JP4984403B2 - Composite container - Google Patents

Description

  The present invention relates to a composite container made of a flexible packaging bag and a sleeve material that are capable of maintaining an opened state and are provided with self-supporting properties.

Conventionally, flexible packaging bags can be stored and transported in a lying state and are used as containers for packaging many products including foods and confectionery because of their low cost. . In addition, square-bottom bags, standing pouches, etc. in which the soft packaging bags are made self-supporting have been used for various contents. Further, composite containers made of soft packaging bags and paperboard cartons or cardboard boxes include bag-in-cartons, bag-in-boxes, etc., which have been put into practical use by skillfully combining the characteristics of both materials. These naturally have a self-supporting property (see, for example, Patent Document 1).
Japanese Patent Application Laid-Open No. 11-236054

  However, it is difficult to keep the opened state after opening the flexible packaging bag. In particular, when the amount of the contents consumed and stored is reduced, the tendency is further increased. In addition, there is also a problem that it is difficult to handle when consuming contents while holding the soft packaging bag. Furthermore, in order to have self-supporting properties, it is necessary to use a soft packaging bag with a special structure such as a square bottom bag or a standing pouch, or a composite container such as a bag-in carton or a bag-in-box. There is a problem that the structure becomes complicated and the cost becomes high.

  The present invention has been made in view of the above-mentioned problems, and is a composite container that becomes a flexible packaging bag and a sleeve material attached to the outer periphery, can be held in an open state, and has a self-supporting property. An object of the present invention is to supply a composite container that can be provided and that suppresses cost increase.

In order to solve the above-mentioned problems, the composite container according to the present invention is a composite container in which the outer surface of the flexible packaging bag and the inner surface of the sleeve material are attached by being partially bonded to each other at the central vertical portion between both sides. In addition, a push-out fold line is provided on each of both sides of the sleeve material, a part of the opposing sleeve fold line or on both sides of the entire sleeve, and a fold-out fold line is formed in a substantially arc shape. The inner portions formed in the above are used as pushing portions, sleeve auxiliary folding lines parallel to the sleeve folding lines are provided between the opposing sleeve folding lines of the sleeve material, and the pushing portions are pushed inwardly, whereby the softening is performed. The composite container is characterized in that the packaging bag is opened and the opened state is maintained and self-supporting property is imparted.

  As the first shape, the shape of the push-in portion is a part of the opposing sleeve fold line that is both sides of the sleeve material, or a push-out fold line is formed in a square shape or substantially arc shape on both sides of the entire side. A composite container characterized in that the inner portions formed by the outer push-in fold lines are the push-in portions, respectively. In the push-in portions, for example, the push-out outer fold lines are arranged at the upper and lower ends on the sleeve fold lines. It is provided so as to intersect, or the upper end intersects with the sleeve fold line, and the lower end is disposed in a shape not intersecting with the sleeve fold line, etc. A push assist fold line intersecting the sleeve fold line is provided.

  According to the present invention, by combining the soft packaging bag and the sleeve material made of paperboard, the unsealed state can be maintained after the flexible packaging bag is opened. Even in a reduced state, the unsealed state can be maintained, and it has the effect that it is easy to handle when taking out and consuming the contents while holding the flexible packaging bag by hand.

In addition, there is an effect that it is possible to easily provide independence without increasing the cost.

  Hereinafter, the present invention will be described in more detail with reference to the drawings. FIG. 1 is a perspective view of a container in which a sleeve auxiliary folding line is omitted in the composite container according to the present invention. The composite container 1 is composed of a flexible packaging bag 10 and a sleeve material 20 made of paperboard, and has a form in which the sleeve material 20 is wound around the outer periphery of the flexible packaging bag 10, and as shown in FIG. Is attached to the outer periphery of the soft packaging bag 10 in a state where the sleeve material 20 is folded in close contact with the soft packaging bag 10. A flat packaging bag is used for the flexible packaging bag 10.

  Also, the two sleeve fold lines a and b of the sleeve material 20 folded in a flat shape are respectively provided with push-in portions A and B (due to the push-in fold line), and both sides of the sleeve material 20 are formed from this flat shape. By simultaneously pushing inward the pushing portions A and B at the ends, the sleeve material 20 opens from a flat shape to a substantially convex lens shape, and the state as it is can be maintained as shown in FIG. At the same time that the sleeve material 20 is opened, the opened soft packaging bag 10 can be opened, and the soft packaging bag 10 can also be held open. Furthermore, the flexible packaging bag 10 can be made independent.

  FIG. 2 is an explanatory view of each member constituting the composite container 1 according to the present invention. First, the soft packaging bag 10 is a general flat packaging bag as shown in FIG. 2A, and is provided with an opening means 11 such as a tear line on the upper edge. The material of the flexible packaging bag 10 is not particularly limited, but a plastic film or a sheet is used as a basic material. Specifically, for example, polyester resin, polyamide resin, polyaramid resin, polyolefin Resin, polycarbonate resin, polystyrene resin, polyacetal resin, fluorine resin and the like can be used. As this plastic film or sheet, any of an unstretched film or a stretched film stretched in a uniaxial direction or a biaxial direction can be used. In general, a laminate obtained by laminating a heat-sealable film on the base film as described above is further used when making a bag. In the present invention, the heat sealable film may be, for example, low density polyethylene, medium density polyethylene, high density polyethylene, linear (linear) low density polyethylene, polypropylene, ethylene-vinyl acetate copolymer, ionomer. -Resin, ethylene-acrylic acid copolymer, ethylene-ethyl acrylate copolymer, ethylene-methacrylic acid copolymer, ethylene-methyl methacrylate copolymer, ethylene-propylene copolymer, methylpentene polymer, polybutene Polyolefin resin such as polymer, polyethylene or polypropylene modified with unsaturated carboxylic acid such as acrylic acid, methacrylic acid, maleic acid, maleic anhydride, fumaric acid, itaconic acid, polyvinyl acetate type Resin, poly (meth) acrylic resin, poly Vinyl chloride resin, film or sheet of resin and other like - can be used and.

  The flexible packaging bag 10 uses the laminate as described above, and the inner heat-seal resin layer faces the surface and is folded, or the two sheets are overlapped, and Then, the peripheral edge portion is heat sealed to provide a seal portion to form a bag. As the bag making method, the above laminated body is bent with the inner layer faces facing each other, or the two sheets are overlapped, and the peripheral edge of the outer periphery thereof is, for example, a side seal type, two Square seal type, three-way seal type, four-side seal type, envelope-attached seal type, jointed seal type (pill seal type), pleated seal type, flat bottom seal The flexible packaging bag 10 of various forms according to the present invention can be manufactured by heat sealing in the form of a heat seal such as a shell type or a square bottom seal type. In the above, as the heat seal method, for example, a bar seal, a rotary roll seal, a belt seal, an impulse seal, a high frequency seal, an ultrasonic seal and the like are known. It can be done by the method.

  On the other hand, the sleeve material 20 is formed into a sleeve shape by being folded at two sleeve folding lines a and b using a material mainly made of paperboard. As shown in FIG. 2B, the folded sleeve material 20 has a rectangular shape in which both sleeve folding lines a and b are parallel to the flexible packaging bag 10, and is attached in close contact with the outside of the flexible packaging bag 10. The shape can be made. The shape of the sleeve material 20 may be a tapered shape instead of a rectangle, as shown in FIG. 2C, and the opening of the flexible packaging bag 10 is facilitated by a shape that spreads upward. On the other hand, the composite container 1 can be made self-supporting easily by having a shape spreading downward.

The sleeve polygonal line a is a both sides, in each predetermined position of b is provided with a more pushing portions A, B to the folded line. By simultaneously pushing the pushing portions A and B inward, concave portions are formed on both side portions so that the flat sleeve material 20 can be opened in a substantially convex lens shape, and the opened state is maintained. The shape can be used.

  As the first shape of the push-in portions A and B, as shown in the development view of the blank in FIG. 3A, the blank 20A includes an inner rear plate 21, a front plate 22, and an outer rear plate 23, and a sleeve broken line a. , B. The sleeve fold lines a and b are respectively formed on the sides of the sleeve fold lines a and b with the axis of symmetry as the axis of symmetry, and the outer fold lines m and n are provided in the U shape and the reverse shape, and the inner portions thereof are rhombuses, respectively. The pushing portions A and B are shown in FIG. In this push-in portion A, there is provided a push-in assist folding line o that connects the substantially central portions of the outside push-down folding lines m and n and is orthogonal to the sleeve folding line a. Similarly, in the push-in portion B, there is provided a push-in assist fold line o ′ that connects the substantially center portions of the push-out fold lines m ′ and n ′ and is orthogonal to the sleeve fold line b. The opened state can be maintained by folding the push-in auxiliary folding lines o and o ′. In addition, the indented outer fold lines m and n and the indented outer fold lines m ′ and n ′ may be provided in an arc shape. In this example, the indented portions A and B are extended over the entire width of the sleeve folded lines a and b. Although provided, it may be provided in a part of the sleeve fold lines a and b. In addition, the shapes of the outside push-in fold lines m, n, m ′, n ′, and the push-in auxiliary fold lines o, o ′ may be perforations, lead creases, half-cuts, and the like.

  Further, as a similar shape of the first shape, as shown in FIG. 3B, the push-in folding lines m and n are provided in a circular arc shape so as not to intersect the sleeve folding lines a and b, and both ends do not intersect. It is good also considering the inner part as the pushing parts A and B, respectively. By using this shape, it becomes easy to be independent.

In the first shape, as shown in FIG. 4A, the front plate 22, the inner rear plate 21 or the outer rear plate 23 of the sleeve material 20 is provided with sleeve auxiliary folding lines c parallel to the sleeve folding lines a and b. . By providing this sleeve auxiliary folding line c, the composite container 1 can be easily inflated from a flat shape to a substantially convex lens shape. Further, the sleeve auxiliary fold line c may be partially provided in the upper part or the lower part . As shown in FIG. 4- b, when the sleeve auxiliary fold line c is partially provided in the upper part, the opening of the flexible packaging bag 10 should be widened. As shown in FIG. 4- c, the composite container 1 can be made to stand by itself when it is partially provided in the lower part. Furthermore, a plurality can be provided.

  While the sleeve material 20 is folded and in close contact with the outer periphery of the soft packaging bag 10, it is attached to the outer periphery of the soft packaging bag 10 to integrally form the composite container 1. The packaging bag 10 is not exposed from the sleeve material 20, and preferably, the lower side of the sleeve material 20 and the lower side of the flexible packaging bag 10 are in the same position. On the other hand, on the upper side, an opening means such as a tear line provided on the upper side of the flexible packaging bag 10 is exposed so that the flexible packaging bag 10 can be easily opened. Although it will not specifically limit within the range if said conditions are satisfy | filled, in order to ensure the self-supporting property of the composite container 1, the height of the sleeve material 20 is set to the height of the flexible packaging bag 10. The height is preferably ½ or more.

FIG. 5 is a diagram for explaining an example of the manufacturing process of the composite container according to the present invention. First, the contents are filled and packaged in the flexible packaging bag 10 by a known method, and are hermetically sealed. Next, the sleeve material 20 is mounted at a predetermined position on the outer periphery of the soft packaging bag 10. As shown in FIG. 5A, a blank of the strip-shaped sleeve material 20 is wound around the flexible packaging bag 10 and the inner rear plate 21 and the outer rear plate 23 of the sleeve material 20 are formed on the rear surface of the flexible packaging bag 10 as shown in FIG. And paste together at the overlapping part. At this time, the sleeve material 20 and the flexible packaging bag 10 are partially bonded, and the bonding portion H is a vertical portion at the center of the sleeve material 20 and the flexible packaging bag 10. If they are pasted together on the entire surface, it will be difficult to open. Next, as shown in FIG. 5B, the outer rear plate 23 is overlapped with the inner rear plate 21 and bonded at the bonding portion h to complete the composite container 1 in which the sleeve material 20 is mounted on the outer side of the flexible packaging bag 10. The shape of the adhesion portions H and h is an example, and is not particularly limited to the shape of this example.

  For the printing on the soft packaging bag 10 and the sleeve material 20, any conventionally known printing method may be adopted. In the case of a laminate, a printing layer may be provided as the outermost layer, or a so-called back printing method in which the printing layer is an intermediate layer may be employed. As shown in FIG. 1, the composite container 1 according to the present invention has a display effect because it has a shape in which a sleeve material 20 made of paperboard is mounted on a soft packaging bag 10. Compared to, the appeal effect at the store becomes larger.

FIG. 6 is an explanatory diagram for actually using the composite container 1 according to the present invention. First, as shown in FIG. 6A, the flexible packaging bag 10 is opened by tearing a tear line which is an opening means 11 provided at the upper edge portion of the flexible packaging bag 10 of the composite container 1 according to the present invention. Even in this state, the contents can be taken out. Next, as shown in FIG. 6B, the pushing portions A and B provided on both side portions of the sleeve material 20 are simultaneously pushed inward to open the sleeve material 20 and simultaneously open the flexible packaging bag 10. it can. The contents can be easily taken out in the opened state. The push-in portions A and B can be returned to their original flat shape and resealed as they are. However, the characteristic of the composite container 1 according to the present invention is that it can be left standing in an open state as shown in FIG. It can be done.

  The composite container according to the present invention can be applied to products such as snack foods, confectionery, and health foods, and has a shape that can be suitably used as a container for storing stick-shaped contents.

It is a perspective view which shows the composite container by this invention. It is a perspective view which shows each member which comprises the composite container by this invention. It is an expanded view which shows the example of the blank of the sleeve material which comprises the composite container by this invention. It is a figure which shows the shape of the sleeve auxiliary broken line provided in the sleeve material which comprises the composite container by this invention. It is the schematic explaining an example of the manufacturing method of the composite container by this invention. It is a figure explaining the method of actually using the composite container by this invention.

1 composite container
10 flexible packaging bag 11 opening means 20 sleeve member 20A blank
After the outer back plate 22 front plate 23 within 21 plate A push portion B push portion a sleeve polygonal b sleeve polygonal line c sleeve auxiliary fold line m, m'pushing out the polygonal line n, n'pushing out the polygonal line o, o'pushing auxiliary crease line
H and h bonding parts

Claims (4)

A composite container in which an outer surface of a flexible packaging bag and an inner surface of a sleeve material are attached by being partially adhered to each other at a central vertical portion between both sides, and facing sleeves that are both sides of the sleeve material A part of the polygonal line or both sides of the entire side are provided with an outer folding line in the shape of a circle (reverse letter) or a substantially arc shape, and the inner part formed by the outer folding line is a pushing part, A sleeve auxiliary fold line parallel to the sleeve fold line is provided between the opposing sleeve fold lines of the sleeve material, and the push-in portion is pushed inward to open the flexible packaging bag and to maintain the open state and to be self-supporting. A composite container characterized by imparting properties.   2. The composite container according to claim 1, wherein the outer push-in fold line is provided so that an upper end and a lower end intersect on the sleeve fold line.   2. The composite container according to claim 1, wherein the push-in outer fold line is provided in a shape in which an upper end intersects the sleeve fold line and a lower end does not intersect the sleeve fold line.   2. The composite container according to claim 1, wherein in the push-in portion, a push-in auxiliary fold line is provided to connect the substantially center portions of the push-out outer fold line and intersect the sleeve fold line.

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