Laminate and packaging bag

Abstract

To provide a laminate in which a fold is further securely formed, and a packaging bag.SOLUTION: A laminate 20, having at least a paper material 22 and a sealant layer 21, includes a folding line 19 formed by partially cutting the laminate 20 so as to penetrate at least the paper material 22. A pouring-port unsealing line is provided at an unsealing position of a pouring port formed from the laminate, and the folding line is not connected to the pouring-port unsealing line. Further, the folding line is, on one side or both sides of the pouring-port unsealing line, formed at a position where an extension line of the folding line crosses the pouring-port unsealing line.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a laminate and a packaging bag. [Background technology]

[0002] For example, packaging bags (pouches) for storing refill contents are widely used that are provided with a spout to facilitate pouring of the contents. Patent Document 1 describes that a self-standing bag made of a laminate of a paper layer and a resin layer is pressed with a mold to provide creases on the side surface. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2001-213444 Summary of the Invention [Problem to be solved by the invention]

[0004] In recent years, materials made of laminated paper have been attracting attention in order to reduce the use of plastic. However, because paper is highly rigid, it is difficult to maintain the folded shape along the crease by simply pressing it.

[0005] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a laminate and a packaging bag in which folds can be formed more reliably. [Means for solving the problem]

[0006] In order to solve the above problem, the present invention provides a laminate having at least a paper material and a sealant layer, characterized in that the laminate has a fold line processed by partially cutting the laminate so as to penetrate at least the paper material.

[0007] The spout formed from the laminate may have a spout opening line at the opening position, and the fold line may not be connected to the spout opening line. The fold line may be formed on one or both sides of the spout opening line at a position where an extension of the fold line intersects with the spout opening line. The fold lines may be formed on both sides of the spout opening line, and a fold line may also be provided on the spout further towards the tip side than the spout opening line.

[0008] The present invention also provides a packaging bag, characterized in that the laminate is used for at least one member. [Effects of the Invention]

[0009] According to the present invention, even if the laminate contains paper material, folds can be formed more reliably. [Brief explanation of the drawings]

[0010] [Figure 1] FIG. 1 is a front view showing an example of a packaging bag. [Figure 2] FIG. 1 is a cross-sectional view showing a first embodiment of a laminate. [Figure 3] FIG. 4 is a cross-sectional view showing a second embodiment of the laminate. [Figure 4] FIG. 10 is a cross-sectional view showing a third embodiment of the laminate. [Figure 5] 1A and 1B are partially enlarged views illustrating the shapes of the opening line of the spout. DETAILED DESCRIPTION OF THE INVENTION

[0011] The present invention will be described below based on preferred embodiments. An example of a packaging bag is shown in Figure 1. The packaging bag 10 shown in Figure 1 has a body member 11 having a spout 14, and a bottom member 12 arranged below the body member 11. A spout opening line 18 and a fold line 19 are formed at and near the spout 14.

[0012] <Laminate> A laminate according to an embodiment that can be suitably used for the body member 11 will now be described. Figures 2 to 4 show the cross-sectional structures of the laminates 20, 20A, and 20B that will become the body member 11. These laminates 20, 20A, and 20B have at least a sealant layer 21 and a paper material 22. The sealant layer 21 is a fusible material used to bond the laminates 20, 20A, and 20B. By laminating the paper material 22, it is possible to impart stiffness to the laminates 20, 20A, and 20B.

[0013] The laminates 20, 20A, 20B have fold lines 19 formed by partially cutting the laminates 20, 20A, 20B so as to penetrate at least the paper material 22. By having the fold lines 19 in the paper material 22, it is possible to easily form folds even if the paper material 22 has rigidity. Furthermore, by reducing the rigidity at the fold lines 19, it is possible to easily maintain the folded state of the fold. By having the fold lines 19 penetrate the paper material 22, it is possible to suppress delamination of the paper material 22. The fold lines 19 may be dashed lines.

[0014] The material of the sealant layer 21 is not particularly limited, but examples thereof include polyolefin resins such as low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), ethylene-vinyl acetate copolymer, polypropylene, and cyclic olefin resins. The thickness of the sealant layer 21 is not particularly limited, but may be, for example, about 20 to 200 μm, or even about 25 to 170 μm.

[0015] The sealant layer 21 may be formed, for example, using a single-layer or multi-layer sealant film or an extruded resin layer. The sealant layer 21 may be the innermost layer of the laminate 20, 20A, 20B that comes into contact with the contents.

[0016] The paper material 22 is not particularly limited, but from the viewpoint of reducing dependency on petroleum as a material, paper made by agglutinating plant fibers such as wood pulp, cotton pulp, bamboo pulp, straw pulp, bast fiber, seed hair fiber, leaf vein fiber, and grass fiber is preferred. The paper material 22 may contain animal fiber, synthetic fiber, metal fiber, inorganic fiber, etc. The paper material 22 may be impregnated with resin. At least one side of the paper material 22 may have a coating layer.

[0017] In order to impart rigidity to the paper material 22, it is preferable that the paper material 22 has an appropriate thickness. For example, the basis weight of the paper material 22 is 30 to 200 g / m 2 It may be about 60 to 170 g / m 2 The color of the paper material 22 is not particularly limited, and may be, for example, white, yellow, brown, gray, etc. The paper material 22 may be colored to a desired color using dyes, pigments, etc. The coloring of the paper material 22 may have a pattern, design, gradation, etc.

[0018] 2 has a sealant layer 21 laminated on the inner surface of paper material 22, and a fold line 19 formed on the side of the paper material 22. Because the fold line 19 penetrates the entire thickness of the paper material 22, when the laminate 20 is folded along the fold line 19, the paper material 22 easily separates on both sides of the fold line 19 in the width direction, and the laminate 20 can be folded simply by folding the sealant layer 21.

[0019] 3, a sealant layer 21 is laminated on the inner surface of paper material 22 via an intermediate layer 23, and a fold line 19 is formed from the side of the paper material 22. Because the fold line 19 penetrates the entire thickness of the paper material 22, when the laminate 20A is folded along the fold line 19, the paper material 22 easily separates on both sides of the fold line 19 in the width direction, and the laminate 20A can be folded simply by folding the sealant layer 21.

[0020] The intermediate layer 23 is not particularly limited as long as it is made of a material other than the sealant layer 21 and the paper material 22, and examples thereof include a resin layer, a resin film, and an adhesive layer. The number of layers of the intermediate layer 23 laminated between the sealant layer 21 and the paper material 22 is not particularly limited, and may be one layer or two or more layers. When the intermediate layer 23 has two or more layers, the layers may be made of the same material or different materials.

[0021] The fold line 19 may reach the intermediate layer 23, or at least a portion of the intermediate layer 23 may be cut by the fold line 19. The fold line 19 may separate the intermediate layer 23 partway along the paper material 22 side, leaving the sealant layer 21 side of the intermediate layer 23 connected. The fold line 19 may be formed so as to penetrate at least one or all of the layers included in the intermediate layer 23.

[0022] 4 has an outer layer 24 formed on the outer surface of paper material 22, a sealant layer 21 laminated on the inner surface of paper material 22, and a fold line 19 formed from the side of paper material 22. Because fold line 19 penetrates the entire thickness of paper material 22 and outer layer 24, when laminate 20B is folded along fold line 19, paper material 22 and outer layer 24 are easily separated on both sides of fold line 19 in the width direction, and laminate 20B can be folded simply by folding sealant layer 21.

[0023] The outer layer 24 is not particularly limited as long as it is made of a material other than the sealant layer 21 and the paper material 22, and examples thereof include a resin layer, a resin film, an adhesive layer, etc. The number of layers of the outer layer 24 laminated on the outside of the paper material 22 is not particularly limited, and may be one layer or two or more layers. When the outer layer 24 has two or more layers, the layers may be made of the same material or different materials.

[0024] The fold line 19 may penetrate both the outer layer 24 and the paper material 22. In this case, the fold line 19 may be formed simultaneously in the outer layer 24 and the paper material 22. The fold line 19 may penetrate the paper material 22 inside the outer layer 24 without cutting at least a portion of the outer layer 24. In this case, the outer layer 24 may be laminated after the fold line 19 is formed in the paper material 22, or the fold line 19 may be formed in the inner paper material 22 using a means that penetrates the outer layer 24.

[0025] The means for forming the crease lines 19 is not particularly limited, and may be an optical processing means such as a laser, or a mechanical processing means such as a Thomson blade or a punching blade. If the outer layer 24 is transparent to the laser, the laser that has passed through the outer layer 24 may locally heat the paper material 22. When the paper material 22 is heated with a laser, the crease lines 19 may be formed in both the outer layer 24 and the paper material 22, or the crease lines 19 may be formed only in the paper material 22.

[0026] Although not specifically shown, an intermediate layer 23 and an outer layer 24 may be laminated on both sides of the paper material 22, respectively. When a resin layer or resin film is used for the intermediate layer 23 or outer layer 24, the resin may be, but is not limited to, polyolefin resins such as polyethylene and polypropylene, polyamide resins such as nylon, polyester resins such as polyethylene terephthalate (PET), and other thermoplastic resins. These resins may be unstretched or may be stretched uniaxially or biaxially. Two or more resins may also be used in combination.

[0027] The resin used in the laminates 20, 20A, and 20B may be a petroleum-derived resin, a plant-derived resin, or a recycled resin. Resins of different origins may also be blended. For example, in the case of polyolefins such as polyethylene, plant-derived polyolefins using olefins produced from alcohols by fermenting biomass, or recycled polyolefins obtained by recycling polyolefin products or waste materials, etc., can be used.

[0028] The method for producing the laminates 20, 20A, 20B is not particularly limited, and examples thereof include dry lamination, extrusion lamination, co-extrusion, etc. In order to improve the barrier properties against gases such as oxygen and water vapor and ultraviolet rays, the laminates 20, 20A, 20B may be laminated with a metal foil such as aluminum foil, a metal vapor deposition layer, an inorganic vapor deposition layer such as a metal oxide or ceramic, an ethylene-vinyl alcohol copolymer, etc.

[0029] The laminates 20, 20A, and 20B can be manufactured as a composite material mainly made of paper and resin. In addition to paper and resin, they may contain metal such as aluminum, or may not contain metal.

[0030] When the materials used in the laminates 20, 20A, and 20B are classified into paper, resin (plastic), metal (aluminum), etc., the proportion (weight ratio) of paper may be the largest. For example, the weight of the paper material 22 may be greater than the weight of the resin and the weight of the metal, such as 40% paper, 35% resin, and 25% metal. The weight of the paper material 22 may be 50% by weight or more of the total weight of the laminates 20, 20A, and 20B.

[0031] Specific examples of the layer structure of the laminates 20, 20A, and 20B include, but are not limited to, layer structures such as "paper material / sealant layer," "paper material / adhesive / nylon / adhesive / PET with vapor deposition layer / adhesive / sealant layer," "paper material / adhesive / PET with vapor deposition layer / adhesive / nylon / adhesive / sealant layer," and "PET / paper material / sealant layer."

[0032] <Packaging bag> Next, a more detailed description will be given of packaging bag 10 using laminates 20, 20A, and 20B as body member 11. Packaging bag 10 shown in Fig. 1 is a standing pouch made up of two body members 11, front and rear, which have the same planar shape, and bottom member 12 folded in half with fold line 12a as the center line. Bottom member 12 is folded so that fold line 12a faces inward and is positioned at the bottom between front and rear body members 11.

[0033] The above-described laminates 20, 20A, 20B having fold lines 19 can be suitably used to produce the body member 11. The fold lines 19 may be formed in advance in the body member 11 before it is joined to the bottom member 12. The fold lines 19 may be formed in the body member 11 after the bottom member 12 is joined to the body member 11. It is also possible to form the fold lines 19 after the packaging bag 10 is formed from the body member 11 and the bottom member 12.

[0034] Side edge seal portions 11a, 11b are formed at the side edges on both the left and right sides of the packaging bag 10. A bottom seal portion 12b is formed at the lower part of the packaging bag 10 on the opposing surfaces where the body member 11 and the bottom member 12 face each other. At the upper corner of the packaging bag 10, between the upper side 14a and the side edge 14b, a spout 14 is arranged so that a flow path 15 faces diagonally upward of the packaging bag 10. The flow path 15 is formed from an unsealed portion between the front and rear body members 11. Although not particularly shown, the flow path 15 of the packaging bag 10 may face upward substantially perpendicular to the fold line 12a of the bottom member 12.

[0035] Around the spout 14, flow path forming seal portions 15a and 15b that form both sides of the flow path 15 after opening, a flow path sealing seal portion 15c that seals the flow path before opening, and a pull tab 16 that serves as a handle during opening are formed by joining the body members 11. The front and rear body members 11 are joined together using sealant layers 21 of the laminates 20, 20A, and 20B.

[0036] Flow path forming seal portions 15a and 15b are seal portions that separate both sides of flow path 15 when the tip of spout 14 is removed to open flow path 15. One flow path forming seal portion 15a is disposed between flow path 15 and upper edge 14a, and the other flow path forming seal portion 15b is disposed between flow path 15 and side edge 14b.

[0037] In the width direction of the packaging bag 10, a portion between the side end seal portion 11b on the opposite side to the spout 14 and the flow path forming seal portion 15a is opened as the filling port 13. Contents can be filled into the packaging bag 10 through the filling port 13. After the contents are filled, the front and rear body members 11 can be joined together to close the filling port 13.

[0038] A cutout line 17 is formed around the periphery of the pull tab 16. The cutout line 17 has a planar shape that starts from the upper side 14a toward the flow path 15, extends perpendicular to the upper side 14a, then changes direction near the flow path 15 and extends diagonally upward along the flow path 15, and then changes direction again and extends toward the opening starting end 18a of the spout opening line 18.

[0039] A notch 17a, such as a V-shaped notch, is provided at the position where cutout line 17 begins from upper side 14a of spout 14. It is preferable to provide joints 17b, 17c by uncut portions at one or more locations on cutout line 17. By breaking joints 17b, 17c, pull tab 16 and flow path-forming seal portion 15a are separated.

[0040] Except for joints 17b and 17c, cutout line 17 is formed as a through-scar that penetrates all layers of two body members 11. Therefore, when opening, pull tab 16 can be formed simply by pulling joints 17b and 17c apart. By providing joints 17b and 17c, it is possible to prevent spout opening line 18 from being accidentally torn by pull tab 16 getting caught when the bottle is not in use. By pulling out and pinching pull tab 16 when opening, the tearing force of the hand can be sufficiently transmitted to body member 11 when starting to tear spout 14 along spout opening line 18.

[0041] In the illustrated example, the opening starting end 18a of the spout opening line 18 may be spaced apart from the perforation line 17. The opening starting end 18a may have an opening that opens in a V-shape toward the end of the perforation line 17. In this case, it is preferable that the opening angle of the opening is, for example, about 60 to 120° and the opening width is about 3 to 7 mm. Although not specifically illustrated, the opening starting end 18a may be connected to the perforation line 17.

[0042] The spout opening line 18 is arranged to cross the flow path 15 to make it easier to tear the body member 11. When the body member 11 is torn along the spout opening line 18, the flow path sealing portion is removed and an opening portion is formed so that the flow path 15 opens.

[0043] When the packaging bag 10 has body members 11 on both the front and rear sides, the wall surfaces of the spout 14 that face each other in the thickness direction across the flow path 15 are formed from separate body members 11. The positions, numbers, etc. of the spout opening lines 18 formed on the front body member 11 and the spout opening lines 18 formed on the rear body member 11 may be different, but it is preferable to make the arrangement of the spout opening lines 18 the same so that the front and rear tears overlap.

[0044] The spout opening line 18 can be formed from a half-cut line formed by weakening the body member 11 with a laser, for example. The spout opening line 18 may be formed in at least a portion of the thickness of the paper material 22. If the body member 11 has an intermediate layer 23 or an outer layer 24, the spout opening line 18 may be formed in at least a portion of the thickness of the intermediate layer 23 or outer layer 24. The planar shape of the spout opening line 18 is not particularly limited, and may be straight or curved.

[0045] The spout opening line 18 extends from the opening start end 18a toward the side end 14b of the spout 14. The opening end 18b of the spout opening line 18 may be located on the side end 14b, or may be located on the flow path forming seal portion 15b on the flow path 15 side of the side end 14b.

[0046] The spout opening line 18 may be formed in the body member 11 before the trimming of the side end 14b of the body member 11 is completed. In this case, the spout opening line 18 may be formed up to the outer region to be removed by trimming, and then trimming may be performed to make the opening completion end 18b appear on the side end 14b. The body member 11 before trimming may be a long web that is continuous at least in the width direction of the packaging bag 10. During trimming, a notch may be formed near the flow path forming seal portion 15b.

[0047] In the packaging bag 10 of this embodiment, a fold line 19 is arranged around the spout 14. This makes it easier to form a crease in the body member 11 along the fold line 19. Because the fold line 19 penetrates the paper material 22, the rigidity of the body member 11 along the crease is reduced. This makes it easier to open the spout 14 along the crease.

[0048] When body members 11 are overlapped on both the front and rear sides of the flow path 15, the positions and numbers of fold lines 19 formed on the front body member 11 and the rear body member 11 may be the same or different. Although not particularly shown, it is also possible to form a spout by making one member having fold lines 19 into a tubular shape.

[0049] The number of fold lines 19 formed in the body member 11 is not particularly limited, but may be, for example, about 1 to 10. The total number of folds formed around the flow path 15 is the sum of the number of folds formed from the fold lines 19 of the front body member 11 and the number of folds formed from the fold lines 19 of the rear body member 11.

[0050] In the illustrated example of packaging bag 10, fold line 19a on the base end side of spout 14 and fold line 19b on the tip end side of spout 14 are located approximately in the center of flow path 15 in the width direction. Furthermore, fold line 19c is located above fold line 19a, and fold line 19d is located to the side of fold line 19a. These fold lines 19a, 19b, 19c, and 19d are formed in front and rear body members 11, respectively. When fold lines 19a, 19b, 19c, and 19d are not to be distinguished from one another, they may be simply referred to as fold lines 19.

[0051] It is preferable that the fold line 19 is not connected to the spout opening line 18. In the illustrated example, one end of the central fold lines 19a, 19b is close to the spout opening line 18, but a certain distance is maintained. Because the fold line 19 is not connected to the spout opening line 18, peeling of the paper material 22 can be suppressed. The distance between the fold line 19 and the spout opening line 18 may be, for example, 0.1 mm or more or 0.5 mm or more. For example, when cutting the tip of the spout 14 with scissors, the fold line 19 may intersect with the opening position if the body member 11 is not weakened at the opening position.

[0052] The base-side fold line 19a and the tip-side fold line 19b may be positioned on the same extension line. The upper fold line 19c may be positioned at a position extending from the boundary line between the flow path forming seal portion 15a and the flow path 15. The side fold line 19c may be positioned at a position extending from the boundary line between the flow path forming seal portion 15b and the flow path 15.

[0053] When the body member 11 has a spout opening line 18, the fold line 19 may be formed on one or both sides of the spout opening line 18 at a position where an extension of the fold line 19 intersects with the spout opening line 18. This allows the crease formed along the extension of the fold line 19 to reach the opening portion formed at the spout opening line 18.

[0054] The fold lines 19 are formed on both sides of the spout opening line 18, and a fold line 19b may also be provided on the tip side of the spout opening line 18 of the spout 14. Since the spout opening line 18 passes between the fold line 19a on the base end side and the fold line 19b on the tip end side, the creases formed along these fold lines 19a, 19b can cross the spout opening line 18. This increases the rigidity of the paper material 22. hand In addition, a firm crease can be imparted from the base end side of the flow path 15 to above the opening line 18 of the spout.

[0055] By forming a crease in spout 14 along crease line 19, it becomes easier to maintain the cross-sectional shape of flow path 15 during pouring. The crease may be formed before opening spout 14. For example, after filling port 13 is closed, packaging bag 10 may be inverted to allow the contents to flow into flow path 15 toward flow path sealing portion 15c. In this way, a crease can be formed in spout 14 without pouring out the contents in packaging bag 10 before it is provided to the user.

[0056] There is no particular limitation on the method for forming a crease in spout 14, but it is also possible to apply force from the outer surface of body member 11 to form a crease along crease line 19. The crease may also be formed before the user opens spout 14. Because paper material 22 has high rigidity, if a crease is formed in advance, the crease can be maintained for a long period of time, and it is also possible to prevent the user from forgetting to fold it.

[0057] The folds of the creases 19 may be mountain folds or valley folds. For example, the creases 19a and 19b located approximately in the center of the flow path 15 may be mountain folds in which the creases 19a and 19b protrude beyond the positions on either side of the creases 19a and 19b. The creases 19c and 19d near the flow path forming seal portions 15a and 15b may be valley folds in which the inside of the flow path 15 protrudes beyond the outside of the flow path 15.

[0058] As shown in Figures 5(a) to 5(b), the curved spout opening line 18 may have a curved portion 18c that curves convexly toward the base end side of the spout 14. The curved portion 18c may be located below the fold line 19 (the flow path forming seal portion 15b side) as shown in Figure 5(a), or may be located above the fold line 19 (the flow path forming seal portion 15a side) as shown in Figure 5(b).

[0059] According to the laminates 20, 20A, 20B having the fold line 19 of the embodiment and the packaging bag 10 using this for at least one component, even if the laminates 20, 20A, 20B have paper material 22, folds can be more reliably formed along the fold line 19.

[0060] The dimensions of the packaging bag 10 are not particularly limited, but the preferred ranges for a refill container are a height of the packaging bag 10 of about 100 to 500 mm, a width (maximum width between both ends) of the packaging bag 10 of about 70 to 300 mm, and a filling volume of the contents of 50 to 5000 cm 3 The contents are not particularly limited, but may include liquids, solids such as powders and granules, viscous bodies, liquids, and mixtures thereof.

[0061] In the packaging bag 10 of the embodiment, as with conventional packaging bags, it is possible to form ribs on the body member 11, to join a plate-shaped shape-retaining member to the outer surface of the spout 14, and to place an opening member such as a tube inside the flow path 15. In the case of the packaging bag 10 of the embodiment, a fold with excellent shape retention is imparted to the spout 14 using fold line 19 that penetrates the paper material 22, so that ribs, shape-retaining members, opening members, etc. can be omitted.

[0062] The laminates 20, 20A, and 20B of the embodiments can be used to produce various types of packaging. At least one component of the packaging may be formed from the laminates 20, 20A, and 20B. The packaging is not limited to packaging bags such as pouches and bags, but can also be applied to packs, tubes, containers, sleeve packaging, strip packaging, lids, and the like. Specific examples of packaging bags include three-sided sealed bags, four-sided sealed bags, pillow bags, gusset bags, and standing pouches.

[0063] When the laminate is a flexible laminate film, a flexible packaging body can be formed. Because it is easy to refill and dispose of, it can be suitably used for refill packaging such as refill pouches. The packaging body may have a filling port, a pouring port, etc. The fold lines 19 of the laminates 20, 20A, 20B may be used to maintain the shape of the filling port and the pouring port. The fold lines 19 may be used to make the packaging body stand upright.

[0064] The packaging may be formed only from the laminates 20, 20A, 20B of the embodiments, or may be combined with accessories such as labels, tags, straws, outer boxes, etc. From the viewpoint of recycling, it is preferable that the accessories can be separated from the packaging.

[0065] While the present invention has been described above based on preferred embodiments, the present invention is not limited to the above-described embodiments and various modifications are possible without departing from the spirit of the present invention. Modifications include addition, substitution, omission, and other changes to components in each embodiment. [Explanation of symbols]

[0066] 10...packaging bag, 11...body member, 11a, 11b...side edge seal portion, 12...bottom member, 12a...fold line, 12b...bottom seal portion, 13...filling port, 14...pouring outlet, 14a...top edge, 14b...side edge, 15...flow path, 15a, 15b...flow path forming seal portion, 15c...flow path sealing seal portion, 16...pull tab, 17...cutout line, 17a...notch, 17b, 17c...joint, 18...pouring outlet opening line, 18a...opening starting end, 18b...opening ending end, 18c...curved portion, 19, 19a, 19b, 19c, 19d...fold line, 20, 20A, 20B...laminated body, 21...sealant layer, 22...paper material, 23...middle layer, 24...outer layer

Claims

1. A laminate having at least a paper material and a sealant layer, A spout opening line is provided at the opening position of the spout formed from the laminate, and a fold line is provided by partially cutting the laminate so as to penetrate at least the paper material, The fold lines formed by partially cutting the laminate so as to penetrate at least the paper material include a fold line on the base end side of the spout and a fold line on the tip end side of the spout, The fold line on the base end side and the fold line on the tip end side are not broken lines but are continuous lines, and are arranged on the same extension line; A laminate characterized in that the spout opening line passes between the fold line on the base end side and the fold line on the tip end side, and the fold line is not connected to the spout opening line.

2. A packaging bag, comprising at least one member made of the laminate according to claim 1.

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