JP6693488B2 - Packaging box - Google Patents

Description

  The present invention relates to packaging boxes.

BACKGROUND ART Conventionally, as a packaging box for storing a bottle or the like containing edible oil and seasonings, a packaging box having a handle hole for the purpose of improving handleability during transportation is known (see Patent Document 1).
In the packaging box of Patent Document 1, the wall portion for the handle hole defined by the score line is formed on the side wall. At the time of transportation, the wall portion for the handle hole is folded to the inner surface side of the side wall with fingers to form the handle hole in the side wall.

JP-A-2002-212542

  In the packaging box of Patent Document 1 described above, when forming the handholding hole, it is necessary to fold the handholding hole wall portion toward the inner surface side of the side wall, so that the stored item that comes into contact with the handholding hole wall portion is crushed. There was a risk of scratches and peeling of the surface print. This was particularly remarkable when the items to be stored were densely stored in the storage box.

  An object of the present invention is to solve the above-mentioned problems and to provide a packaging box that is unlikely to affect stored items when forming a handle hole.

In order to solve the above-mentioned problems, the packaging box of the present invention is provided with a bottom plate, a pair of front and rear end walls continuously provided at front and rear edges of the bottom plate, and an upper edge of one of the end walls. It has a top plate and a pair of left and right side walls. The packaging box includes a wall portion for a hand-held hole defined by a cutting guide wire on the side wall, and an insertion portion that is connected to the wall portion for the hand-held hole and into which a finger can be inserted. The wall part for the handgrip can be bent to the outer surface side of the side wall by fingers inserted through the insertion part. The side wall includes front and rear side flaps that are respectively connected to the both end walls, an upper flap that is connected to the top plate, and a lower flap that is connected to the bottom plate. The upper flap and the lower flap are joined to the outer surfaces of the front and rear side flaps. The wall part for the handle hole and the insertion part are located between the upper flap and the lower flap, and are formed over the front and rear side flaps.

  In the present invention, by folding the wall part for the handle hole toward the outer surface side of the side wall, to form the handle hole, when folding the wall part for the handle hole, the stored items are crushed, scratched, or surface printed. Problems such as peeling are unlikely to occur. Further, since the insertion portion is continuously provided on the wall portion for the hanging hole, when the wall portion for the hanging hole is bent, it is easy to put a finger on the wall portion for the hanging hole, and the wall portion for the hanging hole is easily bent. be able to.

The upper side flap and a lower flap, so positioned on the outer surface side of the front and rear side flaps, it is possible to prevent the the stored item ends of the upper flap and lower flap that rub against. As a result, it is possible to preferably prevent the surface of the stored item from being damaged or the printed matter (date information such as lot number or expiration date) on the surface of the stored item to be peeled off.
Further, if the wall portion for the handle hole and the insertion portion are located between the upper flap and the lower flap and are formed over the front and rear side flaps, it is easy to insert fingers into the insertion portion, and , It is easy to perform the operation when bending the wall part for the handle hole to the outer surface side of the side wall.

Further, a part of the cutting guide wire may enter the back surface side of the lower edge portion of the upper flap. With this configuration, the lower edge portion of the upper flap can be covered with the wall portion for the handle hole that is bent to the outer surface side of the side wall. Accordingly, when the packaging box is transported by inserting fingers into the hand-holding holes, the load is distributed to the front and rear side flaps and the upper flap, and the hand-holding holes are less likely to be pained.
Also, since the lower edge of the upper flap is covered with the wall for the handle hole, it is possible to prevent the finger from directly touching the lower edge of the upper flap when inserting the finger into the handle hole and transporting the packaging box. , It is hard for my fingers to hurt.

  Further, it is preferable that the handle hole wall portion includes a bent guide wire extending along a lower edge portion of the upper flap. With this configuration, the wall for the handle hole can be easily bent along the lower edge of the upper flap. Further, by forming a plurality of bending guide lines, the ease of bending is increased.

  Further, it is preferable that an end portion of the cutting guide wire is formed in a rounded shape. With this configuration, it is possible to preferably prevent the end portion of the wall portion for the handle hole from being torn from the side wall, and thus the durability of the wall portion for the hand hole is improved.

  Moreover, it is preferable that the insertion portion has a smaller area than the wall portion for the handle hole. With this configuration, it is possible to prevent the opening of the sidewall from being unnecessarily large, and thus the durability of the sidewall is improved.

  According to the present invention, it is possible to obtain a packaging box that can favorably prevent the stored items from being affected when the handle hole is formed.

It is the perspective view which looked at the packaging box concerning the embodiment of the present invention from the front upper right. It is a blank sheet of the packaging box which concerns on embodiment of this invention. It is a principal part enlarged right side view which showed the wall part for handle holes and the insertion part of the packaging box which concerns on embodiment of this invention. It is the figure which showed the procedure which opens the handle hole of the packaging box which concerns on embodiment of this invention, and is a perspective view which showed the state which inserted the finger in the insertion part. FIG. 6 is a diagram showing a procedure for opening the handle hole of the packaging box according to the embodiment of the present invention, in which a finger inserted in the insertion portion is hung on the wall portion for the handle hole, and the wall portion for the handle hole is folded to the outer surface side of the side wall. It is a perspective view showing the state where it started. It is the figure which showed the procedure which opens the handle hole of the packaging box which concerns on embodiment of this invention, and is a perspective view which showed the state which finished folding the wall part for handle holes to the outer surface side of the side wall. It is the figure which showed the cross section of the principal part of the packaging box which concerns on embodiment of this invention, and is sectional drawing which follows the VII-VII line of FIG.

Embodiments of the present invention will be described in detail with reference to the drawings as appropriate.
In the following description, the front, rear, left, right, up, and down directions are set for convenience of description of the packaging box, and do not limit the configuration of the packaging box.

  As shown in FIG. 1, the packaging box 1 is a wraparound type rectangular parallelepiped box. The packaging box 1 includes a bottom plate 10, a pair of front and rear end walls 11 and 12, a pair of left and right side walls 13 and 14, and a top plate 15. The packaging box 1 can store products such as bottles containing edible oil and seasonings.

As shown in FIG. 2, the packaging box 1 is formed by mountain-folding and valley-folding a blank sheet S obtained by cutting out a single cardboard sheet at each ruled line. The blank sheet S shown in FIG. 2 is arranged so that the inner surface side can be seen.
Each ruled line (folded line) of the blank sheet S is a linear groove formed by pressing the surface of the blank sheet S.
In addition, you may form a notch (half cut line etc.) in a ruled line. This makes it easier to fold the blank sheet S along the ruled line.

  As shown in FIG. 1, the bottom plate 10 is formed in a rectangular shape, and is formed so that the left-right direction is larger than the front-back direction. A front end wall (end wall) 11 and a rear end wall (end wall) 12 are connected to the front and rear edges of the bottom plate 10 via ruled lines L1 and L2.

The front end wall 11 rises upward from the front edge of the bottom plate 10. The front end wall 11 is formed perpendicular to the bottom plate 10. The front end wall 11 is formed in a substantially rectangular shape, and is formed slightly larger in the left-right direction than in the up-down direction.
A joining piece 16 is continuously provided on the upper edge of the front end wall 11 via a ruled line L4. The joining piece 16 extends in the left-right direction in a strip shape along the upper edge of the front end wall 11.

  The rear end wall 12 rises upward from the rear edge of the bottom plate 10. The rear end wall 12 is formed perpendicular to the bottom plate 10. The rear end wall 12 is formed in a rectangular shape corresponding to the front end wall 11, and is formed slightly larger in the left-right direction than in the vertical direction.

  A top plate 15 is continuously provided on the upper edge of the rear end wall 12 via a ruled line L3. The top plate 15 extends forward from the upper edge of the rear end wall 12. The top plate 15 has the same outer shape as the bottom plate 10, and is formed perpendicular to the front end wall 11 and the rear end wall 12.

  While bending the blank sheet S (see FIG. 2) along the ruled lines L1 to L4, the front end wall 11, the bottom plate 10, the rear end wall 12, by attaching and joining the joining piece 16 to the front inner surface of the top plate 15. The top plate 15 has a rectangular tubular shape.

  The right side wall 14 is formed perpendicular to the right edge of the bottom plate 10 and the right edge of the top plate 15. The right side wall 14 includes a front side flap 21 continuous with the front end wall 11, a rear side flap 22 continuous with the rear end wall 12, and an upper flap 31 continuous with the top plate 15. , A lower flap 32 that is continuously provided on the bottom plate 10.

  The front side flap 21 is connected to the right edge of the front end wall 11 via a ruled line L5. The front side flap 21 extends rearward from the right edge of the front end wall 11. The front side flap 21 is formed perpendicular to the front end wall 11.

  The rear side flap 22 is continuously provided on the right edge of the rear end wall 12 via a ruled line L6. The rear side flap 22 extends forward from the right edge of the rear end wall 12. The rear side flap 22 is formed perpendicular to the rear end wall 12.

  The length of the front side flap 21 and the rear side flap 22 in the front-rear direction is half the length of the bottom plate 10 and the top plate 15 in the front-rear direction. The right side surface of the packaging box 1 is closed by the side flaps 21 and 22.

  A wall portion 17a defined by a cutting guide line L17 is formed at a substantially central portion in the up-down direction of a front end portion (rear end portion) of the front side flap 21. Correspondingly, a wall portion 17a defined by the cutting guide line L17 is also formed at the tip portion (front end portion) of the rear side flap 22 (see FIGS. 1 and 2). Both side flaps 21 and 22 are butted against each other, and the wall portions 17a and 17a are connected to each other in the front-rear direction, thereby forming the wall portion 17 for the handle hole extending over the both side flaps 21 and 22 as shown in FIG. Has been done. When the packaging box 1 is transported, the handle hole wall portion 17 is bent to the outer surface side of the side wall 14 to form a handle hole 17A for hanging a finger, as shown in FIGS.

  Each cutting guide line L17 is formed by intermittently forming cuts, and has a substantially U-shape in a side view when the wall portions 17a, 17a are butted and connected to each other. Each notch penetrates the blank sheet S. As shown in FIG. 3, the upper end portion L17a of each cutting guide wire L17 enters the back surface side of the lower edge portion 31a of the upper flap 31. That is, the lower edge portion 31a of the upper flap 31 and the upper end portion L17a of each cutting guide line L17 intersect (overlap) in a side view. The upper end portion L17a of each cutting guide wire L17 is formed in a rounded shape that is convex upward. The upper end portion L17a does not necessarily have to enter the back surface side of the lower edge portion 31a of the upper flap 31, and may be partially overlapped with the lower edge portion 31a or may be disposed close to the lower edge portion 31a. Good. Further, the upper end portion L17a does not necessarily have to be formed in a rounded shape, and may be formed in a linear shape or an inclined shape.

  The wall part 17 for a handle hole is provided with the upper and lower folding guide lines L20 extending in the front-rear direction across the front and rear wall parts 17a, 17a. Each bending guide line L20 is formed by intermittently forming a linear cut, and is formed substantially parallel to the lower edge portion 31a of the upper flap 31. Each notch penetrates the blank sheet S. Of the upper and lower bending guide lines L20, the upper bending guide line L20 is arranged close to the lower edge portion 31a of the upper flap 31. The interval between the upper folding guide line L20 and the lower folding guide line L20 is set to be substantially the same as or larger than the thickness dimension of the blank sheet S. The bending guide line L20 may be formed by a half-cut notch, or may be formed by a linear groove formed by pressing the surface of the blank sheet S.

  The wall portion 17a on the front side of the wall portion 17 for the handle hole is separated from the side flap 21 on the front side by the cutting guide line L17 at the lower edge portion and the front edge portion, so that the side wall 14 of the side wall 14 is cut along the folding guide line L20. Can be bent to the outer surface side. Further, the rear wall portion 17a is separated from the rear side flap 22 by the cutting guide line L17 at the lower edge portion and the rear edge portion, so that the rear wall portion 17a is provided on the outer surface side of the side wall 14 along the bending guide line L20. Can be folded.

  At the front end (rear end) of the front side flap 21, a small wall 18a is formed continuously with the lower edge of the wall 17a (lower cutting guide line L17). The small wall portion 18a is separated from the side flap 21 by a cutting guide line L18. Corresponding to this, a small wall portion 18a defined by the cutting guide line L18 is also formed at the front end portion (front end portion) of the rear side flap 22. The side wall flaps 21 and 22 are butted against each other and the small wall portions 18a and 18a are connected to each other in the front-rear direction, thereby forming the insertion portion 18 extending over the both side wall flaps 21 and 22. The insertion portion 18 has a size that allows at least a finger to be inserted therein, and has an area smaller than that of the wall part 17 for the handle hole.

  Each cutting guide line L18 is formed by a notch that extends in the vertical direction. Each notch penetrates the blank sheet S. The lower end of each cutting guide line L18 is curved toward the rear end edge of the side flap 21 (the front end edge of the rear side flap 22).

  The front small wall portion 18a of the insertion portion 18 can be bent to the inner surface side of the side wall 14 by cutting the front edge portion from the front side flap 21 by the cutting guide line L18. Further, the rear small wall portion 18a can be bent to the inner surface side of the side wall 14 by separating the rear edge portion from the rear side flap 22 by the cutting guide line L18.

  The upper flap 31 is continuously provided on the right edge of the top plate 15 via a ruled line L8. The upper flap 31 extends downward from the right edge of the top plate 15. The upper flap 31 is formed perpendicular to the top plate 15.

  The length of the upper flap 31 in the vertical direction is about 1/3 of the length of the front and rear end walls 11, 12 in the vertical direction. The inner surface of the upper flap 31 is joined to the upper parts of the outer surfaces of the front and rear side flaps 21, 22 with an adhesive.

The lower flap 32 is continuously provided on the right edge of the bottom plate 10 via a ruled line L7. The lower flap 32 extends upward from the right edge portion of the bottom plate 10. The lower flap 32 is formed perpendicular to the bottom plate 10.
The vertical length of the lower flap 32 is about 1/3 of the vertical length of the front and rear end walls 11, 12. The inner surface of the lower flap 32 is joined to the lower portions of the outer surfaces of the pair of front and rear side flaps 21, 22 with an adhesive. That is, the wall portion 17 for the handle hole and the insertion portion 18 are formed by utilizing the space between the front and rear side flaps 21 and 22 exposed between the upper flap 31 and the lower flap 32.

  The left side wall 13 is formed perpendicularly to the left edge of the bottom plate 10 and the left edge of the top plate 15. The left side wall 13 and the right side wall 14 are bilaterally symmetrical. Like the right side wall 14, the left side wall 13 is composed of front and rear side flaps 21, 22 and an upper flap 31 (see FIG. 2) and a lower flap 32 (see FIG. 2). The insertion portion 18 is provided.

  As shown in FIGS. 1 and 2, a zipper 19 extending in the left-right direction is formed in the center of the top plate 15 in the front-rear direction. The zipper 19 is composed of two zipper-shaped cut lines L9 arranged side by side in the front and rear. Each zipper cut line L9 penetrates the blank sheet S. The zipper 19 functions as a tear strip that divides the top plate 15 into front and rear parts to open the top plate 15. A substantially H-shaped cut portion 19a is formed at the center of the zipper 19 in the left-right direction.

  On the left and right edges of the top plate 15, zipper-shaped cut lines L8a for opening are formed along the ruled lines L8. The unsealing cut line L8a is formed from the front end portion of the right edge portion (upper edge portion of the upper flap 31) of the top plate 15 to the right end portion of the zipper-shaped cut line L9 on the front side, and at the same time, the top plate 15 is formed. It is formed from the front end portion of the left edge portion (upper edge portion of the upper flap 31) to the left end portion of the zipper-shaped cut line L9 on the front side (see FIG. 2).

  Next, a procedure for forming the handle hole 17A when the packaging box 1 is lifted or transported will be described. Since the procedure for forming the handle hole 17A is the same on the left and right side walls 13 and 14, the procedure for forming the handle hole 17A on the right side wall 14 will be described below.

First, as shown in FIG. 4, the palm is applied to the side wall 14 and a fingertip such as the index finger or the middle finger is applied to the side surface of the small wall portion 18 a of the insertion portion 18.
After that, each of the small wall portions 18a is pushed toward the inside of the side wall 14 with a fingertip such as an index finger or a middle finger applied to the side surface.

  Then, each small wall portion 18a is separated from the front side flap 21 and the rear side flap 22 by the respective cutting guide line L18, and is placed inside the side wall 14 around the lower end portion of each small wall portion 18a. An opening is formed below each wall portion 17a of the handle hole wall portion 17 when the wall portion 17 falls. As a result, a part of the lower edge of each wall 17a is exposed in the formed opening.

  After that, as shown in FIG. 5, the tip of the inserted index finger, middle finger, or the like is hung on the lower edge of each wall 17a exposed in the opening so that each wall 17a is raised to the outer surface side of the side wall 14. Fold. Then, each wall 17a is separated from the front side flap 21 and the rear side flap 22 by the cutting guide line L17, and is bent to the outer surface side of the side wall 14 along the bending guide line L20.

  After that, as shown in FIG. 6, by bending each of the wall portions 17a so as to overlap with the outer surface of the upper flap 31, a handle hole 17A is formed in the side wall 14.

  In this case, since the upper end portion L17a of each cutting guide wire L17 of the wall portion 17a has entered the back surface side of the lower edge portion 31a of the upper flap 31, in the bent state as shown in FIGS. 6 and 7. The lower edge portion 31a of the upper flap 31 is covered with each wall portion 17a.

When taking out the stored items, the zipper 19 of the top plate 15 is opened, and the front side of the top plate 15 is cut open by the opening cut line L8a. Thereby, the stored items can be easily taken out from the packaging box 1.
Further, the handle hole 17A can be simply closed by returning the handle hole wall portion 17 bent to the outer surface side of the side walls 13 and 14 to the original state.

  In the present invention described above, since the hanging hole wall portion 17 is formed by bending the hanging hole wall portion 17 toward the outer surface side of the side walls 13 and 14, when the hanging hole wall portion 17 is folded, the stored items are It is unlikely that problems such as crushing, scratching, or peeling of the surface print will occur. Further, since the insertion portion 18 is continuously provided on the wall portion 17 for the hanging hole, it is easy to put a finger on the wall portion 17 for the hanging hole when the wall portion 17 for the hanging hole is bent, and the wall portion for the hanging hole is formed. 17 can be easily folded.

Further, since the upper flap 31 and the lower flap 32 are located on the outer surface sides of the front and rear side flaps 21 and 22, it is possible to prevent the ends of the upper flap 31 and the lower flap 32 from rubbing against the stored items. You can As a result, it is possible to preferably prevent the surface of the stored item from being damaged or the printed matter (date information such as lot number or expiration date) on the surface of the stored item to be peeled off.
Moreover, when the wall part 17 for handle holes and the insertion part 18 are located between the upper flap 31 and the lower flap 32, and are formed over the front and rear side flaps 21 and 22, the insertion part. It is easy to insert a finger into 18 and it is easy to perform an operation when bending the wall part 17 for the handle hole to the outer surface side of the side walls 13 and 14.

Further, since the upper end portion L17a of the cutting guide line L17 is inserted into the back surface side of the lower edge portion 31a of the upper flap 31, the handle hole wall portion 17 bent to the outer surface side of the side walls 13 and 14 forms the upper flap 31. The lower edge portion 31a can be covered. Accordingly, when the packaging box 1 is transported by inserting fingers into the hand-holding holes 17A, the loads are distributed to the front and rear side flaps 21 and 22 and the upper flap 31, and the hand-holding holes 17A are less likely to be pained.
Further, since the lower edge portion 31a of the upper flap 31 is covered with the wall portion 17 for the hanging hole, when the fingers are inserted into the hanging hole 17A and the packaging box 1 is transported, the lower edge portion 31a of the upper flap 31 is fingered. Can be prevented from directly touching, and the fingers are less likely to hurt.

  In addition, since the wall part 17 for the handle hole is provided with the bending guide line L20, the wall part 17 for the handle hole can be easily bent along the lower edge 31a of the upper flap 31. Further, since two bending guide lines L20 are formed, it is easier to bend. The bending guide line L20 may be one, or may be three or more.

  Further, since the upper end portion L17a of the cutting guide wire L17 is formed in a rounded shape, it is possible to preferably prevent the upper end portion of the handholding hole wall portion 17 from being torn from the side walls 13 and 14. Therefore, the durability of the wall portion 17 for the handle hole is improved. In addition, you may provide an edge part in parts other than the upper end part L17a of the cutting guide wire L17, and may form the edge part in a round shape.

  Moreover, since the insertion portion 18 has a smaller area than the wall portion 17 for the handle hole, it is possible to prevent an opening larger than necessary from being formed in the side walls 13 and 14. Therefore, the durability of the side walls 13 and 14 is improved. Moreover, since the amount of protrusion of the side walls 13 and 14 toward the inside can be suppressed to a small amount, it is unlikely that a defect such as damage to the stored item or peeling of the surface print will occur.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be appropriately modified without departing from the gist thereof.
For example, the wall portion 17 for the handle hole and the insertion portion 18 are provided on the side walls 13 and 14, but the invention is not limited to this, and may be provided on the end walls 11 and 12.
Further, the side walls 13 and 14 are composed of the side flaps 21 and 22, the upper flap 31 and the lower flap 32, but the invention is not limited to this. The part 17 and the insertion part 18 may be provided.

  Further, the shape of the wall portion 17 for the hand-held hole may be any one as long as the hand-held hole is formed so that the hand-held hole wall portion 17 can be carried by hand, and various shapes can be adopted.

  Further, the wall portions 17a, 17a forming the handle hole wall portion 17 may have different front and rear shapes. Further, the wall portion 17a may be provided only on the one side flap 21 (22).

  Further, the insertion portion 18 may be any one that can be inserted with a finger, and the number and shape thereof are not limited.

  Further, the insertion portion 18 may be a hole portion formed by opening the side walls 13 and 14 from the beginning. The number and shape of the holes are not limited.

  The packaging box 1 of the present embodiment is made of corrugated cardboard, but the packaging box may be formed of various known paperboards.

1 Packaging box 10 Bottom plate 11 End wall (front end wall)
12 Rear end wall (rear end wall)
13 Side wall (left side wall)
14 Side wall (right side wall)
15 Top plate 17 Wall part for handle hole 17A Handle hole 18 Insert part 21 Side flap 22 Side flap 31 Upper flap 31a Lower edge 32 Lower flap L17 Cutting guide line L18 Cutting guide line L20 Bending guide line

Claims (6)

Bottom plate,
A pair of front and rear end walls continuously provided at the front and rear edges of the bottom plate,
A top plate continuously provided on the upper edge of the one end wall,
A packaging box comprising a pair of left and right side walls,
A wall portion for a handle hole defined by a cutting guide wire on the side wall,
The wall part for the handle hole is provided in series, and an insertion part into which a finger can be inserted is provided,
The working hole wall portion, Ri can der bent by hand plugged through the insertion portion on the outer surface of the side wall,
The side wall is
Front and rear side flaps respectively connected to the both end walls,
An upper flap connected to the top plate,
A lower flap connected to the bottom plate,
The upper flap and the lower flap are joined to the outer surfaces of the front and rear side flaps,
The wall part for the handle hole and the insertion part are located between the upper flap and the lower flap, and are formed over the front and rear side flaps. Packaging box. The portion of the cutting guide line is the packaging box according to claim 1, characterized in that enters the back surface side of the lower edge of the upper flap. The packaging box according to claim 2 , wherein the wall part for the handle hole is provided with a bending guide wire extending along a lower edge part of the upper flap. The packaging box according to claim 3 , wherein a plurality of the bending guide lines are formed. The packaging box according to any one of claims 1 to 4 , wherein an end portion of the cutting guide wire is formed in a rounded shape. The packaging box according to any one of claims 1 to 5 , wherein the insertion portion has an area smaller than that of the wall portion for the handle hole.

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