Lid of a packaging container
The lid for packaging containers allows for multiple display options by enabling attachment and detachment of mounting bodies, addressing the cost and complexity issues of conventional printing and inventory management.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Utility models
- Current Assignee / Owner
- Filing Date
- 2026-01-05
- Publication Date
- 2026-03-17
AI Technical Summary
Conventional packaging containers require design printing specific to each product, which is costly and complicates inventory management due to the inability to reuse containers for different products.
A lid for packaging containers that can be assembled from a sheet material, featuring a window and a mounting body that can be attached and detached, with various attachment and release mechanisms, allowing multiple display options.
Enables selection of multiple types of displays for a single packaging container, facilitating easy replacement and management of inventory without the need for repeated printing.
Smart Images

Figure 0003255135000001_ABST
Abstract
Description
Technical Field
[0007]
[0001] This invention relates to a lid for a packaging container.
Background Art
[0002] Conventionally, in packaging containers for gift items and the like, packaging containers that are used by folding and assembling a sheet material such as paper are widely known (see Patent Document 1). In such packaging containers, from the viewpoints of appeal effects and aesthetics, etc., design printing may be applied according to the contents product and used. In such cases, design printing has to be performed on the packaging container each time according to each product, which is costly and troublesome. Also, since the packaging container for one product cannot be used for the packaging container of another product, there is a problem that inventory management is difficult.
Prior Art Documents
[0003]
Patent Documents
Patent Documents
[0004]
Disclosure of the Invention
Problems to be Solved by the Invention
[0005] This invention has been made in view of the above problems, and an object thereof is to enable selection of a plurality of types of displays for the lid of one packaging container. <X000031>
[0006]
Means for Solving the Problems
[0007] The problems to be solved by this invention are as described above. Next, means for solving this problem will be described.
[0008] The first invention is a lid for a packaging container, which is assembled by folding a sheet material to close the opening of the main body of the packaging container, and the lid is characterized in that it comprises a window and a mounting body that can be seen through the window and can be attached to and detached from the lid.
[0009] The second invention is a lid for a packaging container, the first invention, characterized in that the mounting body is attached to or removed when the lid is assembled.
[0010] The third invention is a lid for a packaging container, which is the first or second invention and is characterized by comprising a release means for removing the mounting body from the lid.
[0011] The fourth and fifth inventions are lids for packaging containers that are any of the first to third inventions and are characterized by comprising a top plate, an outer plate around the top plate, an inner plate facing the outer plate, and a pressing plate connected to the inner plate, wherein the mounting body is sandwiched between the top plate and the pressing plate.
[0012] The sixth and seventh inventions are lids for packaging containers that are any of the first to third inventions, comprising a top plate, an outer plate around the top plate, and an inner plate facing the outer plate, with a locking fitting portion formed on the inner plate, a locking flap connected to the periphery of the mounting body, and the mounting body being attached to the lid by locking the locking flap to the locking fitting portion. [Effects of the Invention]
[0013] According to this invention, it is possible to select multiple types of displays for the lid of a single packaging container. [Brief explanation of the drawing]
[0014] [Figure 1] A plan view of the lid sheet material S1 of the first embodiment. [Figure 2] Plan view of the attached device 100. [Figure 3]Schematic perspective view of the lid body 10 (lid sheet material S1) during assembly. [Figure 4] Schematic perspective view of the lid body 10 provided with the mounting body 100 in the first embodiment. [Figure 5] Plan view of the opening side of the lid body 10 provided with the mounting body 100 in the first embodiment. [Figure 6] Enlarged end view taken along line A-A in FIG. 4. [Figure 7] Schematic perspective view of the lid body 10 provided with the mounting body 200 in the second embodiment. [Figure 8] Plan view of the mounting body 200. [Figure 9] Plan view of the opening side of the lid body 10 provided with the mounting body 200 in the second embodiment. [Figure 10] Plan view of the lid sheet material S2 in the third embodiment. [Figure 11] Schematic perspective view of the lid body 20 provided with the mounting body 100 in the third embodiment. [Figure 12] Plan view of the opening side of the lid body 20 provided with the mounting body 100 in the third embodiment. [Figure 13] Plan view of the lid sheet material S3 in the fourth embodiment. [Figure 14] Schematic perspective view of the lid body 30 provided with the mounting body 300 in the fourth embodiment. [Figure 15] Plan view of the mounting body 300. [Figure 16] Schematic perspective view of the lid body 30 provided with the mounting body 300 in the fourth embodiment. [Figure 17] Enlarged end view taken along line B-B in FIG. 14.
MODE FOR CARRYING OUT THE INVENTION
[0015] Embodiments of the present invention will be described as examples from the first embodiment to the fourth embodiment. In these embodiments, the structure of the packaging container body has side plates on four sides of a rectangular bottom plate and is open at the top (not shown), and the lid bodies (10, 20, 30) of the first embodiment to the fourth embodiment close this opening. Furthermore, although these lids (10, 20, 30) all have cutouts in the top plate 11 to allow for the openings (M1, M2), they may be covered with a transparent film or the like, as long as the mounting components (100, 200, 300) can be seen through the openings (M1, M2). Furthermore, these lids (10, 20, 30) can be formed from cardboard, corrugated cardboard, etc., but in all cases, cardboard with a thickness of approximately 0.5 mm is used. Furthermore, the bent portion in the first to fourth embodiments refers to a groove-like portion made to fold the sheet material. Examples of forming the bent portion include press lines, cut lines, perforation lines, etc., which are shown with dashed lines. First Embodiment
[0016] In the first embodiment of the present invention, as shown in Figure 4, the cover 10 is equipped with the mounting body 100 shown in Figure 2. The lid 10 is completed by folding the lid sheet material S1 shown in Figure 1 and assembling it as shown in Figure 4. A window portion M1 is formed on the top surface of the lid 10, and the mounting body 100 can be seen through this window portion M1.
[0017] First, let's explain the lid sheet material S1 shown in Figure 1. In Figure 1, the lid sheet material S1 is shown with the front side of the paper facing the inner surface of the lid. For the purposes of this explanation, the shorter side of the top plate 11 will be referred to as the front and back sides, and the longer side of the top plate 11 as the left and right sides. In the vertical direction, when the lid 10 is assembled and placed with the top plate 11 facing upwards, the top plate 11 side will be considered the upper side and the opening side the lower side.
[0018] The top plate 11 of the lid sheet material S1 constitutes the top part of the lid 10, and the outer plate 12 and inner plate 13 constitute the front and rear sides. In addition, the outer plate 15 and inner plate 16 constitute the left and right sides.
[0019] The lid sheet material S1 has outer plates 12 attached to the front and rear edges of a rectangular top plate 11 via bent sections. An inner plate 13 is attached to these outer plates 12 via bent sections. Furthermore, a retaining plate 14 is attached to the opposite side of the inner plate 13 from the side where the outer plate 12 is attached, via a bent portion. The left and right edges of the inner plate 13 and the retaining plate 14 are provided with roughly U-shaped engaging protrusions that protrude from the left and right edges. These engaging protrusions are the parts that engage with the engaging recesses during the assembly process.
[0020] Furthermore, outer plates 15 are attached to the left and right sides of the top plate 11 via bent sections. An inner plate 16 is attached to the opposite side of the outer plate 15 from the side attached to the top plate 11 via a bent section. A retaining plate 17 is attached to the opposite side of the inner plate 16 from the side attached to the outer plate 15 via a bent section. Insert plates 18 are attached to the front and rear sides of the inner plate 16 via bent sections. In addition, an engaging recess is provided by cutting into the bent section between the inner plate 16 and the insert plate 18. This engaging recess is the part where the aforementioned engaging protrusion is locked during the assembly process.
[0021] Furthermore, a connecting plate 19 is connected to the adjacent outer panel 12 and outer panel 15 via a bent portion. The connecting plate 19 has a bent portion formed diagonally from the corner of the top panel 11, and the connecting plate 19 is designed to fold inward from this bent portion when the outer panel 12 and outer panel 15 are raised relative to the top panel 11.
[0022] Furthermore, the top panel 11 has a rectangular window section M1 created by cutting out (cutting out) the top panel.
[0023] The attached device 100 will be explained using Figure 2. In this embodiment, the mounting body 100 is a rectangular sheet with the same shape as the top plate 11, but slightly smaller in dimensions than the top plate 11, and is set to fit inside the assembled lid 30. In this embodiment, cardboard with a thickness of approximately 0.5 mm is used. Design printing A is applied to the surface of this sheet. Since this mounting body 100 is rectangular, it can be formed by cutting rather than using a die, which reduces production effort and keeps costs down.
[0024] Next, the assembly process of the lid sheet material S1 and the mounting process of the mounting body 100 will be explained with reference to Figures 1 and 3. First, the mounting body 100 is placed on the inner surface of the top panel 11 so that the design print A can be seen through the window M1. Next, the bend between the top plate 11 and the outer plate 15 is bent to make the outer plate 15 stand upright relative to the top plate 11. Also, the bend between the outer plate 12 and the connecting plate 19 is bent to make the connecting plate 19 stand upright. Next, the bend between the outer plate 15 and the inner plate 16 is bent to make the inner plate 16 and the outer plate 15 face each other. Also, the bend between the inner plate 16 and the retaining plate 17 is bent to make the retaining plate 17 overlap the mounting body 100. At this point, the mounting body 100 is sandwiched between the top plate 11 and the retaining plate 17.
[0025] Next, the bend between the top plate 11 and the outer plate 12 is bent to make the outer plate 12 stand upright relative to the top plate 11. Also, the bend between the outer plate 15 and the connecting plate 19 is bent, and the bends in the diagonal direction are bent to fold the connecting plate 19 inward into the lid. In addition, the insert plate 18 is bent inward into the lid at an angle.
[0026] Furthermore, the bent portion between the outer plate 12 and the inner plate 13 is bent to bring the inner plate 13 and the outer plate 12 facing each other, and the connecting plate 19 and the insertion plate 18 are sandwiched between the inner plate 13 and the outer plate 12. Furthermore, the bent portion between the inner plate 13 and the retaining plate 14 is bent, and the retaining plate 14 is placed on top of the mounting body 100. At this time, the mounting body 100 is sandwiched between the top plate 11 and the retaining plywood 14. Then, by inserting the engaging projection into the engaging recess and securing it, the assembly of the lid 10 and the attachment of the mounting body 100 shown in Figure 4 are completed. Figure 5 shows a plan view of the opening side of the completed lid 10. Figure 6 shows an enlarged end view of the mounting body 100 attached to the lid 10.
[0027] Thus, the lid 10 is equipped with a window portion M1 and a mounting body 100 that can be viewed through this window portion M1. Furthermore, the lid 10 comprises a top plate 11, outer plates 12 and 15 around the top plate 11, inner plates 13 and 16 facing the outer plates 12 and 15, and retaining plates 14 and 17 connected to the inner plates 13 and 16, and the mounting body 100 is held between the top plate 11 and the retaining plates 14 and 17. Therefore, the mounting body 100 can be attached to the lid body 10 using an extremely simple method, and the design print A of the mounting body 100 can be seen through the window M1.
[0028] Furthermore, even after the mounting body 100 (design print A) has been attached to the lid 10, if it becomes necessary to replace it with another mounting body (print design X), the lid 10 can be disassembled and the mounting body 100 (design print A) removed by releasing the engagement recess and engagement protrusion of the lid 10. Then, the other mounting body (design print X) can be set and the lid 10 can be reassembled using the same procedure as described above. According to this embodiment, since the mounting body 100 can be attached to and removed from the lid 10, it is possible to select and attach not only the mounting body 100 (design print A) but also other mounting bodies (design print X) as needed, making it possible to select and attach multiple types of displays to a single lid. Second Embodiment
[0029] In this embodiment, the explanation will focus on the differences from the first embodiment, and the common parts will be omitted from the explanation. In the second embodiment of the present invention, as shown in Figure 7, the lid 10 is equipped with a mounting body 200 as shown in Figure 8. The lid 10 is the same as the lid 10 of the first embodiment, but in the assembly of the lid sheet material S1, instead of stacking the mounting body 200 on the inner surface of the top plate 11 and then folding the side plate as in the first embodiment, the mounting body 200 is attached after the lid 10 has been assembled using the same procedure as described above.
[0030] The attached device 200 will be explained using Figure 8. The mounting body 200 has a rectangular portion and is equipped with a flap 201 that protrudes from its periphery. The mounting body 200, like the mounting body 100, is made of cardboard with a thickness of approximately 0.5 mm, and the sheet surface is printed with design B. The rectangular portion is sized so as not to overlap with the retaining plates 14 and 17 of the assembled lid 10, and forms flaps 201 that protrude from its left and right edges. In addition, the front and rear edges of the rectangular portion are cut out in a semicircular shape to form release sections 202.
[0031] To attach the mounting body 200 to the lid 10, the flap 201 is inserted between the top plate 11 and the retaining plate 17 of the assembled lid 10, which clamps the mounting body 200 in place, allowing it to be easily secured. Figure 9 shows a plan view of the opening side of the lid 10 with the mounting body 200 attached.
[0032] Thus, the lid 10 is equipped with a window portion M1 and a mounting body 200 that can be viewed through this window portion M1. The lid 10 comprises a top plate 11, outer plates 12 and 15 around the top plate 11, inner plates 13 and 16 facing the outer plates 12 and 15, and retaining plates 14 and 17 connected to the inner plates 13 and 16, and the mounting body 200 is held between the top plate 11 and the retaining plates 17. Therefore, the mounting body 200 can be attached to the assembled lid 10 using an extremely simple method, and the design print B of the mounting body 200 can be seen through the window M1.
[0033] Furthermore, the mounting body 200 is equipped with a release means 202 for removing the mounting body 200 while the lid body 10 remains assembled. Therefore, even after attaching the mounting body 200 (design print B) to the lid 10, if it becomes necessary to replace it with another mounting body (print design X), the lid 10 can remain assembled, and the release part 202 of the mounting body 200 (design print B) can be hooked onto it and pulled in the opposite direction from the top plate 11, allowing the flap 201 to be pulled out from between the top plate 11 and the retaining plate 17, making it easy to remove. Furthermore, without disassembling the lid 10, another mounting body (print design X) can be easily attached using the same procedure as described above, while the lid 10 remains assembled. According to this embodiment, since the mounting element 200 can be attached to and removed from the lid 10, the lid 10 can be fitted with not only the mounting element 200 (design print B) but also other mounting elements (design print X). In other words, it is possible to select and attach multiple types of displays to a single lid. Furthermore, since the mounting body 200 can be attached to the lid 10 after it has been assembled, it is possible to store the lid 10 in a pre-assembled and completed state, and then later select and attach the mounting body 200 (design print B) or another mounting body (design print X). Third Embodiment
[0034] In this embodiment, we will focus on explaining the differences from the first and second embodiments, and omit the explanation of the common parts. In the third embodiment of the present invention, as shown in Figure 11, the lid 20 is equipped with a mounting body 100. The mounting body 100 is the same as the mounting body used in the first embodiment. The lid 20 is assembled by folding the lid sheet material S2. Figure 10 shows the lid sheet material S2. The lid 20 has the same basic structure as the first embodiment, but differs from the lid 10 in that it is provided with a locking means on the edge of the retaining plate 14 for locking and fixing the mounting body 100. Specifically, a portion of the free edge of the retaining plate 14 is cut out to form a roughly trapezoidal locking portion 21. This portion is used to lock the mounting body 100.
[0035] The mounting body 100 is attached to the lid 20 after its assembly is complete, similar to the second embodiment. Specifically, the lid 20 is assembled and completed using the same procedure as in the second embodiment. The mounting body 100 is then placed on the inner surface of the top plate 11 so that the design print A of the mounting body 100 is visible from the window M1. The upper and lower ends are then inserted into the locking parts 21, allowing the mounting body 100 to be easily attached to the lid 20. As shown in Figure 11, the mounting body 100 is visible from the window M1. Figure 12 shows a plan view of the opening side of the lid 20 with the mounting body 100 attached.
[0036] Thus, the lid 20 is equipped with a window portion M1 and a mounting body 100 that can be viewed through this window portion M1. The mounting body 100 can be attached to the lid 20 by locking the lid 20 and the mounting body 100 together using an extremely simple method, and the design print A of the mounting body 100 can be viewed through the window portion M1. Furthermore, even after attaching the mounting element 100 (design print A) to the lid 20, the mounting element 100 can be easily removed by placing your fingers on its edge and pulling it in the opposite direction from the top plate 11, while the lid 20 remains assembled. Additionally, other mounting elements (print design X) can be easily attached to the lid 10 using the same procedure as described above, without having to disassemble the lid 20, while the lid 10 remains assembled.
[0037] In this way, since the mounting element can be attached and detached while the lid 20 is assembled, it is possible to select multiple types of displays for a single lid as needed. Furthermore, since the mounting parts can be attached to the lid 20 after it has been assembled, it is possible to assemble the lid 20 in advance, store it in a completed state, and then attach the necessary mounting parts later. Fourth Embodiment
[0038] In this embodiment, the explanation will focus on the differences from the first to third embodiments, and the common parts will be omitted from the explanation. In the fourth embodiment of the present invention, as shown in Figure 14, the lid 30 is equipped with a mounting body 300. The lid 30 is assembled by folding the lid sheet material 3. Figure 13 shows the lid sheet material S3. The lid 30 has the same basic structure as the lid sheet S1 of the first embodiment, but the inner plate 13 and inner plate 16 are equipped with locking fitting parts 31 for locking and attaching the mounting body 300, and release parts 32 for removing the mounting body 300. Specifically, a hole is drilled near the left-right center of the inner plate 13, shaped to bulge outwards from the side where the retaining plate 14 is attached towards the inner plate 13, thereby forming a locking fitting portion 31. Furthermore, a semicircular hole is drilled near the apex of this bulging shape, forming a release portion 32 that connects to the locking fitting portion 31. Furthermore, two holes are drilled in the front-to-back direction of the inner plate 16, shaped to bulge outwards from the side where the retaining plate 17 is attached towards the inner plate 16, thereby forming a locking fitting portion 31. Near the apex of this bulging shape, a semicircular hole is drilled to form a release portion 32 that connects to the locking fitting portion 31. Furthermore, the top panel 11 has a rectangular window section M2, which is slightly smaller than the lid 10, created by cutting out (cutting out) the top panel.
[0039] As shown in Figure 15(c), the mounting body 300 is a mounting body having a sheet 303 on which the design print C is applied. Like mounting bodies 100 and 200, mounting body 300 is made of cardboard with a thickness of approximately 0.5 mm. Furthermore, as shown in Figure 15(a), it comprises a rectangular portion and a locking flap 301 that protrudes from its periphery via a bent portion. Specifically, the dimensions of the rectangular portion are slightly smaller than those of the top plate 11, and are set to fit within the inner surface of the assembled lid 30. A locking flap 301 of approximately the same shape as the locking fitting portion 31 of the assembled lid 30 is provided at a position that overlaps with the locking fitting portion 31. Specifically, flaps 301 are formed on the upper and lower edges of the rectangular portion, around the center in the left-right direction, via a bent portion, with a shape that bulges outward (approximately the same shape as the front and rear locking fitting portions 31, but slightly smaller in dimensions). Additionally, flaps 301 are formed on the left and right edges of the rectangular portion, at two locations in the front-rear direction, via bent portions, with a shape that bulges outward (approximately the same shape as the left and right locking fitting portions 31, but slightly smaller in dimensions). Furthermore, the mounting body 300 has a retaining portion 302 formed by two roughly trapezoidal cutouts arranged vertically in the rectangular section. The sheet 303 shown in Figure 15(b) is inserted into and fixed in this holding part 302, resulting in the state shown in Figure 15(c). Sheet 303 is printed with a design C. In this embodiment, sheet 303 is made of 0.09 mm thick printing paper.
[0040] The mounting body 300 is attached to the lid 30 after its assembly is complete, as in the second and third embodiments. Specifically, the lid 30 is assembled and completed using the same procedure as described above, and then placed on the inner surface of the top plate 11 so that the design print C of the mounting body 300 (sheet 303) is visible from the window M2. The locking flap 301 then contacts the inner plates 13 and 16 of the lid 30, bends at the folding portion, and fits into the fitting locking portion 31 of the lid 30, so that the mounting body 300 is attached to the lid 30 and easily locked in place (see Figure 16). As shown in Figure 14, the design print C of the mounting body 300 (sheet 303) can be seen from the window M2. Figure 16 shows an end view of the lid 30 with the mounting body 300 attached. In this state, the locking flap 301 fits into the locking fitting portion 31, locking and fixing the mounting body 300 to the lid 30. The release portion 32 also has a space that can be gripped with a finger.
[0041] Thus, the lid 30 is equipped with a window portion M2 and a mounting body 300 that can be viewed through this window portion M2. Furthermore, the lid 30 has locking fitting portions 31 formed on the inner plate 13 and inner plate 16, and a locking flap 301 is attached to the periphery of the mounting body 300. The mounting body 300 is attached to the lid 30 by locking the locking flap 301 to the locking fitting portion 31. This allows the mounting body 300 to be attached to the lid 30 in an extremely simple manner, and the design print C of the mounting body 300 can be seen from the window portion M2.
[0042] Furthermore, even after the mounting body 300 (design print C) has been attached to the lid 30, the lid 30 can be easily removed by placing a finger on the release part 32 and pulling the locking flap 301 in the opposite direction to the inner top plate 13 and inner plate 16, while the lid 30 remains assembled. Furthermore, without disassembling the lid 30, the sheet 303 (design print C) of the mounting body 300 can be replaced with another sheet (print design X) while the lid 30 remains assembled, and the mounting body 300 can be easily attached to the lid 30 using the same procedure as described above. In this way, since the mounting element can be attached and detached while the lid 30 is assembled, it is possible to select multiple types of displays for a single lid as needed.
[0043] Furthermore, since the mounting body 300 is attached to the lid 30 after it has been assembled, it is also possible to assemble the lid 30 in advance and store it in a completed state, and then attach the necessary mounting body later. Furthermore, in this embodiment, the sheet 303 is made of thin printing paper. Even when the design is printed on thin paper in this way, the overall strength of the mounting body 300 can be maintained.
[0044] In the embodiments described above, a lid is provided separately from the container body. However, the present invention is not limited to these embodiments, and any lid that closes the opening of a packaging container can achieve the effects of the present invention. For example, even in a container body having a rectangular bottom plate with side plates on all four sides and an open top, the technical idea of the present invention can be realized by attaching a lid to the open end of one of the side plates. [Explanation of symbols]
[0045] 10, 20, 30 Lids 11 Top plate 12, 15 Outer plate 13, 16 Inner panel 14, 17 Retaining plate 18 Insert plate 19 Connecting plate 21 Pressing part 31 Locking fitting part 32 Release section 100, 200, 300 units 301 Locking flap 302 Holding part 303 seats S1, S2, S3 Lid sheet material M1, M2 window section
Claims
1. A lid for a packaging container, which closes the opening of the main body of the packaging container, and is assembled by folding a sheet material, wherein the lid comprises a window and a mounting body that can be seen through the window and can be attached to and detached from the lid.
2. A lid for a packaging container according to claim 1, characterized in that the mounting body is attached to or removed when the lid is assembled.
3. A lid for a packaging container according to claim 1 or 2, characterized by comprising a release means for removing the mounting body from the lid.
4. A lid for a packaging container according to claim 1 or 2, comprising a top plate, an outer plate surrounding the top plate, an inner plate facing the outer plate, and a retaining plate connected to the inner plate, wherein the mounting body is sandwiched between the top plate and the retaining plate.
5. A lid for a packaging container according to claim 3, comprising a top plate, an outer plate surrounding the top plate, an inner plate facing the outer plate, and a retaining plate connected to the inner plate, wherein the mounting body is sandwiched between the top plate and the retaining plate.
6. A lid for a packaging container according to claim 1 or 2, comprising a top plate, an outer plate around the top plate, and an inner plate facing the outer plate, wherein a locking fitting portion is formed on the inner plate, a locking flap is provided in series on the periphery of the mounting body, and the mounting body is attached to the lid by locking the locking flap to the locking fitting portion.
7. A lid for a packaging container according to claim 3, comprising a top plate, an outer plate around the top plate, and an inner plate facing the outer plate, wherein a locking fitting portion is formed on the inner plate, a locking flap is provided on the periphery of the mounting body, and the mounting body is attached to the lid by locking the locking flap to the locking fitting portion.
Citation Information
Patent Citations
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JP4002897B2