Packaging container and developed body
The packaging container's foldable leg portions stabilize it during display, preventing tipping and facilitating easy transformation for transport and display, while maintaining structural integrity and visibility.
Patent Information
- Application Number
- JP2024103048
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2026-01-15
AI Technical Summary
Packaging containers with contents that are long in the vertical direction or heavy at the top can become unstable and tip over during display.
A packaging container design featuring side portions with foldable leg portions that extend outward from the side surfaces, allowing the container to be transformed from a closed state to an open state with legs positioned outside the side surfaces, preventing tipping and maintaining structural integrity.
The design effectively prevents tipping, allows easy transformation between closed and open states for transport and display, and enhances visibility of contents while maintaining strength and ease of use.
Smart Images

Figure 2026004941000001_ABST
Abstract
Description
[Technical Field]
[0001] The present specification discloses a packaging container and a deployment body. [Background technology]
[0002] Patent Document 1 discloses a packaging box for displaying contents stored in a main body. The packaging box is displayed on a display shelf in a store or the like with the contents stored in the main body, which serves as a sales display case. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2013-224171 Summary of the Invention [Problem to be solved by the invention]
[0004] For example, if the contents are long in the vertical direction or the contents are heavy at the top, the packaging container may become unstable when displayed and may tip over.
[0005] This specification provides a technique that can prevent a packaging container from tipping over. [Means for solving the problem]
[0006] A first aspect disclosed in this specification is a packaging container comprising a side portion extending in the vertical direction and a leg portion connected to the side portion via a fold line, wherein the lower end of the leg portion is positioned away from the lower end of the side portion and outside the packaging container, and the leg portion may be folded downward from the side portion at the fold line.
[0007] According to this configuration, by disposing the legs arranged on the outer sides of the side surfaces below the side surfaces, it is possible to prevent the packaging container from tipping over.
[0008] A second aspect disclosed in the present specification is the first aspect described above, wherein the packaging container is capable of transforming from a closed state to an open state, and in the closed state, the leg portion forms a side wall above the side portion and in line with the side portion surrounding the side portion, and in the open state, the leg portion may be positioned outside the side portion by being bent downward from the side portion.
[0009] According to this configuration, by arranging the leg portions and the side portions side by side to form the side walls in the closed state, the leg portions do not protrude outward from the side portions in the closed state. This prevents the leg portions from getting in the way when transporting and storing contents using the closed packaging container. Furthermore, the leg portions can be created by bending the side portions downward from above. This eliminates the need to cut out a portion of the side wall that forms the lower end of the side portions to create the leg portions, thereby preventing a decrease in the strength of the side portions.
[0010] A third aspect disclosed in this specification is the second aspect, wherein the leg portion comprises a first leg plate that is bent downward from the side portion and away from the side portion in the opened state, and a second leg plate that extends from the first leg plate toward the side portion, and the side portion may comprise a holding portion that holds the second leg plate.
[0011] According to this configuration, the second leg plate is held by the holding portion of the side surface portion, so that the leg portion can be positioned relative to the side surface portion.
[0012] A fourth aspect disclosed in the present specification is the second or third aspect, wherein in the closed state, the leg portion may be connected to the side portion at least in part via a perforation.
[0013] With this configuration, when the container is transformed from the closed state to the open state, the legs can be easily separated from the side portions.
[0014] A fifth aspect disclosed in the present specification is any one of the second to fourth aspects, wherein in the closed state, the boundary line between the leg portion and the side portion extends along the circumferential direction of the side portion, and a specific boundary portion included in the boundary line may be located lower than other portions of the boundary line.
[0015] According to this configuration, the side surface located at the specific boundary portion can be made lower than the other portions of the side surface, which makes it easier for users to see the contents from the side surface located at the specific boundary portion when displaying the opened packaging container.
[0016] A sixth aspect disclosed in the present specification is the fifth aspect, wherein the specific boundary portion has the fold line, and another portion of the boundary line has a perforation.
[0017] With this configuration, the legs can be connected to the side portions located at the specific boundary portion. This makes it easier for the user to see the legs when viewing the contents from the specific boundary portion. For example, by applying a design to the legs that introduces the contents, it is possible to promote the user's understanding of the contents.
[0018] A seventh aspect disclosed in the present specification is a deployment body. The deployment body may be composed of a single flat plate, and may be capable of assembling the packaging container according to any one of the first to sixth aspects. [Brief explanation of the drawings]
[0019] [Figure 1] FIG. 2 shows a front perspective view of the packaging container in a closed state. [Figure 2] FIG. 2 shows a rear perspective view of the packaging container in a closed state. [Figure 3] FIG. 2 shows a plan view of the unfolded packaging container. [Figure 4] FIG. 2 is a front perspective view of a packaging container in the process of being transformed from a closed state to an open state. [Figure 5] FIG. 2 is a front perspective view of the packaging container in an opened state. [Figure 6]FIG. 2 is a side perspective view of the packaging container in an opened state. DETAILED DESCRIPTION OF THE INVENTION
[0020] (Example) The packaging container 10 shown in Fig. 1 stores contents in a closed state. The packaging container 10 is used to display the contents in the open state by transforming from the closed state shown in Fig. 1 to the open state shown in Fig. 5. As shown in Fig. 1, the packaging container 10 includes a side wall 20, a lid portion 40, and a bottom portion 60 (see Fig. 4).
[0021] In this embodiment, the up-down direction, the front-rear direction, and the left-right direction are defined as shown in Fig. 1. The up-down direction, the front-rear direction, and the left-right direction are used to facilitate the explanation of this embodiment, and do not define the direction in which the packaging container 10 is used.
[0022] The packaging container 10 has a rectangular parallelepiped shape. The packaging container 10 is longer in the up-down direction than in the front-to-back and left-to-right directions. The shape of the packaging container 10 is not particularly limited. The packaging container 10 may be a cube, a polygonal shape other than a rectangle, or a shape with a curved side wall 20 such as a cylinder. As shown in FIGS. 1 and 2 , the side wall 20 includes four side plates 22, 24, 26, and 28.
[0023] The side plates 22, 24, 26, and 28 each have a rectangular flat plate shape and have approximately the same length in the vertical direction.
[0024] As shown in FIG. 3, the packaging container 10 is assembled by folding the unfoldable body BL, which is made of a single flat plate, along folding lines. In FIG. 3, the adhesive areas where adhesive is applied are represented by parallel oblique lines. The folding lines are drawn with thin dashed lines. At least one of grooves, perforations, and slits is formed on the folding lines to facilitate folding. The unfoldable body BL is made of thin corrugated cardboard. The material of the unfoldable body BL, i.e., the packaging container 10, is not limited to corrugated cardboard, and may be, for example, cardboard, resin, etc.
[0025] Side plate 22 is connected to each of side plates 24, 26 via fold lines. Side plate 28 is connected to side plate 24 via a fold line at the edge opposite side plate 22. An adhesive strip 70 is connected to side plate 28 via a fold line at the edge opposite side plate 24. Side walls 20 of packaging container 10 are produced by folding side plates 22, 24, 26, 28 at the fold lines located between side plates 22, 24, 26, 28 and adhering adhesive strip 70 to the inner surface of side plate 26.
[0026] A bottom portion 60 is disposed at the lower end of the side wall 20. The bottom portion 60 closes the opening at the lower end of the side wall 20. The bottom portion 60 includes bottom plates 62, 64, 66, and 68 that are connected to the four side plates 22, 24, 26, and 28, respectively, via folding lines. The bottom plate 62 is bonded to the bottom plate 66. The bottom plate 68 is bonded to the bottom plate 64. Each of the bottom plates 62 and 68 has a folding line. The packaging container 10 can be folded by opening the lid portion 40 from the closed state of the packaging container 10 and bending the folding lines of the bottom plates 62 and 68.
[0027] A lid portion 40 is disposed at the upper end of the side wall 20. The lid portion 40 includes lid plates 42, 44 and an insert piece 46. The lid plate 44 is connected to the side plate 28 via a fold line. The lid plate 42 is connected to the edge of the lid plate 44 opposite the side plate 28 via a fold line 40a. The lid plates 42, 44 close the opening at the upper end of the side wall 20 when they are arranged on the same flat plate without being folded along the fold line 40a.
[0028] An insert piece 46 is connected via a bending line to the edge of the cover plate 42 opposite to the cover plate 44. When the cover plates 42, 44 close the opening at the upper end of the side wall 20, by inserting the insert piece 46 into the inside of the side wall 20, it is possible to prevent the cover plates 42, 44 from rotating relative to the side wall 20.
[0029] (Configuration of legs and side parts) The side wall 20 includes a leg portion 30 and a side portion 80. The side portion 80 includes side plates 82, 84, 86 and a side plate 28. The leg portion 30 includes leg plates 32, 33, 34, 36 and a pair of bent pieces 38, 38.
[0030] The side plate 22 is composed of a side plate 82 and leg plates 32, 33. The side plate 82 and the leg plates 32, 33 are arranged on the same flat plate when the packaging container 10 is in the closed state. The side plate 24 is composed of a side plate 84 and a leg plate 34. The side plate 84 and the leg plate 34 are arranged on the same flat plate when the packaging container 10 is in the closed state. The side plate 26 is composed of a side plate 86 and a leg plate 36. The side plate 86 and the leg plate 36 are arranged on the same flat plate when the packaging container 10 is in the closed state. The leg plate included in the leg portion 30 is not arranged on the side plate 28.
[0031] A boundary line 50 between the leg portion 30 and the side surface portion 80 extends along the circumferential direction of the side wall 20, from the side panel 24 through the side panel 22 to the side panel 26. The boundary line 50 includes a fold line 52 and perforations 54, 54, 58, and 58. The fold line 52 is located in the center of the side panel 22 in the left-right direction.
[0032] The fold line 52 is located at the boundary between the side panel 82 and the leg panel 32. The fold line 52 extends parallel to the left-right direction. The left and right ends of the fold line 52 are spaced apart from the left and right edges of the side panel 22, respectively. Perforations 58, 58 are connected to the left and right ends of the fold line 52. The left perforation 58 curves upward from the left end of the fold line 52 and extends upward parallel to the up-down direction. The left perforation 58 extends at an angle to the left in the up-down direction toward the left edge of the side panel 22 at the vertical midpoint of the leg panel 32. The left perforation 58 reaches the left edge of the side panel 22 at the vertical midpoint of the side panel 22. The right perforation 58 is located symmetrically to the left perforation 58. The perforations 54, 58 are formed by slits that penetrate the side plates 22, 24, 26 at intervals, and adjacent slits are connected by the side plates 22, 24, 26.
[0033] At the positions where the pair of perforations 58, 58 reach the left and right edges of the side panel 22, fold lines 32a extending parallel to the left and right directions are arranged in the side panel 22. The fold lines 32a are located at the boundaries between the leg plates 32 and 33.
[0034] A pair of perforations 54, 54 is connected to each of the upper ends of the pair of perforations 58, 58. The left-side perforation 54 is arranged on the side plate 24. The left-side perforation 54 is arranged on the side plate 24, and extends from the upper end of the perforation 58 to the corner of the upper rear end of the side plate 24. The left-side perforation 54 is located at the boundary between the side plate 84 and the leg plate 34. A pressing piece 56 is arranged on the leg plate 34 at an intermediate position in the extension direction of the perforation 54, and the pressing piece 56 can be inserted into the inside of the packaging container 10 by pressing it against the inside of the packaging container 10 with the user's finger. The right-side perforation 54 and pressing piece 56 are arranged on the side plate 26, and are arranged symmetrically with respect to the left-side perforation 54 and pressing piece 56. The right-side perforation 54 is located at the boundary between the side plate 86 and the leg plate 36.
[0035] The boundary between the front side panel 82 and the leg panel 32 is defined by the fold line 52 and a pair of perforations 58, 58. The boundary between the side panel 84 and the leg panel 34 is defined by the perforation 54. The boundary between the side panel 86 and the leg panel 36 is defined by the perforation 54.
[0036] The leg plate 32 is located in the center of the side plate 22 in the left-right direction and is sandwiched between the side plate 82 in the left-right direction. The leg plate 32 is connected to the leg plate 33 via a fold line 32a at its upper edge. The leg plate 33 is arranged over the entire length of the side plate 22 in the left-right direction and has a rectangular flat plate shape extending from the upper end of the leg plate 32 to the upper end of the side plate 22. The leg plate 34 is connected to the left edge of the leg plate 33 via a fold line. The leg plate 34 has a triangular flat plate shape. A folding piece 38 is connected to the upper end of the leg plate 34 via a fold line. The folding piece 38 is folded and positioned below the lid plates 42, 44 when the packaging container 10 is in the closed state.
[0037] A leg plate 36 is connected to the right edge of leg plate 33 via a bending line. Leg plate 36 is disposed symmetrically with respect to leg plate 34. Similar to leg plate 34, a bending piece 38 is connected to the upper end of leg plate 36 via a bending line.
[0038] (Procedure for transforming from closed to open state) The procedure for transforming the packaging container 10 in the closed state shown in Fig. 1 into the packaging container 10 in the open state shown in Fig. 5 and Fig. 6 will be described. The user inserts his / her fingers into the inside of the packaging container 10 by pressing the pressing pieces 56, 56 arranged on the side plates 24, 26 against the inside of the packaging container 10.
[0039] Next, the side panels 84, 86 are pulled from the inside of the packaging container 10 toward the outside of the packaging container 10, thereby breaking the perforations 54, 54, and then breaking the perforations 58, 58. This separates the side portion 80 and the leg portion 30 at the portion of the boundary line 50 other than the fold line 52. As shown in FIG. 4 , the leg portion 30 is folded forward of the side portion 80 at the fold line 52.
[0040] 5 and 6, the leg plate 32 is tilted downward and forward from the bending line 52, and the leg plate 33 is tilted upward and backward at the bending line 32a. The leg plates 34 and 36 are arranged along the side plates 84 and 86, respectively, in a state where they are bent backward from the leg plate 33.
[0041] The side panel 84 has a notch 94 for inserting the leg panel 34 and the folding piece 38. When the packaging container 10 is in a closed state, the notch 94 is held in place by a perforation so as not to open. The notch 94 penetrates the side panel 84 like a slit and is arranged without any gaps. The lower end of the notch 94 is curved forward so that the side panel 84 can easily deform inward when the leg panel 34 and the folding piece 38 are inserted. The side panel 86 has a notch 96 for inserting the leg panel 36 and the folding piece 38. The notch 96 has the same configuration as the notch 94.
[0042] The leg portion 30 is positioned relative to the side portion 80 by inserting the leg plate 34 and the bent piece 38 into the notch 94 and the leg plate 36 and the bent piece 38 into the notch 96 .
[0043] (effect) According to the packaging container 10, in the opened state, the legs 30 are arranged on the outside of the side surface portion 80. This makes it possible to prevent the packaging container 10 from tipping over when the packaging container 10 is used for display in the opened state, for example. Even when displaying contents that are long in the vertical direction or contents whose center of gravity is located at the top, the packaging container 10 can be prevented from tipping over.
[0044] By arranging the legs 30 at the lower end of the packaging container 10 in the opened state, it is possible to prevent the packaging container 10 from tipping over. When the packaging container 10 is placed on a horizontal surface, the legs 30 do not touch the horizontal surface. The legs 30 are positioned slightly above the horizontal surface. In a modified example, when the packaging container 10 is placed on a horizontal surface, the legs 30 may touch the horizontal surface.
[0045] The packaging container 10 is transformable from a closed state to an open state. With this configuration, the contents can be transported and stored using the packaging container 10 in the closed state, and by transforming the packaging container 10 from the closed state to the open state, the packaging container 10 can be used to display the packaging container 10 in a store or the like without transferring the contents. Furthermore, in the closed state, the leg portions 30 and the side surface portions 80 form the side walls 20, so that the leg portions 30 do not protrude outward from the side surface portions 80. This prevents the leg portions 30 from getting in the way when transporting and storing the contents using the packaging container 10 in the closed state.
[0046] In the packaging container 10, the leg portions 30 can be created by bending the side surface portion 80 from above to below at the fold line 52. This eliminates the need to cut out the lower end portions of the side panels 82, 84, and 86 that form the side surface portion 80 to create the leg portions 30. This prevents the strength of the side surface portion 80 from decreasing.
[0047] In the opened state, the leg plate 34 and the folding piece 38 are held by being inserted into the notch 94. Similarly, the leg plate 36 and the folding piece 38 are held by being inserted into the notch 96. This configuration allows the leg portion 30 to be properly positioned relative to the side portion 80.
[0048] A boundary line 50 is arranged between the leg portion 30 and the side portion 80. By arranging perforations 54, 54, 58, 58 on the boundary line 50, the leg portion 30 can be easily separated from the side portion 80 when the packaging container 10 is transformed from a closed state to an open state.
[0049] The fold line 52, which is the boundary between the side panel 82 and the leg panel 32, is positioned at the lowest position among the boundary lines 50. This allows the side panel 82 to be set low in the packaging container 10 in an opened state, making it easier to see the contents.
[0050] The leg plate 33 of the leg section 30 is disposed in front of the side plate 82. The surface of the leg plate 33 that is disposed at the front in the closed state faces forward in the open state. With this configuration, the name, characteristics, or advertising design of the contents can be applied to the front of the leg plate 33, making it easy for the user to see whether the container is closed or opened. This also promotes the user's understanding of the contents.
[0051] (Lid configuration) The lid portion 40 is deformed when it is transformed from the closed state to the open state. Specifically, when the lid portion 40 is rotated upward relative to the side plate 28, the lid plate 42 is bent relative to the lid plate 44 at the bending line 40a, thereby arranging the lid plates 42 and 44 so that they overlap. A notch 28a is provided at the upper end of the side plate 28, into which an insertion piece 46 is inserted. By inserting the insertion piece 46 into the notch 28a, the lid plates 42, 44 are held in an upright position above the side plate 28. In the open state, the lid plate 42 can be positioned facing forward. This allows the design on the lid plate 42 to be easily visible to the user. Furthermore, for example, as shown in FIG. 5, the design of the lid plate 42 can be improved by providing a semicircular notch at the boundary between the lid plates 42, 44.
[0052] (Correspondence) The leg plate 32 is an example of a "first leg plate," and the leg plates 34, 36 and the bent pieces 38, 38 are an example of a "second leg plate." The notches 94, 96 are an example of a "retaining portion." The bend line 52 is an example of a "specific boundary portion."
[0053] Although the embodiments of the present invention have been described in detail above, these are merely examples and do not limit the scope of the claims. The technology described in the claims includes various modifications and alterations of the specific examples exemplified above.
[0054] (1) The packaging container 10 does not have to have at least one of the lid portion 40 and the bottom portion 60. The packaging container 10 may have only the legs 30 and the side portions 80.
[0055] (2) The packaging container 10 does not need to be transformed from the closed state to the open state. In this case, the packaging container 10 may be maintained in the open state.
[0056] (3) The configuration for positioning the leg portion 30 relative to the side surface portion 80 may be configured other than the configuration in which the leg plates 34, 36 and the bent pieces 38, 38 are inserted into the notches 94, 96. For example, the side surface portion 80 may be provided with an engaging portion with which the leg portion 30 engages.
[0057] Furthermore, the technical elements described in this specification or drawings may exhibit technical utility either alone or in various combinations, and are not limited to the combinations described in the claims at the time of filing. Furthermore, the technologies illustrated in this specification or drawings simultaneously achieve multiple objectives, and achieving one of those objectives is itself technically useful. [Explanation of symbols]
[0058] 10: packaging container, 20: side wall, 22, 24, 26, 28: side plate, 30: leg portion, 32, 33, 34, 36: leg plate, 40: lid portion, 42, 44: lid plate, 46: insert piece, 50: boundary line, 52: fold line, 54, 58: perforation, 60: bottom, 80: side portion, 82, 84, 86: side plate, 94, 96: notch, BL: unfolded body
Claims
1. A packaging container, a side surface portion extending in the vertical direction; a leg portion connected to the side surface portion via a bending line, A packaging container, wherein the lower ends of the legs are positioned away from the lower ends of the side surfaces of the packaging container and are bent downward from the side surfaces at the fold lines.
2. The packaging container is capable of transforming from a closed state to an open state, In the closed state, the leg portion is arranged alongside the side surface portion above the side surface portion to form a side wall surrounding the side surface portion, The packaging container according to claim 1 , wherein in the opened state, the leg portions are bent downward from the side portions and are disposed outside the side portions.
3. In the opened state, the leg portion a first leg plate bent downward from the side surface portion and in a direction away from the side surface portion; a second leg plate extending from the first leg plate toward the side surface portion, The packaging container according to claim 2 , wherein the side surface portion includes a holding portion that holds the second leg plate.
4. The packaging container according to claim 2 or 3, wherein in the closed state, the leg portions are at least partially connected to the side portions via perforations.
5. In the closed state, a boundary line between the leg portion and the side surface portion extends along a circumferential direction of the side surface portion, The packaging container according to claim 2 or 3, wherein the specific boundary portion included in the boundary line is positioned lower than other portions of the boundary line.
6. the specific boundary portion has the bending line, The packaging container according to claim 5 , wherein the other portion of the boundary line has a perforation.
7. A deployment body that is made up of a single flat plate and that can be assembled with the packaging container according to any one of claims 1 to 3.
Citation Information
Patent Citations
Packaging box and mischief detection method for packaging box
JP2013224171A