JP6926766B2 - Packaging box - Google Patents

Description

The present invention relates to a packaging box.

As a packaging box having a display plate on which product information is printed, there is a packaging box configured so that the entire top plate becomes a display plate when opened (see, for example, Patent Document 1). In such a packaging box, when the display plate is erected on the upper edge of the rear end wall, the entire upper surface of the packaging box is opened.

Japanese Unexamined Patent Publication No. 2000-190955

In the conventional packaging box described above, when the display plate is erected on the upper edge of the rear end wall, the rear end wall is supported only by the side wall, so that the rear end wall and the display plate become unstable. There's a problem.
Further, in the conventional packaging box described above, there is a problem that the appealability of the contents is low because the entire side surface of the contents is covered with the side wall when the display plate is erected.

An object of the present invention is to provide a packaging box capable of solving the above-mentioned problems, stabilizing a display board, and enhancing the appeal of the contents.

In order to solve the above problems, the present invention is a packaging box, which comprises a bottom plate, front end walls and rear end walls connected to the bottom plate, left and right side walls connected to the bottom plate, and the rear end. It is equipped with a top plate that is connected to the upper edge of the wall. A first cutting guide line extending in the left-right direction is formed on the front end wall, and the front end wall and the top plate are left and right from the first cutting guide line to the upper edge of the rear end wall. A second cutting guide line is formed. The second cutting guide line, the centrally located side of the side wall, the two second cutting panel between the guiding line is formed Rutotomoni, the side edge portion of said top plate and said second cutting guide line A side end portion of the top plate is formed between the two . A third cutting guide line is formed from the first cutting guide line to the front portion of the side wall. A fourth cutting guide line is formed on the top plate and the side wall from the second cutting guide line to the third cutting guide line. The fourth cutting guide line extends obliquely forward from the second cutting guide line at the side end portion of the top plate and is connected to the side edge portion of the top plate.

In the packaging box of the present invention, when the first cutting guide line and the second cutting guide line are cut open and the display plate is erected, the central portion of the top plate is opened and the left and right side ends of the top plate remain. Become. As a result, when the display plate is erected, the rear end wall is supported by the left and right side walls and the top plate, so that the rear end wall and the display plate can be stabilized.

In the packaging box of the present invention, the upper side of the front portion of the side wall can be cut off by cutting open the first cutting guide wire and the second cutting guide wire, and then cutting the third cutting guide wire and the fourth cutting guide wire. .. As a result, the side surface of the content can be exposed, so that the appealability of the content can be enhanced.

In the packaging box described above, it is preferable that the rear end wall and the display plate are connected to each other via a fifth cutting guide wire.
In this configuration, the display plate can be separated from the rear end wall by cutting open the first cutting guide line and the second cutting guide line, erecting the display plate, and then cutting the fifth cutting guide line. As a result, other packaging boxes can be stacked on the packaging box after opening. At this time, since the left and right side ends of the top plate remain in the packaging box, other packaging boxes can be stably stacked on the packaging box.

In the packaging box described above, a sixth cutting guide line extending in the left-right direction is formed on the rear end wall, and the sixth cutting guide line extends from the rear end wall to the rear portion of the side wall. Is preferable.
In this configuration, the entire upper part of the packaging box can be cut by cutting the first cutting guide wire, the third cutting guide wire, and the sixth cutting guide wire, so that the packaging box can be used as a tray.

In the packaging box of the present invention, the display plate can be stabilized and the side surface of the content can be exposed to enhance the appeal of the content.

It is a perspective view which looked at the packaging box which concerns on embodiment of this invention from the front upper right. It is a perspective view which looked at the packaging box which concerns on embodiment of this invention from the rear upper left. It is a figure which showed the blank sheet of the packaging box which concerns on embodiment of this invention. FIG. 5 is a perspective view of a packaging box according to an embodiment of the present invention, in which a display plate is started to be opened, as viewed from the front upper right. It is a perspective view which looked at the stage of bending a display plate from the front upper right in the packaging box which concerns on embodiment of this invention. FIG. 5 is a perspective view of a packaging box according to an embodiment of the present invention, in which a display plate is erected, as viewed from the front upper right. FIG. 5 is a perspective view of the packaging box according to the embodiment of the present invention, in which the front portion of the side wall is cut off, as viewed from the front upper right. FIG. 5 is a perspective view of a packaging box according to an embodiment of the present invention, in which a display plate is cut off, as viewed from the front upper right.

Embodiments of the present invention will be described in detail with reference to the drawings as appropriate.
In the following description, the front-rear direction and the left-right direction are set for convenience in explaining 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 of the present embodiment includes a bottom plate 10, a front end wall 11, a rear end wall 12, a left side wall 13 and a right side wall 14 connected to the bottom plate 10, and a rear end. It is a wraparound type corrugated cardboard box provided with a top plate 15 connected to a wall 12.

As shown in FIG. 3, the packaging box 1 is formed by folding a blank sheet S obtained by cutting out a single corrugated cardboard sheet into mountain folds or valley folds at each ruled line. The blank sheet S shown in FIG. 3 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 pushing the surface of the blank sheet S. A notch may be formed in the ruled line. In this way, the blank sheet S can be easily bent at the ruled line.

The bottom plate 10 is formed in a quadrangle shape as shown in FIG.
As shown in FIG. 1, a front end wall 11 is continuously provided on the front edge portion of the bottom plate 10 via a ruled line L1. The front end wall 11 is formed in a quadrangular shape and extends upward from the front edge portion of the bottom plate 10. The front end wall 11 is formed perpendicular to the bottom plate 10.

As shown in FIG. 2, a trailing end wall 12 is continuously provided on the trailing edge of the bottom plate 10 via a ruled line L2. The rear end wall 12 has the same shape as the front end wall 11 (see FIG. 1), and extends upward from the trailing edge of the bottom plate 10. The rear end wall 12 is formed perpendicular to the bottom plate 10.

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 has the same shape as the bottom plate 10 and extends forward from the upper edge of the rear end wall 12. The top plate 15 is formed perpendicular to the rear end wall 12.

As shown in FIG. 1, a joining piece 16 is continuously provided on the leading edge portion of the top plate 15 via a ruled line L4. The joint piece 16 is formed in a band shape along the leading edge portion of the top plate 15. The joint piece 16 is a portion to be joined to the upper end portion of the outer surface of the front end wall 11 by an adhesive such as hot melt.

When the joining piece 16 is joined to the outer surface of the front end wall 11 while bending the blank sheet S (see FIG. 3) along the ruled lines L1 to L4, the front end wall 11, the bottom plate 10, the rear end wall 12 and the top plate 15 have a quadrangular tubular shape. Will be presented.

The right side wall 14 includes a front inner flap 21 connected to the front end wall 11, a rear inner flap 22 connected to the rear end wall 12, and an upper outer flap 23 connected to the top plate 15. It is composed of an outer flap 24 on the lower side, which is connected to the bottom plate 10.

The upper and lower outer flaps 23 and 24 are overlapped on the outer surfaces of the front and rear inner flaps 21 and 22. The inner surfaces of the outer flaps 23 and 24 and the outer surfaces of the inner flaps 21 and 22 are joined by an adhesive such as hot melt.
The upper and lower outer flaps 23 and 24 are arranged at intervals in the vertical direction. The central portions of the front and rear inner flaps 21 and 22 are exposed between the upper and lower outer flaps 23 and 24.

The left side wall 13 has a symmetrical structure with the right side wall 14, and as shown in FIG. 2, the right side wall 14 is formed by the front and rear inner flaps 21 and 22 and the upper and lower outer flaps 23 and 24.

As shown in FIG. 1, the front end wall 11 is formed with a first cutting guide line L11 extending in the left-right direction. The first cutting guide line L11 is arranged at a substantially central portion in the vertical direction of the front end wall 11. The left and right ends of the first cutting guide line L11 are arranged closer to the center than the left and right edges of the front end wall 11.

The first cutting guide wire L11 of the present embodiment is composed of a resin-made first cutting tape T1 attached to the inner surface of the front end wall 11. Then, by pulling the first cut tape T1 outward, the front end wall 11 can be cut by the first cut tape T1.

On the front end wall 11, a first opening start portion 31 partitioned by a slit is formed at a position corresponding to the central portion of the first cut tape T1. The first cut tape T1 is divided into left and right by the first opening start portion 31.
The first opening start portion 31 is formed so that the wall portion can be cut open toward both the left and right sides. Then, by opening the first opening start portion 31, the end portion of the first cut tape T1 can be pulled outward.

Left and right second cutting guide lines L12 and L12 are formed on the front end wall 11, the joint piece 16, and the top plate 15 from the first cutting guide line L11 to the upper edge portion (ruled line L3) of the rear end wall 12. ..
The second cutting guide line L12 is a perforated line in which a plurality of cuts are continuous. The second cutting guide line L12 may be formed by a half-cut line.

The second cutting guide line L12 on the left side extends from the left end portion of the first cutting guide line L11 to the upper edge portion (ruled line L3) of the rear end wall 12. The second cutting guide line L12 on the left side is arranged on the center side of the left wall 13. That is, the second cutting guide line L12 on the left side is arranged at a distance on the center side from the left edge portion of the front end wall 11, the joint piece 16, and the top plate 15.
As a result, a band-shaped side end portion 15a is formed between the left edge portion of the top plate 15 and the second cutting guide line L12 on the left side.

The second cutting guide line L12 on the right side extends from the right end portion of the first cutting guide line L11 to the upper edge portion of the rear end wall 12. The second cutting guide line L12 on the right side has a symmetrical configuration with the second cutting guide line L12 on the left side. A band-shaped side end portion 15a is also formed between the right edge portion of the top plate 15 and the second cutting guide wire L12 on the right side.

In the front end wall 11, the joint piece 16, and the top plate 15, a display plate 40 is formed between the left and right second cutting guide lines L12 and L12.
The display plate 40 is formed with an intermediate line L21 extending in the left-right direction from the second cutting guide line L12 on the left side to the second cutting guide line L12 on the right side. The intermediate line L21 is arranged at a substantially central portion in the front-rear direction of the top plate 15.
The display plate 40 is divided into a front plate 41 and a rear plate 42 by an intermediate line L21. Product information and illustrations of the contents are printed on the upper surface of the front plate 41.
The left and right ends of the intermediate line L21 are straight ruled lines. Further, the central portion of the intermediate line L21 is a perforated line curved in an arc shape so as to be convex toward the rear. The central portion of the intermediate line L21 may be formed by a half-cut line.

On the front end wall 11 and the right side wall 14, a third cutting guide line L13 on the right side extends from the right end portion of the first cutting guide line L11 to the trailing edge portion of the inner flap 21 on the front side. The third cutting guide line L13 extends between the upper and lower outer flaps 23 and 24.

The third cutting guide wire L13 of the present embodiment is composed of a second cutting tape T2 made of resin attached to the inner surface of the front end wall 11 and the inner flap 21. Then, by pulling the second cut tape T2 outward, the front end wall 11 and the inner flap 21 can be cut by the second cut tape T2.

As shown in FIG. 2, a third cutting guide line L13 on the left side extends from the left end portion of the first cutting guide line L11 to the trailing edge portion of the inner flap 21 on the front side on the front end wall 11 and the left side wall 13. There is. The third cutting guide line L13 on the left side has a symmetrical configuration with the third cutting guide line L13 on the right side.

As shown in FIG. 1, on the front end wall 11, left and right second opening start portions 32 partitioned by slits are formed at positions corresponding to the ends of the left and right second cut tapes T2 and T2.
The second opening start portion 32 is formed so that the wall portion can be cut open toward one of the left and right sides. Then, by opening the second opening start portion 32, the end portion of the second cut tape T2 can be pulled outward.

As shown in FIG. 1, a fourth cutting guide line L14 on the right side is formed on the top plate 15 and the right side wall 14 from the second cutting guide line L12 on the right side to the end of the third cutting guide line L13. .. The fourth cutting guide line L14 is a perforated line. The fourth cutting guide line L14 may be formed by a half-cut line.

The fourth cutting guide line L14 extends obliquely forward from the rear portion of the second cutting guide line L12 on the right side, and is connected to the central portion of the right edge portion of the top plate 15. Further, the fourth cutting guide line L14 extends from the central portion of the right edge portion of the top plate 15 (the central portion of the upper edge portion of the upper outer flap 23) to the lower edge portion of the upper outer flap 23.

As shown in FIG. 2, the top plate 15 and the left wall 13 are formed with a fourth cutting guide line L14 on the left side extending from the second cutting guide line L12 on the left side to the end of the third cutting guide line L13. .. The fourth cutting guide line L14 on the left side has a symmetrical configuration with the fourth cutting guide line L14 on the right side.

The rear end wall 12 and the display plate 40 are connected to each other via the fifth cutting guide line L15. The fifth cutting guide line L15 is a perforated line. The fifth cutting guide line L15 may be formed by a half-cut line.
The fifth cutting guide line L15 is formed between the left and right second cutting guide lines L12 and L12 at the upper edge portion (ruled line L3) of the rear end wall 12.

As shown in FIGS. 1 and 2, a sixth cutting guide line L16 extending in the left-right direction is formed on the rear end wall 12. The sixth cutting guide line L16 is arranged at the center of the rear end wall 12 in the vertical direction.
The sixth cutting guide line L16 extends over the leading edges of the left and right rear inner flaps 22, 22. The sixth cutting guide line L16 extends between the upper and lower outer flaps 23 and 24.

The sixth cutting guide wire L16 of the present embodiment is composed of a resin-made third cutting tape T3 attached to the inner surfaces of the rear end wall 12 and the inner flap 22. Then, by pulling the third cut tape T3 outward, the rear end wall 12 and the inner flap 22 can be cut by the third cut tape T3.

As shown in FIG. 2, in the rear end wall 12, a third opening start portion 33 partitioned by a slit is formed at a position corresponding to the central portion of the third cut tape T3. The third cut tape T3 is divided into left and right by the third opening start portion 33.
The third opening start portion 33 is formed so that the wall portion can be cut open toward both the left and right sides. Then, by opening the third opening start portion 33, the end portion of the third cut tape T3 can be pulled outward.

Next, the procedure for opening the packaging box 1 of the present embodiment will be described.
First, by opening the first opening start portion 31 of the packaging box 1 shown in FIG. 1 and pulling the first cut tape T1 to the left and right, respectively, as shown in FIG. 4, the first opening start portion 31 to the second opening start portion 31 are opened. The first cutting guide line L11 can be cut open up to the start portion 32. As a result, the tip edge portion of the display plate 40 is separated from the front end wall 11.

Subsequently, when the display plate 40 is pulled up by putting a hand on the tip edge portion of the display plate 40, the left and right second cutting guide lines L12 and L12 are cut open. As a result, the left and right edges of the display plate 40 are separated from the top plate 15.
Then, when the display plate 40 is raised, as shown in FIG. 5, the central portion of the top plate 15 and the upper portion of the front end wall 11 are opened. As a result, the packaging box 1 is in an opened state, and the contents can be exposed.

The display plate 40 folds the front plate 41 forward with respect to the rear plate 42 at the intermediate line L21. At this time, the central portion of the intermediate line L21 is cut open.
As shown in FIG. 6, when the display plate 40 was erected perpendicularly to the upper edge of the rear end wall 12 and the front plate 41 was superposed on the front surface of the rear plate 42, it was printed on the front surface of the front plate 41. You can show product information and illustrations to the front. As a result, when the packaging boxes 1 in which the display board 40 is erected are lined up in the store, they can be noticed.

Further, by pulling the second cut tape T2 from the left and right second opening start portions 32 and 32, respectively, the left and right third cutting guide lines L13 and L13 can be cut open as shown in FIG. Further, by cutting open the left and right fourth cutting guide lines L14 and L14, the upper half of the front portion of the left side wall 13 and the right side wall 14 can be cut off.

In the packaging box 1 as described above, when the display plate 40 is erected, the central portion of the top plate 15 is opened, and the left and right side end portions 15a and 15a of the top plate 15 remain. As a result, when the display plate 40 of the packaging box 1 is erected, the rear end wall 12 is supported by the left side wall 13, the right side wall 14, and the top plate 15, so that the rear end wall 12 and the display plate 40 are stabilized. Can be done.

In the packaging box 1 of the present embodiment, the upper half of the front portion of the left side wall 13 and the right side wall 14 can be cut off. As a result, the side surface of the content can be exposed, so that the appealability of the content can be enhanced.

In the packaging box 1 of the present embodiment, as shown in FIG. 5, after the first cutting guide line L11 and the left and right second cutting guide lines L12 and L12 are cut open, the fifth cutting guide line is cut open as shown in FIG. By cutting open L15, the display plate 40 (see FIG. 5) can be separated from the rear end wall 12.
As a result, other packaging boxes can be stacked on the packaging box 1 after opening. At this time, since the left and right side ends 15a and 15a of the top plate 15 remain in the packaging box 1, other packaging boxes can be stably stacked on the packaging box 1.

In the packaging box 1 of the present embodiment, as shown in FIGS. 1 and 2, the entire upper portion of the packaging box 1 is cut open by cutting the first cutting guide line L11, the third cutting guide line L13, and the sixth cutting guide line L16. Can be cut out, so that the packaging box 1 can be used as a tray.

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 spirit of the present invention.
In the packaging box 1 of the present embodiment, as shown in FIG. 1, the first cutting guide wire L11, the third cutting guide wire L13, and the sixth cutting guide wire L16 are composed of a cut tape, but the configuration is limited. It is not something that is done. For example, the first cutting guide line L11, the third cutting guide line L13, and the sixth cutting guide line L16 may be composed of perforated lines or half-cut lines.

In the packaging box 1 of the present embodiment, the display plate 40 is folded back and erected, but the display plate 40 may be erected in a single flat plate shape without being folded back.

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

1 Packaging box 10 Bottom plate 11 Front end wall 12 Rear end wall 13 Left side wall 14 Right side wall 15 Top plate 15a Side end 16 Joint piece 21 Front inner flap 22 Rear inner flap 23 Upper outer flap 24 Lower outer flap 31 1st opening start part 32 2nd opening start part 33 3rd opening start part 40 Display plate 41 Front plate 42 Rear plate L11 1st cutting guide line L12 2nd cutting guide line L13 3rd cutting guide line L14 4th cutting guide line L15 5th cutting guide line L16 6th cutting guide line L21 Intermediate line S Blank sheet T1 1st cut tape T2 2nd cut tape T3 3rd cut tape

Claims (3)

With the bottom plate
The front end wall and the rear end wall connected to the bottom plate,
The left and right side walls connected to the bottom plate,
A top plate connected to the upper edge of the rear end wall is provided.
A first cutting guide line extending in the left-right direction is formed on the front end wall.
Left and right second cutting guide lines are formed on the front end wall and the top plate from the first cutting guide line to the upper edge of the rear end wall.
The second cutting guide line, the centrally located side of the side wall, the two second cutting panel between the guiding line is formed Rutotomoni, the side edge portion of said top plate and said second cutting guide line The side end of the top plate is formed between the two .
A third cutting guide line is formed from the first cutting guide line to the front portion of the side wall.
A fourth cutting guide line is formed on the top plate and the side wall from the second cutting guide line to the third cutting guide line .
The packaging box is characterized in that the fourth cutting guide wire extends obliquely forward from the second cutting guide wire at the side end portion of the top plate and is connected to the side edge portion of the top plate. .. The packaging box according to claim 1.
A packaging box characterized in that the rear end wall and the display plate are connected to each other via a fifth cutting guide wire. The packaging box according to claim 1 or 2.
A sixth cutting guide line extending in the left-right direction is formed on the rear end wall.
The packaging box, wherein the sixth cutting guide wire extends from the rear end wall to the rear portion of the side wall.

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