JP6060435B2 - Method for manufacturing pouch package, pouch package, and pouch container - Google Patents

Description

  The present invention relates to a method for manufacturing a pouch package in which contents such as powder, solid or liquid (including a semi-fluid) are filled in a pouch container, a pouch package manufactured by the method, and a pouch suitable for the method. Concerning the container.

  In recent years, as a container filled with a liquid beverage such as a soft drink, for example, as shown in FIG. 14, a gusset sheet 53 is folded inward from both sides of a pair of front and back exterior sheets 52, and a peripheral portion of the gusset sheet 53 Is sealed to the exterior sheet 52 and the upper edge portions and the lower edge portions of the exterior sheet 52 are heat sealed to a side gusset type pouch 51 formed into a bag shape. A pouch container 50 is used in which a spout 54 that can open and close a mouth serving as a mouthpiece or mouthpiece is attached as an outlet portion. 14 indicates the heat seal portion of the pouch 51.

  By the way, such a side gusset type pouch container 50 is heat-sealed in the pouch 51 that protrudes downward from the bottom of the pouch 51 in a state where the contents are filled, as shown in FIG. As shown in FIG. 5B, the lower edge portion 51A is bent toward the back side of the container main body 51 so that the bottom portion of the pouch 51 is as flat as possible. Both end portions of the lower edge portion 51A thus formed are the thickest portions, and since the restoring force by the spring back is always acting, the lower edge portion 51A of the pouch 51 is held in a folded state on the back side of the pouch 51. Such a side gusset type pouch container 50 generally has a problem that its self-supporting stability is poor.

Japanese Patent Laid-Open No. 10-72044 Japanese Patent No. 3460999 Japanese Patent No. 4549472

  In order to solve these problems, a perforation PS is formed in the vicinity of the bending position of the lower edge portion 51A in the lower heat seal portion between the exterior sheet 52 and the gusset sheet 53, as shown in FIG. In addition, as shown in FIG. 5B, it has been proposed to form a bending assist portion AS in which a part of the gusset sheet 53 is excised.

  As described above, when the perforation PS or the bending assisting portion AS is formed in the vicinity of the bending position of the lower edge portion 51A in the lower heat seal portion between the exterior sheet 52 and the gusset sheet 53, the lower edge portion 51A is bent. Since the side gusset type pouch container is bent, the self-supporting stability of the side gusset-type pouch container is improved. However, since the restoring force in the vicinity of the center of the lower edge 51A remains, it cannot be said that sufficient self-supporting stability has been secured.

  Accordingly, an object of the present invention is to provide a method for manufacturing a pouch package capable of ensuring sufficient self-supporting stability, a pouch package manufactured by the method, and a pouch container suitable for the method. .

  In order to solve the above-mentioned problem, the invention according to claim 1 is a method for manufacturing a pouch package in which contents are filled and packaged in a side gusset type pouch container, wherein the pouch container includes a front portion and a back portion. A pair of exterior sheets, and a gusset sheet that is folded inward from both sides to form a side gusset portion between the pair of exterior sheets, and a peripheral portion of the gusset sheet is heat-sealed to the exterior sheet In addition, the upper edges and the lower edges of the pair of exterior sheets are heat-sealed to form a bag, and the side edge of the gusset sheet and the side edge of the exterior sheet are The pouch container is filled with contents in a state where the heat-sealed side edge seal portion is regulated so as to face the outside in the depth direction of the pouch container.

  The invention according to claim 2 is a method of manufacturing a pouch package in which contents are filled and packaged in a side gusset type pouch container, wherein the pouch container has a pair of exteriors forming a front part and a back part. Sheet and a gusset sheet that is folded inward from both sides to form a side gusset portion between the pair of exterior sheets, and a peripheral portion of the gusset sheet is heat sealed to the exterior sheet, The upper edges and the lower edges of the exterior sheet are heat-sealed to form a bag, and the side edge of the gusset sheet and the side edge of the exterior sheet are heat-sealed. It is characterized in that the pouch container is filled with the contents after the crease is attached so that the seal portion faces the outside in the depth direction of the pouch container.

  The invention according to claim 3 is a pouch package manufactured by the method for manufacturing a pouch package according to claim 1 or 2, wherein a side edge portion of the pair of exterior sheets and a side of the gusset sheet are provided. The protruding direction of the side edge seal part heat-sealed with the edge part changes from the width direction of the trunk part to the depth direction at the lower part of the trunk part of the pouch container, and the lower parts of the pair of left and right gusset sheets are Under the lower part of the exterior sheet, the side edge seal portion protrudes to the outside in the depth direction of the body portion of the pouch container, and wraps around the width direction inside of the body portion of the pouch container to form a bottom surface portion. It is characterized by having.

  The invention according to claim 4 is a pouch container used in the method for manufacturing a pouch package according to claim 1 or 2, wherein a lower portion of the side edge seal portion is disposed outside the side gusset portion in the depth direction. A crease line for folding inward is formed along the inner edge of the side edge seal portion.

According to a fifth aspect of the present invention, in the pouch container according to the fourth aspect of the invention that cites the second aspect , the side edge seal portion is folded back inside the width direction of the exterior sheet along the crease line. It is characterized in that in advance the creases are marked.

  According to a sixth aspect of the present invention, in the pouch container of the fourth or fifth aspect of the invention, the side edge seal portion has a lower end with the inner edge of the portion that becomes the bottom portion filled with the contents. The lower edge seal part, which is inclined inward in the width direction of the part and heat-sealed between the lower edges of the pair of exterior sheets, is an extension line of the inclined inner edge of the side edge seal part of the one exterior sheet A crease line is formed along the line.

  As described above, in the method for manufacturing a pouch package according to the first aspect of the present invention, the side edge seal portion in which the side edge of the gusset sheet and the side edge of the exterior sheet are heat-sealed is disposed outside the depth direction of the pouch container. In the pouch package manufacturing method according to the second aspect of the present invention, the side edge seal portion in which the side edge of the gusset sheet and the side edge of the exterior sheet are heat-sealed is provided on the pouch container. Since the pouch container was filled with the contents after attaching the creases so as to face the outside in the depth direction, filling the contents spreads the left and right gusset sheets so that the torso While being formed, the protruding direction of the side edge seal portion continuously changes from the width direction of the trunk portion to the depth direction at the lower portion of the trunk portion, and the lower portions of the pair of exterior sheets are arranged in the depth direction at the lower side of the trunk portion. Turn inside In addition, under the lower part of the exterior sheet, the lower part of the gusset sheet wraps around the inner side in the width direction of the trunk part, with the side edge seal part spreading so as to face the outer side in the depth direction of the trunk part. The pouch package of the invention according to Item 3 is completed.

  Further, in the pouch package of the invention according to claim 3, the lower part of the pair of left and right gusset sheets is below the lower part of the exterior sheet, and the side edge seal part projects outward in the depth direction of the trunk part of the pouch container. In this state, the bottom part is formed by turning inwardly in the width direction of the body part of the pouch container, so that the lower part of the pair of exterior sheets that are not symmetrical in the depth direction (front-rear direction) of the body part of the pouch container is placed. Unlike the conventional side gusset type pouch package that easily falls in the front-rear direction because it comes in contact with the mounting surface, the lower part of the pair of exterior sheets that do not have a symmetrical shape in the depth direction of the trunk of the pouch container On the lower side, the lower part of the pair of left and right gusset sheets will function as support legs that are symmetrical in the width direction (left and right direction) of the trunk of the pouch container. To be difficult to overturn.

  In particular, in the lower part of the pair of left and right gusset sheets functioning as symmetrical support legs, the side edge seal part heat-sealed to the side edge part of the exterior sheet is in the depth direction (front-rear direction) of the body part of the pouch container. By projecting to the outside, the width becomes wide in the front-rear direction, and the area of the bottom surface becomes larger than that of the conventional pouch package, so that the self-supporting stability is further improved.

  Further, in the side gusset type pouch container, since printing is applied to the lower part of the outer sheet that forms the bottom surface part, in the conventional pouch packaging body in which the lower part of the pair of outer sheets contacts the mounting surface, the printing part is There is also a problem that the print is easily erased by rubbing, but in this pouch package, the lower part of the gusset sheet that has not been printed comes into contact with the mounting surface, and the lower part of the exterior sheet is positioned above it. Also, there is an effect that the printed portion applied to the lower part of the exterior sheet is less likely to come into contact with the mounting surface, and the printing is difficult to disappear.

  In the pouch container of the invention according to claim 4, the crease line for folding the lower part of the side edge seal part to the outside in the depth direction of the side gusset part is formed along the inner edge of the side edge seal part. When the left and right gusset sheets are folded and the body is formed by filling the contents, the protruding direction of the side edge seal part is changed from the width direction (left and right direction) of the body part. It becomes easy to change in the depth direction (front-rear direction), and the pouch package according to claim 3 can be manufactured reliably.

  In the pouch container of the invention according to claim 5, the side edge seal portion is folded inward in the width direction of the exterior sheet along the crease line, and thus the crease is attached in advance. The exit direction is more likely to change from the width direction (left-right direction) of the body portion to the depth direction (front-rear direction) of the body portion, and the pouch package according to claim 3 can be manufactured more reliably.

  Further, the pouch container of the invention according to claim 6 has a crease line along the extended line of the inclined inner edge of the side edge seal portion at the lower edge seal portion where the lower edges of the pair of exterior sheets are heat sealed. Therefore, when the lower part of the gusset sheet wraps inward in the width direction of the body part to form the bottom surface part, both ends of the lower edge seal part where the lower edges of the exterior sheet are heat sealed are folded. The lower part of the gusset sheet that is reliably folded back at the formation position of the ruled line and functions as a support leg having a symmetrical shape is likely to be flat, and the self-supporting stability is further improved.

It is a perspective view which shows one Embodiment of the pouch package manufactured by the manufacturing method of the pouch package which concerns on this invention. (A) is a front view showing the same pouch package, (b) is a side view showing the same pouch package, and (c) is a bottom view showing the same pouch package. It is a top view which shows the state which folded the pouch container same as the above into flat. It is process drawing for demonstrating the manufacturing method (bag making method of a pouch container) of a pouch packaging body same as the above. It is process drawing for demonstrating the manufacturing method (bag making method of a pouch container same as the above) of a pouch packaging body same as the above. (A), (b) is process drawing for demonstrating the manufacturing method (bag making method of a pouch container same as the above) of a pouch packaging body same as the above. (A), (b) is process drawing for demonstrating the manufacturing method (bag making method of a pouch container same as the above) of a pouch packaging body same as the above. (A)-(d) is process drawing for demonstrating the manufacturing method (filling method of the contents) of a pouch packaging body same as the above. It is a top view which shows the state which folded other embodiment of the pouch container flatly. (A) is a top view which shows the state which folded other embodiment of the pouch container flatly, (b) is a side view which shows the state which folded the pouch container same as the above flatly. It is a top view which shows the state which folded other embodiment of the pouch container flatly. (A) is a front view which shows the pouch packaging body which filled and packaged the content in the same pouch container, (b) is a side view which shows a pouch packaging body same as the above. (A) is a top view which shows the state which folded other embodiment of the pouch container flatly, (b) is a bottom view which shows the pouch packaging body using the pouch container same as the above. It is a perspective view which shows the conventional side gusset type pouch container. (A), (b) is explanatory drawing for demonstrating the processing method of the lower edge part of the heat sealed container main body in a pouch container same as the above. (A), (b) is a top view which shows the pouch container which employ | adopted the method conventionally proposed in order to improve the self-supporting stability of a side gusset type pouch container.

  Hereinafter, embodiments will be described with reference to the drawings. 1 and 2 (a) to 2 (c) show a pouch package 1 in which a liquid beverage as a content is filled and packaged in a side gusset type pouch container 2. FIG. As shown in the figure, the pouch container 2 constituting the pouch package 1 is a biaxially stretched polyamide in which a gas barrier sheet or the like is laminated on the outer surface of a heat-adhesive synthetic resin film such as polyethylene or polypropylene. A container body 10 that is formed into a bag shape by a flexible sheet having a thickness of about 80 to 200 μm laminated with a film, a biaxially stretched polyester film, or the like, and a thermal bond that is attached to the container body 10 The spout 20 is made of a conductive resin.

  As shown in FIG. 3, the container body 10 is formed of the above-described flexible sheet, and is folded inward from both sides of the pair of front and back exterior sheets 11, 11 and both exterior sheets 11, 11 and left and right gusset parts. A pair of left and right gusset sheets 12 and 12 that form the outer periphery of the folded gusset sheets 12 and 12 are heat sealed to the inner surfaces of the exterior sheets 11 and 11 and the exterior sheets 11 and 11. The inner surfaces of the upper edge portion and the lower edge portion are heat sealed to each other to form a bag shape. 2 and 3 indicate the heat seal portion of the container body 10.

  Further, as shown in FIG. 3, a notch portion 12a is formed in the upper corner portion on the joint edge side of the gusset sheet 12 in a folded state, and a pair of front and back exteriors are formed through the notch portion 12a. The sheets 11 and 11 are point-sealed (heat sealed) with each other. In this way, the notch 12a is formed in the gusset sheet 12 because the container body 10 when the contents are filled is fixed by fixing both ends of the upper edge of the pair of front and back exterior sheets 11 and 11 to each other. This is for maintaining a predetermined shape (see FIG. 1).

  Further, as shown in FIG. 3, the exterior sheets 11 and 11 are provided on the inner edge of the straight portion of the side edge seal portion SS in order to easily bend the side edge seal portion SS outward in the depth direction of the side gusset portion. A crease line CL extending from the upper edge to the lower inclined edge is formed at a position slightly inside the side edge seal portion SS. In addition, as shown in the figure, the side edge seal portion SS has a constant width in which the upper edges of the exterior sheets 11 and 11 and the upper edge of the exterior sheet 11 and the upper edge of the gusset sheet 12 are heat sealed. The upper edge seal portion (including the mounting portion of the spout 20) of the outer edge of the outer sheet 11, 11 from the height position of the inner edge (lower edge) of the US and the lower edge of the outer sheet 11 and the gusset sheet 12 A seal portion in which the exterior sheet 11 and the gusset sheet 12 are heat-sealed in a region r up to the height position of the inner edge (upper edge) of the lower edge seal portion DS of a certain width where the lower edge portion is heat-sealed. The side edge seal portion SS also includes a portion having a large seal width and a lower inclined edge portion in which the inner edge partially protrudes inward.

  The spout 20 is made of a heat-adhesive resin molding such as polyethylene or polypropylene, and is heat-sealed to the exterior sheets 11 and 11 while being sandwiched between the upper edges of the exterior sheets 11 and 11 as shown in FIG. A flat boat-shaped mounting portion 22, a main body portion 21 having a mouth portion protruding outward from the container main body 10, and a screw cap 23 for opening and closing the mouth portion of the main body portion 21. , And a lead-out pipe 24 that sucks up the contents filled in the container body 10 and is provided in the lower part of the mounting portion 22.

  Hereinafter, the manufacturing method of the pouch container 2 described above will be described with reference to the drawings. First, as shown in FIG. 4, a part S1 to be the exterior sheet 11, a part S2 to be the gusset sheet 12, a part S1 to be the exterior sheet 11, and a part S2 to be the gusset sheet 12 are connected in the width direction. While the flexible sheet S is being sent out, four crease lines CL are formed on both sides of the portions S1 and S1 that will be the exterior sheets 11 and 11, and then the portion S2 that will be the gusset sheet 12 as shown in FIG. A pair of facing exterior sheets as shown in FIGS. 6 (a) and 6 (b) is formed by forming the hole h or the notch portion n to be the notch portion 12a described above and folding it at the position indicated by the alternate long and short dash line in FIG. The portions S2 and S2 to be the pair of gusset sheets 12 and 12 are folded on both sides of the portions S1 and S1 to be 11 and 11, respectively.

  Subsequently, as shown in FIG. 7A, the peripheral portions of the portions S2 and S2 to be the gusset sheets 12 and 12 and the portions S1 and S1 to be the exterior sheets 11 and 11 are heat-sealed, and the exterior sheet 11 and As shown in FIG. 5B, one end edge of the portions S1 and S1 to be 11 is heat-sealed in a predetermined shape, and an unsealed unnecessary portion is cut and cut at a predetermined position. A bag-like container body 10 in which the upper edges of the exterior sheet 11 to which 20 is attached is not heat sealed is completed. The shaded display portions in FIGS. 7A and 7B indicate the heat seal portions.

  When the mounting portion 22 of the spout 20 is inserted into the unsealed upper edge portion of the container body 10 thus produced, and the unsealed portion of the container body 10 is heat-sealed, as shown in FIG. A spout 20 is attached to the upper edge of the pouch 10, and the pouch container 2 in a flat folded state is completed.

  Next, a method of filling the contents in the pouch container 2 will be described with reference to FIG. As shown in the same figure (a), in the state where the pouch container 2 in a state where the mouth of the spout 20 is opened is suspended by gripping the spout 20 part, as shown in the same figure (b), The pouch container 2 is formed by separating the pair of suction pads VP from each other as shown in FIG. 5C in a state of being sandwiched and held by the pair of suction pads VP below the side edges of the exterior sheets 11 and 11. The side gusset portion of the gusset sheet 12 is lifted by raising the pair of regulation guides RG that have been waiting under the pouch container 10 as shown in FIG. The lower part of the side edge seal portion SS heat-sealed with the side edge of the exterior sheet 11 is pushed and expanded by the crease line CL, and is held in a state of being regulated so as to face the outside in the depth direction of the pouch container 2. In state, filling the contents from the mouth of the spout 20.

  In this way, when the contents are filled in a state in which the side edge seal portion SS of the pouch container 2 is regulated so as to face the outside in the depth direction, the folded right and left gusset sheets 12 and 12 spread, and the body portion BP While being formed, the projecting direction of the side edge seal portion SS continuously changes from the width direction of the trunk portion BP to the depth direction at the lower portion of the trunk portion BP, and the lower portions of the pair of exterior sheets 11 and 11 are the bottom portions of the trunk portion BP. A gusset sheet in a state where it wraps around inward in the depth direction on the lower side and spreads so that the side edge seal portion SS faces the outer side in the depth direction of the body BP on the lower side of the exterior sheets 11, 11. The lower part of 12 and 12 wraps around inward in the width direction of the body part BP, and the lower edge seal part DS is folded back along the extended line of the inclined inner edge of the side edge seal part SS of the one exterior sheet 11 to thereby form the bottom surface part. Shape Is, when closing the spout 20 neck portion in screw cap 23 after completion filling of contents, is completed pouch package 1 as shown in FIGS. Here, the portion where the depth is held substantially constant is referred to as the trunk portion BP, and the portion above the position where the depth begins to narrow is referred to as the shoulder portion SP.

  As described above, in this pouch package 1, as shown in FIG. 2 (c), the lower portions of the pair of left and right gusset sheets 12, 12 wrap around inside the body portion BP of the pouch container 2 in the depth direction. The pouch container wraps inward in the width direction of the body part BP of the pouch container 2 in a state of spreading in the depth direction of the body part BP of the pouch container 2 below the pair of exterior sheets 11, 11. A conventional side gusset type pouch that easily falls in the front-rear direction because the lower part of the pair of exterior sheets 11, 11 that do not have a symmetric shape in the depth direction (front-rear direction) of the body part comes into contact with the placement surface. Unlike the package, as shown in FIGS. 2 (a) and 2 (b), on the lower side of the lower part of the pair of exterior sheets 11, 11, which do not have a symmetrical shape in the depth direction of the body portion BP of the pouch container 2, A pair of left and right gussets The lower portions of the sheets 12 and 12 will function as symmetrical support legs in the width direction (left-right direction) of the body BP of the pouch container 2, and it is difficult to fall not only in the front-rear direction but also in the left-right direction, and is self-supporting Good sex.

  In particular, at the lower part of the pair of left and right gusset sheets 12, 12 functioning as symmetrical support legs, the side edge seal part SS heat-sealed to the side edge part of the exterior sheet 11 is the body part BP of the pouch container 2. By projecting to the outside in the depth direction (front-rear direction), the width becomes wider in the front-rear direction, and the area of the bottom portion becomes larger than that of a conventional pouch package, so that the self-supporting stability is further improved.

  Also, in the side gusset type pouch container, since printing is usually performed on the lower part of the outer sheet that forms the bottom surface part, in the conventional pouch packaging body in which the lower part of the pair of outer sheets contacts the mounting surface, printing is performed. Although there is a problem that the printed part is easily erased by rubbing the part, in this pouch package 1, the lower part of the gusset sheet 12 that has not been printed comes into contact with the mounting surface, and the lower part of the exterior sheet 11 is positioned above the upper surface. As a result, the printed portion applied to the lower portion of the exterior sheet 11 is less likely to come into contact with the placement surface, and printing is less likely to disappear.

  In the above-described embodiment, the lower portion of the side edge seal portion SS is expanded by the crease line CL by the pair of regulation guides RG so as to be regulated so as to face the outside in the depth direction of the pouch container 2. However, the present invention is not limited to this. For example, the lower portion of the side edge seal portion SS may be gripped by a pair of clampers or the like and widened so as to face the outside in the depth direction of the pouch container 2. The method can be adopted.

  Further, in the above-described embodiment, the crease line CL is formed only on the exterior sheet 11, but the present invention is not limited to this, and the same crease line is also formed at the corresponding position of the gusset sheet 12. Also good.

  Further, in the embodiment described above, the crease line CL extends from the upper edge of the container body 10 to the lower inclined edge, but is not limited to this, for example, like a pouch container 2A shown in FIG. When the crease line CL1 bent along the inner edge of the inclined portion from the inner edge of the straight portion in the side edge seal portion SS is formed, the lower portion of the gusset sheet 12 forming the bottom surface portion is located inside the body portion BP in the width direction. Since it becomes easy to wrap around, it can be said to be a more preferable form. When forming the bent crease line CL1 in this way, a ridge for forming the crease line CL1 is provided on the seal bar, and the crease line CL1 is simultaneously formed when the exterior sheet 11 and the gusset sheet 12 are heat-sealed. Can be considered.

  Furthermore, as shown in the figure, a portion of the lower edge seal portion DS where the lower edges of the pair of exterior sheets 11 and 11 are heat sealed is along the extended line of the inclined inner edge of the side edge seal portion SS. When the crease line CL2 is formed, when the lower portion of the gusset sheet 12 turns inward in the width direction of the body portion BP to form a bottom surface portion, the lower edge seal portion DS has a pair of exterior sheets 11, 11 below Both ends of the part where the edges are heat-sealed are reliably folded back at the formation position of the crease line CL2, and the lower part of the pair of gusset sheets 12, 12 functioning as symmetrical support legs tends to be flat, The effect of further improving the self-supporting stability can be obtained. Needless to say, the crease line CL2 formed in the lower edge seal portion DS may be provided in the pouch container 2 in which the crease line CL extends from the upper edge of the container body 10 to the lower inclined edge.

  Further, in each of the embodiments described above, only the crease lines CL, CL1, and CL2 are formed on the pouch containers 2 and 2A, but like the pouch container 2B shown in FIGS. 10A and 10B, If the crease is attached in advance by folding the lower half of the side edge seal part SS inward at the crease line CL, the lower part of the side edge seal part SS is pushed and expanded by the crease line CL when filling the contents. Thus, the pouch package 1 as shown in FIG. 1 can be manufactured without restricting the pouch container 2 to face the outside in the depth direction.

  In each of the above-described embodiments, the fold ruled lines CL and CL1 are formed on the pouch containers 2, 2A, and 2B in order to easily fold the side edge seal portion SS outward in the depth direction of the side gusset portion. However, the present invention is not limited to this, and when the contents are filled, if the lower part of the side edge seal portion is pushed and restricted so as to face the outside in the depth direction of the pouch container, the crease line may be omitted. The pouch package 1 described above can be manufactured using a conventional general side gusset type pouch container as it is.

  In addition, as in the pouch container 2C shown in FIG. 11, the upper end position of the trunk portion BP (the lower end position of the shoulder portion SP) in the side edge seal portion SS, that is, the height position where the depth starts to narrow toward the upper side, If the hollow part CP in which the outer edge is depressed inward is formed, the protruding direction of the side edge seal part SS on the lower side is from the width direction (left-right direction) of the body part BP, using the hollow part CP as a trigger. Since it changes in the depth direction (front-rear direction) of the body portion BP, the side edge seal portion SS, which is usually located at the portion held by the hand, like the pouch package 1C shown in FIGS. The body portion BP projects in the depth direction (front-rear direction), and when the pouch container is held by hand, the edge portion of the side edge seal portion SS is less likely to come into contact with the palm, and the touch is improved. Recessed part C in side gusset part Conventional pouch packaging in which the lower edge part extends in the depth direction of the body part BP in a substantially flat state including the side edge seal part SS, so that the side edge seal part protrudes outside in the width direction of the body part Unlike the body, it is also possible to use the side gusset portion as a display area, which has the effect of widening display variations.

  Further, in the above-described embodiment, the pouch container 2 in which the lower ends at both ends in the width direction of the exterior sheet 11 and the lower ends at both ends in the depth direction of the gusset sheet 12 are respectively used is not limited thereto. As shown in FIG. 13A, it is also possible to use a pouch container 2D having corners at both lower portions in the width direction of the exterior sheet 11 and both lower portions in the depth direction of the gusset sheet 12, and such a pouch is used. When the container 2D is used, the area of contact with the lower mounting surface of the gusset sheet 12 is increased as in the pouch package 1D shown in FIG.

  In the above-described embodiment, the pair of facing sheets 11 and 11 and the pair of facing gusset sheets 12 and 12 are formed by folding one flexible sheet S. However, the present invention is not limited to this. Instead, it is also possible to use two flexible sheets that form a pair of opposed exterior sheets 11 and 11 and two flexible sheets that form a pair of opposed gusset sheets 12 and 12.

  Moreover, in embodiment mentioned above, although the spout 20 which opens and closes a mouth part with the screw cap 23 is used as the spout member, the pouch containers 2, 2A, 2B, 2C, and 2D attached to the container body 10 are used. It is not limited, It is also possible to employ | adopt various forms spout member instead of the spout 20, and it is also possible to use the pouch container to which spout members, such as the spout 20, are not equipped. .

  Moreover, although the embodiment mentioned above demonstrated the pouch package body which filled and packaged the liquid drink in the pouch container, the content filled with a pouch container is not limited to a liquid drink, powder, solid, or liquid ( Needless to say, a semi-fluid may be included.

  It can be used when filling contents such as liquid in a side gusset type pouch container.

1, 1C, 1D pouch package 2, 2A, 2B, 2C, 2D pouch container 10 Container body 11 Exterior sheet 12 Gusset sheet 12a Notch 20 Spout 21 Body 22 Mounting part 23 Screw cap 24 Lead pipe BP Body CL, CL1, CL2 Folded crease line CP Indentation part DS Lower edge seal part h Hole n Notch part RG Regulation guide S Flexible sheet S1 Part to be an exterior sheet S2 Part to be a gusset sheet SP Shoulder part SS Side edge seal part US Upper edge seal part VP suction pad

Claims (6)

A method for manufacturing a pouch package in which contents are filled and packaged in a side gusset type pouch container,
The pouch container includes a pair of exterior sheets that form a front portion and a back portion, and a gusset sheet that is folded inward from both sides to form a side gusset portion between the pair of exterior sheets, Is formed in a bag shape by heat-sealing the upper edge portions and the lower edge portions of the pair of the outer sheets.
The pouch container is filled with the contents in a state where the side edge seal portion where the side edge of the gusset sheet and the side edge of the exterior sheet are heat sealed is regulated to face the outside in the depth direction of the pouch container. A method for producing a pouch packaging product. A method for manufacturing a pouch package in which contents are filled and packaged in a side gusset type pouch container,
The pouch container includes a pair of exterior sheets that form a front portion and a back portion, and a gusset sheet that is folded inward from both sides to form a side gusset portion between the pair of exterior sheets, Is formed in a bag shape by heat-sealing the upper edge portions and the lower edge portions of the pair of the outer sheets.
After the side edge seal portion where the side edge of the gusset sheet and the side edge of the exterior sheet are heat sealed is creased so as to face the outside in the depth direction of the pouch container, the contents are filled into the pouch container. A method for producing a pouch packaging body. A pouch package manufactured by the method for manufacturing a pouch package according to claim 1 or 2,
The protruding direction of the side edge seal part in which the side edge part of the pair of exterior sheets and the side edge part of the gusset sheet are heat-sealed is from the width direction of the trunk part to the depth direction at the lower part of the trunk part of the pouch container. Has changed,
The width direction of the trunk part of the pouch container with the lower part of the pair of left and right gusset sheets below the lower part of the exterior sheet and the side edge seal part projecting outward in the depth direction of the trunk part of the pouch container A pouch package characterized in that a bottom surface portion is formed around the inside. A pouch container used in the method for producing a pouch package according to claim 1 or 2,
A pouch container, wherein a crease line for folding the lower part of the side edge seal part to the outside in the depth direction of the side gusset part is formed along the inner edge of the side edge seal part. The pouch container according to claim 4, wherein the crease is attached in advance by folding the side edge seal portion inward in the width direction of the exterior sheet along the crease line.
The side edge seal part is inclined inward in the width direction of the body part toward the lower side of the inner edge of the bottom part in a state filled with contents,
A crease line is formed in the lower edge seal portion where the lower edges of the pair of exterior sheets are heat-sealed along the extended line of the inclined inner edge of the side edge seal portion of one of the exterior sheets. Item 6. A pouch container according to Item 4 or 5.

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