurality of perforations;
- wherein the first cover comprises a second plurality of perforations that penetrate through at least a portion of the first cover;
- and
- wherein the bag further comprises a second cover that covers the second plurality of perforations.
6 more elements
Dependencies are inferred from the claim text.