A sealed storage bag of multiple compartment structure, wherein a separated condition of compartments is needed until just before the use, such as an infusion bag of a mixing type of two kinds of liquid or a bag for cooked storage food with flavoring materials. A sealed storage bag comprises a flexi
A sealed storage bag of multiple compartment structure, wherein a separated condition of compartments is needed until just before the use, such as an infusion bag of a mixing type of two kinds of liquid or a bag for cooked storage food with flavoring materials. A sealed storage bag comprises a flexible outer bag; an inner bag as a rectangular small compartment having an inner storage space, which is separated, by a film member, from an outer storage space in the outer bag; a filling port for filling contents; and a discharge port for discharging the contents.
대표청구항▼
1. A sealed storage bag, comprising: an outer bag;an inner bag provided within the outer bag; anda discharge port that communicates between an interior of the outer bag and an exterior of the storage bag;wherein:the outer bag comprises a substantially rectangular front film wall and a substantially
1. A sealed storage bag, comprising: an outer bag;an inner bag provided within the outer bag; anda discharge port that communicates between an interior of the outer bag and an exterior of the storage bag;wherein:the outer bag comprises a substantially rectangular front film wall and a substantially rectangular rear film wall;the inner bag comprises a substantially rectangular front film wall and a substantially rectangular rear film wall;top edges of the outer bag front film wall, the outer bag rear film wall, the inner bag front film wall, the inner bag rear film wall are welded together at a top edge of the storage bag;bottom edges of the outer bag front film wall and the outer bag rear film wall are welded together at a bottom edge of the storage bag;first side edges of the outer bag front film wall and the outer bag rear film wall are welded together at a first side edge of the storage bag;second side edges of the outer bag front film wall and the outer bag rear film wall are welded together at a second side edge of the storage bag;first side edges of the inner bag front film wall and the inner bag rear film wall are welded together with the first side edges of the outer bag front film wall and the outer bag rear film wall at an upper portion of the first side edge of the storage bag;second side edges of the inner bag front film wall and the inner bag rear film wall are welded together with the second side edges of the outer bag front film wall and the outer bag rear film wall at an upper portion of the second side edge of the storage bag;a bottom edge of the inner bag rear film wall is welded to the outer bag rear film wall;an opener portion of the inner bag front film wall is welded to the outer bag front film wall;the opener portion of the inner bag front film is separated from the top edge, first side edge, second side edge, and a bottom edge of the inner bag front film, but adjacent to the bottom edge of the inner bag front film; andwhen the outer bag and the inner bag are filled, application of a compression force to the outer bag causes the inner bag front film wall to rupture in proximity to the opener portion of the inner bag front film wall and the contents of the outer bag and the inner bag to mix. 2. The sealed storage bag of claim 1, wherein the inner bag front film wall and the inner bag rear film wall are formed from a single film member folded in two, the fold being provided at the bottom edge of the inner bag front film wall and the inner bag rear film wall. 3. The sealed storage bag of claim 2, wherein: the inner bag front film wall is welded to the inner bag rear film wall by a plurality of substantially vertical welds extending from the top edge of the inner bag front film wall and the inner bag rear film wall to the bottom edge of the inner bag front film wall and the inner bag rear film wall, the substantially vertical welds separating the inner bag into a plurality of compartments;the opener portion is provided on a portion of the inner bag front film wall forming a first of the plurality of compartments;at least one additional opener portion of the inner bag front film wall is welded to the outer bag front film wall; andthe at least one additional opener portion is provided on a portion of the inner bag front film wall forming each of a remainder of the plurality of compartments. 4. The sealed storage bag of claim 3, wherein: the outer bag front film wall is welded to the inner bag front film wall at reinforcing portions corresponding to each of the plurality of substantially vertical welds; andthe reinforcing portions extend along at least a portion of each of the plurality of substantially vertical welds including a top edge of each of the plurality of substantially vertical welds. 5. The sealed storage bag of claim 4, wherein the reinforcing portions terminate above a location of the opener portions. 6. The sealed storage bag of claim 1, wherein: an assist portion of the inner bag front film wall is welded to the outer bag front film wall; andthe assist portion of the inner bag front film is separated from the top edge, first side edge, second side edge, and bottom edge of the inner bag front film, and provided above the opener portion. 7. The sealed storage bag of claim 1, wherein the opener portion comprises a welded portion having an angled portion of an acute shape. 8. The sealed storage bag of claim 1, wherein the opener portion is provided substantially centrally with respect to the first side edge and the second side edge of the inner bag front film. 9. The sealed storage bag of claim 1, wherein: the inner bag comprises a material that is heat-weldable and does not absorb a material stored in the inner bag; andthe outer bag comprises a material that is heat-weldable and does not absorb a material stored in the outer bag. 10. The sealed storage bag of claim 1, wherein the outer bag front film wall and the outer bag rear film wall are welded together at an easily separable welded portion that separates the outer bag into two compartments. 11. The sealed storage bag of claim 1, wherein: each the outer bag front film and the outer bag rear film comprises a laminate;the laminate comprises a polyolefin film layer at a polyethylene terephthalate film layer;the polyolefin film layer is adjacent to the interior of the outer bag in each of the outer bag front film and the outer bag rear film; andthe polyethylene terephthalate film layer is adjacent to an exterior of the outer bag in each of the outer bag front film and the outer bag rear film. 12. The sealed storage bag of claim 1, wherein each the inner bag front film and the inner bag rear film comprises a polyolefin film member. 13. The sealed storage bag of claim 1, wherein: an infusion liquid including saccharides is stored in the outer bag; andan infusion liquid including amino-acids is stored in the inner bag. 14. The sealed storage bag of claim 1, wherein: a cooked food is stored in the outer bag; anda flavoring material and/or an extra food(s) is stored in the inner bag.
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