JP2011063319A - Composite container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a composite container which consists of a flexible packaging bag and a sleeve material mounted on the outer periphery, can be held under an open condition, can provide a self-standing property, and can suppress an increase in cost. <P>SOLUTION: In the composite container formed by approximately closely bonding and mounting the sleeve material on the outer face of the flexible packaging bag, pressed portions are respectively provided at corresponding positions of side parts of both sides of the sleeve material, and opening is performed by pushing the pressed portions inward, and the open condition is held to provide the self-standing property. The pressed portions have a shape in that opposing sleeve folding lines being the sides of both sides of the sleeve material are made to be axes of symmetry, and pressed external folding lines are respectively provided on both sides in V shapes or approximately circular arc shapes, and inside parts formed by the pressed external folding lines are respectively made to be the pressed portions. <P>COPYRIGHT: (C)2011,JPO&INPIT

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, a composite container according to the present invention is a composite container in which a sleeve material is mounted in close contact with the outer surface of a flexible packaging bag, and is located at corresponding positions on both sides of the sleeve material. Each of the composite containers is provided with a push-in portion, and the push-in portion is pushed inward to open and maintain the open state to provide self-supporting property.

  As the first shape, the shape of the push-in portion is provided with a push-out outer fold line in the shape of a circle or a substantially circular arc on a part of the opposite sleeve fold line or both sides of the sleeve material. 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 portion, for example, the push-out outer fold lines are arranged at the upper end and the lower end 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.

  In addition, as a second shape, an indented cut line that intersects each sleeve fold line that is on both sides of the sleeve material is provided, and an indented fold line is provided downward or upward from both ends of the push cut line, and the indent The inner portions formed by the cut line and the push-in outer fold line are the push-in portions, respectively, and the push-out fold line is provided so as to intersect with the sleeve fold line.

  Furthermore, as a third shape, two incision break lines intersecting each sleeve fold line that is both sides of the sleeve material are provided, both ends of the incision break line are connected to each other, and an outer fold line is provided, Each of the inner portions formed by the indented line and the indented outer bent line is used as the indented part.

  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.

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 the perspective view which shows another example of the sleeve material which comprises the composite container by this invention, and the expanded view of a blank. It is the perspective view which shows another example of the sleeve material which comprises the composite container by this invention, and the expanded view of a blank. 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.

  Hereinafter, the present invention will be described in more detail with reference to the drawings. FIG. 1 is a perspective view of a composite container according to the present invention. The composite container 1 according to the present invention is composed of a flexible packaging bag 10 and a sleeve material 20 made of paperboard. The sleeve material 20 is wound around the outer periphery of the flexible packaging bag 10, and as shown in FIG. The sleeve material 20 is folded and attached to the outer periphery of the soft packaging bag 10 in close contact with the flat 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 sheet is used as a basic material. Specifically, for example, a polyester resin, a polyamide resin, a polyaramid resin, a polyolefin resin Polycarbonate resins, polystyrene resins, polyacetal resins, fluorine resins, and the like can be used. As the plastic film or sheet, either an unstretched film or a stretched film stretched in a uniaxial direction or a biaxial direction can be used. In general, a laminate in which a heat-sealable film is laminated on the base film as described above when a bag is made is used. In the present invention, examples of the heat-sealable film include low density polyethylene, medium density polyethylene, high density polyethylene, linear (linear) low density polyethylene, polypropylene, ethylene-vinyl acetate copolymer, ionomer resin, and ethylene. -Acrylic acid copolymer, ethylene-ethyl acrylate copolymer, ethylene-methacrylic acid copolymer, ethylene-methyl methacrylate copolymer, ethylene-propylene copolymer, methylpentene polymer, polybutene polymer, polyethylene or polypropylene Polyolefin resins such as acrylic acid, methacrylic acid, maleic acid, maleic anhydride, fumaric acid, itaconic acid, and other acid-modified polyolefin resins, polyvinyl acetate resins, poly (meth) acrylic resins Resin, plastic It can be used vinyl chloride resin, the resin of the other such as a film or a sheet.

  The flexible packaging bag 10 uses the laminated body as described above, faces the heat-sealable resin layer of the inner layer facing each other, folds it, or overlaps the two sheets, and its periphery The end portion is heat-sealed to provide a seal portion to form a bag. As the bag making method, the above laminated body is folded with its inner layer faces facing each other, or two of them are overlapped, and the peripheral edge of the outer periphery is, for example, a side seal type, two-way seal Heat seal by heat seal form such as mold, three-side seal type, four-side seal type, envelope sticker seal type, joint seal type (pillow seal type), pleated seal type, flat bottom seal type, square bottom seal type, etc. Various forms of the flexible packaging bag 10 according to the invention can be manufactured. In the above, as a heat sealing method, for example, a known method such as a bar seal, a rotary roll seal, a belt seal, an impulse seal, a high frequency seal, and an ultrasonic seal can be used.

  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.

  In addition, push-in portions A and B are provided at predetermined positions of the sleeve broken lines a and b on both sides by a broken line, a broken line, and the like. 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 pushing 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 to each other and is orthogonal to the sleeve folding line a. Similarly, in the push-in portion B, a push-in auxiliary fold line o ′ that is orthogonal to the sleeve fold line b is provided by connecting substantially the center portions of the push-out fold lines m ′ and n ′. The opened state can be maintained by folding the push-in assist 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. Further, the shapes of the indented outer fold lines m, n, m ′, n ′ and the indentation auxiliary fold lines o, o ′ may be perforations, lead creases, half-cuts, etc. in addition to the ruled lines.

  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.

  Further, as shown in FIG. 3C, the upper portions of the push-in outer fold lines m and n are provided in a circular arc shape so as not to intersect the sleeve fold lines a and b, and the lower portion is straight and does not intersect the sleeve fold lines a and b. It is good also as the pushing parts A and B in the inner part which it provides and the both ends do not cross | intersect. By using this shape, it becomes easier to be independent.

  As the second shape of the pushing portions A and B, as shown in the development view of the blank of FIG. 4A, the blank 20B is the same as the blank 20A, the inner rear plate 21, the front plate 22, and the outer rear plate. 23 are connected through the sleeve broken lines a and b. Then, an orthogonal push-off line p is provided at a substantially central portion of the sleeve fold line a, and push-out fold lines q and r are provided obliquely downward from both ends of the sleeve fold line a so as to intersect on the sleeve fold line a. The pushing part A is an isosceles triangle. Similarly, at the substantially central portion of the sleeve broken line b, an orthogonal push-off line p ′ is provided, and from both ends, the push-out outer broken lines q ′ and r ′ are provided so as to intersect with each other on the sleeve broken line b, The inner part is an isosceles triangular pushing part B. As shown in FIG. 4B, the pushed-in portions A and B are pushed in, and the portions of the pushed-in sleeve folding lines a and b are folded back inward, so that the opened state can be maintained.

  As the third shape of the pushing portions A and B, as shown in the development view of the blank of FIG. 5A, the blank 20A is the same as the blank 20A, the inner rear plate 21, the front plate 22, and the outer rear plate. 23 are connected through the sleeve broken lines a and b. The sleeve fold line a is provided with two indented cut lines s and t that are orthogonal to the sleeve fold line a and parallel to each other. Is a quadrilateral pushing portion A. Similarly, the sleeve broken line b is provided with two indented cut lines s ′ and t ′ perpendicular to the sleeve broken line a and parallel to each other, and both ends thereof are provided with indented outer bent lines u ′ and v ′, respectively. The inner portion is a quadrilateral pushing portion B. As shown in FIG. 5B, the pushed-in portions A and B are pushed in, and the portions of the pushed-in sleeve fold lines a and b are folded inward, whereby the opened state can be maintained.

In any of the first shape, the second shape, and the third shape, as shown in FIG. 6A, the front plate 22, the inner rear plate 21 or the outer rear plate of the sleeve material 20 is used. A sleeve auxiliary folding line c can be provided on the sleeve 23 in parallel with the sleeve folding lines a and b. By providing this sleeve auxiliary folding line c, the composite container 1 can be easily expanded from a flat shape to a substantially convex lens shape. Further, this sleeve auxiliary fold line c may be partially provided in the upper part or the lower part, and when it is provided partially in the upper part as shown in FIG. 6B, the opening of the flexible packaging bag 10 is widened. As shown in FIG. 6C, the composite container 1 can be made to stand up easily when partially provided in the lower part. Furthermore, a plurality can be provided.

  In addition, in the second shape and the third shape, the indentation cut line p or the indentation cut lines s, t, s ′, and t ′ are provided, but a punch hole may be provided along these cut lines. . By providing this punched hole, there is an effect that the pushing portions A and B are easily pushed.

  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. 7 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. 7A, 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. 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 preferably 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. 7B, 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. 8 is an explanatory diagram for actually using the composite container 1 according to the present invention. First, as shown in FIG. 8A, the flexible packaging bag 10 is opened by tearing a tear line which is the 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. 8B, 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.

1 Composite container 1A Composite container (first shape)
1B Composite container (second shape)
1C Composite container (third shape)
DESCRIPTION OF SYMBOLS 10 Soft packaging bag 11 Opening means 20 Sleeve material 20A Blank (1st shape)
20B blank (second shape)
20C blank (third shape)
21 Inner rear plate 22 Front plate 23 Outer rear plate A Push-in part B Push-in part a Sleeve broken line b Sleeve broken line c Sleeve auxiliary folded line m, m ′ Push-out broken line n, n ′ Push-out broken line o, o ′ Push-cut line p, p 'broken line q, q' broken line r, r 'pushed broken line s, s' pushed broken line t, t' pushed broken line u, u 'pushed broken line v, v' pushed broken line H, h Adhesive part

Claims (9)

  A composite container in which a sleeve material is mounted on the outer surface of a flexible packaging bag in close contact with each other, provided with pushing portions at corresponding positions on both sides of the sleeve material, and pushing the pushing portions inwardly. The composite container is characterized in that it is opened, and the open state is maintained and self-supporting property is imparted.   2. The composite container according to claim 1, wherein a shape of the sleeve material when folded into a flat shape is a rectangle in which opposing sleeve fold lines on both sides are parallel to each other.   The composite container according to claim 1 or 2, wherein a height of the sleeve material is set to a height of ½ or more of a height of the flexible packaging bag.   The composite container according to claim 1, wherein an outer surface of the flexible packaging bag and an inner surface of the sleeve material are partially bonded.   The composite container according to claim 1, wherein a sleeve auxiliary fold line is provided between the opposing sleeve fold lines of the sleeve material.   The composite container according to any one of claims 1 to 5, wherein an outer broken line is provided around the sleeve broken line.   Each sleeve fold line that is on both sides of the sleeve material is provided with an indented cut line that intersects, and a push-out fold line is provided downward or upward from both ends of the push-off line, respectively. The composite container according to any one of claims 1 to 5, wherein each of the formed inner portions serves as the pushing portion.   The composite container according to claim 7, wherein the push-out outer fold line is provided so as to intersect with the sleeve fold line.   Two incision cut lines intersecting the respective sleeve broken lines which are both sides of the sleeve material are provided, both ends of the indentation cut lines are connected to each other, and an indentation outside fold line is provided, respectively. 6. The composite container according to any one of claims 1 to 5, wherein each of the inner portions formed by the step is used as the pushing portion.

Images