Packaging and packaged products

Abstract

To provide a packaging body and a packaged product that can be easily opened.SOLUTION: According to one aspect, there is provided a synthetic resin packaging body which includes a front surface part, a back surface part, a first side surface part, a second side surface part, a bottom surface part and a top surface part and stores a plurality of absorbent articles therein. The top surface part of the packaging body has a break line that is easier to break than other parts of the top surface part. The break line includes: a first break line extending in the front-back direction intersecting the front surface part and the back surface part; a second break line connected to one end of the first break line and extending in the right-left direction intersecting the first side surface part and the second side surface part; and a third break line connected to the other end of the first break line and extending in the right-left direction. The length of at least one of the second and third break lines is 60% or more and 90% or less of the width of the front surface part in the right-left direction.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to packaging and packaged products. [Background technology]

[0002] Generally, absorbent articles such as disposable diapers are distributed and sold in synthetic resin packaging. These types of packaging may have tear lines such as perforations to facilitate opening. For example, Patent Document 1 describes a packaging having a front surface, a back surface, a first side surface, a second side surface, a top surface, and a bottom surface, and containing a stack of folded disposable diapers. This packaging has a first perforation extending from the first side surface along the front surface, a second perforation extending from the first side surface along the back surface, and a stress-dispersing region in the first side surface between the first and second perforations, where no perforations are formed. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] US Patent Application Publication No. 2020 / 0163813 Summary of the Invention [Problem to be solved by the invention]

[0004] In the above-described package, as the folded absorbent articles unfold inside the package, a force acts on the package to push it outward. This force stretches the front, back, first side, and second side of the package, reducing slack. Therefore, when perforations are formed on the front, back, and first side of the package, as in the above-described package, users may find it difficult to grasp the package near the perforations and open it.

[0005] Therefore, an object of the present disclosure is to provide a package and a packaged product that can be easily opened. [Means for solving the problem]

[0006] In one aspect, a synthetic resin packaging body is provided, which includes a front surface, a back surface, a first side surface, a second side surface, a bottom surface, and a top surface, and which stores a plurality of absorbent articles therein. The top surface of this packaging body has a break line formed therein that is more easily broken than other parts of the top surface, and the break line includes a first break line extending in the front-to-rear direction and intersecting the front surface and the back surface, a second break line connected to one end of the first break line and extending in the left-to-right direction and intersecting the first side surface and the second side surface, and a third break line connected to the other end of the first break line and extending in the left-to-right direction, and the length of at least one of the second break line and the third break line is 60% or more and 90% or less of the width of the front surface in the left-to-right direction.

[0007] In the package according to the above aspect, a break line is formed on the top surface. Because the force of spreading of the absorbent articles is less likely to act on the top surface than on the front surface, back surface, first side surface, and second side surface, the top surface is more likely to sag. Therefore, a user can easily open the package by pinching the top surface and tearing it along the break line. In this case, in the package according to this aspect, the length of at least one of the second break line and the third break line is 60% or more and 90% or less of the width of the front surface in the width direction, so that a relatively wide opening can be formed in the package, thereby making it easy to remove the absorbent articles from the opened package. Furthermore, by opening the package along the first break line, second break line, and third break line, a portion of the top surface can be used as a lid. Covering the opening with this lid prevents foreign objects from entering the package after opening, allowing for hygienic storage of absorbent articles.

[0008] In one embodiment, the length of at least one of the second and third break lines may be 60% to 70% of the width of the front portion in the left-right direction. By making the length of the second or third break line 60% to 70% of the width of the front portion, it becomes possible to easily remove the absorbent article from the opened package while maintaining the strength of the package.

[0009] In one aspect, the top surface portion includes a first top surface portion connected to the first side surface portion, a second top surface portion connected to the front surface portion, a third top surface portion connected to the back surface portion, and a fourth top surface portion connected to the second side surface portion, and the first break line may be formed in the first top surface portion, the second break line may be formed in the second top surface portion, and the third break line may be formed in the third top surface portion. By opening the package along the break line formed continuously in the first top surface portion, the second top surface portion, and the third top surface portion, an opening is formed in the top of the package, and the absorbent article can be removed from the opening.

[0010] In one aspect, the first top surface portion includes a fused region that is folded inward in the left-right direction and fused to the second and third top surface portions, and a non-fused region that is not fused to the second and third top surface portions, and the first break line may be formed in the non-fused region of the first top surface portion. Note that the first break line may be formed in a position closer to the boundary line between the first side surface portion and the first top surface portion than the fused region of the first top surface portion. In this aspect, by manually pinching and pulling up the folded portion of the first top surface portion, a force acts on the first break line, making it easy to open the package starting from the first break line.

[0011] In one embodiment, the first break line and the second break line may be formed at positions where they do not overlap each other when viewed from the front-to-rear direction. In this embodiment, it is possible to prevent the package from being unintentionally opened when the package is being carried.

[0012] In one embodiment, the device may further have a mark indicating the position of the first break line, and the mark may be located closer to the bottom surface than the first break line. In this embodiment, the mark is formed closer to the bottom surface than the first break line, making it easier to recognize the mark, and therefore making it easier to recognize the position of the first break line.

[0013] In one aspect, the top surface may have a handle formed thereon, and the ends of the second and third break lines may be located between a pair of left-right edges of the handle. In this aspect, when the handle is gripped to lift the package, the force acting on the handle is less likely to be transmitted to the ends of the second and third break lines. This prevents the package from being unintentionally opened when being carried.

[0014] In one aspect, the top surface has a handle formed thereon, and the ends of the second and third break lines may extend beyond the left-right edges of the handle to the second side surface. In this aspect, when the handle is pulled up, force is easily transmitted to the ends of the second and third break lines, so that the package can be opened with little force starting from the edges of the second and third break lines.

[0015] The packaging body according to one embodiment may be made of a material having a bending resistance of 100 mm or less. By making the bending resistance of the packaging body 100 mm or less, the lid portion formed by opening the packaging body along the first break line, the second break line, and the third break line can be flexibly deformed, making it easy to open and close the lid portion.

[0016] In one embodiment, the first break line, the second break line, and the third break line are perforations including a cut portion and a non-cut portion, and the ratio of the length of the cut portion of the first break line to the length of the non-cut portion may be greater than the ratio of the length of the cut portion of the second break line and the third break line to the length of the non-cut portion of the first break line. By increasing the ratio of the length of the cut portion of the first break line to the length of the non-cut portion, the first break line becomes easier to break, making it possible to easily open the package starting from the first break line.

[0017] In one embodiment, the first break line, the second break line, and the third break line are perforations, and a burr caused by the formation of the perforations is formed on the top surface portion, and the burr may protrude from the inner surface side of the top surface portion toward the outer surface side. In this embodiment, since the burr protrudes from the outer surface side of the top surface portion, it is possible to recognize the position of the break line by the feel of the burr, making it easier to find the break line.

[0018] A packaged product according to one embodiment comprises a plurality of absorbent articles and a synthetic resin packaging body that includes a front portion, a back portion, a first side portion, a second side portion, a bottom portion, and a top portion and stores the plurality of absorbent articles therein. In the vertical direction intersecting the bottom portion and the top portion, a break line that is more easily broken than other parts of the packaging body is formed at a position closer to the top portion than the top of the plurality of absorbent articles. The break line includes a first break line that extends in the front-to-back direction intersecting the front portion and the back portion, a second break line that extends in the left-to-right direction from one end of the first break line intersecting the first side portion and the second side portion, and a third break line that extends in the left-to-right direction from the other end of the first break line. The length of at least one of the second break line and the third break line is 60% or more and 90% or less of the width of the front portion in the left-to-right direction.

[0019] In the package product according to the above aspect, a break line is formed on the top surface of the package. Because the force of spreading of the multiple absorbent articles is less likely to act on the top surface than on the front surface, back surface, first side surface, and second side surface, the top surface is more likely to sag. Therefore, a user can easily open the package by pinching the top surface and tearing it starting from the break line. The absorbent article can then be removed from the opening formed by opening the package along the break line. In this case, in the package product according to this aspect, the length of one of the second break line and the third break line is 60% or more and 90% or less of the width of the front surface in the width direction, so that a relatively wide opening can be formed, thereby making it easy to remove the absorbent article from the opened package. Furthermore, by opening the package along the first break line, second break line, and third break line, a portion of the top surface can be used as a lid. Covering the opening with this lid prevents foreign objects from entering the package after opening, allowing the absorbent article to be stored hygienically.

[0020] In one aspect, each of the plurality of absorbent articles has a longitudinally elongated absorbent core, and the absorbent core has a reduced-rigidity portion extending in the longitudinal direction of the absorbent core and having a reduced rigidity compared to other portions of the absorbent core, and the plurality of absorbent articles may be placed in the package in a folded state with the short side of the absorbent core facing the left-right direction of the package. As described above, by forming a reduced-rigidity portion in the absorbent core of each absorbent article, the flexibility of the absorbent article in the width direction is improved. Therefore, the absorbent article can be easily removed in a folded state from the opening of the package. [Effects of the Invention]

[0021] According to various aspects of the present invention, an easy-to-open package and packaged product are provided. [Brief explanation of the drawings]

[0022] [Figure 1]1 is a perspective view schematically illustrating a packaged product according to one embodiment. [Figure 2] FIG. 2 is a front view of the packaged product shown in FIG. [Figure 3] FIG. 2 is a left side view of the packaged product shown in FIG. [Figure 4] FIG. 1 is a plan view showing an example of an absorbent article. [Figure 5] FIG. 2 is a schematic development view of the packaging body. [Figure 6] FIG. 4 is a diagram schematically illustrating a break line formed on the packaging body. [Figure 7] 1A to 1C are diagrams illustrating an example of a method for manufacturing a package. [Figure 8] 10A to 10C are diagrams showing a procedure for opening the package. [Figure 9] 10A to 10C are diagrams showing a procedure for opening the package. [Figure 10] 10A to 10C are diagrams showing a procedure for opening the package. [Figure 11] FIG. 10 is a perspective view schematically illustrating a packaged product according to another embodiment. [Figure 12] FIG. 12 is a left side view of the packaged product shown in FIG. DETAILED DESCRIPTION OF THE INVENTION

[0023] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. In the following description, the same or equivalent elements will be denoted by the same reference numerals, and redundant explanations will not be repeated. The drawings may be partially simplified or exaggerated for ease of understanding, and the dimensional proportions are not limited to those shown in the drawings.

[0024] A package product according to one embodiment will now be described. Fig. 1 is a perspective view of a package product 1 according to one embodiment. Fig. 2 is a front view of the package product 1, and Fig. 3 is a left side view of the package product 1. For ease of explanation, the drawings show a left-right direction X, a front-back direction Y, and a top-down direction Z, which are perpendicular to one another. The left-right direction X is a direction that intersects (is perpendicular to) the left and right side portions 13 and 14 of a package 3, which will be described later, and the front-back direction Y is a direction that intersects (is perpendicular to) the front and back portions 11 and 12 of the package 3. The top-down direction Z is a direction that is perpendicular to the left-right direction X and the front-back direction Y, and intersects the bottom and top surface portions 15 and 16.

[0025] The packaged product 1 includes a plurality of absorbent articles 2 and a packaging body 3. As shown in Figs. 2 and 3, the plurality of absorbent articles 2 are housed in the packaging body 3. The absorbent articles 2 are articles having an absorbent body that absorbs bodily fluids such as urine, blood, and sweat. Examples of the absorbent articles 2 include diapers, toilet training pants, incontinence pads, sanitary napkins, and pet sheets. Examples of the diapers include pants-type and tape-type disposable diapers.

[0026] FIG. 4 is a plan view showing a tape-type disposable diaper used as an example of the absorbent article 2. FIG. 4 shows the absorbent article 2 in a state where it has been stretched to a state where no wrinkles are formed. The absorbent article 2 shown in FIG. 4 is a disposable diaper for adults. The absorbent article 2 may also be a disposable diaper for children or a disposable diaper for pets. As shown in FIG. 4, the absorbent article 2 extends in a lateral direction W that is aligned with the waist direction of the wearer, and in a longitudinal direction L that is perpendicular to the lateral direction W. The longitudinal direction L is a direction that connects the ventral side to the dorsal side of the wearer when worn.

[0027] As shown in FIG. 4, the absorbent article 2 includes a main body portion 100, a pair of fastening tabs 120, and a target tape portion 130. The main body portion 100 is for absorbing body waste and includes a top sheet 110, a back sheet 112, and an absorbent core 113. The top sheet 110 is disposed on the front side of the absorbent article 2 and forms the surface that comes into contact with the wearer's skin. The top sheet 110 is liquid permeable, allowing bodily fluids to pass through to the absorbent core 113. The top sheet 110 includes a center sheet 110a located in the center in the lateral direction W, and side sheets 110b that cover both sides of the center sheet 110a in the lateral direction W.

[0028] The side sheet 110b is provided with a pair of elastic members 115, 116 extending in the longitudinal direction L. The pair of elastic members 115 are arranged on both sides of the main body portion 100 in the lateral direction W while stretched in the longitudinal direction L. When the pair of elastic members 115 contract in the longitudinal direction L, the side edges of the main body portion 100 in the lateral direction W fit closely around the wearer's legs, improving the fit of the absorbent article 2. The pair of elastic members 116 are provided inward of the pair of elastic members 115 in the lateral direction W. The pair of elastic members 116 are connected to the side sheet 110b of the main body portion 100 while stretched in the longitudinal direction L. When the absorbent article 2 is worn, the pair of elastic members 116 contract in the longitudinal direction L, causing a portion of the side sheet 110b to rise toward the wearer, thereby forming a pair of leakage-proof cuffs. The formation of the pair of leakage-proof cuffs prevents body waste from leaking along the surface of the topsheet 110.

[0029] The pair of fastening tabs 120 are arranged near the ventral edge of the main body portion 100 in the longitudinal direction L and extend outward in the lateral direction W. Each of the pair of fastening tabs 120 includes a joining portion 122 made of a mechanical fastener or the like, and the joining portion 122 is configured to be joinable to the target tape portion 130. The target tape portion 130 is formed on the back side of the main body portion 100, near the dorsal edge of the main body portion 100 in the longitudinal direction L. The absorbent article 2 is put on by a wearer by connecting the pair of fastening tabs 120 to the target tape portion 130.

[0030] The absorbent core 113 is disposed between the top sheet 110 and the back sheet 112. The absorbent core 113 contains, for example, pulverized pulp and a polymeric absorbent (SAP), and absorbs urine from the wearer. The upper and lower surfaces of the absorbent core 113 may be covered with a core wrap. The absorbent core 113 is disposed at the center of the main body portion 100 in the lateral direction W. The length of the absorbent core 113 in the longitudinal direction L is longer than the width of the absorbent core 113 in the lateral direction W. In other words, the absorbent core 113 has an elongated shape with the longitudinal direction being the longitudinal direction and the lateral direction W being the short side.

[0031] The absorbent core 113 is formed with a plurality of reduced-rigidity portions 131 extending in the longitudinal direction of the absorbent core 113. The reduced-rigidity portions 131 are, for example, slits or grooves formed in the absorbent core 113, and have lower rigidity than other portions of the absorbent core 113. The plurality of reduced-rigidity portions 131 are formed near the center of the lateral direction W of the main body portion 100. Note that the main body portion 100 may be formed with only one absorbent core 113 extending continuously in the longitudinal direction L near the center of the lateral direction W of the main body portion 100. By forming the reduced-rigidity portions 131 extending in the longitudinal direction L in the absorbent core 113, the rigidity of the center of the lateral direction W of the absorbent core 113 is reduced, and as a result, the flexibility of the main body portion 100 in the lateral direction W is improved.

[0032] 2 and 3, a plurality of absorbent articles 2 are stored in a folded state inside the packaging body 3. For example, the absorbent articles 2 are stored in the packaging body 3 with the side sheets 110b folded inward in the horizontal direction W and then folded in thirds in the vertical direction L. The width of the absorbent articles 2 folded in this manner in the horizontal direction W approximately matches the width of the front and back portions 11 and 12 of the packaging body 3 in the left-right direction X, and the length of the folded absorbent articles 2 in the vertical direction L approximately matches the height of the front and back portions 11 and 12 of the packaging body 3 in the up-down direction Z. The plurality of absorbent articles 2 folded in this manner are stacked in the front-to-back direction Y in a folded state so that the horizontal direction W, i.e., the short side direction of the absorbent core 113, faces the left-to-right direction X of the packaging body 3, and are then stored in the packaging body 3.

[0033] The packaging body 3 stores a plurality of absorbent articles 2. As shown in FIG. 1 , the packaging body 3 includes a front portion 11, a back portion 12, a left portion (first side portion) 13, a right portion (second side portion) 14, a bottom portion 15, and a top portion 16. The packaging body 3 has a substantially rectangular parallelepiped shape and defines a space for storing a plurality of absorbent articles 2. The front portion 11, the back portion 12, the left portion 13, the right portion 14, the bottom portion 15, and the top portion 16 of the packaging body 3 are made of sheet members made of synthetic resin such as polyethylene, polypropylene, or polyethylene terephthalate. In one embodiment, the packaging body 3 may be made of a sheet material having a bending resistance of 100 mm or less when measured in accordance with JIS L1096:2010 Method A (45° cantilever method).

[0034] Since the packaging body 3 is made of a material that is easily deformed, when multiple absorbent articles 2 are stored inside the packaging body 3, the packaging body 3 may not strictly have a rectangular parallelepiped shape. For example, a force that pushes outward from the multiple absorbent articles 2 acts on the front surface 11, back surface 12, left surface 13, and right surface 14 of the packaging body 3, and some or all of the surfaces of the packaging body 3 may be curved or uneven.

[0035] The front surface 11 and the back surface 12 of the packaging body 3 face each other in the front-to-back direction Y of the packaging body 3, and the left surface 13 and the right surface 14 face each other in the left-to-right direction X of the packaging body 3. The bottom surface 15 is connected to the front surface 11, the back surface 12, the left surface 13, and the right surface 14 on the bottom side of the packaging body 3 and closes the bottom of the packaging body 3. The top surface 16 is connected to the front surface 11, the back surface 12, the left surface 13, and the right surface 14 on the top side of the packaging body 3 and closes the top of the packaging body 3. In the following description, the front surface 11 of the packaging body 3 may be referred to as the front side, the back surface 12 side of the packaging body 3 as the rear side, the left surface 13 side of the packaging body 3 as the left side, the right surface 14 side of the packaging body 3 as the right side, the lower side of the bottom surface 15 of the packaging body 3, and the upper side of the top surface 16 of the packaging body 3. Furthermore, of the surfaces of the packaging body 3, the front surface 11, the back surface 12, the left surface 13, and the right surface 14 may be collectively referred to as side surfaces 10 (see FIG. 5).

[0036] A break line 22 that is more easily broken than other parts of the top surface 16 is formed on the top surface 16 of the package 3. Therefore, the break line 22 is formed above the uppermost part 2a of the multiple absorbent articles 2 stored in the package 3 (see FIGS. 2 and 3). The break line 22 includes a first break line 23 extending in the front-rear direction Y, a second break line 24 extending in the left-right direction X from one end of the first break line 23, and a third break line 25 extending in the left-right direction X from the other end of the first break line 23. Details of the break line 22 will be described later.

[0037] Fig. 5 is a development view of the packaging body 3 cut along the boundary line between the back surface 12 and the right surface 14. As shown in Fig. 5, the front surface 11, the back surface 12, the left surface 13, the right surface 14, the bottom surface 15, and the top surface 16 of the packaging body 3 each have a rectangular shape.

[0038] As shown in FIG. 5 , the bottom surface portion 15 includes a first bottom surface portion 31, a second bottom surface portion 32, a third bottom surface portion 33, and a fourth bottom surface portion 34. Each of the first bottom surface portion 31, the second bottom surface portion 32, the third bottom surface portion 33, and the fourth bottom surface portion 34 has a rectangular shape. The first bottom surface portion 31 is connected to the left surface portion 13, and the second bottom surface portion 32 is connected to the front surface portion 11. The third bottom surface portion 33 is connected to the rear surface portion 12, and the fourth bottom surface portion 34 is connected to the right surface portion 14. The first bottom surface portion 31, the second bottom surface portion 32, the third bottom surface portion 33, and the fourth bottom surface portion 34 are fused and joined to each other at a fused portion M1. The fused portion M1 is a strip-shaped region extending in a direction parallel to the boundary between the side surface portion 10 and the bottom surface portion 15.

[0039] The top surface portion 16 includes a first top surface portion 41, a second top surface portion 42, a third top surface portion 43, and a fourth top surface portion 44. Each of the first top surface portion 41, the second top surface portion 42, the third top surface portion 43, and the fourth top surface portion 44 has a rectangular shape. The first top surface portion 41 is continuous with the left surface portion 13 in the vertical direction Z, and the second top surface portion 42 is continuous with the front surface portion 11 in the vertical direction Z. The third top surface portion 43 is continuous with the rear surface portion 12 in the vertical direction Z, and the fourth top surface portion 44 is continuous with the right surface portion 14 in the vertical direction Z. In other words, the first top surface portion 41 is connected to the left surface portion 13, the second top surface portion 42 is connected to the front surface portion 11, the third top surface portion 43 is connected to the rear surface portion 12, and the fourth top surface portion 44 is connected to the right surface portion 14. The first top surface portion 41, the second top surface portion 42, the third top surface portion 43, and the fourth top surface portion 44 are fused and joined to one another along fused portions M2 and M3. The fused portions M2 and M3 are strip-shaped regions extending in a direction parallel to the boundary line between the side surface portion 10 and the top surface portion 16. The fused portions M2 and M3 extend in the left-right direction X when viewed from the front-rear direction Y. The fused portions M2 and M3 are parallel to one another, and the fused portion M3 is formed closer to the bottom surface portion 15 than the fused portion M2.

[0040] As shown in FIGS. 1 and 5 , the top surface portion 16 has a fused region 18 and a non-fused region 20. The fused region 18 is a region where the first top surface portion 41, the second top surface portion 42, the third top surface portion 43, and the fourth top surface portion 44 are joined together, and is a strip-shaped region including the fused portions M2 and M3 of the top surface portion 16. The fused region 18 is formed in a strip-like shape extending in the left-right direction X at the upper part of the top surface portion 16. Therefore, as shown in FIG. 5 , the fused region 18 is formed so as to traverse the first top surface portion 41, the second top surface portion 42, the third top surface portion 43, and the fourth top surface portion 44. On the other hand, the non-fused region 20 is a region where the first top surface portion 41, the second top surface portion 42, the third top surface portion 43, and the fourth top surface portion 44 are not joined together. The non-fused region 20 is formed closer to the bottom surface portion 15 than the fused region 18. Therefore, each of the first top surface portion 41, the second top surface portion 42, the third top surface portion 43, and the fourth top surface portion 44 partially includes the fused region 18 and the non-fused region 20.

[0041] 1 , the first top surface portion 41 and the fourth top surface portion 44 are fused to the second top surface portion 42 and the third top surface portion 43 in a state in which they are folded inward in the left-right direction X of the packaging body 3 in a valley fold at the fused region 18. Therefore, the second top surface portion 42 and the third top surface portion 43 are fused to each other in the center of the left-right direction X of the packaging body 3. Furthermore, on the left side of the packaging body 3 in the left-right direction X, the first top surface portion 41 is fused to the second top surface portion 42 and the third top surface portion 43 in a valley fold, and on the right side of the packaging body 3 in the left-right direction X, the fourth top surface portion 44 is fused to the second top surface portion 42 and the third top surface portion 43 in a valley fold. 1, by fusing the first top surface portion 41 and the fourth top surface portion 44 in this manner, the non-fused regions 20 of the first top surface portion 41 and the fourth top surface portion 44 are folded inward in the left-right direction X. Therefore, when the package 3 is viewed from above, the non-fused regions 20 of the first top surface portion 41 and the fourth top surface portion 44 are hidden by the second top surface portion 42 and the third top surface portion 43 and cannot be seen.

[0042] A handle portion 19 serving as a handle for the packaged product 1 is formed in the fused region 18 of the top surface 16. The handle portion 19 is formed by cutting a substantially inverted U-shaped cut in the fused region 18 near the center in the left-right direction X. This cut forms a segment 19a whose lower end connects to the top surface 16, and by folding this segment 19a back in the front-rear direction Y, a substantially elliptical opening is formed in the fused region 18. The handle portion 19 is an edge portion of the fused region 18 on the side of the substantially elliptical opening. A user can insert their hand into the opening formed in the fused region 18 and grasp the handle portion 19 to lift the packaged product 1. Note that the fused region 18 may not have the cut portion 19a, and the opening may be formed by cutting out a ring-shaped portion of the fused region 18. Even in this case, the packaged product 1 can be carried by inserting their hand into the opening.

[0043] A break line 22 is formed in the non-fused region 20 of the top surface 16. The break line 22 is a portion that is more easily broken than other portions of the top surface 16, and is, for example, a perforation including a cut portion and a non-cut portion. The break line 22 includes a first break line 23, a second break line 24, and a third break line 25. The first break line 23 is formed in the first top surface 41 and extends in the front-to-rear direction Y. More specifically, the first break line 23 extends linearly across the first top surface 41 between a boundary line BL1 between the first top surface 41 and the second top surface 42 and a boundary line BL2 between the first top surface 41 and the third top surface 43. The first break line 23 extends parallel to a boundary line BL3 between the first top surface portion 41 and the left surface portion 13, and is formed at a position closer to the boundary line BL3 than the fused region 18 (fused portion M3).

[0044] The second break line 24 is formed on the second top surface portion 42 and extends in the left-right direction X. The second break line 24 is connected to one end of the first break line 23 and extends linearly in the left-right direction X of the package 3. More specifically, one end of the second break line 24 is connected to one end of the first break line 23 on the boundary line BL1, and the other end of the second break line 24 is located in front of the boundary line BL4 between the second top surface portion 42 and the fourth top surface portion 44 (on the boundary line BL1 side of the boundary line BL4). As shown in FIG. 5 , the length L1 of the second break line 24 is 60% to 90% of the width W1 of the front surface portion 11 in the left-right direction X. In one embodiment, the length L1 of the second break line 24 may be 60% to 70% of the width W1 of the front surface portion 11 in the left-right direction X. That is, no break line is formed in the right region of the second top surface portion 42 (the region between the other end of the second break line 24 and the boundary line BL4).

[0045] The third break line 25 is formed on the third top surface portion 43 and extends in the left-right direction X. The third break line 25 extends linearly in the left-right direction X of the package 3 from the other end of the first break line 23. More specifically, one end of the third break line 25 is connected to the other end of the first break line 23 on the boundary line BL2, and the other end of the third break line 25 is located in front of the boundary line BL5 between the third top surface portion 43 and the fourth top surface portion 44 (on the boundary line BL2 side of the boundary line BL5). The length L2 of the third break line 25 is 60% to 90% of the width W2 of the back surface portion 12 in the left-right direction X. In one embodiment, the length L2 of the third break line 25 may be 60% to 70% of the width W2 of the back surface portion 12 in the left-right direction X. That is, no break line is formed in the right region of the third top surface portion 43 (the region between the other end of the third break line 25 and the boundary line BL5). Note that the length L2 of the third break line 25 and the width W2 of the back surface portion 12 may be the same as the length L1 of the second break line 24 and the width W1 of the front surface portion 11, respectively.

[0046] As described above, the first break line 23, the second break line 24, and the third break line 25 are continuously formed on the first top surface 41, the second top surface 42, and the third top surface 43. When the package 3 is viewed from above, the break line 22 is formed in a generally U-shape with the right side open. On the other hand, no break line 22 is formed on the fourth top surface 44. Note that if the first break line 23, the second break line 24, and the third break line 25 are perforations, burrs may be formed on the top surface 16 of the package 3 due to the formation of the perforations, and the burrs may protrude from the inner surface of the top surface 16 toward the outer surface. The presence of burrs at the positions where the first break line 23, the second break line 24, and the third break line 25 are formed makes it possible to easily find the positions of the break lines 22 by feeling the burrs.

[0047] In one embodiment, when the packaging body 3 is viewed in the front-rear direction Y, the first break line 23 and the second break line 24 may be formed in positions where they do not overlap each other, and the first break line 23 and the third break line 25 may be formed in positions where they do not overlap each other. For example, when the first top surface 41, the second top surface 42, the third top surface 43, and the fourth top surface 44 are fused together, the first top surface 41, the second top surface 42, the third top surface 43, and the fourth top surface 44 may be pulled, so that the first break line 23, the second break line 24, and the first break line 23, the third break line 25 may be positioned in different positions in the up-down direction Z.

[0048] In one embodiment, in the left-right direction X, the other ends of the second break line 24 and the third break line 25 may extend to the right side (toward the fourth top surface 44) beyond the edge 19b of the handle portion 19 on the fourth top surface 44 side. By having the other ends of the second break line 24 and the third break line 25 extend beyond the handle portion 19 to the fourth top surface 44 side, force is more easily transmitted to the other ends of the second break line 24 and the third break line 25 when the handle portion 19 is pulled up, and the second break line 24 and the third break line 25 can be broken with a small force.

[0049] In another embodiment, the other ends of the second break line 24 and the third break line 25 may be disposed between a pair of edges 19b, 19c of the handle portion 19 in the left-right direction X. By disposing the other ends of the second break line 24 and the third break line 25 between the pair of edges 19b, 19c, when the handle portion 19 is gripped and the packaged product 1 is lifted, the force acting on the handle portion 19 is less likely to be transmitted to the other ends of the second break line 24 and the third break line 25. This prevents the package 3 from being unintentionally opened when the packaged product 1 is being carried.

[0050] 1, the package 3 may be formed with an opening guidance mark (marker) 28 indicating the position of the first break line 23. The opening guidance mark 28 is printed closer to the bottom surface 15 than the first break line 23, for example, on the upper part of the left surface 13, and is designed to encourage the opening of the package 3 from the first break line 23. The opening guidance mark 28 may be a linguistic design including letters, or a non-linguistic design such as an arrow or a finger mark. As described above, since the non-fused region 20 of the first top surface 41 is folded inward in the left-right direction X, if the opening guidance mark 28 is formed above the first break line 23 (toward the fused region 18), the opening guidance mark 28 may be hidden by the second top surface 42 and the third top surface 43 and may be difficult to see. In contrast, by forming the opening guidance mark 28 closer to the bottom surface 15 than the first break line 23, the opening guidance mark 28 becomes easier to see, and therefore the position of the first break line 23 can be more easily recognized by the user.

[0051] FIG. 6 is a schematic diagram showing the break lines 22 formed on the package 3. As shown in FIG. 6, when the first break line 23, the second break line 24, and the third break line 25 are perforations, the cut ratio of the first break line 23 may be greater than the cut ratios of the second break line 24 and the third break line 25. The cut ratio indicates the ratio of the length of the cut portion 22c of the perforations to the length of the non-cut portion 22n. In other words, the higher the cut ratio, the longer the length of the cut portion 22c is relative to the non-cut portion 22n. The cut portion 22c is the portion of the perforations where a cut is made, and the non-cut portion 22n is the portion of the perforations where no cut is made.

[0052] 6, the length LC1 of the cut portion 22c of the first break line 23 is the same as the length LC2 of the cut portion 22c of the second break line 24 and the third break line 25, whereas the length LN1 of the non-cut portion 22n of the first break line 23 is shorter than the length LN2 of the non-cut portion 22n of the second break line 24 and the third break line 25. For example, the ratio of the length LC1 of the cut portion 22c of the first break line 23 to the length LN1 of the non-cut portion 22n of the first break line 23 is 2:3, and the ratio of the length LC2 of the cut portion 22c of the second break line 24 and the third break line 25 to the length LN2 of the non-cut portion 22n of the second break line 24 and the third break line 25 is 2:2.

[0053] As described above, by making the cut ratio of the first break line 23 larger than the cut ratios of the second break line 24 and the third break line 25, the first break line 23 can be broken with a small force. Therefore, the package 3 can be easily opened starting from the first break line 23. On the other hand, by making the cut ratios of the second break line 24 and the third break line 25 smaller than the cut ratio of the first break line 23, a relatively large force is required to break the second break line 24 and the third break line 25. This prevents the package 3 from being unintentionally opened starting from the second break line 24 or the third break line 25 when the handle portion 19 is grasped and the packaged product 1 is lifted.

[0054] Next, a method for manufacturing a package product 1 according to one embodiment will be described. Fig. 7 is a diagram schematically illustrating an example of a method for manufacturing a package product 1 according to one embodiment. Fig. 7 illustrates a method for manufacturing a package product having a gusset-type package manufactured by fusing the upper and lower parts of a cylindrical synthetic resin sheet. Note that the package 3 does not necessarily have to be a gusset-type package, and may be a winquette-type package manufactured by folding a flat synthetic resin sheet into a rectangular parallelepiped shape and fusing it.

[0055] First, to manufacture the packaged product 1, a package 3 for storing a plurality of absorbent articles 2 is formed. First, as shown in FIG. 7(a), a cylindrical synthetic resin sheet member 50 is conveyed in the conveying direction MD. Next, as shown in FIG. 7(b), both end portions of the sheet member 50 in the cross direction CD are folded inward in the cross direction CD with valley folds. By folding the sheet member 50 in this manner, a front surface portion 51, a back surface portion 52, a left surface portion 53, and a right surface portion 54 are formed in the sheet member 50. The left surface portion 53 and the right surface portion 54 are folded between the front surface portion 51 and the back surface portion 52 with valley folds. Therefore, in the central portion of the sheet member 50 in the cross direction CD, the front portion 51 and the back portion 52 overlap in the thickness direction, and in the left portion of the sheet member 50, the left side portion 53 folded in a valley fold overlaps in the thickness direction with the front portion 51 and the back portion 52, and in the right portion of the sheet member 50, the right side portion 54 folded in a valley fold overlaps in the thickness direction with the front portion 51 and the back portion 52.

[0056] Next, fracture lines 22 are formed on the top surface portions of the front surface 51, the back surface 52, and the left surface 53 of the sheet member 50. For example, perforations are formed in the sheet member 50 by passing the folded sheet member 50 between a pair of rolls having cutting blades. At this time, the perforations may be formed in the sheet member 50 by making cuts from the inner surface of the sheet member 50 to the outer surface. By manufacturing the package 3 by making cuts in this manner, burrs are formed on the top surface 16 of the package 3 due to the formation of the perforations. Because the burrs protrude from the inner surface of the top surface 16 to the outer surface, the position of the fracture lines 22 can be recognized by the feel (touch) of the burrs, making it possible to easily find the fracture lines 22.

[0057] As described above, a break line 22 extending along the cross direction CD is formed in the upper part of the folded sheet member 50. The formed break line 22 includes a first break line 23, a second break line 24, and a third break line 25. Thereafter, the bottom side portion of the formed sheet member 50 is sealed by heat sealing to form a bottom portion 15. Next, a plurality of absorbent articles 2 are packed into the sheet member 50 from the opening on the top side. For example, a plurality of absorbent articles 2 are stored in the sheet member 50 in a folded state such that the cross direction W of the absorbent articles 2 faces the cross direction CD of the sheet member 50 (i.e., the left-right direction X of the packaging body 3).

[0058] Next, as shown in Figure 7(c), the upper surface of the sheet member 50 is sealed by heat sealing to form the top surface portion 16. At this time, the first top surface portion 41 and the fourth top surface portion 44 of the top surface portion 16 are folded inward in the left-right direction X with valley folds and are fused to the second top surface portion 42 and the third top surface portion 43. At this time, an inverted U-shaped cut may be made in the upper part of the top surface portion 16 to form a handle portion 19.

[0059] In this way, a package 3 is formed, including a front surface 11, a back surface 12, a left surface 13, a right surface 14, a bottom surface 15, and a top surface 16. The front surface 11, the back surface 12, the left surface 13, and the right surface 14 correspond to the areas between the bottom surface 15 and the top surface 16 of the front surface 51, the back surface 52, the left surface 53, and the right surface 54 of the sheet member 50. In this way, the package product 1 is manufactured.

[0060] Next, a procedure for opening the packaged product 1 will be described with reference to Figures 8 to 10. Figures 8 to 10 are perspective views showing an example of a procedure for opening the packaged product 1. When opening the packaged product 1, the user pinches the upper and lower parts of the first break line 23 of the packaging body 3 with their fingers, as shown in Figure 8, and tears the first break line 23 to break the first top surface portion 41, as shown in Figure 9. At this time, the packaging body 3 is formed so that the cut ratio of the first break line 23 is greater than the cut ratios of the second break line 24 and the third break line 25, so that the first break line 23 can be broken with a relatively small force.

[0061] Next, when the user pinches the first top surface 41 with their fingers and pulls it upward, the second break line 24 and the third break line 25 connected to the first break line 23 are torn, and the second top surface 42 and the third top surface 43 are broken. Then, as shown in Fig. 10, the second top surface 42 and the third top surface 43 are broken up to the other ends of the second break line 24 and the third break line 25, and a part of the top surface 16 is turned up starting from the fold line 62 connecting the other ends of the second break line 24 and the third break line 25, and an opening 60 is formed in the top surface 16 of the package 3.

[0062] The absorbent article 2 is then removed from the opening 60 formed in the top surface 16. Here, the lengths of the second and third break lines 24 and 25 are between 60% and 90% of the width of the front and back portions 11 and 12 in the left-right direction X, and therefore the opening width of the opening 60 in the left-right direction X may be smaller than the width in the lateral direction W of the absorbent article 2 stored in the package 3. However, since a plurality of reduced-rigidity portions 131 are formed in the absorbent core 113 of the absorbent article 2, and the flexibility of the absorbent article 2 in the lateral direction W is increased, even if the opening width of the opening 60 is smaller than the width of the absorbent article 2, the absorbent article 2 can be easily removed from the opening 60 by folding it in the lateral direction W.

[0063] Furthermore, the portion of the top surface 16 that is turned up when the packaging body 3 is opened can be returned to its original position so as to cover the opening 60, thereby closing the opening 60. That is, the turned-up portion of the top surface 16 is used as a lid portion 64 that opens and closes the opening 60 of the packaging body 3. Covering the opening 60 with this lid portion 64 can prevent foreign matter from entering the inside of the packaging body 3 after it has been opened. Therefore, the absorbent article 2 can be stored hygienically.

[0064] The procedure for opening the packaged product 1 is not limited to the examples shown in Figures 8 to 10. For example, as shown in Figure 9, the package 3 may be pinched with fingers to tear the first breaking line 23, and then the handle 19 may be grasped to pull up the top surface 16, thereby breaking the top surface 16 along the second breaking line 24 and the third breaking line 25.

[0065] As described above, in the above-described embodiment, the package 3 has a break line 22 formed in the top surface 16. The force of spreading of the multiple absorbent articles 2 acts less on the top surface 16 than on the front surface 11, back surface 12, left surface 13, and right surface 14, and therefore slack is more likely to occur in the top surface 16. In particular, the non-fused region 20 of the first top surface 41 is folded inward in the left-right direction X, and therefore is less likely to be subjected to tension and is more likely to slacken. Therefore, a user can easily pinch the first top surface 41 near the first break line 23 and open the package 3 starting from the first break line 23.

[0066] The absorbent article 2 can then be removed from the opening 60 formed by opening the package 3 along the rupture line 22. In this case, since the length of at least one of the second rupture line 24 and the third rupture line 25 of the package 3 is set to be 60% or more and 90% or less of the width of the front surface 11 in the left-right direction X, it is possible to form an opening 60 with a relatively large width, and as a result, the absorbent article 2 can be easily removed from the opened package 3.

[0067] Next, a package product according to another embodiment will be described. Fig. 11 is a perspective view showing a modified example of the package product, and Fig. 12 is a left side view of the package product shown in Fig. 11. The package 3 of the package product 1A shown in Figs. 11 and 12 differs from the package 3 of the package product 1 shown in Fig. 1 in that break lines 22 are formed on the front surface 11, the back surface 12, and the left surface 13. In the following explanation, differences from the package product 1 described above will be mainly described, and overlapping explanations will be omitted.

[0068] 11, in the package 3A of the packaged product 1A, the first break line 23 of the break lines 22 is formed in the upper part of the left wall portion 13, the second break line 24 is formed in the upper part of the front wall portion 11, and the third break line 25 is formed in the upper part of the back wall portion 12. The first break line 23 extends in the front-to-back direction Y so as to cross the left wall portion 13. The second break line 24 is connected to one end of the first break line 23 and extends in the left-to-right direction X on the front wall portion 11. The third break line 25 is connected to the other end of the first break line 23 and extends in the left-to-right direction X on the back wall portion 12.

[0069] As shown in FIG. 12 , the first break line 23, the second break line 24, and the third break line 25 are formed on the left side 13, the front side 11, and the back side 12, respectively, at positions closer to the top surface 16 than the topmost portions 2a of the plurality of absorbent articles 2 contained in the package 3A. The force of spreading the plurality of absorbent articles 2 is less likely to act on the portions of the package 3A closer to the top surface 16 than the topmost portions 2a of the plurality of absorbent articles 2, and sagging is more likely to occur. Therefore, even with the package 3A, a user can easily open the package 3 by pinching the vicinity of the first break line 23 formed on the left side 13 with their fingers and tearing the first break line 23. By opening the package 3A along the first break line 23, the second break line 24, and the third break line 25, a portion of the package 3A can be used as a lid. Therefore, the absorbent articles 2 can be stored hygienically.

[0070] While various embodiments of the packaging body and packaged product have been described above, the present invention is not limited to the above-described embodiments and various modifications can be made without departing from the spirit of the invention. In other words, it should be noted that the above-described embodiments are for illustrative purposes only and do not limit the scope of the present invention.

[0071] For example, in Fig. 2, the multiple absorbent articles 2 are stored in the packaging body 3 in a folded state so that the lateral direction W of the multiple absorbent articles 2 faces the left-right direction X of the packaging body 3, but the direction in which the multiple absorbent articles 2 are stored is not limited to the direction shown in Fig. 2. For example, the multiple absorbent articles 2 may be stored in the packaging body 3 in a folded state so that the lateral direction W of the multiple absorbent articles 2 faces the front-rear direction Y of the packaging body 3. Furthermore, the multiple absorbent articles 2 may be stored in the packaging body 3 in a stacked state in the up-down direction Z.

[0072] The package 3 may also have another break line formed thereon that is not continuous with the break line 22. For example, a break line may be formed on the fourth top surface 44 that extends in the front-rear direction and is not connected to any of the first break line 23, the second break line 24, and the third break line 25. Furthermore, in the above embodiment, the first break line 23 is formed on the first top surface 41, but in one embodiment, the first break line 23 may be formed on the fourth top surface 44, the second break line 24 may extend in the left-right direction X from one end of the first break line 23 formed on the fourth top surface 44, and the third break line 25 may extend in the left-right direction X from the other end of the first break line 23 formed on the fourth top surface 44.

[0073] The various embodiments described above can be combined to the extent that no contradiction occurs. [Explanation of symbols]

[0074] 1,1A...packaged product, 2...absorbent article, 3,3A...packaging body, 11...front portion, 12...back portion, 13...left portion (first side portion), 14...right portion (second side portion), 15...bottom portion, 16...top portion, 18...fused region, 19...handle portion, 19b, 19c...edge, 20...non-fused region, 22...break line, 22c...cut portion, 22n...uncut portion, 23...first break line, 24...second break line, 25...third break line, 28...opening guidance mark (marker), 41...first top portion, 42...second top portion, 43...third top portion, 44...fourth top portion, 113...absorbent core, BL1,BL2,BL3,BL4,BL5...boundary line.

Claims

1. A synthetic resin packaging body including a front surface, a back surface, a first side surface, a second side surface, a bottom surface, and a top surface, and configured to store a plurality of absorbent articles therein, The top surface portion has a break line formed thereon that is more easily broken than other portions of the top surface portion, the break lines include a first break line extending in a front-rear direction intersecting the front surface portion and the rear surface portion, a second break line connected to one end of the first break line and extending in a left-right direction intersecting the first side surface portion and the second side surface portion, and a third break line connected to the other end of the first break line and extending in the left-right direction, a length of at least one of the second break line and the third break line is 60% or more and 90% or less of a width of the front surface portion in the left-right direction; the top surface portion includes a first top surface portion connected to the first side surface portion, a second top surface portion connected to the front surface portion, a third top surface portion connected to the rear surface portion, and a fourth top surface portion connected to the second side surface portion; the first break line is formed on the first top surface portion, the second break line is formed on the second top surface portion, the third break line is formed on the third top surface portion, the first top surface portion includes a fused region that is fused to the second top surface portion and the third top surface portion in a state where the first top surface portion is folded inward in the left-right direction, and a non-fused region that is not fused to the second top surface portion and the third top surface portion, the first break line is formed in the non-fused region of the first top surface portion, the first fracture line is formed at a position closer to a boundary line between the first side surface portion and the first top surface portion than the fused region of the first top surface portion; The first break line, the second break line, and the third break line are perforations including a cut portion and a non-cut portion, a ratio of the length of the cut portion of the first break line to the length of the non-cut portion is greater than a ratio of the length of the cut portion of the second break line and the third break line to the length of the non-cut portion; packaging.

2. The packaging body according to claim 1 , wherein the length of at least one of the second break line and the third break line is 60% or more and 70% or less of the width of the front surface portion in the left-right direction.

3. The packaging body according to claim 1 or 2, wherein the first break line and the second break line are formed at positions where they do not overlap each other when viewed from the front-rear direction.

4. Further, the device has a mark indicating the position of the first break line, The packaging body according to any one of claims 1 to 3, wherein the mark is arranged at a position closer to the bottom portion than the first break line.

5. A handle portion serving as a handle is formed on the top surface portion, The packaging body according to any one of claims 1 to 4, wherein the ends of the second break line and the third break line in the left-right direction are positioned between a pair of left-right edge portions of the handle portion.

6. A handle portion serving as a handle is formed on the top surface portion, A packaging body described in any one of claims 1 to 4, wherein the ends of the second break line and the third break line in the left-right direction extend beyond the left-right edge of the handle portion to the second side portion side.

7. The packaging body according to any one of claims 1 to 6, which is made of a material having a bending resistance of 100 mm or less.

8. the first break line, the second break line, and the third break line are perforations; A packaging body as described in any one of claims 1 to 7, wherein a burr is formed on the top surface portion due to the formation of the perforation, and the burr protrudes from the inner surface side of the top surface portion toward the outer surface side.

Images