Packaging
The paper-based packaging solution addresses the challenges of stacking and tamper-proofing for cylindrical contents by using a paper material with a locking mechanism, ensuring stable display and eco-friendliness.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- ASAHI PRINTING CO LTD
- Filing Date
- 2022-02-28
- Publication Date
- 2026-06-01
AI Technical Summary
Existing packaging for cylindrical or polygonal columnar contents is cumbersome to stack and lacks tamper-proof functionality, and there is a need for eco-friendly alternatives to plastic packaging.
A packaging body made from a single piece of paper forming material, featuring side walls assembled into a cylindrical body with a bottom, a sign portion, a positioning projection, and a locking piece, which engages with the contents to provide tamper-proof security and stable stacking.
The packaging effectively packages cylindrical or polygonal prism-shaped contents in a small area, allowing for neat display and tamper-proof functionality while being environmentally friendly, with minimal paper usage and stable stacking.
Smart Images

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Abstract
Description
Technical Field
[0001] The present invention relates to a package that packs and transports cylindrical or polygonal columnar contents and is suitable for display at a storefront as it is.
Background Art
[0002] Conventionally, packages for packing cylindrical or polygonal columnar contents, for example, cosmetics placed in a cylindrical jar container composed of a bottomed cylindrical container body that opens upward and a lid that closes the opening, have been shrink-wrapped with a plastic material or have a POP-compatible sealing label attached. Also, there are some cylindrical contents that can be stacked and collectively displayed.
[0003] For example, the cylindrical display and storage container disclosed in Patent Document 1 is composed of a cylindrical body formed by connecting both ends of a belt-like body, and a bottom surface forming means is extended at the lower end of the belt-like body, and a notch is formed in the lower edge of the belt-like body into which a fixing belt folded out is inserted. According to this cylindrical display and storage container, cylindrical contents can be packed and stacked for display. When stacking for display, after reversing the fixing belt on the back surface of the cylindrical display and storage container placed in the lower stage from the state of abutting against the top surface of the contents and returning it to the curved position in the cylindrical body, the cylindrical display and storage container of the product placed in the upper stage fits into the open top of the cylindrical display and storage container in the lower stage, completing the stacking and enabling it to be used for display.
Prior Art Documents
Patent Documents
[0004]
Patent Document 1
Summary of the Invention
Problems to be Solved by the Invention
[0005] In the case of the above-mentioned background technology, when stacking and displaying the containers, the fixing strap on the back of the cylindrical display container placed on the bottom tier must be reversed from its contact position with the top surface of the contents and returned to its curved position within the cylindrical structure, which is cumbersome. Furthermore, when the fixing strap is returned to its curved position, no trace is left, making it possible to remove the contents, thus providing no tamper-proof function.
[0006] Furthermore, in recent years, there has been a demand for plastic reduction in packaging to meet environmental considerations, and there is a need for packaging made solely from paper materials as an alternative to blister packaging and pouch packaging. Paper packaging for cylindrical contents includes, for example, a box with a continuous pattern of signs on a hexagonal box, but packaging cylindrical contents in a box requires a large amount of paper surface area.
[0007] This invention was made in view of the problems of the background technology described above, and aims to provide a packaging body that is made of paper, has little impact on the environment, can reliably package cylindrical or polygonal prism-shaped contents in a small area, and can be displayed in stores in its packaged state. [Means for solving the problem]
[0008] The present invention relates to a packaging body made from a single piece of paper forming material, having side walls assembled into a cylindrical body, wherein one opening of the cylindrical body of the side wall is provided with a bottom, the other opening is provided with a sign portion projecting upward from the cylindrical body, a positioning projection projecting upward from the cylindrical body, and a locking piece that engages with a part of the contents, and the bottom side of the side wall is formed with a notch into which the positioning projection of the packaging body of the same shape can be inserted from below.
[0009] The packaging-forming piece is provided with a rectangular back and front that form the side wall, and an adhesive piece connected to the side edge of the front and glued to the back, all connected to each other. The front is provided with a sign section, and the sign section is provided with a printed section on which information about the contents is printed.
[0010] On the front or back side, a locking projection is provided, separated from the front or back side by a crease line having a cutting line. On the other front or back side where the locking projection is not provided, a locking piece is provided, separated by a crease line. The locking piece is an elongated strip, and its length in the longitudinal direction is approximately the same as the diameter of the cylindrical body when the side walls are assembled into a cylindrical body. At the end of the locking piece, a locking piece is provided, which is inserted into the crease line of the locking projection to lock it when the locking piece is folded at approximately a right angle along the crease line.
[0011] A package containing an item consisting of a bottomed cylindrical body with an opening at the top and a lid that closes the opening of the body. packaging The side wall is cylindrical, with an upward opening, and the contents are placed inside the side wall without rattling. The locking piece is provided on the front or back surface separated by a crease, and the locking piece is folded along the crease, along the back surface of the front or back surface, and hangs down toward the bottom. When the contents are placed in while holding down the locking piece, the locking piece is inserted between the back surface of the front or back surface and the contents, making contact with the contents, and the end of the locking piece is attached to the contents. Between the main body and the lid It will be locked.
[0012] An outer bottom portion is provided at the bottom-side end of either the front or back surface, separated by a fold line, and an inner bottom portion is provided at the bottom-side end of the other front or back surface, which does not have an outer bottom portion, separated by a fold line, to be glued to the back surface of the outer bottom portion. When the back surface and the front surface are folded together, the glued piece is glued to the back surface, the outer bottom portion and the inner bottom portion are glued together, and the back surface and the front surface are bent outward so that they separate from each other to form a cylindrical side wall, the outer bottom portion and the inner bottom portion are automatically raised, and the bottom is formed with a single touch.
[0013] The back surface is provided with a cut-off section surrounded by a pair of break lines for opening, and this cut-off section is continuous with the inner bottom. [Effects of the Invention]
[0014] The packaging of the present invention is made of paper, which has a low impact on the environment, and can reliably package cylindrical or polygonal prism-shaped contents in a small area, allowing them to be neatly arranged and displayed in stores while still packaged. Furthermore, it can display information about the contents over a large area, has tamper-proof functionality, and is stackable, making it suitable for display in stores. [Brief explanation of the drawing]
[0015] [Figure 1] This is a perspective view (a) of the packaging body of the first embodiment of this invention, and a perspective view (b) showing the packaged state. [Figure 2] This is an unfolded view of the packaging body according to the first embodiment of this invention. [Figure 3] This is an exploded view showing the assembly process of the packaging body according to the first embodiment of this invention. [Figure 4] This is an exploded view showing the assembly process of the packaging body according to the first embodiment of this invention. [Figure 5] This is a perspective view showing the stacked state of the packaging according to the first embodiment of this invention. [Figure 6] This is a perspective view (a) of a packaging body according to a second embodiment of the present invention, and a perspective view (b) showing the packaged state. [Figure 7] This is an unfolded view of the packaging according to the second embodiment of this invention. [Modes for carrying out the invention]
[0016] Hereinafter, embodiments of the present invention will be described based on the drawings. FIGS. 1 to 5 show a first embodiment of the present invention. The package 10 in this embodiment is provided by assembling a package forming piece 12 formed by punching out a paper sheet. FIG. 2 is a development view of the package forming piece 12 as seen from the surface. In the package forming piece 12, a back surface 14 and a front surface 16, which are side walls to be assembled into a cylindrical body, are connected in parallel to each other. The back surface 14 and the front surface 16 have the same length in the width direction perpendicular to the connecting direction, and the length in the connecting direction is such that the back surface 14 is slightly shorter than the front surface 16. Further, an adhesive piece 18 to be adhered to the surface of the back surface 14 is provided at the side edge portion of the front surface 16. The back surface 14, the front surface 16, and the adhesive piece 18 are each divided by folding lines 22 and 24.
[0017] In the back surface 14, at one end portion 14a in a direction perpendicular to the connecting direction of the front surface 16, an elongated strip-shaped lock piece 26 is provided, which is separated by a folding line 28 along the end portion 14a. A breaking line for opening may be provided on the folding line 28. The width of the lock piece 26 in a direction parallel to the folding line 28 is about one-fourth of the length of the end portion 14a, and the length in a direction perpendicular to the folding line 28, that is, the longitudinal length, is approximately the same as the diameter of the cylindrical body when the back surface 14 and the front surface 16, which are side walls, are assembled into the cylindrical body.
[0018] The lock piece 26 is continuous with the side edge portion 14b of the back surface 14 on the side opposite to the folding line 22 and extends in the extending direction of the side edge portion 14b. The shape of the lock piece 26 is a drum shape formed by arcs in which a pair of side edge portions intersecting the folding line 28 are recessed toward the center of the lock piece 26. The end portion 26a of the lock piece 26 on the side opposite to the folding line 28 is a straight line parallel to the folding line 28, and at the center of the end portion 26a, a locking piece 30, which is an arrow-shaped protruding piece, is provided, separated by a folding line 32. The portions of the locking piece 30 that project outward on both sides in a direction parallel to the end portion 26a become protruding portions 30a that are inserted into and locked by a cutting line 50 described later.
[0019] On the back surface 14, a pair of tear lines 34 for opening are provided straddling the center of the back surface 14. The pair of tear lines 34 for opening are each continuous with the upper end portion 14a and the lower end portion 14c on the side opposite to the end portion 14a, and the distance between the pair of tear lines 34 for opening becomes wider as it approaches the end portion 14c. The portion between the pair of tear lines 34 for opening becomes a cut-out portion 36 that is removed from the back surface 14 by cutting the pair of tear lines 34 for opening when opening. Between the end portion 14a of the cut-out portion 36 and the fold line 22, an arcuate positioning projection 38 that bulges outward from the end portion 14a is provided integrally with the back surface 14.
[0020] Between the end portion 14c and the fold line 22 of the cut-out portion 36, a notch 40 that is arcuately cut out from the end portion 14c toward the center of the back surface 14 is provided, and the corner between the end portion 14c and the side closer to the fold line 22 of the notch 40 becomes a locking edge portion 40a where a locking projection 58 of the outer bottom portion 54 described later is locked. In the portion of the end portion 14c of the back surface 14 that reaches the side edge portion 14b from a position slightly separated from the cut-out portion 36, a notch 41 having approximately the same depth from the end portion 14c as the notch 40 is cut out, the notch 41 reaches the side edge portion 14b, and the side edge portion 14b is shorter than the fold line 22.
[0021] On the portion of the end portion 14c of the back surface 14 that is continuous with the cut-out portion 36, an inner bottom portion 42 is provided separated by a fold line 44. The inner bottom portion 42 forms approximately half of the bottom portion 72 that closes the circular lower opening when the back surface 14 and the front surface 16 are made into a cylindrical body in the assembled state of the package 10. The end portion 42a on the side opposite to the fold line 44 is a straight line parallel to the fold line 44 and located near the diameter of the circular bottom portion 72, and the inner bottom portion 42 has a shape that bisects the bottom portion 72 at the end portion 42a. The pair of side edge portions 42b of the inner bottom portion 42 that intersect the end portion 42a are approximately straight lines at approximately right angles to the end portion 42a for about half of the length continuous with the end portion 42a, and are straight lines that incline toward the end of the fold line 44 for about half of the length continuous with the fold line 44, and are continuously connected to the fold line 44 at an obtuse angle. The inner bottom portion 42 is a deformed hexagon.
[0022] On the front 16, at the end 16a connected to the end 14a of the back 14, a trapezoidal locking projection 46 is provided near the fold line 22, separated by a fold line 48. The length of the locking projection 46 from the fold line 48 to the end 46a opposite the fold line 48 is shorter than the lock piece 26, approximately one-fifth the length of the lock piece 26. The fold line 48 located at the bottom is approximately equal to the fold curve 28 of the lock piece 26. Near the center of the fold line 48, a cutting line 50 is formed along the fold line 48. Both ends of the cutting line 50 are bent at an obtuse angle away from the fold line 48, forming a short inclined line toward the end 16b of the front 16 opposite to the end 16a. A rectangular signboard section 52 is provided on the end 16a between the locking projection 46 and the fold line 24, and the front 16 and the signboard section 52 are not separated by a fold line or the like.
[0023] The sign portion 52 is larger than the locking projection 46, and the length of the sign portion 52 from end 16a to the opposite end 52a is shorter than the locking piece 26, approximately half to one-third the length of the locking piece 26. The length in the direction parallel to end 16a is longer than the locking projection 46 and the locking piece 26, approximately three times the fold line 28 of the locking piece 26. The surface of the sign portion 52 is provided with a printing section 53 on which information such as the product name of the contents 70 to be packaged is printed. The back of the sign portion 52 is also printable, so explanatory text about the contents 70 may also be included on the back.
[0024] An outer bottom portion 54 is provided at the end 16b of the front 16, separated by a crease line 56. The outer bottom portion 54 forms the bottom 72 that closes the circular lower opening when the back 14 and front 16 are formed into a cylindrical shape in the assembled state of the packaging body 10. The end portion 54a opposite to the crease line 56 is a straight line parallel to the crease line 56 and is slightly longer than the crease line 56. The length of the outer bottom portion 54 in the direction parallel to the crease line 56 is approximately equal to the diameter of the lower opening and is approximately equal to or slightly longer than the end portion 42a of the inner bottom portion 42. The length of the outer bottom portion 54 from the crease line 56 to the end portion 54a is approximately equal to the diameter of the circular bottom portion 72. The pair of side edges 54b of the outer base 54 that intersect with the end 54a are, in the portion continuous with the end 54a, an arc shape that intersects with the end 54a at an obtuse angle and is slightly convex outwards, followed by a straight line that is approximately perpendicular to the end 54a, and the remaining portion continuous with the fold line 56 is a straight line that slopes toward the end of the fold line 56 and is continuous with the fold line 56 at an obtuse angle. The outer base 54 is a deformed octagon.
[0025] The boundary between the arc-shaped portion of the side edge 54b that is continuous with the end portion 54a and the portion that is approximately perpendicular to the end portion 54a is an obtuse-angled corner that is convex outward, and when the packaging body 10 is assembled, it is a locking projection 58 that locks with the locking edge 40a of the back surface 14 and the locking edge 64a of the adhesive piece 18, which will be described later. The outer bottom portion 54 is provided with a fold line 60 that passes through approximately the center, and the fold line 60 is parallel to the fold line 56, with both ends reaching the side edges 54b on both sides.
[0026] An arc-shaped positioning projection 62 is integrally provided with the adhesive piece 18 at the end 18a of the adhesive piece 18, which is connected to the end 16a of the front surface 16. The positioning projection 62 has the same shape as the positioning projection 38 and is located in a position continuous with the side edge 18b on the opposite side of the fold line 24. A notch 64 is provided on the side edge 18c on the opposite side of the end 18a, which is cut out in an arc shape from the side edge 18c toward the center of the adhesive piece 18. The corner of the notch 64 between the side edge 18c and the side edge 18c on the side closer to the fold line 24 becomes a locking edge 64a to which the locking projection 58 of the outer bottom 54 is locked. The notch 64 is approximately the same depth as the notches 40 and 41, and the notch 64 reaches the side edge 18b, which is shorter than the fold line 24.
[0027] Next, an example of how to assemble the packaging body 10 of this embodiment will be described. Here, Figure 2 shows the surface of the box-forming piece 12 of the packaging body 10, and the folding method in which the surface of the packaging body forming piece 12 becomes convex is called a forward fold, and the folding method in which the back surface becomes convex is called a reverse fold.
[0028] First, fold along the crease line 22 so that the front 16 and back 14 overlap, as shown in Figure 3. Apply glue 66 to the back of the adhesive piece 18 along the side edge 18b and fold along the crease line 24. This glues the adhesive piece 18 to the surface of the back 14 with glue 66. Then, apply glue 68 to the surface of the inner bottom 42 near the center and fold along the crease line 60 of the outer bottom 54. Although the outer bottom 54 and inner bottom 42 are overlapping, the crease line 60 of the outer bottom 54 is exposed from the end 42a of the inner bottom 42 and can be folded. This causes the portion of the outer bottom 54 between the crease line 60 and the end 54a to be folded onto the surface of the inner bottom 42 and glued with glue 68.
[0029] As shown in Figure 4, the packaging forming piece 12 is now folded, and in this state, the folded packaging 10 made of the packaging forming piece 12 is shipped to the factory that will package the contents 70, which are the products. The contents 70 in this case are cylindrical jar containers containing cosmetics, etc. Note that the order of gluing and folding may differ from the above.
[0030] Next, in the factory where the contents 70 are stored and packaged, the fold lines 22 and 24 are brought closer together, and the back 14 and front 16 are bent outward so that they separate from each other, forming a cylindrical side wall. At this time, since the inner bottom 42 and outer bottom 54 are glued to each other, the fold lines 44 and 56 are automatically folded, the folded fold line 60 opens, and the inner bottom 42 and outer bottom 54 are pulled up into the opening at the bottom of the cylinder, forming the bottom 72 with a single touch.
[0031] When the bottom 72 is lightly pushed up near the center and the fold line 60 is folded in the opposite direction at an obtuse angle, and then inserted inside the back 14 and front 16, the pair of locking protrusions 58 of the outer bottom 54 come into contact with the locking edge 40a of the notch 40 of the back 14 and the locking edge 64a of the notch 64 of the adhesive piece 18. The force of the fold line 60 restoring presses and locks it in place, locking the bottom 72 and maintaining the shape of the bottom 72 of the cylindrical body, preventing it from returning to its folded state, resulting in the state shown in Figure 1(a), and the assembly of the packaging body 10 is completed.
[0032] Next, the contents 70 are placed into the packaging 10 from the upper opening opposite the bottom 72 of the cylindrical body. The locking projection 46 is folded 90° along the fold line 48 and folded over the top surface of the contents 70. The locking piece 26 is then folded 90° along the fold line 28, at which point the end 26a of the locking piece 26 aligns with the fold line 48 of the locking projection 46. The locking piece 30 is then folded 90° along the fold line 32, and the locking piece 30 is inserted into the cutting line 50.
[0033] As a result, the arrow-shaped projections 30a on the left and right of the locking piece 30 are locked onto the back surfaces of the inclined lines at both ends of the cutting line 50, making it impossible to pull it out. Thus, as shown in Figure 1(b), the locking piece 26 is placed across the top surface of the contents 70, locking the contents 70 in place so that it cannot be removed, and the packaging of the contents 70 is completed. The sign section 52 protrudes higher than the top surface of the contents 70, and the printed section 53 is displayed. At this time, the positioning projections 38 and 62 also protrude slightly higher than the top surface of the contents 70.
[0034] When displaying the packaging 10 in a store, place it on a shelf or similar surface with the front 16 facing the consumer. The printed portion 53 of the sign portion 52 is visible to the consumer. As shown in Figure 5, identical packaging 10 can also be stacked and displayed. When stacking, the positioning protrusions 38, 62 of the lower packaging 10 are aligned with the notches 40, 64 of the upper packaging 10 and inserted. The notches 40, 64 are not blocked because the adhesive pieces 18 are glued to the back 14 and they align with each other. As a result, the stacked packaging 10 do not shift and remain stable, allowing for a neat display. At this time, the sign portions 52 also overlap each other, and the three points of the sign portion 52 and the positioning protrusions 38, 62 are located at approximately equal intervals on the circumference of the side wall, so they are evenly locked and stable.
[0035] To open the packaging 10, hold the end of the cut-off section 36 that coincides with the end 14a and pull it outwards to cut the pair of opening break lines 34. Pulling further downwards to cut down to the end 14c will detach the inner bottom 42 from the back 14 along with the cut-off section 36. In this way, by pulling the cut-off section 36 from top to bottom, the bottom 72 is detached, and the contents 70 can be removed from the packaging 10. Additionally, an opening break line is provided on the fold line 28 of the locking piece 26, allowing the locking piece 26 to be removed by cutting the fold line 28, and the packaging 10 to be unfolded into a flat packaging-forming piece 12.
[0036] According to the packaging 10 of this embodiment, it is made of paper, which has little impact on the environment, and can reliably wrap a cylindrical contents 70 with a small area of packaging forming piece 12, and can be displayed in stores in the wrapped state. The cylindrical side walls are in line with the contents 70, so there is no rattling and no waste of paper sheets. The sign portion 52 protrudes higher than the top surface of the contents 70, and the printed portion 53 is displayed over a large area, which can make a strong impression on consumers. The lock piece 26 is placed across the top surface of the contents 70, and when opening from the top, the lock piece 26 and the locking piece 30 must be broken, leaving a trace of opening, making it easy to determine that it has been opened, thus providing a tamper-proof function. When the contents 70 is displayed with the front 16 facing the consumer, the lock piece 26 is hidden behind the sign portion 52 and is not conspicuous, resulting in a good appearance. To open the package, the contents 70 can be easily removed by cutting the opening break line 34 and separating the cut-off section 36 and the inner bottom section 42 from the back surface 14. Alternatively, if an opening break line is provided on the fold line 28 of the locking piece 26, the locking piece 26 can be removed by cutting the fold line 28, and the package 10 can be unfolded into a flat package-forming piece 12.
[0037] Furthermore, the packaging units 10 can be stacked simply by placing them on top of each other. The positioning protrusions 38 and 62 of the lower packaging unit 10 fit into the notches 40 and 64 of the upper packaging unit 10, and the sign sections 52 also overlap each other, preventing them from shifting. Since the positioning protrusions 38 and 62 and the sign sections 52 are provided at three locations on the circumference of the side wall at approximately equal intervals, a stable state is achieved, allowing a large number of contents 70 to be transported and displayed in a compact and stable manner.
[0038] Next, a second embodiment of the present invention will be described with reference to Figures 6 and 7. Here, components similar to those in the above embodiment are denoted by the same reference numerals and their descriptions are omitted. The packaging body 74 of this embodiment is provided by assembling packaging body forming pieces 76 formed by punching out a paper sheet. Figure 7 is an unfolded view of the packaging body forming piece 76 as seen from the surface. The packaging body forming piece 76 is formed with a back surface 14 and a front surface 16, which are side walls assembled into a cylindrical body, connected parallel to each other. Furthermore, adhesive pieces 18 are provided on the side edges of the front surface 16. The back surface 14, the front surface 16, and the adhesive piece 18 are separated by fold lines 22 and 24, respectively.
[0039] The back surface 14 has a pair of opening break lines 34 on either side of its center, and the portion between the pair of opening break lines 34 becomes a cut-out portion 36. A positioning projection 38 is provided at the end 14a of the back surface 14, between the cut-out portion 36 and the fold line 22. A notch 40 is provided at the end 14c, between the cut-out portion 36 and the fold line 22, and the corner of the notch 40 closer to the fold line 22, between it and the end 14c, becomes a locking edge portion 40a. A notch 41 is cut out of the end 14c, from a position slightly away from the cut-out portion 36 to the side edge portion 14b. The end 14c of the back surface 14 has an inner bottom portion 42 separated by a fold line 44.
[0040] A rectangular sign section 78 is provided near the center of the end 16a of the front 16, separated by a fold line 80. The length of the sign section 78 from end 16a to the opposite end 78a is approximately equal to the width of the front 16 between end 16a and end 16b. The length in the direction parallel to end 78a is approximately half the length between the fold lines 22 and 24 of the front 16. Cutting lines 82 are provided at both ends of the fold line 80, separating both ends of the sign section 78 from end 16a. The end of the cutting line 82 on the side of the center of the fold line 80 is formed by a short arc that curves and extends toward the center of the sign section 78.
[0041] At end 16a, a rectangular locking piece 84 is provided between the sign section 78 and the fold line 24, separated by the fold line 86. The length of the locking piece 84 from the fold line 86 to the end 84a on the opposite side of the fold line 86 is shorter than the sign section 78, approximately one-third the length of the sign section 78. The length in the direction parallel to end 84a is slightly longer than the length from the fold line 86 to end 84a.
[0042] The outer bottom portion 54 is provided at the end 16b of the front 16, separated by a fold line 56. The corner of the boundary portion of the side edge 54b of the outer bottom portion 54, between the arc-shaped portion continuous with the end 54a and the portion approximately perpendicular to the end 54a, is a locking projection 58. The outer bottom portion 54 is provided with a fold line 60 passing through its center.
[0043] The adhesive piece 18 is provided with a positioning projection 62 and a notch 64, and the corner of the notch 64 between the notch 64 and the side edge 18c on the side closer to the fold line 24 becomes a locking edge 64a.
[0044] Next, an example of the assembly method for the packaging body 74 of this embodiment will be described. The order of gluing and folding is the same as in the above embodiment, and the packaging body 74 in a folded state by the packaging body forming piece 76 is shipped to the factory that packages the contents 70, which are the goods. At the factory that stores and packages the contents 70, the fold lines 22 and 24 are brought closer together, and the back 14 and front 16 are bent outward so that they separate from each other, forming a cylindrical side wall. At this time, the bottom 72 is formed with a single touch at one opening of the cylinder, resulting in the state shown in Figure 6(a), and the assembly of the packaging body 74 is completed.
[0045] Next, the locking piece 84 is folded along the crease line 86 and allowed to hang down along the back of the front surface 16 towards the bottom 72. The contents 70 are placed into the packaging body 74 from the upper opening opposite the bottom 72 of the cylindrical body, while holding down the locking piece 84. Here, the contents 70 are cosmetics or the like in a jar container consisting of a low cylindrical body with an opening at the top and a lid that closes the opening at the top. The end 84a of the locking piece 84 is then inserted between the body and lid of the contents 70 and locked in place, preventing it from being removed. As shown in Figure 6(b), the contents 70 are locked in place so that they cannot be removed, and the packaging of the contents 70 is completed. The sign section 78 has both ends cut off from the front surface 16 by the cutting lines 82, so it is almost flat and protrudes higher than the top surface of the contents 70, displaying the printed section 53.
[0046] When displaying the packaging 74 in a store, place it on a shelf or the like with the front 16 facing the consumer. Multiple identical packaging 74 may be stacked for display. When stacking, similar to the above embodiment, the positioning protrusions 38, 62 of the lower packaging 74 are aligned with the notches 40, 64 of the upper packaging 10 and inserted. At this time, the sign portions 78 also overlap each other, and the three points of the sign portion 78 and the positioning protrusions 38, 62 are located at approximately equal intervals on the circumference of the side wall, resulting in even locking and stability.
[0047] When opening the packaging 74, similar to the embodiment described above, hold the end of the cut-off section 36 that coincides with the end 14a and pull it outwards. When the pair of opening break lines 34 are cut to the end 14c, the inner bottom 42 detaches from the back surface 14 along with the cut-off section 36. As a result, the bottom 72 detaches, and the packaging 74 unfolds into a flat packaging-forming piece 76, allowing the contents 70 to be removed.
[0048] The packaging body 74 of this embodiment provides the same effects as the above embodiment. Furthermore, since both ends of the sign portion 78 are cut away from the front surface 16 by the cutting lines 82, it can be displayed in a nearly flat state even if the front surface 16 is bent into a cylindrical shape. The locking piece 84 that locks the contents 70 is small and is hidden on the back surface of the front surface 16, so it is not conspicuous and has a good appearance.
[0049] This invention is not limited to the above-described embodiments, and the size, shape, and number of the sign portion can be freely designed. The size and shape of the locking piece may also be different from those described above, as long as it securely locks the contents without detracting from the appearance. The shape, number, and position of the positioning projection and the notch into which the positioning projection is inserted can also be changed as appropriate. The bottom structure does not have to be one-touch assembly. The shape and position of the cut-out portion may also be different from those described above, as long as it is easy to cut, such as a zipper line, perforation line, or half-cut line. Each fold line may have a break line to facilitate folding. The contents can be various items, such as cosmetics in containers, cylindrical products, and the outer shape may be cylindrical or polygonal. [Explanation of Symbols]
[0050] 10,74 Packaging 12,76 Package forming piece 14 Back 16 Front 18 Glued strip 22, 24, 32, 44, 48, 56, 86 Fold lines 26,84 lock fragments 28 fold line 30 locking pieces 34 Breakable wire for opening 36 Cutout 38,62 Positioning protrusions 40, 41, 64 Notches 42 Inner bottom 46 Locking protrusions 50 cutting line 52,78 Signboard Department 53 Printing Department 54 Outer bottom 70 Containment 72 Bottom 84a end
Claims
1. In a packaging body consisting of a single piece of paper forming the packaging body and having side walls assembled into a cylindrical shape, One opening of the cylindrical body of the side wall is provided with a bottom, and the other opening is provided with a sign portion protruding upward from the cylindrical body, a positioning projection protruding upward from the cylindrical body, and a locking piece that engages with a part of the contents. A notch is formed on the bottom side of the side wall into which the positioning projection of the packaging body of the same shape can be inserted from below. The packaging-forming piece is provided with a back surface and a front surface that form the side wall, and an adhesive piece that is connected to the side edge of the front surface and glued to the back surface, all connected to each other. The front surface is provided with a sign, and the sign is provided with a printing section on which information regarding the contents is printed. The front or back surface is provided with a locking projection that is separated from the front or back surface by a fold line having a cutting line. A packaging body characterized in that, on the other front or back side where the locking projection is not provided, the locking piece is provided separated by a folding curve, the locking piece is an elongated strip, its length in the longitudinal direction is approximately the same as the diameter of the cylindrical body when the side walls are assembled into a cylindrical body, and the end of the locking piece is provided with a locking piece that is inserted into the cutting line of the locking projection to lock when the locking piece is folded at approximately a right angle along the folding line.
2. A packaging body for packaging contents, consisting of a single piece of paper forming the packaging body, a cylindrical body with a bottom that opens upwards and has side walls assembled into a cylindrical shape, and a lid that closes the opening of the body, The side wall is cylindrical, with an opening at the top, and the contents are placed inside the side wall without rattling. One opening of the cylindrical body of the side wall is provided with a bottom, and the other opening is provided with a sign portion that protrudes above the opening of the body, a positioning projection that protrudes above the body, and a locking piece that engages with a part of the contents. A notch is formed on the bottom side of the side wall into which the positioning projection of the packaging body of the same shape can be inserted from below. The packaging-forming piece is provided with a back surface and a front surface that form the side wall, and an adhesive piece that is connected to the side edge of the front surface and glued to the back surface, all connected to each other. The front surface is provided with a sign, and the sign is provided with a printing section on which information regarding the contents is printed. The packaging is characterized in that the locking piece is provided on the front or back surface separated by a crease, the locking piece hangs down towards the bottom along the crease along the back surface of the front or back surface, and when the contents are placed inside with the locking piece pressed against it, the locking piece is positioned between the back surface of the front or back surface and the contents and in contact with the contents, and the end of the locking piece is locked between the body of the contents and the lid.
3. An outer bottom portion is provided at the bottom-side end of either the front or back surface, separated by a fold line, and an inner bottom portion is provided at the bottom-side end of the other front or back surface where the outer bottom portion is not provided, separated by a fold line, which is glued to the back surface of the outer bottom portion. The packaging according to claim 1 or 2, wherein the back and front are folded together, the adhesive piece is glued to the back, the outer bottom and the inner bottom are glued together, and the back and front are bent outward so as to separate from each other to form a cylindrical side wall, thereby the outer bottom and the inner bottom are automatically raised, and the bottom is formed with a single touch.
4. The packaging body according to claim 3, wherein the back surface is provided with a cut-off section surrounded by a pair of opening break lines, and the cut-off section is continuous with the inner bottom.