Individual packaging box

Abstract

The width of the slit (23) formed in the inner flap (7) in a direction orthogonal to the length direction is greater than the thickness of the first bent portion (20) overlapping the second bent portion (21). When the first bent portion (20) and the second bent portion (21) are overlapped with each other and enter the inside of the main body portion (3) through the slit (23) in a state where the top panel (5) closes the opening (11) and the inner flap (7) is located on the inner surface side of the second side panel (31c), the second bent portion (21) is separated from the first bent portion (20), so that the first bent portion (20) and the second bent portion (21) cannot be pulled out from the inside of the main body portion (3) to the outside of the main body portion (3) through the slit (23). A through hole (17) for inserting an opening tool (25) into the inside of the main body portion (3) is formed in the top panel (5), the opening tool (25) being used to press the second bent portion (21) separated from the first bent portion (20) in the inside of the main body portion (3) to bring the first and second bent portions (20, 21) into contact with each other.

Description

TECHNICAL FIELD

[0001] The present application relates to an independent packaging box. BACKGROUND

[0002] In the past, as a method for preventing an independent packaging box placed on a store floor from being improperly opened, the attachment of a seal member has generally been performed. In recent years, in consideration of the influence on the environment, an independent packaging box that prevents improper opening without using a seal member has appeared. In Patent Document 1, an independent packaging box is described in which, once a folded locking piece is inserted into an insertion hole, the locking piece cannot be pulled out of the insertion hole to fix a lid flap. In the independent packaging box described in Patent Document 1, when a portion of the lid flap is cut, the locking of the locking piece is released, and thus the lid flap can be opened.

[0003] PRIOR ART DOCUMENTS

[0004] PATENT DOCUMENTS

[0005] Patent Document 1: Japanese Patent No. 4238650 SUMMARY

[0006] With the independent packaging box described in Patent Document 1, when a product (an object to be stored) stored in the independent packaging box is to be taken out of the independent packaging box for the reason of inspection or repair of the product, or the like, the independent packaging box must be destroyed, and the independent packaging box cannot be opened in a reusable state.

[0007] An object of one or more embodiments is to provide an independent packaging box that can prevent improper opening without using an anti-opening seal member, and that can be opened in a reusable state after an object to be stored is stored and the independent packaging box is closed.

[0008] According to one or more embodiments, there is provided an independent packaging box including: a main body portion having first and second side panels facing each other, and having an opening for taking in and out an object to be stored; a top panel coupled to an end of the opening side of the first side panel, and opening and closing the opening by rotating with respect to the first side panel; an inner flap coupled to the top panel, and rotating with respect to the top panel, the inner flap being positioned at an inner surface side of the second side panel in a state in which the top panel closes the opening; and an outer flap having a base portion coupled to the second side panel and rotating with respect to the second side panel, a first bent portion coupled to the base portion and rotating with respect to the base portion, and a second bent portion coupled to the first bent portion and rotating with respect to the first bent portion, a slit formed in the inner flap in a straight line shape, a width of the slit in a direction orthogonal to a length direction being greater than a thickness in which the first bent portion and the second bent portion overlap each other, the second bent portion being configured to be separated from the first bent portion when the first bent portion and the second bent portion are overlapped with each other and enter an inside of the main body portion through the slit in a state in which the top panel closes the opening and the inner flap is positioned at the inner surface side of the second side panel, so that the first bent portion and the second bent portion cannot be pulled out to an outside of the main body portion through the slit from the inside of the main body portion, thereby maintaining the state in which the top panel closes the opening, a through hole being formed in the top panel for inserting an opening tool into the inside of the main body portion, the opening tool being used to press the second bent portion separated from the first bent portion in the inside of the main body portion, so that the first bent portion and the second bent portion are in contact with each other.

[0009] According to one or more embodiments, an independent packaging box can prevent illegal opening without using an anti-opening seal, and can be opened in a reusable state after storing an object to be stored and closing the independent packaging box. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 FIG. 1 is a perspective view of an independent packaging box according to one or more embodiments, showing a state in which an opening is opened.

[0011] Figure 2 FIG. 2 is a perspective view of the independent packaging box according to one or more embodiments, showing a state before an outer flap is inserted into a main body portion in which an opening is closed.

[0012] Figure 3 FIG. 3 is a perspective view of the independent packaging box according to one or more embodiments, showing a state in which the outer flap is inserted into the main body portion in which the opening is closed.

[0013] Figure 4 FIG. 4 is a perspective view showing that an opening tool is to be used to press a second bent portion separated from a first bent portion in an inside of a main body portion, so that the first bent portion and the second bent portion are in contact with each other. Figure 3One or more embodiments of the illustrated state relate to a perspective view of the state in which the independent packaging box is opened.

[0014] Figure 5 One or more embodiments of the illustrated state relate to a partial cross-sectional view of the independent packaging box in a state in which the un-closed opening is cut with a plane orthogonal to the X direction.

[0015] Figure 6 One or more embodiments of the illustrated state relate to a partial cross-sectional view of the independent packaging box in a state in which the closed opening is cut with a plane orthogonal to the X direction and the outer flap is inserted into the body portion.

[0016] Figure 7 One or more embodiments of the illustrated state relate to a partial cross-sectional view of the independent packaging box cut with a plane orthogonal to the X direction in a state in which the opening tool is used.

[0017] Figure 8A One or more embodiments of the illustrated state relate to a side view of the opening tool.

[0018] Figure 8B One or more embodiments of the illustrated state relate to a plan view of the opening tool viewed from the lower surface.

[0019] Figure 9 One or more embodiments of the illustrated state relate to a partial cross-sectional view of the independent packaging box in a state in which the closed opening is cut with a plane orthogonal to the X direction and the outer flap is inserted into the body portion.

[0020] Figure 10 One or more embodiments of the illustrated state relate to a partial cross-sectional view of the independent packaging box cut with a plane orthogonal to the X direction in a state in which the opening tool is used.

[0021] Figure 11 One or more embodiments of the illustrated state relate to a partial cross-sectional view of the independent packaging box cut with a plane orthogonal to the X direction in a state in which the opening tool is used. DETAILED DESCRIPTION

[0022] Figure 1 One or more embodiments of the illustrated state relate to a partial cross-sectional view of the independent packaging box in a state in which the closed opening is cut with a plane orthogonal to the X direction and the outer flap is inserted into the body portion. Figure 1 One or more embodiments of the illustrated state relate to a partial cross-sectional view of the independent packaging box in a state in which the closed opening is cut with a plane orthogonal to the X direction and the outer flap is inserted into the body portion.

[0023] The main body 3 includes a base plate 29 and four side plates 31a to 31d. Side plates 31a (first side plate) and 31c (second side plate) are opposite each other, and side plates 31b and 31d are opposite each other. The main body 3 has an opening 11 at its upper end (Z-direction end) for the storage of items. When viewed from the side plate 31c side, the individual packaging box 1 is formed in a left-right symmetrical manner. The individual packaging box 1 is formed of a material such as paper of a specified thickness. It is assumed that the material forming the individual packaging box 1 is paper.

[0024] The top plate 5 is connected to the upper end of the side plate 31a. The top plate 5 can rotate freely relative to the side plate 31a with its boundary portion 13 as the center of rotation. Rotation refers to bidirectional rotation within an angle range of less than 360 degrees. Through the rotation of the top plate 5, the opening 11 of the main body 3 is opened and closed. The inner folding wing 7 is connected to the end of the top plate 5 opposite to the boundary portion 13. The inner folding wing 7 can rotate freely relative to the top plate 5 with its boundary portion 15 as the center of rotation.

[0025] On the top plate 5, two oblong through holes 17 are provided near the inner fold 7. An oblong shape is defined as an arc connecting two semicircles of equal radius by a common external tangent. The shape of the through holes 17 is not limited to oblong. The two through holes 17 are arranged in the X direction at a predetermined interval. The through holes 17 are sized to a degree that prevents a human finger from entering. A straight slit 23 is formed through the inner fold 7. The two through holes 17 are positioned near the boundary portion 15, located within the range of the two ends of the slit 23 in the X direction.

[0026] The outer wing 9 is located near the upper end of the side plate 31c. For example... Figure 1 or Figure 3 As shown, two cuts 33 of a predetermined length are formed at the end of the side plate 31c on the side of the top wing 51 (the upper end of the main body 3). The line segment connecting the ends of the two cuts 33 on the side away from the top wing 51 is the connection part 35 between the outer wing 9 and the side plate 31c.

[0027] The outer wing 9 is formed by cutting off a portion of the area spanning the side plate 31c and the top wing 51, bending the cut portion outward at the connection portion 35 with the side plate 31c, and thus bending it at two points. The outer wing 9 has a base 19 connected to the side plate 31c via the connection portion 35, a first bent portion 20 connected to the base 19, and a second bent portion 21 connected to the first bent portion 20. The base 19, the first bent portion 20, and the second bent portion 21 are rectangular. The first bent portion 20 is the middle portion of the outer wing 9 as a whole, and the second bent portion 21 is the front end portion of the outer wing 9 as a whole.

[0028] The outer flap 9 is rotatably supported by the side panel 31c at the joint 35. The first bent portion 20 and the second bent portion 21 are rotatably supported by the side panel 31c at the boundary 37. Figure 5 The second bent portion 21 is rotatably supported by the side panel 31c at the boundary 38. At this time, the first bent portion 20 is also rotatable at the boundary 37. When the second bent portion 21 is pressed, the first bent portion 20 and the second bent portion 21 can be brought into a state of being overlapped with each other. The joint 35 is parallel to the boundaries 37 and 38. Figure 5

[0029] In addition, the distance from the boundary 38 to the front end of the second bent portion 21 is shorter than the distance from the boundary 37 to the boundary 38, which is the length of the first bent portion 20.

[0030] Round through-holes 91 are formed at both ends of the second bent portion 21 in the width direction. The through-holes 91 can be provided at positions closer to the front end than the center position in the range from the boundary 38 to the front end of the second bent portion 21.

[0031] The length of the slit 23 in the X direction formed in the inner flap 7 is slightly longer than the width of the outer flap 9 in the X direction. The width of the slit 23 in a direction orthogonal to the X direction (width in a direction orthogonal to the length direction) is slightly wider than the thickness of the first bent portion 20 and the second bent portion 21 when they are overlapped with each other. Therefore, as described later, the first bent portion 20 and the second bent portion 21 can be inserted into the slit 23 so as to be overlapped with each other.

[0032] The individual packaging box 1 configured as described above is in an initial state as shown in Figure 1 The opening 11 is open. When an article is housed in the main body 3, the pair of side flaps 45 is rotated to cover the left and right ends of the opening 11, and further, the top flap 51 is rotated with respect to the side panel 31c, the top flap 51 substantially closes the opening 11 at a position inward of the top panel 5. When the top panel 5 is rotated to approach the top flap 51, and the left and right ends of the inner flap 7 are inserted into the gaps 52 formed between the side panel 31c and the outer flap 9 on both outer sides of the top flap 51, the state shown in Figure 2 is obtained.

[0033] In the state shown in Figure 2 , the inner flap 7 is positioned on the inner surface side of the side panel 31c, and closes the opening formed by cutting the outer flap 9 at the upper end of the side panel 31c. The inner flap 7 is in contact with the inner surface of the side panel 31c. The top panel 5 closes the opening formed by cutting the outer flap 9 at the top flap 51, and covers the entire top flap 51. The top panel 5 closes the opening 11 via the pair of side flaps 45 and the top flap 51.

[0034] In the state shown in Figure 2 ​In the illustrated state, when the second bent portion 21 is pressed to make the first bent portion 20 and the second bent portion 21 overlap, and the overlapped first bent portion 20 and the second bent portion 21 are inserted into the slit 23 while rotating around the connecting portion 35 and the boundary portion 37 as the center of rotation, the state becomes Figure 3 as illustrated. If the overlapped first bent portion 20 and the second bent portion 21 enter the inside of the main body portion 3, the second bent portion 21 rotates around the boundary portion 38 as the center of rotation and moves away from the first bent portion 20. Figure 6

[0035] When the first bent portion 20 and the second bent portion 21 are in a state of being separated from each other inside the main body portion 3, even if the base portion 19 is pulled outward to make the outer flap 9 rotate in the direction indicated by an arrow A6, since the second bent portion 21 is in contact with the inner surface of the inner flap 7, the outer flap 9 cannot be pulled out to the outside of the main body portion 3. Thus, the top panel 5 maintains a state in which the opening 11 of the main body portion 3 is closed by the pair of side flaps 45 and the top flap 51. Figure 6

[0036] The inner flap 7 and the outer flap 9 in a state in which the first bent portion 20 and the second bent portion 21 have entered the inside of the main body portion 3 through the slit 23 function as a closing state maintaining portion and maintain a state in which the top panel 5 closes the opening 11.

[0037] As described above, if the accommodated article is accommodated in the main body portion 3 and the individual packaging box 1 is closed as illustrated in Figure 3 , the outer flap 9 cannot be pulled out, and thus the top panel 5 cannot be opened. The individual packaging box 1 can prevent improper opening without using a tamper-evident seal.

[0038] After the accommodated article is accommodated in the main body portion 3 and the individual packaging box 1 is closed, sometimes the accommodated article is desired to be taken out from the individual packaging box 1 for the reason of inspection or repair of the accommodated article, or the like. The individual packaging box 1 is configured to be opened in a reusable state by using a dedicated opening tool after the individual packaging box 1 is closed. By opening the individual packaging box 1 using the opening tool, the top panel 5, the inner flap 7, or the outer flap 9 is not damaged, and the main body portion 3 is not deformed, and thus the individual packaging box 1 does not need to be replaced.

[0039] The opening tool for opening the individual packaging box 1, and how the individual packaging box 1 is opened using the opening tool are described using Figure 4 , Figure 7 , Figure 8A , and Figure 8B . As Figure 8A and Figure 8B ​​As shown, the opening tool 25 has a rectangular tool body 250 and a pair of cylindrical legs 251 protruding from the tool body 250. A cylindrical protrusion 252 with a diameter smaller than the diameter of the leg 251 is provided at the front end of each leg 251. The opening tool 25, including the tool body 250 and the pair of legs 251 with protrusions 252, can be formed, for example, by integral molding of synthetic resin.

[0040] The spacing between the pair of legs 251 is the same as the spacing between the pair of through holes 17. The diameter of the legs 251 is slightly smaller than the spacing between the two common external tangents of the through holes 17. Therefore, the pair of legs 251 can be inserted into the pair of through holes 17. Since the through holes 17 are oblong, the pair of legs 251 can move within the pair of through holes 17. To allow the legs 251 to move within the through holes 17, the through holes 17 can also be elliptical. The diameter of the protrusion 252 is slightly smaller than the diameter of the through hole 91. The length (protrusion amount) of the protrusion 252 is preferably greater than or equal to the thickness of the second bend 21.

[0041] like Figure 4 As shown, the opening tool 25 is lowered from above the individual packaging box 1 until the tool body 250 contacts the top plate 5, and a pair of legs 251 are inserted into a pair of through holes 17. At this time, the legs 251 (protrusions 252) press down. Figure 6 The second bend 21 is shown in the first bend 20 and the second bend 21 in their separated states. Thus, as... Figure 7 As shown, the second bend 21 rotates around the boundary portion 38 as the rotation center and comes into contact with the first bend 20, resulting in an overlap between the first bend 20 and the second bend 21. The length of the leg portion 251 is such that the second bend 21 comes into contact with the first bend 20.

[0042] At this time, the pair of protrusions 252 can be inserted into the pair of through holes 91. At the moment when the leg 251 is inserted into the through hole 17 and the second bend 21 contacts the first bend 20, sometimes the protrusions 252 may deviate from the through hole 91 and thus not be inserted into the through hole 91. Even in such cases, by moving the opening tool 25, the pair of protrusions 252 can be inserted into the pair of through holes 91. The protrusions 252 function as engaging parts that engage with the through holes 91, and the through holes 91 function as engaged parts for the protrusions 252 to engage with.

[0043] like Figure 7As shown, with the pair of protrusions 252 engaged with the pair of through holes 91, when the opening tool 25 is slid in the direction of arrow A7, a portion of the overlapping first bend 20 and second bend 21 can protrude outwards through the slit 23 towards the outside of the main body 3. At this point, even if the opening tool 25 is removed, the first bend 20 and second bend 21 remain overlapping. If the base 19 or the protruding first bend 20 and second bend 21 are pulled outwards, causing the outer wing 9 to... Figure 6 If the outer wing 9 is rotated in the direction indicated by arrow A6, it can be pulled outwards from the main body 3.

[0044] If the outer wing 9 is pulled outwards towards the outside of the main body 3, the individual packaging box 1 returns to its original position. Figure 2 The state shown. In Figure 2 If the inner flap 7 is removed from the gap 52 and the top plate 5 is lifted, and the pair of side flaps 45 and the top flap 51 are opened, the individual packaging box 1 can be returned to its original position. Figure 1 The state shown.

[0045] As described above, when it is necessary to remove the stored item from the individual packaging box 1 for reasons such as inspection or repair, the stored item can be removed from the individual packaging box 1 in a reusable state by using the dedicated opening tool 25. At this time, the top plate 5, inner folding 7 or outer folding 9 will not be damaged, and the main body 3 will not be deformed. After the stored item has been inspected or repaired, it can be put back into the main body 3 and the individual packaging box 1 can be closed. When it is necessary to remove the stored item from the individual packaging box 1 before the product leaves the factory, the stored item can be removed using the opening tool 25. Improper opening can be prevented in stores or other locations after the product has left the factory.

[0046] use Figure 9 Explain the first variation. Figure 9 The outer flap 9 shown also has a third flap 22 connected to the second flap 21. The third flap 22 is rectangular. The third flap 22 can rotate freely relative to the second flap 21 with the boundary portion 39 as the rotation center. Circular through holes 92 are formed at both ends of the third flap 22 in the width direction. When the second flap 21 and the third flap 22 overlap, the through holes 91 and 92 are in the same position in the surface direction of the second flap 21 and the third flap 22.

[0047] In the first modified example, the width of the slit 23 in the direction orthogonal to the X direction (the width in the direction orthogonal to the length direction) is slightly larger than the thickness of the overlapping first bend 20 to third bend 22. Therefore, it is possible to insert the overlapping first bend 20 to third bend 22 into the slit 23. Figure 9As shown, when the overlapping first bends 20 to third bends 22 are inserted into the slit 23 and enter the interior of the main body 3, the first bends 20 to third bends 22 separate from each other. The third bend 22 contacts the inner surface of the top plate 5, thus blocking a pair of through holes 17 from the inner surface side.

[0048] When the first bend 20 to the third bend 22 inside the main body 3 are separated from each other, even if the base 19 is pulled outward to rotate the outer wing 9, the outer wing 9 cannot be pulled outward from the main body 3 because the second bend 21 and the third bend 22 are in contact with the inner surface of the inner wing 7. As a result, the top plate 5 maintains a state in which the opening 11 of the main body 3 is closed via a pair of side wings 45 and the top wing 51.

[0049] The opening tool 25 used in the first variation is with Figure 8A and Figure 8B The opening tool 25 shown has the same structure. However, in the first variation, the length (protrusion amount) of the protrusion 252 in the opening tool 25 can be set to be greater than the thickness of the plate when the second bend 21 and the third bend 22 are joined together. When the pair of legs 251 of the opening tool 25 are inserted into the pair of through holes 17, the legs 251 (protrusion 252) press against the second bend 21 and the third bend 22.

[0050] Therefore, as Figure 10 As shown, the first bend 20 to the third bend 22 overlap each other. At this time, the protrusion 252 can be inserted into the through holes 91 and 92. The through holes 91 and 92 function as engaging portions for engaging the protrusion 252. The length of the leg 251 is such that the third bend 22 contacts the second bend 21, and the second bend 21 contacts the first bend 20.

[0051] In the first modified example, the opening tool 25 can also slide in the direction of arrow A10 to pull the outer flap 9 outwards from the main body 3.

[0052] According to the first modified example, if the outer flap 9 is allowed to enter the interior of the main body 3, the third bend 22 blocks the through hole 17 from the inner surface of the top plate 5. Therefore, the aesthetics of the closed independent packaging box 1 are good, and foreign objects can be prevented from entering the interior of the main body 3.

[0053] use Figure 11 Explanation of the second variation. The outer wing 9 in the second variation... Figure 1 The outer flap 9 shown also has a base 19, a first bend 20, and a second bend 21. However, in the second modification, the second bend 21 does not have a through hole 91. Consequently, in the opening tool 25 used in the second modification, a [missing information - likely a missing element] is omitted.Figure 8A and Figure 8B The protrusions 252 in the opening tool 25 shown in FIG. 12. In the second modification, the opening tool 25 does not need to be slid, and the through-holes 17 are formed in a circular shape having a diameter that enables the legs 251 to be inserted.

[0054] If the pair of legs 251 are inserted into the pair of through-holes 17, the legs 251 press the second bent portion 21 among the first bent portion 20 and the second bent portion 21 in a state in which they are separated from each other, and become a state in which the first bent portion 20 and the second bent portion 21 overlap. If the base portion 19 is pulled outward to rotate the outer flap 9, the outer flap 9 can be pulled out to the outside of the main body portion 3.

[0055] As a third modification, in the outer flap 9 having the base portion 19, the first bent portion 20, the second bent portion 21, and the third bent portion 22, the through-holes 91 and 92 can also be deleted.

[0056] The present application is not limited to one or more of the embodiments described above, and various modifications can be made without departing from the spirit of the present application.

[0057] This application claims priority from Japanese Patent Application No. 2020-203970 filed on December 9, 2020, the entire disclosure of which is incorporated herein by reference.

Claims

1. An individual packaging box, comprising: The main body has a first side plate and a second side plate that are opposite each other, and has an opening for taking out and putting in the stored items; The top plate is connected to the end of the first side plate on the opening side, and rotates relative to the first side plate to open and close the opening; The inner folding wing is connected to the top plate and rotates relative to the top plate. When the top plate closes the opening, the inner folding wing is located on the inner surface of the second side plate. as well as The outer flap has: a base connected to and rotatable relative to the second side plate; a first bent portion connected to and rotatable relative to the base; and a second bent portion connected to and rotatable relative to the first bent portion. A straight slit is formed on the inner folding wing. The width of the slit in the direction orthogonal to the length direction is greater than the thickness of the overlap between the first bent portion and the second bent portion. When the top plate closes the opening and the inner flap is located on the inner surface of the second side plate, and the first and second bent portions overlap and enter the interior of the main body through the slit, the second bent portion is configured to leave the first bent portion. This prevents the first and second bent portions from being pulled out of the main body through the slit, thus maintaining the state where the top plate closes the opening. A through hole is formed in the top plate for inserting an opening tool into the interior of the main body. The opening tool is used to press down on the second bend, which has separated from the first bend, inside the main body, causing the first bend and the second bend to come into contact with each other. The second bending portion has a locking portion for the opening tool to engage. The through hole is formed in such a shape that, when the opening tool is engaged with the engaged portion, the opening tool can slide in a direction that causes a portion of the overlapping first and second bend portions to protrude outward from the main body portion through the slit.

2. The individual packaging box as described in claim 1, wherein, The outer flap also has a third bend, which is connected to the second bend and rotates relative to the second bend. The width of the slit in the direction orthogonal to the length direction is greater than the thickness of the overlapping portion of the first bend, the second bend, and the third bend. When the top plate closes the opening and the inner folding wing is located on the inner surface of the second side plate, and the first, second, and third bent portions overlap and enter the interior of the main body through the slit, the second bent portion is configured to leave the first bent portion, and the third bent portion leaves the second bent portion. Therefore, the first, second, and third bent portions cannot be pulled out from the interior of the main body through the slit to the exterior of the main body, thereby maintaining the state where the top plate closes the opening. A through hole is formed on the top plate for inserting an opening tool into the interior of the main body. The opening tool is used to press the second bend that has moved away from the first bend and the third bend that has moved away from the second bend inside the main body, so that the first bend, the second bend, and the third bend come into contact with each other.

3. The individual packaging box as described in claim 2, wherein, With the outer flap inside the main body, the third bend moves away from the second bend and contacts the inner surface of the top plate, thereby blocking the through hole.

4. The individual packaging box as described in claim 2, wherein, The third bend also has a locking portion for the opening tool to engage. The through hole is formed in such a shape that, when the opening tool is engaged with the engaged portion, the opening tool can slide in a direction that causes a portion of the overlapping first bend, second bend, and third bend to protrude outward from the main body through the slit.

5. The individual packaging box as described in any one of claims 1 to 4, wherein, The opening tool has: a tool body; a leg that protrudes from the tool body and is inserted into the through hole; and a protrusion disposed at the front end of the leg.

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