JP5782756B2 - Composite container - Google Patents

Description

  The present invention relates to a composite container.

  Conventionally, there are many known containers that maintain the open state of a flexible packaging bag using the rigidity of paperboard. For example, in the composite container of Patent Document 1, a push-in portion having a substantially U-shaped or substantially arc-shaped push-out fold line is provided in the vicinity of a pair of bent portions of the sleeve material that is adhesively fixed to the outer surface of the flexible packaging bag. Some are configured to maintain the open state of the flexible packaging bag by the outer broken line.

JP 2006-240670 A

  However, in the configuration in which the pushing portions are provided on both the left and right sides, it is difficult to collect the contents in the central region that has been greatly deformed when the contents remain, and the contents can be easily taken out even if a finger is inserted into the opening. There is a problem that can not be. Further, when the composite container is tilted and the contents are brought out to the outside, there is also a problem that the left and right sides of the upper part with a small opening obstruct the passage of the contents. Furthermore, when the width dimension of the soft and flexible packaging bag is reduced, there is a problem that a push-in area necessary for deforming the exterior body cannot be secured, and the types of composite containers that can be manufactured are limited.

  Therefore, the present invention opens the flexible packaging bag so that the passage of the content is not hindered even when the content is reduced, and does not depend on the width of the flexible packaging bag. It is an object of the present invention to provide a composite container that can be manufactured.

As a means for solving such a problem, the present invention is a three-sided seal type soft packaging bag surrounded by a side end bent part, a side end seal part, an upper end seal part and a lower end seal part, and
A first bent portion provided on the paperboard so as to extend along the side end seal portion of the flexible packaging bag, and a paperboard so as to extend along the side end bent portion of the flexible packaging bag. to be fixed to the flexible packaging bag is folded in the second folding unit and a pair of bent portions constituted by provided, and a sheath which covers at least a portion of the front and rear surfaces of the outer periphery of the soft package bag In the composite container provided,
The exterior body is provided with push-in portions on both front and rear surfaces of the exterior body along only the second bent portion.

In the flexible packaging bag, it is preferable that an opening notch is formed at a peripheral edge of the side end seal portion, and the opening notch is formed above an upper end of the first bent portion.
The pushing portion is configured to be bilaterally symmetric with respect to the second bent portion as an axis of symmetry, and intersects the pair of mountain fold portions extending from the upper side to the lower side of the exterior body, and the second bent portion. while preferably it has a valley fold portion extending between the pair of mountain-folded portion.

  It is preferable to provide a horizontal slit at least at the upper end of the pushing portion.

  The exterior body preferably extends to the lower end of the flexible packaging bag.

The push-in portion is configured to be bilaterally symmetric with respect to the second bent portion as a symmetry axis, and a pair of mountain fold portions extending from the upper end to the lower end of the exterior body, and the second fold portion above the exterior body . It is preferable to have two valley fold lines extending between the pair of mountain fold portions while intersecting with the bent portions .

  According to the present invention, the state in which either one of the left and right sides is greatly opened is maintained, so even if the amount of the content is reduced, the contents are gathered together in the larger opening, and the finger is placed in the opening. By inserting or tilting the container itself, the contents can be taken out or easily transferred to another container as it is. Moreover, even if the width of the flexible packaging bag is small, it is possible to secure a pushing area necessary for deformation of the exterior body, and as a result, various types of composite containers that can be easily taken out and transferred are manufactured. It is possible.

It is a perspective view of the composite container which concerns on 1st Embodiment of this invention. It is a perspective view of the flexible packaging bag which comprises the composite container of FIG. It is an expanded view of the exterior body which comprises the composite container of FIG. It is a perspective view of the composite container of FIG. 1 which shows the state which pushed in the pushing part. It is a perspective view of the composite container which concerns on 2nd Embodiment of this invention. It is an expanded view of the exterior body which comprises the composite container of FIG. It is a perspective view of the composite container of FIG. 5 which shows the state which pushed the pushing part.

  Hereinafter, the composite container according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 shows a composite container 1 according to the first embodiment of the present invention. A composite container 1 according to this embodiment includes a substantially rectangular soft packaging bag 2 and an exterior body 3 that covers the upper outer surfaces of the front and rear surfaces of the soft packaging bag 2.

  FIG. 2 shows a flexible packaging bag 2 constituting the composite container 1 according to the first embodiment of the present invention. The material of the flexible packaging bag 2 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. When making a bag by heat sealing, in addition to such a base film, a laminate in which a heat-sealable resin layer is laminated is used. In the present invention, as the heat-sealable resin layer, 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 polymer, polyethylene or Polyolefin resins such as polypropylene modified with unsaturated carboxylic acids such as acrylic acid, methacrylic acid, maleic acid, maleic anhydride, fumaric acid, itaconic acid, polyvinyl acetate resin, poly (meth) acrylic Resin, poly salt It can be used a film such as a vinyl resin. In addition, as a shape of the flexible packaging bag 2, in order to perform smoothly the operation which pushes the bending part 9b inside in the state which comprised the composite container 1, what has a bending part at least on one side is preferable. For example, a three-side seal bag and a pillow bag can be mentioned.

  The flexible packaging bag 2 is formed by folding a layered product of the above-mentioned laminated body into two, making the inner surface of the heat-sealable resin layer face each other, and heat-sealing the periphery excluding the bent portion. . The flexible packaging bag 2 has a peripheral seal part 4 and an opening notch part 5. The peripheral seal portion 4 defines a storage portion in the flexible packaging bag 2 and encloses the contents 6 stored in the storage portion in the flexible packaging bag 2.

  FIG. 3 shows a state where the exterior body 3 constituting the composite container 1 according to the present embodiment is developed. The outer package 3 is made of paperboard having a long side facing up and down and a short side facing left and right. As shown in FIG. 3, the paperboard used for the exterior body 3 is connected to the rectangular front region 7 and rear surface region 7 ′ connected at one side end and the other side end of the front region 7. Cutting, punching, or the like is performed in a shape that is partitioned into a vertically long trapezoidal adhesive margin flap 8.

  As described above, the outer package 3 covers the upper outer surfaces of the front and rear surfaces of the flexible packaging bag 2 and has a pair of bent portions 9 a and 9 b and a push-in portion 10.

  The pair of bent portions 9a and 9b includes a mountain fold line that folds the front surface region 7 and the rear surface region 7 ', and a mountain fold line that folds the boundary between the front surface region 7 and the adhesive margin flap 8. From the unfolded state shown in FIG. 3, the front area 7 and the rear area 7 ′ are made to face each other by folding the bent portions 9 a and 9 b, and the adhesive flap 8 is overlapped and adhered to the rear area 7 ′. A body 3 is formed.

  The pushing portion 10 defines a leaf-like region gently curved outward, and has a horizontal slit 11, a pair of mountain fold lines 12, 12 ′, and a valley fold line 13. The horizontal slit 11 is formed at the upper end of the push-in portion 10 above the bent portion 9b side, and is orthogonal to the bent portion 9b, but each of the front region 7 and the rear region 7 ′ with the bent portion 9b as an axis of symmetry. To the same length. The horizontal slits may be provided not only at the upper end of the push-in portion 10 but also at the lower end so that the lower part of the exterior body 3 is greatly deformed. The pair of mountain fold lines 12 and 12 'are configured symmetrically with the bent portion 9b as the axis of symmetry, and gently curved outward from the position near the end of the horizontal slit 11 to the lower end of the bent portion 9b. Extend. The valley fold line 13 extends horizontally from approximately the center of the front-side mountain fold line 12 to approximately the center of the rear-side mountain fold line 12 'while being orthogonal to the bent portion 9b.

  Next, a method of using the composite container 1 according to the present embodiment and its operation will be described.

First, the upper end portion of the flexible packaging bag 2 is cut and opened using the opening notch 5. Next, when the bent portion 9b with the push-in portion 10 is pushed inward to a predetermined position while holding the thumb and four fingers other than the pair of bent portions 9a and 9b, the push-in portion 10 Is developed with the bent portion 9b as the central axis, and as shown in FIG. 4, the exterior body 3 bulges both the front and rear sides so as to spread widely toward the bent portion 9b, and maintains the bulged state. . In addition, since the pushing part 10 and the upper part are isolate | separated by the horizontal slit 11, it is possible to push in the pushing part 10 deeply, and when the pushing part 10 is deformed, it is in the pushed state. It is also possible to maintain the state as it is without releasing it. As the exterior body 3 bulges, the flexible packaging bag 2 is also deformed and maintains a state of being greatly opened toward the left peripheral edge.

When the deformation of the exterior body 3 is completed, the user does not need to push the soft packaging bag 2 with his / her finger to open the contents 6 and usually the upper left side of the soft packaging bag 2 having a large opening. The stick-like contents 6 may be taken out by inserting a finger into the box. Since the exterior body 3 always maintains the above open state of the flexible packaging bag 2, when the amount of the content 6 decreases, the composite container 1 is tilted to bring the content 6 into the bulging left region. Collect it after collecting it. Thus, in the composite container 1 according to the present embodiment, it is possible to always ensure a state in which the contents 6 can be easily taken out regardless of the amount of the contents. When the contents are powder, spherical shape, etc., the composite container 1 is tilted and passed through the opening of the flexible packaging bag 2. At this time, the upper left side of the flexible packaging bag 2 is greatly opened. Therefore, it is possible to smoothly transfer the contents to a container or the like while adjusting the amount of the contents.

According to this embodiment, the indentation space required for deformation of the outer body 3, because it is formed only on one side end, be configured elongated soft, packaging bag 2, can be provided pushing area It is possible to manufacture a wide variety of composite containers 1.

  FIG. 5 shows a composite container 1 according to the second embodiment of the present invention. The composite container 1 according to the present embodiment is the same as the first embodiment except that the configuration of the exterior body 3 is different. Therefore, the same portions are denoted by the same reference numerals and the description thereof is omitted. And

  FIG. 6 shows a state in which the exterior body 3 constituting the composite container 1 according to this embodiment is developed. The exterior body 3 is made of a paperboard having long sides arranged in a wavy shape with the short sides facing left and right. As shown in FIG. 6, the paperboard used for the exterior body 3 has a front trapezoidal shape connected to the front side region 7 and the rear side region 7 ′ connected at one side end and the other side end of the front side region 7. Are cut, punched, etc. in a shape that is partitioned into the adhesive margin flap 8.

  The exterior body 3 covers the outer surface except for the upper end sides of the front and rear surfaces of the flexible packaging bag 2 and has a pushing portion 10.

  The pushing portion 10 defines a leaf-like region gently curved outward, and has a pair of mountain fold lines 12, 12 ', an upper valley fold line 13a, and a lower valley fold line 13b. The pair of mountain fold lines 12 and 12 'are configured symmetrically with respect to the bending portion 9b as a symmetry axis, and are gently curved outward, and the exterior body near the lower end of the bending portion 9b from the upper end of the bending portion 9b. 3 extends to the lower edge. The upper valley fold line 13a extends horizontally from above the front-side mountain fold line 12 to above the rear-side mountain fold line 12 'while being orthogonal to the bent portion 9b. The lower valley fold line 13b extends horizontally from the approximate center of the front side fold line 12 to the approximate center of the rear fold line 12 'while being orthogonal to the bent portion 9b below the upper valley fold line 13a. Exists.

  About the composite container 1 which concerns on 2nd Embodiment, since the area | region covered with the exterior body 3 is extended to the lower end of the flexible packaging bag 2, the structure which can become independent when the pushing-in part 10 is pushed in and the exterior body 3 is deformed. And can be placed on a table or the like. Except for such a self-supporting function, the method of use and the operation thereof are the same as those in the first embodiment, and therefore description thereof will be omitted.

  About the composite container 1 which concerns on this invention, the area | region which covers the flexible packaging bag 2 with the exterior body 3 is not limited to embodiment mentioned above, For example, the area | region covered with the exterior body 3 is the upper and lower sides of the flexible packaging bag 2 You may extend | stretch to both ends and you may comprise so that the whole outer peripheral surface of the soft packaging bag 2 may be covered with the exterior body 3.

DESCRIPTION OF SYMBOLS 1 Composite container 2 Soft packaging bag 3 Exterior body 4 Peripheral seal part 5 Uncut part 6 Contents 7 Front area 7 'Rear area 8 Paste flap 9a, 9b Bending part 10 Pushing part 11 Horizontal slit 12, 12' Mountain Fold line 13 Valley fold line 13a Upper valley fold line 13b Lower valley fold line

Claims (6)

A three-sided seal type soft packaging bag surrounded by a side end bent part, a side end seal part, an upper end seal part and a lower end seal part ;
A first bent portion provided on the paperboard so as to extend along the side end seal portion of the flexible packaging bag, and a paperboard so as to extend along the side end bent portion of the flexible packaging bag. to be fixed to the flexible packaging bag is folded in the second folding unit and a pair of bent portions constituted by provided, and a sheath which covers at least a portion of the front and rear surfaces of the outer periphery of the soft package bag In the composite container provided,
The outer packaging body is provided with a push-in portion along both the front and rear surfaces of the outer packaging body along only the second bent portion. 2. The flexible packaging bag according to claim 1, wherein an opening notch is formed in a peripheral edge of the side end seal portion, and the opening notch is formed above an upper end of the first bent portion. A composite container according to 1. The pushing portion is
A pair of mountain folds configured to be bilaterally symmetric with respect to the second bent part, and extending from above to below the exterior body;
The composite container according to claim 1 , further comprising a valley fold portion extending between the pair of mountain fold portions while intersecting with the second bent portion . The composite container according to any one of claims 1 to 3, wherein a horizontal slit is provided at least at an upper end of the pushing portion. The composite container according to any one of claims 1 to 3, wherein the exterior body extends to a lower end of the flexible packaging bag. The pushing portion is
A pair of mountain folds configured to be bilaterally symmetric with respect to the second bent portion, and extending from the upper end to the lower end of the exterior body;
6. The apparatus according to claim 5 , further comprising two valley fold lines extending between the pair of mountain fold portions while intersecting the second bent portion above the exterior body. Composite container.

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