JP3208239U - Packaging box - Google Patents

Abstract

The present invention provides a packaging box capable of accurately forming a body part in an octagon and maintaining the shape even when the body part is empty. In a packaging box 1, a barrel portion 10 formed in an octagonal rectangular tube shape, upper and lower lid portions 20 closing upper and lower openings of the barrel portion, and a bottom portion of the barrel portion are provided. And a fitted bottom plate 30. The bottom plate 30 is formed in an octagon along the inner peripheral surface of the trunk portion, and the peripheral edge portion of the bottom plate is in contact with each inner surface of the trunk portion. [Selection] Figure 1

Description

  The present invention relates to a packaging box having an octagonal body.

  Some packaging boxes include an octagonal tubular body and upper and lower lids closing upper and lower openings of the trunk (see, for example, Patent Document 1).

  When packaging spherical contents such as Saijo and melon, the material area can be reduced by using the above octagonal packaging box rather than using a rectangular parallelepiped packaging box. Further, in the octagonal packaging box described above, the customer can visually recognize the product information printed on the outer surface of the body from multiple directions.

JP2011-240961A

  When assembling the octagonal packaging box described above, the body is formed in an octagon, and the lid on the lower side of the body is sealed with tape or an adhesive while maintaining the shape. However, when the inside of the body is empty, there is a problem that it is difficult to maintain the body in an octagonal shape.

  An object of the present invention is to solve the above-described problems, and to provide a packaging box that can accurately form a body part in an octagonal shape and maintain the shape even when the body part is empty.

  In order to solve the above problems, the present invention is a packaging box, which is an octagonal cylindrical body, and upper and lower lids closing upper and lower openings of the trunk. And a bottom plate fitted into the bottom of the trunk. The bottom plate is formed in an octagonal shape along the inner peripheral surface of the body portion, and the peripheral edge portion of the bottom plate is in contact with each inner surface of the body portion.

In the packaging box of the present invention, when the octagonal bottom plate is fitted into the body portion, each inner surface of the body portion is supported by the peripheral portion of the bottom plate. Thereby, even if the trunk portion is empty, the trunk portion can be accurately formed into an octagon, and the shape can be maintained. Therefore, in this invention, since the shape of a trunk | drum can be stabilized also when the opening part of a trunk | drum is obstruct | occluded with a cover part, it becomes easy to assemble a packaging box.
Moreover, in the packaging box of this invention, since a bottom plate plays the role of a shock absorbing material, the contents can be protected. Furthermore, since the packaging box of this invention becomes a double bottom by a lower cover part and a baseplate, the intensity | strength of a bottom part can be raised.

  In the packaging box described above, it is preferable that a contact piece that is in contact with the inner surface of the body portion is erected on the peripheral edge of the bottom plate, and the inner surface of the body portion is reliably supported by the contact piece.

  In the present invention, since the barrel can be maintained in an octagonal shape by the bottom plate even when the barrel is empty, the packaging box can be easily assembled.

It is the figure which showed the packaging box which concerns on embodiment of this invention, and is the perspective view seen from front upper left. It is the figure which showed the packaging box which concerns on embodiment of this invention, and is the perspective view seen from back lower left. It is a blank sheet of a trunk part and a lid part of a packaging box concerning an embodiment of the present invention. It is the figure which showed the packaging box which concerns on embodiment of this invention, and is the perspective view which showed a mode that the bottom plate was engage | inserted to a box. It is the figure which showed the packaging box which concerns on embodiment of this invention, and is AA sectional drawing 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 and rear, right and left directions are set for convenience in describing the packaging box of the present embodiment, and do not limit the configuration of the packaging box.

  As shown in FIGS. 1 and 2, the packaging box 1 according to the present embodiment is fitted into a barrel portion 10 formed in an octagonal rectangular tube shape, upper and lower lid portions 20 and 20, and a bottom portion of the barrel portion 10. The bottom plate 30 is provided. In this embodiment, the trunk | drum 10 and the upper and lower cover parts 20 and 20 are integrally formed, and the trunk | drum 10 and the baseplate 30 are formed separately.

  The body portion 10 includes a pair of front and rear end walls 11 and 12, a pair of left and right side walls 13 and 14, and four inclined walls 16 a to 16 d formed between the adjacent end walls 11 and 12 and the side walls 13 and 14. And. Octagonal openings 10 a and 10 b are formed on the upper surface and the lower surface of the body portion 10.

As shown in FIG. 3, the body 10 is formed by mountain-folding or valley-folding a blank sheet S cut out of a single cardboard sheet at each ruled line. The blank sheet S shown in FIG. 3 is arranged so that the outer 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 in a ruled line. If it does in this way, it will become easy to bend the blank sheet S in a ruled line.

In the present embodiment, the front end wall 11 is formed in a rectangular shape as shown in FIG. 1, and the vertical direction is larger than the horizontal direction.
A first inclined wall 16a is connected to the left edge of the front end wall 11 via a ruled line L1. The first inclined wall 16 a is disposed at the left front corner of the body 10.
The first inclined wall 16 a extends from the left edge portion of the front end wall 11 toward the left diagonally rearward direction. The first inclined wall 16 a is inclined at an angle of 45 degrees with respect to the front end wall 11.
The first inclined wall 16 a is formed in a belt-like rectangle along the left edge portion of the front end wall 11.

The left side wall 13 is connected to the rear edge portion of the first inclined wall 16a via a ruled line L2.
The left side wall 13 extends rearward from the rear edge of the first inclined wall 16a. The left side wall 13 is inclined at an angle of 45 degrees with respect to the first inclined wall 16a. The left side wall 13 is disposed perpendicular to the front end wall 11.
The left side wall 13 is formed in a rectangular shape, and the vertical and horizontal sizes of the left side wall 13 are the same as those of the front end wall 11 (see FIG. 3).

As shown in FIG. 2, a second inclined wall 16b is connected to the rear edge of the left side wall 13 via a ruled line L3. The second inclined wall 16 b is disposed at the left rear corner of the body 10.
The second inclined wall 16 b extends from the rear edge portion of the left side wall 13 toward the right rear side. The second inclined wall 16 b is inclined at an angle of 45 degrees with respect to the left side wall 13.
The second inclined wall 16b is formed in a belt-like rectangle along the rear edge of the left side wall 13. The second inclined wall 16b and the first inclined wall 16a (see FIG. 1) are symmetrical in shape.

The rear end wall 12 is connected to the rear edge portion of the second inclined wall 16b via a ruled line L4.
The rear end wall 12 extends rightward from the rear edge of the second inclined wall 16b. The rear end wall 12 is inclined at an angle of 45 degrees with respect to the second inclined wall 16b. The rear end wall 12 has the same shape as the front end wall 11 (see FIG. 1). The front end wall 11 and the rear end wall 12 are arranged in parallel and face each other in the front-rear direction.

A third inclined wall 16c is connected to the right edge portion of the rear end wall 12 via a ruled line L5. The third inclined wall 16 c is disposed at the right rear corner of the body 10.
The third inclined wall 16c extends from the right edge of the rear end wall 12 diagonally forward to the right. The third inclined wall 16c is inclined with respect to the rear end wall 12 at an angle of 45 degrees.
The third inclined wall 16c is formed in a belt-like rectangle along the right edge of the rear end wall 12. The third inclined wall 16c and the second inclined wall 16b (see FIG. 2) have a symmetrical shape.

As shown in FIG. 4, the right side wall 14 is connected to the front edge of the third inclined wall 16c via a ruled line L6 (see FIG. 5).
The right side wall 14 extends forward from the front edge of the third inclined wall 16c. The right side wall 14 is inclined at an angle of 45 degrees with respect to the third inclined wall 16c. The right side wall 14 has the same shape as the left side wall 13 (see FIG. 1). The left side wall 13 and the right side wall 14 are arranged in parallel and face in the left-right direction.

As shown in FIG. 1, a fourth inclined wall 16d is connected to the right edge portion of the front end wall 11 via a ruled line L7 (see FIG. 5). The fourth inclined wall 16 d is disposed at the right front corner of the body 10.
The fourth inclined wall 16d extends from the right edge of the front end wall 11 diagonally to the rear right. The fourth inclined wall 16d is inclined at an angle of 45 degrees with respect to the front end wall 11.
The fourth inclined wall 16d is formed in a strip shape along the right edge of the front end wall 11 (see FIG. 3). The fourth inclined wall 16d and the first inclined wall 16a have a symmetrical shape.

As shown in FIG. 4, a joining piece 15 is continuously provided on the rear edge portion of the fourth inclined wall 16d via a ruled line L8. The joining piece 15 is formed in a belt-like rectangle along the rear edge of the fourth inclined wall 16d (see FIG. 3).
The joining piece 15 of this embodiment is a part joined to the front end part of the inner surface of the right side wall 14 by an adhesive.

  When the joining piece 15 is joined to the inner surface of the right side wall 14 while bending the blank sheet S (see FIG. 3) along the ruled lines L1 to L8, as shown in FIGS. 1 and 2, the front end wall 11, the rear end wall 12, and the left side The wall 13, the right side wall 14, and the four inclined walls 16 a to 16 d form an octagonal cylindrical body 10.

  As shown in FIG. 1, the upper lid 20 closes the upper opening 10 a of the body 10, and is formed by a pair of front and rear outer flaps 21 and 21 and a pair of left and right inner flaps 22 and 22. ing.

As shown in FIG. 4, a left inner flap 22 is connected to the upper edge of the left side wall 13 via a ruled line L <b> 21.
As shown in FIG. 1, the left inner flap 22 extends rightward from the upper edge of the left side wall 13. The left inner flap 22 is formed perpendicular to the left wall 13.
The width of the left inner flap 22 in the front-rear direction is constant, and the inner flap 22 is formed in a rectangular shape. The inner end edge portion of the left inner flap 22 is arranged at the middle portion in the left-right direction of the upper opening 10a.

As shown in FIG. 4, a right inner flap 22 is connected to the upper edge portion of the right wall 14 via a ruled line L <b> 21.
As shown in FIG. 1, the right inner flap 22 extends leftward from the upper edge of the right wall 14. The right inner flap 22 is formed perpendicular to the right wall 14.
The right inner flap 22 and the left inner flap 22 are formed in a symmetrical shape. The left and right inner flaps 22 and 22 are disposed adjacent to the left and right.

As shown in FIG. 4, the front outer flap 21 is connected to the upper edge of the front end wall 11 via a ruled line L22.
As shown in FIG. 1, the front outer flap 21 extends rearward from the upper edge of the front end wall 11. The front outer flap 21 is formed perpendicular to the front end wall 11.

The outer flap 21 on the front side is formed in accordance with the shape of the front half of the upper opening 10a and closes the area of the front half of the upper opening 10a. The front outer flap 21 is superimposed on the upper surfaces of the left and right inner flaps 22 and 22.
The base portion of the front outer flap 21 is widened in the left-right direction toward the rear in accordance with the interval between the inclined walls 16a, 16d adjacent to the left and right sides of the front end wall 11.
Further, the front end portion of the outer flap 21 is formed with a constant width in the left-right direction according to the distance between the left and right side walls 13, 14.

As shown in FIG. 4, the rear outer flap 21 is connected to the upper edge of the rear end wall 12 via a ruled line L22.
As shown in FIG. 1, the rear outer flap 21 extends forward from the upper edge of the rear end wall 12. The rear outer flap 21 is formed perpendicular to the rear end wall 12.
The rear outer flap 21 and the front outer flap 21 are symmetrical in the front-rear direction. The rear outer flap 21 blocks the rear half area of the upper opening 10a.

  The upper lid 20 is formed by the front and rear outer flaps 21 and 21 and the left and right inner flaps 22 and 22. The upper lid 20 closes the upper opening 10a of the body 10.

  As shown in FIG. 2, the lower lid portion 20 closes the lower opening 10 b of the body portion 10, and includes a pair of front and rear outer flaps 21 and 21 and a pair of left and right inner flaps 22 and 22. Is formed. The lower lid 20 and the upper lid 20 are vertically symmetrical.

As shown in FIG. 1, the bottom plate 30 is fitted into the bottom portion (lower portion) of the trunk portion 10 and is overlaid on the upper surface of the lower lid portion 20 (see FIG. 2).
As illustrated in FIG. 4, the bottom plate 30 includes an octagonal flat plate portion 31, and four front and rear, left and right contact pieces 32 formed on the peripheral portion of the flat plate portion 31.

The peripheral part of the flat plate part 31 is formed in an octagon along the inner peripheral surface of the trunk | drum 10, as shown in FIG.
The front edge portion 31 a of the flat plate portion 31 extends along the inner surface of the front end wall 11 and is in contact with the inner surface of the front end wall 11.
The rear edge portion 31 b of the flat plate portion 31 extends along the inner surface of the rear end wall 12 and is in contact with the inner surface of the rear end wall 12.
The left edge portion 31 c of the flat plate portion 31 extends along the inner surface of the left side wall 13 and is in contact with the inner surface of the left side wall 13.
The right edge portion 31 d of the flat plate portion 31 extends along the inner surface of the right side wall 14 and is in contact with the inner surface of the right side wall 14.
The lengths of the front and rear, left and right edge portions 31 a to 31 d of the flat plate portion 31 are substantially the same as the lateral widths of the inner surfaces of the end walls 11 and 12 and the side walls 13 and 14.

A first inclined edge portion 31e is formed between the front edge portion 31a and the left edge portion 31c of the flat plate portion 31. The first inclined edge portion 31e extends along the inner surface of the first inclined wall 16a and is in contact with the inner surface of the first inclined wall 16a.
Between the left edge part 31c and the rear edge part 31b of the flat plate part 31, the 2nd inclined edge part 31f is formed. The second inclined edge portion 31f extends along the inner surface of the second inclined wall 16b and is in contact with the inner surface of the second inclined wall 16b.
A third inclined edge portion 31g is formed between the rear edge portion 31b and the right edge portion 31d of the flat plate portion 31. The third inclined edge portion 31g extends along the inner surface of the third inclined wall 16c and is in contact with the inner surface of the third inclined wall 16c.
A fourth inclined edge portion 31 h is formed between the right edge portion 31 d and the front edge portion 31 a of the flat plate portion 31. The fourth inclined edge portion 31h extends along the inner surface of the fourth inclined wall 16d and is in contact with the inner surface of the fourth inclined wall 16d.
The lengths of the inclined edge portions 31e to 31h of the flat plate portion 31 are substantially the same as the lateral widths of the inner surfaces of the inclined walls 16a to 16d.

In a state in which the bottom plate 30 is fitted in the body portion 10, the peripheral portions (the respective edge portions 31 a to 31 h) of the bottom plate 30 are all in contact with the respective inner surfaces of the body portion 10. Thereby, each inner surface of the trunk | drum 10 is supported by the peripheral part of the baseplate 30. FIG.
Therefore, when the bottom plate 30 is fitted into the empty body portion 10, the body portion 10 is expanded into an octagon by the bottom plate 30, and the shape is maintained.

As shown in FIG. 4, a pair of front and rear contact pieces 32, 32 are erected on the front edge portion 31 a and the rear edge portion 31 b of the bottom plate 30. A pair of left and right contact pieces 32, 32 are provided upright on the left edge 31 c and the right edge 31 d of the bottom plate 30.
Each contact piece 32 is connected to each edge 31a to 31d of the bottom plate 31 via a ruled line. The contact piece 32 is a part bent upward with respect to the flat plate portion 31 along the ruled line. The contact piece 32 of the present embodiment is formed in a trapezoid shape in which the upper edge portion is smaller than the lower edge portion.

  In the state where the bottom plate 30 is fitted in the body portion 10, as shown in FIG. 5, the outer surface of the front contact piece 32 is in contact with the inner surface of the front end wall 11, and the outer surface of the rear contact piece 32. Is in contact with the inner surface of the rear end wall 12. Further, the outer surface of the left contact piece 32 is in contact with the inner surface of the left wall 13, and the outer surface of the right contact piece 32 is in contact with the inner surface of the right wall 14.

Next, the procedure for assembling the packaging box 1 of this embodiment will be described.
First, while bending the blank sheet S shown in FIG. 3 along the ruled lines L1 to L8, the joining piece 15 is joined to the inner surface of the right side wall 14, and as shown in FIG. Form.
Further, as shown in FIG. 4, the respective contact pieces 32 are bent upward with respect to the flat plate portion 31 of the bottom plate 30, and the respective contact pieces 32 are erected on the front and rear, left and right edge portions 31 a to 31 d of the flat plate portion 31. Make it.

Subsequently, the lower lid portion 20 of the trunk portion 10 is assembled. At this time, the flaps 21 and 22 of the lower lid portion 20 are not fixed by the tape, and the lid portion 20 is in a temporarily assembled state.
Thereafter, the bottom plate 30 is placed on the upper side of the trunk portion 10 with the front and rear edge portions 31a to 31d of the bottom plate 30 corresponding to the front and rear end walls 11 and 12 and the left and right side walls 13 and 14, respectively. Insert from the opening 10a.
As a result, as shown in FIG. 5, the body portion 10 is expanded in an octagonal shape by the peripheral edge portion of the bottom plate 30 and the contact pieces 32.

Then, as shown in FIG. 2, while maintaining the shape of the body portion 10 with the bottom plate 30, the outer flaps 21, 21 of the lower lid portion 20 are fixed with tape or an adhesive, and the lower lid portion 20 is closed. Further, the bottom plate 30 is pushed downward and overlapped on the upper surface of the lower lid portion 20.
After the contents are put into the body part 10 through the upper opening part 10a of the body part 10, the upper opening part 10a of the body part 10 is closed by the upper cover part 20 as shown in FIG. Thereby, the octagonal packaging box 1 containing the contents is completed.

In the packaging box 1 of the present embodiment as described above, as shown in FIG. 1, when the octagonal bottom plate 30 is fitted into the empty body portion 10, the inner surfaces of the body portion 10 are supported by the bottom plate 30.
Thereby, even if the trunk | drum 10 is empty, the trunk | drum 10 can be accurately formed in an octagon, and the shape can be maintained. Therefore, even when the opening of the empty body part 10 is closed by the lid part 20, the shape of the body part 10 can be stabilized, so that the packaging box 1 can be easily assembled.
Furthermore, in the packaging box 1 of this embodiment, since each contact piece 32 erected on the peripheral edge of the bottom plate 30 contacts the inner surface of the trunk portion 10, the bottom plate 30 can reliably support the inner surface of the trunk portion 10. it can.

Moreover, in the packaging box 1 of this embodiment, as shown in FIG. 2, since the bottom plate 30 is piled up on the upper surface of the lower cover part 20, and the bottom plate 30 plays the role of a cushioning material, the contents are protected. can do.
Moreover, since the packaging box 1 of this embodiment becomes a triple bottom by the outer flap 21 of the bottom side, the inner flap 22, and the bottom board 30, the intensity | strength of the bottom part of the packaging box 1 can be raised.

In the packaging box 1 of this embodiment, as shown in FIG. 1, in addition to the outer surfaces of the front and rear end walls 11 and 12 and the outer surfaces of the left and right side walls 13 and 14, product information is also provided on the outer surfaces of the inclined walls 16a to 16d. Can be printed.
Thus, when the packaging boxes 1 are arranged on the sales floor, the customer can clearly see the product information from the front, rear, left, right, and diagonal directions. Therefore, in the packaging box 1 of this embodiment, the goods accommodated in the inside can be effectively appealed.

As mentioned above, although embodiment of this invention was described, this invention is not limited to the said embodiment, In the range which does not deviate from the meaning, it can change suitably.
In the present embodiment, as shown in FIG. 4, the front and rear, left and right four contact pieces 32 are formed on the bottom plate 30, but the number of the contact pieces 32 is not limited. Further, the contact piece 32 may not be formed on the bottom plate 30.

  In this embodiment, as shown in FIGS. 1 and 2, the lid 20 is formed by the front and rear outer flaps 21 and 21 and the left and right inner flaps 22 and 22, but the configuration of the lid 20 is limited. It is not a thing. For example, you may comprise the cover part 20 with a single octagonal plate. Moreover, you may comprise the trunk | drum 10 and the cover part 20 separately.

Moreover, the width | variety and height of the end walls 11 and 12, the side walls 13 and 14, and the inclination walls 16a-16d of the packaging box 1 are not limited.
Further, the inclination angles of the inclined walls 16a to 16d with respect to the end walls 11 and 12 and the side walls 13 and 14 are not limited.
For example, both end walls 11 and 12, both side walls 13 and 14, and each inclined wall 16a-16d may be formed in the same width, and body part 10 may be formed in a regular octagon.

  Although the packaging box 1 of this embodiment is made of corrugated cardboard, the packaging box 1 can be formed of various known paperboards.

DESCRIPTION OF SYMBOLS 1 Packaging box 10 Body part 11 Front end wall 12 Rear end wall 13 Left side wall 14 Right side wall 15 Joining piece 16a 1st inclination wall 16b 2nd inclination wall 16c 3rd inclination wall 16d 4th inclination wall 20 Lid part 21 Outer flap 22 Inner flap 30 Bottom plate 31 Flat plate portion 31a Front edge portion 31b Rear edge portion 31c Left edge portion 31d Right edge portion 31e First inclined edge portion 31f Second inclined edge portion 31g Third inclined edge portion 31h Fourth Inclined edge 32 Contact piece S Blank sheet

Claims (2)

A trunk formed in an octagonal rectangular tube;
Upper and lower lid portions closing upper and lower openings of the body portion;
A bottom plate fitted into the bottom of the trunk,
The bottom plate is formed in an octagon along the inner peripheral surface of the body part,
A packaging box, wherein a peripheral edge portion of the bottom plate is in contact with each inner surface of the body portion. The packaging box according to claim 1,
A packaging box, wherein a contact piece that is in contact with an inner surface of the body portion is provided upright at a peripheral edge portion of the bottom plate.

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