JP2002165820A - Throw-away absorptive article - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a throw-away absorptive article which enables a user to obtain a comfortable wearing feel without oppressing the abdomen, can prevent the user from removing the absorptive article by his or her own choice and is easily attachable and detachable. SOLUTION: A diaper body 1 of the throw-away diaper is constituted by disposing an absorber 4 between a liquid permeable front surface sheet 2 and a liquid impermeable rear surface sheet 3 and joining an outer layer sheet 5 to the outer side of the liquid impermeable rear surface sheet 3. The outer layer sheets 5 forms a back side waist girth 11, crotch girth 12 and abdomen side waist girth 13. Both sides of the back side waist girth 11 are integrally provided with coupling receiving parts 15 over the entire area thereof. Both sides of the abdomen side waist girth 13 are integrally provided with coupling parts 16 attachable and detachable to the coupling receiving parts 15 over the entire area thereof. First elastic bodies 17 and second elastic bodies 18 which are extended and contracted in the transverse direction are disposed between an inner side outer layer sheet piece 9 and outer side outer layer sheet piece 10 formed by superposing and joining the outer layer sheet 5 over approximately the entire area in the longitudinal direction of the back side waist girth 11 and the abdomen side waist girth 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art Conventionally, a disposable diaper described in Japanese Patent Publication No. 4-67865 is known as a disposable absorbent article of this kind. This disposable diaper has a diaper body formed of a liquid-permeable topsheet, a liquid-impermeable backsheet, and an absorber disposed between the liquid-permeable topsheet and the liquid-impermeable backsheet. ing. And
The diaper body includes a back waist portion, a crotch portion having leg portions on both side edges in the width direction, and a ventral waist portion, which are sequentially and integrally formed in the longitudinal direction. Further, elastic members that expand and contract in the width direction are provided at longitudinal outer ends of the back waist portion and the abdominal waist portion of the diaper body. In addition, connecting portions such as hook-and-loop fasteners are provided on both sides in the width direction of the back waist portion of the diaper body, respectively, and the user is attached to the connecting portions on both sides in the width direction of the abdominal waist portion. A coupling receiving portion such as a hook-and-loop fastener is provided on the abdomen side and detachably coupled to each other, and has a pants-shaped configuration when mounted.

[0003] A disposable diaper of this type is not worn by the user himself, but is worn or removed by a caregiver. For this reason, when wearing a disposable diaper, tighten the circumference of the belly and around the legs to prevent urine leakage so that the disposable diaper does not slip or create a gap between the diaper and the skin. They tend to be overtightened. The diaper has almost no elasticity in the width direction except for the portion where the elastic body at the upper end of the back waist portion and the abdominal waist portion is provided in the disposable diaper mounted state. For this reason, for example, when the abdomen is swollen after a meal, the tightened state is further strengthened, giving the user a great feeling of discomfort.

Further, if the diaper is worn somewhat loosely, a gap may be formed on the crotch side between the back waist portion and the abdominal waist portion when the user operates, and excreted liquid such as urine may leak. is there.

[0005] Further, in the disposable diaper, the connecting portions provided on both sides of the back waist portion in the mounted state are connected by the connecting receiving portions provided on both sides of the abdominal waist portion on the abdomen side of the user. In addition, while the disposable diaper can be easily mounted, there is a problem that a user may disengage the disposable diaper and remove the disposable diaper.

[0006] Further, the liquid-permeable top sheet, the liquid-impermeable back sheet, and the absorber disposed between the liquid-permeable top sheet and the liquid-impermeable back sheet, a back waist portion, A crotch portion and a ventral waist portion having leg portions on both side edges in the width direction are formed integrally in the longitudinal direction sequentially, and widths are respectively formed at longitudinal outer ends of the dorsal waist portion and the abdominal waist portion. There is also known a so-called pants-type disposable diaper having a configuration in which an elastic body that expands and contracts in the direction is provided and both sides in the width direction of the back waist portion are respectively joined to both sides in the width direction of the abdominal waist portion in advance.

[0007] Since this pants-type disposable diaper is attached and detached in the same manner as ordinary underwear, the wearer can comfortably use the diaper without wearing it too tight, and the user can remove the diaper without permission. Has the advantage that can not. However, since this pants-type disposable diaper is attached and detached in the same manner as ordinary underwear, when the caregiver replaces the diaper, remove the diaper after removing all of the user's pants and underwear, and then a new diaper. It is necessary for the user who is lying down to lift and lower the waist when attaching and detaching the diaper, which has a problem that the diaper changing operation is inconvenient and time-consuming.

[0008]

As described above, in the disposable diaper having the structure described in Japanese Patent Publication No. 4-67865, when the diaper is worn with excessive tightening so as not to cause leakage of urine, the user may wear the diaper. It gives a great feeling of discomfort to the user, and the user attaches and detaches the connecting part provided on the back of the diaper on the abdomen side of the user to the connection receiving part on the outer surface of the abdominal waist. There is a problem that there is a risk of removing it. In addition, in a disposable diaper having a pants type in which the both sides of the back part and the waist part are joined in advance, the diaper must be attached and detached after all the pants and underwear of the user are taken off. There is a problem that diaper changing work is difficult.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides a comfortable wearing feeling to a user. The user cannot easily remove the diaper, and can be easily replaced by a caregiver. An object of the present invention is to provide a disposable absorbent article.

[0010]

According to the first aspect of the present invention, there is provided a disposable absorbent article comprising a liquid-permeable topsheet, a liquid-impermeable backsheet, and a liquid-permeable topsheet and a liquid-impermeable backsheet. And an outer layer sheet bonded to the outside of the liquid-impervious back sheet, a back waist portion, a crotch portion having leg portions on both side edges in the width direction, and An absorbent article body in which a ventral waist portion is formed integrally in the longitudinal direction in order and both side portions in the width direction of the dorsal waist portion and the ventral waist portion are detachably coupled to each other; A coupling receiving portion is provided on both sides in the width direction of the back waist portion of the absorbent article body, and both sides in the width direction of the abdominal waist portion of the absorbent article body are provided with this. A coupling portion coupled to the coupling receiving portion is provided, and the outer layer sheet is provided with the liquid-impermeable backing. The outer waist part and the abdominal waist part are formed of an inner outer sheet piece facing the seat side and an outer outer sheet piece facing the wearer's clothes side, and the back waist part and the abdominal waist part formed on the outer layer sheet are formed. Elastic bodies that expand and contract at least in the width direction of the absorbent article body between the inner outer layer sheet piece and the outer outer sheet piece over substantially the entire area in the longitudinal direction of the absorbent article body are respectively formed of the coupling receiving part and the coupling part. It is arranged except for both sides.

The absorbent article is provided at least between the inner outer sheet piece and the outer outer sheet piece of the outer sheet over substantially the entire length of the back waist portion and the abdominal waist portion in the longitudinal direction. Since the elastic body that expands and contracts in the width direction is disposed, the absorbent article body is provided with elasticity in the width direction over the entire area of the back waist portion and the abdominal waist portion,
In a state where the both sides of the back waist portion and the abdominal waist portion are joined, the absorbent article body is provided with overall elasticity at the waist portion, without excessively tightening the waist around the user, The absorbent article adheres to the skin of the user, and does not cause leakage of urine, thereby improving the wearing feeling of the user.

[0012] Further, when the absorbent article is mounted, the both sides in the width direction of the back waist portion and the abdominal waist portion are joined, so that the care giver can easily attach / detach and replace the absorbent article. Since the coupling receiving portion is provided on the back waist portion and the coupling portion coupled to the coupling receiving portion is provided on the abdominal waist portion, the coupling position of the dorsal waist portion and the abdominal waist portion is determined by the user. It is located on the back side, and the coupling position is not located on the abdomen side of the user, thereby preventing the user from removing the absorbent article without permission.

Further, since the elastic body that expands and contracts in the width direction of the absorbent article body is disposed substantially over the entire area except for the coupling receiving portion and both side portions of the coupling portion, the back waist portion where the elastic body is disposed is provided. And because the waist and waist are not directly connected, irregular wrinkles do not occur, the connection between the back waist and the waist is reliable, and the workability of mounting the absorbent article is improved. I do.

[0014] The disposable absorbent article according to the second aspect is the disposable absorbent article according to the first aspect, wherein the absorbent article is provided with leg-absorbing parts formed on both sides in the width direction of the crotch part of the absorbent article body. An elastic body that extends and contracts in the longitudinal direction of the absorbent article is disposed between the inner outer sheet piece and the outer outer sheet piece of the outer sheet of the absorbent article.

The leg portions provided on both sides of the crotch portion of the absorbent article body are located between the inner outer sheet piece and the outer outer sheet piece of the outer sheet, and Since the elastic body that expands and contracts in the longitudinal direction is provided, the elastic body gives elasticity along the leg circumference on both sides of the crotch circumference, and it fits tightly around the user's leg and has a good wearing feeling, Prevent leakage of urine from around.

The disposable absorbent article according to the third aspect of the present invention is the disposable absorbent article according to the first or second aspect, wherein the disposable absorbent article is disposed on the back waist portion and the abdominal waist portion of the absorbent article body. The elastic body, the coupling receiving portions provided on both sides of the back waist portion, and the coupling portions provided on both sides of the ventral waist portion have a width dimension in the longitudinal direction of the absorbent article body. The elastic member disposed on the back waist portion, the elastic member disposed on the ventral waist portion, the coupling receiving portion, and the coupling portion have an absorbent property. Since the width in the longitudinal direction of the article body is substantially the same, the elasticity of the elastic body works efficiently, and it adheres to the entire waist without excessive tightening, so that the user's overall feeling of wearing the waist is good. Become.

The disposable absorbent article according to claim 4 is:
The disposable absorbent article according to any one of claims 1 to 3, wherein a dimension between widthwise side edges of a ventral waist portion formed on the absorbent article body is in a width direction of the back waist portion. The dimension is longer than the width dimension between both side edges.

Since the length in the width direction of the abdominal waist portion of the absorbent article is longer than the length of the dorsal waist portion in the width direction, the back waist portion and the abdominal waist portion are provided. Since the position where the parts are connected is definitely on the back side of the user, and the connection position is not located on the abdomen side of the user, the user is prevented from unintentionally removing it with a simple structure.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of one embodiment of the disposable absorbent article of the present invention will be described below with reference to the drawings.

The disposable absorbent article is, for example, a disposable diaper and includes a diaper 1 as an absorbent article. This diaper body 1 is a sick person from the unfolded state shown in FIG.
It is worn along the body from the back to the abdomen of a user such as an incontinent person. The diaper 1 has an elongated rectangular liquid-permeable top sheet 2 and an elongated rectangular liquid-impermeable liquid-permeable backsheet 3.
An elongated rectangular absorber 4 disposed between the liquid-permeable topsheet 2 and the liquid-impermeable backsheet 3; and an outer layer sheet 5 bonded to the outside of the liquid-impermeable backsheet 3. It is formed.

The liquid-permeable top sheet 2 and the liquid-impermeable back sheet 3 are joined at their peripheral edges with an adhesive or the like, and the absorber 4 is sealed. The liquid-permeable top sheet 2 and the liquid-impermeable back sheet 3 are joined at one longitudinal side of the liquid-impermeable elongated gather sheet piece 6 to the joining portion along the both longitudinal sides in the width direction. The edges are clamped together. further,
A gather-forming elastic body 7 such as a string-like rubber is fixed to the other side edge of the gather sheet piece 6 in an extended state along the longitudinal direction. In the unfolded state before the gather sheet pieces 6 are gathered, the gather forming elastic body 7 expands and the absorbent body 4
When the diaper body 1 is bent so that the inner outer layer sheet 5 is located inside, the gather forming elastic body 7 is overlaid on the liquid permeable top sheet 2 side and along the surface.
A three-dimensional gather 8 having a wall shape rising from the liquid-permeable topsheet 2 due to the contraction of the liquid-permeable topsheet 2 is formed.

The liquid-permeable topsheet 2 has a liquid permeability and a gas permeability, such as woven cloth, nonwoven cloth, porous film, synthetic fiber, etc., so that excreted liquid such as urine can pass through the absorber 4. It is made of a sheet material having a feeling similar to underwear so as not to cause discomfort because it is a part that has and directly contacts the body. Further, the liquid-impermeable back sheet 3 and the gather sheet piece 6 are made of synthetic resin such as polyethylene resin, for example, in order to prevent other clothes such as underwear or sheets from being stained with excreted liquid such as urine. It is formed of a liquid-impermeable and air-permeable sheet material such as Note that the gather sheet pieces 6 are made of the liquid-permeable top sheet 2.
Similarly to the above, since it is a part that comes into direct contact with the body as the three-dimensional gather 8, it is formed of a sheet material having a feeling similar to underwear. In order to sufficiently absorb excreted liquid such as urine, the absorber 4 is formed in a sheet shape using a material mainly containing pulp and partially including a substance such as a polymer absorber. Have been.

On the other hand, the outer layer sheet 5 is composed of an inner outer layer sheet piece 9 and an outer outer layer sheet piece 10 having air permeability and liquid impermeability.
Are formed in such a manner that they are overlapped in the thickness direction and integrally joined, and the outer side of the liquid-impermeable backing sheet 3 is the inner outer layer sheet piece 9.
Are bonded by an adhesive or the like.

In the outer layer sheet 5, the back waist portion 11, the crotch portion 12, and the abdominal waist portion 13 are formed integrally in the unfolded state in the longitudinal direction of the diaper body 1 in the longitudinal direction. The crotch portion 12 is formed with a leg circumference portion 14 which is cut off in a concave arc shape on both side edges in the width direction.

The liquid-permeable back sheet 2, the absorber 4, and the liquid-impermeable back sheet 3 are formed of the outer layer sheet 5 of the diaper 1.
In the state along the longitudinal direction, a back waist portion 11, a crotch portion 12, and an abdominal waist portion 13 are disposed substantially at the center.

The back waist portion 11 of the diaper 1 is
The diaper 1 is formed at one end in the longitudinal direction of the diaper 1 in the unfolded state, and the diaper 1 is appropriately bent from the unfolded state to form a portion located on the back side of the user's waist. The back waist portion 11 is formed in a substantially rectangular shape in which the width direction of the diaper body 1 is long, and the entire area of both side edges in the longitudinal direction of the diaper body 1 of the back waist portion 11 is provided with a hook-and-loop fastener or the like. Are provided integrally with each other.

The crotch portion 12 of the diaper 1 is formed integrally with the back waist portion 11 at the intermediate portion in the longitudinal direction in the unfolded state and continuously with the longitudinal direction of the diaper 1 in the unfolded state. The diaper body 1 is appropriately bent to form a portion located at the inseam of the user. In addition, the inseam circumference
The leg circumference 14 formed in a concave arc shape on both side edges of 11 is narrower than the width of the back waist part 11 and the abdominal waist part 13, and is adapted to the user's leg circumference.

Furthermore, the ventral waist portion 13 of the diaper body 1
The other end of the diaper 1 in the longitudinal direction in the unfolded state is formed continuously and integrally on the opposite side to the back waist part 11 of the crotch part 12, and the diaper 1 is appropriately bent from this unfolded state. , Which is located on the abdomen side of the user's waist. And this abdominal waist part 13 is a dorsal waist part
Like the case of 11, the diaper 1 is formed in a substantially rectangular shape that is long in the width direction.

Further, a semicircular hook-and-loop fastener or the like which can be engaged with and disengaged from the coupling receiving portion 15 of the dorsal waist portion 11 is provided on the whole of the both side edges in the longitudinal direction of the diaper body 1 of the abdominal waist portion 13. Joint
A plurality of 16 are provided integrally and continuously. The number of the coupling portions 16 is not limited to the configuration provided in a semicircular shape, and may be only one such as the coupling receiving portion 15.

The coupling receiving portion 15 and the coupling portion
The structure 16 is not limited to a planar fastener, for example, and may have a structure that can be engaged and disengaged by an appropriate means such as bonding with an adhesive layer.

The width of the diaper body 1 is the width of the ventral waist portion 13.
Length L between both side edges in the direction ₁But the back waist 1
Length dimension L between both side edges in width direction 1_TwoLonger formed
Have been. Furthermore, the back waist part 11 and the ventral waist part
Length L in the longitudinal direction of the diaper 13_Three, L
_FourAre formed to have substantially the same dimensions.

The entire area of the back waist portion 11 in the longitudinal direction of the diaper body 1 is located between the inner outer sheet piece 9 and the outer outer sheet piece 10 of the outer layer sheet 5, for example, a plurality of cords. The first elastic body 17 such as rubber is fixed along the width direction by bonding or the like in a stretched state. further,
The entire area of the waist portion 13 in the longitudinal direction of the diaper body 1 is located between the inner outer sheet piece 9 and the outer outer sheet piece 10 of the outer layer sheet 5 and has, for example, a plurality of second rubber sheets or the like. The elastic body 18 is fixed along the width direction by bonding or the like in an extended state. The back waist portion 11 and the abdominal waist portion 13 are formed by a first elastic body 17 and a second elastic body 18.
The elasticity which expands and contracts in the width direction of the diaper body 1 is provided.

A first elastic body 17 and a second elastic body 18 are disposed on the back waist portion 11 and the abdominal waist portion 13 of the diaper 1 over substantially the entire length of the diaper 1 in the longitudinal direction. Side waist
The coupling receiving portions 15 provided on both sides of the absorbent article 11 and the coupling portions 16 provided on both sides of the ventral waist portion 13 are formed such that the longitudinal width of the absorbent article 1 is substantially the same. I have.

Further, the leg elastic portion 14 of the diaper body 1 is located between the outer outer sheet piece 10 and the inner outer sheet piece 9 of the outer layer sheet 5, for example, third elastic bodies 19, 20 in the form of rubber strings.
Are fixed in an extended state. This third elastic body 19,
20 is the leg part from the back waist part 11 and the ventral waist part 13 side
14 and symmetrically arranged in a substantially U-shaped manner so as to be folded back substantially in a U-shape across the crotch portion 12 at the substantially central portion in the longitudinal direction of the diaper body 1 and the opposite leg portion 14. ing. The leg elastics 14 are provided with elasticity to extend and contract substantially linearly by the third elastic bodies 19 and 20 along the longitudinal direction, and are elastic in the longitudinal direction and the width direction of the diaper 1. And the leg circumference of the diaper body 1
14 is formed in the gather portion 21.

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

First, at the time of mounting, the back-side waist portion 11 of the disposable diaper body 1 in the unfolded state shown in FIG. 1 is placed on the lower side of the waist of the user lying on the back with the liquid-permeable topsheet 2 side. Lay it on the skin side of the user. In this state, the liquid-permeable topsheet 2 located on the upper surface is bent along the user's crotch, and the crotch portion 12 is applied to the crotch and the abdominal waist portion 13 is applied to the user's abdomen. In this state, the three-dimensional gathers 8 rise to the state of protruding into a wall shape, and the leading edge portion contacts the crotch part of the user.

Then, both sides of the back waist portion 11 and the abdominal waist portion 13 are applied to the waist, and joint portions 16 on both sides of the abdominal waist portion 13 are attached to both sides of the back waist portion 11. Is attached as a pants shape by engaging with the coupling receiving portion 15 of. In this state, the gathers 21 of the leg circumference 14 come into contact with the user's leg.

In this mounted state, since the position where the coupling portion 16 and the coupling receiving portion 15 are engaged and coupled is located on the back side of the waist, the coupling position is located on the abdomen side where the user can easily reach. However, since the user is located on the back side, it is possible to prevent the user from reaching and unintentionally removing the user during an operation such as turning over.

Then, the coupling portion 16 and the coupling receiving portion 15
Of the first elastic body 17 and the second elastic body
Because it is located on both sides of the back waist part 11 and the ventral waist part 13 provided with 18, the elasticity is obtained around the waist, it is possible to prevent overtightening, and the elasticity of the back waist part The abdominal waist portion 13 and the abdominal waist portion 13 can be prevented from leaking excreted liquids such as urine while the abdominal waist portion 11 and the abdominal waist portion 13 are stretched even when the abdomen is swollen due to a meal or the like. Can be prevented from tightening, and the user's wearing feeling can be improved.

Further, the connecting edge of the three-dimensional gather 8 is brought into close contact with both sides of the user's crotch due to the elasticity of the gather-forming elastic body 7 due to the connection of the connecting part 16 and the connecting receiving part 15, and the third part of the diaper body 1 Since the gathers 21 formed by the three elastic bodies 19 and 20 are in close contact with the user's leg, it is possible to prevent the leg from being tightened and to reliably prevent leakage of excreted liquid such as urine.

On the other hand, when removing the diaper body 1,
The connecting portion 16 is removed from the receiving portion 15, and the abdominal waist portion 13 is removed.
Can be pulled out from the lower part of the waist of the user who is lying on his back, and can be removed, so that the diaper body 1 can be easily attached and detached, and workability can be improved.

As described above, in the above embodiment, the back waist portion 11 and the abdominal waist portion 13 whose longitudinal sides are releasably joined to each other are substantially in the longitudinal direction of the diaper 1. In order to provide the first elastic body 17 and the second elastic body 18 between the outer outer sheet piece 10 and the inner outer sheet piece 9 in the entire area, respectively, and to provide elasticity in the width direction of the diaper body 1, conventional pants Unlike the configuration of the mold, there is no need to remove and attach the clothes by lifting the waist and the user who is lying down can easily attach and detach, improving workability and improving the back waist area. The abdomen 11 and the abdominal waist 13 have elasticity throughout the abdomen, so that they can be tightly attached to prevent overtightening, and can be worn by the user without leakage of urine or other excreted liquid. The feeling can be improved.

The dimensions of the first elastic body 17 and the second elastic body 18 in the longitudinal direction of the diaper 1 of the back waist portion 11 and the abdominal waist portion 13 and the diaper 1 of the coupling receiving portion 15
The length in the longitudinal direction of the diaper 1 and the length in the longitudinal direction of the diaper body 1 of the connecting portion 16 are substantially the same, so that the elasticity works efficiently, and the back waist portion 11 and the abdominal waist portion 13 Can be adhered to the entire waist without tightening, and the user's feeling of wearing can be improved without causing leakage.

The connecting portions 16 provided near both sides in the longitudinal direction of the ventral waist portion 13 of the diaper body 1 are connected to the connecting receiving portions 15 provided near both sides of the back waist portion 11 of the diaper body 1. Since it is detachably coupled and attached, the coupling position is not located on the abdomen side, it is difficult to reach the joint position and it is possible to prevent it from being removed without permission, and the first elastic member 17 and the second elastic member. Back waist part 11 and ventral waist part provided with 18
The coupling portion 16 and the coupling receiving portion 15 in which the first elastic body 17 and the second elastic body 18 are not provided without being directly coupled to the coupling 13.
Since the connection is made by the method, irregular wrinkles can be reliably formed, and workability can be improved.

Further, the length of the abdominal waist portion 13 in the width direction of the diaper 1 is made longer than the length of the back waist portion 11 in the width direction of the diaper 1, so that the back waist portion 11 is provided. In addition, the position where the abdominal waist portion 13 is joined is securely located on the back side, and can be prevented from being detached by a simple structure.

Further, since the third elastic members 19 and 20 are provided along the both leg portions 14 of the crotch portion 12 of the diaper body 1, elasticity is provided in the direction along the leg portions 14 so that the user Can be tightly fitted around the legs, preventing the legs from being tightened, and preventing leakage of excreted liquid such as urine from around the legs.

Further, since the three-dimensional gathers 8 having elasticity are formed on both sides of the absorber 4 disposed longitudinally along the longitudinal direction of the diaper body 1, the three-dimensional gathers 8 are formed around both sides of the crotch. The gathers 21 formed on the third elastic members 19 and 20 provided on the leg circumference 14 can reliably prevent leakage from around the legs.

Further, the third elastic members 19 and 20 provided along the leg leg portion 14 cross the crotch leg portion 12 on the opposite side.
Since it is provided in a continuous state over the leg, the crotch part 12 can also be adhered well, preventing discomfort such as loosening, and also securely absorbing with the absorber 4 to prevent leakage from around the leg it can.

Since the first elastic body 17, the second elastic body 18, and the third elastic bodies 19 and 20 are fixed between the inner outer sheet piece 9 and the outer outer sheet 10 of the outer sheet 5, the appearance is not impaired. It is possible to improve the touch, because it does not directly contact the user.

Also, for example, the liquid-permeable inner outer sheet piece 9
In the configuration in which the absorbent body 4 is provided between the liquid-impervious outer layer sheet pieces 10, the absorbent body 4 having a shape obtained by cutting off the leg around portion 14 of the crotch around portion 12 is provided, so that the productivity is improved. Although the material yield cannot be improved, the productivity and material yield can be improved because the absorber 4 provided between the liquid-permeable top sheet 2 and the liquid-impermeable back sheet 3 is provided in the outer layer sheet 5.

The back waist portion 11, the ventral waist portion 13,
The first elastic body 17, the second elastic body 18, the third elastic bodies 19 and 20, and the gather-forming elastic body 7 provided on the crotch around portion 12, the leg around portion 14 and the three-dimensional gather 8 are not limited to the string-like rubber. A wide band-shaped rubber or the like may be used, and not limited to a plurality of rubbers, and only one formed in a planar shape may be used.

The absorber 4 is formed to have a rectangular shape in the longitudinal direction. For example, both ends located at the abdominal waist portion 13 and the dorsal waist portion 11 are wide, and both sides in the longitudinal direction are crotch portions.
It can also be formed along the side edges of the twelve.

The three-dimensional gathers 8 formed on both sides of the absorber 4 are not always necessary.

The third elastic member provided on the leg portion 14 is substantially linearly arranged along the leg portion 14 by the two elastic members 19 and 20. The body can also be arranged along the leg circumference 14.

In the above embodiment, the disposable diaper has been described, but the present invention can be applied to various absorbent articles.

[0056]

According to the first aspect of the present invention, in a state where the back waist portion and the abdominal waist portion are connected to each other, the absorbent article is entirely attached to the wearer's abdomen. The elasticity can be obtained, and the user's belly can be tightened without over-tightening, and the absorbent article adheres to the user's skin without urine leakage and can improve the user's feeling of wearing. . In addition, the attachment / detachment / replacement of the absorbent article by the caregiver is facilitated, and the coupling receiving portion is provided on the back waist portion and the coupling portion for coupling to the coupling receiving portion is provided on the ventral waist portion. The joint position of the waist part and the abdominal waist part is located on the back side of the user, and the joint position is not located on the abdomen side of the user, so that the user can remove the absorbent article without permission. Can be prevented. Furthermore, since the elastic body that expands and contracts in the width direction of the absorbent article body is arranged in almost the entire area except for the coupling receiving portion and both side portions of the coupling portion, the back waist portion and the abdominal side where the elastic body is arranged are provided. Since the waist portion is not directly connected, irregular wrinkles do not occur, the back waist portion and the abdominal waist portion are securely connected, and the workability of mounting the absorbent article can be improved.

According to the second aspect of the present invention, the elastic body along the leg circumference imparts elasticity to the leg leg on both sides of the crotch leg of the absorbent article, and the leg of the user is It is tightly attached around and has a good fit, and can prevent leakage of urine from around the legs.

According to the third aspect of the present invention, the elasticity of the elastic body efficiently acts on the back waist portion and the abdominal waist portion of the absorbent article, and the entire waist portion is not excessively tightened. It is in close contact, and the wearing feeling of the entire waist of the user is good.

According to the fourth aspect of the present invention, the position at which the back waist portion and the abdominal waist portion are joined is securely located at the back of the user, and the joined position is located at the abdomen side of the user. Since there is no such structure, it is possible to prevent the user from removing it with a simple structure.

[Brief description of the drawings]

FIG. 1 is a plan view showing a disposable absorbent article according to an embodiment of the present invention in an unfolded state.

FIG. 2 is a sectional view taken along the line AA shown in FIG.

FIG. 3 is a perspective view showing a use state of the disposable absorbent article.

[Description of Signs] 1 Diaper body which is an absorbent article body 2 Liquid-permeable top sheet 3 Liquid-impermeable back sheet 4 Absorber 5 Outer layer sheet 9 Inner outer layer sheet piece 10 Outer outer layer sheet piece 11 Back waist part 12 Crotch part 13 Ventral waist part 15 Coupling receiving part 16 Coupling part 17 First elastic body as elastic body 18 Second elastic body as elastic body 19, 20 Third elastic body as elastic body

Continued on the front page F term (reference) 3B029 BC02 BC03 BD01 BD09 BD10 BD12 4C098 AA09 CC03 CC11 CC12 CC14 CC15 CE05 CE06 CE07 CE08 DD01 DD04 DD06 DD08 DD10 DD12 DD22 DD25

Claims (4)

[Claims] 1. A liquid-permeable topsheet, a liquid-impervious backsheet, an absorber disposed between the liquid-permeable topsheet and the liquid-impermeable backsheet, and a liquid-impervious backsheet. A back waist portion, a crotch portion having leg portions at both side edges in the width direction, and an abdominal waist portion are sequentially and integrally formed in the longitudinal direction. A side waist portion and an abdominal waist portion provided with an absorbent article body in which both side portions in the width direction are detachably coupled to each other, and in the width direction of the back waist portion of the absorbent article body, A coupling receiving portion is provided on both sides of the absorbent article body, and coupling portions coupled to the coupling receiving portion are provided on both sides in the width direction of the abdominal waist portion of the absorbent article body. The inner outer layer sheet piece facing the liquid-impermeable back sheet side and the wearer's clothes side An outer outer sheet piece, and the inner outer sheet piece and the back outer waist portion and the abdominal waist portion formed on the outer layer sheet over substantially the entire longitudinal direction of the absorbent article body. A disposable absorbent article characterized in that at least elastic bodies that expand and contract in the width direction of the absorbent article body are disposed between the outer outer sheet piece and the outer side sheet piece except for both side portions of the coupling receiving portion and the coupling portion. . 2. A leg part formed on both sides of the crotch part of the absorbent article body in the width direction is provided between the inner outer sheet piece and the outer outer sheet piece of the outer layer sheet of the absorbent article body. The disposable absorbent article according to claim 1, wherein an elastic body that extends and contracts in a longitudinal direction of the absorbent article body is disposed. 3. An elastic body provided on the back waist portion and the abdominal waist portion of the absorbent article, a coupling receiving portion provided on both sides of the back waist portion, and a ventral waist. 3. The connecting part provided on both sides of the surrounding part, wherein the width in the longitudinal direction of the absorbent article is substantially the same.
3. The disposable absorbent article according to 1. 4. The size between both side edges in the width direction of the ventral waist portion formed on the absorbent article body is longer than the width size between both side edges in the width direction of the back waist portion. The disposable absorbent article according to any one of claims 1 to 3, characterized in that: