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 pin
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.
대표청구항▼
1. A bag comprising a front wall, a back wall, an interior surface, an exterior surface, a top end adapted to comprise a top end panel when the top end is closed, a bottom end adapted to comprise a bottom end panel when the bottom end is closed, each of the front wall and back wall having an interio
1. A bag comprising a front wall, a back wall, an interior surface, an exterior surface, a top end adapted to comprise a top end panel when the top end is closed, a bottom end adapted to comprise a bottom end panel when the bottom end is closed, each of the front wall and back wall having an interior surface, an exterior surface, a top end and a bottom end, and each of the front wall and the back wall comprising a first layer, a second layer, and a third layer, wherein the first layer comprises woven strips comprising oriented polypropylene, the second layer comprises a polymer film comprising polypropylene, and the third layer comprises a polymer film comprising oriented polypropylene, wherein the third layer is laminated to the first layer by the second layer, and wherein the bag comprises a first plurality of cuts, each having a first end and a second end, wherein each of the first plurality of cuts extends at least partially through each of the first layer, the second layer, and the third layer, and the first plurality of cuts define a line located on and extending across a portion of the front wall of the bag, wherein the bag further comprises a first cover on the exterior surface of the bag that covers the first plurality of cuts, with the first cover comprising a second plurality of cuts which penetrate through at least a portion of the first cover, and wherein the bag further comprises a second cover which covers the second plurality of cuts, and wherein the second cover comprises tape. 2. The bag according to claim 1, wherein the first layer further comprises high density polyethylene, low density polyethylene, polyester, or any combination thereof. 3. The bag according to claim 1, wherein at least a portion of the third layer comprises a printed area thereon. 4. The bag according to claim 1, wherein the second layer further comprises polyethylene, polyethylene terephthalate, polyamide, oriented polypropylene, biaxially-oriented polypropylene, oriented polyethylene, biaxially-oriented polyethylene, oriented polyethylene terephthalate, biaxially-oriented polyethylene terephthalate, oriented polyamide, biaxially-oriented polyamide, coated paper or any combination thereof or paper. 5. The bag according to claim 1, wherein the first cover has a first surface and a second surface and an adhesive on at least a portion of the first surface, the second surface, or both. 6. The bag according to claim 1, wherein at least one of the first plurality of cuts or second plurality of cuts comprises a carat, a semi-circle, an open square, or an open rectangle. 7. The bag according to claim 1, wherein at least two of the first plurality of cuts or at least two of the second plurality of cuts intersect. 8. The bag according to claim 7, wherein at least two of the first plurality of cuts or at least two of the second plurality of cuts comprise an “X” shape. 9. The bag according to claim 1, wherein at least two of the first plurality of cuts or at least two of the second plurality of cuts comprise parallel lines. 10. The bag according to claim 7, wherein the first plurality of cuts or the second plurality of cuts comprises an “H” shape. 11. The bag according to claim 1, further comprising a plurality of perforations extending from an end of at least one of the first plurality of cuts or one of the second plurality of cuts, wherein the plurality of perforations penetrate through at least a portion of the bag or first cover. 12. The bag according to claim 11, comprising a first plurality of perforations extending from a first end of at least one of the first plurality of cuts or one of the second plurality of cuts, and a second plurality of perforations extending from a second end of the cut. 13. The bag according to claim 12, wherein the first or second plurality of perforations defines a line. 14. The bag according to claim 12, wherein the first or second plurality of perforations define a shape. 15. The bag according to claim 1, further comprising a deformation in least a portion of the bag or first cover. 16. The bag according to claim 15, further comprising a scoring mark. 17. The bag according to claim 1, wherein the first cover comprises a polymer, a film, an adhesive, a paper, or any combination thereof. 18. The bag according to claim 1, wherein the second cover further comprises a polymer, a film, an adhesive a paper, or any combination thereof. 19. The bag according to claim 1, wherein at least a portion of the bottom end of the rear wall projects further than the bottom end of the front wall. 20. The bag according to claim 19, wherein the portion of the bottom end of the rear wall that projects further than the bottom end of the front wall is sealed to the outer surface of the bottom end of the front wall. 21. The bag according to claim 1, wherein the bag further comprises a first side wall having an interior surface, an exterior surface, a top end and a bottom end, and a second side wall having an interior surface, an exterior surface, a top end and a bottom end, wherein the first side wall and the second side wall further comprise gussets. 22. The bag according to claim 21, wherein at least a portion of the bottom end of the rear wall projects further than the bottom end of the first side wall and the bottom end of the second side wall, and the bottom end of the first side wall and the bottom end of the second side wall project further than the bottom end of the front wall, and wherein the portion of the bottom end of the rear wall that projects further than the bottom end of the first side wall and the bottom end of the second side wall, and the portions of the bottom end of the first side wall and the bottom end of the second side wall that project further than the bottom end of the front wall are sealed to the outer surface of the bottom end of the front wall. 23. The bag according to claim 1, wherein the top end and the bottom end of the bag are sealed, and wherein the bag comprises at least ten pounds by weight of a filling material. 24. The bag according to claim 1 wherein at least portions of the exterior surfaces of each of the front wall and the back wall comprise a plurality of discrete areas further comprising printing thereon. 25. The bag according to claim 1 wherein a portion of the front wall and a portion of the back wall combine to form a discrete portion of the bag located at or near either the top end or the bottom end, wherein the discrete portion of the bag comprises printing thereon. 26. The bag according to claim 25 wherein at least a portion of the front wall or the back wall projects beyond a corresponding portion of the other, thereby defining a pinch bottom bag at the top end or the bottom end of the bag. 27. A bag comprising a front wall, a back wall, a first side wall, a second side wall, an interior surface, an exterior surface, a first end adapted to form a first end panel when the first end is closed, a second end adapted to form a second end panel when the second end is closed, the front wall, back wall, first side wall and second side wall each having an interior surface, an exterior surface, a first end and a second end, and each comprising a first layer, a second layer, and a third layer, wherein the first layer comprises woven strips comprising oriented polypropylene, the second layer comprises a polymer film comprising polypropylene, and the third layer comprises a polymer film comprising oriented polypropylene, wherein the third layer is laminated to the first layer by the second layer, wherein the first end of the front wall projects further than the first end of the first side wall and the first end of the second side wall, and the first end of the first side wall and the first end of the second side wall projects further than the first end of the back wall, wherein the bag comprises reverse printing on the third layer forming the front wall, the first side wall, the back wall, the second side wall, the first end, the second end, or any combination thereof, and wherein the bag comprises a first cover comprising a first plurality of perforations, each of which penetrates at least partially through the first cover, wherein the first cover is located on the exterior surface of the front wall of the bag, the back wall of the bag, the first side wall of the bag, the second side wall of the bag, or any combination thereof, and covers an area of the bag, and wherein the bag further comprises a second plurality of perforations located within the area, with each of the second plurality of perforations penetrating at least partially through the first layer, the second layer, and the third layer and defining a line, and a second cover located over the first plurality of perforations of the first cover. 28. A bag comprising a front wall, a back wall, a first side wall, a second side wall, an interior surface, an exterior surface, a first end adapted to form a first end panel when the first end is closed, a second end adapted to form a second end panel when the second end is closed, a first layer, a second layer, and a third layer, with the front wall, back wall, first side wall and second side wall having an interior surface, an exterior surface, a first end and a second end, wherein the first layer comprises woven polymer strips comprising oriented polypropylene and the second layer comprises a polymer film comprising oriented polypropylene and the second layer is laminated to the first layer by a third layer which comprises a polymer film comprising polypropylene, wherein the first end of the front wall projects further than the first end of the first side wall and the first end of the second side wall, and the first end of the first side wall and the first end of the second side wall project further than the first end of the back wall, wherein the bag comprises printing on the front wall, the first side wall, the back wall, the second side wall, the first end, the second end, or any combination thereof, and wherein the bag comprises a weakened area on the front wall of the bag, the back wall of the bag, the first side wall of the bag, the second side wall of the bag, or any combination thereof, wherein the weakened area comprises a cut and a plurality of perforations, with each of the cut and perforations extending through the first layer, the second layer, and the third layer, and a cover located on the exterior surface of the bag and covering the weakened area, wherein the cover comprises a second weakened area comprising a plurality of cuts or perforations, each extending at least partially through the cover. 29. The bag according to claim 27 wherein the plurality of perforations perforations defines a line. 30. The bag according to claim 27 wherein the first cover comprises a polymer, a film, an adhesive, a paper, or a combination thereof. 31. The bag according to claim 28 wherein the cover comprises a polymer, a film, an adhesive, a paper, or a combination thereof. 32. A bag comprising a first wall and a second wall, each having a first end adapted to comprise a first end panel when the first end is closed and a second end adapted to comprise a second end panel when the second end is closed, each of the first wall and second wall having an interior surface and an exterior surface, wherein each of the first wall and the second wall comprise a laminate which consists essentially of a first layer comprising woven polymer strips comprising oriented polypropylene, a second layer comprising a polymer film comprising polypropylene, and a third layer comprising a polymer film comprising oriented polypropylene, wherein the first layer and the third layer are laminated together by the second layer, and wherein the bag further comprises an easy open feature located at least partially on the first wall of said bag proximal at least one of the first and second ends of said bag, wherein the easy open feature comprises one or more cuts, one or more perforations, or one or more cuts and one or more perforations, each of the cuts or perforations penetrating at least partially through the first layer, the second layer, and the third layer, wherein the one or more cuts, one or more perforations, or one or more cuts and one or more perforations define a line, and wherein said bag further comprises a first cover that covers the one or more cuts, one or more perforations, or one or more cuts and perforations, and wherein said bag further comprises a second cover that covers at least a portion of the first cover, wherein at least one of the first cover and second cover are located on the exterior surface of said bag and neither is located on the interior surface of said bag, and wherein said bag is adapted to hold at least ten pounds by weight of a filling material when the first end is closed and the second end is closed. 33. The bag according to claim 32, wherein the first cover comprises a polymer, a film, an adhesive, a paper, or any combination thereof. 34. The bag according to claim 33 wherein the second cover comprises a polymer, a film, an adhesive, a paper, or any combination thereof. 35. The bag according to claim 34, wherein the bag further comprises a first side wall having an interior surface, an exterior surface, a first end and a second end, and a second side wall having an interior surface, an exterior surface, a first end and a second end, wherein the first side wall and the second side wall further comprise gussets. 36. The bag according to claim 35, wherein at least one of the first cover and the second cover comprises tape. 37. The bag according to claim 32 wherein the second cover comprises a pull tab.
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