A method of manufacturing a bottom gusseted pouch is provided. The method comprises unwinding a pouch webbing in a first flow direction, the pouch webbing defining front and back panels; inserting a gusset webbing between the panels in a second flow direction; attaching the gusset webbing to the pan
A method of manufacturing a bottom gusseted pouch is provided. The method comprises unwinding a pouch webbing in a first flow direction, the pouch webbing defining front and back panels; inserting a gusset webbing between the panels in a second flow direction; attaching the gusset webbing to the panels to form a bottom gusseted end; optionally inserting a closure mechanism between the panels in a third flow direction; attaching the closure mechanism to the panels to form the resealable top end of the pouch; sealing the side edges of the panels to complete the pouch; and optionally cutting the completed pouch from the pouch webbing. At least one of the pouch webbing and the gusset webbing is formed of a supported film.
대표청구항▼
1. A method of manufacturing a bottom gusseted pouch having a bottom gusseted end, a top end and sealed first and second side edges, the method comprising: a) unwinding at least one pouch webbing in a first flow direction, the at least one pouch webbing defining front and back panels;b) inserting a
1. A method of manufacturing a bottom gusseted pouch having a bottom gusseted end, a top end and sealed first and second side edges, the method comprising: a) unwinding at least one pouch webbing in a first flow direction, the at least one pouch webbing defining front and back panels;b) inserting a gusset webbing between the front and back panels, wherein when the gusset webbing is positioned between the front and back panels the gusset webbing flows in a second flow direction which is transverse to the first flow direction;c) attaching the gusset webbing to the front and back panels to form the bottom gusseted end; andd) sealing the side edges of the front and back panels to complete the bottom gusseted pouch;wherein at least one of the pouch webbing and the gusset webbing is formed of a supported film, wherein the supported film includes at least a first film layer and a second film layer, andwherein either the top end or the bottom gusseted end of the completed bottom gusseted pouch is connected to either a bottom gusseted end or a top end of an adjacent bottom gusseted pouch. 2. The method in accordance with claim 1, further including the steps of: e) inserting a closure mechanism between the front and back panels in a third flow direction which is transverse to the first flow direction, wherein the gusset webbing and the closure mechanism are in spaced parallel relation; andf) attaching the closure mechanism to one or both of the front and back panels to form a resealable top end of the respective pouch. 3. The method in accordance with claim 2, wherein the step of inserting the closure mechanism further includes: i) unwinding the closure mechanism from a closure mechanism roll before inserting the closure mechanism between the front and back panels; andii) cutting the closure mechanism from the closure mechanism roll proximate said first or second side edge after inserting the closure mechanism between the front and back panels. 4. The method in accordance with claim 2, wherein steps (b) and (c) are performed simultaneously with steps (e) and (f). 5. The method in accordance with claim 2, wherein the second flow direction and the third flow direction are the same direction. 6. The method in accordance with claim 2, wherein the second flow direction and the third flow direction are in opposite directions. 7. The method in accordance with claim 1, further including the step of cutting the completed bottom gusseted pouch from the adjacent bottom gusseted pouch along either the top end or the bottom gusseted end of the completed bottom gusseted pouch. 8. The method in accordance with claim 1, wherein the step of inserting the gusset webbing further includes: i) unwinding the gusset webbing from a gusset webbing roll and folding the gusset webbing evenly along a longitudinal axis of the gusset webbing before the gusset webbing is inserted between the front and back panels, wherein the longitudinal axis is parallel to the second flow direction; andii) cutting the gusset webbing from the gusset webbing roll proximate the first or second side edge after inserting the gusset webbing between the front and back panels. 9. The method in accordance with claim 1, wherein the first film layer has a lower heat index than the second film layer, and wherein the second film layer is an outer surface of one or more of the front panel, the back panel, and the gusset webbing. 10. The method in accordance with claim 1, wherein at least one of the first film layer and the second film layer is formed of nylon, polyethylene, polypropylene, polyester, a metal foil, or combinations thereof. 11. The method in accordance with claim 10, wherein two or more of the front panel, the back panel, and the gusset webbing are formed of different materials. 12. The method in accordance with claim 1, wherein the supported film is fabricated by lamination, extrusion, coextrusion, or combinations thereof. 13. The method in accordance with claim 1, wherein the step of attaching the gusset webbing is conducted using a heat seal. 14. The method in accordance with claim 1, wherein the steps of attaching the gusset webbing and sealing the side walls to the front and back panels are conducted when the pouch webbing is under tension. 15. The method in accordance with claim 1, wherein step (d) further comprises sealing the front and back panels in one or more locations between the side edges, wherein the one or more locations are directed parallel to the first flow direction to create a plurality of side-to-side connected bottom gusseted pouches. 16. The method in accordance with claim 1, wherein the gusset webbing includes at least one gusset hole defined therein, and wherein the front panel and the back panel are attached to one another through the at least one gusset hole. 17. The method in accordance with claim 1, wherein the step of unwinding the at least one pouch webbing includes: i) unwinding a pouch webbing sheet;ii) folding the unwound pouch webbing sheet evenly along a longitudinal axis of the pouch webbing sheet to form a seam; andiii) cutting the folded pouch webbing sheet at the seam to form the front and back panels. 18. The method in accordance with claim 1, wherein the step of unwinding the at least one pouch webbing includes: i) unwinding a first pouch webbing sheet to form the front panel; andii) unwinding a second pouch webbing sheet in spaced parallel relation with the first pouch webbing sheet to form the back panel. 19. A method of manufacturing a bottom gusseted pouch having a bottom gusseted end, a resealable top end, and sealed first and second side edges, the method comprising: a) unwinding at least one pouch webbing in a first flow direction, the at least one pouch webbing forming front and back panels;b) inserting a gusset webbing between the front and back panels, wherein when the gusset webbing is positioned between the front and back panels the gusset webbing flows in a second flow direction which is transverse to the first flow direction;c) attaching the gusset webbing to the front and back panels to form the bottom gusseted end;d) inserting a closure mechanism between the front and back panels in a third flow direction which is transverse to the first flow direction, wherein the gusset webbing and the closure mechanism are in spaced parallel relation;e) attaching the closure mechanism to one or both of the front and back panels to form the resealable top end;f) sealing the side edges of the front and back panels to complete the bottom gusseted pouch; andg) cutting the completed bottom gusseted pouch from the at least one pouch webbing along either the top end or the bottom gusseted end of the completed bottom gusseted pouch,wherein at least one of the pouch webbing and the gusset webbing is formed of a supported film, wherein the supported film includes at least a first film layer and a second film layer, andwherein either the top end or the bottom gusseted end of the completed bottom gusseted pouch is connected to either a bottom gusseted end or a top end of an adjacent bottom gusseted pouch. 20. The method in accordance with claim 19, wherein the step of inserting the gusset webbing further comprises: i) unwinding the gusset webbing from a gusset webbing roll and folding the gusset webbing evenly along a longitudinal axis of the gusset webbing before the gusset webbing is inserted between the front and back panels, wherein the longitudinal axis is parallel to the second flow direction; andii) cutting the gusset webbing from the gusset webbing roll proximate the first or second side edge after inserting the gusset webbing between the front and back panels. 21. The method in accordance with claim 19, wherein the step of inserting the closure mechanism further includes: i) unwinding the closure mechanism from a closure mechanism roll before inserting the closure mechanism between the front and back panels; andii) cutting the closure mechanism from the closure mechanism roll proximate said first or second side edge after inserting the closure mechanism between the front and back panels. 22. The method in accordance with claim 19, wherein the first film layer has a lower heat index than the second film layer, and wherein the second film layer is an outer surface of one or more of the front panel, the back panel, and the gusset webbing. 23. The method in accordance with claim 19, wherein at least one of the first film layer and the second film layer is formed of nylon, polyethylene, polypropylene, polyester, a metal foil, or combinations thereof. 24. The method in accordance with claim 23, wherein two or more of the front panel, the back panel, and the gusset webbing are formed of different supported films. 25. The method in accordance with claim 19, wherein one or both of the steps of attaching the gusset webbing and attaching the closure mechanism is conducted using a heat seal. 26. The method in accordance with claim 19, wherein step (f) further comprises sealing the front and back panels in one or more locations between the side edges, wherein the one or more locations are directed parallel to the first flow direction to create a plurality of side-to-side connected bottom gusseted pouches. 27. The method in accordance with claim 19, wherein the gusset webbing includes at least one gusset hole defined therein, and wherein the front panel and the back panel are attached to one another through the at least one gusset hole. 28. The method in accordance with claim 19, wherein the step of unwinding the at least one pouch webbing includes: i) unwinding a pouch webbing sheet;ii) folding the unwound pouch webbing sheet evenly along a longitudinal axis of the pouch webbing sheet to form a seam; andiii) cutting the folded pouch webbing sheet at the seam to form the front and back panels. 29. The method in accordance with claim 19, wherein the step of unwinding the at least one pouch webbing includes: i) unwinding a first pouch webbing sheet to form the front panel; andii) unwinding a second pouch webbing sheet in spaced parallel relation with the first pouch webbing sheet to form the back panel. 30. The method in accordance with claim 19, wherein the steps of attaching the gusset webbing, attaching the closure mechanism and sealing the side walls to the front and back panels are conducted when the pouch webbing is under tension.
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