JP2021095137A - Packaging box - Google Patents

Abstract

To provide a packaging box capable of facilitating change work from a transport state to a display state.SOLUTION: A packaging box comprises: a pair of side plates 11 between a top surface and a bottom surface; an inner plate 42 which is coupled to a top surface side rule mark 32 of the side plate 11 and is provided on inside of the side plate 11; an opening 41 which is extended from the top surface side rule mark 32 to a direction of a bottom surface side rule mark 31 on the side plate 11, and causes the inner plate 42 to face outward; and a top surface flap 21 which is provided on inside of a punching line for forming the opening 41 on the side plate 11, and is coupled to the inner plate 42 through the top surface side rule mark 32. The top surface side rule mark 32 comprises: a first part 32x for folding the inner plate 42 to the side plate 11; and a second part 32y for folding the top surface flap 21 to the inner plate 42. The side plate 11 has a cutting line 45 for coupling a specific position of an edge part forming the opening 41 and both corner parts of the inner plate 42 on the top surface side rule mark 32 or further external positions of both corner parts.SELECTED DRAWING: Figure 5

Description

The present invention relates to a packaging box in which a shipping box can also be used for display.

For example, Patent Document 1 describes a packaging box in which a shipping box can also be used for display. In this type of packaging box, a cutting area surrounded by a cutting line composed of perforations is provided on the side surface or the ceiling surface of the box body, and in the exhibition, an opening is formed by cutting the cutting area. .. Then, from the opening, the products and the like stored inside are configured to face outward.

Japanese Patent No. 6531037

In a packaging box such as Patent Document 1, when it is transported to a store or the like in the transported state, it is switched to the display state and displayed. Therefore, in this type of packaging box, it is desired that the work of changing from the transport state to the display state is easy.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a packaging box capable of easily changing from a transportation state to an exhibition state.

The packaging box for solving the above problems is an inner plate that is connected to at least one side plate forming a peripheral wall between the top surface and the bottom surface and a ruled line on the top surface side of the side plate and is located inside the side plate. An opening formed in the side plate in the direction from the top surface side ruled line to the bottom surface side ruled line, the opening in which the inner plate faces outward, and the opening in the side plate. It is configured to be separable from the side plate for configuration, includes a top flap connected to the inner plate via the top side ruled line, and the top side ruled line is a top plate with respect to the side plate. The side plate includes a first portion that makes the top flap bendable with respect to the inner plate, and the side plate has a specific position of an edge portion that constitutes the opening and the said. It is provided with a cutting line connecting both corners of the inner plate or a position further outside the corners of the top side ruled line. According to the above configuration, the packaging box can be changed from a transport state suitable for transportation to an exhibition state suitable for display by cutting the inner plate and the top flap through the cutting line.

In the packaging box, the inner plate may be configured such that the tip end portion is in contact with the bottom surface. According to the above configuration, in the transport state, the side plate is reinforced by the inner plate from the inside.
In the packaging box, the side plate may be configured to include a knob portion protruding inside the opening connected to the cutting line. According to the above configuration, when the packaging box is put into the display state, the cutting line can be easily cut by picking the knob.

In the packaging box, the adjacent side plate adjacent to the side plate is provided with a further top surface flap that is connected via the top surface side ruled line and constitutes the top surface together with the top surface flap, and the further top surface flap is provided. The top surface side ruled line at the position of the surface flap may be composed of a cuttable line. According to the above configuration, the top flap can be easily cut from the adjacent side plate by the cuttable line forming the top side ruled line.

In the packaging box, each of the pair of side plates facing each other may have the opening, the inner plate, and the top flap. According to the above configuration, in the exhibition state, regardless of which of the pair of side plates is facing the front, the stored items can be displayed facing outward from the opening.

In the packaging box, one of the pair of side plates facing each other includes the opening, the inner plate, and the top flap, the top flap is an inner flap, and the other side plate is the top. An outer top surface flap as a lid member constituting the top surface may be provided via a surface side ruled line. According to the above configuration, the packaging box can be changed from the transport state to the display state by opening the lid member and further cutting the inner plate and the top flap through the cutting line.

According to the present invention, the work of changing from the transport state to the display state can be easily performed.

It is a packaging box as the first embodiment, and is the perspective view which shows the transport state. It is a packaging box as the first embodiment, and is the perspective view which shows the display state. The plan view of the blank sheet which manufactures the packaging box as 1st Embodiment. It is a figure explaining the assembly method of the packaging box as 1st Embodiment, and is the perspective view which shows the state which the bottom surface is pumped up. FIG. 4 is a continuation of FIG. 4, which is a perspective view showing a state in which the top flap is positioned on the upper side of the side plate and the inner plate is positioned on the inside of the side plate. FIG. 5 is a continuation of FIG. 5, which is a perspective view showing a state in which the top flap is bent. A perspective view showing a state in which the knob is cut to bring it into an exhibition state. A perspective view showing a state in which the top flap and the inner plate are excised. The plan view of the blank sheet which manufactures the packaging box as a 2nd Embodiment. The plan view of the blank sheet for manufacturing a packaging box as a 3rd Embodiment. It is a figure explaining the assembly method of the packaging box as a 3rd Embodiment, and is the perspective view which shows the state which the bottom surface is pumped up. It is a packaging box as a third embodiment, and is the perspective view which shows the transport state. It is a packaging box as a third embodiment, and is the perspective view which shows the display state. The plan view of the blank sheet which manufactures the packaging box as 4th Embodiment.

Hereinafter, the packaging box to which the present invention is applied will be described with reference to FIGS. 1 to 14.
[First Embodiment]
As shown in FIG. 1, the packaging box 10 is a packaging box that is used not only as a transport box used when transporting products, but also when displaying products at stores.

As shown in FIG. 1, the packaging box 10 includes a front side plate 11 as a first side plate, a right side plate 12 as a second side plate, a rear side plate 13 as a third side plate, and a left side plate 14 as a fourth side plate. These side plates 11 to 14 form a peripheral wall located between the top surface and the bottom surface. The front side plate 11 and the rear side plate 13 are opposite side surfaces and form a length surface, and the right side plate 12 and the left side plate 14 are opposite side surfaces and form a width surface. The right side plate 12 and the left side plate 14 are adjacent side plates adjacent to the front side plate 11 and the rear side plate 13.

The bottom surface of the packaging box 10 is formed on the front bottom flap 16 connected to the front plate 11, the right bottom flap 17 connected to the right plate 12, the rear bottom flap 18 connected to the rear plate 13, and the left plate 14. It is configured in combination with the connected left bottom flap 19. The top surface of the packaging box 10 is a front top surface flap 21 (see FIGS. 3 and 5) connected to the front side plate 11, a right top surface flap 22 connected to the right side plate 12, and a rear surface connected to the rear side plate 13. The surface flap 23 (see FIGS. 3 and 5) and the left top surface flap 24 connected to the left side plate 14 are combined.

The front side plate 11 includes a front opening 41 cut out from the upper edge on the top surface side toward the bottom surface side, and the front opening 41 is closed by the front inner plate 42 from the inside of the front side plate 11. .. The rear side plate 13 also has a rear opening 43 cut out from the upper edge on the top surface side toward the bottom surface side, and the rear opening 43 is closed by the rear inner plate 44 from the inside of the rear side plate 13. .. The front top flap 21 is configured inside the punch line for forming the front opening 41, and the rear top flap 23 is configured inside the punch line for forming the rear opening 43.

The front side plate 11 is provided with a front cutting line 45 that connects two specific positions near the top surface of the front opening 41 to both corners on the top surface side of the front inner plate 42. .. The rear side plate 13 is provided with a rear cutting line 46 that connects the edge portion of the rear opening 43 and a specific position close to the top surface to both corners on the base end side of the rear inner plate 44 on the top surface side.

The packaging box 10 is transported in the transport state shown in FIG. 1, and at the time of display, it is in the display state shown in FIG. That is, in the transport state, the front opening 41 is closed by the front inner plate 42 from the inside of the front side plate 11, and the rear opening 43 is closed by the rear inner plate 44 from the inside of the rear side plate 13, and the inside is stored. Things are hidden. When the display is in the display state, the packaging box 10 cuts the front cutting line 45 and the rear cutting line 46. As a result, the front inner plate 42 and the front top surface flap 21 are removed from the front side plate 11, and the front opening 41 is opened. Further, the rear inner plate 44 and the rear top surface flap 23 are removed from the rear side plate 13, and the rear opening 43 is opened. Further, the right top surface flap 22 is removed from the right side plate 12, and the left top surface flap 24 is removed from the left side plate 14. As a result, regions extending from the front surface, the top surface, and the rear surface of the packaging box are opened, and the stored items 9 stored in the packaging box 10 are exposed from the openings.

FIG. 3 is a blank sheet 1 of the packaging box 10.
In the blank sheet 1, the front side plate 11, the right side plate 12, the rear side plate 13, and the left side plate 14 are arranged in this order. The front bottom plate 11 is connected to the front bottom flap 16 on the bottom surface side, and the front inner plate 42 is connected to the top surface side. The left bottom surface flap 19 is connected to the left side plate 14 on the bottom surface side, and the left top surface flap 24 is connected to the top surface side. A rear bottom surface flap 18 is connected to the rear side plate 13 on the bottom surface side, and a rear inner plate 44 is connected to the top surface side. The left bottom surface flap 19 is connected to the left side plate 14 on the bottom surface side, and the left top surface flap 24 is connected to the top surface side.

The bottom flaps 16 to 19 with respect to the side plates 11 to 14 can be bent by the bottom side ruled line 31 located at the lower edge of the side plates 11 to 14. The bottom side ruled line 31 is composed of a compression groove that is not premised on cutting. The top flaps 21 to 24 can be bent by the top side ruled lines 32 located at the upper edges of the side plates 11 to 14. The top surface side ruled line 32 is a folding line 32a formed by a compression groove in which the positions of the front top surface flap 21 and the rear top surface flap 23 are not premised on cutting, and the positions of the right top surface flap 22 and the left top surface flap 24 are cut. It is a break line 32b which is a possible line. As an example, the break line 32b is formed by arranging cuts bent in a key shape.

The folding line 32a, which is the front and rear side sides, includes a first portion 32x and a second portion 32y. The first portion 32x is a portion that supports the inner plates 42 and 44, and the second portion 32y is a portion that supports the front and rear top flaps 21 and 23. That is, the first portion 32x is located on both sides on the front side side and the rear side side, and supports the inner plates 42 and 44 in a bendable manner, and the second portion 32y is the first portion having two sides on each side. It is located between 32x and supports the front and rear top flaps 21 and 23 in a bendable manner.

Further, the right side plate 12 can be bent by the first ruled line 33 with respect to the front side plate 11, the rear side plate 13 can be bent by the second ruled line 34 with respect to the right side plate 12, and the left side plate 14 can be bent by the second ruled line 34. , The rear side plate 13 can be bent by the third ruled line 35. A joint margin 26 is provided on the side edge of the front side plate 11 in the height direction, and the joint margin 26 can be bent with respect to the front side plate 11 by the fourth ruled line 36. The joint margin 26 is connected to the left side plate 14 by an adhesive means such as an adhesive, staples, or adhesive tape. The ruled lines 33 to 36 are composed of compression grooves that are not premised on cutting.

The front side plate 11 includes a front punched line 37 as a first cutting line in which two ends are arranged on a top surface side ruled line 32. The front punched line 37 is a penetrating and continuous line. The front punched line 37 has two ends located near the first ruled line 33 and the fourth ruled line 36 of the top surface side ruled line 32, and extends in the direction of the bottom surface side ruled line 31 so as to form a trapezium. Exists. The area surrounded by the top surface side ruled line 32 and the front punching line 37 is a portion to be the front top surface flap 21. Further, the front side plate 11 includes a front cutting line 45 as a second cutting line connecting a specific position near the top surface of the front punching line 37 to both corners on the base end side of the top surface side of the front inner plate 42. There is. Both corners on the base end side of the front inner plate 42 are also both ends on the front side of the top surface side ruled line 32. Then, on the extension line of the front cutting line 45, a front knob portion 37a is provided so as to enter the area surrounded by the top surface side ruled line 32 and the front punching line 37.

The rear side plate 13 also includes a rear punched line 38 as a first cutting line in which two ends are arranged on the top surface side ruled line 32. The post-punched line 38 is also a penetrating and continuous line. The rear punched line 38 has two ends located near the second ruled line 34 and the third ruled line 35 of the top surface side ruled line 32, and extends in the direction of the bottom surface side ruled line 31 so as to form a trapezium. Exists. The area surrounded by the top surface side ruled line 32 and the rear punching line 38 is a portion to be the rear top surface flap 23. Further, the rear side plate 13 is provided with a rear cutting line 46 as a second cutting line connecting a specific position near the top surface of the rear punching line 38 to both corners on the base end side of the rear inner plate 44 on the top surface side. There is. The both corners on the base end side of the rear inner plate 44 on the top surface side are also both ends on the rear surface side side of the top surface side ruled line 32. Then, on the extension line of the rear cutting line 46, a rear pinching portion 38a is provided so as to enter the area surrounded by the top surface side ruled line 32 and the rear punching line 38.

The blank sheet 1 is printed on the surface of the packaging box 10. However, the inner surfaces of the inner plates 42 and 44 face outward from the openings 41 and 43. Therefore, if the inner surfaces of the inner plates 42 and 44 are printed, the printing will face outward from the openings 41 and 43.

Next, a method of assembling the packaging box 10 will be described.
As shown in FIG. 4, the front side plate 11 and the left side plate 14 are connected by a joint margin 26 to form a tubular shape, and then the right bottom flap 17 and the left bottom flap 19 are bent at the bottom side ruled line 31, and then The front bottom flap 16 and the rear bottom flap 18 are bent at the bottom side ruled line 31. The front bottom flap 16 has an engaging protrusion 16a at the tip, and the rear bottom flap 18 has an engaging recess 18a at the tip. The bottom surface is formed by engaging the engaging protrusion 16a and the engaging recess 18a. On the top surface side, the front inner plate 42 extends upward from the front side plate 11, the right top surface flap 22 extends upward from the right side plate 12, and the rear inner plate 44 extends upward from the rear side plate 13. The left top flap 24 extends upward from the left plate 14.

As shown in FIG. 5, in the front side plate 11, the front top surface flap 21 surrounded by the front punching line 37 faces from the inside to the outside, and the front inner plate 42 faces from the outside to the inside with the top surface side ruled line 32 as the axis. To separate the front top flap 21 from the front plate 11, position it above the front plate 11, and position the front inner plate 42 inside the front plate 11. Further, in the rear side plate 13, the rear top surface flap 23 surrounded by the rear punching line 38 is rotated from the inside to the outside and the rear inner plate 44 is rotated from the outside to the inside with the top surface side ruled line 32 as an axis. The surface flap 23 is separated from the rear side plate 13 and positioned above the rear side plate 13, and the rear inner plate 44 is positioned inside the rear side plate 13.

At this time, the inner plates 42 and 44 are bent with respect to the side plates 11 and 13 at the first portion 32x in the top surface side ruled line 32. As a result, the front opening 41 of the front side plate 11 is closed from the inside by the front inner plate 42, and the rear opening 43 of the rear side plate 13 is closed from the inside by the rear inner plate 44. The front inner plate 42 and the rear inner plate 44 are in a state in which the front end portion abuts on the bottom surface and the front surface and the rear surface are reinforced.

In the state shown in FIG. 5, the packaging box 10 is in a state in which the stored items 9 can be stored. On the front surface of the packaging box 10, the design printed on the surface of the front side plate 11 appears outward around the front opening 41, but from the front opening 41, the design printed on the inner surface of the front inner plate 42 appears. It will appear on the outside. Similarly, on the rear surface of the packaging box 10, the design printed on the surface of the rear side plate 13 appears outward around the rear opening 43, but from the rear opening 43, it is printed on the inner surface of the rear inner plate 44. The design will appear on the outside.

When the stored object 9 is stored, as shown in FIG. 6, the front top surface flap 21 and the rear top surface flap 23 are bent inward via the second portion 32y of the top surface side ruled line 32. The front surface flap 21 and the rear surface flap 23 are inner flaps and overlapped flaps. Next, the right top surface flap 22 and the left top surface flap 24 are bent inward at the portion of the break line 32b of the top surface side ruled line 32. The right top flap 22 and the left top flap 24 are outer flaps and butt flaps. Then, the right top flap 22 and the left top flap 24 are sealed by an adhesive means such as an adhesive, staples, and adhesive tape, and are in a transport state (see FIG. 1). In this state, the packaging box 10 is transported.

At the time of displaying the product, as shown in FIG. 7, the front cutting line 45 of the front side plate 11 is cut from the front picking portion 37a as a starting point. As a result, as shown in FIG. 8, the first portion 32x of the top surface side ruled line 32 is removed from the front side plate 11, and the front top surface flap 21 and the front inner plate 42 are cut off. Similarly, in the rear side plate 13, the rear cutting line 46 is cut starting from the rear pinching portion 38a. As a result, the first portion 32x of the top surface side ruled line 32 is removed from the rear side plate 13, and the rear top surface flap 23 and the rear inner plate 44 are cut off. Further, the right top surface flap 22 and the left top surface flap 24 are also cut off from the right side plate 12 and the left side plate 14 by cutting the break line 32b. As a result, as shown in FIG. 2, in the packaging box 10, the stored items 9 are exposed and displayed on a product shelf or the like.

According to the packaging box 10 as described above, the effects listed below can be obtained.
(1-1) In the packaging box 10, the top flaps 21 and 23 and the inner plates 42 and 44 can be cut off only by cutting the cutting lines 45 and 46. Therefore, the packaging box 10 can be easily changed from the transport state to the display state.

(1-2) In the transport state, the front and rear surfaces of the packaging box 10 show the design printed on the surface of the side plates 11 and 13, but the design printed on the inner surface from the openings 41 and 43. Will appear on the outside. This makes it possible to increase the degree of freedom in designing the packaging box 10.

(1-3) In the transportation state, the front surface and the rear surface of the packaging box 10 have a double structure of front and rear side plates 11 and 13 having openings 41 and 43 and a front inner plate 42. Therefore, the packaging box 10 can increase the strength in the transport state.

(1-4) In the transport state, the openings 41 and 43 of the front and rear surfaces of the packaging box 10 are closed by the inner plates 42 and 44, and the vulnerable parts are only the small cutting lines 45 and 46. Therefore, even when an obstacle or the like hits the front surface or the rear surface of the packaging box 10 during transportation or the like, the cutting lines 45 and 46 can be broken by the external force, and the stored items 9 can be prevented from being partially exposed.

(1-5) In the transport state, the front and rear surfaces can be reinforced by the tips of the inner plates 42 and 44 coming into contact with the bottom surface of the packaging box 10.
(1-6) When the packaging box 10 is put into the display state, the cutting lines 45 and 46 can be easily cut by picking the knobs 37a and 38a.

(1-7) When the packaging box 10 is put into the display state, the right top flap 22 and the left top flap 24 are easily separated from the right side plate 12 and the left side plate 14 by the breaking line 32b forming the top surface side ruled line 32. Can be excised.

(1-8) When the packaging box 10 is in the display state, the front top flap 21 and the front inner plate 42 of the packaging box 10 are cut off from the front side, and the rear top flap 23 and the rear inner plate 44 are cut off from the rear side. The day before yesterday. Further, the right top flap 22 and the left top flap 24 can also be excised. Therefore, the packaging box 10 can increase the range in which the stored items 9 are exposed. Then, regardless of whether the packaging box 10 is placed with the front surface or the rear surface facing forward, the stored items 9 can be exposed from the opening located on the front side.

[Second Embodiment]
FIG. 9 shows the blank sheet 1 of the packaging box 10 in the second embodiment.
In the first embodiment, the front surface flap 21 and the rear surface flap 23 were overlapped flaps, but in the second embodiment, the tip portion of the front surface flap 21 and the tip end portion of the rear surface flap 23 abut each other. It is a flap.

Therefore, in the blank sheet 1, the distance L1 from the top surface side ruled line 32 of the front top surface flap 21 to the tip is from the distance L2 from the top surface side ruled line 32 of the front opening 41 to the edge closest to the bottom surface side ruled line 31. It gets shorter. Therefore, in the state of the blank sheet 1, the front through hole 48 is formed in the front side plate 11. Similarly, the distance L1 from the top surface side ruled line 32 of the rear top surface flap 23 to the tip is shorter than the distance L2 from the top surface side ruled line 32 of the rear opening 43 to the edge portion closest to the bottom surface side ruled line 31. Therefore, in the state of the blank sheet 1, a rear through hole 49 is formed in the rear side plate 13. The same effect as that of the first embodiment can be obtained by the second embodiment as described above.

The first to second embodiments can be appropriately modified and implemented as follows.
-In the exhibited state, the right top flap 22 and the left top flap 24 do not have to be cut off from the right plate 12 and the left plate 14. In this case, in the top surface side ruled line 32, the portion supporting the right top surface flap 22 and the left top surface flap 24 may not be formed by perforations, but may be a cuttable line having another configuration.

The portion of the top surface side ruled line 32 that supports the right top surface flap 22 and the left top surface flap 24 may be formed by a groove that is not premised on cutting.
-The shape and size of the front-picking portion 37a and the back-picking portion 38a may not be different, or either one of the front-picking portion 37a and the back-picking portion 38a may be omitted, or the front-picking portion may be omitted. Both the portion 37a and the post-picking portion 38a may be omitted.

-The shapes of the openings 41 and 43 are not limited to the trapezium shape. Further, the size is not particularly limited. Further, the shape and size of the front opening 41 and the rear opening 43 do not have to be the same.

The front inner plate 42 and the rear inner plate 44 do not have to come into contact with the bottom surface of the packaging box 10 as long as they have a size capable of closing the openings 41 and 43.
-The cutting lines 45 and 46 may be provided so that the inner plates 42 and 44 can be cut from the side plates 11 and 13. That is, even if the cutting lines 45 and 46 connect from a specific position near the top surface of the punching lines 37 and 38 to a position further outside from both corners on the base end side of the top surface side of the inner plates 42 and 44. Good. More specifically, the cutting lines 45 and 46 are on the top surface side ruled line 32 from a specific position, further outside both corners on the top surface side of the inner plates 42 and 44, and on the front and rear surfaces. It may connect the positions inside the corners.

The cutting lines 45 and 46 are edges of the openings 41 and 43 and are not limited to a configuration extending from two specific positions near the top surface. For example, the cutting lines 45 and 46 may extend from a position close to the bottom surface of the openings 41 and 43.

The front punched line 37 and the rear punched line 38 as the first cutting line need be such that the top flap 21 and the top flap 23 can be easily separated from the front side plate 11 and the rear side plate 13, such as perforations. It may be composed of.

The configurations of the openings 41, 43, inner plates 42, 44, and top flaps 21 and 23 are not provided on the front side plate 11 and the rear side plate 13 of the packaging box 10, but on the right side plate 12 and the left side plate 14. It may be provided. Further, it may be provided only on one of the front side plate 11 and the rear side plate 13. Further, it may be provided only on one of the right side plate 12 and the left side plate 14. Further, the front side plate 11 and the right side plate 12 and the rear side plate 13 and the left side plate 14 may be provided on the side plates adjacent to each other. Further, it may be provided on all four side plates constituting the peripheral wall.

[Third Embodiment]
10 to 13 show the blank sheet 1 of the packaging box 10 according to the third embodiment. In the packaging box 10 according to the third embodiment, the front top surface flap 51 connected to the front side plate 11 is an outside top surface flap, which serves as a lid member in a transport state.

FIG. 10 shows a blank sheet 1 of the packaging box 10 according to the third embodiment.
The front side plate 11 includes a front top surface flap 51 via a top surface side ruled line 32. The tip of the front top surface flap 51 includes an insertion piece 52. The insertion piece 52 is provided via the fifth ruled line 53. Unlike the front side plate 11 of the packaging box 10 in the first and second embodiments described above, the front side plate 11 is not provided with a front top flap in the front side plate 11, and the front inner plate 42 is not provided. Is not provided.

The rear side plate 13 has the same configuration as that of the first embodiment. That is, the rear side plate 13 includes a rear punching line 38. The area surrounded by the top surface side ruled line 32 and the rear punching line 38 is the area to be the rear top surface flap 23. Further, the rear side plate 13 includes a rear cutting line 46, and a rear pinching portion 38a is provided on an extension line of the rear cutting line 46. However, the top surface side ruled line 32, which is the base end portion of the rear top surface flap 23, is provided with an insertion hole 54.

The packaging box 10 in the third embodiment as described above is assembled as follows.
When the bottom surface is assembled, on the top surface side, the front top surface flap 51 extends upward from the front side plate 11, the right top surface flap 22 extends upward from the right side plate 12, and the rear inner plate 44 extends upward from the rear side plate 13. The left top flap 24 extends upward from the left plate 14.

Then, as shown in FIG. 11, in the rear side plate 13, the rear top flap 23 surrounded by the rear punched lines 38 is from the inside to the outside, and the rear inner plate 44 is from the outside to the inside, with the top surface side ruled line 32 as the axis. The rear top flap 23 is separated from the rear side plate 13 and positioned above the rear side plate 13, and the rear inner plate 44 is positioned inside the rear side plate 13. As a result, the rear opening 43 of the rear side plate 13 is closed from the inside by the rear inner plate 44. In this state, the packaging box 10 stores the stored items 9.

As shown in FIG. 12, when the stored object 9 is stored, the right top surface flap 22 and the left top surface flap 24 are bent inward via the top surface side ruled line 32. Further, the rear top surface flap 23 is bent inward via the second portion 32y of the top surface side ruled line 32. Then, the front top surface flap 21 is bent inward via the top surface side ruled line 32, and the insertion piece 52 is inserted into the insertion hole 54. As a result, the packaging box 10 is put into a transport state and is transported.

At the time of displaying the product, as shown in FIG. 13, the rear cutting line 46 is cut from the rear side plate 13 starting from the rear pinching portion 38a. As a result, the second portion 32y is removed from the rear side plate 13, and the rear top flap 23 and the rear inner plate 44 are cut off. Further, the insertion piece 52 is detached from the insertion hole 54. As a result, the front top surface flap 51 is opened. Further, the right top flap 22 and the left top flap 24 are also cut off from the right side plate 12 and the left side plate 14 at the break line 32b. As a result, in the packaging box 10, the stored items 9 are exposed and displayed on a product shelf or the like.

According to the packaging box 10 as described above, the effects listed below can be obtained.
(3-1) On the rear surface of the packaging box 10, the design printed on the surface of the rear side plate 13 appears on the outside, but the rear inner plate 44 that closes the front opening 41 and the rear opening 43 is printed on the inner surface. The design will appear on the outside. This makes it possible to increase the degree of freedom in designing the packaging box 10.

(3-2) In the transport state, the rear surface of the packaging box 10 has a double structure of the rear side plate 13 and the rear inner plate 44, and the strength can be increased.
(3-3) In the transport state, the rear opening 43 of the packaging box 10 is closed by the rear inner plate 44, and the fragile portion is provided with only a small rear cutting line 46. Therefore, even when an obstacle or the like hits the rear surface of the packaging box 10 during transportation or the like, the cutting line is broken by the external force, and it is possible to prevent the stored object 9 from being partially exposed.

(3-4) When the packaging box 10 is displayed, the rear cutting line 46 is broken starting from the rear pinching portion 38a, and the rear top flap 23 and the rear inner plate 44 are easily cut from the rear side plate 13. can do.

(3-5) When the packaging box 10 is in the display state, the rear top flap 23 and the rear inner plate 44 of the packaging box 10 are cut off from the rear surface side. Further, the right top flap 22 and the left top flap 24 can also be excised. Therefore, the range in which the stored object 9 is exposed can be increased.

The third embodiment may be modified as appropriate and implemented as follows.
-The rear top flap connected to the rear plate may be an outer flap and serve as a lid member in a transport state. In this case, the front side plate may be provided with an opening and a top flap separated from the front side plate to form the inner plate and the opening.

-In the exhibited state, the front surface flap 21 which is a lid member may also be cut off if necessary. When the front surface flap 21 is cut off, the portion of the front surface flap 21 of the top surface side ruled line 32 may be formed of a breaking line 32b instead of the folding line 32a.

[Fourth Embodiment]
FIG. 14 shows the blank sheet 1 of the packaging box 10 in the fourth embodiment.
In the packaging boxes 10 of the first to third embodiments, top flaps 21 and 23 formed inside the inner plates 42 and 44 and the punching lines 37 and 38 are provided on the right side plate 12 which is the width surface. I am trying to do it. In the fourth embodiment, the insertion piece 52 and the insertion hole 54 may be provided, but they are not provided here.

Specifically, the right side plate 12 includes a right punched line 63 as a first cutting line in which two ends are arranged on the top surface side ruled line 32. The right punched line 63 has two ends located near the first ruled line 33 and the second ruled line 34 of the top surface side ruled line 32, and extends in the direction of the bottom surface side ruled line 31. The area surrounded by the top surface side ruled line 32 and the right punching line 63 is a portion to be the right top surface flap 62. Further, the right side plate 12 includes a right cutting line 64 connecting a specific position near the top surface of the right punching line 63 to both corners on the base end side of the top surface side of the right inner plate 61. Then, on the extension line of the right cutting line 64, a right picking portion 64a is provided so as to enter the area surrounded by the top surface side ruled line 32 and the right punching line 63.

The top surface side ruled line 32 is composed of a compression groove in which the positions of the front top surface flap 21 and the rear top surface flap 23 are break lines 32b, and the positions of the right top surface flap 62 and the left top surface flap 24 are not premised on cutting. It is a folding line 32a.

The packaging box 10 according to the fourth embodiment as described above is assembled as follows.
When the bottom surface is assembled, on the top surface side, the front top surface flap 21 extends upward from the front side plate 11, the inner plate 61 extends upward from the right side plate 12, and the rear top surface flap 23 extends upward from the rear side plate 13. The left top flap 24 extends upward from the left plate 14. Then, in the right plate 12, the right top flap 62 surrounded by the right punch line 63 is rotated from the inside to the outside, the right inner plate 61 is rotated from the outside to the inside, and the right top flap 62 is rotated from the right plate 12 to the right plate 12. The right inner plate 61 is located inside the right side plate 12 so as to be separated from the right side plate 12 and located above the right side plate 12. As a result, the right opening 65 of the right side plate 12 is closed from the inside by the right inner plate 61. In this state, the packaging box 10 stores the stored items 9.

When the storage object 9 is stored, the right top flap 62 and the left top flap 24 are bent inward at the second portion 32y, and then the front top flap 21 and the rear top flap 23 are bent inward. .. In this state, the packaging box 10 is transported. Then, at the time of displaying the product, the right side plate 12 picks the right picking portion 64a and the right cutting line 64 is cut. As a result, the first portion 32x is removed from the right plate 12, and the right top flap 62 and the right inner plate 61 are excised. Further, the top surface side ruled line 32 of the front top surface flap 21 and the rear top surface flap 23 is also cut off. As a result, in the packaging box 10, the stored items 9 are exposed and displayed on a product shelf or the like. The same effect as that of the third embodiment can be obtained by the fourth embodiment as described above.

[Other Embodiments]
The first to fourth embodiments can be modified as appropriate and implemented as follows.
-The material of the packaging box is not limited to corrugated cardboard, and may be, for example, thick paper.

1 ... Blank sheet 10 ... Packaging box 11-14 ... Side plates 16-19 ... Bottom flaps 21-24 ... Top flap 31 ... Bottom side ruled line 32 ... Top side ruled line 32a ... Folded line 32b ... Breaking line 32x ... First part 32y ... Second part 33-36 ... Ruled lines 37, 38 ... Punched lines 37a, 38a ... Picking portions 41, 43 ... Openings 42, 44 ... Inner plates 45, 46 ... Cutting lines

Claims (6)

At least one side plate forming a peripheral wall between the top surface and the bottom surface,
An inner plate connected to the top side ruled line of the side plate and located inside the side plate,
In the side plate, an opening formed in the direction from the top surface side ruled line to the bottom surface side ruled line, and the opening in which the inner plate faces outward.
The side plate includes a top flap that is separably configured from the side plate to form the opening and is connected to the inner plate via the top side ruled line.
The top surface side ruled line includes a first portion that makes the inner plate bendable with respect to the side plate, and a second portion that makes the top surface flap bendable with respect to the inner plate.
The side plate is a packaging box provided with a cutting line connecting a specific position of an edge portion constituting the opening and a position outside of both corners or both corners of the inner plate on the top surface side ruled line. The packaging box according to claim 1, wherein the inner plate is in contact with the bottom surface. The packaging box according to claim 1 or 2, wherein the side plate includes a knob projecting inside the opening connected to the cutting line. An adjacent side plate adjacent to the side plate is provided with a further top surface flap that is connected via the top surface side ruled line and constitutes the top surface together with the top surface flap.
The packaging box according to any one of claims 1 to 3, wherein the top surface side ruled line at the position of the further top surface flap is composed of a cuttable line. The packaging box according to any one of claims 1 to 4, wherein each of the pair of side plates facing each other includes the opening, the inner plate, and the top flap. One of the pair of side plates facing each other includes the opening, the inner plate, and the top flap.
The top flap is an inner flap,
The packaging box according to any one of claims 1 to 4, wherein the other side plate includes a flap outside the top surface as a lid member constituting the top surface via the top surface side ruled line.

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