Absorbent article packaging

The absorbent article package addresses the issue of perfume-induced adhesive weakening by incorporating a squeezing part with strategically placed adhesive regions, enhancing bonding strength and preventing topsheet peeling and liquid leakage.

JP3251326UActive Publication Date: 2025-05-19KAO CORP
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Patent Information

Application Number
JP2025000868U
Authority / Receiving Office
JP · JP
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2025-05-19
Estimated Expiration
2031-07-21

AI Technical Summary

Technical Problem

The use of perfumes in absorbent article packages can lead to a decrease in the bonding strength of adhesives, causing peeling of the topsheet, especially when the topsheet is made of water-retaining fibers with low heat fusibility.

Method used

The absorbent article package includes a perfuming portion and a squeezing part where the topsheet and absorbent body are squeezed, increasing the adhesive bonding strength. The squeezing part is designed with linear, intermediate, and end-side squeezing regions to effectively enhance bonding across the package.

Benefits of technology

This solution effectively suppresses peeling of the topsheet and accompanying liquid leakage even when a fragrance is used, ensuring reliable adhesion and preventing moisture issues.

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Abstract

Provided is an absorbent article package and an absorbent article that are capable of suppressing peeling of a top sheet mainly made of water-retentive fibers and the associated leakage of liquid, even when a fragrance is used. [Solution] An absorbent article package 10 comprises an absorbent article 1 and a packaging material 12. The absorbent article comprises a main body M having a top sheet 2 mainly containing water-retentive fibers, a back sheet and an absorbent body 4. The package further comprises a fragrance section in which a fragrance is arranged. The top sheet extends across a front region M1, a middle region M2 and a rear region M3 of the main body, and has an adhesive region 11 in which an adhesive is arranged on the non-skin-facing surface. The main body has a compressed section 16 arranged to overlap the adhesive region in a plan view. The compressed section has a pair of linear compressed sections 17, an intermediate compressed section 18 arranged between the pair of linear compressed sections in the middle region, and an end side compressed section 19 arranged at a distance from the linear compressed sections at least one of the rear and front sides in the longitudinal direction.
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Description

Technical Field

[0001] The present invention relates to a package of absorbent articles in which absorbent articles such as sanitary napkins are individually packaged, and to absorbent articles.

Background Art

[0002] In the package of absorbent articles such as sanitary napkins, a technique of attaching a fragrance to a predetermined area is known from the viewpoint of giving a relaxing feeling or changing the mood to the user by the fragrance. For example, Patent Document 1 discloses a technique of perfuming the inside of a folded sanitary napkin package from the viewpoint of reducing the volatilization of the fragrance before use. An example of perfuming a sheet material covering the wing adhesion part is disclosed in this document. For example, Patent Document 2 discloses a technique of arranging a fragrance arrangement area in a range that does not overlap with the wing adhesion part in a plan view of the packaged state from the viewpoint of suppressing a decrease in the adhesive force of the wing adhesion part due to the fragrance.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0004] On the one hand, as the topsheet constituting the skin-facing surface of the absorbent article, those using water-retaining fibers such as cotton fibers are known from the viewpoint of realizing high water absorption and moisture absorption due to water retention. Since many water-retaining fibers have low heat fusibility, the bonding between the topsheet and other members such as the absorbent body is often by an adhesive rather than heat fusion. When perfuming the package of an absorbent article having a topsheet mainly composed of water-retaining fibers, there is a concern that the perfume may reduce the bonding strength of the adhesive and cause peeling of the topsheet.

[0005] An object of the present invention relates to the provision of an absorbent article package and an absorbent article capable of suppressing the peeling of a topsheet mainly composed of water-retaining fibers and the accompanying liquid leakage even when a perfume is used.

Means for Solving the Problems

[0006] An absorbent article package according to one embodiment of the present invention includes an absorbent article and a packaging material, and has a longitudinal direction corresponding to the front-rear direction of the wearer of the absorbent article and a lateral direction orthogonal to the longitudinal direction. The absorbent article includes a body having a topsheet mainly containing water-retaining fibers, a backsheet, and an absorbent body disposed between the topsheet and the backsheet. The packaging material packages the folded absorbent article. The absorbent article package further includes a perfuming portion where a perfume is disposed. The body is Along the longitudinal direction, it is divided into a front region, an intermediate region facing the excretory part of the wearer, and a rear region. The topsheet extends over the front region, the intermediate region, and the rear region, and has an adhesive region where an adhesive is disposed on the non-skin-facing surface. The body is It is disposed so as to overlap the adhesive region in plan view, and has a squeezing portion where the topsheet and the absorbent body are squeezed. The squeezing portion is A pair of linear squeezing portions extending in the longitudinal direction over the front region, the intermediate region, and the rear region, and An intermediate squeezing part disposed between the pair of linear squeezing parts in the intermediate region, and an end-side squeezing part disposed at least one of the longitudinal rear or front away from the linear squeezing part.

[0007] Also, an absorbent article according to another aspect of the present invention includes a topsheet mainly containing water-retaining fibers, a backsheet, and an absorber disposed between the topsheet and the backsheet, and has a main body having a longitudinal direction corresponding to the front-back direction of the wearer and a lateral direction orthogonal to the longitudinal direction. The absorbent article contains a fragrance. The main body is divided along the longitudinal direction into a front region, an intermediate region facing the excretory part of the wearer, and a rear region. The topsheet extends over the front region, the intermediate region, and the rear region, and has an adhesive region where an adhesive is disposed on the non-skin-facing surface. The main body is disposed so as to overlap with the adhesive region in a plan view, and has a squeezing part where the topsheet and the absorber are squeezed. The squeezing part includes a pair of linear squeezing parts extending in the longitudinal direction over the front region, the intermediate region, and the rear region, an intermediate squeezing part disposed between the pair of linear squeezing parts in the intermediate region, and an end-side squeezing part disposed at least one of the longitudinal rear or front away from the linear squeezing part.

Advantages of the Invention

[0008] Even when a fragrance is used, the absorbent article package and the absorbent article of the present invention can suppress peeling of the topsheet mainly composed of water-retaining fibers and accompanying liquid leakage.

Brief Description of the Drawings

[0009]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Mode for Carrying Out the Invention

[0010] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0011] <First Embodiment> [Overall Configuration of Napkin (Absorbent Article)] As shown in FIG. 1, the absorbent article 1 according to the first embodiment of the present invention includes a main body M. The absorbent article 1 is configured as a sanitary napkin, and hereinafter will be referred to as napkin 1. In the example shown in FIG. 1, the napkin 1 further includes a wing portion W. Note that the napkin 1 shown in FIG. 1 is configured as a day-use napkin assuming use other than at bedtime as an example. The napkin 1 in this example has, for example, a length in the longitudinal direction X of less than 30 cm, for example. Note that the absorbent article in the present invention is not limited to this, and may be configured as a night-use napkin as described later.

[0012] The napkin 1 has a longitudinal direction X corresponding to the front-back direction of the wearer, and a lateral direction Y orthogonal to the longitudinal direction X. The lateral direction Y corresponds to the left-right direction of the wearer. Further, the napkin 1 has a thickness direction Z orthogonal to both the longitudinal direction X and the lateral direction Y. In this specification, "inside the lateral direction Y" means the side closer to the longitudinal center line CL that bisects the napkin 1 in the lateral direction Y, and "outside the lateral direction Y" means the side farther from the longitudinal center line CL. In this specification, "front in the longitudinal direction X" or "front" means the front in the longitudinal direction X, that is, the direction toward the ventral side of the wearer. "Rear in the longitudinal direction X" or "rear" means the rear in the longitudinal direction X, that is, the direction toward the dorsal side of the wearer. In this specification, regarding the thickness direction Z, the side closer to the wearer's skin during wearing may be expressed as up or the skin side, and the side closer to the clothing may be expressed as down or the non-skin side. Also, in each component, the surface on the skin side is the "skin-facing surface", and the surface on the non-skin side is the "non-skin-facing surface". In this specification, "plan view" means a plan view seen from the thickness direction Z by stretching the napkin 1 on the X-Y plane.

[0013] The main body M is divided along the longitudinal direction X into a front region M1, an intermediate region M2, and a rear region M3. The intermediate region M2 is a region that faces the excretion part of the wearer during wearing. In FIG. 1, the intermediate region M2 is the region between the front and rear base ends of the wing part W in the main body M. Note that when the absorbent article is a napkin, the "excretion part" means the vaginal orifice. The front region M1 is a region arranged in front of the intermediate region M2 (on the ventral side of the wearer), and is arranged to face the front of the excretion part of the wearer during wearing. The rear region M3 is a region arranged behind the intermediate region M2 (on the dorsal side of the wearer), and is arranged to face the rear of the excretion part of the wearer during wearing.

[0014] The wing part W projects outward in the lateral direction Y from the intermediate region M2. In the case where the napkin 1 does not have the wing part W, the main body M is divided into three equal parts along the longitudinal direction X, the central region is taken as the intermediate region M2, the region arranged in front of it is taken as the front region M1, and the region arranged behind it is taken as the rear region M3.

[0015] As shown in FIG. 2, the main body M has an absorber 4, a topsheet 2, and a backsheet 3, and these are laminated in the thickness direction Z. The main body M is arranged on the inner surface of the wearer's clothing and has a function of absorbing excreted liquids such as the menstrual blood of the wearer (hereinafter also referred to as "liquid"). Furthermore, the napkin 1 includes a pair of side sheets 5 that extend from the region outside the lateral direction Y of the main body M to the wing part W. In the example shown in FIG. 2, the wing part W has a configuration in which the side sheet 5 and the backsheet 3 extending from the main body M are laminated. These members are appropriately joined and integrated by, for example, joining by an adhesive or heat sealing, and squeezing processing in the squeezing part 16 described later.

[0016] The absorber 4 extends along the longitudinal direction X and is arranged between the topsheet 2 and the backsheet 3. The absorber 4 absorbs the liquid from the topsheet 2 side, diffuses it inside, and holds the liquid. The absorber 4 has, for example, an absorbent core 7 and a core wrap sheet 8. The absorbent core 7 may be formed of, for example, an aggregate of hydrophilic fibers such as pulp fibers, or may have a configuration in which a water-absorbing polymer is held in the fiber aggregate. The core wrap sheet 8 is a sheet that covers the absorbent core 7 and has, for example, a function of maintaining the shape of the absorbent core 7. The core wrap sheet 8 is formed of, for example, a thin and soft paper such as tissue paper or a liquid-permeable non-woven fabric. Note that the absorber 4 may not have the core wrap sheet 8.

[0017] The topsheet 2 is arranged on the skin side in the thickness direction Z of the absorber 4. The topsheet 2 is a liquid-permeable sheet material and mainly contains water-retaining fibers as described later.

[0018] A pair of side sheets 5 are respectively arranged on the outer side in the lateral direction Y of the top sheet 2. As the material of the side sheet 5, a sheet material with lower hydrophilicity than the top sheet 2 is preferable. Specifically, examples include non-woven fabrics, film materials, and sheets with a laminate structure of non-woven fabric and film material that have lower hydrophilicity than the top sheet 2.

[0019] The back sheet 3 is arranged on the non-skin side in the thickness direction Z of the absorber 4. The back sheet 3 is joined, for example, at its periphery, to the top sheet 2 and the side sheets 5 by heat sealing or the like without passing through the absorber 4. The back sheet 3 may be joined to the absorber 4 by an adhesive or the like. The back sheet 3 is formed of, for example, a sheet material having functions such as liquid impermeability, water vapor permeability, and water repellency. As the sheet material, for example, a film of a thermoplastic resin, a laminate of the film and a non-woven fabric, or the like can be used.

[0020] Furthermore, the main body M preferably has a main body adhesive portion 6 arranged on the non-skin facing surface 3a of the back sheet 3. The main body adhesive portion 6 fixes the main body M to the inner surface of the clothing and also detachably fixes the napkin 1 to a packaging material 12 described later. The main body adhesive portion 6 is formed, for example, by applying an adhesive to the back sheet 3 in a predetermined pattern. As the adhesive used for the main body adhesive portion 6, preferably, a hot melt adhesive such as a rubber-based, olefin-based, ethylene vinyl acetate (EVA)-based adhesive is used. A preferred configuration example of the main body adhesive portion 6 will be described later. Note that the wing portion W may have a wing adhesive portion 9 arranged on the non-skin facing surface 3a of the back sheet 3.

[0021] [Configuration of the top sheet] The top sheet 2 mainly contains water-retaining fibers from the viewpoint of realizing high water absorption and moisture absorption. As used herein, the "water-retaining fiber" is a fiber having water-retaining and water-absorbing properties, such as cotton or rayon, which can be easily understood by those skilled in the art, and is a fiber that is the opposite pole to synthetic fibers having hydrophobic properties, such as core-sheath structure fibers of polyethylene terephthalate and polyethylene. In addition, as for the sheet mainly containing the water-retaining fiber, the value measured by the "water-retaining test" described later is preferably 100 mm or more, and more preferably 150 mm or more. Since the topsheet 2 mainly contains water-retaining fibers, the topsheet 2 can quickly absorb the excreted liquid and the sweat of the wearer. Furthermore, such a topsheet 2 can also absorb the water vapor derived from the liquid or sweat and release the water vapor to the unused portion of the absorber 4 (that is, the portion capable of absorbing the excreted liquid). Thereby, the stuffiness when wearing the napkin 1 is effectively suppressed, the wearing feeling is enhanced, and the skin trouble of the wearer is also suppressed. "The topsheet 2 mainly contains water-retaining fibers" means that the topsheet 2 contains 90% by mass or more of water-retaining fibers. The topsheet 2 preferably contains water-retaining fibers, more preferably 95% by mass, and may be composed only of water-retaining fibers.

[0022] <Method of water-retaining test> The water-retaining test was conducted according to the following procedure. First, three test pieces of the topsheet cut out to 10 cm × 10 cm were stacked, and two sheets of filter paper (for example, qualitative filter paper / manufactured by ADVANTEC) cut out to the same size were stacked under them. While this was left standing on a horizontal table, 1 mL of blue water (obtained by adding 0.1 g of Food Blue No. 1 / manufactured by Daiwa Kasei Co., Ltd. to 500 mL of ion-exchanged water) was dripped. Subsequently, after 5 minutes, the spread of the blue water on the surface of the first sheet was measured in two directions of the length of the sheet in the vertical (H) and horizontal (W) directions and the total was calculated. In addition, when the sample cannot be cut out to 10 cm × 10 cm or when three test pieces cannot be cut out, the size of the sample may be appropriately changed. However, in this case, the size of the sample shall be the maximum size as a square shape that can be cut out from the absorbent article.

[0023] In the present invention, the water-retaining fiber may be a natural fiber or a synthetic fiber. Specific examples include natural fibers such as cotton fiber, cellulose fibers other than cotton fiber (hemp, coconut, kraft pulp, straw, etc.), rayon fiber, polynosic fiber, etc., as well as regenerated fibers and semi-synthetic fibers such as acetate rayon. From the viewpoint of giving a sense of security to the wearer, the water-retaining fiber is preferably a natural fiber. Further, from the viewpoint of giving a sense of security to the wearer and realizing high water absorption and moisture absorption and a soft texture, the water-retaining fiber is preferably cotton fiber.

[0024] The topsheet 2 is composed of a woven fabric or a non-woven fabric mainly made of water-retaining fibers, and is particularly preferably composed of a non-woven fabric. Examples of such non-woven fabrics include spunlace non-woven fabrics, resin-bonded non-woven fabrics, needle-punched non-woven fabrics, etc. from the viewpoint of entangling or adhering water-retaining fibers. In particular, from the viewpoint of making use of the texture of water-retaining fibers for entanglement, a non-woven fabric having no fusion points between fibers is preferred, and specifically, a spunlace non-woven fabric is preferred.

[0025] In the topsheet 2 mainly made of the above water-retaining fibers, since the heat fusion property is low, an adhesive H is mainly used as a joining method with other members such as the absorber 4. That is, as shown in FIGS. 1 and 2, the topsheet 2 has an adhesive region 11 where the adhesive H is disposed on its non-skin-facing surface 2b. Thereby, the topsheet 2 can be joined to other members such as the absorber 4 without relying on heat fusion. As the adhesive H, a hot melt adhesive is preferred from the viewpoint of being able to sufficiently increase the joining strength by the squeezing process described later.

[0026] In FIG. 1, the adhesion region 11 is an area represented by a dot pattern. In the adhesion region 11, the adhesive H may be applied over the entire adhesion region 11. Alternatively, from the viewpoint of enhancing the flexibility of the adhesion region 11 and promoting prompt liquid transfer to the absorber 4, the adhesive H is preferably applied intermittently such that coated and non-coated portions of the adhesive H are intermixed. Examples of such an intermittent coating pattern include spiral, summit, omega, curtain, stripe, and the like. When the adhesive H is applied intermittently, the adhesion region 11 is an area including a non-coated portion obtained by surrounding the outer edge of the coated portion of the adhesive H. In FIG. 2, for the sake of convenience, it is shown as if the adhesive H is applied over the entire adhesion region 11, but actually, it may include a non-coated portion.

[0027] The adhesion region 11 extends over the front region M1, the middle region M2, and the rear region M3, and preferably extends over the entire longitudinal length X of the topsheet 2. Further, when the topsheet 2 is divided into three equal parts in the lateral direction Y to be divided into a central portion and left and right side portions, the adhesion region 11 is preferably disposed at least in the central portion, and more preferably extends to the left and right side portions. Thereby, the topsheet 2 can be joined to the absorber 4 and the like over a wide range, and the adhesion region 11 can be disposed so as to overlap the squeezing portion 16 described later, and the effect of enhancing the joining strength can be obtained.

[0028] [Configuration of the Package (Absorbent Article Package)] The napkin 1 having the above configuration is individually packaged as an absorbent article (napkin) package 10. Hereinafter, the "absorbent article package" is simply referred to as the "package". As shown in FIGS. 1 and 2, the package 10 includes the napkin 1 and the packaging material 12. The packaging material 12 packages the folded napkin 1. From the viewpoint of compactly packaging the napkin 1 that is long in the longitudinal direction X, the napkin 1 is preferably folded in the longitudinal direction X. Note that the same longitudinal direction X and transverse direction Y as those of the napkin 1 (absorbent article) are also applied to the package 10. Specifically, the longitudinal direction X coincides with the longitudinal direction of the package 10, and the transverse direction Y coincides with the width direction of the package 10.

[0029] In the examples shown in FIGS. 1 to 3, the packaging material 12 has a main body release sheet 13 and an outer sheet 14. The main body release sheet 13 is configured to cover the main body adhesive portion 6 and be peelable from the main body adhesive portion 6. The main body release sheet 13 is configured as, for example, a rectangular sheet material having a longitudinal length in the longitudinal direction X. As the main body release sheet 13, a sheet material that can be easily peeled from the main body adhesive portion 6 of the napkin 1 can be used. Examples of such a sheet material include glassine paper, polyethylene film, and peeled high-quality paper. The outer sheet 14 is a sheet material that constitutes the outer surface of the packaging material 12 and is fixed to the non-skin-facing surface side of the main body release sheet 13 by an adhesive or the like. In the example shown in FIG. 1, the outer sheet 14 is configured in a rectangular shape that is larger than the main body M of the napkin 1 and longer in the longitudinal direction X in a plan view seen from the thickness direction Z. As the outer sheet 14, various types conventionally used as the packaging material for the absorbent article package can be used without particular limitation. For example, a resin film, a non-woven fabric, paper, or the like can be used. Note that the packaging material 12 is not limited to the above configuration. For example, it may have a configuration in which the outer sheet 14 directly covers the main body adhesive portion 6 without having the main body release sheet 13.

[0030] The napkin 1 is folded and packaged, for example, as follows. First, as shown in FIG. 1, the napkin 1 is placed on the packaging material 12. Thereby, a laminate of the napkin 1 and the packaging material 12 is obtained. At this time, it is preferable that the pair of wing portions W of the napkin 1 are bent toward the top sheet 2 side (skin-facing surface side) along both sides along the longitudinal direction X of the main body M. Further, when the wing adhesive portion 9 is formed on the wing portion W, it is preferable that the wing adhesive portion 9 of the bent wing portion W is covered with a release sheet different from the main body release sheet 13.

[0031] Subsequently, the laminate including the napkin 1 and the packaging material 12 is folded in the longitudinal direction X with a plurality of fold lines extending in the lateral direction Y as folding axes. In the example shown in FIG. 1, two fold lines L1 and L2 are set in the package 10. For example, the fold line L1 is arranged to pass through the front region M1 of the napkin 1, and the fold line L2 is arranged to pass through the rear region M3 of the napkin 1. As an example, first, the rear region M3 side is folded onto the intermediate region M2 along the fold line L2, and then the front region M1 side is folded onto the intermediate region M2 and the rear region M3 along the fold line L1. Thereby, the package 10 of the napkin 1 having a folded shape as shown in FIG. 4 is formed.

[0032] Note that, from the viewpoint of maintaining the folded shape, the package 10 preferably has side sealing portions S. The side sealing portions S are formed at the lateral Y-side edges of the packaging material 12 extending outward in the lateral direction Y from the napkin 1, and join the folded outer sheet 14 by a known joining method such as thermo-embossing. The side sealing portions S can suppress the release of the fragrance described later to the outside of the package 10. Furthermore, from the viewpoint of maintaining the folded shape and facilitating opening, the package 10 preferably has a tab tape T disposed at the longitudinal X end of the outer sheet 14.

[0033] As shown in FIG. 2, from the viewpoint of imparting effects such as relaxation and / or mood change by the fragrance, the package 10 further includes a fragrance-imparting portion 15. The fragrance-imparting portion 15 is a region where the fragrance is disposed. The fragrance-imparting portion 15 is disposed on at least one of the packaging material 12 or the napkin 1, and in the example shown in FIG. 3, it is disposed on the packaging material 12. The fragrance may be any one that can volatilize the fragrance components into the atmosphere under atmospheric pressure, and ordinary fragrances that can perceive the fragrance in an environment of normal temperature and pressure can be used without particular limitation, and those applicable in the technical field of absorbent articles can be used. Specific examples of the fragrance will be described later. The fragrance-imparting part 15 is formed, for example, by applying a suspension containing a fragrance to a predetermined member of the package 10. Examples of the application method include a spraying method using a spray, a brushing method, and an immersion method. Additionally, an application method using a bar coater, a gravure coater, various roll coaters, etc. may also be used. Alternatively, the fragrance-imparting part 15 may be formed by applying a powder in which a fragrance component is included in a compound such as cyclodextrin, a porous granule carrying a fragrance, or a microcapsule encapsulating a fragrance.

[0034] Since the fragrance can volatilize from the fragrance-imparting part 15, the fragrance can reach the adhesion region 11. As a result, the fragrance may affect the adhesive H in the adhesion region 11, and the bonding strength of the adhesion region 11 may decrease. Therefore, in the present invention, from the viewpoint of effectively suppressing the decrease in the bonding strength of the adhesion region 11, a squeezing part 16 having the following configuration is provided.

[0035] [Configuration of the squeezing part] As shown in FIGS. 1 and 2, the main body M is arranged so as to overlap the adhesion region 11 in a plan view, and further includes a squeezing part 16 in which the top sheet 2 and the absorber 4 are squeezed. The squeezing part 16 is formed, for example, by squeezing in the thickness direction Z from the top sheet 2 toward the absorber 4. Examples of the squeezing process include a thermal embossing process and an ultrasonic embossing process. The squeezing part 16 has a configuration in which the top sheet 2 and the absorber 4 are integrally recessed toward the back sheet 3 side (non-skin side).

[0036] In the squeezing part 16, the top sheet 2 and the member to be joined via the adhesive H are squeezed in the thickness direction Z. As a result, the adhesive H enters between the fibers of the top sheet 2 and the member to be joined in a state having fluidity, and the bonding strength between these members is increased. In particular, when the adhesive H is a hot melt adhesive, the fluidity of the adhesive H is favorably increased by the heat during the squeezing process, and the bonding strength is more effectively increased. Therefore, by arranging the squeezing part 16 so as to overlap the adhesion region 11, the bonding strength in the adhesion region 11 can be increased. Furthermore, in the present embodiment, from the viewpoint of arranging the squeezing regions locally and effectively at positions where the bonding strength is particularly likely to be a problem while suppressing a decrease in the texture, water absorbency, and moisture absorbency of the topsheet 2 due to the squeezing process, the squeezing unit 16 has a pair of linear squeezing units 17, an intermediate squeezing unit 18, and an end-side squeezing unit 19.

[0037] The pair of linear squeezing units 17 extends in the longitudinal direction X over, for example, the front region M1, the intermediate region M2, and the rear region M3. The linear squeezing unit 17 has a groove-like structure formed by the squeezing process. The "linear" in the linear squeezing unit 17 means a configuration in which the squeezing region extends linearly and / or curvilinearly. Further, this expression "linear" includes not only a mode in which one squeezing region extends continuously but also a mode in which a plurality of squeezing regions are arranged adjacent to each other in the extending direction and are substantially linear. In the present specification, the statement that "the linear squeezing unit 17 extends in the longitudinal direction X" is not limited to a mode in which the linear squeezing unit 17 extends parallel to the longitudinal direction X, and it suffices that the linear squeezing unit 17 extends in the longitudinal direction X as a whole. In the example shown in FIG. 1, the linear squeezing unit 17 extends in the longitudinal direction X as a whole, but includes a portion that is locally constricted inward in the lateral direction Y and a portion that extends in the lateral direction Y at the longitudinal direction X end side.

[0038] The intermediate squeezing unit 18 is arranged between the pair of linear squeezing units 17 in the intermediate region M2 from the viewpoint of increasing the bonding strength in the region that can face the discharge part. That is, the intermediate squeezing unit 18 is arranged inside the lateral direction Y of the pair of linear squeezing units 17 in the intermediate region M2. The intermediate squeezing unit 18 includes one or a plurality of squeezing regions, and in the example shown in FIG. 1, has a plurality of squeezing regions spaced apart from each other. Specific examples of each squeezing region of the intermediate squeezing unit 18 will be described later.

[0039] The end-side squeezing unit 19 is arranged at least one of the rear or front in the longitudinal direction X away from the linear squeezing unit 17 from the viewpoint of increasing the bonding strength in the region closer to the longitudinal direction X end of the napkin 1 than the linear squeezing unit 17. When the linear squeezing part 17 and the end - side squeezing part 19 "separate", it means that the squeezing regions formed by them are completely separated from each other and function as independent squeezing regions. Specifically, in the linear squeezing part 17 and the end - side squeezing part 19, the distance between their closest parts is preferably 15 mm or more.

[0040] In the example shown in FIG. 1, the end - side squeezing part 19 includes a front squeezing part 20 and a rear squeezing part 21. The front squeezing part 20 is arranged at a distance in front of the linear squeezing part 17 in the longitudinal direction X. The rear squeezing part 21 is arranged at a distance behind the linear squeezing part 17 in the longitudinal direction X. Note that the end - side squeezing part 19 is not limited to this example and may have only the rear squeezing part 21 or only the front squeezing part 20. The front squeezing part 20 and the rear squeezing part 21 each have one or more squeezing regions. In the example shown in FIG. 1, they have a plurality of mutually separated squeezing regions. Specific examples of the squeezing regions of the front squeezing part 20 and the rear squeezing part 21 will be described later.

[0041] [Main functions and effects of the present invention] In the present invention, a top sheet 2 mainly made of water - retaining fibers is provided, and a fragrance - imparting part 15 is provided in the package 10. In the top sheet 2 with low heat - fusibility, since it is difficult to use heat - fusion as a joining method with other members, the contribution to the joining strength by the adhesive H becomes very large. Thus, when the joining strength of the adhesive H decreases due to the influence of the fragrance, the peeling of the top sheet 2 from other members is particularly likely to occur. Therefore, in the present invention, as a means to increase the joining strength of the adhesive H in the adhesion region 11, a squeezing part 16 is provided. By the squeezing part 16, the adhesive H can be sufficiently adhered to both the top sheet 2 and the member to be joined, and the joining strength of the adhesive H can be sufficiently increased. Furthermore, according to the squeezing part 16, it is possible to locally and efficiently increase the joining strength in the region where the peeling of the top sheet 2 is particularly likely to be a problem. Specifically, first, by providing a pair of linear squeezing portions 17 on the left and right across the front region M1, the intermediate region M2, and the rear region M3, regions with high joining strength can be provided along the longitudinal direction X in the respective left and right regions sandwiching the longitudinal center line CL of the adhesion region 11. In the adhesion region 11, peeling of the top sheet 2 is likely to occur from the lateral Y-side end portion, but the linear squeezing portion 17 can suppress the peeling of the top sheet 2 over a wide range of the side end portion. Furthermore, in the adhesion region 11, the intermediate squeezing portion 18 and the end-side squeezing portion 19 are arranged in a portion where the effect of improving the joining strength of the linear squeezing portion 17 is difficult to reach and where peeling of the top sheet 2 is likely to occur. For example, in the region between the linear squeezing portions 17 in the intermediate region M2, in addition to the fact that the joining strength of the adhesive H is likely to decrease due to the fragrance, the joining strength of the adhesive H is also likely to decrease due to the absorption of the liquid. Furthermore, in this region, the top sheet 2 is likely to peel off due to contact with and rubbing against the excretion portion. Also, when the top sheet 2 peels off in this region, the liquid excreted on the top sheet 2 does not smoothly transfer to the absorber 4, easily leading to liquid leakage. Therefore, by arranging the intermediate squeezing portion 18 in this region, it is possible to effectively suppress the peeling of the top sheet 2 in the excretion portion and / or its vicinity and the accompanying liquid leakage. Furthermore, the regions in front of and / or behind the linear squeezing portion 17 are likely to be deformed by the change in the body shape, and accordingly, peeling (lifting) of the top sheet 2 is likely to occur. For example, in the region in front of the linear squeezing portion 17, due to the curved shape of the wearer's pubis, the napkin 1 is also likely to be curved in the longitudinal direction X, and lifting of the top sheet 2 is likely to occur. Also, in the region behind the linear squeezing portion 17, by facing the buttocks and the depression (natal cleft) between them, the napkin 1 is also likely to be deformed along their uneven shapes, and lifting of the top sheet 2 is likely to occur. Therefore, by arranging the end-side squeezing portion 19 in these regions, it is possible to effectively suppress the peeling of the top sheet 2 at the front end portion and / or the rear end portion side of the napkin 1 and the accompanying liquid leakage from the front and / or the rear. As described above, according to the present invention, while taking advantage of the good water absorbency and moisture absorbency of the topsheet 2 and the effects such as relaxation and / or mood change by the fragrance, it is possible to suppress the peeling of the topsheet 2 and the accompanying liquid leakage and the like. Furthermore, since the water-retaining fibers made of natural fibers, particularly cotton fibers, have extremely low heat fusibility, the effects of the intermediate squeezing portion 18 and the end-side squeezing portion 19 are particularly high.

[0042] [Detailed configuration examples of the intermediate squeezing portion and the end-side squeezing portion] (Dimension example) For example, it is preferable that at least one of the dimensions in the longitudinal direction X or the transverse direction Y of the intermediate squeezing portion 18 and the end-side squeezing portion 19 is 40 mm or more. Thereby, the effect of improving the bonding strength of the intermediate squeezing portion 18 and the end-side squeezing portion 19 can be exerted within a sufficient range, and the peeling of the topsheet 2 in the region where the effect of the linear squeezing portion 17 does not reach can be sufficiently suppressed. The dimension in the longitudinal direction X of the intermediate squeezing portion 18 or the end-side squeezing portion 19 means the dimension in the longitudinal direction X from the portion located most forward in the longitudinal direction X of the intermediate squeezing portion 18 or the end-side squeezing portion 19 to the portion located most backward in the longitudinal direction X. When the intermediate squeezing portion 18 and the end-side squeezing portion 19 include a plurality of squeezing regions, the dimension in the longitudinal direction X is the dimension from the portion located most forward in the longitudinal direction X among those plurality of squeezing regions to the portion located most backward in the longitudinal direction X. Similarly, the dimension in the transverse direction Y of the intermediate squeezing portion 18 or the end-side squeezing portion 19 means the dimension in the transverse direction Y from the portion located most on the right side in the transverse direction Y of the intermediate squeezing portion 18 or the end-side squeezing portion 19 to the portion located most on the left side in the transverse direction Y. When the intermediate squeezing portion 18 and the end-side squeezing portion 19 include a plurality of squeezing regions, the dimension in the transverse direction Y is the dimension from the portion located most on the right side in the transverse direction Y among those plurality of squeezing regions to the portion located most on the left side in the transverse direction Y. In addition, when the end-side squeezing portion 19 has both the front squeezing portion 20 and the rear squeezing portion 21, it is preferable that at least one of the dimensions in the longitudinal direction X or the transverse direction Y of at least one of the front squeezing portion 20 or the rear squeezing portion 21 is 40 mm or more.

[0043] (Configuration Example) The intermediate squeezing part 18 and the end side squeezing part 19 are preferably arranged so as to pass through the central part in the lateral direction Y of the main body M. The "central part in the lateral direction Y of the main body M" means the region on and around the vertical center line CL. Here, the "periphery" is the region on the vertical center line CL side that bisects the distance between the virtual line drawn parallel to the longitudinal direction X when a virtual line is drawn from the part located most outside in the lateral direction Y of the linear squeezing part 17 and the vertical center line CL. In particular, the intermediate squeezing part 18 and the end side squeezing part 19 are preferably present in the region on the vertical center line CL side that trisects the distance between the virtual line and the vertical center line CL. Furthermore, it is more preferable from the viewpoint of the peeling suppression effect of the top sheet that they are arranged on the vertical center line CL. When the intermediate squeezing part 18 and the end side squeezing part 19 each include a plurality of squeezing regions, it is preferable that at least one of the squeezing regions is arranged so as to pass through the central part in the lateral direction Y. Thereby, the bonding strength at the center in the lateral direction Y where the effects of the left and right linear squeezing parts 17 are less likely to reach can be increased. Specifically, by arranging the intermediate squeezing part 18 so as to pass through the central part in the lateral direction Y of the main body M, the bonding strength of the region that is particularly likely to come into contact with the excretion part can be increased. Thereby, the peeling of the top sheet 2 due to rubbing against the excretion part or the like can be more effectively suppressed. Also, by arranging the rear squeezing part 21 so as to pass through the central part in the lateral direction Y of the main body M, the bonding strength of the region facing the natal cleft, which is the depression between the buttocks, can be increased. Since the buttocks are convex on the non-muscular side, the regions of the top sheet 2 facing the left and right buttocks are easily pressed toward the absorber 4 side. On the other hand, at the center in the lateral direction Y facing the natal cleft between the left and right buttocks, the pressing force from the buttocks is rapidly relaxed, and the top sheet 2 is likely to peel off from the absorber 4 or the like. Furthermore, when the buttocks and the top sheet 2 rub against each other and a shearing force in the plane direction acts on the top sheet 2, wrinkles are likely to be formed at the center in the lateral direction Y where the pressing force is low, and this also makes the top sheet 2 likely to peel off. By arranging the rear squeezing part 21 in such a region facing the natal cleft, the peeling of the top sheet 2 can be effectively suppressed.

[0044] (Configuration Example of Intermediate Squeezing Part) From the perspective of taking advantage of the advantages of the top sheet 2 while effectively suppressing the peeling of the top sheet 2, the intermediate squeezing portion 18 preferably has a plurality of squeezing regions spaced apart from each other. Thereby, while reducing the area of each squeezing region, the area surrounding the outer edges of the plurality of squeezing regions of the intermediate squeezing portion 18 can be increased. Therefore, it is possible to improve the bonding strength over a wide range while suppressing a decrease in the texture, water absorbency, and moisture absorbency of the top sheet 2 due to the squeezing process.

[0045] In the example shown in FIG. 1, the intermediate squeezing portion 18 includes a pair of first intermediate squeezing regions 19a facing each other in the lateral direction Y, and a pair of second intermediate squeezing regions 19b facing each other in the longitudinal direction X. Further, it is more preferable that the second intermediate squeezing region 19b is disposed in front of and behind the first intermediate squeezing region 19a in the longitudinal direction X. Thereby, while increasing the interval between the squeezing regions, the squeezing regions can be arranged in the front, rear, left, and right directions surrounding the region facing the discharge portion. Therefore, it is possible to surely increase the bonding strength of the region that is easily rubbed by the discharge portion while suppressing a decrease in water absorbency and texture of the region facing the delicate discharge portion. Also, from the perspective of arranging the intermediate squeezing portion 18 so as to pass through the center in the lateral direction Y of the main body M, it is more preferable that the second intermediate squeezing region 19b is arranged so as to pass through the center in the lateral direction Y of the main body M.

[0046] The planar shape of each squeezing region of the intermediate squeezing portion 18 is not particularly limited. For example, one or more selected from linear, dot-like, circular, oval, elliptical, polygonal, droplet-like, shapes similar to these, and other shapes can be selected. From the perspective of suppressing the peeling of the top sheet 2 in a wide range of the intermediate region M2 that is long in the longitudinal direction X, the first intermediate squeezing region 19a and the second intermediate squeezing region 19b are each preferably elongated in the longitudinal direction X, and more preferably linear and extending in the longitudinal direction X. Thereby, it is possible to efficiently increase the bonding strength while preventing a decrease in the texture and the like of the region that is likely to come into contact with the delicate discharge portion. The length in the vertical direction X of the first intermediate squeezing region 19a and the second intermediate squeezing region 19b is preferably 4 mm or more, more preferably 6 mm or more, and preferably 12 mm or less, more preferably 10 mm or less, from the viewpoint of sufficiently obtaining the above-described effects.

[0047] The dimension of the intermediate squeezing portion 18 in the vertical direction X is preferably 30 mm or more, more preferably 40 mm or more, and preferably 100 mm or less, more preferably 90 mm or less, from the viewpoint of sufficiently exerting the peeling suppression effect on the top sheet 2 with respect to the vertically long intermediate region M2. The dimension of the intermediate squeezing portion 18 in the horizontal direction Y is preferably 13 mm or more, more preferably 15 mm or more, and preferably 21 mm or less, more preferably 19 mm or less, from the viewpoint of exerting the peeling suppression effect on the top sheet 2 over a wide range in the horizontal direction Y of the intermediate region M2.

[0048] Furthermore, as shown in FIGS. 1 and 2, the absorbent core 7 of the absorber 4 may have a protruding portion 7a that relatively protrudes with a high basis weight in the intermediate region M2. In this case, the intermediate squeezing portion 18 is preferably disposed on the protruding portion 7a. "Relatively high basis weight" means that the basis weight of the protruding portion 7a is higher than that of the region around the protruding portion 7a in the absorbent core 7. Note that the absorbent core 7 may be configured in a block shape by low-basis-weight groove portions. In this case, the "basis weight" of the protruding portion 7a and its surroundings is compared by the basis weight of the block portion other than the groove portion, not the basis weight of the groove portion. As shown in FIG. 2, the protruding portion 7a may protrude from the surroundings toward the skin side, or may protrude from the surroundings toward the non-skin side. Such a protruding portion 7a can enhance the absorbency of the absorber 4, bring the intermediate region M2 into close contact with the excretion portion and its vicinity, and effectively prevent liquid leakage. On the other hand, in the region on the protruding portion 7a, peeling of the top sheet 2 is likely to occur due to rubbing against the wearer's skin or the like. Therefore, by disposing the intermediate squeezing portion 18 on the protruding portion 7a, it is possible to effectively suppress peeling of the top sheet 2 due to rubbing or the like while obtaining the above-described effects of the protruding portion 7a.

[0049] (Configuration example of the rear squeezing part) The rear squeezing part 21 preferably has a plurality of squeezing regions spaced apart from each other from the viewpoint of effectively suppressing the peeling of the top sheet 2 while taking advantage of the advantages of the top sheet 2. Thereby, while reducing the area of each squeezing region, the area surrounding the outer edges of the plurality of squeezing regions of the rear squeezing part 21 can be increased. Therefore, in the region facing the buttocks and / or the vicinity thereof where a sense of incongruity is likely to occur, it is possible to improve the bonding strength over a wide range while suppressing a decrease in the texture, water absorption, and moisture absorption of the top sheet 2.

[0050] The arrangement of the rear squeezing part 21 is not particularly limited, but from the viewpoint of arranging the rear squeezing part 21 so as to pass through the center in the lateral direction Y of the main body M, it preferably includes a first rear squeezing region 22 arranged at the center in the lateral direction Y. Furthermore, in the example shown in FIG. 1, the rear squeezing part 21 includes a pair of second rear squeezing regions 23 arranged outside the first rear squeezing region 22 in the lateral direction Y, and a pair of second rear squeezing regions 23 arranged outside the pair of second rear squeezing regions 23 in the lateral direction Y. A pair of third rear squeezing regions 24. In this way, by dispersing each squeezing region of the rear squeezing part 21 along the lateral direction Y, it is possible to sufficiently achieve both the effect of maintaining the texture of the top sheet 2 and the effect of suppressing the peeling of the top sheet 2 over a wide range. In addition, by arranging the plurality of squeezing regions of the rear squeezing part 21 to be line-symmetrical (left-right symmetrical) with respect to the vertical center line CL, the arrangement of the plurality of squeezing regions can be made to conform to the left-right symmetrical body shape, and the peeling suppression effect of the top sheet 2 can be obtained more effectively.

[0051] The planar shape of each squeezing region of the rear squeezing part 21 is not particularly limited. For example, it can be selected from one or more of a circular shape, an oval shape, an elliptical shape, a polygonal shape, a drop shape, a linear shape, a shape similar thereto, and other shapes. The dimension of the rear squeezing part 21 in the lateral direction Y is preferably 30 mm or more, more preferably 35 mm or more, and preferably 55 mm or less, more preferably 50 mm or less, from the viewpoint of sufficiently obtaining the effect of suppressing the peeling of the top sheet 2 in the region facing the buttocks and the gluteal cleft. The dimension of the rear squeezing part 21 in the longitudinal direction X is preferably 5 mm or more, more preferably 7.5 mm or more, and preferably 15 mm or less, more preferably 12.5 mm or less, from the same viewpoint.

[0052] (Configuration example of the front squeezing part) Similarly to the rear squeezing part 21, the front squeezing part 20 preferably has a plurality of squeezing regions spaced apart from each other. The arrangement of the front squeezing part 20 is not particularly limited. In the example shown in FIG. 1, the front squeezing part 20 includes a pair of front squeezing regions 25. Thereby, when the napkin 1 is curved along the pubis, the bonding strength of the adhesive H in the left and right regions where the top sheet 2 is particularly likely to float can be increased. Further, by arranging the pair of front squeezing regions 25 symmetrically with respect to the vertical center line CL (left-right symmetry), the arrangement of the plurality of squeezing regions can be made to conform to the left-right symmetric body shape, and the effect of suppressing the peeling of the top sheet 2 can be obtained more effectively.

[0053] The planar shape of each squeezing region of the front squeezing part 20 is not particularly limited. For example, one or more selected from circular shape, oval shape, elliptical shape, polygonal shape, drop shape, linear shape, shapes similar thereto, and other shapes can be selected. The dimension of the front squeezing part 20 in the lateral direction Y is preferably 30 mm or more, more preferably 35 mm or more, and preferably 55 mm or less, more preferably 50 mm or less, from the viewpoint of sufficiently obtaining the effect of suppressing the peeling of the top sheet 2. The dimension of the front squeezing part 20 in the longitudinal direction X is preferably 5 mm or more, more preferably 7.5 mm or more, and preferably 15 mm or less, more preferably 12.5 mm or less, from the same viewpoint.

[0054] [Configuration example of the linear squeezing part] In the intermediate region M2, the linear squeezing portion 17 is preferably disposed on the lateral Y side portion. The lateral Y side portion of the intermediate region M2 means the left and right regions when the intermediate region M2 is divided into three equal parts in the lateral Y direction. Thereby, the linear squeezing portion 17 can be disposed at a position close to the lateral Y side edge of the adhesion region 11, and the peeling of the top sheet 2 from the side edge can be effectively suppressed. As shown in FIGS. 1 and 2, when the absorbent core 7 has the protruding portion 7a, the linear squeezing portion 17 is preferably disposed around the protruding portion 7a. Although a step is likely to occur on the skin-facing surface of the absorber 4 due to the protruding portion 7a, by disposing the linear squeezing portion 17 around the protruding portion 7a, the floating of the top sheet 2 from the absorber 4 in the surrounding region can be effectively suppressed. The maximum dimension of the linear squeezing portion 17 in the lateral Y direction is preferably 40 mm or more, more preferably 45 mm or more, preferably 65 mm or less, and more preferably 60 mm or less.

[0055] The pair of linear squeezing portions 17 are substantially continuous and are preferably connected to each other in the front region M1 and the rear region M3. Thereby, the pair of linear squeezing portions 17 can have a closed shape and can be substantially annular. In this case, the pair of linear squeezing portions 17 extend so as to approach each other inward in the lateral Y direction at the front end portion and the rear end portion. "Substantially continuous" includes not only the mode in which the linear squeezing portion 17 is continuous and configured in an annular shape, but also the mode in which it has a slight discontinuous portion of approximately 4 mm or less. With the linear squeezing portion 17 having the above configuration, the peeling of the top sheet 2 from the peripheral edges of the adhesion region 11 in the front, rear, left, and right directions can be effectively suppressed.

[0056] [Configuration Example of Fragrance Portion] (Arrangement Example) From the perspective of reducing the influence of the fragrance on the adhesive area 11, the fragrance-imparting part 15 is preferably disposed on the packaging material 12. Thereby, a configuration can be achieved in which the fragrance-imparting part 15 does not directly contact the top sheet 2. Therefore, it becomes difficult for the fragrance volatilized from the fragrance-imparting part 15 to reach the adhesive area 11, and it becomes easier to suppress a decrease in the bonding strength of the adhesive H due to the influence of the fragrance. Even in such a configuration, since the fragrance volatilized from the fragrance-imparting part 15 adheres to the napkin 1, the napkin 1 contains the fragrance.

[0057] As shown in FIGS. 2 and 3, it is more preferable that the fragrance-imparting part 15 is disposed on the main body release sheet 13. Thereby, in addition to the configuration in which the fragrance-imparting part 15 does not directly contact the top sheet 2, the fragrance of the fragrance-imparting part 15 is easily confined in the space formed by the back sheet 3, the main body adhesive part 6, and the main body release sheet 13. Therefore, volatilization of the fragrance to the outside in the folded shape of the package 10 is suppressed, and when the package 10 is opened and the main body release sheet 13 is peeled off, a large amount of fragrance can volatilize. As a result, the wearer can sufficiently feel the scent, and effects such as relaxation and / or mood change due to the scent can be sufficiently obtained.

[0058] Furthermore, as shown in FIG. 3, from the viewpoint of effectively suppressing the volatilization of the fragrance in the folded shape of the package 10, etc., it is more preferable that the fragrance-imparting part 15 is disposed at the central portion 13a in the lateral direction Y of the main body release sheet 13. The central portion 13a in the lateral direction Y of the main body release sheet 13 means the central portion when the main body release sheet 13 is divided into three equal parts in the lateral direction Y. Note that the left and right portions are referred to as lateral side portions 13b in the lateral direction Y. In the above configuration, compared with the case where the fragrance-imparting part 15 is disposed on the lateral side portion 13b in the lateral direction Y of the main body release sheet 13, volatilization of the fragrance to the outside is effectively suppressed. Further, even if the fragrance of the fragrance-imparting part 15 reaches the central portion in the lateral direction Y of the adhesive area 11, the bonding strength of the corresponding area of the adhesive area 11 can be increased by the intermediate squeezing part 18 and the end side squeezing part 19, so that peeling of the top sheet 2 can be more reliably suppressed.

[0059] As shown in FIG. 3, it is more preferable that the fragrance-imparting part 15 is formed in a linear shape extending in the vertical direction X. The phrase "the fragrance-imparting part 15 extends along the vertical direction X" is not limited to the mode in which the fragrances are continuously arranged along the vertical direction X, but also includes the mode in which the fragrances are intermittently arranged along the vertical direction X. Thereby, while the fragrance-imparting part 15 has a sufficient amount of fragrance, it is likely to be arranged at the center in the lateral direction Y of the main body release sheet 13, and the above-described effects can be further enhanced.

[0060] (Detailed description of the fragrance) As the fragrance to be arranged in the fragrance-imparting part 15, for example, a highly volatile fragrance component having a boiling point of about 250°C or lower, or a medium-volatile fragrance component having a boiling point of about 250 to about 300°C is preferably used.

[0061] Examples of the above highly volatile fragrance component used as the fragrance to be arranged in the fragrance-imparting part 15 include anisole, benzaldehyde, benzyl acetate, benzyl alcohol, benzyl formate, isobornyl acetate, citronellal, citronellol, citronellyl acetate, paracymene, decanal, dihydrolinalool, dihydromyrcenol, dimethylphenylcarbinol, eucalyptol, 1-carvone, geranial, geraniol, geranyl acetate, geranyl nitrile, neryl acetate, nonyl acetate, linalool, ethyllinalool, linalyl acetate, phenylethyl alcohol, α-pinene, β-pinene, γ-pinene, α-ionone, β-ionone, γ-ionone, α-terpineol, β-terpineol, terpinyl acetate, tenatolide, etc. One kind can be used alone, or two or more kinds can be used in combination.

[0062] Examples of the medium-volatile perfume components used as the perfume include one selected from the group consisting of amyl cinnamic aldehyde, methyl dihydrojasmonate, isoamyl salicylate, β-caryophyllene, cedrene, cedryl methyl ether, cinnamic alcohol, coumarin, dimethyl benzyl carbinyl acetate, isoeugenol, γ-methyl ionone, heliotropin, hexyl salicylate, cis-3-hexenyl salicylate, phenylhexanol, pentalide, etc., which can be used alone or in combination of two or more thereof.

[0063] As the perfume, in addition to the above-mentioned high-volatile and medium-volatile perfume components, or further in addition to these perfume components, a perfume composition containing a perfume having a rose fragrance, a lavender fragrance, a jasmine fragrance, or an ylang-ylang fragrance can also be used. Examples of such a perfume composition include one selected from the group consisting of nerol, lavandulol, jasmarl, cyclopidene, etc., which can be used alone or in combination of two or more thereof. Perfumes include the above-mentioned single perfume materials, and those in which "perfume materials composed of a plurality of perfumes are combined (perfume compositions) and diluted and adjusted with a solvent", such as natural essential oils and blending bases. For example, as the perfume, a perfume composition containing a perfume having a rose, lavender, jasmine, or ylang-ylang-like fragrance can be used.

[0064] (Content of perfume) From the viewpoint of appropriately holding the perfume in the package 10 and sufficiently obtaining the effect of the fragrance, the content of the perfume applied to the perfume-applying part 15 is preferably 0.10 g / m² as the basis weight. 2 More preferably, it is 0.15 g / m² or more. 2 And preferably, it is 1.0 g / m² or less. 2 More preferably, it is 0.50 g / m² or less. 2 That is, it is as follows.

[0065] [Example of the configuration of the main body adhesive part] Furthermore, as shown in FIG. 5, it is more preferable that the main body adhesion portion 6 includes a plurality of adhesion regions 6a, and the fragrance portion 15 is disposed between these adhesion regions 6a in a plan view. Thereby, in the package 10, the air permeability of the fragrance portion 15 is further reduced, and the volatilization of the fragrance to the outside in the folded shape of the package 10 is more effectively suppressed. Therefore, the effect of the fragrance when the package 10 is opened can be sufficiently obtained.

[0066] More specifically, as shown in FIG. 5, it is preferable that the plurality of adhesion regions 6a are arranged so as to be spaced apart left and right with the center in the lateral direction Y (vertical center line CL) interposed therebetween. Thereby, the fragrance portion 15 can be arranged along the center in the lateral direction Y between the adhesion regions 6a, and the effect of suppressing the volatilization of the fragrance in the package 10 and making the user feel the fragrance when the package 10 is opened can be more reliably obtained. Also, it is preferable that the main body adhesion portion 6 has a plurality of pairs of adhesion regions 6a. In the example shown in FIG. 5, it has two pairs of adhesion regions 6a. Thereby, in the folded shape of the package 10, it becomes more difficult for the fragrance to volatilize from the side. Further, even if a wrinkle or the like occurs in the adhesion region 6a inside the lateral direction Y and a gap is formed between this adhesion region 6a and the main body release sheet 13, the volatilization of the fragrance is suppressed by the adhesion region 6a outside the lateral direction Y. Therefore, the effect of the fragrance when the package 10 is opened can be obtained more reliably.

[0067] Furthermore, from the viewpoint of effectively suppressing the release of the fragrance to the outside even when the fragrance portion 15 is long in the longitudinal direction X, it is more preferable that the plurality of adhesion regions 6a extend in the longitudinal direction X. In the example shown in FIG. 5, each adhesion region 6a has a strip-shaped planar shape that is long in the longitudinal direction X. Note that each adhesion region 6a is configured such that, for example, the region where the adhesive is applied continuously extends in the longitudinal direction X. Alternatively, each adhesion region 6a may be configured such that a plurality of small adhesion regions extending in the lateral direction Y are arranged slightly spaced apart in the longitudinal direction X, and the aggregate of these small adhesion regions forms a strip shape that extends in the longitudinal direction X as a whole.

[0068] <Second Embodiment> In the above-described first embodiment, an example in which the end-side squeezing portion 19 has a front squeezing portion 20 and a rear squeezing portion 21 has been given, but the present invention is not limited thereto. The end-side squeezing portion 19 may have either one of the front squeezing portion 20 or the rear squeezing portion 21, and as shown in FIG. 6, it may have only the rear squeezing portion 21. In the following embodiments, for the configurations corresponding to the above-described first embodiment, the same reference numerals are given and the description thereof is omitted.

[0069] The napkin 1A (absorbent article) shown in FIG. 6 is configured as a night-time napkin, for example, assuming use at bedtime. The napkin 1A in this example may have, for example, a length in the longitudinal direction X of 30 cm or more, and may include a rear flap portion F that bulges outward in the lateral direction Y from the rear region M3 of the main body M. Note that the package 10A (absorbent article package) for packaging the napkin 1A may be folded in the longitudinal direction X by three fold lines L1, L2, and L3, and may further be folded by a plurality of fold lines, from the viewpoint of achieving a compact folded shape even when the package is long in the longitudinal direction X.

[0070] Since the rear region M3 of the napkin 1A as a night-time napkin is long in the longitudinal direction X, the region behind the linear squeezing portion 17 is likely to be long in the longitudinal direction X. Therefore, in the napkin 1A, it is preferable that the end-side squeezing portion 19 has the rear squeezing portion 21. Thereby, even when the region that can face the buttocks and the gluteal cleft is wide, peeling of the topsheet 2 in this region can be effectively suppressed.

[0071] Also, as shown in FIG. 6, the squeezing portion 16 may further include one or a plurality of auxiliary linear squeezing portions 26 that extend in the lateral direction Y. The auxiliary linear squeezing part 26 is a linear squeezing part, for example, extending from one of the left and right linear squeezing parts 17 to the other. A plurality of auxiliary linear squeezing parts 26 may be arranged. In the example shown in FIG. 6, two are arranged in the rear region M3. Further, the auxiliary linear squeezing part 26 may be arranged inside the annular structure of the linear squeezing part 17, or may be arranged outside. In the example shown in FIG. 1, one auxiliary linear squeezing part 26 is arranged inside the annular linear squeezing part 17, and one auxiliary linear squeezing part 26 is arranged outside the annular linear squeezing part 17. By arranging the auxiliary linear squeezing part 26 at the peripheral part of the linear squeezing part 17 in the longitudinal direction X, the auxiliary linear squeezing part 26 can reinforce the joint strength of the peripheral part, and the joint strength of the adhesion region 11 can be efficiently increased.

[0072] Also, in the example shown in FIG. 6, the auxiliary linear squeezing part 26 is configured to be convex rearward in the longitudinal direction X. Thereby, the length of the auxiliary linear squeezing part 26 can be increased, and the peeling prevention effect of the top sheet 2 can be further enhanced. Also, thereby, the auxiliary linear squeezing part 26 can be formed into a shape along the convex rear end part of the linear squeezing part 17, and the linear squeezing part 17 and the auxiliary linear squeezing part 26 can cooperate to efficiently enhance the peeling prevention effect of the top sheet 2.

[0073] <Third Embodiment> In the above-described first embodiment, the top sheet 2 is directly arranged on the absorber 4, but it is not limited thereto. For example, like the package 10B (absorbent article package) shown in FIG. 7, the napkin 1B (absorbent article) may further include an intermediate sheet 27 mainly made of a thermoplastic resin, which is arranged between the top sheet 2 and the absorber 4. In this case, the adhesive H in the adhesion region 11 joins the top sheet 2 and the intermediate sheet 27. The intermediate sheet 27 contains 50% by mass or more of thermoplastic fibers. The intermediate sheet 27 preferably contains 75% by mass or more, more preferably 90% by mass of thermoplastic fibers, and may be composed of only thermoplastic fibers. Thereby, the intermediate sheet 27 can be heat-sealed in the pressing process during the formation of the pressing portion 16, and can exhibit adhesiveness between the absorber 4 and the top sheet 2. Therefore, the bonding strength between the top sheet 2 and the absorber 4 in the pressing portion 16 can be more effectively increased.

[0074] <Other Embodiments> As described above, the embodiments of the present invention have been described. However, the present invention is not limited to the above-described embodiments, and it goes without saying that various changes can be made without departing from the gist of the present invention.

[0075] In the above embodiment, an example in which the fragrance portion 15 is disposed on the main body release sheet 13 has been described, but the present invention is not limited thereto. For example, the fragrance portion 15 may be disposed on the outer sheet 14. Alternatively, the fragrance portion 15 may be disposed on the napkin (absorbent article). In this case, the fragrance portion 15 is preferably disposed, for example, between the top sheet 2 and the absorber 4, between the top sheet 2 and the side sheet 5, between the absorber 4 and the back sheet 3, on the non-skin facing surface 3a of the back sheet 3, etc., on a surface other than the surface that directly touches the skin.

[0076] The planar shape of the bonding region 11 is not limited to an example formed over the entire longitudinal length X of the top sheet 2, and extends at least partially from the intermediate region M2 to the front region M1 and the rear region M3, and only needs to overlap with the end-side pressing portion 19 in plan view.

[0077] The configuration of each pressing region in the pressing portion 16 is not limited to the above example, and can take various forms. For example, the linear pressing portion 17 is not limited to an example having an annular structure, and the left and right linear pressing portions 17 may be separately arranged. For example, the rear squeezing part 21 may not have at least one of the first rear squeezing area 22, the second rear squeezing area 23, or the third rear squeezing area 24. Also, the shapes of the first rear squeezing area 22, the second rear squeezing area 23, and the third rear squeezing area 24 are not limited to the illustrated examples.

[0078] In the above embodiments, an example of a sanitary napkin is shown as the absorbent article, but it is not limited thereto. The absorbent article of the present invention may be, for example, a urine collection pad, a diaper sheet, a disposable diaper, or the like.

Explanation of Reference Numerals

[0079] 1, 1A, 1B... Napkin (Absorbent Article) 2... Top Sheet 3... Back Sheet 4... Absorbent Body M... Main Body M1... Front Region M2... Middle Region M3... Rear Region 10, 10A, 10B... Package (Absorbent Article Package) 11... Adhesive Region 12... Packaging Material 15... Fragrance Part 16... Squeezing Part 17... Linear Squeezing Part 18... Intermediate Squeezing Part 19... End Side Squeezing Part

Claims

1. An absorbent article having a main body including a top sheet mainly containing water-retentive fibers, a back sheet, and an absorbent body disposed between the top sheet and the back sheet; a packaging material for packaging the folded absorbent article; An absorbent article packaging body having a vertical direction corresponding to the front-to-back direction of a wearer of the absorbent article and a horizontal direction perpendicular to the vertical direction, The absorbent article package further includes a fragrance section in which a fragrance is disposed, The main body is divided along the longitudinal direction into a front region, a middle region facing the excretory part of the wearer, and a rear region, The top sheet is an adhesive region extending across the front region, the middle region and the rear region, the adhesive being disposed on a non-skin-facing surface; The body includes: a compressed portion in which the top sheet and the absorbent body are compressed and arranged so as to overlap the adhesive region in a plan view; The compression unit includes: A pair of linear compressed portions extending in the longitudinal direction across the front region, the middle region, and the rear region; An intermediate compressed portion disposed between the pair of linear compressed portions in the intermediate region; and an end side compressed portion disposed at a distance from the linear compressed portion to at least one of the rear and front sides in the longitudinal direction. Absorbent article packaging.

2. At least one dimension of the intermediate compression section and the end compression section in the longitudinal direction or the lateral direction is 40 mm or more. The absorbent article package according to claim 1.

3. The intermediate compression portion and the end compression portion are disposed so as to pass through the lateral center portion of the main body. The absorbent article package according to claim 1 or 2.

4. The absorbent article comprises: The absorbent further comprises an intermediate sheet mainly made of a thermoplastic resin, the intermediate sheet being disposed between the top sheet and the absorbent body. The absorbent article package according to any one of claims 1 to 3.

5. The fragrance portion is disposed in the packaging material. The absorbent article package according to any one of claims 1 to 4.

6. The body includes: The back sheet further has a main body adhesive portion disposed on a non-skin facing surface thereof, The packaging material comprises: a main body release sheet that covers the main body adhesive portion and is configured to be peelable from the main body adhesive portion; The fragrance portion is disposed on the main body release sheet. The absorbent article package according to claim 5.

7. The scenting section is disposed at the center of the main body release sheet in the lateral direction. The absorbent article package according to claim 6.

8. An absorbent article comprising a main body having a top sheet mainly containing water-retentive fibers, a back sheet, and an absorbent body disposed between the top sheet and the back sheet, the absorbent article having a longitudinal direction corresponding to the front-to-rear direction of a wearer and a lateral direction perpendicular to the longitudinal direction, The absorbent article includes a fragrance, The main body is divided along the longitudinal direction into a front region, a middle region facing the excretory part of the wearer, and a rear region, The top sheet is an adhesive region extending across the front region, the middle region and the rear region, the adhesive being disposed on a non-skin-facing surface; The body includes: a compressed portion in which the top sheet and the absorbent body are compressed and arranged so as to overlap the adhesive region in a plan view; The compression unit includes: A pair of linear compressed portions extending in the longitudinal direction across the front region, the middle region, and the rear region; An intermediate compressed portion disposed between the pair of linear compressed portions in the intermediate region; and an end side compressed portion disposed at a distance from the linear compressed portion to at least one of the rear and front sides in the longitudinal direction. Absorbent articles.

Citation Information

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