KR20190089876A - Absorbent article - Google Patents

Abstract

It is an object of the present disclosure to provide an absorbent article which can improve lateral leakage while suppressing uncomfortable feeling at the time of wearing and which is easy to improve the attachability.
The absorbent article 1 comprises a liquid permeable topsheet 3, a pair of side sheets 5 and 5 ', an absorbent body 7, a liquid-impermeable backsheet 9, And has a pair of imaginary surfaces VS and VS 'extending in the thickness direction T from the side edges 13 and 13' of the absorber 7. The side surfaces 5 and 6 ' 5 'are located between the topsheet 3 and the absorbent body 7 in the thickness direction T in the imaginary plane VS and VS', and in the area corresponding to the excretory part R3 in the longitudinal direction L And the topsheet 3 are connected via the outer ends 31 and 31 'with the imaginary planes VS and VS' as base ends P1 and P1 'and the junctions 33 and 33' And a pair of loop portions 35, 35 'joined to the side sheets 5, 5' with a pair of rollers P2, P2 '.

Description

Absorbent article

The present disclosure relates to absorbent articles such as sanitary pads, panty liners, incontinence pads, and the like.

The absorbent article such as the sanitary pad, the panty liner and the incontinence pad prevents the leakage of the body fluid of the wearer and is worn for a long period of time while being in contact with the crotch portion of the wearer. It is required to be pitched. Thus, in the conventional absorbent article, for example, the elastic side flap is provided at a position corresponding to the crotch portion of the wearer in the absorbent article to improve the fit between the absorbent article and the wearer, An absorbent article is being examined.

As such an absorbent article, for example, Patent Document 1 discloses an absorbent article which is provided between the top sheet and the back sheet to absorb a liquid permeable top sheet, a liquid impervious back sheet, The absorptive pad comprising: i) an elastic side flap along each side edge of the absorbent pad, the side flap having a pair of side edges, A loop member extending from the side edge portion and looping back toward the side edge portion, the base member having a base end having an opening near the side edge portion of the absorbent pad, a front end, a portion facing the medical (garment) And an insertion member extending into the loop member through the base end opening, the insertion member having a front end and a base end opening, An elastic member which is attached along a part of the length of the insertion member outside the base end of the insertion member and is not attached to the loop member; Wherein the absorbent pad has a seal facing the medical treatment and a seal attached to a portion of the base facing the wearer, ii) a seal adjacent to the seal line disposed along each side edge of the absorbent pad, Lt; RTI ID = 0.0 > wings < / RTI > According to the absorbent article disclosed in Patent Document 1, the fitability of the absorbent article can be improved.

Japanese Patent Publication No. 8-503638

In the conventional absorbent article disclosed in Document 1, a pair of elastic side flaps are provided along each side edge portion of the absorbent pad for the purpose of enhancing the attachment to the body during use and suppressing side leakage. However, the pair of elastic side flaps are disposed at positions away from the absorbent pad in the width direction of the absorbent article. Therefore, when the wearer wears the absorbent article and the absorbent article or the absorbent pad deforms along the shape of the crotch part of the wearer, the pair of elastic side flaps can not follow the deformation of the absorbent pad, And the side leakage can not be sufficiently suppressed in some cases. The pair of elastic side flaps are disposed adjacent to the absorbent pad in the width direction of the absorbent article, and the pair of elastic side flaps are arranged on the side edge portions of the absorbent pad and the crotch of the wearer Each side edge portion of the absorbent pad comes into contact with the crotch portion of the wearer via the liquid permeable top sheet, and the wearer may feel a sense of discomfort.

Therefore, the present disclosure aims to provide an absorbent article which is less staggered at the time of wearing, has less lateral leakage, and is excellent in fitting performance.

The absorbent article according to the present disclosure,

An absorbent article having a longitudinal direction, a width direction and a thickness direction, and having a skin facing surface and a non-skin facing surface,

The absorbent article includes a liquid permeable top sheet, a pair of side sheets, an absorbent body, a liquid impermeable back sheet, and a tacky portion for fixing the tacky,

Wherein the absorbent article has a pair of imaginary faces extending in the thickness direction from a pair of side edges of the absorbent body,

The pair of side sheets are positioned between the topsheet and the absorbent body in the thickness direction in the pair of imaginary faces,

Wherein the absorbent article has a pair of imaginary faces as a pair of base ends in a region corresponding to the excretion opening corresponding to the excretion hole in the longitudinal direction, A pair of outer ends of the outer ends in the width direction and a pair of junctions in the width direction inside the pair of outer ends as a pair of ends, And a pair of loop portions joined to the side sheets.

It is possible to provide an absorbent article which can improve lateral leakage while suppressing uncomfortable feeling at the time of wearing and which is easy to improve the attachability.

1 is a plan view of the sanitary napkin 1 according to the embodiment of the present disclosure as viewed from the side of the surface sheet in the thickness direction in a developed state.
2 is a perspective view of the sanitary napkin 1 according to the embodiment of the present disclosure in its unfolded state.
Fig. 3 is a cross-sectional view of a longitudinal section taken along the median central axis C _L extending in the longitudinal direction of the sanitary napkin 1 according to the embodiment of the present disclosure.
Fig. 4 is an enlarged cross-sectional view taken along line IV-IV in Fig. 1 with respect to the sanitary napkin 1 according to the embodiment of the present disclosure.
Fig. 5 is an enlarged view of the area X in Fig.
Fig. 6 is a schematic diagram showing a state in which the sanitary napkin 1 according to the embodiment of the present disclosure is worn.
Fig. 7 is a schematic view showing the positional relationship between the bonding portion and the end region bonding portion in the sanitary napkin 1 according to the embodiment of the present disclosure. Fig.

[Mode 1]

An absorbent article having a longitudinal direction, a width direction and a thickness direction, and having a skin facing surface and a non-skin facing surface,

The absorbent article includes a liquid permeable top sheet, a pair of side sheets, an absorbent body, a liquid impermeable back sheet, and a tacky portion for fixing the tacky,

Wherein the absorbent article has a pair of imaginary faces extending in the thickness direction from a pair of side edges of the absorbent body,

The pair of side sheets are positioned between the topsheet and the absorbent body in the thickness direction in the pair of imaginary faces,

Wherein the absorbent article has a pair of imaginary faces as a pair of base ends in the region corresponding to the excretion opening corresponding to the excretion hole in the longitudinal direction, And a pair of connecting portions which are connected to the pair of side sheets with a pair of connecting portions on the inner side in the width direction of the pair of outer end portions via a pair of outside ends existing on the outside And a pair of loop portions.

The absorbent article according to the present embodiment has a pair of loop portions having a predetermined configuration in a region corresponding to a puddle hole and the pair of loop portions are arranged in a direction in which the pair of virtual surfaces are located on the skin- The pair of loop portions are arranged so as to cover the pair of side edges of the absorbent body. Therefore, even if the wearer wears the absorbent article and the absorbent article or the absorbent article is deformed along the shape of the crotch part of the wearer, the pair of loop parts is easy to follow the deformation of the absorbent body, And easy to suppress lateral leakage. Further, the wearer hardly feels the hardness of the absorbent body due to the buffering action of the pair of loop portions located on the skin-facing surface side of the absorbent body. As a result, the absorbent article according to the present embodiment is easy to improve the fitting performance by suppressing discomfort when worn.

[Mode 2]

The absorbent article according to embodiment 1, wherein each of the pair of joining parts is located inside the width direction of the pair of imaginary faces.

In the absorbent article according to this aspect of the invention, the pair of loop portions may be formed such that a folded back surface sheet and a pair of side sheets at the pair of outer end portions are joined to each other at the inner side in the width direction of the pair of imaginary surfaces Even if the wearer wears the absorbent article and the absorbent article or the absorbent article deforms along the shape of the crotch part of the wearer, the pair of loop parts is more likely to follow the deformation of the absorbent article, It is easy to maintain adhesion, and lateral leakage can be suppressed easily. In addition, the pair of loop portions having the above-described configuration is characterized in that, as compared with the case where the topsheet and the pair of side sheets are joined at the outside in the width direction of the pair of imaginary faces, And the room to stand up to the skin-facing side increases. Therefore, the effect of the above-described action by the pair of loop portions can be more effectively exhibited. As a result, it is easy to suppress the uncomfortable feeling at the time of wearing and improve the attachability.

[Mode 3]

The absorbent article according to either of Claims 1 or 2, wherein in the pair of loop portions, the pair of base ends are not directly or indirectly bonded to the pair of ends.

In the pair of loop portions, the pair of base ends and the pair of ends are not joined together or the pair of base ends are not joined to the pair of ends through different sheet members. Therefore, The absorbent article according to the present embodiment does not have a joining portion between the pair of base ends and the pair of longitudinal ends, and it is difficult to generate a stimulus or a pressure feeling in the crotch portion of the wearer. Therefore, the absorbent article according to the present embodiment is easy to improve the fitting performance by suppressing the uncomfortable feeling when worn.

[Mode 4]

The absorbent article according to any one of the first to third aspects, wherein each of the pair of loop portions does not include an elastic member.

Since the pair of loop portions do not include the elastic member, the stimulation and pressure feeling generated in the crotch part of the wearer can be easily reduced by the contractive force of the elastic material. Therefore, the absorbent article according to the present embodiment is easy to improve the fitting performance by suppressing the uncomfortable feeling when worn.

[Mode 5]

Wherein the absorbent article has at least a pair of extending portions extending in the longitudinal direction in which at least the topsheet and the absorbent body are pressed in the region corresponding to the discharging port and inward in the width direction with respect to the pair of joined portions The absorbent article according to any one of claims 1 to 4, further comprising a compressed portion.

The absorbent article according to this embodiment has a predetermined pair of compressed portions so that the absorbent body located on the outer side in the width direction of the pair of compressed portions is likely to rise toward the skin facing surface side, The pair of loops positioned on the skin-facing surface side is more likely to rise toward the skin-facing surface. Therefore, the pair of loop portions are in close contact with the crotch part of the wearer, and the body fluids are easily absorbed, so that the lateral leakage can be easily prevented. Therefore, the effect of the above-described action by the pair of loop portions can be more effectively exhibited. As a result, it is easy to suppress the uncomfortable feeling at the time of wearing and improve the attachability.

[Mode 6]

The absorber has an absorbent polymer,

Wherein the absorbent article has a basis weight of the absorbent polymer of the absorbent body which is higher than the inside of the width direction of the pair of compressed portions, The absorbent article according to embodiment 5.

In the absorbent article according to the present embodiment, the basis weight of the water absorbent polymer is high and a large amount of the water absorbent polymer exists in the high basis weight region of the absorbent body which exists at a position outside the widthwise direction of the pair of the pressed portions. In this region, since the absorbent article has more absorbent capacity than the other regions, the absorbent article is liable to suppress lateral leakage. In the absorbent article, even if a high-basis weight area is provided at the above-mentioned position, it is difficult for the wearer to feel the hardness of the absorbent body, and furthermore, the absorbent polymer by the buffer action of the pair of loop portions. As a result, the absorbent article according to the present embodiment is easy to improve the fitting performance by suppressing discomfort when worn.

[Mode 7]

Wherein the absorbent article has a pair of longitudinal end regions adjacent to the excretory port corresponding region in a plan view (in plan view) and in the longitudinal direction,

Wherein the absorbent article has a pair of end region joints for joining the topsheet and the pair of side sheets in the pair of longitudinal end regions,

The absorbent article according to any one of claims 1 to 6, wherein the pair of end-region joined portions are located outside the pair of joined portions in the width direction.

Since the pair of joining portions and the pair of end region joining portions are in a predetermined positional relationship with each other, the pair of joining portions and the pair of outer end portions in the width direction It is easy to stand up to the skin-facing side. In addition, since it is easy to bond the topsheet and the pair of side sheets in the pair of longitudinal end regions to the outside in the width direction by the end region bonding portion, It is difficult for both the sheets in the pair of longitudinal end regions to be bent toward the center in the width direction in cooperation with the both sheets in the pair of longitudinal end regions. Therefore, the effect of the above-described action by the pair of loop portions can be more effectively exhibited. As a result, it is easy to suppress the uncomfortable feeling at the time of wearing and improve the attachability.

[Mode 8]

The absorbent article as set forth in embodiment 7, wherein the pair of end-region joined portions are embossed portions extending continuously or intermittently in the longitudinal direction.

The absorbent article according to the present embodiment is characterized in that the pair of end region joints present in the pair of longitudinal end regions are made of a predetermined embossed portion so that the absorbent article in the pair of longitudinal end regions is absorbed by the wearer It is easy to deform along the body shape of the body. Therefore, the effect of the above-described action by the pair of loop portions can be more effectively exhibited. As a result, it is easy to suppress the uncomfortable feeling at the time of wearing and improve the attachability.

[Mode 9]

Wherein the absorbent article is folded from the at least one individual packaging line extending in the width direction toward the skin facing surface side and individually wrapped by the wrapping sheet,

The absorbent article according to any one of items 1 to 8, wherein the individual packaging line is located on the end side in the longitudinal direction of the absorbent article than the pair of joints.

The absorbent article according to the present embodiment is characterized in that the individual packing line and the pair of roof portions are hardly overlapped in the longitudinal direction because the individual packing line and the pair of joining portions are in a predetermined positional relationship, It is difficult to inhibit the ease of standing to the skin-facing surface side. Therefore, the effect of the above-described action by the pair of loop portions can be more effectively exhibited. As a result, it is easy to suppress the uncomfortable feeling at the time of wearing and improve the attachability.

[Mode 10]

The absorbent article according to any one of claims 1 to 9, wherein each of the pair of loop portions is not bonded to the other portion of the inner surface.

Since the absorbent article of this embodiment has a specific structure in each of the pair of loop portions, flexibility in the loop portion is less likely to be impaired, and the effect of the above-described action by the pair of loop portions can be more effectively exhibited As a result, it is easy to suppress the uncomfortable feeling at the time of wearing and improve the mounting property.

[Mode 11]

The absorbent article according to any one of claims 1 to 10, wherein the topsheet is made of an air-through nonwoven fabric and the outer surfaces of the pair of loop portions are arranged to be air surfaces.

Since the absorbent article according to this embodiment is made of the air-through nonwoven fabric in which the topsheet is arranged in a specific form, the outer surface of the pair of loop portions has a smooth touch, and even when the wearer's crotch portion comes into contact with the loop portion, The irritation is small and it is easy to suppress the discomfort at the time of wearing and improve the attachment property.

[Mode 12]

The absorbent article according to any one of claims 1 to 11, wherein each of the pair of side sheets is made of a hydrophobic sheet.

Since the pair of side sheets are made of a hydrophobic material, the backwash of the liquid in the side region can be suppressed easily, and the discomfort during wearing can be suppressed to improve the attachability.

Hereinafter, preferred embodiments of the absorbent article of the present disclosure will be described in detail with reference to the drawings. Unless otherwise specified in this specification, " viewing an object (e.g., an absorbent article, an absorbent article or the like) placed on a horizontal plane in its expanded state from its upper side in the thickness direction " City (plan view) ".

Unless specifically stated, various directions and the like used in the present specification are as follows.

In this specification, " longitudinal direction " indicates " long direction of longitudinally long object in plan view ", and " width direction &Quot;, " thickness direction " refers to " vertical direction with respect to the object placed on the horizontal surface in the unfolded state ". The longitudinal direction, the width direction and the thickness direction thereof are orthogonal to each other.

In this specification, the term " proximal side (proximal side) relative to the transverse center axis C _L extending in the longitudinal direction in the transverse direction of a longitudinally long object (for example, an absorbent article, Quot; is referred to as " inside in the width direction ", and " the distal side (distal side) relative to the width direction central axis C _L in the width direction of the longitudinally long object "Quot; outside "

In this specification, " one side which becomes relatively proximal to the wearer's abdomen when the wearer wears the absorbent article in the longitudinal direction of the absorbent article " is referred to as " the front side of the absorbent article " (I.e., the proximal side relative to the wearer's back) relative to the abdomen of the wearer when the wearer wears the absorbent article in the longitudinal direction of the article is referred to as " the back side of the absorbent article " .

In the present specification, unless otherwise stated, in the thickness direction of the absorbent article, " the proximal side relative to the skin-facing side of the wearer when wearing the absorbent article " is referred to as " skin- When the absorbent article is worn, the distal side relative to the skin facing surface of the wearer is referred to as the " non-skin facing surface side ". In the present specification, the terms "skin-facing surface side" and "non-skin-facing surface side surface" of various members (for example, surface sheet, absorbent body, back sheet, etc.) constituting the absorbent article are simply referred to as " Skin facing surface " and " non-skin facing surface ".

[Embodiment Mode]

[Basic structure of absorbent article]

1 is a plan view of the sanitary napkin 1 according to the embodiment of the present disclosure as viewed from the side of the surface sheet in the thickness direction in a developed state. 2 is a perspective view of the sanitary napkin 1 according to the embodiment of the present disclosure in its unfolded state. Fig. 3 is a cross-sectional view of a longitudinal section taken along the median central axis C _L extending in the longitudinal direction of the sanitary napkin 1 according to the embodiment of the present disclosure. Fig. 4 is an enlarged cross-sectional view taken along line IV-IV in Fig. 1 with respect to the sanitary napkin 1 according to the embodiment of the present disclosure. Fig. 5 is an enlarged view of the area X in Fig. 1, the upper side of the figure corresponds to the front side of the absorbent article, and the lower side of the figure corresponds to the back side of the absorbent article.

As shown in Figs. 1 to 5, the sanitary napkin 1 according to the present embodiment has a vertically elongated outer shape having a longitudinal direction L and a lateral direction W in plan view.

As shown in Figs. 1 to 5, the sanitary napkin 1 includes a liquid-permeable topsheet 3 positioned on the most skin-facing side of the sanitary napkin 1 in the thickness direction T, A hydrophobic side sheet 5 and 5 'located on the non-skin facing side of the topsheet 3 and an absorbing body 7 located on the non-skin facing side of the side sheets 5 and 5' Skin facing surfaces of the backsheet 9 and a plurality of adhered adhesive portions 9 which continuously or intermittently extend in the width direction W and which are arranged on the non-skin-facing surface of the backsheet 9, (11).

The sanitary napkin 1 is configured to absorb and hold liquid excretions such as menstrual blood and urine discharged from a wearer in the thickness direction T while absorbing the liquid excretion in the absorbent 7.

The sanitary napkin 1 according to the present embodiment has a pair of imaginary planes extending in the thickness direction T from a pair of side edges 13, 13 'of the absorber 7 extending in the longitudinal direction L, (VS, VS ').

The sanitary napkin 1 further includes a main body region R1 positioned inside the pair of imaginary planes VS and VS 'in the width direction W and a pair of imaginary planes VS, Side regions R2 and R2 'located on the outer sides of the first and second side walls VS' and VS ', respectively. The sanitary napkin 1 is also provided with a discharging port corresponding region R3 positioned inside the individual packing lines L1 and L2 to be described later in the longitudinal direction L and a discharging port corresponding region R3 And a longitudinal end region (R4, R4 ') located on the outer side. That is, in plan view, the pair of longitudinal end regions R4 and R4 'are adjacent to the excretoryport corresponding region R3 in the longitudinal direction L.

The sanitary napkin 1 according to the present embodiment is bonded to an individual package sheet 15 with an adhesive or the like through a release sheet (not shown). The sanitary napkin 1 is folded toward the skin facing surface side together with the individual package sheet 15 and the release sheet in each of the individual packaging lines L1 and L2 extended in the width direction W , And the individual package sheet 15 is fixedly attached to the fixed attachment portion 17 to form an individual package.

In addition, the number of individual packaging lines in this embodiment is two, but the number of individual packaging lines of the absorbent article of the present disclosure is not limited to this and may be three or more.

Here, in the present specification, the "excretory port corresponding region" refers to a region including a region opposed to or in contact with the excretion of the wearer when the absorbent article is worn, and the type and use of the absorbent article (specifically, urine The type of liquid excrement such as feces, menstrual blood, the age and sex of the wearer, etc.).

In the case where the absorbent article is a sanitary pad which is folded and opened individually in the individual packaging line, the "area corresponding to the excretion hole" means a region corresponding to the area between the first and second individual packaging lines in front of the sanitary pad As shown in FIG.

Further, the excretory port-corresponding region is generally located at a position near the center of the absorbent article in the longitudinal direction or near the front side (for example, when the absorbent article has the absorbent body portion and the flap portion, In the case where the absorbent article is composed of an absorbent body portion having a constricted portion narrowed inward in the width direction at a substantially central portion in the longitudinal direction at a position near the front side overlapping with the flap portion in the longitudinal direction of the absorbent article, In the case where the absorbent article is composed of an elongated absorbent body portion at a position corresponding to the constricted portion of the main body portion and the absorbent article has a substantially central portion extending across the longitudinal central axis extending in the width direction of the absorbent body portion Position of the absorbent article, wherein the length in the longitudinal direction of the absorbent article is at least about 1/3 of the length in the longitudinal direction, For example, when the absorbent article is a night pad or the like, the length in the lengthwise direction of the excretory port-corresponding region is set to be less than 1/3 of the total length in the longitudinal direction of the absorbent article. .

The sanitary napkin 1 according to the present embodiment is characterized in that each of the side regions R2 and R2 'in the width direction W and the area of the discharge port corresponding region R3 in the longitudinal direction L And a substantially trapezoidal flap portion 19, 19 'extending outward in the width direction W at a position near the front side.

1 to 5, each of the pair of flap portions 19, 19 'is formed so as to extend in the thickness direction T of the side sheet 5 , A backsheet 9 positioned on the non-skin-facing side of the side sheets 5 and 5 'and a backsheet 9 extending in the longitudinal direction L disposed on the non- And adhesive portions 21 and 21 'for fixation.

The sanitary napkin 1 has at least a non-skin facing surface of a portion corresponding to the main body region R1 in the entire longitudinal direction L and in the width direction W (21, 21 (21), 21 (21, 21 ') while folding back a pair of flap portions (19, 19') on the side of the non-skin facing side of the undergarment after being attached to the skin- ') To the non-skin-facing side of the undergarment, it is fixed to the undergarment. Therefore, when the sanitary napkin 1 is worn, the non-skin-facing surfaces of the pair of flap portions 19 and 19 'become faces facing the wearer's skin.

Here, in order to fix the sanitary napkin 1 to the undergarment of the wearer, it is preferable that the adhesive in the portion corresponding to the main body region R1 in the whole width in the longitudinal direction L and in the width direction W The adhesive used for the adhesive portions 21 and 21 'in the portion 11 and the flap portions 19 and 19' is not particularly limited as long as it can fix the sanitary napkin 1 to the undergarment of the wearer, For example, an arbitrary pressure-sensitive adhesive such as a styrene-based polymer can be used. In addition, since the pair of flap portions are not essential elements in the present disclosure, the absorbent article of the present disclosure does not need to have the pair of flap portions.

In the sanitary napkin 1, as described later, the topsheet 3 and the absorbent body 7 are pressed in the thickness direction T and the pair of imaginary faces And a pair of crimping portions 23 and 23 'extending along the curved lines VS and VS'.

Hereinafter, various members constituting the absorbent article of the present disclosure will be described in more detail using the sanitary napkin 1 according to the above embodiment.

[Surface sheet]

In the sanitary napkin 1 according to the present embodiment, as shown in Figs. 1, 3, and 4, the topsheet 3 is formed by laminating the entire region of the longitudinal direction L, Permeable sheet member which is disposed on the side of the skin facing surface in the thickness direction T in the region including a part of the region R1 and the side regions R2 and R2 'and is in direct contact with the skin- . In the present embodiment, the topsheet 3 is constituted by a two-layer structure of a first sheet 3a positioned on the skin-facing surface side and a second sheet 3b positioned on the non-skin-facing surface side .

The liquid-permeable sheet member constituting the topsheet 3 is not particularly limited as long as it has various properties (for example, liquid permeability, flexibility, touch, etc.) usable as a topsheet of the absorbent article, For example, nonwoven fabrics such as spunlaced nonwoven fabrics and air-through nonwoven fabrics formed using hydrophilic fibers such as cellulose fibers or thermoplastic resin fibers subjected to hydrophilization treatment can be used. Among them, the first sheet 3a of the topsheet for use in the absorbent article of the present disclosure is preferably made of an air-through nonwoven fabric from the viewpoint of tactile feeling as described later, and the topsheet 3 of the present embodiment, Is also formed by an air-through nonwoven fabric.

On the other hand, the second sheet of the topsheet is preferably a so-called secondary sheet, and the second sheet is preferably a liquid-permeable fiber sheet whose constituent fibers are synthetic fibers. It is preferable that the second sheet is an air-through nonwoven fabric in which the crossing points of the crossed synthetic fibers are bonded by thermal fusion of air through method. In addition to the air-through nonwoven fabric, a point bond nonwoven fabric, a spunbond nonwoven fabric, a spun lace nonwoven fabric, or the like may be used. If the second sheet is through-air bonded nonwoven fabric, the basis weight is preferably within a range of ^{15g / m 2 ~40g / m 2} .

The topsheet 3 in the present embodiment is constituted by the two-layer structure of the first sheet 3a and the second sheet 3b, but in the absorbent article of the present disclosure, And in the absorbent article of the present disclosure, the topsheet may be formed of only the first sheet. In the absorbent article of the present disclosure, the second sheet (second sheet) may be a sheet member in which the absorbent article is provided as a constituent member different from the surface sheet.

1 to 5, in the sanitary napkin 1 according to the present embodiment, the topsheet 3 is provided over the entire width direction W of the main body region R1, (Ridge groove) structure parallel to the longitudinal direction L over the entire length in the longitudinal direction L of the body 1. The topsheet 3, however, does not have the structure of the descriptor at the portion extending outward from each of the pair of virtual surfaces VS and VS '. More specifically, the topsheet 3 is provided with a plurality of ridges 27 and a plurality of ridges 29 extending in the longitudinal direction L, and one of the plurality of ridges 27 The groove portions 27 and one of the plurality of groove portions 29 are arranged so as to be alternately arranged in the width direction W. [ That is, the top surface sheet 3 has a plurality of groove portions 29 extending in the longitudinal direction L and juxtaposed in the width direction W and a plurality of groove portions 29 in the width direction W, (27) extending between adjacent two groove portions (29).

In the sanitary napkin 1 according to the present embodiment, the plurality of groove portions 29 are embossed portions formed by heat emboss processing. In the heat embossing treatment, a plurality of mutually spaced portions of the surface of the topsheet 3 located on the skin-facing surface side are compressed in the thickness direction T and heated. Thereby, the topsheet 3 is integrally formed with the first sheet 3a and the second sheet 3b, and the groove 29 having a predetermined depth is formed.

The concavo-convex structure of the absorbent article of the present disclosure can be formed by the method described in, for example, Japanese Patent Application Laid-Open Nos. 2009-279098 and 2010-1154749. The pitch of the embossed portion (that is, the interval of the groove portion) is usually 0 to 10 mm, preferably 0.5 to 2 mm in the longitudinal direction, and 0.1 to 10 mm, preferably 1 to 4 mm in the width direction. The depth of the embossed portion is 0.1 to 5 mm, preferably 0.1 to 1 mm.

In this specification, the height or the thickness of the object (such as a web portion, a loop portion, etc.) is measured as follows. This measurement is carried out in a non-contact manner by using a laser displacement gauge (for example, a high-precision two-dimensional laser displacement meter LJ-G series (model: LJ-G030) manufactured by KEYENCE CORPORATION). The absorbent article including the object is placed on a horizontal measuring table and the other five portions of the object are measured with a laser displacement meter for displacement from the measuring point and the average value of the five measured values is taken as the height or thickness (mm) .

The liquid discharged from the wearer is likely to diffuse in the longitudinal direction of the absorbent article while being difficult to diffuse in the width direction as compared with the longitudinal direction and thus is less likely to leak. Further, since the surface sheet has the above-described effector structure, a rigidity difference is generated at the boundary between each of the ridges and the respective groove portions, so that it is easy to induce the deformation of the absorbent article in the width direction according to the wearer's body shape.

It is preferable that the surface sheet of the absorbent article of the present disclosure has a concavo-convex structure in view of achieving the above-mentioned action and effect. However, the concavo-convex structure may not necessarily be provided.

The size of the topsheet is not particularly limited as long as it is capable of covering the skin-facing surface of the absorbent body and forming a pair of loop portions to be described later. Any size of the absorbent article, Can be adopted. The basis weight of the topsheet is not particularly limited as long as it does not inhibit the effect of the present disclosure, for example, 5g / m ^2, but may be employed a basis weight in the range of ~100g / m ^2, a liquid-permeable and flexible, etc. a basis weight in the range of 20g / m ² ~50g / m ² is preferable in terms of. Further, in the present specification, the basis weight can be measured according to 5.2 of JIS L 1906.

[Absorber]

Next, the absorber usable for the absorbent article of the present disclosure will be described. In the sanitary napkin 1 according to the present embodiment, as shown in Figs. 1, 3, 4 and 5, the absorbent body 7 is formed in the thickness direction T in such a manner that the topsheet 3 and the backsheet 9 and absorbing and holding the liquid excretion of the wearer that has permeated the topsheet 3. The liquid absorbent member 1 absorbs and holds the liquid excretion of the wearer. As shown in Fig. 1, the absorber 7 has, in plan view, longitudinally extending longitudinally opposite ends of the front and rear sides in the longitudinal direction L, And is disposed so as to extend from the discharging port corresponding region R3 to the longitudinal end regions R4 and R4 'in the longitudinal direction L of the sanitary napkin 1.

In the absorbent article of the present disclosure, the absorbent is not particularly limited, and any absorbent known in the art can be used. Such an absorber may include, for example, an absorbent material including absorbent fibers such as pulp and / or absorbent polymer (SAP). The basis weight of the absorber is, for example, 20 to 1000 g / m ² , preferably 50 to 800 g / m ² . When the absorber includes the water absorbent polymer, the basis weight of the water absorbent polymer is, for example, 50 to 500 g / m ² , and preferably 100 to 400 g / m ² as the whole absorbent body.

In addition, the absorbent article of the present absorbent article may include a liquid-pervious cover sheet (so-called core wrap) such as at least one tissue.

In the absorbent article of the present disclosure, the thickness of the absorbent article is not particularly limited as long as the effect of the present disclosure is not impaired. For example, the thickness of the absorbent article may be within the range of 0.1 mm to 10 mm. The thickness within the range of 0.3 mm to 3 mm is preferable.

Further, in the present disclosure, the absorber is not limited to the above-described embodiment, and the absorber may have any outer shape such as a rectangular shape, a long circular shape, an hourglass shape, or the like, Or may be disposed in the vicinity of the rear or near the front of the direction. However, in the case where the absorbent core made of the absorbent material including the absorbent fiber such as pulp and / or the super absorbent polymer has the hourglass shape, that is, the shape which is narrowed in the width direction The entire absorber may have a rectangular or elliptical outer shape in view of the productivity of the absorber (more specifically, the efficiency in the cutting process of the liquid-permeable cover sheet).

In the modified example of the sanitary napkin 1 according to the present embodiment, the absorber has an hourglass-like outer shape. In this modified example, the absorber has a pair of constricted portions narrowed in the width direction W in at least a part of the excretory port corresponding region R3 in the longitudinal direction L. More specifically, the pair of constricted portions are formed so that, in plan view, each of the side edges extending in the longitudinal direction (L) of the absorbent article is narrower than the other portion in the width direction (W) Respectively.

In this modified example, since the absorber has the constricted portion, it is easy to suppress the chance of contact between the absorber and the crotch part of the wearer in the area corresponding to the excretory port, and at the same time when the absorber has a high chance of contact with the crotch part of the wearer And the hardness of the absorbent body is hardly transmitted to the crotch part of the wearer, so that it is easy to suppress discomfort when worn.

[Side sheet]

The side sheets 5 and 5 'of the sanitary napkin 1 according to the present embodiment are arranged in the longitudinal direction L in the body region R1 as shown in Figs. 1, 4 and 5 Extends from the region extending in the longitudinal direction L to the side regions R2 and R2 'in the widthwise direction W in the vicinity of the extended two side edges and extending in the entire width direction of the longitudinal direction L, And a hydrophobic sheet member for preventing leakage of excretion. The pair of side sheets 5 and 5 'are positioned in the thickness direction T between the topsheet 3 and the absorbent 7 in a pair of imaginary planes VS and VS' do. One side edge portion extending in the longitudinal direction L of the side sheets 5 and 5 'has a pair of side edges 13 and 13 extending in the longitudinal direction L of the absorbent body 7 And the other side edge portion is bonded to the skin-facing surface of the backsheet 9 in the flap portions 19 and 19 '.

Since the pair of side sheets 5 and 5 'are made of a hydrophobic material in the sanitary napkin 1, it is easy to suppress backward flow of the liquid in the side regions R2 and R2' It is easy to improve the mountability.

The side sheet in the absorbent article of the present disclosure is not limited to the above-described embodiment, but may be a nonwoven fabric, polyethylene having air permeability, or the like as long as it has properties (hydrophobicity, flexibility, etc.) usable as a side sheet of the absorbent article A known side sheet member such as a resin film such as polypropylene or a thermoplastic resin sheet can be used.

[Loop section]

As shown in Figs. 1, 2, 4 and 5, the sanitary napkin 1 according to the present embodiment is characterized in that the topsheet 3 is provided in the discharging port corresponding region R3 in the longitudinal direction L, A pair of imaginary planes VS and VS 'are formed as a pair of base ends and a pair of outer ends 31 and 31' existing outside the width direction W with respect to the pair of imaginary planes VS and VS ' And a pair of joining portions 33 and 33 'on the inner side in the width direction W of the pair of outer ends 31 and 31' via a pair of side sheets 5 ', 5') are provided on the outer circumferential surfaces of the pair of loop portions 35, 35 '.

In the sanitary napkin 1 according to the present embodiment, the pair of loop portions 35 and 35 'are formed in such a manner that a pair of imaginary planes VS and VS' P1 and P1 'and the topsheet 3 having the joining portions 33 and 33' at the ends P2 and P2 'are folded back in a loop shape. The outer ends 31 and 31 'of the topsheet 3 folded back are located at the outermost positions in the width direction W of the pair of loop portions 35 and 35' The discharge port corresponding area R3 in the width direction W extends in the longitudinal direction L in each of the pair of side areas R2 and R2 '

As shown in Fig. 5, the joints 33 and 33 'are formed on the inner side of the widthwise direction W of the imaginary planes VS and VS' of the main body region R1 and on the imaginary planes VS and VS ' In the vicinity of the width direction W of the topsheet 3 and the side sheets 5 and 5 ', respectively. In the absorbent article of the present disclosure, the distance in the width direction between the joined portion and the side edge extending in the longitudinal direction of the absorbent article is preferably 2 to 25 mm, more preferably 5 to 15 mm. From the viewpoint of ensuring the cushioning property of the pair of loop portions as described below.

In the absorbent article of the present disclosure, the distance in the width direction between each of the pair of imaginary faces serving as the base ends of the pair of loop portions and the outer end portion is preferably 5 to 35 mm, Is 8 to 30 mm. From the viewpoint of ensuring the cushioning property of the pair of loop portions as described below.

In the absorbent article of the present disclosure, it is preferable that the length in the longitudinal direction of the pair of loop portions is extended over at least a part of the side region in the width direction and a region corresponding to the excretion hole in the longitudinal direction . As described above, at the outer ends of the pair of loop portions where the topsheet is likely to contact the crotch portion of the wearer, the pair of loop portions are formed so that the topsheet protrudes outward in the width direction at least in the region corresponding to the discharge port The absorbent article of the present disclosure has a suitable cushioning property and it is difficult to stimulate the crotch part of the wearer as described below.

The maximum height of the pair of loop portions in the absorbent article of the present disclosure is preferably 5 to 40 mm, more preferably 10 to 35 mm in a natural state. From the viewpoint of ensuring the cushioning property of the pair of loop portions as described below.

Here, in this specification, the maximum height of the object (the loop portion, the area corresponding to the excretion hole, etc.) means the maximum height of the object from the horizontal reference plane on which the absorbent article is placed, and can be measured by the laser displacement meter. The natural state of the absorbent article refers to a state in which no external force other than the gravity of the absorbent article in a developed state of the absorbent article is applied.

In the sanitary napkin 1, the maximum height of the pair of loop portions 35, 35 'in the natural state is the maximum height of the sanitary pad corresponding region R3 (that is, (The height of the highest position in the ridge portion 27 in the concavo-convex structure of the topsheet 3 from the mounted horizontal reference plane). With this configuration, since each of the pair of loop portions 35, 35 'is easily deformed in accordance with the shape of the crotch part of the wearer, hardness and irritation of the absorbent body of the crotch part of the wearer are hardly felt, It is easy to suppress discomfort.

Each of the pair of loop portions in the absorbent article of the present disclosure preferably has a thickness in the thickness direction T of 2.0 to 8.0 Nm / m ^2, it has a WC (compression energy) and more preferably, 3.0~6.0N · m / m ^2, is still more preferably 3.5~5.5N · m / m ^2.

The WC (compression energy) means that the larger the value, the more easily the compression is performed. By providing a sample of the absorbent article to a compression property evaluation test by an automated compression tester "KES FB-3A" (manufactured by KATO TECH CO., LTD. can do. At this time, the compressors of the tester are to be measured by fitting the center thereof to the central portion in the width direction of the loop portion. The measurement conditions of the compression characteristics evaluation test are as follows.

SENS: 2

Speed: 0.02mm / sec

Stroke: 5mm / 10V

Compressor area: 2 cm ²

Introducing interval: 0.1 second

Upper load: 50 gf / cm ²

Number of iterations: 1

When the WC (compression energy) in the thickness direction T of each of the pair of loop portions is in the above-described numerical range, each of the pair of loop portions in the width direction (W) It is considered that cushioning properties suitable for the absorbent article can be exhibited.

Here, the function and effect of having the pair of loop portions 35, 35 'in the sanitary napkin 1 according to the present embodiment will be described. Fig. 6 is a schematic diagram showing a state in which the sanitary napkin 1 according to the embodiment of the present disclosure is worn.

6, when the wearer attaches the sanitary pad 1 to the shorts S and wears the sanitary pad 1, the wearer's crotch part wears the sanitary pad 1 in the width direction . Since the sanitary napkin 1 is provided with the pair of loop portions 35 and 35 'as described above, the pair of loop portions 35 and 35' are formed in the width direction W, rather than the absorbent body 7, 35 'are pushed outward and the pair of loop portions 35, 35' cover the pair of side edges 13, 13 'of the absorber 7. Therefore, even if the wearer pads the physiological pad 1 and the physiological pad 1 to the absorbent body 7 are deformed along the shape of the crotch part of the wearer, the pair of loop parts 35, 35 ' 7), so that it is easy to maintain adhesion with the wearer. Therefore, the sanitary napkin 1 according to the present embodiment is easy to suppress lateral leakage.

When the wearer's crotch part pad 1 is pressed in the width direction, the pair of loop portions 35 and 35 'are formed in the crotch part of the wearer so as to make it hard to feel the hardness of the absorber 7, . That is, when the wearer's crotch part pad 1 is pressed in the width direction, before the abdomen 7 abuts on the crotch part of the wearer, the crotch part of the wearer is cushioned by the crotch part 35 of the pair of loop parts 35, 35 ' (I.e., softness or repulsive force). When the wearer's crotch part pad 1 is further pressed in the width direction, the crotch part of the wearer is pulled by the pair of loop parts 35, 35 'until the abdomen 7 comes into contact with the crotch part of the wearer. It is easy to feel the cushion property of the cushion gradually more strongly. As a result, even when the wearer's crotch part pad 1 is further pressed in the width direction, even when the abdomen 7 abuts against the crotch part of the wearer, Compared with the case where the hardness of the absorber is transmitted to the crotch part of the wearer without feeling the cushioning property of the pair of loop parts, It is possible to make the crotch part of the wearer hard to feel the hardness of the absorbent body. Therefore, with the above configuration, it becomes difficult for the hardness of the absorbent body 7 to be transmitted to the crotch part of the wearer. In addition, in the sanitary napkin 1 according to the present embodiment, the pair of loop portions 35, 35 'are arranged at positions closer to the skin-facing surface than the absorbent 7, The pair of loop portions 35 and 35 'pushed outward beyond the absorbent body 7 can be flexed so as to collapse in the width direction W depending on the shape of the crotch part of the wearer The cushioning property of the pair of loop portions 35 and 35 'is likely to be felt by the crotch part of the wearer because the deforming is easy and the deforming is hardly inhibited by the absorber 7. [

As described above, the sanitary napkin 1 according to the present embodiment suppresses discomfort at the time of wearing and improves the ease of attachment.

5, in the pair of loop portions 35, 35 'of the sanitary napkin 1 according to the present embodiment, the pair of base ends P1, P1' P2, and P2 ') are not directly or indirectly bonded. In the thickness direction T, a pair of base ends P1 and P1 'and a pair of ends P2 and P2' are spaced apart from each other by air.

As described above, in the pair of loop portions 35 and 35 ', the pair of base ends P1 and P1' and the pair of ends P2 and P2 'are not joined to each other, P1 and P1 'are not joined to the pair of ends P2 and P2' via the other sheet members, the sanitary napkin 1 has a pair of base ends P1 and P1 ' It does not have a joining portion with the ends P2 and P2 ', and it is difficult to generate irritation or pressure in the crotch part of the wearer. Therefore, the sanitary napkin 1 is easy to reduce the discomfort when worn and improve the attachability.

In the sanitary napkin 1 according to the present embodiment, each of the pair of loop portions 35, 35 'does not include an elastic member. With this configuration, the sanitary napkin 1 is easy to reduce irritation and tightness that occur in the crotch part of the wearer due to the contractive force of the elastic material.

Further, in the absorbent article of the present disclosure, the fact that each of the pair of loop portions does not include the elastic member means that the elastic member disposed in each of the pair of loop portions, and the elastic member disposed inside each of the pair of loop portions Quot; elastic member "

In the sanitary napkin 1 according to the present embodiment, as shown in Figs. 4 and 5, each of the pair of loop portions 35 and 35 'is formed as the base end portions P1 and P1' Between the pair of imaginary planes VS and VS 'and the junctions 33 and 33' serving as the ends P2 and P2 ', the upper loop portions 37 and 37' And lower loop portions 39 and 39 'located on the non-skin-facing side.

2, 4, and 5, each of the pair of loop portions 35, 35 'is formed of a pair of imaginary faces VS, 31 'from the outer ends 31, 31' to the skin-facing surfaces VS ', VS' to the outer ends 31, 31 '. The lower loop portions 39 and 39 'located on the non-skin facing surfaces of the pair of loop portions 35 and 35' are spaced apart from the side sheets 5 and 5 '.

Since the pair of loop portions 35 and 35 'have such a shape, each of the pair of loop portions 35 and 35' is easily deformed according to the shape of the wearer's crotch portion. Therefore, It is difficult to feel the hardness of the absorbent body 7, so that the sanitary napkin 1 is easy to restrain discomfort when worn and improve the attachability.

In the sanitary napkin 1 according to the present embodiment, each of the pair of loop portions 35 and 35 'has an outer surface ES (that is, skin facing surfaces of the upper loop portions 37 and 37' Skin facing surfaces of the upper loop portions 37 and 37 'and the lower loop portions 39 (39 ' and 39 ') and the inner surface IS , 39 ') which is not exposed to the outside. Each of the pair of loop portions 35 and 35 'is formed so that one portion of the inner surface IS is not bonded to the other portion, that is, the inner surfaces IS are not bonded to each other, And a certain amount of air is contained in the air. Therefore, the upper loop portions 37 and 37 'and the lower loop portions 39 and 39' have a soft feeling and are less susceptible to impairment of flexibility, so that the wearer can easily place the sanitary napkin 1 in the width direction W, the cushioning function that makes it difficult to feel the hardness of the absorber 7 can be ensured more reliably. Further, since the inner surfaces IS are not joined, the flexibility of the pair of loop portions 35, 35 'is not impaired, and hardness and irritation of the absorber 7 to which the crotch part of the wearer is subjected are hardly felt, It is easy to suppress discomfort when worn.

In the sanitary napkin 1 according to the present embodiment, as described above, the topsheet 3 is formed of an air-through nonwoven fabric.

Here, the air-through nonwoven fabric or the spunlaced nonwoven fabric may be formed by a process of forming a web by dropping and depositing fibers laid in an air stream on the net at the time of its production, A non-woven fabric which has passed through a process of penetrating a high-pressure water stream and subjected to a web bonding process, that is, a nonwoven fabric produced using a net. From the characteristics of such a manufacturing process, And a surface (air surface) opposite to the net surface, which is not in contact with the net but directly contacted with hot air or high-pressure water. Such a nonwoven fabric having a net surface and an air surface has a lower fiber density than the net surface on the air surface side and has a soft touch.

In the present embodiment, the topsheet 3 is arranged so that the outer surface ES of each of the pair of loop portions 35, 35 'is an air surface.

Since the topsheet 3 in the sanitary napkin 1 according to the present embodiment is made of the air-through nonwoven fabric arranged in the above-described specific form, the outer surface ES of the pair of loop portions 35, 35 ' Even when the crotch portion of the wearer is brought into contact with the pair of loop portions 35 and 35 ', there is little irritation to the skin, and it is easy to suppress discomfort at the time of wearing.

5, the end portions 41 and 41 'in the width direction W of the second sheet (the second sheet) 3b are made of the same material as that of the sanitary napkin 1 according to the present embodiment, And the end portions 41 and 41 in the width direction W of the second sheet (second sheet) 3b overlap each other in the thickness direction T with respect to each of the pair of loop portions 35 and 35 ' 'Are present in each of the pair of side regions R2 and R2' and are not bonded to the inner surface IS of the pair of loop portions 35 and 35 '.

In the sanitary napkin 1 according to the present embodiment, the second sheet (the second sheet) 3b is arranged in the above-described specific form in relation to the pair of loop portions 35, 35 ' The presence of the two sheets (second sheet) 3b makes it difficult for the pair of loop portions 35 and 35 'to collapse, and the flexibility thereof is hardly damaged. As a result, the hardness and irritation of the absorber to which the crotch part of the wearer is subjected is hardly felt, and it is easy to suppress discomfort at the time of wearing.

5, in the sanitary napkin 1 according to the present embodiment, each of the pair of joint portions 33, 33 'is formed so as to extend in the width direction (more specifically, W).

In the sanitary napkin 1, the pair of loop portions 35 and 35 'are formed by folding back the topsheet 3 and the pair of side sheets 5 and 5' at the pair of outer ends 31 and 31 ' 5 'are joined inside the width direction W of the pair of imaginary surfaces VS, VS', the wearer wears the physiological pad 1, and the physiological pads 1, Even if the absorbent body 7 is deformed according to the shape of the crotch part of the wearer, the pair of loop parts 35, 35 'are more likely to follow the deformation of the absorbent body 7 and easy to maintain adhesion with the wearer, It is easy to suppress lateral leakage. The pair of loop portions 35 and 35 'having such a configuration are formed such that the topsheet 3 and the pair of side sheets 5 and 5' The outer circumferential length of the width direction W becomes longer as compared with the case where it is joined outside the width direction W, and the room to stand up to the skin facing side increases.

Fig. 7 is a schematic view showing the positional relationship between the joint portions 33 and 33 'and the end region bonding portion in the sanitary napkin 1 according to the embodiment of the present disclosure.

In the present embodiment, the topsheet 3 and the pair of side sheets 5, 5 'are joined to the pair of joining portions 33, 33' While the topsheet 3 and the pair of side sheets 5 and 5 'are joined to each other in the pair of longitudinal end regions R4 and R4' in the longitudinal direction L Are joined by the end region bonding portions 43 and 43 '.

The pair of joining portions 33 and 33 'in the present embodiment are arranged in the excretoryport corresponding area R3 in the longitudinal direction L (i.e., between the individual packaging lines L1 and L2) However, the pair of joint portions in the present disclosure may be arranged continuously or intermittently as long as they are in the region corresponding to the discharge port in the longitudinal direction. On the other hand, the pair of end region joint portions 43 and 43 'in the present embodiment are continuously extended in the longitudinal end regions R4 and R4' in the longitudinal direction L, May be continuously or intermittently disposed as long as they are in the longitudinal direction end region in the longitudinal direction.

7, the pair of end zone bonding portions 43 and 43 'are located outside the pair of bonding portions 33 and 33' in the width direction W. As shown in FIG. As described above, in the sanitary napkin 1, since the pair of joining portions 33, 33 'and the pair of end region joining portions 43, 43' are in a predetermined positional relationship, the pair of loop portions 35 And 35 'are easy to secure a distance in the width direction W between the pair of joining portions 33 and 33' and the pair of outer end portions 31 and 31 '. The topsheet 3 and the pair of side sheets 5 and 5 'in the pair of longitudinal end regions R4 and R4' are joined in the width direction by the end region joining portions 43 and 43 ' Both the sheets in the pair of longitudinal end regions R4 and R4 'are unlikely to be turned toward the center in the width direction and the pair of loop portions 35 and 35' , It is easy to inhibit the rollers from being bent toward the center in the width direction in cooperation with both the sheets in the pair of longitudinal end regions R4 and R4 '.

In the absorbent article of the present disclosure, the position in the width direction of the end region bonding portion may be either outside or inside in relation to the imaginary plane. However, from the viewpoint of preventing the above- It is preferable to be located on the outer side in the width direction.

It is preferable that the pair of end-region joined portions in the present disclosure are embossed portions extending continuously or intermittently in the longitudinal direction. The embossed portion may be formed by a heat embossing process or the like similarly to the embossed portion forming the groove portion in the topsheet.

When the pair of end-region joined portions are made of embossed portions, the absorbent article in the pair of longitudinal end regions tends to deform along the wearer's body shape.

7, the individual package lines L1 and L2 are formed so as to be closer to the sanitary pads 1 and 2 than to the pair of the junctions 33 and 33 'in the sanitary napkin 1 of the present embodiment, (L) in the longitudinal direction. With this configuration, it is difficult for the individual package lines L1 and L2 and the pair of loop portions 35 and 35 'to overlap in the longitudinal direction L, and the pair of loop portions 35 and 35' It is difficult to inhibit the ease of standing to the skin-facing surface side.

[Crimp portion]

As shown in Figs. 1, 2 and 4, the sanitary napkin 1 according to the present embodiment has at least an area in the discharging port corresponding area R3, which is not an essential component in the absorbent article of the present disclosure, A pair of pressing portions 23 extending in the longitudinal direction L and pressing the topsheet 3 to the absorbent body 7 inward in the width direction W from the pair of joining portions 33 and 33 ' , 23 ').

With this configuration, the absorber 7 positioned on the outer side in the width direction W of the pair of the pressing portions 23, 23 'is likely to rise toward the skin-facing side, and the absorber 7 The pair of loop portions 35, 35 'positioned on the skin-facing surface side are more likely to rise toward the skin-facing surface. Therefore, the pair of loop portions 35, 35 'are in close contact with the crotch portion of the wearer and easily absorb body fluids, so that lateral leakage can be easily prevented. In addition, as described above, the sanitary napkin 1 does not include elastic members in each of the pair of loop portions, so that even if the pair of loop portions 35, 35 'rise to the skin-facing surface side, It is easy to reduce the irritation or the pressure feeling that is generated in the part.

In addition, in the absorbent article of the present disclosure, the pair of compressed portions are not limited to those of the above-described embodiment, and may be provided only in a part in the lengthwise direction of the excretory port corresponding region of the absorbent article. Further, the pair of crimping portions may be provided in the entire or a part of the longitudinal end region in the longitudinal direction. Even in such a case, in the absorbent article, since the vicinity of the side edge portions extending in the longitudinal direction of the absorbent article from the pair of pressed portions becomes easier to rise toward the skin facing surface side, It is easy to rise to the opposite surface side. As a result, the absorbent article makes it difficult to feel the hardness and irritation of the absorbent article to which the crotch part of the wearer receives, and it is easy to suppress discomfort at the time of wearing.

4, the sanitary napkin 1 according to the present embodiment has a body region R1 in the discharge port corresponding area R3 in the longitudinal direction L and in the width direction W, (R5) located inside the width direction (W) of the pair of the pressing portions (23, 23 ') and the pressing portion inner side region (R5) (R6, R6 ') located on the outer side of the press-contact portion.

As shown in Fig. 4, in the sanitary napkin 1, the absorber 7 has an absorbent polymer (not shown), and the regions R6 and R6 ' Is a high basis weight region in which the basis weight of the water absorbent polymer in the absorber 7 is higher than that in the compression bonded portion inside region R5.

In the sanitary napkin 1, the basis weight of the water absorbent polymer is high and a large amount of the water absorbent polymer is present in the outside regions R6 and R6 'of the pair of squeeze portions (i.e., the high basis weight regions of the absorbent 7). In such a high basis weight region, since it has more absorption capacity than other regions, the physiological pad 1 is easy to suppress side leakage. In the sanitary napkin 1, even if the high-basis weight region R6 is provided at the above-mentioned position, the wearer is able to absorb the absorbent 7, and further, by the buffer action of the pair of loop portions 35, 35 ' It is difficult to feel the hardness of the water absorbent polymer. As a result, the sanitary napkin 1 is easy to restrain discomfort at the time of wearing and improve the attachability.

The absorbent body of the present disclosure can be produced by appropriately adjusting the water absorbent polymer distribution so that the basis weight of the water absorbent polymer is higher than that of the portion corresponding to the area outside the compressed portion, as compared with the portion corresponding to the inner side of the compressed portion. Further, from the viewpoint of effectively suppressing the lateral leakage of the absorbent article, for example, the basis weight of the water absorbent polymer in the inner region of the squeeze portion is 0 to 80% of the basis weight of the water absorbent polymer in each of the outer regions of the pair of squeeze portions, , And preferably in the range of 0 to 50%.

[Back sheet]

In the sanitary napkin 1 according to the present embodiment, as shown in Figs. 1, 3, 4 and 5, the backsheet 9 is formed in a region extending over the front face of the sanitary napkin 1 Impermeable sheet member which is disposed on the side of the non-skin facing surface in the thickness direction T and which prevents leakage of liquid excrement such as menstrual discharge and urine discharged from the wearer. The liquid impermeable sheet member may be a resin film such as polyethylene or polypropylene having air permeability, a thermoplastic resin sheet, or the like, as long as it has properties (liquid impermeability, air permeability, flexibility, etc.) , A known liquid-impermeable sheet member can be used.

The absorbent article of the present disclosure is not limited to the above-described embodiment and exemplary description, and can be appropriately combined or changed within the scope of the purpose of the present disclosure. The present disclosure can be applied to various absorbent articles such as a panty liner and a light incontinence pad in addition to the sanitary pads of the above-described embodiments. In this specification, the ordinal numbers such as "first", "second" and the like are used to distinguish matters attached with the order, and do not mean order, priority, importance, etc. of each item.

1: Sanitary pad
3: top sheet
5, 5 ': side sheet
7: absorber
9:
11:
13, 13 ': a pair of side faces of the absorber 7
15: Individual packaging sheet
23, 23 ': a pressing part
31, 31 ': outer end
33, 33 ': joint
35, 35 ': Loop
43, 43 ': end region junction
VS, VS ': virtual plane
L1, L2: individual packing line
P1, P1 '
P2, P2 ': Termination
R3: excretory port corresponding region
R4, R4 ': a longitudinal end region
R5: Inner area of the pressing part
R6: outer region of the crimping portion (high basis weight region)

Claims (12)

An absorbent article having a longitudinal direction, a width direction and a thickness direction, and having a skin facing surface and a non-skin facing surface,
The absorbent article includes a liquid permeable top sheet, a pair of side sheets, an absorbent body, a liquid impermeable back sheet, and a tacky portion for fixing the tacky,
Wherein the absorbent article has a pair of imaginary faces extending in the thickness direction from a pair of side edges of the absorbent body,
The pair of side sheets are positioned between the topsheet and the absorbent body in the thickness direction in the pair of imaginary faces,
Wherein the absorbent article has a pair of imaginary faces as a pair of base ends in the region corresponding to the excretion opening corresponding to the excretion hole in the longitudinal direction, And a pair of connecting portions which are connected to the pair of side sheets with a pair of connecting portions on the inner side in the width direction of the pair of outer end portions via a pair of outside ends existing on the outside And a pair of loop portions. The method according to claim 1,
Wherein each of said pair of joining portions is located inside said width direction relative to said pair of virtual surfaces. 3. The method according to claim 1 or 2,
In the pair of loop portions, the pair of base ends are not directly or indirectly bonded to the pair of ends. 4. The method according to any one of claims 1 to 3,
Wherein each of the pair of loop portions does not include an elastic member. 5. The method according to any one of claims 1 to 4,
The absorbent article further includes a pair of pressing portions extending in the longitudinal direction in which the topsheet to the absorbent body are compressed at least in the discharging port corresponding region and in the width direction inside the pair of bonding portions, . 6. The method of claim 5,
The absorber has an absorbent polymer,
Wherein the absorbent article has a basis weight of the absorbent polymer of the absorbent body which is higher than the inside of the width direction of the pair of compressed portions, Absorbent article. 7. The method according to any one of claims 1 to 6,
Wherein the absorbent article has a pair of longitudinal end regions adjacent to the excretory port corresponding region in a plan view (in plan view) and in the longitudinal direction,
Wherein the absorbent article has a pair of end region joints for joining the topsheet and the pair of side sheets in the pair of longitudinal end regions,
Wherein the pair of end-region joined portions are located outside the pair of joined portions in the width direction. 8. The method of claim 7,
Wherein the pair of end-region joined portions are an embossed portion continuously or intermittently extended in the longitudinal direction. 9. The method according to any one of claims 1 to 8,
Wherein the absorbent article is folded from the at least one individual packaging line extending in the width direction toward the skin facing surface side and individually wrapped by the wrapping sheet,
Wherein the individual packaging line is located on the end side in the longitudinal direction of the absorbent article than the pair of joints. 10. The method according to any one of claims 1 to 9,
And each of the pair of loop portions is not bonded to the other portion of the inner surface. 11. The method according to any one of claims 1 to 10,
Wherein the topsheet is made of an air-through nonwoven fabric, and the outer surfaces of the pair of loop portions are arranged to be air surfaces. 12. The method according to any one of claims 1 to 11,
Wherein each of the pair of side sheets is made of a hydrophobic sheet.

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