JP5266306B2 - Composite container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a composite container consisting of a flexible packaging bag and a sleeve material mounted on the outer periphery, capable of being held under an open condition, capable of providing self-standing property, and suppressing 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. <P>COPYRIGHT: (C)2011,JPO&amp;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 problems, the composite container according to the present invention is a composite container formed by adhering and attaching a sleeve material to the outer surface of a flexible packaging bag, respectively, at corresponding positions on both sides of the sleeve material. In the composite container that is provided with a push-in portion and is pushed inward to maintain the open state and imparts self-supporting property to each sleeve fold line that is both sides of the sleeve material, An indented cut line that intersects is provided, a push-out fold line is provided below or above from both ends of the push-cut line, and inner portions formed by the push-cut line and the push-out fold line are each the push portion, The composite container is characterized in that the push-in outer fold line intersects the sleeve fold line.

  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.

A NOTE diagram for explaining a composite container according to the invention. A NOTE diagram for explaining the respective members constituting the composite container according to the invention. The composite container according to the present invention is a development view of the shows to perspective and blank. It is a reference figure for demonstrating the shape of the sleeve auxiliary broken line provided in the sleeve material which comprises the composite container by this invention. It is the reference schematic for demonstrating an example of the manufacturing method of the composite container by this invention. It is a reference figure for demonstrating 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.

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

FIG. 3 is a perspective view showing such a composite container of the present invention and a development view of the present invention showing an example of a blank of the sleeve material.

In addition, FIGS. 1, 2 and 4 to 6 are reference diagrams for a composite container (which is the same as the composite container of the present invention except that the push-in portion is different) for reference in understanding the present invention. is there.

Hereinafter, the composite container of the present invention, each member constituting the composite container, the blank of the sleeve material, the shape of the sleeve auxiliary folding line, an example of the manufacturing method, and the method of actual use will be described with reference to these drawings .

The composite container 1 according to the present invention comprises 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 is shown in FIG. As shown, the sleeve material 20 is attached to the outer periphery of the flexible packaging bag 10 in a state of being in close contact with the flat flexible packaging bag 10 and being folded. 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 end, the sleeve material 20 opens from a flat shape to a substantially convex lens shape, and maintains the state as it is as shown in FIG. Can do. 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 a reference diagram for explaining each member constituting the composite container according to the present invention . Also not a soft packaging bag 10, as shown in FIG. 2-a, a general flat packaging bag is provided with opening means 11 of the cut line such as 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.

FIG. 3 is a perspective view showing a composite container according to the present invention and a development view of a blank.

  As the shapes of the push-in portions A and B, as shown in the development view of the blank of FIG. 3A, the blank 20B includes the inner rear plate 21, the front plate 22, and the outer rear plate 23 via sleeve fold lines a and b. Are connected. 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. 3B, 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.

FIG. 4 is a reference diagram for explaining the shape of the sleeve auxiliary fold line provided in the sleeve material constituting the composite container according to the present invention.

As shown in FIG. 4A, a sleeve auxiliary folding line c can be provided on the front plate 22, the inner rear plate 21 or the outer rear plate 23 of the sleeve material 20 in 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 at the upper part or the lower part, and when it is provided partially at the upper part as shown in FIG. 4-b, the opening of the flexible packaging bag 10 is widened. As shown in FIG. 4C, the composite container 1 can be made to stand up easily when partially provided in the lower part. Furthermore, a plurality can be provided.

  Moreover, although the pushing cut line p is provided, you may provide a punch hole 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. 5 is a reference schematic diagram for explaining an example of a method for producing a composite container according to the present invention. Also not a, filled packing contents into the flexible packaging bag 10 in a known manner, a hermetically sealed state. 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, the attachment is performed by winding a blank of the strip-shaped sleeve material 20 around the flexible packaging bag 10 and forming the inner rear plate 21 and the outer rear plate 23 of the sleeve material 20 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. 5B, the outer rear plate 23 is overlapped on 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 a reference diagram for explaining a method of actually using the composite container according to the present invention. Also not a, as shown in FIG. 6-a, tore tear lines are opening means 11 provided on the upper edge of the flexible packaging bag 10 of composite container 1 according to the invention to open the flexible packaging bag 10. 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 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.

DESCRIPTION OF SYMBOLS 1 Composite container 10 Soft packaging bag 11 Opening means 20 Sleeve material 20B Blank 21 Inner rear board 22 Front board 23 Outer rear board A Pushing part B Pushing part a Sleeve broken line b Sleeve broken line c Sleeve auxiliary folding line p, p 'Pushing broken line q Q ′ Indented outside bending line r, r ′ Indented outside bending line H, h Adhesive part

Claims (7)

A composite container formed by adhering and attaching a sleeve material to the outer surface of a flexible packaging bag, provided with pushing portions at corresponding positions on both side portions of the sleeve material, and pushing the pushing portions inwardly. In the composite container that is open and maintains the open state and is provided with self-supporting properties, the sleeve break lines that are both sides of the sleeve material are provided with intersecting push break lines, from both ends of the push break lines. A push-out fold line is provided below or above, the inner portions formed by the push-off line and the push-out fold line are used as the push-in portions, respectively , and the push-out fold line is provided so as to cross the sleeve fold line.
A composite container characterized by that. 2. The composite container according to claim 1, wherein a height of the sleeve material is set to be a half or more of a height of the flexible packaging bag. Composite container according to claim 1 or 2, characterized in that bonding the outer surface and inner surface of the sleeve member of the flexible packaging bag partially. The composite container according to any one of claims 1 to 3 , 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 4, wherein a punched hole is provided along the cut-in line. The composite container according to any one of claims 1 to 5, 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. Shape when folded said sleeve member into a flat shape, according to claim 1-5 in which the sleeve fold line facing the both sides is characterized in that a shape extending above or below a shape in which a tapered rather than rectangular A composite container according to any one of the above.

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