JP6854157B2 - Intermediate material for soft packaging material container, manufacturing method of soft packaging material container and manufacturing method of soft packaging material container package - Google Patents

Description

The present invention relates to an intermediate material for a soft packaging material container, a method for manufacturing a soft packaging material container, and a method for manufacturing a soft packaging material container package.

The flexible packaging material container is widely used as a container for containing various detergents, beverages, foods, and other contents. Generally, the flexible packaging material container is formed by using a flexible synthetic resin sheet. In such a flexible packaging material container, it is not easy to maintain a constant outer shape in a state of being a flexible packaging material container package containing the contents.

Patent Document 1 discloses a flexible packaging material container having a structure suitable for maintaining a constant outer shape. The flexible packaging material container disclosed in the same document has a filler encapsulation portion. The filler encapsulation portion is composed of a non-bonded region provided between the laminated sheets, and by encapsulating a filler such as air or water other than the contents, the rigidity of the flexible packaging material container is increased. It serves to improve. By having the filler sealing portion, the outer shape of the flexible packaging material container is surely maintained by a constant shape.

However, since it is necessary to surely prevent the filler from being mixed in the contents, the filler encapsulating portion is required to be isolated from the accommodating portion for accommodating the contents. Therefore, in the same document, as shown in FIGS. 23 and 24, an opening (reference numeral 117) is provided in the filler encapsulation portion. Since such an opening is made of a flexible sheet having flexibility, there is a problem that it is difficult to enclose the filler.

Special Table 2015-520707

The present invention has been conceived under the above circumstances, and is an intermediate material for a soft packaging material container and a soft packaging material container capable of more easily filling a filler encapsulating portion with a filler. An object of the present invention is to provide a manufacturing method and a manufacturing method of a flexible packaging material container / packaging body.

The intermediate material for a flexible packaging material container provided by the first aspect of the present invention is provided on a first sheet, a second sheet located inside the first sheet, and inside the second sheet. The accommodating portion, the main seal portion to which a plurality of locations including the first sheet are joined, the sub-seal portion to which a part of the first sheet and the second sheet are joined, the first sheet and the first sheet. A soft material provided with a filler encapsulating portion for encapsulating a filler composed of a non-bonded region of two sheets, and a spout that is passed through the accommodating portion and the outside and sandwiched between a part of the second sheet. An intermediate material for a packaging material container, characterized in that the filler encapsulating portion is connected to the outside through a spout through hole formed in the spout and a second sheet through hole formed in the second sheet. There is.

In a preferred embodiment of the present invention, a third sheet located inside the second sheet is further provided, the accommodating portion is formed by the third sheet, and the filler encapsulating portion is formed. It communicates to the outside through the spout through hole, the second sheet through hole, and the third sheet through hole formed in the third sheet.

In a preferred embodiment of the present invention, the accommodating portion is formed by the second sheet.

In a preferred embodiment of the present invention, the first sheet and the second sheet are provided with a bottom portion folded on the side opposite to the spout and a pair of body portions arranged so as to sandwich the bottom portion. The filler encapsulating portion includes a pair of body filling material encapsulation portions formed in the body portion, respectively, and the pair of body filling material encapsulating portions communicate with each other through the bottom portion. There is.

The method for producing a flexible packaging material container provided by the second aspect of the present invention is by injecting a filler from the spout of the intermediate material for the flexible packaging material container provided by the first aspect of the present invention. By joining the filler encapsulation step of encapsulating the filler in the filler encapsulation portion through the spout through hole and the second sheet through hole and a plurality of locations including the first sheet, the spout through hole and the said It is characterized by comprising a sealing step of forming a sealing seal portion for sealing the second sheet through hole.

In a preferred embodiment of the present invention, in the filler encapsulation step, the accommodating portion is filled with the filler to check for leaks in the accommodating portion.

The method for producing a flexible packaging material container provided by the third aspect of the present invention is, after the method for producing a flexible packaging material container provided by the second aspect of the present invention, from the spout to the accommodating portion. It is characterized by comprising a content filling step of filling the contents.

According to the present invention, the filler encapsulating portion is connected to the outside through the second sheet through hole and the spout through hole. When the filler is blown from the spout, the filler can be filled into the filler encapsulation portion through the spout through hole and the second sheet through hole. Therefore, for example, the filler is more easily filled in the filler encapsulation portion than in the case where the filler is filled from the filling port provided in the body portion composed of the first sheet and the second sheet. be able to.

Other features and advantages of the present invention will become more apparent with the detailed description given below with reference to the accompanying drawings.

It is a perspective view which shows the manufacturing method of the intermediate material for a flexible packaging material container based on 1st Embodiment of this invention. It is a main part perspective view which shows the manufacturing method of the intermediate material for a flexible packaging material container based on 1st Embodiment of this invention. It is sectional drawing of the main part along the line III-III of FIG. It is a main part perspective view which shows the manufacturing method of the intermediate material for a flexible packaging material container based on 1st Embodiment of this invention. It is sectional drawing which follows the VV line of FIG. It is a perspective view which shows the intermediate material for a flexible packaging material container based on 1st Embodiment of this invention. FIG. 6 is a cross-sectional view taken along the line VII-VII of FIG. It is a perspective view which shows the manufacturing method of the flexible packaging material container based on 1st Embodiment of this invention. It is sectional drawing which follows the IX-IX line of FIG. It is a perspective view which shows the flexible packaging material container based on 1st Embodiment of this invention. It is sectional drawing which follows the XI-XI line of FIG. It is sectional drawing which shows the manufacturing method of the flexible packaging material container package based on 1st Embodiment of this invention. It is a perspective view which shows the flexible packaging material container package based on 1st Embodiment of this invention. It is sectional drawing which follows the XIV-XIV line of FIG. It is sectional drawing which shows the modification of the manufacturing method of the intermediate material for a flexible packaging material container based on 1st Embodiment of this invention. It is sectional drawing which shows the modification of the manufacturing method of the flexible packaging material container based on 1st Embodiment of this invention. It is a main part perspective view which shows the modification of the manufacturing method of the intermediate material for a flexible packaging material container based on 1st Embodiment of this invention. It is a perspective view which shows the modification of the intermediate material for a flexible packaging material container based on 1st Embodiment of this invention. It is a perspective view which shows the modification of the flexible packaging material container package based on 1st Embodiment of this invention. It is a main part perspective view which shows the manufacturing method of the intermediate material for a flexible packaging material container based on 2nd Embodiment of this invention. It is sectional drawing which follows the XXI-XXI line of FIG. It is sectional drawing which shows the intermediate material for a flexible packaging material container based on 2nd Embodiment of this invention. It is sectional drawing which shows the manufacturing method of the flexible packaging material container based on 2nd Embodiment of this invention. It is sectional drawing which shows the flexible packaging material container package based on 2nd Embodiment of this invention. It is a perspective view which shows the manufacturing method of the intermediate material for a flexible packaging material container based on 3rd Embodiment of this invention. It is a perspective view which shows the flexible packaging material container package based on the 3rd Embodiment of this invention.

Hereinafter, preferred embodiments of the present invention will be specifically described with reference to the drawings.

[First Embodiment]
1 to 5 show a method for producing an intermediate material for a flexible packaging material container based on the first embodiment of the present invention. The method for producing the intermediate material for the flexible packaging material container of the present embodiment is a method for producing the intermediate material A1 for the flexible packaging material container shown in FIGS. 6 and 7. The intermediate material A1 for the soft packaging material container is used for manufacturing the soft packaging material container B1 and the soft packaging material container package C1 described later.

As shown in FIG. 1, in the manufacturing method of the present embodiment, the first raw fabric sheet 110, the second raw fabric sheet 120, and the third raw fabric sheet 130 are used. The first raw fabric sheet 110, the second raw fabric sheet 120, and the third raw fabric sheet 130 are a plurality of first sheet 11, second sheet 12 for manufacturing an intermediate material A1 for a plurality of flexible packaging material containers. And a raw sheet that can form the third sheet 13. However, the method for producing the intermediate material A1 for the flexible packaging material container is not limited to the method using these raw fabric sheets, and for example, the first sheet 11 and the second sheet for producing one intermediate material A1 for the flexible packaging material container. A method using the sheet 12 and the third sheet 13 may be used.

[First polymerization step]
First, as shown in FIG. 1, the first polymerization step is performed. The first polymerization step is a step of superimposing the first raw fabric sheet 110 and the second raw fabric sheet 120. The first raw fabric sheet 110 is a sheet made of synthetic resin having a size sufficiently larger than that of the first sheet 11 described later, and in the illustrated example, a strip-shaped raw fabric sheet is used. The second raw fabric sheet 120 is a sheet made of synthetic resin having a size sufficiently larger than that of the second sheet 12 described later, and in the illustrated example, a strip-shaped raw fabric sheet is used.

Here, the first raw fabric sheet 110 and the second raw fabric sheet 120 are specific materials and layers as long as they can form the intermediate material A1 for the flexible packaging material container through the steps described later. The configuration is not particularly limited. The first raw fabric sheet 110 and the second raw fabric sheet 120 may be any as long as they appropriately accommodate the contents and fillers described later in a sealed state and have appropriate strength and flexibility. Further, the first raw fabric sheet 110 and the second raw fabric sheet 120 may be formed of a material or the like that can be subjected to a joining method selected for forming the intermediate material A1 for the flexible packaging material container.

In the present embodiment, the first raw fabric sheet 110 has an outer surface 111 and an inner surface 112, and the second raw fabric sheet 120 has an outer surface 121 and an inner surface 122. The first raw fabric sheet 110 and the second raw fabric sheet 120 are overlapped so that the inner surface 112 and the outer surface 121 face each other. In the subsequent joining step, for example, when heat sealing is used, both the inner surface 112 of the first raw sheet 110 and the outer surface 121 of the second raw sheet 120 are sealant films having a heat sealing property capable of heat sealing. It is composed of layers.

Further, since the outer surface 111 of the first raw sheet 110 is the outermost surface of the intermediate material A1 for the flexible packaging material container, the base film layer having appropriate strength, abrasion resistance, heat resistance, etc. is used. It is preferably configured. The inner surface 122 of the second raw fabric sheet 120 is not particularly limited in whether or not it has heat sealability, and whether or not it has appropriate strength, abrasion resistance, and heat resistance, but the joint with the third raw fabric sheet 130, which will be described later, is heat-sealed. It is preferable that the sealant film layer is formed in the same manner as the outer surface 121.

From the above, in the illustrated example, the inner surface 112 of the first raw fabric sheet 110, the outer surface 121 and the inner surface 122 of the second raw fabric sheet 120 are composed of the same type of sealant film layer, and the first raw fabric sheet 110 The outer surface 111 is composed of a base film layer. When the first raw fabric sheet 110 and the second raw fabric sheet 120 are required to have high gas barrier properties and light-shielding properties, the first raw fabric sheet 110 and the second raw fabric sheet 120 are barriers as an intermediate layer. It is preferable to have a film layer.

Here, the constituent materials of the base film layer, the sealant film layer and the barrier film layer will be illustrated. Lamination of each of these layers can be performed by a conventional laminating method, for example, coextrusion lamination, dry lamination with an adhesive, thermal lamination in which a heat-adhesive layer is sandwiched and heat-bonded.

Examples of the film constituting the base film layer include polyester (polyethylene terephthalate (PET), polyethylene terephthalate (PEN), polybutylene terephthalate (PBT), polycarbonate (PC), etc.), polyolefin (polyethylene (PE), polypropylene). (PP), etc.), Polyethylene (Nylon-6, Nylon-66, etc.), Polyacrylic nitrile (PAN), Polyethylene (PI), Polyvinyl chloride (PVC), Polyvinylidene chloride (PVDC), Polymethyl methacrylate (PMMA), Examples thereof include a one-layer or two-layer or more stretched or unstretched film composed of polyether sulfone (PES) or the like. When the number of films constituting the base film layer is two or more, each layer may be the same type of resin or a different type of resin.

The films constituting the sealant film layer include low density polyethylene (LDPE), linear low density polyethylene (LLDPE), ethylene-propylene copolymer (EP), unstretched polypropylene (CPP), and biaxially stretched nylon (ON). ), Ethylene-olefin copolymer, ethylene-acrylic acid copolymer (EAA), ethylene-methacrylic acid copolymer (EMAA), ethylene-vinyl acetate copolymer (EVA), etc. The above stretched or unstretched film can be exemplified. When the number of films constituting the sealant film layer is two or more, each layer may be the same type of resin or a different type of resin.

The barrier film layer may be a metal thin film such as aluminum, a resin film such as vinylidene chloride (PVDC) or ethylene-vinyl alcohol copolymer (EVOH), or an arbitrary synthetic resin film (for example, a base film layer). A film obtained by vapor-depositing (or sputtering) an inorganic oxide such as aluminum, aluminum oxide or silica can be exemplified.

On the first raw material sheet 110 and the second raw material sheet 120, a printing layer for displaying the product name of the contents, the product description such as raw materials and precautions for use, and other various designs (not shown). Can be provided. For example, the printing layer can be formed on the inner surface of the base film layer by a known method such as gravure printing. The configurations of the first raw fabric sheet 110 and the second raw fabric sheet 120 described above are inherited by the body portion 21 and the bottom portion 22 which will be described later.

[Encapsulation part forming process]
Next, as shown in FIGS. 1 to 3, an encapsulation portion forming step is performed. The encapsulation portion forming step is a step of forming the filler encapsulation portion 50 in the first raw fabric sheet 110 and the second raw fabric sheet 120. The filler sealing portion 50 is a portion where the filler 59, which will be described later, is sealed in a sealed state. The filler encapsulation portion 50 is formed by partially joining the inner surface 112 of the first raw fabric sheet 110 and the outer surface 121 of the second raw fabric sheet 120 to leave a non-bonded region. The filler encapsulation portion 50 is formed by the non-bonding region between the first raw fabric sheet 110 and the second raw fabric sheet 120. The joining method between the first raw sheet 110 and the second raw sheet 120 is not particularly limited, and examples thereof include heat seal joining, bonding with an adhesive, and crimping. Of these, a heat-sealing bond that can prevent the manufacturing process from becoming complicated is preferable, and in the present embodiment, the heat-sealing bonding is performed. The heat seal bonding is not limited to heat welding by a heated heat seal mold (the shape of the mold can be a commonly known mold such as a rod shape, a plate shape, a roll shape, etc.). , Ultrasonic seal, high frequency seal, etc., means all heat welding in which the joint can be welded by heat. Further, in the heat welding by the heat seal mold, a release agent or the like that inhibits heat welding is provided on either or both of the first raw sheet 110 and the second raw sheet 120 by printing or the like, and then the heat welding is performed. It may be carried out by heating the entire surface with a heat-sealing mold, or may be carried out using a heat-sealing mold obtained by processing and forming a predetermined heat-welding shape.

In an example of the encapsulation portion forming step, in the first step, the first raw fabric sheet 110 and the second raw fabric sheet 120 are sandwiched by a heat seal mold (not shown). In the heat seal mold, the first raw fabric sheet 110 and the second raw fabric sheet 120 can be appropriately heat-sealed to the inner surface 112 of the first raw fabric sheet 110 and the outer surface 121 of the second raw fabric sheet 120. Is to heat. A non-heated region is set in this heat seal mold, and the shape of this non-heated region is the shape of the filler encapsulation portion 50. The portions of the first raw fabric sheet 110 and the second raw fabric sheet 120 that are heat-sealed to each other by heating the heat-sealing mold form a sub-seal portion 40. Next, the first raw fabric sheet 110 and the second raw fabric sheet 120 are cooled by a cooling die (not shown). As a result, the sub-seal portion 40, which is a portion where the first raw fabric sheet 110 and the second raw fabric sheet 120 are partially heat-sealed, is formed. Further, the filler encapsulation portion 50 is formed by the non-bonded regions of the first raw fabric sheet 110 and the second raw fabric sheet 120 surrounded by the secondary seal portion 40 in a plan view.

In the example shown in FIGS. 2 and 3, the sub-seal portion 40 has a pair of body portion sub-seal portions 41, a bottom side sub-seal portion 42, and a pair of top-side sub-seal portions 43. The body portion sub-seal portions 41 are provided apart from each other in the width direction of the first raw fabric sheet 110, and their shapes and the like are not particularly limited. In the illustrated example, four portions are parallel to each other. Includes a narrow strip of area. The bottom side sub-seal portion 42 is provided between the pair of body portion sub-seal portions 41, and connects the pair of body portion sub-seal portions 41. The pair of top side sub-seal portions 43 are connected to the pair of body portion sub-seal portions 41 on the side opposite to the bottom side sub-seal portion 42. The top side sub-seal portion 43 in the lower part of the figure has a band shape connecting the lower ends of the band-shaped regions on both sides of the body portion sub-seal portion 41 in the lower part of the figure. The top side sub-seal portion 43 in the upper part of the drawing includes two strip-shaped regions extending from the upper ends of the strip-shaped regions on both sides of the body portion sub-seal portion 41 in the upper part of the figure. The ends of these strips are separated from each other.

The shape of each part of the sub-seal portion 40 is not particularly limited as long as it can form the filler encapsulation portion 50 having an intended shape.

The filler encapsulation portion 50 is a portion where a gap may be formed between the first raw fabric sheet 110 and the second raw fabric sheet 120, and is surrounded by the sub-seal portion 40. In the illustrated example, the filler encapsulation portion 50 has a pair of body filler encapsulation portions 51 and a bottom filler encapsulation portion 52. The body filling material sealing portion 51 is a portion partitioned by the body sub-seal portion 41 and the top side sub-seal portion 43. The bottom filler encapsulating portion 52 is a portion partitioned by the bottom side sub-seal portion 42, and connects a pair of body filling material encapsulating portions 51. That is, the pair of the body filling material encapsulation portion 51 and the bottom filler encapsulating portion 52 are one filler encapsulating portion 50 in which a part thereof is continuously connected. Further, the body filling material sealing portion 51 in the upper part of the drawing is connected to the outside through the gap of the top side sub-seal portion 43 in the upper part of the drawing. In FIG. 3, for convenience of understanding, the first raw fabric sheet 110 and the second raw fabric sheet 120 are shown in a clearly separated manner in the filler encapsulating portion 50, but in the filler encapsulating portion 50, The first raw fabric sheet 110 and the second raw fabric sheet 120 may be in contact with each other.

[Second polymerization step]
Next, as shown in FIG. 1, a second polymerization step is performed. The second polymerization step is a step of superimposing the third raw fabric sheet 130 on the second raw fabric sheet 120 side. The third raw fabric sheet 130 is a raw fabric sheet that becomes the third sheet 13 that constitutes the accommodating portion 60 for accommodating the contents 69 described later in the intermediate material A1 for the flexible packaging material container formed by the present embodiment. is there. The material and layer structure of the third raw sheet 130 can appropriately accommodate the contents 69, and is suitable for a joining method for forming an intermediate material A1 for a flexible packaging material container having an accommodating portion 60. Those are preferable. In the present embodiment, since heat seal bonding is adopted as the bonding method, the outer surface 131 and the inner surface 132 of the third raw sheet 130 are composed of the above-mentioned sealant film layer. When it is preferable to impart a predetermined barrier property to the third raw sheet 130, the above-mentioned barrier film layer is provided between the sealant film layer constituting the outer surface 131 and the sealant film layer forming the inner surface 132. Is preferable. Further, the third raw material sheet 130 is also the same as the first raw material sheet 110 and the second raw material sheet 120 described above, and has a product description such as a product name of the contents, raw materials, precautions for use, and other various designs. A print layer (not shown) for displaying the above can be provided. In addition, unlike this embodiment, the intermediate material for a flexible packaging material container may be manufactured by using the first raw fabric sheet 110 and the second raw fabric sheet 120 without using the third raw fabric sheet 130. In this case, the accommodating portion 60 described later is composed of, for example, the second sheet 12.

In addition, in a state where the third raw fabric sheet 130 is overlapped on the second raw fabric sheet 120 side, a plurality of locations of the second raw fabric sheet 120 and the third raw fabric sheet 130 may be joined to each other. This joint portion prevents misalignment of the third raw fabric sheet 130, and its position, number, shape, size, etc. are particularly important as long as it does not interfere with the production of the intermediate material for the flexible packaging material container. Not limited. Such a joint is formed, for example, by heat-sealing the inner surface 122 of the second raw sheet 120 and the outer surface 131 of the third raw sheet 130. As another joining method for forming the joint portion, for example, adhesion with an adhesive, crimping, or the like can be mentioned.

[Folding process]
Then, as shown in FIG. 4, a folding step is performed. In the folding step, the first raw fabric sheet 110, the second raw fabric sheet 12, and the third raw fabric sheet 130 are overlapped so that the first raw fabric sheet 110 is on the outside and the inner surfaces 132 of the third raw fabric sheet 130 face each other. It is a process of folding. Further, in the folding step of the present embodiment, the filler encapsulating portion 50 is folded so as to exist on both side predetermined surfaces via a folding position described later in a state where the inside thereof is communicated. In the illustrated example, in FIG. 1, at a substantially central portion in the vertical direction in FIG. 1, the first raw fabric sheet 110, the second raw fabric sheet 120, and the third raw fabric sheet 130 are folded in half, so that FIG. 4 shows. The first raw fabric sheet 110, the second raw fabric sheet 120, and the third raw fabric sheet 130 in the folded state are obtained.

Further, in the folding step, the spout 70 is inserted between the portions of the third raw fabric sheets 130 that face each other due to being folded. The spout 70 is a portion of the intermediate material A1 for the flexible packaging material container that serves as an opening for ingesting the content 69, and may also be used as a filling port for filling the content 69. As shown in FIGS. 4 and 5, the spout 70 has an outer cylinder portion 71, a flange portion 72, and an inner cylinder portion 73. The outer cylinder portion 71 is a tubular portion arranged outside the intermediate material A1 for a flexible packaging material container, and for example, a male screw for attaching a cap 74 described later is formed. The flange portion 72 is located at the lower end of the outer cylinder portion 71, and serves as a boundary between the outer cylinder portion 71 and the flange portion 72. The inner cylinder portion 73 is a tubular portion arranged inside in the intermediate material A1 for a flexible packaging material container, and for example, the inner surface 132 of the third raw fabric sheet 130 is joined in a step described later. Further, in the present embodiment, the spout through hole 75 is formed in the spout 70. The spout through hole 75 penetrates the inner cylinder portion 73 and allows the inside and the outside of the inner cylinder portion 73 to pass through.

[Auxiliary joining process]
Next, as shown in FIGS. 4 and 5, an auxiliary joining step is performed. In the auxiliary joining step of the present embodiment, the region of the second raw fabric sheet 120 and the third raw fabric sheet 130 that covers the spout through hole 75 of the spout 70 is joined to the inner cylinder portion 73 of the spout 70 by, for example, heat sealing. To do. In the illustrated example, the circular region covering the spout through hole 75 of the second raw sheet 120 and the third raw sheet 130 is joined to the inner cylinder portion 73 of the spout 70 by a heat seal to form an auxiliary seal. Part 49 is formed. By the auxiliary joining step, the spout through hole 75 of the spout 70 is closed by the second raw fabric sheet 120 and the third raw fabric sheet 130.

[Through hole forming process]
Next, as shown in FIGS. 4 and 5, a through hole forming step is performed. The through hole forming step is a step of forming the second sheet through hole 128 and the third sheet through hole 138 in the second raw sheet 120 and the third raw sheet 130. The second sheet through hole 128 and the third sheet through hole 138 are through holes provided in the second raw sheet 120 and the third raw sheet 130, respectively, and are located at positions overlapping with the spout through hole 75 of the spout 70. It is provided. As a result, the inside of the inner cylinder portion 73 of the spout 70 is in a state of being communicated to the outside through the spout through hole 75, the third sheet through hole 138, and the second sheet through hole 128. The method for forming the second sheet through hole 128 and the third sheet through hole 138 is not particularly limited, and various conventionally known methods such as laser processing and puncture processing can be appropriately adopted. In the illustrated example, laser machining is performed in which the second sheet through hole 128 and the third sheet through hole 138 are formed in the second raw sheet 120 and the third raw sheet 130 by the laser light L emitted from the laser head 85. It has been adopted. Further, unlike the present embodiment, the second sheet through hole 128 and the third sheet through hole 138 are formed in advance in the second raw sheet 120 and the third raw sheet 130 prior to the above-mentioned folding step. You may.

[Accommodation part forming process]
Next, as shown in FIGS. 6 and 7, the accommodating portion forming step is performed. The accommodating portion forming step is a step of forming the main seal portion 30 on the first raw fabric sheet 110, the second raw fabric sheet 120, and the third raw fabric sheet 130. The joining method used for forming the main seal portion 30 is not particularly limited, but heat seal joining is preferable because a desired portion can be reliably joined. In the present embodiment, the heat-sealed mold is used to heat the hatched region consisting of lines extending from diagonally upper left to lower right in FIG. 6, and then cool the region. Other joining methods for forming the main seal portion 30 include, for example, bonding with an adhesive, crimping, and the like. In addition, unlike the present embodiment, in the case where the third raw fabric sheet 130 is not used, the main seal portion 30 is formed by, for example, joining the second raw fabric sheets 120 to each other.

In the accommodating portion forming step, the inner surface 112 of the first raw fabric sheet 110 and the outer surface 121 of the second raw fabric sheet 120, the inner surface 122 of the second raw fabric sheet 120 and the outer surface 131 of the third raw fabric sheet 130, and the first 3 The inner surfaces 132 of the original sheet 130 are joined to each other. Further, the inner surface 132 of the third original sheet 130 and the inner cylinder portion 73 of the spout 70 are joined. As a result, a main seal portion 30 having a pair of side main seal portions 31, a bottom side main seal portion 32, and a top side main seal portion 33 can be obtained. The side main seal portion 31 is formed so as to partially overlap with the body portion sub-seal portion 41 of the sub-seal portion 40. The bottom side main seal portion 32 defines the lower end portions of the pair of side main seal portions 31 as the bottom side main seal portion 32 for convenience. The top side main seal portion 33 includes both side portions in which the first raw fabric sheet 110, the second raw fabric sheet 120 and the third raw fabric sheet 130 are laminated and joined, and the first raw fabric sheet 110 and the second raw fabric sheet 110. It has a sheet 120, a third raw sheet 130, and a central portion to which the inner cylinder portion 73 of the spout 70 is joined. However, the top side main seal portion 33 is provided in a region avoiding at least the second sheet through hole 128 and the third sheet through hole 138, and is allowed to partially overlap with the auxiliary seal portion 49. In the illustrated state, the first raw fabric sheet 110, the second raw fabric sheet 120, and the third raw fabric sheet 130 are cut into a predetermined shape by the cutting step after forming the main seal portion 30. It shows a completed state of the intermediate material A1 for a flexible packaging material container having the first sheet 11, the second sheet 12, and the third sheet 13. Due to the formation of the main seal portion 30, the space defined by the inner surface 132 of the third sheet 13 becomes the accommodating portion 60. The accommodating portion 60 is communicated to the outside through the outer cylinder portion 71 and the inner cylinder portion 73 of the spout 70.

[Intermediate material for flexible packaging material container A1]
As shown in FIGS. 6 and 7, the intermediate material A1 for a flexible packaging material container formed by the manufacturing method of the present embodiment is formed by the first sheet 11, the second sheet 12, the third sheet 13, and the spout 70. It has a pair of body portion 21, bottom portion 22, main seal portion 30, sub-seal portion 40, filler encapsulation portion 50, and accommodating portion 60.

The pair of body portions 21 are portions located in the front and rear so as to sandwich the accommodating portion 60, and each has a body portion filler encapsulation portion 51 of the filler encapsulation portion 50. Further, both sides of the pair of body portions 21 are connected to each other by the side main seal portions 31 of the main seal portion 30.

The bottom portion 22 is a portion that connects the bottom portions of the pair of body portions 21, and is a portion that is folded in half in the present embodiment. The bottom portion 22 has a bottom filler encapsulation portion 52 of the filler encapsulation portion 50. Further, both sides of the bottom portion 22 are closed by the bottom side main seal portion 32 of the main seal portion 30.

The spout 70 is arranged between the upper end portions of the pair of body portions 21, and is joined to the inner surface 132 of the third raw fabric sheet 130 by forming the top side main seal portion 33. As described above, the spout 70 has an outer cylinder portion 71, a flange portion 72, and an inner cylinder portion 73, and a spout through hole 75 is formed. The second sheet through hole 128 and the third sheet through hole 138 described above are formed in the portion of the body portion 21 that covers the spout through hole 75.

The filler encapsulating portion 50 in the illustrated state is not yet filled with the filler 59 and is deflated into a flat shape. As is well shown in FIG. 7, in the present embodiment, one body filling material sealing portion 51 of the filler sealing portion 50 has a second sheet through hole 128, a third sheet through hole 138, and a spout through hole. It leads to the internal space of the inner cylinder portion 73 via the 75. The internal space of the inner cylinder portion 73 leads to the outside through the internal space of the outer cylinder portion 71. Further, the internal spaces of the outer cylinder portion 71 and the inner cylinder portion 73 are connected to the accommodating portion 60. Therefore, in the present embodiment, the filler sealing portion 50 communicates with the accommodating portion 60 through the internal spaces of the second sheet through hole 128, the third sheet through hole 138, the spout through hole 75, and the inner cylinder portion 73. ing.

The accommodating portion 60 is a space for accommodating the contents 69, and is composed of a third sheet 13. In addition, unlike the present embodiment, in the case of the configuration not including the third sheet 13, the accommodating portion 60 is configured by the second sheet 12.

[Manufacturing method of flexible packaging material container B1]
8 and 9 show an example of a method for manufacturing a soft packaging material container B1 using an intermediate material A1 for a soft packaging material container. In the illustrated manufacturing method, the step of filling the filler sealing portion 50 with the filler 59 also serves as a leak check step of the accommodating portion 60. The leak check of the accommodating portion 60 is an unintended leak in the accommodating portion 60 that accommodates the contents 69 in an airtight state in the flexible packaging material container package C1 to be described later formed by using the intermediate material A1 for the flexible packaging material container. This is the process of confirming whether or not

In the illustrated example, the filler nozzle 86 is loaded in the outer cylinder portion 71 of the spout 70. The filler nozzle 86 is connected to a source of the filler 59 (not shown). As the filler 59, a fluid selected from a gas such as nitrogen and air, water, an aqueous solution, and an oil agent can be preferably used. However, in the method for manufacturing the flexible packaging material container / packaging body C1 described later, it is required to avoid unreasonable mixing with the content 69 to be filled in the accommodating portion 60, and from the viewpoint of ease of filling and weight reduction. As the filler 59, a gas such as nitrogen or air is more preferable.

When air is used as the filler 59, for example, the filler 59 may be filled by blowing air from the filler nozzle 86 into the outer cylinder portion 71 of the spout 70. The filler 59, which is the air blown into the outer cylinder portion 71, is filled in the accommodating portion 60 through the outer cylinder portion 71 and the inner cylinder portion 73. Further, the filler 59 branches from the outer cylinder portion 71 and the inner cylinder portion 73 to the spout through hole 75, and is filled into the filler encapsulation portion 50 through the third sheet through hole 138 and the second sheet through hole 128. .. That is, in the method for manufacturing the soft packaging material container B1 using the intermediate material A1 for the soft packaging material container, the filler 59 blown into the spout 70 is simultaneously filled in both the filler encapsulating portion 50 and the accommodating portion 60. .. In FIG. 9, for convenience of understanding, the filler 59 is hatched with a plurality of discrete points.

When the filling of the filler 59 is completed, it is confirmed from the accommodating portion 60 whether or not air leaking from the filler 59 is present. This is the leak check process. If there is no leakage of the filler 59, it can be determined that the intermediate material A1 for the flexible packaging material container is appropriately manufactured. On the other hand, the intermediate material A1 for a flexible packaging material container in which leakage of the filler 59 is confirmed is treated as, for example, a defective product.

Next, as shown in FIGS. 10 and 11, the sealing seal portion 39 is formed. The sealing seal portion 39 is formed by, for example, heat sealing. That is, the portion of the first sheet 11 that covers the spout through hole 75, that is, the substantially rectangular portion that overlaps with the auxiliary seal portion 49 in the illustrated example, is heated by the heat seal mold 81. As a result, as is often shown in FIG. 11, the first sheet 11 closes the second sheet through hole 128, the third sheet through hole 138, and the spout through hole 75. Further, the inner surface 112 of the first sheet 11 constituting the auxiliary seal portion 49 is joined to the outer surface 121 of the second sheet 12. As a result, the path of the filler encapsulating portion 50 leading to the outside and the accommodating portion 60 via the spout 70 is blocked, and the filler encapsulating portion 50 is sealed with the filler 59 filled. In FIGS. 10 and 11, after the filler 59 is blown by the filler nozzle 86, a leak check step is performed with the filler nozzle 86 loaded in the spout 70, and subsequently, the sealing seal portion is performed. An example of forming 39 is described. In this case, the filler nozzle 86 maintains the airtightness of the filler sealing portion 50 and the accommodating portion 60 in the leak check step after blowing the filler 59 and the step of forming the sealing seal portion 39. In addition to the filler nozzle 86, for example, a stopper (not shown) for sealing the spout 70 may be attached to the spout 70 as a means for maintaining the airtightness of the filler sealing portion 50 and the accommodating portion 60.

As shown in FIG. 10, the filler encapsulation portion 50 of the flexible packaging material container B1 has a shape in which each part is bulged. That is, the body portion 21 maintains the shape along the vertical direction more firmly by swelling the body portion filler encapsulation portion 51 of the filler encapsulation portion 50. Further, the bottom portion 22 becomes a portion for firmly connecting the pair of body portions 21 by swelling the bottom filler encapsulating portion 52 of the filler encapsulating portion 50. By expanding the filler sealing portion 50 in this way, the flexible packaging material container B1 is completed. The outer shape of the flexible packaging material container B1 is more reliably maintained due to a constant shape as compared with, for example, the intermediate material A1 for the flexible packaging material container.

[Manufacturing method of flexible packaging material container / packaging body C1]
FIG. 12 shows a method for manufacturing a flexible packaging material container package using the flexible packaging material container B1. As shown in the figure, the content 69 is filled. Specifically, the content nozzle 87 is loaded into the spout 70, and the content 69 of various detergents, beverages, foods, and the like is filled into the accommodating portion 60 through the content nozzle 87 and the spout 70. At this time, since the spout through hole 75 of the spout 70 is closed by the sealing seal portion 39, the content 69 is filled only in the accommodating portion 60. After that, the flexible packaging material container / packaging body C1 shown in FIGS. 13 and 14 can be obtained by going through steps such as closing the spout 70 with the cap 74.

Next, the operation of the intermediate material A1 for the soft packaging material container, the manufacturing method of the soft packaging material container B1, and the manufacturing method of the soft packaging material container package C1 will be described.

According to the present embodiment, as shown in FIG. 7, the filler sealing portion 50 is connected to the outside through the second sheet through hole 128, the third sheet through hole 138, and the spout through hole 75. Therefore, as shown in FIG. 9, when the filler 59 is blown from the outer cylinder portion 71 of the spout 70, the filler 59 is blown through the spout through hole 75, the third sheet through hole 138, and the second sheet through hole 128. Can be filled in the filler sealing portion 50. Therefore, for example, the filler 59 is more easily filled in the filler encapsulation portion 50 as compared with the case where the filler 59 is filled from the filling port provided in the body portion 21 composed of the first sheet 11 and the second sheet 12. can do.

Further, the spout 70 is used for filling the content 69 and pouring out the content 69. Therefore, it is not necessary to form a dedicated filling port for filling the filler 59 in the filler sealing portion 50 in the intermediate material A1 for the flexible packaging material container. Therefore, it is possible to finish the appearance of the intermediate material A1 for the flexible packaging material container more beautifully. Further, it is possible to prevent a surplus portion from being generated in the first raw fabric sheet 110 and the second raw fabric sheet 120 in association with the formation of the dedicated filling port.

As shown in FIG. 9, in the present embodiment, in the filling step of filling the filler 59 from the spout 70 into the filler encapsulating portion 50, the filler 59 is also filled in the accommodating portion 60. Therefore, a leak check for confirming whether or not the filler 59 is leaking from the accommodating portion 60 can be performed together with the filling step. In other words, the filler 59 is filled in the filler encapsulation 50 by performing the same operation as the leak check performed for the intermediate material for the flexible packaging material container that does not have the filler encapsulation 50. Is possible. This is preferable for improving the production efficiency of the flexible packaging material container B1 and the flexible packaging material container package C1.

In the intermediate material A1 for the flexible packaging material container, the accommodating portion 60 is formed by the third sheet 13. As a result, as the second sheet 12, for example, a sheet having a layer structure or material preferable for forming the filler encapsulation portion 50 is used, and as the third sheet 13, a layer structure suitable for accommodating the contents 69 in a sealed state is used. Or a sheet of material can be used.

In the intermediate material A1 for a flexible packaging material container, the filler encapsulating portion 50 has a pair of body filling material encapsulating portions 51. The pair of body filling material encapsulating portions 51 are provided separately in the pair of body portions 21, and the insides of the pair of body filling material encapsulating portions 51 communicate with each other via the bottom filler encapsulating portion 52. As a result, when the filler 59 is filled in one body filler filling portion 51 through the spout through hole 75, the filler 59 is also filled in the other body filler sealing portion 51 via the bottom filler sealing portion 52. Can be filled. Further, since the body filling material sealing portion 51 is provided in each of the pair of body portions 21, the outer shape of the intermediate material A1 for the flexible packaging material container can be more reliably maintained.

15-26 show modifications and other embodiments of the present invention. In these figures, the same or similar elements as those in the above embodiment are designated by the same reference numerals as those in the above embodiment.

[First modification]
FIG. 15 shows one step in the first modification of the method for producing an intermediate material for a flexible packaging material container based on the first embodiment of the present invention. In this modification, two spout through holes 75 are formed in the inner cylinder portion 73 of the spout 70. The two spout through holes 75 are provided so as to be located on opposite sides of each other. In the auxiliary joining step described above, two regions of the second raw fabric sheet 120 and the third raw fabric sheet 130 that cover the two spout through holes 75 are joined to the inner cylinder portion 73 of the spout 70. Two auxiliary seal portions 49 are formed. In the through hole forming step, the second sheet through hole 128 and the third sheet through hole 138 are formed in each of the two auxiliary seal portions 49.

FIG. 16 shows a method for manufacturing a soft packaging material container using the intermediate material A1 for a soft packaging material container of this modified example. In this modification, when the filler 59 is blown from the filler nozzle 86, a pair of body fillers are sealed from each of the two spout through holes 75 through the third sheet through holes 138 and the second sheet through holes 128. Both parts 51 are filled with the filler 59 at the same time. After the filling of the filler 59 is completed, the two sealing seal portions 39 are formed so as to close the two spout through holes 75.

Also in this modification, the filler 59 can be more easily filled in the filler encapsulation portion 50. Further, according to this modification, it is possible to shorten the filling time of the filler 59 into the filler sealing portion 50. As understood from this modification, the number of spout through holes 75 provided in the spout 70 is not particularly limited, and may be three or more. Further, unlike the illustrated example, even if the pair of body filling material encapsulation portions 51 do not communicate with each other, the filling material 59 is appropriately filled in each body filling material encapsulating portion 51. can do. These points are the same in the subsequent embodiments.

[Second modification]
FIG. 17 shows one step in the second modification of the method for producing an intermediate material for a flexible packaging material container based on the first embodiment of the present invention. The figure shows the same process as FIG. 2 described above, and the first raw fabric sheet 110 and the second raw fabric sheet 120 superposed on each other by the above-mentioned first polymerization step are sub-sealed by the sealing portion forming step. A portion 40 and a filler encapsulation portion 50 are formed. In this modification, the sub-seal portion 40 has a pair of grip portion sub-seal portions 45 in addition to the pair of body portion sub-seal portions 41, the bottom side sub-seal portion 42, and the pair of top-side sub-seal portions 43. doing. The pair of grip portion sub-seal portions 45 are provided apart from each other in the width direction of the first raw fabric sheet 110 and the second raw fabric sheet 120, and the pair of body portion sub-seal portions 41 and the pair of top-side sub-seals are provided. It is connected to the part 43. The shape of the grip portion sub-seal portion 45 is not particularly limited, and in the illustrated example, the shape surrounds the L-shaped region.

The filler encapsulating portion 50 of this modification has a pair of gripping material encapsulating portions 55 in addition to the pair of body filling material encapsulating portions 51 and the bottom filler encapsulating portion 52. The pair of grip portion filler encapsulation portions 55 are portions surrounded by the pair of grip portion sub-seal portions 45, and each of them is connected to the body portion filler encapsulation portion 51.

FIG. 18 shows an intermediate material A1 for a flexible packaging material container of this modified example. In this modification, the intermediate material A1 for a flexible packaging material container has a pair of handle portions 25 in addition to a pair of body portions 21 and a bottom portion 22. The pair of handle portions 25 extend from the pair of body portions 21, and have the grip portion sub-seal portion 45 and the grip portion filler encapsulation portion 55 described above therein. In the illustrated example, the pair of handle portions 25 are joined to each other by forming the grip portion main seal portion 35. Further, in the illustrated example, a through hole 251 is formed in the handle portion 25. The through hole 251 is provided between the grip portion sub-seal portion 45 and the body portion sub-seal portion 41.

FIG. 19 shows a soft packaging material container package C1 (soft packaging material container B1) manufactured by using the intermediate material A1 for a soft packaging material container of this modified example. In this modification, when the filler 59 is filled in the filler encapsulation portion 50, the rigidity of the handle portion 25 having the grip portion filler encapsulation portion 55 is increased. As a result, the handle portion 25 becomes a relatively highly rigid portion extending laterally from the body portion 21.

Also in this modification, the filler 59 can be more easily filled in the filler encapsulation portion 50. Further, by filling the filler sealing portion 50 with the filler 59, the handle portion 25 having increased rigidity can be obtained. The handle portion 25 is preferable as a portion used for gripping the flexible packaging material container / packaging body C1 when pouring out the contents of the flexible packaging material container / packaging body C1.

[Second Embodiment]
20 and 21 show one step of a method for producing an intermediate material for a flexible packaging material container based on the second embodiment of the present invention. In this embodiment, only the first raw fabric sheet 110 and the second raw fabric sheet 120 are used as the material sheets, and the third raw fabric sheet 130 of the above-described embodiment is not used. Therefore, in the illustrated process, the spout 70 is arranged between the inner surfaces 122 of the second raw sheet 120 folded by the folding process. Then, in the auxiliary joining step, the portion of the second raw sheet 120 that covers the spout through hole 75 and the inner cylinder portion 73 of the spout 70 are joined by heat sealing to form the auxiliary sealing portion 49. .. Further, in the through hole forming step, a hole is opened only in the second raw sheet 120 by the laser light L using the laser head 85, and the second sheet through hole 128 is formed.

FIG. 22 shows the intermediate material A2 for a flexible packaging material container manufactured by the present embodiment. The intermediate material A2 for the flexible packaging material container includes the first sheet 11 and the second sheet 12, and the accommodating portion 60 is formed by the second sheet 12. The filler sealing portion 50 communicates with the internal space of the inner cylinder portion 73 and the outer cylinder portion 71, the accommodating portion 60, and the outside through the second sheet through hole 128 and the spout through hole 75.

FIG. 23 shows a method for manufacturing a soft packaging material container using the intermediate material A2 for the soft packaging material container. Also in this embodiment, the filler 59 is blown from the filler nozzle 86 loaded in the outer cylinder portion 71 of the spout 70. As a result, the filler 59 is filled in the accommodating portion 60 formed by the second sheet 12, and at the same time, the filler 59 is filled in the filler encapsulating portion 50 via the spout through hole 75 and the second sheet through hole 128. Will be done.

After the filling step shown in FIG. 23, the flexible packaging material container B2 of the present embodiment is obtained by forming the sealing seal portion 39, and further, the contents 69 are filled and the cap 74 is attached. The flexible packaging material container package C2 shown in 24 is obtained. In the flexible packaging material container / packaging body C2, the content 69 is housed in the accommodating portion 60 defined by the inner surface 122 of the second sheet 12, and the filler encapsulating portion 50 defined by the outer surface 121 of the second sheet 12. Is filled with a filler 59.

Also in this embodiment, the filler 59 can be more easily filled in the filler encapsulation portion 50. Further, by forming the intermediate material A2 for the flexible packaging material container only with the first sheet 11 and the second sheet 12 without using the third sheet 13 as the sheet material, the manufacturing process can be simplified, the manufacturing cost can be reduced, and the softness can be obtained. Packaging material container The weight of the packaging body C2 (soft packaging material container B2) can be reduced.

[Third Embodiment]
FIG. 25 shows one step of a method for manufacturing an intermediate material for a flexible packaging material container based on the third embodiment of the present invention. In the present embodiment, the configuration of the sub-seal portion 40 and the filler encapsulation portion 50 formed in the encapsulation portion forming step on the first raw fabric sheet 110 and the second raw fabric sheet 120 overlapped by the first polymerization step is described above. It is different from the embodiment. In the present embodiment, the bottom side sub-seal portion 42 and the bottom filler encapsulation portion 52 are formed as portions larger than those in the above-described embodiment. The bottom side sub-seal portion 42 has two strip-shaped portions divided into left and right in the drawing and a rectangular portion in the center. The bottom filler encapsulation portion 52 has two strips that are substantially parallel to each other.

FIG. 26 shows the flexible packaging material container and packaging body of the present embodiment. As the flexible packaging material container package C3 of the present embodiment, the flexible packaging material container B3 manufactured from the first raw fabric sheet 110 and the second raw fabric sheet 120 shown in FIG. 25 is used. The pair of body portions 21 are joined to each other by the side main seal portion 31, but since the bottom side sub-seal portion 42 and the bottom filler encapsulation portion 52 are formed as a relatively large region, the bottom portion 22 is formed. The structure is formed as a flat substantially rectangular portion as a whole. Since the filler 59 is filled in the filler encapsulation portion 50, the rigidity of the bottom portion 22 is increased by the bottom filler encapsulation portion 52.

According to such an embodiment, the flexible packaging material container / packaging body C3 can be made to stand on its own, for example, in a posture in which the bottom portion 22 is placed on the upper surface of the display shelf in the store.

The intermediate material for a flexible packaging material container, the method for producing a flexible packaging material container, and the method for producing a flexible packaging material container package according to the present invention are not limited to the above-described embodiments. The specific configurations of the intermediate material for the flexible packaging material container, the method for producing the flexible packaging material container, and the method for producing the flexible packaging material container package according to the present invention can be variously redesigned.

A1, A2: Intermediate material for soft filler container B1 to B3: Soft filler container C1 to C3: Soft filler container Package 11: 1st sheet 12: 2nd sheet 13: 3rd sheet 110: 1st raw material Sheet 111: Outer surface 112: Inner surface 120: Second original sheet 121: Outer surface 122: Inner surface 128: Second sheet through hole 130: Third original sheet 131: Outer surface 132: Inner surface 138: Third sheet through hole 21: Body Part 22: Bottom part 25: Handle part 251: Through hole 30: Main seal part 31: Side main seal part 32: Bottom side main seal part 33: Top side main seal part 35: Grip part Main seal part 39: Sealing seal part 40: Sub-seal part 41: Body sub-seal part 42: Bottom side sub-seal part 43: Top side sub-seal part 45: Grip part sub-seal part 49: Auxiliary seal part 50: Filler encapsulation part 51: Body filling material Encapsulation part 52: Bottom filler Encapsulation part 55: Grip part Filler encapsulation part 59: Filler 60: Containment part 69: Contents 70: Spout 71: Outer cylinder part 72: Flange part 73: Inner cylinder part 74: Cap 75 : Spout through hole 85: Laser head 86: Filler nozzle 87: Contents nozzle

Claims (7)

The first sheet and the second sheet located inside the first sheet,
The accommodating portion provided inside the second sheet and
A main seal portion to which a plurality of locations including the first sheet are joined, and
A sub-seal portion to which a part of the first sheet and a part of the second sheet are joined,
A filler encapsulating portion for encapsulating the filler composed of the first sheet and the non-bonded region of the second sheet, and the filler encapsulating portion.
An intermediate material for a flexible packaging material container comprising the accommodating portion and a spout that is passed through the outside and sandwiched between a part of the second sheet.
An intermediate material for a flexible packaging material container, characterized in that the filler encapsulating portion is connected to the outside through a spout through hole formed in the spout and a second sheet through hole formed in the second sheet. A third sheet located inside the second sheet is further provided.
The accommodating portion is formed by the third sheet.
The soft packaging material according to claim 1, wherein the filler encapsulating portion communicates with the outside through the spout through hole, the second sheet through hole, and the third sheet through hole formed in the third sheet. Intermediate material for containers. The intermediate material for a flexible packaging material container according to claim 1, wherein the accommodating portion is formed of the second sheet. The first sheet and the second sheet include a bottom portion folded on the side opposite to the spout, and a pair of body portions arranged so as to sandwich the bottom portion.
The filler encapsulating portion includes a pair of body filling material encapsulating portions formed in the body portion, respectively.
The intermediate material for a flexible packaging material container according to any one of claims 1 to 3, wherein the pair of body filling material encapsulating portions communicate with each other through the bottom portion. By injecting the filler from the spout of the intermediate material for the flexible packaging material container according to any one of claims 1 to 4, the filling material encapsulation portion is filled through the spout through hole and the second sheet through hole. Filler encapsulation process for encapsulating the material and
A flexible packaging material container comprising a sealing step of forming a sealing seal portion for sealing the spout through hole and the second sheet through hole by joining a plurality of locations including the first sheet. Manufacturing method. The method for manufacturing a flexible packaging material container according to claim 5, wherein in the filler filling step, a leak check is performed by filling the container with the filler. After the method for manufacturing a flexible packaging material container according to claim 5 or 6,
A method for manufacturing a flexible packaging material container / packaging body, which comprises a content filling step of filling the storage portion from the spout.

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