Method of manufacturing a bottom gusseted pouch
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B31B-023/00
B31B-029/60
B31B-021/00
출원번호
US-0733205
(2015-06-08)
등록번호
US-9365011
(2016-06-14)
발명자
/ 주소
Russell, James
Ferber, John
출원인 / 주소
Russell, James
대리인 / 주소
Woods Oviatt Gilman LLP
인용정보
피인용 횟수 :
0인용 특허 :
43
초록▼
A method of manufacturing a roll of bottom gusseted pouches serially connected in a top-to-bottom end orientation is provided. The method comprises unwinding a pouch webbing in a first flow direction, the pouch webbing defining front and back panels of a respective pouch; inserting a gusset webbing
A method of manufacturing a roll of bottom gusseted pouches serially connected in a top-to-bottom end orientation is provided. The method comprises unwinding a pouch webbing in a first flow direction, the pouch webbing defining front and back panels of a respective pouch; inserting a gusset webbing between the panels in a second flow direction; attaching the gusset webbing to the panels to form the bottom gusseted end of the pouch; 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; winding the completed pouch onto the roll; and repeating these steps to form the other bottom gusseted pouches in the roll. 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 having a fitment, 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 panel
1. A method of manufacturing a bottom gusseted pouch having a bottom gusseted end, a top end having a fitment, 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 of the bottom gusseted pouch;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 bottom gusset 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 of the pouch;d) sealing the side edges of the front and back panels, wherein the sealed side edges and the bottom gusseted end define a pouch compartment;e) positioning at least a portion of the fitment between the front and back panels adjacent to the top end of the pouch; andf) sealing at least a portion of the fitment to the front and back panels of the pouch to provide selective access to the pouch compartment,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 the bottom gusseted end of the bottom gusseted pouch is connected to a top end of an adjacent bottom gusseted pouch in a top-to-bottom end orientation. 2. The method in accordance with claim 1, 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. 3. 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. 4. 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. 5. The method in accordance with claim 4, wherein two or more of the front panel, the back panel, and the gusset webbing are formed of different supported films. 6. The method in accordance with claim 1, wherein the supported film is fabricated by lamination, extrusion, coextrusion, or combinations thereof. 7. The method in accordance with claim 1, wherein the step of attaching the gusset webbing is conducted using a heat seal. 8. 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, and wherein steps (e) and (f) further comprise positioning and sealing a respective fitment into each of the plurality of side-to-side connected bottom gusseted pouches at a respective top end of the respective pouch. 9. The method in accordance with claim 8, wherein a location and orientation of each of the respective fitments is monitored and manipulated with respect to the top end of the respective pouch to properly align the respective fitment with the respective top end of the respective pouch. 10. 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. 11. 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. 12. 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. 13. The method in accordance with claim 1, wherein the positioning step (e) further includes monitoring and manipulating the fitment with respect to the top end to properly align the fitment with respect to the top end.
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