Packaging container

Abstract

To provide a technique for suppressing thickening of a portion arranged with a lid.SOLUTION: A packaging container comprises: a main body having a bottom plate and side plates; and a lid rotatably connected to the main body. The main body comprises: an overlapping plate arranged overlapping the lid in a closed state in which the lid is closed with respect to the main body; a display board connected to the overlapping plate via a first folding line and arranged on a flat plate same as the overlapping plate in the closed state; and a connecting piece connected to the display board via a second folding line, extending to the lid, and rotatably joined to the lid. The lid is connected to the overlapping plate via a third folding line, and rotates with respect to the overlapping plate about the third folding line to move from the closed state to a first open state where it can rise with respect to the main body, and the display board may rotate about the first folding line with respect to the overlapping plate to rise by moving together with the lid when the lid moves from the closed state to the first open state.SELECTED DRAWING: Figure 6

Description

Technical Field

[0001] The technology disclosed by this specification relates to a packaging container.

Background Art

[0002] Patent Document 1 discloses a cardboard box in which a display board rises when an opening / closing lid is opened. The display board is disposed between the opening / closing lid and an inner lid. The display board and the opening / closing lid are connected via a triggering board and an adhesive board extending from the opening / closing lid.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the above technology, in a state where the opening / closing lid is closed, since the display board, the triggering board, and the adhesive board are overlapped and disposed between the inner lid and the opening / closing lid, the board sandwiched between the inner lid and the opening / closing lid becomes thick.

[0005] This specification discloses a technology for suppressing the thickening of the portion disposed with the lid.

Means for Solving the Problems

[0006] This specification discloses a packaging container. The packaging container includes a main body having a bottom plate and side plates, and a lid rotatably connected to the main body. The main body includes a duplicate plate disposed overlapping the lid in a closed state where the lid is closed with respect to the main body, a display plate connected to the duplicate plate via a first bending line and disposed on the same flat plate as the duplicate plate in the closed state, and a connecting piece connected to the display plate via a second bending line, extending to the lid, and rotatably joined to the lid. The lid is connected to the duplicate plate via a third bending line and is movable from the closed state to a first open state where it stands up with respect to the main body by rotating with respect to the duplicate plate about the third bending line. The display plate may rotate and stand up with respect to the duplicate plate about the first bending line by moving together with the lid when the lid moves from the closed state to the first open state.

[0007] In this configuration, in the closed state where the lid is closed, the display plate is disposed on the same flat plate as the duplicate plate. Therefore, it is possible to avoid a state where the display plate is disposed between the duplicate plate and the lid. Thereby, it is possible to suppress an increase in the thickness of the portion overlapping with the lid.

Brief Description of the Drawings

[0008]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Embodiments for Carrying Out the Invention

[0009] List the main features of the embodiments described below. Note that the technical elements described below are each independent technical elements, which exhibit technical utility alone or in various combinations, and are not limited to the combinations described in the claims at the time of filing.

[0010] (Feature 1) The lid is connected to the side plate via a fourth folding curve, and the fourth folding curve is arranged on the side opposite to the third folding curve with the lid in between. The lid can be moved from the second open state to the closed state with respect to the main body by rotating around the fourth folding curve together with the overlapping plate connected via the third folding curve.

[0011] In this configuration, the packaging container can be assembled by rotating the overlapping plate and the lid around the fourth folding curve, and the packaging container can be opened by rotating the lid around the third folding curve. According to this configuration, when assembling the packaging container, the object can be stored in the packaging container with the overlapping plate and the lid open. When opening, the display plate can be raised by arranging the overlapping plate on the side plate side.

[0012] (Feature 2) The lid is provided with a breaking portion extending from one end to the other end of the lid between the third folding curve and the fourth folding curve. The connecting piece is joined to the lid on the side of the third folding curve rather than the breaking portion. The lid may be movable from the closed state to the first open state by breaking the breaking portion and rotating around the third folding curve with respect to the overlapping plate.

[0013] According to this configuration, the packaging container can be easily opened by breaking the breaking portion.

[0014] (Feature 3) In the closed state, the overlapping plate may be engaged with the side plate to restrict movement with respect to the side plate.

[0015] According to this configuration, when moving the lid from the closed state to the second open state, the overlapping plate can be positioned on the side plate side without fixing the overlapping plate and the side plate by adhesion or the like.

[0016] (Example) As shown in FIG. 1, the packaging container 10 has a rectangular parallelepiped shape. The packaging container 10 may have other shapes such as a cubic shape. The packaging container 10 is used for packaging, transporting, and storing an object to be housed therein. The packaging container 10 includes a main body 12 and a lid 14 located above the main body 12. As shown in FIG. 2, the packaging container 10 is produced by assembling a developed body 100. The developed body 100 is a single flat cardboard sheet. The developed body 100 is not limited to cardboard, and may be made of, for example, flat cardboard, resin, or the like.

[0017] In FIG. 2, the folding lines are represented by thin broken lines. In the portions corresponding to the folding lines, grooves are formed in the cardboard so as to be more easily foldable than other portions. Further, there are portions where slits are appropriately arranged in the folding lines. The slit is a cut that penetrates the flat plate and has a small or no gap. In this embodiment, as shown in FIG. 1, the front-rear, left-right, and up-down directions are defined. These directions are defined for the purpose of explanation and do not indicate the directions when the packaging container 10 is used. In FIG. 2, the area where the adhesive is applied is represented by parallel oblique lines. Note that the plates may be joined by a method other than using an adhesive.

[0018] The main body 12 includes a bottom plate 20, four side plates 22, 24, 26, 28, an overlapping plate 16, a display portion 18, bending pieces 32, 34, adhesive pieces 36, 38, and upper end pieces 92, 96, 98. Hereinafter, unless otherwise noted, the description will be made using the directions in the packaging container 10 in the state where the lid 14 is closed (i.e., the state of FIG. 1) after the unfolded body 100 is assembled. The bottom plate 20 has a rectangular flat plate shape. Each of the four sides of the bottom plate 20 is connected to each of the side plates 22, 24, 26, 28 via a bending line. A bending piece 32 is connected to the front end of the side plate 22 via a bending line. Also, an upper end piece 92 is connected to the upper end of the side plate 22. An engaging hole 82 is disposed at the corner between the side plate 22 and the upper end piece 92. The engaging hole 82 is formed by a slit in the unfolded body 100. The engaging hole 82 is configured such that when the upper end piece 92 is bent with respect to the side plate 22 from the unfolded body 100, the slit opens and becomes an opening.

[0019] The side plate 26 is disposed sandwiching the side plate 22 and the bottom plate 20. Each of the side plate 26, the bending piece 34, the upper end piece 96, and the engaging hole 86 has the same configuration as each of the side plate 22, the bending piece 32, the upper end piece 92, and the engaging hole 82.

[0020] The side plate 24 is connected to the front side of the bottom plate 20, and the side plate 28 is connected to the rear side of the bottom plate 20. Each of the adhesive pieces 36, 38 is connected to each of the left and right ends of the side plate 28 via a bending line. An upper end piece 98 is connected to the upper end of the side plate 28 via a bending line.

[0021] An engaging hole 80 is disposed at the corner between the side plate 28 and the upper end piece 98. The engaging hole 80 is formed by a slit in the unfolded body 100. The engaging hole 80 is configured such that when the upper end piece 98 is bent with respect to the side plate 28 from the unfolded body 100, the slit opens and becomes an opening.

[0022] At the upper end of the side plate 24, a lid 14 is connected via a folding line 60. The lid 14 has a flat plate shape that is substantially the same quadrilateral as the bottom plate 20. In the lid 14, breaking parts 52 and 54 are arranged. Each of the breaking parts 52 and 54 has a perforation in which a plurality of slits are arranged at intervals. The breaking part 52 extends obliquely to the right from the front end of the lid 14 toward the rear. The breaking part 54 extends obliquely to the left from the front end of the lid 14 toward the rear. At the front end of the lid 14, the breaking parts 52 and 54 are arranged spaced apart from each other. An insertion part 56 is arranged in the side plate 24 between the breaking parts 52 and 54 in the left-right direction. In the insertion part 56, slits and folding lines are arranged in the side plate 24 so that a user's finger can be inserted beyond the side plate 24.

[0023] At the front edge of the lid 14, that is, the edge opposite to the side plate 24, an engaging piece 70 and an overlapping plate 16 are arranged. The engaging piece 70 is connected via a folding line 62 at the center in the left-right direction of the lid 14. The engaging piece 70 has a length that is substantially equal to that of the engaging hole 80 in the left-right direction. The overlapping plate 16 is connected to the lid 14 via a folding line 62. An opening that surrounds the engaging piece 70 is formed at the end of the overlapping plate 16 on the lid 14 side. Thereby, a gap is formed between the overlapping plate 16 and the engaging piece 70 in the left-right direction. The end of the engaging piece 70 opposite to the lid 14 is connected to the overlapping plate 16 via a perforation in the unfolded body 100. According to this configuration, when the user separates the engaging piece 70 from the overlapping plate 16, the user can insert a finger into the gaps arranged on the left and right of the engaging piece 70. From this, the engaging piece 70 can be easily separated from the overlapping plate 16.

[0024] The overlapping plate 16 extends from the rear end of the packaging container 10 to the intermediate position in the front-rear direction. At each of the left and right edges of the overlapping plate 16, each of the engaging pieces 72 and 74 is connected via a folding line. Each of the engaging pieces 72 and 74 is formed longer than each of the engaging holes 82 and 86 in the front-rear direction except for the ends on the overlapping plate 16 side. The ends of the engaging pieces 72 and 74 on the overlapping plate 16 side have a length that is substantially the same as that of the engaging holes 82 and 86 in the front-rear direction.

[0025] At the center of the overlapping plate 16 in the left - right direction, a display portion 18 is arranged. The display portion 18 includes a display plate 18a, a connecting piece 18b, and an adhesive piece 18c. The display plate 18a has a front - end edge that is in the same position as the front - end edge of the overlapping plate 16 in the front - rear direction. The rear - end edge of the display plate 18a is arranged at a position in the unfolded body 100 that is separated from the lid 14 more than the engaging piece 70. The edge of the display plate 18a on the side of the engaging piece 70 is connected to the overlapping plate 16 via a folding line 68. The front - and - rear edges of the display plate 18a in the front - rear direction are arranged parallel to each other. The front - and - rear edges of the display plate 18a are arranged parallel to the front - end edge and the rear - end edge of the lid 14. Each of the left - and - right end edges of the display plate 18a is connected to the overlapping plate 16 via a perforation.

[0026] Patterns, characters, etc. are printed on the display plate 18a in advance.

[0027] A connecting piece 18b is arranged at the edge of the display plate 18a via a folding line 64. The connecting piece 18b connects the display plate 18a and the lid 14. The connecting piece 18b is connected to an adhesive piece 18c via a folding line 66. The adhesive piece 18c is adhered to the inner surface of the lid 14.

[0028] (Method for assembling the packaging container 10 from the unfolded body 100) From the unfolded body 100, the side plates 22, 26, 28 are rotated upward with respect to the bottom plate 20. Each of the adhesive pieces 36, 38 of the side plate 28 is rotated with respect to the side plate 28 and arranged along the inner surface of each of the side plates 22, 26. Each of the adhesive pieces 36, 38 is adhered to the inner surface of each of the side plates 22, 26.

[0029] As shown in FIG. 3, the overlapping plate 16 is rotated about the folding line 62 and overlapped with the lid 14. Note that the overlapping plate 16 and the lid 14 do not necessarily need to be overlapped so as to contact each other. The overlapping plate 16 is connected to each of the display portion 18 and the engaging piece 70 via perforations. The display portion 18 and the engaging piece 70 are rotated about the folding line 62 together with the overlapping plate 16. When the lid 14 and the overlapping plate 16 overlap, the connecting piece 18b and the adhesive piece 18c are rotated with respect to the display plate 18a about the folding line 64 and disposed between the lid 14 and the overlapping plate 16. The adhesive piece 18c is adhered to the inner surface of the lid 14. Thereby, the lid 14 and the display plate 18a are connected via the connecting piece 18b.

[0030] The state represented in FIG. 3 is the second open state in which the lid 14 is open with respect to the main body 12. In this state, the user can place an object inside the packaging container 10. From the state represented in FIG. 3, the side plate 24 is rotated and raised with respect to the bottom plate 20, and the lid 14 is rotated with respect to the side plate 24 about the folding line 60. Also, the engaging piece 70 is separated from the overlapping plate 16. As shown in FIG. 4, each of the engaging pieces 70, 72, 74 is bent downward and inserted into each of the engaging holes 80, 82, 86. When each of the engaging pieces 72, 74 is inserted into each of the engaging holes 82, 86, it engages with each of the upper end pieces 92, 96. Thereby, the movement of the overlapping plate 16 with respect to the main body 12 side is restricted. The lid 14 is restricted from moving with respect to the side plates 22, 24, 26, 28 when the engaging piece 70 is inserted into the engaging hole 80 and engages with the upper end piece 98. Thereby, as shown in FIG. 1, the packaging container 10 is formed in a closed state in which the main body 12 is closed with respect to the lid 14. The packaging container 10 is conveyed in the closed state.

[0031] (Method of opening the packaging container 10) The user can insert a finger into the insertion part 56 arranged on the side plate 24 and hook the finger on the lid 14 between the breaking parts 52 and 54. The user breaks the breaking parts 52 and 54 by pulling up the lid 14 with a finger. The overlapping plate 16 is restricted from moving relative to the side plates 22, 24, 26, and 28 because the engaging pieces 72 and 74 engage with the upper end pieces 92 and 96. Therefore, even when the lid 14 is pulled up, the overlapping plate 16 does not move relative to the side plates 22, 24, 26, and 28. As shown in FIG. 5, after breaking the breaking parts 52 and 54, further, by rotating the lid 14 about the bending line 62, the lid 14 is deformed into a state of being opened with respect to the main body 12.

[0032] When the lid 14 is rotated about the bending line 62, the display part 18 is pulled upward together with the lid 14. The display plate 18a rotates with respect to the overlapping plate 16 about the bending line 68. In conjunction with the rotation of the display plate 18a, the connecting piece 18b rotates with respect to the display plate 18a about the bending line 64 and rotates with respect to the adhesive piece 18c about the bending line 66, and is bent at the bending lines 64 and 66. As a result, as shown in FIG. 6, the display plate 18a is raised with respect to the side plates 22, 24, 26, and 28 together with the lid 14. Thereby, the packaging container 10 is opened and becomes the first open state. The display plate 18a stands up in front of the lid 14 by the connecting piece 18b and the overlapping plate 16.

[0033] In the packaging container 10, in the closed state shown in FIG. 1, the display plate 18a is arranged on the same flat plate as the overlapping plate 16. Between the lid 14 and the flat plate composed of the overlapping plate 16 and the display plate 18a, the connecting piece 18b and the adhesive piece 18c arranged on the same flat plate are arranged. That is, there is only one flat plate sandwiched between the lid 14 and the flat plate composed of the overlapping plate 16 and the display plate 18a. According to this configuration, it is possible to suppress the thickening of the portion overlapping the lid 14. As a result, in the closed state, the lid 14 does not bulge due to the portion overlapping the lid 14, and it is not necessary to thickly form the periphery of the lid 14 to accommodate the portion overlapping the lid 14.

[0034] When assembling the packaging container 10 from the developed body 100, the packaging container 10 can be closed by rotating the lid 14 and the overlapping plate 16 about the folding line 60 from the second open state. As a result, the user can accommodate the object in the packaging container 10 with the opening surrounded by the side plates 22, 24, 26, 28 wide open. When opening the packaging container 10, the lid 14 can be rotated about the folding line 62 by breaking the breaking portions 52, 54. Thereby, the packaging container 10 can be easily opened.

[0035] By rotating the lid 14 about the folding line 62, the overlapping plate 16 can be rotated with the lid 14 engaged with the side plates 22, 26 by the engaging pieces 72, 74. Thereby, it is possible to suppress the overlapping plate 16 from moving relative to the side plates 22, 26 without using an adhesive member or the like.

[0036] When rotating the lid 14 about the folding line 62, by maintaining the overlapping plate 16 on the side plate 22, 26 side, the lid 14 can be rotated relative to the overlapping plate 16 to raise the display plate 18a.

[0037] When assembling the packaging container 10 from the developed body 100, the folding pieces 32, 34 are not adhered to the side plate 24. Therefore, in the first open state where the packaging container 10 is opened, by tilting the side plate 24, it is possible to facilitate taking out the object in the packaging container 10.

[0038] When the lid 14 is opened, since the display plate 18a rises, the user can check the contents of the packaging container 10. Thereby, it is possible to simultaneously check the pattern or the like drawn on the display plate 18a and the contents of the packaging container 10.

[0039] The surface of the display plate 18a facing forward in the state where the lid 14 is opened is arranged flush with the outer surface of the packaging container 10 in the developed body 100. According to this configuration, when printing a pattern or characters on the outer surface of the packaging container 10, the pattern or characters can be printed in alignment with the display plate 18a.

[0040] The above has described in detail the embodiments of the technology disclosed in this specification. However, the above embodiments are merely examples and do not limit the scope of the claims. The technology described in the claims includes various modifications and changes of the specific examples illustrated above. For example, the following modification examples may be adopted.

[0041] (Modification Example 1) The bottom plate 20 and the side plates 22, 24, 26, 28 do not have to be in a flat plate shape. At least one of the bottom plate 20 and the side plates 22, 24, 26, 28 may be curved or may not have a uniform thickness.

[0042] (Modification Example 2) The shape of the display plate 18a is not particularly limited. Also, the display plate 18a does not have to be pre-printed with patterns or the like. It may be possible for the user to draw patterns or the like on the display plate 18a. A shape such as a slit for inserting a message card or the like may be provided on the display plate 18a.

[0043] (Modification Example 3) The lid 14 does not have to be provided with the breaking parts 52, 54.

[0044] (Modification Example 4) The overlapping plate 16 does not have to be provided with the engaging pieces 72, 74 that engage with the side plates 22, 26. The overlapping plate 16 may be adhered so that it cannot move relative to the side plates 22, 24, 26, 28.

[0045] Also, the technical elements described in this specification or the drawings exhibit technical usefulness alone or in various combinations, and are not limited to the combinations described in the claims at the time of filing. Also, the technology illustrated in this specification or the drawings achieves a plurality of purposes simultaneously, and achieving one of those purposes itself has technical usefulness.

Explanation of Reference Numerals

[0046] 10: Packaging container, 12: Body, 14: Lid, 16: Duplicate plate, 18: Display part, 18a: Display plate, 18b: Linking piece, 18c: Adhesive piece, 20: Bottom plate, 22, 24, 26, 28: Side plates, 52, 54: Breaking parts, 60, 62, 64, 66, 68: Folding lines, 70, 72, 74: Engaging pieces, 80, 82, 86: Engaging holes, 100: Developed body

Claims

1. A main body having a bottom plate and side plates, and a lid rotatably connected to the main body, wherein the main body has a duplicate plate arranged to overlap the lid in a closed state where the lid is closed with respect to the main body, a display plate connected to the duplicate plate via a first bending curve and arranged on the same flat plate as the duplicate plate in the closed state, and a connecting piece connected to the display plate via a second bending curve, extending to the lid and rotatably joined to the lid, wherein the lid is connected to the duplicate plate via a third bending curve and is movable from the closed state to a first open state where it stands up with respect to the main body by rotating with respect to the duplicate plate about the third bending curve, and the display plate rotates and stands up with respect to the duplicate plate about the first bending curve by moving together with the lid when the lid moves from the closed state to the first open state, the packaging container.

2. The lid is connected to one of the side plates via a fourth bending curve, the fourth bending curve is arranged on the opposite side of the third bending curve with the lid in between, and the lid is movable from a second open state where it is open with respect to the main body to the closed state by rotating with respect to the one side plate among the side plates about the fourth bending curve together with the duplicate plate connected via the third bending curve, the packaging container according to Claim 1.

3. The lid has a breaking portion extending from one end to the other end of the lid between the third bending curve and the fourth bending curve, the connecting piece is joined to the lid between the breaking portion and the third bending curve, and the lid is movable from the closed state to the first open state by breaking the breaking portion and rotating with respect to the duplicate plate about the third bending curve, the packaging container according to Claim 2.

4. The duplicate plate engages with two of the side plates in the closed state, thereby restricting movement with respect to the two side plates among the side plates, the packaging container according to any one of Claims 1 to 3.

Images