TW201940146A - Absorbent article - Google Patents

Abstract

This absorbent article has: an absorbent body (40) disposed to span a crotch region (S3), a front waist region (S1), and a rear waist region (S2); and an outer package (15) disposed in at least the front waist region and the rear waist region on the non-skin facing side of the absorbent body. A front end portion of the rear waist region is provided with a rear non-bonding region (NR) where the outside of the absorbent part is not bonded to the outer package. A rear end portion of the front waist region is provided with a front bonding region (FA) where the outside of the absorbent body is bonded to the outer package.

Description

Absorbent article

The present invention relates to absorbent articles such as disposable diapers.

The disposable diaper described in Patent Document 1 includes an outer body disposed in the front waist region and the rear waist region, and a skin surface side disposed in the outer body, and spans the front waist region and the rear waist region. The absorptive body which is arranged in a domain and a hip region. The rear end portion of the absorbent body is constituted by a wide end portion whose length in the width direction is longer than the front end portion of the absorbent body. The wide end is an exterior body fixed to the back waist area. Thereby, by securing the area of the absorbent body, it becomes easy to secure the absorption area, and leakage of excrement can be suppressed.
[Prior technical literature]
[Patent Literature]

[Patent Document 1] International Patent Publication No. 2015/025760

[Problems to be Solved by the Invention]

Generally, when the area of the absorbent body is secured, the area surrounding the wearer's feet tends to be narrow. For this reason, when inserting a foot at the time of wearing, there is a possibility that the foot cannot be smoothly inserted into the leg opening. In addition, since the absorbent article is closely attached to the thigh buttock, when the wearer moves the foot during wearing, there is a risk that the foot will be prevented from moving smoothly.

Here, while suppressing leakage, an absorbent article that is easy to insert a foot when it is mounted and that is easy to move the foot when worn is desirable.

[Means to solve the problem]

An absorbent article in one form includes a front-rear direction, a width direction orthogonal to the front-rear direction, a front waist area, and a back waist area, and is disposed between the front waist area and the back waist area. A lower hip region, and an absorbent body disposed across the lower hip region, the front waistline region, and the rear waistline region, and on the non-skin surface side of the absorbent body, at least the front waistline region and the above A body outside the rear waistline region; the absorbent article is provided with a rear non-joint region at the front end portion of the rear waistline region, and the rear non-joint region is that the outer portion of the absorbent body is not joined to the exterior body A front joint region is provided at a rear end portion of the front waistline region, and the front joint region is an outer portion of the absorptive body joined to the exterior body.

An absorbent article in one form includes a front-rear direction, a width direction orthogonal to the front-rear direction, a front waist area, and a back waist area, and is disposed between the front waist area and the back waist area. The lower hip region, the outer body of the front waist region, the outer body of the rear waist region, and the absorbent body; the outer body of the front waist region is disposed outside the front side of the front waist region Body; the exterior body of the back waist area is separated from the front side body in the front-back direction and is a rear side body located at the rear waist area; the absorbent body is on the front side The skin surface side of the exterior body and the rear exterior body is disposed across the front exterior body and the rear exterior body; the absorbent article is located at the front edge of the rear waistline region and absorbs the absorbent article. The length in the width direction of the sexual body is longer than the length in the width direction of the absorptive body located in the rear edge of the front waistline region, and the front end of the back waistline region is provided with the suction After the non-bonded region of the outer portion of the body with said rear exterior body not engaged.

(1) Overview of Embodiments At least the following matters will be apparent from the description in this specification and the accompanying drawings.

An absorbent article in one form includes a front-rear direction, a width direction orthogonal to the front-rear direction, a front waist area, and a back waist area, and is disposed between the front waist area and the back waist area. A lower hip region, and an absorbent body disposed across the lower hip region, the front waistline region, and the rear waistline region, and on the non-skin surface side of the absorbent body, at least the front waistline region and the above A body outside the rear waistline region; the absorbent article is provided with a rear non-joint region at the front end portion of the rear waistline region, and the rear non-joint region is that the outer portion of the absorbent body is not joined to the exterior body A front joint region is provided at a rear end portion of the front waistline region, and the front joint region is an outer portion of the absorptive body joined to the exterior body.

Usually, the position sandwiched by the wearer's feet is biased toward the front side from the center of the absorbent article in the front-back direction. Therefore, the rear end of the front waistline area is easily pinched by the feet. In the absorbent article described in Patent Document 1, since a non-joint region is provided at the rear end portion of the front waistline region, the absorbent body may be deformed toward the inner side in the width direction when it is pinched by a foot. As a result, the width of the absorbent body becomes shorter, and it is difficult to secure the absorption area on the side of the front waistline, and there is a risk of leakage.

In one form of the absorbent article, at the rear end portion of the front waistline region, the outer portion of the absorbent body is joined to the exterior body. Therefore, when the rear end portion of the front waistline region is forced by the wearer's feet or the like during wearing, the absorbent body of the front waistline region is difficult to deform in the width direction. Therefore, the length in the width direction of the absorptive body located in the front waistline region can be secured, and the absorption area located in the front waistline region side can be easily secured. As a result, leakage of excrement can be suppressed. In addition, at the front end portion of the back waist area, the outer portion of the absorbent body is not joined to the exterior body. Therefore, at the front end portion of the back waist area, the exterior body is movable relative to the absorbent body, and the leg circumference opening portion can be deformed outwardly. Therefore, it is easy to smoothly insert the foot into the leg opening when the foot is inserted during the installation. In addition, when the wearer moves his or her feet while wearing, the leg openings can be deformed to expand outward, and the wearer can smoothly move the feet.

An absorbent article in one form includes a front-rear direction, a width direction orthogonal to the front-rear direction, a front waist area, and a back waist area, and is disposed between the front waist area and the back waist area. The lower hip region, the outer body of the front waist region, the outer body of the rear waist region, and the absorbent body; the outer body of the front waist region is disposed outside the front side of the front waist region Body; the exterior body of the back waist area is separated from the front side body in the front-back direction and is a rear side body located at the rear waist area; the absorbent body is on the front side The skin surface side of the exterior body and the rear exterior body is disposed across the front exterior body and the rear exterior body; the absorbent article is located at the front edge of the rear waistline region and absorbs the absorbent article. The length in the width direction of the sexual body is longer than the length in the width direction of the absorptive body located in the rear edge of the front waistline region, and the front end of the back waistline region is provided with the suction After the non-bonded region of the outer portion of the body with said rear exterior body not engaged.

In the absorbent article described in Patent Document 1, the wide end portion of the absorbent body is an exterior body fixed to the back waist area. The leg openings on the back waist area side become smaller than the leg openings on the front waist area side, and the area surrounding the wearer's foot area tends to be narrower. For this reason, when inserting a foot at the time of wearing, there is a possibility that the foot cannot be smoothly inserted into the leg opening. In addition, since the leg openings on the back waist area side are relatively small, the absorbent article is likely to be in close contact with the thighs on the buttocks side. Therefore, when the wearer moves his or her feet while wearing the clothes, the feet may be prevented from moving smoothly.

With regard to an absorbent article of one form, the width in the width direction of the absorbent body on the front edge of the back waist area is longer than the width of the absorbent body in the rear edge of the front waist area. Therefore, it is easy to ensure the absorption area located in the back waist area. As a result, leakage of excrement can be suppressed. In addition, at the front end portion of the back waist area, the outer portion of the absorbent body is not joined to the exterior body. Therefore, at the front end portion of the back waist area, the exterior body is movable relative to the absorbent body, and the leg circumference opening portion can be deformed outwardly. Therefore, it is easy to smoothly insert the foot into the leg opening when the foot is inserted during the installation. In addition, when the wearer moves his or her feet while wearing, the leg openings can be deformed to expand outward, and the wearer can smoothly move the feet.

According to a preferred aspect, a first width elastic member that can be expanded and contracted in the width direction may be disposed in the rear non-joint region.

According to this aspect, the front-end | tip part of a back waist area is shrink | contracted in the width direction by the 1st width elastic member, and it becomes easy to fit to a wearer's foot. At this time, at the front end of the back waist area, the leg openings can be deformed to expand outward, and the shrinkage of the first width elastic member will not fit the feet too much, which can suppress the deterioration of the feeling of wearing. It can have moderate fit to the feet and easy movement of the feet.

According to a preferred aspect, the rear non-joined region extends rearward from a front edge of the rear waistline region; and the length of the rear non-joined region in the front-rear direction is 5 mm or more and 20 mm or less.

The range from 5 mm to 20 mm from the front edge of the rear waistline region toward the rear is a region that is particularly susceptible to being urged by the action of the foot when the foot is inserted or when the foot is moved. Since a non-joint area is provided in this range, the wearer can easily insert his feet during wearing, and can move his feet smoothly during wearing.

According to a preferred aspect, the absorbent article further includes: a side joint portion that joins the outer portion of the front waistline region with the outer portion of the rear waistline region; the range of the front-back direction of the rear non-joint region, It is a range from the end edge of the said buttocks region side of the said side joint part to the back, and the whole area | region of 30% with respect to the front-back direction with respect to the said side joint part.

The range from the edge of the lower hip region side of the side joint portion toward the rear, and the entire area from the side joint portion to the front-rear direction is 30%. This is particularly easy when the foot is inserted or moved. Area of action. Since a non-joint area is provided in this range, the wearer can easily insert his or her feet smoothly during wearing, and can smoothly move the feet during wearing.

According to a preferred aspect, the absorptive body is provided with an absorptive chip, and the outer body in which the absorptive body is joined to the back waist area is provided closer to the inner side in the width direction than the rear non-joint area. The first rear bonding region; the boundary between the rear non-bonding region and the first rear bonding region may be located closer to the outer side of the width direction than the outer edge of the absorber chip.

When the exterior body is stretched outward in the width direction during the mounting, the absorbent body is stretched outwardly in the width direction through the exterior body. At this time, the outer edge of the absorptive chip overlaps the first rear joint region where the exterior body of the back waist region and the absorbent body are joined. Therefore, when the outer body of the back waist area is stretched to the outside in the width direction during mounting, the outer edge of the absorbent chip may also be stretched to the outside in the width direction. It becomes easy to ensure the width in the width direction of the absorptive chip located in the back waist area, and leakage can be suppressed.

According to a preferred aspect, a second rear joint region of the exterior body in which the absorbent body is joined to the rear waistline region is provided closer to the rear side than the rear non-joint region.

By joining the outer body of the rear waist region and the absorbent body in a second rear joint area provided on the rear side of the rear non-joint region, the outer body of the rear waist region can be prevented from being rolled up from the absorbent body. Or it is inconvenient for the absorptive body to fall inward in the width direction. The outer body and the absorbent body are brought into proper contact with the body of the wearer, and leakage can be suppressed.

According to a preferred form, the outer body of the rear waistline region can be stretched and contracted in the width direction; the length in the width direction of the second rear joint region is longer than the length in the width direction of the rear non-joint region. .

The length in the width direction of the second rear joint region where the exterior body and the absorbent body are joined is longer than the width in the non-joint area after the exterior body and the absorbent body are not joined. The contraction in the width direction is transmitted to the absorbent body. Therefore, when the outer body is stretched to the outside in the width direction during the mounting, the absorbent body can also be stretched to the outside in the width direction. It is easy to ensure the width of the absorptive body in the back waist area, and leakage can be suppressed.

According to a preferred form, the outer body of the back waist area can be stretched and contracted in the width direction; and the absorptive body is provided with: Elastic member; The effective length of the front and rear elastic members of the absorbent article in a plan view may also overlap the second rear joint region in the thickness direction.

The front and rear elastic members are arranged on the outer side of the absorbent body and are arranged along the circumference of the wearer's legs. Since the effective length portion of the front and rear elastic members overlaps with the second rear joint region in the thickness direction, the widthwise contraction of the body located outside the rear waistline region and the front and rear contraction of the front and rear elastic members are easy to interlock. The contraction of the front and rear elastic members makes it easier to stand up to the wearer's side, and it is possible to suppress the side leakage of the excrement located in the back waist area.

According to a preferred aspect, a second width elastic member that can be expanded and contracted in the width direction can be disposed in an area where the effective length portion of the front and rear elastic members overlaps the second rear joint area.

The area where the effective length of the front and rear elastic members overlaps with the second rear joint area is provided with the second width elastic member, so the contraction in the width direction of the second width elastic member and the contraction in the front and back direction by the front and rear elastic members , Easy to link. The contracted portion of the front and rear elastic members becomes easier to stand up to the wearer's side, and the side leakage of excrement located in the back waist area can be suppressed.

According to a preferred form, the outer body of the front waistline region can be stretched and contracted in the width direction; and the absorbent body is provided with: Elastic member; the effective length portion of the front and rear elastic members overlaps the front joint region in the thickness direction.

Since the effective length of the front and rear elastic members partially overlaps the front joint region, the widthwise contraction of the body located outside the front waistline area and the front and rear contraction of the front and rear elastic members are easy to interlock. The contracted portion of the front and rear elastic members becomes easier to stand up to the wearer's side, and side leakage of excreta located in the front waistline area can be suppressed.

According to a preferred aspect, a third width elastic member that can be expanded and contracted in the width direction can be arranged in a region where the effective length portion of the front and rear elastic members overlaps the front joint region.

According to this aspect, since the third width elastic member is arranged in the area overlapping the effective length portion of the front and rear elastic members in the front joint area, the third width elastic member is contracted in the width direction and the front and rear elastic members are moved forward and backward. Directional contraction is easy to move. The shrinkage of the front and rear elastic members makes it easier to stand up to the wearer's side, and it is possible to suppress side leakage of excreta.

According to a preferred aspect, the length in the width direction of the absorbent body in the front edge of the back waist area is longer than the width in the width direction of the absorbent body in the rear edge of the front waist area. Still long.

In general, the distance between the apex of the wearer's buttocks is wider than the distance between the groin. Since the length in the width direction of the absorptive body located in the back waist region is longer than the length in the width direction of the absorptive body located in the front waist region, it is easy to appropriately cover the swelling of the wearer's buttocks. By properly covering the buttocks, side leakage can be suppressed.

According to a preferred aspect, the absorbent article further includes: a side joining portion for joining the outer portion of the front waistline region and the outer portion of the rear waistline region; the rear waistline region may include: The buttocks cover which extends more toward the said lower hip region side than the said side joint part.

The outer body is not joined to the outer portion of the absorbent body at the front end portion of the back waist area, and may be pulled up to the rear side by the action of the wearer's foot or the like. With the installation of the hip cover, even when the front end of the back waist area is pulled up to the rear side, the hip can be covered while the side leakage from the hip can be suppressed.

(2) Overall outline structure of absorbent article Hereinafter, an absorbent article according to an embodiment will be described with reference to the drawings. In addition, in the following drawings, the same or similar parts are marked with the same or similar symbols. However, those who show the graphics are mode display, and the ratio of each size is different from the reality. Therefore, specific dimensions, etc., should be determined with reference to the following description. In addition, the drawings may include portions having different dimensional relationships or ratios.

The absorbent article may be a diaper type or a diaper type. The absorbent article may be a disposable diaper or a panty-type sanitary napkin. The absorbent article according to the first embodiment is a diaper type disposable paper diaper. FIG. 1 is a schematic plan view of the disposable diaper 10 according to this embodiment. The schematic plan view shown in FIG. 1 shows an extended state in which the absorbent article 10 is stretched to a state where no creases are formed in a state where the side edge joining portion 60 described later is unfolded.

The absorbent article 10 includes a front-back direction L and a width direction W that are orthogonal to each other. The front-back direction L is regulated according to the direction extending to the front and back of the body. In other words, the front-rear direction L is a direction extending forward and backward in the unfolded absorbent article 10. The absorbent article 10 includes a thickness direction T in which the front-rear direction L and the width direction W are orthogonal to each other.

The absorbent article 10 includes a front waist region S1, a back waist region S2, and a lower hip region S3. The front waistline region S1 is a region facing the wearer's front waistline (abdomen). The rear waistline area S2 is an area facing the back waistline (back) of the wearer. The lower hip region S3 is located below the wearer's buttocks and is a region disposed between the front waist region S1 and the rear waist region S2.

In this embodiment, the absorbent article 10 may include an exterior body 15 and an absorbent body 40. The exterior body 15 is disposed on at least the front waistline region S1 and the back waistline region S2 on the non-skin surface side of the absorbent body 40. The exterior body 15 may include a front exterior body 20 and a rear exterior body 30. The front exterior body 20 is an exterior body arranged in the front waistline area S1. The rear exterior body 30 is an exterior body separated from the front exterior body 20 in the front-back direction L, and is disposed in the rear waistline region S2.

In the front waistline region S1 and the back waistline region S2, the exterior body 15 extends outward in the width direction W than the absorbent body 40. In the lower hip region S3, the absorbent body 40 extends outward in the width direction W than the exterior body 15. The boundary of the lower hip region of the front waistline region S1 is an end edge of the lower hip region of the region where the front exterior body 20 extends more outward than the absorbent body 40 in the width direction W, and the hips of the rear waist region S2 The boundary on the lower field side is the end edge of the lower buttock region side of the region in which the rear exterior body 30 extends more outward in the width direction W than the absorbent body 40. Moreover, regarding the absorbent article 10 of this embodiment, the front exterior body 20 is arrange | positioned only in the front waist area S1, the front edge 20F of the front exterior body 20 is the front edge S1F of the front waist area S1, and the front exterior The rear end edge 20R of the body 20 is a rear end edge S1R corresponding to the front waistline region S1. The rear exterior body 30 is disposed only in the rear waistline area S2. The front edge 30F of the rear exterior body 30 is a front edge S2F corresponding to the rear waistline area S2. The rear edge of the rear exterior body 30 is 30R is a trailing edge S2R corresponding to the back waist area S2.

The front exterior body 20 and the rear exterior body 30 are made of, for example, a non-woven sheet. The front-side exterior body 20 and the rear-side exterior body 30 each include a skin-side exterior skin surface sheet 25 and a skin-side exterior surface skin sheet 25 on the non-skin surface side of the exterior skin surface sheet 25.

It may be provided: a side joint portion 60 that joins the outer portion of the front waistline region S1 located in the width direction W and the outer portion of the waistline region S2 located in the width direction W. Here, FIG. 1 shows a state where the bonding on the side bonding portion 60 is released and the absorbent article 10 is unfolded. The side joint portion 60 may extend along the front-rear direction L from each of the front-side exterior body 20 and the rear-side exterior body 30. A hip cover 35 may be provided in the back waistline region S2 so as to extend toward the lower hip region S3 side than the side joint portion 60. The buttocks cover 35 is a part of the rear exterior body 30 and extends toward the lower hip region S3 side than the side joint portion 60.

In addition, the so-called outer portion in the present invention means a portion occupying a certain range in the width direction W including the outer edge in the width direction W, and the outer edge means that it is located in the width direction W and outside edge. In the present invention, the so-called inner portion refers to a portion occupying a certain range in the width direction W including the inner edge in the width direction W; the inner edge refers to the inner edge in the width direction W. In addition, in the present invention, the front end portion and the rear end portion are portions occupying a certain range in the front-rear direction L including edges located in the front-back direction L; the front-end edge and the rear-end edge are located in the front-rear direction L. edge. The outer end portion includes a front end portion and a rear end portion; the outer end edge includes a front end edge and a rear end edge.

As shown in FIG. 4, in the state where the side joining portion 60 is formed, a pair of waist openings 71 through which the wearer's carcass passes and a pair of wearer's feet to be inserted are formed in the absorbent article 10.腿 围 开 部 72。 Leg circumference opening 72. The waistline opening 71 can be specified by the front edge S1F of the front waistline region S1 and the rear edge S2R of the rear waistline region S2. In addition, the leg openings 72 can be extended toward the outside in the width direction W than the absorbent body 40, and the rear edge 20R of the front exterior body 20 can be extended to the outside in the width direction W than the absorbent body 40. The front edge 30F of the side exterior body 30 and the outer edge 40E of the absorbent body 40 located in the lower hip region S3 are regulated.

The absorptive body 40 is attached to the skin surface side of the front exterior body 20 and the rear exterior body 30, and is arrange | positioned across the front exterior body 20 and the rear exterior body 30. That is, the absorbent body 40 extends across the front waistline region S1, the back waistline region S2, and the lower hip region S3. The absorptive main body 40 can be formed separately from the front-side exterior body 20 and the rear-side exterior body 30.

The length W402 of the width direction W of the absorptive body 40 on the front edge S2F of the back waistline S2 is longer than the length W401 of the width direction W of the absorptive body 40 on the back edge S1R of the front waistline S1. . In general, the distance between the apex of the wearer's buttocks is wider than the distance between the groin. The length W402 of the width direction W of the absorptive body 40 on the front edge S2F of the back waistline S2 is longer than the length W401 of the width direction W of the absorptive body 40 on the back edge S1R of the front waistline S1. It is long, so it is easy to cover the bulge of the wearer's buttocks appropriately. By properly covering the buttocks, side leakage can be suppressed. Moreover, since the length of the width direction W of the absorptive body 40 located on the rear edge of the front waistline region S1 is short, the size of the leg openings on the side of the front waistline region can be made large, and the feet become feet Easy to move back and forth.

The absorptive body 40 includes at least an absorptive chip 50. The absorbent chip 50 may contain, for example, pulverized pulp or superabsorbent polymer (SAP), or a mixture thereof. The absorption chip 50 is arranged at least in the sub-gluteal region S3. Preferably, the absorption chip 50 extends from the front waist region S1 and the back waist region S2 in the front-rear direction L. The absorbing chip 50 may be covered by a chip adhesive film. The absorbent body 40 includes a body skin surface sheet 41 on the skin surface side of the absorption chip 50 and a body non-skin surface sheet 42 on the non-skin surface side of the absorption chip 50. The body skin surface sheet 41 can cover the absorption chip 50 on the skin surface side of the absorption chip 50. The body non-skin surface sheet 42 can cover the absorption chip 50 on the non-skin surface side of the absorption chip 50.

The body skin surface sheet 41 can be constituted by a liquid-pervious sheet such as a non-woven fabric or a perforated plastic film. The body skin surface sheet 41 may be composed of a single sheet. Alternatively, the body skin surface sheet 41 may be composed of a laminated sheet in which a plurality of sheets are laminated on each other.

The body non-skin surface sheet 42 may include a liquid-impermeable sheet. The body non-skin surface sheet 42 may be composed of a single sheet. Instead, the body non-skin surface sheet 42 may be composed of a laminated sheet in which a plurality of sheets are laminated on each other. In this case, at least one of the plurality of sheets is liquid-impermeable.

The absorption chip 50 is arranged at least in the sub-gluteal region S3. Preferably, the absorption chip 50 extends from the front waist region S1 and the back waist region S2 in the front-rear direction L. The absorption chip 50 may be covered with a chip adhesive film.

The absorptive body 40 may be provided with a front-rear elastic member 65 which is disposed on an outer portion of the absorptive body 40 and is expandable and contractible in the front-rear direction L. A plurality of front and rear elastic members 65 may be provided at intervals in the width direction W. The front-rear elastic member 65 may be disposed closer to the outer side in the width direction W than the absorbent chip 50, and may be disposed along the leg openings 72. The front-rear elastic member 65 can be configured by, for example, a linear rubber that is stretchable in the front-rear direction L or an elastic sheet that is stretchable in the front-rear direction L. Instead, the front-rear elastic member 65 may be constituted by, for example, a side sheet itself made of a stretchable sheet. The front-rear elastic member 65 of this embodiment is made of linear rubber, and is disposed between the body skin surface sheet 41 and the body non-skin surface sheet 42 in the thickness direction T.

The front-rear elastic member 65 is disposed in an elongated state on the outer portion of the absorbent body 40. The area where the front and rear elastic members 65 are arranged in the elongated state acts on the absorbent body 40 to contract in the front-rear direction L. The area where the front and rear elastic members 65 are not arranged in the elongated state acts on the absorbent body 40 There is no force acting to contract in the front-back direction L. In this specification, the length in the front-rear direction of a region acting on the force for contraction in the front-rear direction L is also referred to as the "effective length" of the front-rear elastic member 65. The effective length portion is a portion where creases are formed by the contraction of the front and rear elastic members 65 in the natural state of the absorbent article. The range of the front-back direction L of the effective length part 66 of the front-back elastic member 65 is shown in FIG. The leading edge of the effective length portion 66 overlaps the front exterior body 20 in the thickness direction, and the trailing edge of the effective length portion 66 overlaps the rear exterior body 30 in the thickness direction.

The front-side exterior body 20 and the rear-side exterior body 30 are configured to be expandable and contractible in the width direction W. The front-side exterior body 20 and the rear-side exterior body 30 may be configured to be elastically stretchable by elastic members such as a width elastic member described later, or may be an external skin-surface sheet 25 or an external non-skin surface sheet. 26. Scalable construction.

In the front waistline area S1 and the back waistline area S2, a width elastic member that can be expanded and contracted in the width direction W can be provided. The width elastic member may include a first width elastic member 61 and a second width elastic member 62 provided in the back waist region S2, and a third width elastic member 63 provided in the front waist region S1. The first width elastic member 61 is tied to the rear waistline region S2 and is disposed closer to the rear side than the second width elastic member 62. A plurality of width elastic members may be provided at intervals in the front-back direction L. The width elastic member can be configured by, for example, a linear rubber that is stretchable in the width direction W, or an elastic sheet that is stretchable in the width direction W. Alternatively, the width elastic member may be configured by, for example, the absorbent body 40 or the exterior body 15 made of a stretchable sheet. The width elastic member may be provided on the absorbent body 40 or on the exterior body 15. The first width elastic member 61 and the second width elastic member 62 of the present embodiment are provided on the rear exterior body 30, and the third width elastic member 63 is provided on the front exterior body 20. The width elastic member is made of linear rubber, and is disposed between the exterior skin surface sheet 25 and the exterior non-skin surface sheet 26 in the thickness direction T.

The exterior body 15 and the absorptive body 40 are configured in this manner to be bonded in a bonding region, but not bonded in a non-bonding region. A front joint region FA of the outer body 15 to which the outer portion of the absorbent body 40 is joined is provided at a rear end portion of the front waistline region S1. An outer portion of the absorbent body 40 and an exterior body 15 are joined to a rear end portion of the front waistline region S1. Therefore, at the rear end portion of the front waistline region S1, the exterior body 15 is immovable relative to the absorbent body 40.

4 and 5 are schematic diagrams showing a state in which the absorbent article according to the embodiment is mounted. Fig. 4 is a diagram showing a state in which the foot is extended; Fig. 5 is a diagram showing a state in which the foot is bent. In the rear end portion of the front waistline region S1 of the absorbent article of the embodiment, the exterior body 15 is difficult to move relative to the absorbent body 40, and the angle α between the exterior body 15 and the outer edge 40E of the absorbent body 40 is α Difficult to change. Therefore, when the rear end portion of the front waistline region S1 is biased by the wearer's feet or the like during wearing, the absorbent body 40 in the front waistline region S1 is difficult to deform in the width direction W. Therefore, it is easy to secure the length of the width direction W of the absorptive body 40 located in the front waistline region S1, and it is easy to ensure the absorption area located in the front waistline region S1 side.

The front bonding area FA may be provided in a region extending forward from the rear edge of the front waistline region S1 and extending from the outer edge of the absorbent body 40 to the inner side in the width direction W. The rear edge of the front joint area FA may be the same as the rear edge of the front waistline area S1, or may be separated from the rear edge of the front waistline area S1. The front edge of the front joint area FA may be the same as the front edge of the front waistline S1, or may be separated from the front edge of the front waistline S1. The front joint area FA extends from one outer edge to the other outer edge of the absorbent body 40. The outer edge of the front joint area FA may coincide with the outer edge of the absorbent body 40, or may be located in a range from 3 mm to 5 mm from the outer edge of the absorbent body 40 to the inner side in the width direction.

A rear non-joint region NR in which the outer portion of the absorptive body 40 and the exterior body 15 are not joined is provided at the front end portion of the rear waistline region S2. At the front end portion of the back waistline region S2, the outer portion of the absorbent body 40 is not joined to the exterior body 15. Therefore, at the front end portion of the back waist area S2, the exterior body 15 is movable relative to the absorbent body 40.

In the front end portion of the back waistline region S2, the exterior body 15 is movable relative to the absorbent body 40, and the angle β between the exterior body 15 and the outer edge 40E of the absorbent body 40 is variable. As the angle β becomes larger and deformed, the leg opening can be made larger. In addition, by moving the absorptive body 40 inward in the width direction W in the rear non-joint region NR, the leg openings 72 can also be made larger. Therefore, when the foot is inserted or the foot is moved, the leg circumference opening 72 can be widened, and the foot can be smoothly inserted or the foot can be moved smoothly.

The rear non-bonding region NR is provided in a region that extends rearwardly from the front end edge 30F of the rear exterior body 30 and extends from the outer edge 40E of the absorbent body 40 to the inner side in the width direction W. The front edge of the rear non-joint region NR may be the same as the front edge of the back waist region S2, or may be separated from the front edge of the back waist region S2. The rear end edge of the rear non-joint region NR is located closer to the inside of the front-rear direction L than the rear end edge of the rear waistline region S2. The rear non-joint region NR extends from one outer edge to the other outer edge of the absorbent body 40. The outer edge of the rear non-joint region NR may coincide with the outer edge of the absorbent body 40 or may be located in a range from 3 mm to 5 mm from the outer edge of the absorbent body 40 to the inner side in the width direction.

The inside edge of the rear non-joint region NR may be located at the same position or inside of the outside edge of the absorbent body 40 on the rear edge of the front waistline region S1 in the width direction W. The rear non-joined region NR can function as a region where the foot can be moved because the absorbent body 40 is not joined to the exterior body. The inner edge of the rear non-joint region NR is located in the same position as the outer edge of the absorptive body 40 in the rear edge of the front waistline region S1 in the width direction W, or the inner edge. The area in which the feet can swing is secured in the same way at the leg openings on the front waistline S1 side and the leg openings on the back waistline S2 side. It can also ensure that the area of the buttocks is covered by the back waist area S2, while ensuring the easy movement and easy placement of the feet, in the same way, it is ensured at the front waist area S1 and the back waist area S2.

In the rear non-joint region NR, a first width elastic member 61 that can be expanded and contracted in the width direction W can be disposed. The first width elastic member 61 need only overlap the rear non-joint region NR in the thickness direction. By providing the first width elastic member 61, the front end portion of the rear waistline region S2 is contracted in the width direction W, and it becomes easy to fit the wearer's feet. At this time, at the front end portion of the rear waistline region S2, the leg circumference opening portion 72 can be deformed to expand outwardly. Therefore, the contraction of the first-width elastic member 61 can prevent excessive fit of the feet, and can suppress deterioration of the feeling of attachment. It can have both moderate fit to the feet and easy movement of the feet. In addition, in order to ensure the fit to the feet, the first width elastic member 61 may extend beyond the rear non-joint region NR to the outside in the width direction W.

The length of the rear non-joint region NR in the front-rear direction L may be 3 mm or more. When the length of the front-rear direction L of the rear non-joint region NR is 3 mm or more, the ease of movement of the foot and the ease of insertion of the foot can be improved. More preferably, the length of the front-back direction L of the rear non-joint region NR may be 5 mm or more and 20 mm or less. The range from 5 mm to 20 mm from the front edge of the rear waistline area S2 toward the rear is a region that is particularly susceptible to being urged by the action of the foot when the foot is inserted or when the foot is moved. Since the length of the front-rear direction L of the rear non-joint region NR is 3 mm or more, the wearer can more easily insert his feet during wearing and can move his feet more smoothly during wearing. Still more preferably, the length of the front-back direction L of the rear non-joint region NR is 10 mm or more.

The range of the front-rear direction L of the rear non-joint region NR may be in a range of 30% from the end edge of the lower hip region side of the side joint 60 to the front-rear direction L of the rear side joint 60. The entire area from the front edge of the lower hip region side of the side joint 60 to the rear side joint 60 is 30%, which is particularly easy when inserting the foot or moving the foot. The area where the foot moves and the force is applied. Therefore, it is easier for the wearer to insert the feet smoothly when wearing, and to move the feet more smoothly when wearing.

A hip cover 35 may be provided in the back waist area S2 so as to extend toward the lower hip area S3 side than the side joint portion 60. The exterior body 15 is not connected to the outer side of the absorbent body 40 at the front end portion of the back waist area S2, and may be pulled up to the rear side by the action of the wearer's feet. By providing the hip cover 35, even when the front end portion of the rear waistline area S2 is pulled up to the rear side, the hips can be covered while the side leakage from the hips can be suppressed.

The effective length portion 66 of the front and rear elastic members 65 may overlap the front joint area FA in the thickness direction. The front-rear elastic member 65 is disposed on the outer portion of the absorbent body 40 and is disposed along the circumference of the wearer's legs. Since the effective length portion 66 of the front-rear elastic member 65 overlaps the front joint area FA, it is easy to interlock by the shrinkage in the width direction W of the exterior body 15 and the shrinkage of the front-rear elastic member 65 in the front-rear direction L. The part contracted by the front-rear elastic member 65 becomes easy to stand up to the wearer's side, and the side leakage of the excrement located on the side of the front waistline area can be suppressed.

A third width elastic member 63 is disposed in a region where the effective length portion 66 of the front and rear elastic members 65 overlaps with the front joint area FA. Since the third width elastic member is disposed in an area where the effective length portion 66 of the front and rear elastic members 65 overlaps with the front joint area FA, the contraction in the width direction W of the third width elastic member and the front and back by the front and rear elastic members 65 The contraction in the direction L is easy to interlock. The contraction of the front and rear elastic members 65 makes it easier to stand up to the wearer's side, and it is possible to suppress the side leakage of the excrement located on the side of the front waistline.

A first rear joint region RA1 to which the absorbent body 40 and the exterior body 15 are joined is provided closer to the inner side in the width direction W than the rear non-joined region NR. The boundary between the rear non-bonding region NR and the first rear bonding region RA1 may be located closer to the outer side in the width direction W than the outer edge of the absorber chip 50. The first rear bonding region RA1 may be provided in the entire region in the width direction W of the absorber chip 50. When the exterior body 15 is stretched outward in the width direction W during mounting, the absorbent body 40 is stretched outwardly in the width direction W with the exterior body 15 interposed therebetween. At this time, the outer edge of the absorbent chip 50 is overlapped with the first rear bonding region RA1 to which the exterior body 15 and the absorbent body 40 are bonded. Therefore, when the outer body 15 is stretched outward in the width direction W when being mounted, the outer waist edge of the absorbent chip 50 is also stretched outward in the width direction W, and it is easy to ensure the absorptive body. The length in the width direction can further suppress leakage.

Closer to the rear side than the rear non-bonding region NR is a second rear bonding region RA2 to which the absorbent body 40 and the exterior body 15 are bonded. The second rear joint region RA2 is provided in a region extending rearward from the front end edge of the rear non-joint region NR and extending from the outer edge of the absorbent body 40 to the inner side in the width direction W. The outer body 15 and the absorbent body 40 are joined to the second rear joint area RA2 provided behind the rear non-joint area NR. This prevents the outer body 15 from being rolled up from the absorbent body 40 or the absorbent body 40. It is inconvenient to sag toward the inside of the width direction W, and it is easy for the exterior body 15 and the absorbent body 40 to properly abut the body of the wearer. The outer edge of the second rear joint region RA2 may be the same as the outer edge of the absorbent body 40 or may be located in a range from 3 mm to 5 mm from the outer edge of the absorbent body 40 to the inner side in the width direction.

The length in the width direction W of the second rear joint region RA2 may be longer than the length in the width direction W of the rear non-join region NR. The inner edge of the second rear joint region RA2 may extend more toward the inner side in the width direction W than the inner edge of the rear non-join region NR. The length in the width direction W of the second rear joint region RA2 with the exterior body 15 and the absorbent body 40 joined is longer than the length in the width direction W of the non-joint area NR after the exterior body 15 and the absorbent body 40 are not joined. It is long and it is easy to convey the contraction of the exterior body 15 in the width direction W to the absorbent body 40. Therefore, when the exterior body 15 is stretched outward in the width direction W during mounting, the absorbent body 40 can also be stretched outward in the width direction W, and the length of the width direction W of the absorbent body 40 can be secured. .

The effective length portion 66 of the front and rear elastic members 65 may overlap the second rear joint region RA2. The front-rear elastic member 65 is disposed on the outer portion of the absorbent body 40 and is disposed along the circumference of the wearer's legs. Since the effective length portion 66 of the front and rear elastic members 65 overlaps with the second rear joint region RA2, the contraction in the width direction W of the exterior body 15 and the contraction in the front and rear directions L by the front and rear elastic members 65 are easy to interlock. The portion contracted by the front-rear elastic member 65 becomes easy to stand up to the wearer's side, and leakage at the side of the back waistline area can be further suppressed.

A second width elastic member is disposed in a region where the effective length portion 66 of the front and rear elastic members 65 overlaps with the second rear joint region RA2. Since the second width elastic member is disposed in a region overlapping the effective length portion 66 of the front and rear elastic members 65 and the second rear joint region RA2, the second width elastic member is contracted in the width direction W and the front and rear elastic members are used. The contraction of L in the front and back direction 65 is easy to move. The portion contracted by the front-rear elastic member 65 becomes easier to stand up to the wearer's side, and the side leakage of the excrement located on the side of the rear waistline area can be suppressed.

As mentioned above, the present invention has been described in detail using the above-mentioned embodiments. It is clear to those skilled in the art that the present invention is not limited to the embodiments described in this specification. The present invention can be implemented by modifying and changing the form without departing from the spirit and scope of the present invention as defined by the description of the scope of patent claims. Therefore, the description in this specification is for the purpose of illustration, and does not have any limiting meaning to the present invention.

The outer body of the absorbent article according to the modification may be integrated with the front outer body 20 and the rear outer body 30, and may be installed across the front waistline region S1 and the rear waistline region S2. In the modified outer body, the front waistline region S1 and the front waistline region S1 extend outward in the width direction W than the absorptive body 40, and are located in the lower hip region more than the absorptive body 40. Near the width direction W. As described above, in the absorbent article according to the modified example, since the angle α between the absorbent body 40 and the exterior body is also difficult to change in the rear end portion of the front waistline region S1, the absorption area of the front waistline region S1 can be ensured. And suppress leakage. In addition, since the angle β formed between the absorbent body 40 and the exterior body is easy to change at the front end portion of the back waist region, the leg waist opening on the side of the back waist region is large, and the feet can be moved smoothly.

[Industrial availability]

The present invention can provide an absorbent article capable of easily inserting a foot when being worn while suppressing leakage, and can easily move the foot when wearing.

10‧‧‧ Absorbent article

15‧‧‧ Outer body

20‧‧‧ Front side body

20F‧‧‧ Front edge of front side exterior body 20

20R‧‧‧The rear edge of the front exterior body 20

25‧‧‧ Exterior skin sheet

30‧‧‧ rear side body

30F‧‧‧ The front edge of the rear exterior body 30

30R‧‧‧The rear edge of the rear exterior body 30

40‧‧‧ Absorptive body

40E‧‧‧Outer edge of absorbent body 40

50‧‧‧ Absorption Chip

60‧‧‧side joint

61‧‧‧The first width elastic member

62‧‧‧ 2nd width elastic member

63‧‧‧ 3rd width elastic member

65‧‧‧Front and rear elastic members

66‧‧‧Effective length of front and rear elastic members 65

NR‧‧‧ after non-joint area

RA1‧‧‧The first joint area

RA2‧‧‧Second junction area

FA‧‧‧ Front Joint Area

S1‧‧‧Front waistline

S1R‧‧‧The rear edge of the front waistline S1

S1F‧‧‧ Front edge of front waistline S1

S2‧‧‧Back waist area

Front edge of S2F‧‧‧back waist area S2

S2R‧‧‧The back edge of the back waist area S2

S3 ‧ ‧ ‧ hip area

L‧‧‧ forward and backward

W‧‧‧Width direction

W401‧‧‧S1R Absorptive body 40 width W length

W402‧‧‧S2F The length of the width W of the absorbent body 40

Fig. 1 is a plan view of an absorbent article according to the embodiment.

Fig. 2 is a sectional view taken along the A-A cross section of the absorbent article shown in Fig. 1.

Fig. 3 is a sectional view taken along the B-B cross section of the absorbent article shown in Fig. 1.

Fig. 4 is a diagram schematically showing a state in which the absorbent article according to the embodiment is mounted.

Fig. 5 is a diagram schematically showing a state of mounting the absorbent article according to the embodiment.

Claims (14)

An absorbent article having: Forward and backward directions, and Width direction orthogonal to the front-back direction, and Front waistline, and Back waistline, and A lower hip region disposed between the front waist region and the rear waist region, and An absorbent body disposed across the lower hip region, the front waist region, and the rear waist region, and The non-skin surface side of the absorbent body is disposed at least outside the front waist region and the rear waist region; the absorbent article is characterized by: A rear non-joint region is provided at a front end portion of the rear waistline region, and the rear non-joint region is that the outer portion of the absorbent body is not bonded to the exterior body. A front joint region is provided at a rear end portion of the front waistline region, and the front joint region is an outer portion of the absorptive body joined to the exterior body. An absorbent article having: Forward and backward directions, and Width direction orthogonal to the front-back direction, and Front waistline, and Back waistline, and A lower hip region disposed between the front waist region and the rear waist region, and The outer body of the aforementioned front waistline area, and The outer body of the back waist area, and Absorptive ontology The exterior body in the front waistline area is a front-side exterior body arranged in the front waistline area; The exterior body of the rear waistline area is separated from the front side exterior body in the front-rear direction and is a rear side exterior body disposed in the rear waistline area; The absorbent body is disposed on the skin surface side of the front exterior body and the rear exterior body, and is disposed across the front exterior body and the rear exterior body. The absorbent article is characterized by: The length in the width direction of the absorbent body in the front edge of the back waist region is longer than the length in the width direction of the absorbent body in the rear edge of the front waist region. A rear non-joined area where the outer portion of the absorbent body and the rear exterior body are not joined is provided at a front end portion of the rear waistline region. The absorbent article according to item 1 or 2 of the scope of patent application, wherein: A first width elastic member that is expandable and contractible in the width direction is disposed in the rear non-joint region. The absorbent article according to item 1 or 2 of the scope of patent application, wherein: The rear non-joint region extends rearward from a front edge of the rear waistline region; The length in the front-rear direction of the rear non-joint region is 5 mm or more and 20 mm or less. The absorbent article according to item 1 or 2 of the scope of patent application, wherein: The absorbent article further includes: a side edge joining portion for joining the outside portion of the front waistline region and the outside portion of the back waistline region; The range of the front-rear direction of the rear non-joint region is a range from the end edge of the lower hip region side of the side joint to the rear, and the entire area is 30% relative to the front-rear direction of the side joint. The absorbent article according to item 1 or 2 of the scope of patent application, wherein: The absorptive body is provided with an absorptive chip, Nearer to the inner side in the width direction than the rear non-joint region, a first rear joint region of the exterior body in which the absorbent body and the rear waistline region are joined is provided, The boundary between the rear non-bonding region and the first rear bonding region is located closer to the outer side in the width direction than the outer edge of the absorber chip. The absorbent article according to item 1 of the scope of patent application, wherein: Further to the rear side than the rear non-joint region, a second rear joint region of the exterior body in which the absorbent body is joined to the rear waistline region is provided. The absorbent article according to item 7 of the scope of patent application, wherein: The outer body of the back waist area can be expanded and contracted in the width direction; The length in the width direction of the second rear bonded region is longer than the length in the width direction of the rear non-bonded region. The absorbent article according to item 7 of the scope of patent application, wherein: The outer body of the back waist area can be expanded and contracted in the width direction; The absorptive body includes: a front-rear elastic member disposed on an outer portion of the absorptive body and capable of being retracted in the front-rear direction; The effective length portion of the front and rear elastic members of the absorbent article in a plan view overlaps the second rear joint region in the thickness direction. The absorbent article according to item 9 of the scope of patent application, wherein: A second width elastic member that is expandable and contractible in the width direction is disposed in a region where the effective length portion of the front and rear elastic members overlaps the second rear joint region. The absorbent article according to item 1 or 2 of the scope of patent application, wherein: The outer body of the front waistline area can be stretched and contracted in the width direction; The absorptive body includes: a front-rear elastic member disposed on an outer portion of the absorptive body and capable of being retracted in the front-rear direction; The effective length portion of the front and rear elastic members overlaps the front joint region in the thickness direction. The absorbent article according to item 11 of the scope of patent application, wherein: A third width elastic member that is expandable and contractible in the width direction is disposed in a region where the effective length portion of the front and rear elastic members overlaps the front joint region. The absorbent article according to item 1 or 2 of the scope of patent application, wherein: The length in the width direction of the absorbent body in the front edge of the back waistline region is longer than the length in the width direction of the absorbent body in the rear edge of the front waistline region. The absorbent article according to item 1 or 2 of the scope of patent application, wherein: The absorbent article further includes: a side edge joining portion for joining the outside portion of the front waistline region and the outside portion of the back waistline region; A hip cover is provided in the rear waistline region and extends toward the lower hip region side than the side joint portion.