Butt seamed package bag and method for using same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-077/38
B65D-075/58
B65B-051/26
B65B-003/04
B65B-007/02
B65D-077/10
B65B-051/14
B65B-061/18
B29C-065/18
B29C-065/76
B29C-065/82
B29C-065/00
B29L-031/00
B29C-065/08
B29C-065/38
출원번호
US-0376732
(2013-02-19)
등록번호
US-9592945
(2017-03-14)
우선권정보
JP-2012-035029 (2012-02-21)
국제출원번호
PCT/JP2013/053912
(2013-02-19)
국제공개번호
WO2013/125499
(2013-08-29)
발명자
/ 주소
Kogure, Hidenori
출원인 / 주소
TAISEI LAMICK CO., LTD.
대리인 / 주소
Greenblum & Bernstein, P.L.C.
인용정보
피인용 횟수 :
0인용 특허 :
17
초록▼
A rectangular, flexible butt-seamed package bag and a method for using the same is provided in which the pouring of a single type of a liquid packing material filled and packed in the filling space for the packed material from the package bag can be easily performed. A butt-seamed package bag formed
A rectangular, flexible butt-seamed package bag and a method for using the same is provided in which the pouring of a single type of a liquid packing material filled and packed in the filling space for the packed material from the package bag can be easily performed. A butt-seamed package bag formed by joining both side portions of a sealant layer of a laminate film for packing to each other at a butt state and joining bottom portions or top portions thereof to define a filling space for a single packed material, characterized in that a pouring path for the packed material is disposed in a middle part of a butt-seamed joint portion in an extending direction thereof, and at least a part of the pouring path is provided with an easily separable portion having a joint strength relatively lower than that of the butt-seamed joint portion.
대표청구항▼
1. A butt-seamed package bag configured to be stored and transported in a flat posture, comprising: a laminate film including a sealant layer having two side portions joined at a butt-seamed joint portion, and top and bottom portions joined, such that the joined portions define a filling space for a
1. A butt-seamed package bag configured to be stored and transported in a flat posture, comprising: a laminate film including a sealant layer having two side portions joined at a butt-seamed joint portion, and top and bottom portions joined, such that the joined portions define a filling space for a packed material, whereina pouring path for the packed material is provided at an intermediate position between both side portions, and is disposed in a middle part of the butt-seamed joint portion in an extending direction thereof, andat least a part of the pouring path is provided with a heat sealed separable portion having a joint seal strength relatively lower than a joint seal strength of the butt-seamed joint portion such that when the butt-seamed package bag is in the flat posture and the filling space is pressed during storage or transport of the butt-seamed package bag, the heat sealed separable portion remains sealed, and when both side portions are folded about the butt-seamed joint portion into a mountain state and the packed material in the filling space is pressed during a pouring operation, the heat sealed separable portion is separated by the pressure of the packed material being pressed to allow the single packed material to flow out of the pouring path. 2. The butt-seamed package bag according to claim 1, wherein a width of the pouring path gradually narrows as a distance from the filling space for the packed material is increased. 3. The butt-seamed package bag according to claim 1, wherein a width of the pouring path is constant over a whole in an extending direction of the pouring path. 4. The butt-seamed package bag according to claim 1, wherein the heat sealed separable portion is provided adjacent to an exit of the pouring path. 5. The butt-seamed package bag according to claim 1, wherein the heat sealed separable portion is provided over the whole of the pouring path. 6. The butt-seamed package bag according to claim 1, wherein the heat sealed separable portion is a plurality of heat sealed separable portions that are provided at plural required places in the extending direction of the pouring path. 7. The butt-seamed package bag according to claim 2, wherein the heat sealed separable portion is provided adjacent to an exit of the pouring path. 8. The butt-seamed package bag according to claim 2, wherein the heat sealed separable portion is provided over the whole of the pouring path. 9. The butt-seamed package bag according to claim 2, wherein the heat sealed separable portion is a plurality of heat sealed separable portions that are provided at plural required places in the extending direction of the pouring path. 10. The butt-seamed package bag according to claim 3, wherein the heat sealed separable portion is provided adjacent to an exit of the pouring path. 11. The butt-seamed package bag according to claim 3, wherein the heat sealed separable portion is provided over the whole of the pouring path. 12. The butt-seamed package bag according to claim 3, wherein the heat sealed separable portion is a plurality of heat sealed separable portions that are provided at plural required places in the extending direction of the pouring path. 13. A method for using a package bag, formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 1, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 14. A method for using a package bag formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 2, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 15. A method for using a package bag formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 3, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 16. A method for using a package bag formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 4, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 17. A method for using a package bag formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 5, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 18. A method for using a package bag formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 6, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 19. A method for using a package bag formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 7, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 20. A method for using a package bag formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 8, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 21. A method for using a package bag formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 9, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 22. A method for using a package bag formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 10, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 23. A method for using a package bag formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 11, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 24. A method for using a package bag formed by filling and packing a single type liquid packing material in the filling space for the packed material of the butt-seamed package bag according to claim 12, the method comprising: folding the package bag about the butt-seamed joint portion into the mountain state; andpouring the single type liquid packing material through the pouring path by pressing the filling space for the packed material in a thickness direction to separate the heat sealed separable portion. 25. The butt-seamed package bag according to claim 1, wherein the heat sealed separable portion is provided along an edge portion of the filling space. 26. The butt-seamed package bag according to claim 1, wherein a thickness of the package body when both side portions are folded about the butt-seamed joint portion into the mountain state is twice as thick as a thickness of the package body when both side portions are in the flat posture. 27. The butt-seamed package bag according to claim 1, wherein the heat sealed separable portion is formed by setting at least one of a heating temperature and a pressing force to a relatively lower value than that of the butt-seamed joint portion such that the joint seal strength of the heat sealed separable portion is relatively lower than the joint seal strength of the butt-seamed joint portion. 28. The butt-seamed package bag according to claim 1, wherein the butt-seamed joint portion is defined by the heat sealed separable portion that extends over a full length of the laminate film and a heat sealed portion defined at free end side portions of the laminate film in a butt-seamed state such that a shape for the pouring path is defined. 29. The butt-seamed package bag according to claim 1, wherein the laminate film is a biaxially-oriented nylon film laminated with a straight-chain low density polyethylene film.
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