JP2003284736A - Disposable absorbent goos - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a disposable paper diaper capable of preventing leakage by improving adhesiveness. <P>SOLUTION: Elastic bodies 23, 24 for waist surroundings are set on a back side waist surrounding part 13 and on an abdomen side waist surrounding part 15. The waist surrounding parts 13, 15 are stretched by the elastic bodies 23, 24, so that adhesiveness to a waist surrounding is improved. A first elastic body 25 for leg surrounding and a second elastic body 26 for leg surrounding are set on the waist surrounding part 13 symmetrically in a width direction to a diaper body 1 and crossed in a central area of a crotch surrounding part 14. The adhesiveness can be easily improved because the crotch surrounding part 14 is adhered to a crotch. The diaper body 1 can be adhered to the waist surrounding and a leg surrounding because, a back side coupling part 21 is stretched by the elastic bodies 23, 24, and the first and second elastic bodies 25, 26. An absorbent body 4 is set in an almost central area of the crotch surrounding part 14. The absorbent body 4 of the crotch surrounding part 14 is pushed up at a crossing part of the first and second elastic bodies 25, 26, and the diaper body 1 is adhered to the crotch, so that the leakage of the diaper body 1 is prevented. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a disposable absorbent article for adults or for incontinence.

[0002]

2. Description of the Related Art Conventionally, as this type of disposable absorbent article, for example, a disposable paper diaper is generally known.

This disposable paper diaper has a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorber disposed between the liquid-permeable top sheet and the liquid-impermeable back sheet. A side waistline part, a crotch part that has leg parts formed on both side edges in the width direction, and an abdominal waistline part are integrally formed in the longitudinal direction.

Further, this disposable paper diaper is provided with a diaper body as an absorbent article in which both widthwise side portions of the back waistline portion and the abdominal waistline portion are detachably joined to each other. Back side joining portions such as adhesive tapes or hook-and-loop fasteners are provided on both sides in the width direction of the back waist portion of the diaper body.

Further, in this disposable paper diaper, the width dimension of the abdominal waistline portion is formed larger than the width dimension of the backside waistline portion, and the backside joint portion is formed on both sides of the abdominal waistline portion. There is provided a wide abdominal side connecting portion, such as an adhesive tape or a hook-and-loop fastener, to which are joined.

Further, this disposable paper diaper is formed into a pants shape by joining the abdominal side connecting portion and the back side connecting portion to each other at the time of use.

[0007]

However, in the above-mentioned disposable paper diaper, the waist elastics are not provided so much in the back waist region or the abdominal waist region, and this disposable paper diaper has the width direction. Since it does not expand or contract, when the disposable diaper is worn, there is a risk that the user's body will be too tight and pressed by the back waistline or the abdominal waistline.

On the other hand, if the abdominal joint and the back joint are loosely joined to prevent the user's body from being overtightened, a gap is created between the body of the user and the disposable diaper. For example, excrement such as urine may leak.

As a result, there is a problem in that it is not easy to prevent leakage while keeping the disposable diaper in close contact.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a disposable absorbent article which can improve the adhesion and prevent leakage.

[0011]

A disposable absorbent article according to claim 1 is a liquid-permeable top sheet, a liquid-impermeable back sheet, and a space between the liquid-permeable top sheet and the liquid-impermeable back sheet. An absorbent body arranged and an outer layer sheet joined to the outer surface side of the liquid-impermeable backsheet, and a back waistline portion, a crotchline portion having leg portions formed on both sides, and an abdominal side. A waistline portion is formed integrally in order in the longitudinal direction, and the absorbent article body in which both widthwise side portions of the back waistline portion and widthwise side portions of the abdominal waistline portion are joined, The outer layer sheet is composed of an inner sheet piece facing the liquid impermeable back sheet side and an outer sheet piece facing the clothing side of the user, and the width direction of the abdominal waistline portion of the outer layer sheet. Ventral joints are provided on both sides, and the back waist of the outer layer sheet is A dorsal side joining part to be joined to each abdominal side joining part is provided on both sides in the width direction of the ridge, and the absorbent body is provided between the liquid-permeable topsheet and the liquid-impermeable backsheet. At least in the central region of the crotch region, the back waist region and the abdominal waist region of the outer layer sheet, the inner sheet of the outer layer sheet over substantially the entire longitudinal direction of the absorbent article. Between the outer piece and the outer sheet piece, a waistline elastic body that expands and contracts in the width direction of the absorbent article body is disposed, and between the inner sheet piece and the outer sheet piece of the outer layer sheet, the back side is provided. From one side in the width direction of the absorbent article body on the waist side of the user of at least one of the waist part and the waist part of the abdomen, the back waist part and the abdomen side through the crotch part. The leg circumference on the other side of at least one of the waist parts The first leg elastics extending in the vicinity, and the first leg elastics and the first leg elastics that are positioned substantially symmetrically with respect to the width direction of the first leg elastics and the absorbent article body. The second elastic body for legs is arranged so as to intersect in the substantially central region of the crotch portion.

Then, in the back waist region and the abdominal waist region of the outer layer sheet, over substantially the entire area in the longitudinal direction of the absorbent article, between the inner sheet piece and the outer sheet piece of this outer layer sheet, A waistline elastic body that expands and contracts in the width direction of the article is disposed, and between the inner sheet piece and the outer sheet piece of the outer layer sheet, at least one of the back waistline portion and the abdominal waistline portion is provided. From one side in the width direction of the absorbent article on the waistline of the user, through the crotch region to the vicinity of the leg region on the other side of at least one of the back waist region and the abdominal waist region. The extending first elastic body for legs and the first elastic body for legs and the crotch portion are located substantially symmetrically with respect to the width direction of the first elastic body for legs and the absorbent article. A second leg elastic body that intersects in the central region is provided. As a result, the back waist region and the abdominal waist region are expanded and contracted by the waist elastic body, so that when attached to the user, the adhesion to the waist region of the user is improved and the first leg is also provided. Since the elastic body for rotation and the elastic body for second leg cross each other in the substantially central region of the crotch part, the crotch part or the absorber is more closely attached to the user's crotch, Adhesion to the person is further improved.

Further, both ends of the waist elastic body are located near the dorsal side connecting portion and the abdominal side connecting portion, respectively, and the first leg elastic body and the second leg elastic body are provided. Since the ends are respectively located around the waist of the user, it is possible to closely contact the waist of the user while closely contacting the legs of the user. That is, the waist elastics, the first leg elastics, and the second leg elastics act integrally, and the waist and leg adhesion of the user is improved.

Further, the absorber is disposed at least in a substantially central region of the crotch region between the liquid-permeable topsheet and the liquid-impermeable backsheet, and the first leg elastic body and the second leg elastic body are provided. By crossing the leg elastics in the substantially central region of the crotch part, the absorber of the crotch part is formed at the intersection of the first leg elastic member and the second leg elastic member. Since it is pushed up and adheres to the vicinity of the user's inseam, leakage is prevented.

The disposable absorbent article according to a second aspect of the present invention is the disposable absorbent article according to the first aspect, wherein the abdominal side joint portion and the back side joint portion are detachably joined.

By joining the abdominal side connecting portion and the back side connecting portion in a detachable manner, it is easier to attach to and detach from the user, and both end portions of the waist elastic body are attached. Are located in the vicinity of the dorsal side connecting portion and the abdominal side connecting portion, respectively, and the ends of the first leg elastic body and the second leg elastic body are respectively the back side connecting portion and the abdominal side connecting portion. Since the dorsal side connecting portion and the abdominal side connecting portion are located in the vicinity of at least one of the above, the waist elastic body, the first leg elastic body, and the second leg elastic body Since it expands and contracts, the adhesion to the waist and legs of the user is further improved simply by joining the dorsal and ventral joints to each other.

The disposable absorbent article according to claim 3 is the disposable absorbent article according to claim 1 or 2, wherein the first leg elastic body and the second leg elastic body are inside the outer layer sheet. Between the sheet piece and the outer sheet piece, a plurality of absorbent article bodies are arranged substantially symmetrically with respect to the longitudinal direction.

The first elastic body for leg and the second elastic body
A plurality of leg elastics are arranged between the inner sheet piece and the outer sheet piece of the outer layer sheet so as to be substantially symmetrical with respect to the longitudinal direction of the absorbent article. Since it expands and contracts integrally over substantially the entire circumference, the adhesion to the user's legs is further improved.

Further, the first leg elastic body and the second leg elastic body push up the absorber in the crotch region at a plurality of points, so that the absorber is located near the user's crotch. , More tightly adhered to each other, further preventing leakage.

The disposable absorbent article according to a fourth aspect is the disposable absorbent article according to any one of the first to third aspects, wherein the back side joint portion is located around the waist of the user. And a leg-side connecting portion located near the leg-side portion.

Since the waist-side connecting portion and the leg-side connecting portion can individually and closely adhere to the waist and legs of the user, they are used according to various body types of the user.

The disposable absorbent article according to a fifth aspect is the disposable absorbent article according to the fourth aspect, in which the absorbent article body is between the waist-side connecting portion and the leg-side connecting portion on both sides in the width direction. In addition, a notch having an inner end side of a substantially arc shape is provided.

Then, by providing notches between the waist-side joints and the leg-side joints at both sides in the width direction of the absorbent article, the waist-side joints and the leg-side joints are formed. Since the absorbent article body is less likely to be distorted even when joined to the user's waist side and leg side, respectively, a gap is less likely to form with the user, and the adhesiveness is further improved.
Further, by making the inner end side of the cutout portion substantially arcuate, breakage of the absorbent article body from the inner end edge of the cutout portion is prevented.

[0024]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described below with reference to FIG.

In FIG. 1, the disposable absorbent article is, for example, a disposable paper diaper, and has a diaper body 1 as an absorbent article body. The diaper body 1 is to be worn along the body from the back side to the abdomen side of a user such as a sick person or an incontinent person from the unfolded state shown in FIG.
The diaper body 1 includes a liquid-permeable liquid-permeable surface sheet 2, a liquid-impermeable liquid-impermeable back sheet 3, a liquid-permeable surface sheet 2 and a liquid-impermeable back sheet 3. The absorbent body 4 having liquid absorbency disposed between the two layers and the outer layer sheet 5 bonded to the outer surface side of the liquid impermeable back sheet 3 are formed in layers.

Further, the liquid-permeable topsheet 2 and the liquid-impermeable backsheet 3 are joined at their peripheral edges with, for example, an adhesive or the like to seal the absorber 4. Further, at the joints of the liquid-permeable topsheet 2 and the liquid-impermeable backsheet 3 on both sides in the width direction along the longitudinal direction, elongated gathers are formed on both side edges of the liquid-permeable topsheet 2. A sheet piece 6 is provided,
The opposite inner edges of the gather sheet piece 6 are free ends. Then, near the opposite inner edges of the gather sheet piece 6, a gather sheet forming elastic body 7 such as a string-shaped rubber is fixed in a stretched state substantially along the longitudinal direction of the gather sheet piece 6. .

Here, the liquid-permeable topsheet 2 is formed of a sheet material such as woven cloth, non-woven cloth, porous film, or synthetic fiber, which has liquid-permeability and air-permeability and which has a feeling close to that of underwear. While excreting liquid such as urine permeates the absorbent body 4, it does not cause discomfort even if it directly contacts the body.

The liquid-impermeable backsheet 3 is made of a sheet material having liquid-impermeability and breathability, such as synthetic resin such as polyethylene resin, and is made of excreted liquid such as urine. Other clothing, such as underwear,
Alternatively, it prevents stains such as sheets.

Further, the absorbent body 4 is made of a material mainly composed of pulp, for example, and is made of a material partially containing a substance such as a polymer absorbent, and is formed in a sheet shape so that the excreted liquid such as urine can be sufficiently absorbed. Absorb.

The liquid-permeable top sheet 2, the liquid-impermeable back sheet 3 and the absorbent body 4 are formed in a substantially rectangular shape having a longitudinal direction substantially along the longitudinal direction of the diaper body 1.

In the unfolded state of the gathered sheet 6 before the diaper body 1 is attached, the gathered sheet forming elastic body 7 extends along the surface, and in the attached state of the diaper body 1, the gathered sheet piece 6 is formed. The contraction of the elastic body 7 forms a three-dimensional gather in which the opposite inner edges of the gather sheet pieces 6 rise from the liquid-permeable surface sheet 2 and become wall-shaped.

Further, the outer layer sheet 5 is formed to be larger than the liquid permeable top sheet 2, the liquid impermeable back sheet 3 and the absorber 4, and has breathability and liquid impermeable inner sheet piece 11 and outer sheet. The piece 12 is formed by superimposing it in the thickness direction and integrally joining the pieces, and the outer surface of the liquid-impermeable backsheet 3 is joined to the inner sheet piece 11 with, for example, an adhesive.

In the unfolded state of the outer layer sheet 5, the back waistline part 13, the crotch part 14 and the abdominal waistline part 15 are sequentially formed integrally in the longitudinal direction of the diaper body 1, and It is formed in a substantially rectangular shape that is line-symmetric with respect to the center line substantially along the direction, and on both side edges in the width direction of this crotch part 14,
A leg-surrounding portion 16 is formed by cutting out in a substantially concave arc shape.

The liquid-permeable top sheet 2, the liquid-impermeable back sheet 3, and the absorber 4 are the outer layer sheet 5 of the diaper body 1.
Are arranged substantially along the longitudinal direction of the back waistline portion 13, the crotch waist portion 14, and the abdominal waistline portion 15 over substantially the center.

Further, the back waistline portion 13 of the outer layer sheet 5 of the diaper body 1 is formed at one end side in the longitudinal direction of the diaper body 1 in the unfolded state, and the diaper body 1 is appropriately bent from the unfolded state, It is a part located on the back side around the waist of the user. Then, on the inner surface of the back waistline portion 13 on the skin side of both outer edge portions in the longitudinal direction of the diaper body 1, for example, a back side coupling portion 21 formed by a loop member of a hook and loop fastener is attached. There is. This dorsal joint 21
Is attached in a state in which the longitudinal direction is substantially along the longitudinal direction of the diaper body 1.

In addition, the crotch part 14 of the diaper body 1 is continuous in the longitudinal middle part in the expanded state from the back waistline part 13 to the abdominal waistline part 15 in the longitudinal direction of the diaper body 1. The diaper body 1 is integrally formed, and the diaper body 1 is appropriately bent from the unfolded state to be a portion located at the crotch of the user. In addition, the leg circumference portion 16 formed in a substantially concave arc shape on the both side edges of the crotch circumference portion 14 is formed to have a width dimension narrower than the width dimensions of the back waist portion 13 and the abdominal waist portion 15, and Adapted to the legs around.

The abdominal waist part 15 of the diaper body 1 is
Inseam around the longitudinal direction of the diaper body 1 in the unfolded state 14
Is integrally formed continuously on the other end side opposite to the back waistline portion 13, and the diaper body 1 is appropriately bent from this expanded state to be a portion located on the waistline around the waist of the user. ing. Further, like the back waistline portion 13, the abdominal waistline portion 15 is formed in a substantially rectangular shape having a longitudinal direction substantially along the width direction of the diaper body 1.

Further, in the vicinity of both outer sides of the outer sheet pieces 12 of the outer layer sheet 5 in the longitudinal direction of the diaper body 1 of the abdominal waistline portion 15, both sides of the back waistline portion 13 are connected to the backside joint portions 21. An abdominal side coupling portion 22 is provided which is formed by a hook member of a substantially rectangular surface fastener that is detachably joined to the hook member. The abdominal side connecting portion 22 is formed in a substantially rectangular shape, and is provided with its longitudinal direction substantially along the longitudinal direction of the diaper body 1. Further, the ventral side joint portion 22 is formed wider than the back side joint portion 21 in a plan view.

In the back waistline portion 13 and the abdominal waistline portion 15 of the diaper body 1, waist elastics, which extend and contract in the width direction of a plurality of, for example, cord-shaped rubbers, are provided substantially along the longitudinal direction. In a state where the bodies 23 and 24 are stretched, they are fixed along the width direction with, for example, an adhesive. With these waist elastics 23 and 24, the dorsal waist 13 and the abdominal waist
Elasticity is given to substantially the entire area of 15, that is, substantially the entire circumference around the waist of the user.

Further, in the back waistline portion 13 located between the inner sheet piece 11 and the outer sheet piece 12 of the outer layer sheet 5,
For example, the first leg elastics 25 and the second leg elastics 26 such as cord-shaped rubber are arranged in a stretched state.

Here, the first leg elastic body 25 is the diaper body 1 on the waist side of the user of the back waist portion 13.
One side in the width direction, that is, from the vicinity of the dorsal side coupling portion 21, bends in the folding direction through the vicinity of the leg around portion 16 on the same side and the crotch around portion 14, and the back side near the leg around portion 16 on the other side. Waist area
It is formed in a shape extending to 13, that is, a substantially V-shape.

On the other hand, the second leg elastics 26 are disposed at positions substantially symmetrical to the first leg elastic 25 in the width direction of the diaper body 1. That is, the back waistline portion 13
From the vicinity of the first leg elastic body 25, which is the other side in the width direction of the diaper body 1 on the waist side of the user, that is, from the vicinity of the back side coupling portion 21, the leg circumference of the same side It is formed in a shape that is bent in the folding direction through the vicinity of the portion 16 and the crotch portion 14 and extends in the vicinity of the leg portion 16 on the other side, that is, a substantially V-shape. Furthermore, this second elastic body for leg 26
Intersects with the first leg elastics 25 in the substantially central region of the crotch region 14, that is, on the absorber 4.

As a result, in the leg part 16, the first leg elastic member 25 and the second leg elastic member 26 are provided.
Elasticity is imparted in the longitudinal direction and the width direction of the diaper body 1, and the leg portion 16 of the diaper body 1 is formed in a gather portion.

Further, a cover sheet 27 having liquid permeability and breathability such as nonwoven fabric is laminated on the surface of the liquid permeable surface sheet 2 of the back waist portion 13 and the abdominal waist portion 15 of the diaper body 1. Is provided.

Next, the operation of the first embodiment will be described.

First, at the time of wearing, the back side waistline portion 13 of the diaper body 1 in the unfolded state shown in FIG. 1 is used, and the liquid permeable surface sheet 2 side is used on the lower side of the waist of the user lying on his back. Place it on the person's skin side. In this state, the liquid-permeable surface sheet 2 located on the upper surface is bent along the crotch of the user,
The crotch part 14 is applied to the crotch and the abdominal waist part 15 is applied to the abdomen side of the user. After that, the three-dimensional gather by the gather sheet piece 6 rises in a state of protruding in a wall shape, and the tip edge portion contacts the crotch portion of the user.

Further, both sides of the back waistline portion 13 and the abdominal waistline portion 15 are applied to the waistline, and the backside waistline portion is attached to the abdominal joint portions 22 near both outer sides of the abdominal waistline portion 15. By joining the dorsal side coupling portions 21 near both outer sides of 13 to wear it on the user's body in the form of pants. In this state, the gather portion of the leg portion 16 contacts the user's leg portion.

At this time, the waistlines are provided between the inner sheet piece 11 and the outer sheet piece 12 of the back waistline portion 13 and the abdominal waistline portion 15 over substantially the entire longitudinal direction of the diaper body 1. Elastic bodies 23, 24 and one end portion is the back side coupling portion 21.
The first leg elastics 25 and the second leg elastics 26 located in the vicinity of the dorsal joint act integrally, and when the user wears the diaper body 1, the back waistline portion 13, The abdominal waist portion 15 and the leg portion 16 are formed by the waist elastic bodies 23, 24, the first leg elastic body 25, and the second leg elastic body 26 so that the width of the diaper body 1 is increased. These dorsal waistline parts expand and contract in the direction
The waist 13 and the abdominal waist 15 closely contact the waist and legs of the user.

The tip edge of the three-dimensional gather formed by the gather sheet piece 6 is brought into close contact with both sides of the user's crotch portion due to the elasticity of the gather sheet forming elastic body 7, and the first leg of the diaper body 1 is rotated. The gather portion formed by the elastic body 25 for a leg and the elastic body 26 for the second leg closely contacts the leg of the user to prevent leakage of excreted liquid such as urine.

Further, the first leg elastic member 25 and the second leg elastic member 25
Since both ends of the absorbent body 4 in the width direction are pressed toward the center of the absorbent body 4 in the width direction by the intersecting portions of the leg elastics 26, the absorbent body 4 moves in the plane direction of the diaper body 1. It is pushed up and close to the user's crotch area.

Further, the first leg elastics 25 and the second leg elastics 26 form an intersection between the first leg elastics 25 and the second leg elastics 26. The diaper body 1 between the back waistline portion 13 expands and contracts in the width direction and comes into close contact with the buttocks of the user.

On the other hand, when the diaper body 1 is removed from the user, the dorsal side joint 21 is separated from the abdomen side joint 22 and both side portions of the abdominal waistline portion 15 in the width direction are pulled to lie on the back. Remove by pulling out from under the waist of the user who is lying down.

As described above, according to the first embodiment, the inner sheet is provided on the back waistline portion 13 and the abdominal waistline portion 15 of the outer layer sheet 5 over substantially the entire longitudinal direction of the diaper body 1. Between the piece 11 and the outer sheet piece 12, waist elastics 23 and 24 that expand and contract in the width direction of the diaper body 1 are arranged. As a result, the back waistline portion 13 and the abdominal waistline portion 15 are expanded and contracted by the waistline elastic bodies 23, 24, so that when attached to the user, the adhesion of the user's waistline is improved. it can.

In the back waistline portion 13 between the inner sheet piece 11 and the outer sheet piece 12, from the one side in the width direction of the diaper body 1 on the waistline side of the user, the leg section 16 on the same side. A first leg elastic member 25 is provided which extends near the leg portion 16 on the other side through the vicinity and the crotch portion 14. further,
The second leg elastics 26 are arranged symmetrically with respect to the width direction of the first leg elastics 25 and the diaper body 1. That is, the second leg elastic member 26 is provided from the other side in the width direction of the diaper body 1 on the waist side of the user from the leg side portion 16 on the same side.
The first leg elastics 25 extend to the vicinity of the leg part 16 on the other side through the vicinity and the crotch part 14, and are disposed so as to intersect with the first leg elastic body 25 in a substantially central region. As a result, the first leg elastics 25 and the second leg elastics 26 are attached to the crotch part.
Since it intersects in the approximate center area of 14, this crotch part 14,
Alternatively, since the absorber 4 is more closely attached to the user's inseam and buttocks, the adhesion to the user can be further improved.

Further, both ends of the waist elastics 23, 24 are located near the back joint 21 and the abdomen 22, respectively, and the first leg elastic 25 and the second leg elastic 25 are provided. Since one ends of the leg elastics 26 are located in the vicinity of the back joint portion 21 around the waist of the user, respectively, the waist elastics 2
3, 24, the first leg elastics 25, and the second leg elastics 26 allow the user's legs to be in close contact with each other and the waist as well. That is, the waist elastics 23, 24, the first leg elastics 25, and the second leg elastics 26 act integrally to provide the user's waist and leg adhesion. Can be improved.

Then, the absorbent body 4 is replaced with the liquid-permeable surface sheet 2
The first leg elastic body 25 and the second leg elastic member 25 are provided in a substantially central region of the crotch portion 14 between the liquid impermeable back sheet 3 and the liquid impermeable back sheet 3.
The leg elastics (26) are made to intersect each other in the substantially central region of the crotch part (14). Therefore, these first leg elastics 25
And the crotch part at the intersection of the second leg elastic 26.
Since the fourteen absorbers 4 are pushed up and come into close contact with the vicinity of the user's crotch, leakage of excreted liquid such as urine can be prevented.

Further, since the back side connecting portion 21 and the abdominal side connecting portion 22 are made detachable, the back side connecting portion can be easily attached and detached.
By only removing 21 from the abdominal side coupling portion 22, it is not necessary to take off the pants, for example, and the user can easily remove it and the workability of attachment / detachment can be improved.

Further, both ends of the waist elastics 23, 24 are located near the back joint 21 and the abdomen 22, respectively, and the first leg elastic 25 and the second leg elastic 25 are provided. Since one ends of the leg elastics 26 are located in the vicinity of the back joint 21 around the waist of the user, the back joint 21 and the abdominal joint 22 form the waist elastics 23, 24. The first leg elastics 25 and the second leg elastics 26 expand and contract. As a result, it is possible to further improve the adherence around the waist and legs of the user only by joining the back joint 21 and the abdomen 22 together.

In the first embodiment, the first leg elastics 25 and the second leg elastics 26 are used.
May be arranged at the position shown in FIG. That is, the first
The leg elastic 25 is passed through the crotch portion 14 from one side in the width direction of the diaper body 1 on the waist side of the user of the abdominal waist portion 15, that is, in the vicinity of the abdominal joint portion 22. Diaper body 1
It is arranged in a shape extending to the back waistline portion 13 near the other leg portion 16 on the other side, that is, in a substantially S-shape.

On the other hand, the second leg elastics 26 are arranged at positions substantially symmetrical to the first leg elastic 25 in the width direction of the diaper body 1. That is, one side of the abdominal waistline portion 15 opposite to the first leg elastic 25, which is the other widthwise side of the diaper body 1 on the user's waistline side, that is, the abdominal joint portion 22. The shape extends from the vicinity to the dorsal waist part 13 near the leg part 16 on the other side of the diaper body 1 through the crotch part 14 and the crotch part 14, that is, a substantially S-shape. Set up.

In this case as well, the same operational effects as those of the embodiment shown in FIG. 1 can be obtained.

Next, a second embodiment of the present invention will be described with reference to FIG.

The embodiment shown in FIG. 3 has basically the same configuration as the embodiment shown in FIG.
The leg elastics 25 and the second leg elastics 26 are
The inner sheet piece 11 and the outer sheet piece 12 of the outer layer sheet 5 are arranged substantially symmetrically with respect to the longitudinal direction of the diaper body 1. That is, the first leg elastics 25 and the second leg elastics 26, which are also disposed in the abdominal waistline portion 15 and are disposed in the back waistline portion 13, and the diaper body, respectively. 1 is substantially symmetrical with respect to the longitudinal direction.

That is, the first leg elastics 25 provided on the abdominal waistline portion 15 are located in the widthwise direction of the diaper body 1 on the waistline side of the user of the abdominal waistline portion 15. On the side, that is, from the vicinity of the abdominal joint portion 22, it bends in the folding direction through the vicinity of the leg portion 16 on the same side and the crotch portion 14 to the abdominal waist portion 15 near the leg portion 16 on the other side. It has an extended shape, that is, a substantially V-shape.

On the other hand, the second leg elastics 26 provided in the abdominal waistline portion 15 are arranged in the widthwise direction of the diaper body 1 on the waistline side of the user of the abdominal waistline portion 15. Side, that is, an abdominal side connecting portion that is one side opposite to the first leg elastic body 25.
From the vicinity of 22 to the vicinity of the leg part 16 on the same side and the crotch part
The first elastic body 25 for leg rotation and the width of the diaper body 1 are bent in the folding direction through 14 and extend in the vicinity of the leg rotation portion 16 on the other side to have another shape, that is, a substantially V shape. It is formed substantially symmetrically with respect to the center line of the direction. Further, the second leg elastics 26 disposed on the abdominal waistline portion 15 are the same as the first leg elastics 25 disposed on the abdominal waistline portion 15 and the crotch portion. They intersect in the approximate center region of 14, that is, on the absorber 4.

When the disposable paper diaper is worn by the user, the back waistline portion 13 of the diaper body 1 in the unfolded state shown in FIG. 4 is placed on the lower side of the waist of the user lying on his back. The liquid-permeable surface sheet 2 is laid so that it faces the user's skin side, and the liquid-permeable surface sheet 2 is bent along the user's inseam, and the crotch part 14 is applied to the crotch and the abdominal waist part. The dorsal side joint portion 21 and the abdominal side joint portion 22 are joined while 15 is applied to the abdomen side of the user.

At this time, the back waistline part 13 and the abdominal waistline part
With the first leg elastics 25 and the second leg elastics 26, the leg parts 16 expand and contract integrally over substantially the entire circumference of the user's legs, and the user's leg parts Stick to.

Further, the first leg elastic member 25 and the second leg elastic member 25
By the leg elastics 26, the absorber 4 is pushed up in the surface direction of the diaper body 1 at both ends in the longitudinal direction, and is brought into close contact with the vicinity of the user's crotch to prevent leakage of excreted liquid such as urine.

As described above, according to the second embodiment, the waist elastics 23 and 24 are provided in the back waistline portion 13 and the abdominal waistline portion 15, and the first leg is provided. The elastic body 25 for rotation and the elastic body 26 for the second leg are arranged in the back waistline portion 13 to have the same configuration as that of the embodiment shown in FIG. The same effects as those of the embodiment can be obtained.

Further, the first leg elastic member 25 and the second leg elastic member 25
The leg elastics 26 of the
And by arranging in the abdominal waist part 15 respectively,
Since the leg part 16 integrally expands and contracts over substantially the entire circumference of the user's leg, the close contact with the user's leg can be further improved.

Further, the absorber 4 is pushed up by the first leg elastics 25 and the second leg elastics 26 of the back waist portion 13 and the abdominal waist portion 15 to absorb the absorption. Since the body 4 is more closely attached to the vicinity of the user's crotch, it is possible to further prevent leakage of excreted liquid such as urine.

In the second embodiment, the first leg elastics 25 and the second leg elastics 26 are used.
May be arranged at the position shown in FIG. That is, FIG.
Similarly to the embodiment shown in FIG.
Is arranged in a shape extending from the vicinity of the abdominal joint portion 22 through the crotch portion 14 to the back waist portion 13 near the leg portion 16 on the other side of the diaper body 1, that is, in a substantially S-shape. The second elastic body 26 for legs is provided with the elastic body 25 for first legs and the diaper body 1
Are arranged at positions that are substantially symmetrical with respect to the width direction. Then, the first leg elastics 25 and the second leg elastics 26 are also arranged at positions symmetrical to each other in the longitudinal direction of the diaper body 1.

Also in this case, the same operational effects as those of the embodiment shown in FIG. 3 can be obtained.

Next, a third embodiment of the present invention will be described with reference to FIG.

The embodiment shown in FIG. 5 has basically the same configuration as that of the embodiment shown in FIG. 1, but the back side joint portion 21 has a waistline in the back side waistline portion 13. It is divided into a waistline-side connecting portion 31 located on the side and a leg-side connecting portion 32 located on the leg-side.

When the disposable absorbent article is worn by the user, the back waistline portion 13 of the diaper body 1 in the unfolded state shown in FIG. 5 is placed on the back of the user's waist. The liquid-permeable surface sheet 2 is laid so that it faces the user's skin side, and the liquid-permeable surface sheet 2 is bent along the user's crotch, and the crotch part 14 is applied to the crotch and the abdominal waist. While applying the waist portion 15 to the abdomen side of the user, the waist joint portion 31
And the leg joint 32 are joined to the abdominal joint 22.

At this time, the waist-side connecting portion 31 and the leg-side connecting portion 32 allow the diaper body 1 to be brought into close contact with the waist and legs of the user separately.

As described above, according to the third embodiment, the waist elastics 23, 24 are provided in the back waistline portion 13 and the abdominal waistline portion 15, and the first leg is provided. The elastic body 25 for rotation and the elastic body 26 for the second leg are arranged in the back waistline portion 13 to have the same configuration as that of the embodiment shown in FIG. The same effects as those of the embodiment can be obtained.

Also, the waist-side connecting portion 31 and the leg-side connecting portion
With 32, since the diaper body 1 can be adhered to the waist and legs of the user separately, regardless of the size of the waist of the user, which generally has a relatively large individual difference,
It can be used for various body types such as so-called lean type and obese type.

Next, a fourth embodiment of the present invention will be described with reference to FIG.

The embodiment shown in FIG. 6 has basically the same structure as that of the embodiment shown in FIG. 5, except that the waist-side connecting portions 31 on both sides in the width direction of the diaper body 1 are connected to each other. A notch 33 having a substantially U-shape when viewed from above and having a substantially arcuate inner end is provided between the leg-side coupling portion 32 and the leg-side coupling portion 32.

When this disposable absorbent article is worn by the user, the back waistline portion 13 of the diaper body 1 in the expanded state shown in FIG. 6 is placed on the back of the user's waist. The liquid-permeable surface sheet 2 is laid so that it faces the user's skin side, and the liquid-permeable surface sheet 2 is bent along the user's crotch, and the crotch part 14 is applied to the crotch and the abdominal waist. While applying the waist portion 15 to the abdomen side of the user, the waist joint portion 31
And the leg joint 32 are joined to the abdominal joint 22.

At this time, the waist-side joint portion 31 and the leg-side joint portion 32 do not pull each other by the notch portion 33, and the back-side waist portion 13 of the diaper body 1 does not fit the user. There is no gap around the waist on the back side and it sticks.

As described above, according to the fourth embodiment, the dorsal joint 21 is divided into the waist joint 31 and the leg joint 32, as shown in FIG. By having the same configuration as that of the embodiment, the same operational effect as that of the embodiment shown in FIG. 5 can be obtained.

Further, by providing the notch 33 between the waist-side connecting portion 31 and the leg-side connecting portion 32 on both sides in the width direction of the diaper body 1, the waist-side connecting portion 31 and the leg-side connecting portion 31 are provided. Even if the joint portion 32 is joined to the user's waist side and leg side, respectively, the waist side joint portion 31 and the leg side joint portion 32 do not pull each other. As a result, the diaper body 1 is less likely to be distorted, so that a gap is less likely to be formed between the diaper body 1 and the user, and the adhesion can be further improved.

Further, by making the inner end side of the notch 33 substantially arcuate, it is possible to prevent the diaper body 1 from breaking from the inner end edge of the notch 33.

In the first embodiment, the third embodiment, and the fourth embodiment, the first leg elastics 25 and the second leg elastics 26 are It suffices to be disposed only on at least one of the back waistline portion 13 and the abdominal waistline portion 15.

Further, the first leg elastic member 25 and the second leg elastic member 25
The leg elastics 26 may be provided in the back waistline portion 13 and the abdominal waistline portion 15, respectively. In this case, the crotch part 14 and the absorber 4 are pushed up further by the first leg elastic member 25 and the second leg elastic member 26, and the user's crotch, lower abdomen, The diaper body 1 can be more closely attached to the buttocks and the like.

Furthermore, in each of the above embodiments, FIG.
As shown in FIG. 5, the back side joint portion 21 is formed over the entire widthwise sides of the back side waistline portion 13 substantially along the longitudinal direction of the diaper body 1, and the abdominal side joint portion 22 is formed on the abdominal side. The dorsal side joint 21 and the abdominal side joint 22 are joined to each other over the entire area on both sides in the width direction of the waistline portion 15 substantially along the longitudinal direction of the diaper body 1 by using, for example, a double-sided adhesive tape. As a result, the diaper body 1 has the back waistline portion 13 and the abdominal waistline portion 15 that form a waistline opening portion, and the legpiece portion 16 that forms a pair of left and right legboard opening portions. It may be preformed in a shape.

Then, the back side connecting portion 21 and the ventral side connecting portion 22
For example, either one may be a loop member and the other one may be a hook member, or they may be joined by an adhesive or the like and not detachable.

[0091]

According to the disposable absorbent article of the first aspect, the inner side of the outer layer sheet is provided in the back waist region and the abdominal waist region of the outer layer sheet over substantially the entire area in the longitudinal direction of the absorbent article body. Between the sheet piece and the outer sheet piece, a waist elastic that stretches in the width direction of the absorbent article is disposed, and between the inner sheet piece and the outer sheet piece of the outer layer sheet, the back waistline. From one side in the width direction of the absorbent article body on the waist side of at least one of the user's waist and the waist side of the waist, through the crotch part of the back waist part and the abdominal waist part. A first leg elastic body extending near at least one of the other leg portions, and a first leg elastic member and an absorbent article body that are positioned substantially symmetrically in the width direction. Crosses the leg elastic body 1 at the center of the crotch area Disposing a second leg elastic member that. As a result, the back waist region and the abdominal waist region are expanded and contracted by the waist elastic body, so that when attached to the user, the adhesion to the waist region of the user is improved and the first leg is also provided. Since the elastic body for rotation and the second elastic body for leg cross each other in the substantially central region of the crotch portion, the crotch portion,
Alternatively, since the absorber more closely contacts the user's inseam, it is possible to further improve the adhesion to the user.

Further, both ends of the waist elastic body are located near the dorsal side connecting portion and the abdominal side connecting portion, respectively, and the first leg elastic body and the second leg elastic body are respectively provided. Since the ends are respectively located around the waist of the user, the waist of the user can be closely attached while the legs of the user are closely attached. That is, the waist elastics, the first leg elastics, and the second leg elastics act integrally to improve the user's waist and leg adhesion.

Further, the absorber is arranged at least in a substantially central region of the crotch region between the liquid permeable top sheet and the liquid impermeable back sheet, and the first leg elastic body and the second leg elastic body are provided. By crossing the leg elastics in the substantially central region of the crotch part, the absorber of the crotch part is formed at the intersection of the first leg elastic member and the second leg elastic member. Since it is pushed up and adheres to the vicinity of the user's inseam, leakage can be prevented.

According to the disposable absorbent article of the second aspect, the abdominal joint portion and the back joint portion are detachably joined to each other, so that they can be easily attached to and detached from the user. At the same time, both ends of the waist elastic are located near the dorsal joint and the ventral joint, respectively, and the ends of the first leg elastic and the second leg elastic are located. Are located in the vicinity of at least one of the dorsal side connecting part and the abdominal side connecting part, respectively, so that these dorsal side connecting parts and abdominal side connecting parts are these waist elastics, first leg elastics, Further, since the second elastic member for legs extends and contracts, it is possible to further improve the adhesion of the user's waist and legs by simply joining the dorsal side joint and the abdominal side joint.

According to the disposable absorbent article of the third aspect, the first leg elastic body and the second leg elastic body are respectively absorbed between the inner sheet piece and the outer sheet piece of the outer layer sheet. By arranging a plurality of elastic article bodies substantially symmetrically with respect to the longitudinal direction, the leg parts expand and contract integrally over substantially the entire circumference of the user's legs, so that the adhesion to the user's legs is more improved. Can be improved.

Further, the first leg elastic body and the second leg elastic body of the back waist region and the abdominal waist region push up the absorber of the crotch region to absorb the absorption. Since the body is more closely attached to the vicinity of the user's inseam, leakage can be further prevented.

According to the disposable absorbent article of the fourth aspect, the waist-side joint portion and the leg-side joint portion can be adhered to the waist and leg of the user separately, so that the user's various joints can be contacted with each other. It can be used for any body type.

According to the disposable absorbent article of the fifth aspect, the waist is provided by providing a notch between the waist-side connecting portion and the leg-side connecting portion on both sides in the width direction of the absorbent article body. Since the absorbent article body is less likely to be distorted even if the waist-side joint portion and the leg-side joint portion are joined to the user's waist side and leg side, respectively, it is difficult to form a gap with the user. And the adhesion can be further improved. Further, by making the inner end side of the cutout portion substantially arcuate, it is possible to prevent the absorbent article from breaking from the inner end edge of the cutout portion.

[Brief description of drawings]

FIG. 1 is a front view showing a first embodiment of a disposable absorbent article of the present invention.

FIG. 2 is a front view showing another example of the above-described first embodiment.

FIG. 3 is a front view showing a second embodiment of the disposable absorbent article of the present invention.

FIG. 4 is a front view showing another example of the second embodiment.

FIG. 5 is a front view showing a part of a third embodiment of the disposable absorbent article of the present invention.

FIG. 6 is a front view showing a part of a fourth embodiment of the disposable absorbent article of the present invention.

FIG. 7 is a front view showing another example of the disposable absorbent article of the present invention.

[Explanation of symbols]

1 Diaper body as absorbent article body 2 Liquid-permeable surface sheet 3 Liquid-impermeable back sheet 4 absorber 5 outer layer sheet 11 Inner sheet piece 12 outer sheet pieces 13 Dorsal waist area 14 Inseam 15 Ventral waist area 16 Leg area 21 Dorsal joint 22 ventral joint 23, 24 waist elastic 25 First leg elastic 26 Second leg elastic 31 waist joint part 32 Leg side joint 33 Notch

Claims (5)

[Claims] 1. A liquid-permeable top sheet, a liquid-impermeable back sheet, an absorber disposed between the liquid-permeable top sheet and the liquid-impermeable back sheet, and the liquid-impermeable back sheet. An outer layer sheet joined to the outer surface side of the back waist part, a crotch part where leg parts are formed on both sides, and an abdominal waist part are sequentially and integrally formed in the longitudinal direction, and An absorbent article body in which both widthwise side portions of the back waistline portion and widthwise both sides of the abdominal waistline portion are joined, the outer layer sheet is a surface facing the liquid impermeable backsheet sheet side. And an outer sheet piece facing the clothing side of the user, wherein both side portions in the width direction of the abdominal waistline portion of the outer layer sheet are provided with abdominal side joint portions, respectively. Each of the abdominal joints is provided on both sides in the width direction of the back waistline portion of the outer layer sheet. A back side joining portion to be joined is provided, and the absorbent body is disposed at least in a substantially central region of the crotch around portion between the liquid permeable topsheet and the liquid impermeable backsheet, and the outer layer sheet In the dorsal side waist part and the abdominal side waist part, over substantially the entire longitudinal direction of the absorbent article body, between the inner sheet piece and the outer sheet piece of the outer layer sheet,
A waistline elastic body that expands and contracts in the width direction of the absorbent article is disposed, and between the inner sheet piece and the outer sheet piece of the outer layer sheet, the back waistline portion and the abdominal waistline portion From one side in the width direction of the absorbent article body on the waistline side of at least one of the users, at least one of the back waistline part and the abdominal waistline part through the crotch part The first leg elastic body extending in the vicinity of the leg leg portion on the side, and the first leg positioned substantially symmetrically with respect to the width direction of the first leg leg elastic body and the absorbent article body. The second intersecting elastic body for rotation and the substantially central region of the crotch part
Disposable absorbent article, characterized in that the elastic body for leg movement is provided. 2. The disposable absorbent article according to claim 1, wherein the abdominal side joint portion and the back side joint portion are detachably joined. 3. The first leg elastic body and the second leg elastic body are arranged substantially symmetrically with respect to the longitudinal direction of the absorbent article between the inner sheet piece and the outer sheet piece of the outer layer sheet. The disposable absorbent article according to claim 1 or 2, wherein a plurality of disposable absorbent articles are provided. 4. The back joint part is composed of a waist joint part located on the waist side of the user and a leg joint part located near the leg part. The disposable absorbent article according to any one of 1 to 3. 5. The absorbent article body is provided with a notched portion having an inner end side of a substantially arc shape between the waist-side connecting portion and the leg-side connecting portion on both sides in the width direction. The disposable absorbent article according to claim 4, which is characterized.