CN110035729A - Absorbent commodity - Google Patents

Abstract

The pinch waist portion of absorbent commodity includes: the 1st comprising the edge in pinch waist portion；It is 2nd, opposite with the 1st, and the edge including pinch waist portion；And multiple elastomeric elements, extend between the 1st and the 2nd, and along the 2nd direction, and arranged in the 1st direction.Multiple elastomeric elements include top elastomeric element, which is the smallest elastomeric element of distance counted from the edge in pinch waist portion.Top elastomeric element has top fixed area, and top fixed area is fixed on the 1st and the 2nd top fixed part including the use of adhesive and is not secured to the non-fixed portions of the 1st and the 2nd.Top fixed part is located in the fixed area of top 2 ends on the 2nd direction.

Description

Absorbent commodity

Technical field

The present invention relates to the absorbent commodities such as disposable diaper.

Background technique

In the disposable diaper as an example of absorbent commodity, it is known that shorts type diaper and adhesive type diaper. Wherein, shorts type diaper has absorbent main body, and absorbent main body has: absorber, absorbs the liquid of wearer's excretion；Just Dough sheet permeates liquid towards absorber；And back sheet, keep liquid impermeable compared with positive dough sheet, and and positive dough sheet Absorber is clipped together.Shorts type diaper is further equipped with 2 pieces of bearing absorbent main body, and is located at absorbent main body and is worn The in-leg of person mode by 2 sheetmoldings be pant like.It is opened in addition, pinch waist portion is located at 3 that shorts type diaper has The edge for the open end for surrounding the body of wearer in mouth end.When wearer wears diaper, pinch waist portion with wear The direct skin contact of person (referring for example to patent document 1).

Existing technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2012-143469 bulletin

Summary of the invention

Subject to be solved by the invention

But the edge in pinch waist portion makes pinch waist portion because of the direct skin contact with wearer On the basis of skin feel is good, the flexibility for improving the edge in pinch waist portion is also required.In addition, such item is not limited to Shorts type diaper similarly requires in above-mentioned adhesive type diaper, other absorbent commodities.

The purpose of the present invention is to provide the absorbent commodities that can improve the flexibility at the edge in pinch waist portion.

Solution for solving the problem

Absorbent commodity for solving the above subject has: predecessor's piece, covers the abdomen of wearer, and including structure At the front end of a part of open end, which delimit the opening that the body of the wearer passes through；Body piece afterwards, Cover the back of the wearer, and the rear end including constituting the open end together with the front end；Lower crotch, It connect with predecessor's piece and the rear body piece, and covers the in-leg of the wearer；And pinch waist portion, it is located at At least one party of tightening portion end, the front end and the rear end is the tightening portion end.From as predecessor's piece and The direction of at least one party, that is, pinch waist portion of body piece is located at after described body piece towards the lower crotch is the 1st direction, The direction orthogonal with the 1st direction is the 2nd direction.The pinch waist portion includes: the 1st comprising the pinch waist The edge in portion；It is 2nd, opposite with described 1st, and the edge including the pinch waist portion；And multiple bullets Property component, be located at described 1st with it is described between 2nd, and along the 2nd direction extension, and in the 1st direction Arrangement.Multiple elastomeric elements include top elastomeric element, which is from described in the pinch waist portion The smallest elastomeric element of the distance that edge is counted.The top elastomeric element has top fixed area, the top fixed area Including top fixed part and non-fixed portions, which is fixed on described 1st and the described 2nd using adhesive Piece, the non-fixed portions are not secured to described 1st and 2nd described.The top fixed part is located at the top 2 ends on 2nd direction described in fixed area.

Detailed description of the invention

Fig. 1 is to show the shorts type diaper being embodied as absorbent commodity in the 1st embodiment of shorts type diaper The perspective view of stereochemical structure.

Fig. 2 is the top view for showing the plan structure in the state of the shorts type diaper expansion of Fig. 1.

Fig. 3 is the sectional view for showing the cross section structure along the 3-3 line in Fig. 2.

Fig. 4 is the enlarged plan view shown in by the plan structure amplification of the region A in Fig. 3.

Fig. 5 is the sectional view for showing the cross section structure along the 5-5 line in Fig. 2.

Fig. 6 is to show for the shorts type diaper that absorbent commodity is embodied as in the 2nd embodiment of shorts type diaper to be unfolded The top view of plan structure under state.

Fig. 7 is the sectional view for showing the cross section structure along the 7-7 line in Fig. 6.

Fig. 8 is the sectional view for showing the cross section structure along the 8-8 line in Fig. 6.

Specific embodiment

[the 1st embodiment]

Illustrate the shorts type diaper that absorbent commodity is embodied as to an example as disposable diaper referring to figs. 1 to Fig. 5 1 embodiment.Hereinafter, successively illustrate the overall structure of diaper, the composition in pinch waist portion, the composition in three-dimensional tightening portion, with And the composition in leg tightening portion.

[overall structure of diaper]

Illustrate the overall structure of diaper referring to FIG. 1 and FIG. 2.In addition, Fig. 1 shows the stereochemical structure of diaper when wearing, Fig. 2 shows The plan structure of diaper when expansion and it is and the vertical view when vertical view opposite with the face of the skin contact of wearer in diaper Structure.

As shown in Figure 1, shorts type diaper 10 has: predecessor's piece 11 covers the abdomen of wearer；Body piece 12 afterwards, covers Cover the back of wearer；And lower crotch 13, it is connect with predecessor piece 11 and rear body piece 12, and cover the in-leg of wearer.

The waist opening 10a for the opening that there is diaper 10 body as wearer to pass through, and have as delimitation waist The waist end 10a1 of one example of the open end of opening 10a.Front end 11a included by predecessor's piece 11 and rear body piece 12 Included rear end 12a constitutes waist end 10a1.

In diaper 10, front end 11a and rear end 12a both sides are tightening portion end, waist locating for pinch waist portion The edge in tightening portion constitutes the edge of tightening portion end.That is, diaper 10 has the 1st pinch waist as 2 pinch waist portions Portion 21A and the 2nd pinch waist portion 21B, the 1st pinch waist portion 21A are located at front end 11a, after the 2nd pinch waist portion 21B is located at End 12a.The edge of 1st pinch waist portion 21A constitutes the edge 11a1 of front end 11a, the edge of the 2nd pinch waist portion 21B Constitute the edge 12a1 of rear end 12a.

2 leg openings of the opening that there is diaper 10 leg as wearer to pass through, 2 leg openings include the 1st leg opening 10b1 and the 2nd leg opening 10b2.When wearer wears diaper 10, make with the leg by other leg openings not in each leg opening Same leg passes through.

Lower crotch 13 delimit leg opening.In the end extended from predecessor's piece 11 towards the direction of rear body piece 12 in lower crotch 13 Being includes open end locating for the leg tightening portion of multiple folds.Lower crotch 13 has opening as the 1st leg opening 10b1 of delimitation The 2nd leg end 13b of 1st leg end 13a of mouth end and the open end as the 2nd leg opening 10b2 of delimitation.The tightening of 1st leg Portion 22A is located at the 1st leg end 13a, and the 2nd leg tightening portion 22B is located at the 2nd leg end 13b.

The edge in each leg tightening portion constitutes the edge of each leg end.That is, the edge of the 1st leg tightening portion 22A constitutes the 1st leg end The edge of the edge 13a1 of portion 13a, the 2nd leg tightening portion 22B constitute the edge 13b1 of the 2nd leg end 13b.

As shown in Fig. 2, in diaper 10, lower crotch 13 is connect with predecessor piece 11 and rear body piece 12, predecessor's piece 11, lower crotch 13 and rear body piece 12 arrange in the order.

Direction from predecessor's piece 11 towards the lower crotch 13 of the body piece being located at as the 1st pinch waist portion 21A is the 1st direction D1, Direction from rear body piece 12 towards the lower crotch 13 of the body piece for the body piece being located at as the 2nd pinch waist portion 21B is also the 1st direction D1.That is, the 1st direction D1 is the direction of 12 arrangement of predecessor's piece 11, lower crotch 13 and rear body piece, and including from 11 direction of predecessor's piece The direction of body piece 12 and from rear body piece 12 towards the direction both sides of predecessor's piece 11 afterwards.The direction orthogonal with the 1st direction D1 is the 2nd side To D2.

Diaper 10 has along the absorbent main body the 1st direction D1 the exterior body 31 extended and extended along the 1st direction D1 32, the length along the 2nd direction D2 of exterior body 31 is longer than the length along the 2nd direction D2 of absorbent main body 32.Exterior body 31 and absorbent main body 32 be fixed to each other in the substantially uniform mode in center of the center of exterior body 31 and absorbent main body 32.

Exterior body 31 and absorbent main body 32 are each located on predecessor's piece 11, rear body piece 12 and lower crotch 13.In exterior body In 31, part 2 31P2 included by part 1 31P1, lower crotch 13 included by predecessor's piece 11 and rear body piece 12 are wrapped The third portion 31P3 included is arranged in the order along the 1st direction D1.In absorbent main body 32, portion included by predecessor's piece 11 Divide, part included by part included by lower crotch 13 and rear body piece 12 arranges in the order along the 1st direction D1.

Exterior body 31 has the 1st end 31a and the 2nd end 31b as 2 ends on the 1st direction D1.1st end 31a constitutes front end 11a included by predecessor's piece 11, rear end 12a included by body piece 12 after the 2nd end 31b is constituted.

Part 1 31P1 has the 1st engagement end portion P1a and the 2nd engagement end portion P1b as the end on the 2nd direction D2, the 3 part 31P3 have the 1st engagement end portion P3a and the 2nd engagement end portion P3b as the end on the 2nd direction D2.

Part 2 31P2 includes: the width along the 2nd direction D2 along from part 1 31P1 towards third portion 31P3 The part that direction becomes smaller；Become with the width along the 2nd direction D2 along from third portion 31P3 towards the direction of part 1 31P1 Small part.As a result, in part 2 31P2, in the part including the center of the 1st direction D1, along the width of the 2nd direction D2 Degree becomes minimum.

In diaper 10, the 1st engagement end portion P1a and third portion of part 1 31P1 in the exterior body 31 of unfolded state The 1st engagement end portion P3a of 31P3 is engaged.In addition, the 2nd of the 2nd engagement end portion P1b and third portion 31P3 of part 1 31P1 the connects Close end P3b engagement.Waist opening 10a delimited by part 1 31P1 and third portion 31P3 in diaper 10 as a result, and by the 2 part 31P2 delimit the 1st leg opening 10b1 and the 2nd leg opening 10b2.

Diaper 10 has a pair of three-dimensional tightening portion, and a pair of of solid tightening portion includes the 1st solid tightening portion 23A and the 2nd three-dimensional Tightening portion 23B.The face opposite with the skin of wearer and the absorbent main body of absorbent main body 32 are fixed in each solid tightening portion 32 end extended along the 1st direction D1.

[composition in pinch waist portion]

The composition in pinch waist portion is described in more detail referring to Fig. 3 and Fig. 4.Fig. 3 shows the section knot along the 3-3 line in Fig. 2 Structure, Fig. 4 show the plan structure amplification of the region A in Fig. 3.

As shown in figure 3, the 1st pinch waist portion 21A has outer plate 41, inner sheet 42 and multiple waist elastic members 43.Outside Piece 41 is the 1st example including the edge of the 1st pinch waist portion 21A.1st pinch waist portion 21A has The multiple folds arranged when wearing diaper 10 along the 2nd direction D2.

Outer plate 41 has main part 41a, return portion 41b and fold-back edge 41c.Main part 41a prolongs along the 1st direction D1 It stretches, and accounts for the major part of outer plate 41.Folded-back part 41b is each end on the 1st direction D1 of main part 41a phase along the crease For the part that main part 41a turns back, which extends along the 2nd direction D2.Fold-back edge 41c is prolonged along the 2nd direction D2 The folding line stretched, main part 41a and folded-back part 41b are connected with each other at fold-back edge 41c.

That is, main part 41a is an example for constituting at least part of 1st element of outer plate 41, outer plate 41 is 1 One example of piece, folded-back part 41b are an examples for constituting the 2nd element of part different from main part 41a in outer plate 41 Son.The fold-back edge 41c on the boundary as main part 41a and folded-back part 41b is the edge in 1 pinch waist portion.That is, as 1 The outer plate 41 of a piece includes being equivalent to the main part 41a of the 1st element and being equivalent to the folded-back part 41b of the 2nd element.

The folded-back part 41b and inner sheet 42 of outer plate 41 are opposite with the main part 41a of outer plate 41.Folded-back part 41b be include the 1st waist The 2nd example including the edge of tightening portion, portion 21A.Outer plate 41 is fixed in the end of inner sheet 42 on 1st direction D1 Folded-back part 41b ratio fold-back edge 41c lean on ectocentral part.

A part in multiple waist elastic members 43 is located between the main part 41a and folded-back part 41b of outer plate 41, multiple Another part in waist elastic members 43 is located between the main part 41a and inner sheet 42 of outer plate 41.Multiple waist elastic members 43 have the threadiness for extending along the 2nd direction D2 and arranging in the 1st direction D1.

2nd pinch waist portion 21B is same as the 1st pinch waist portion 21A, has outer plate 41, inner sheet 42 and multiple waists Elastomeric element 43.In addition, the position of the 1st pinch waist portion 21A and the 2nd pinch waist portion 21B on the 1st direction D1 is mutually not Together, the component for constituting each pinch waist portion is identical.

In diaper 10, exterior body 31 has outer plate 41, inner sheet 42 and multiple elastomeric elements.Outer plate 41 and inner sheet 42 have There is the sheet being unfolded in two dimension along the 1st direction D1 and the 2nd direction D2.As described above, the end of the inner sheet 42 on the 1st direction D1 The folded-back part 41b of outer plate 41 is fixed in portion, and the end of inner sheet 42 is folded back portion 41b covering.Multiple elasticity that exterior body 31 has Component includes above-mentioned multiple waist elastic members 43.

Absorbent main body 32 is fixed on the end of the absorbent main body 32 on the 42, the 1st direction D1 of inner sheet respectively by outer plate 41 Folded-back part 41b covering.

As described above, absorbent main body 32 extends along the 1st direction D1, have positive dough sheet 51, back sheet 52 and absorber 53. Positive dough sheet 51 makes the Liquid Penetrant of wearer's excretion of liquid, such as diaper 10, and back sheet 52 makes liquid compared with positive dough sheet 51 It is impermeable.Absorber 53 absorbs the liquid for penetrating positive dough sheet 51 between positive dough sheet 51 and back sheet 52.

Multiple elastomeric elements that exterior body 31 has further comprise multiple abdomen elastomeric elements 44, multiple abdomen elastic portions Part 44 is located at than waist elastic members 43 on the 1st direction D1 close to the center of exterior body 31.

Multiple abdomen elastomeric elements 44 have the multiple abdomens being located at than absorber 53 close to the 1st engagement end portion P1a, P3a Elastomeric element 44 and positioned at multiple abdomen elastomeric elements 44 than absorber 53 close to the 2nd engagement end portion P1b, P3b.Positioned at than inhaling Acceptor 53 is engaged close to multiple abdomen elastomeric elements 44 of the 1st engagement end portion P1a, P3a and positioned at than absorber 53 close to the 2nd Multiple abdomen elastomeric elements 44 of end P1b, P3b are respectively provided with the threadiness extended along the 2nd direction D2, on the 1st direction D1 It arranges at spaced intervals.

Outer plate 41, inner sheet 42 and abdomen elastomeric element 44 constitute abdomen tightening portion, are located at predecessor's piece in abdomen tightening portion 11 abdomen tightening portion is the 1st abdomen tightening portion 24A, and the abdomen tightening portion positioned at rear body piece 12 is the 2nd abdomen tightening portion 24B. Each abdomen tightening portion has the multiple folds arranged when diaper 10 is worn along the 2nd direction D2.

It is described in detail referring to Fig. 4 waist elastic members 43 having to each pinch waist portion.In addition, Fig. 4 illustrates The state that diaper 10 is unfolded and waist elastic members 43 are stretched is shown to property.In addition, being easy to distinguish convenient in Fig. 4 It is fixed on the part of outer plate 41 and inner sheet 42 in waist elastic members 43 and is not secured on the basis of the part of this 2 pieces, it is right It is fixed on the part mark point of 2 pieces.

Position of the 1st pinch waist portion 21A and the 2nd pinch waist portion 21B in diaper 10 on the 1st direction D1 is mutually not Together, the composition of waist elastic members 43 is identical.Therefore, the 1st pinch waist portion 21A is described in detail below, and omitted The detailed description of 2nd pinch waist portion 21B.

Each waist elastic members 43 have fixed area R1, and fixed area R1 includes being fixed on main part by adhesive The fixed part of 41a.Each waist elastic members 43 also have free space R2 other than fixed area R1, in particular, respectively Waist elastic members 43 have fixed area R1 and 2 free space R2.In each waist elastic members 43, fixed area R1 exists It is clipped on 2nd direction D2 by 2 free space R2.Free space R2 is the portion for being not secured to main part 41a and folded-back part 41b Point.The length along the 2nd direction D2 of each free space R2 is shorter than the length along the 2nd direction D2 of fixed area R1.In addition, Each waist elastic members 43 can also not have free space R2.

In multiple waist elastic members 43, the edge of the 1st pinch waist portion 21A, in other words from the fold-back of outer plate 41 The smallest waist elastic members 43 of the distance that edge 41c is counted are top elastomeric element 43a, other than the elastomeric element 43a of top Waist elastic members 43 are cardinal extremity elastomeric element 43b.

At least top elastomeric element 43a is located at the main part 41a and folded-back part of outer plate 41 in multiple waist elastic members 43 Between 41b, the maximum cardinal extremity elastomeric element 43b of distance that at least 41c is counted from fold-back edge in cardinal extremity elastomeric element 43b is located at Between main part 41a and inner sheet 42.

The fixed area R1 of top elastomeric element 43a is top fixed area R1a, including top fixed part R1a1 and non- Fixed part R1a2.Top fixed part R1a1 is the part that main part 41a and folded-back part 41b are fixed on by adhesive, position 2 ends in the top fixed area R1a on the 2nd direction D2.Non-fixed portions R1a2 be not secured to main part 41a and The part of folded-back part 41b.

On top, fixed area R1a is integrally fastened in the composition of main part 41a, and on top, fixed area R1a's is whole The part coating adhesive to connect with the entirety of top fixed area R1a in body and main part 41a.As a result, in main part 41a In be coated with the part of adhesive, with the solidification of adhesive, the flexibility reduction with the state of not coating adhesive compared with.

In this respect, according to the present embodiment, with the composition for being integrally fastened to main part 41a of top fixed area R1a It compares, on the small position of the distance counted from the edge of the 1st pinch waist portion 21A, the region of adhesive coating can be reduced. Therefore, it can be improved the flexibility at the edge of the 1st pinch waist portion 21A.

Top fixed area R1a has 2 top fixed part R1a1 and 1 non-fixed portions R1a2, non-fixed portions R1a2 is clipped on the 2nd direction D2 by 2 top fixed part R1a1.On the 2nd direction D2, each top fixed part R1a1's Length is shorter than the length of non-fixed portions R1a2.

Therefore, the length ratio edge in the elastomeric element 43a of top, with the top fixed part R1a1 along the 2nd direction D2 The long composition of length of the non-fixed portions R1a2 of the 2nd direction D2 compare, can reduce adhesive on the 2nd direction D2 and be coated with Region.Therefore, the flexibility at the edge of the 1st pinch waist portion 21A can be made more to improve.

In addition, on the 2nd direction D2, length of the summation than non-fixed portions R1a2 of the length of top fixed part R1a1 It is short.Thereby, it is possible to further decrease the region that adhesive is coated on the 2nd direction D2, therefore the 1st pinch waist portion can be made The flexibility at the edge of 21A more improves.

Cardinal extremity elastomeric element 43b has cardinal extremity fixed area R1b, and cardinal extremity fixed area R1b includes being fixed by adhesive In the cardinal extremity fixed part R1b1 of main part 41a and folded-back part 41b.As long as cardinal extremity fixed part R1b1 is located at least the 2nd direction Respectively, on the 2nd direction D2, the summation of the length of cardinal extremity fixed part R1b1 is than top fixed part for 2 ends on D2 Divide the summation of the length of R1a1 long.

It therefore, include non-fixed portions R1a2 by top fixed area R1a, so as to propose the flexibility at edge Height, and by the cardinal extremity fixed part R1b1 than top fixed part R1a1 long, can inhibit the 1st pinch waist portion 21A with The close property of skin reduces.

Also, the entirety of cardinal extremity fixed area R1b is cardinal extremity fixed part R1b1.Therefore, with cardinal extremity fixed area R1b packet The composition for including non-fixed portions is compared, and the reduction of the close property of the 1st pinch waist portion 21A is able to suppress.

The top fixed part R1a1 of top elastomeric element 43a is located at the edge of the 1st pinch waist portion 21A.Therefore, and admittedly Fixed part is compared from the composition that the edge of the 1st pinch waist portion 21A leaves, and many top elastomeric element 43a can be made to be located at the 1st The edge of pinch waist portion 21A.As a result, top elastomeric element 43a be easy with the skin contact of wearer, therefore can be improved the The close property of 1 pinch waist portion 21A.In turn, can inhibit wearer excretion liquid from the interior side of the 1st pinch waist portion 21A to The outside of 1st pinch waist portion 21A leaks out.

In addition, in the non-fixed portions R1a2 of top elastomeric element 43a, the freedom degree of the shape of non-fixed portions R1a2 It improves, therefore fold tends to get bigger compared with the fixed part R1a1 of top.The edge of 1st pinch waist portion 21A and from the 1st waist The distance between the nearest cardinal extremity elastomeric element 43b in the edge of tightening portion 21A d (hereinafter referred to as " distance d ".) become decision fold Size a reason, distance d is bigger, and fold is also bigger.The fold that 1st pinch waist portion 21A has is bigger, the 1st waist Gap between tightening portion 21A and the skin of wearer is bigger, therefore the liquid of wearer's excretion is easy to expose.

In this respect, since the top fixed part R1a1 of top elastomeric element 43a is located at the 1st pinch waist portion 21A's Edge, thus compared with the composition that top fixed part R1a1 leaves from the edge of the 1st pinch waist portion 21A, cardinal extremity elastic portion The entirety of part 43b can be located at the adjacent edges of the 1st pinch waist portion 21A.Distance d becomes smaller as a result, therefore wearer's excretion Liquid is not easy to leak out.

As described above, 1 piece includes clipping the main part 41a and folded-back part 41b of top elastomeric element 43a as constituting to want Element.In addition, the fold-back edge 41c on the boundary as main part 41a and folded-back part 41b is the edge of the 1st pinch waist portion 21A.

It, can be by the piece including main part 41a and folded-back part 41b along top elastomeric element in the manufacture of diaper 10 43a bending, therefore compared with the composition that top elastomeric element 43a leaves from the edge of the 1st pinch waist portion 21A, the bending of piece It is easy.

Preferred distance d is 9mm or less.When distance d is greater than 9mm, the fold that the 1st pinch waist portion 21A has becomes larger, Big gap is formed between 1st pinch waist portion 21A and the skin of wearer.

In this respect, if distance d be 9mm hereinafter, if with distance d greater than 9mm composition compared with, the 1st pinch waist portion The fold that 21A has becomes smaller, and the area for being able to suppress the skin contact of the 1st pinch waist portion 21A and wearer becomes smaller.As a result, It can inhibit the 1st pinch waist portion 21A to be not easy to be close to the skin of wearer and the skin along wearer.

[composition in three-dimensional tightening portion]

The composition in three-dimensional tightening portion is described in more detail referring to Fig. 5.Fig. 5 shows the cross section structure along the 5-5 line in Fig. 2.

Position of the 1st solid solid of tightening portion 23A and the 2nd tightening portion 23B in diaper 10 is mutually different, but constitutes each vertical The component in body tightening portion is mutually the same.Therefore, the 1st solid tightening portion 23A is explained in detail below, omits the 2nd three-dimensional tightening The detailed description of portion 23B.

As shown in figure 5, as described above, diaper 10 has to be individually fixed in absorbent main body 32 prolongs along the 1st direction D1 A pair three-dimensional tightening portion for the end stretched, the three-dimensional tightening portion 23B of the i.e. the 1st solid tightening portion 23A and the 2nd.

Wherein, the 1st solid tightening portion 23A has lateral plate 61 and multiple cubic elastic units 62.Lateral plate 61 has main part 61a, folded-back part 61b and fold-back edge 61c.Main part 61a extends along the 1st direction D1, and accounts for the major part of lateral plate 61.Folding It returns portion 61b to extend along the 1st direction D1, and opposite with main part 61a.

In the state that diaper 10 is unfolded, folded-back part 61b is a square end portion edge of the main part 61a on the 2nd direction D2 The part turned back relative to main part 61a of folding line, the folding line extend along the 1st direction D1.Fold-back edge 61c is along the 1st The folding line that direction D1 extends, main part 61a and folded-back part 61b are connected with each other at fold-back edge 61c.That is, main part 61a and folding Returning portion 61b is individually the element for belonging to the lateral plate 61 as 1 piece.

In the state that diaper 10 is unfolded, folded-back part 61b is at fold-back edge 61c relative to main part 61a to absorbability Side that main body 32 is located at is turned back, but folded-back part 61b can also at fold-back edge 61c relative to main part 61a to suction The opposite side in the side that the property received main body 32 is located at is turned back.

Main part 61a includes the lateral border 61a1 and and lateral border that absorbent main body 32 is fixed on along the 1st direction D1 The interior lateral margin of 61a1 opposite side, main part 61a and folded-back part 61b include interior lateral margin.In lateral plate 61, fold-back edge 61c Constitute interior lateral margin included by main part 61a and folded-back part 61b.In the state that diaper 10 is unfolded, lateral border 61a1 is in the 2nd side It is located on D2 in the outer part than interior lateral margin, interior lateral margin is located at than lateral border 61a1 on the 2nd direction D2 close to absorbent main body 32 Center.

The lateral border 61a1 of lateral plate 61 is located between the back sheet 52 of absorbent main body 32 and the inner sheet 42 of exterior body 31, Gu Due to back sheet 52 and inner sheet 42.In addition, as long as the lateral border 61a1 of lateral plate 61 is fixed on the absorption extended along the 1st direction D1 The end of property main body 32, can also be not secured to exterior body 31.

Multiple cubic elastic units 62 are between main part 61a and folded-back part 61b.Multiple cubic elastic units 62 along 1st direction D1 extends, and has the line arranged along the direction orthogonal with the 1st direction D1 in the plane of main part 61a expansion Shape.

In addition, in each three-dimensional tightening portion, the position of each cubic elastic unit 62 in the preferably main part 61a of lateral plate 61 with The position of each waist elastic members 43 in the main part 41a of outer plate 41 is same.In addition, each cubic elastic unit 62 utilizes bonding The state of the main part 61a and folded-back part 61b of lateral plate 61 are fixed in agent and each waist elastic members 43 are fixed on using adhesive The state of the main part 41a and folded-back part 41b of outer plate 41 are same.It can also be obtained and each waist by each three-dimensional tightening portion as a result, The same effect in tightening portion, portion.

[composition in leg tightening portion]

Referring again to Fig. 5 of front reference, the composition in leg tightening portion is described in more detail.1st leg tightening portion 22A and the 2nd leg are received Tight position of the portion 22B in diaper 10 is mutually different, and the component for constituting each leg tightening portion is mutually the same.Therefore, below to the 1st leg Tightening portion 22A is described in more detail, and omits the detailed description of the 2nd leg tightening portion 22B.

As shown in figure 5, the 1st leg tightening portion 22A has outer plate 41, inner sheet 42 and multiple leg elastomeric elements 71.Multiple legs Elastomeric element 71 is a part for multiple elastomeric elements that exterior body 31 has.

Outer plate 41 includes the edge of the 1st leg tightening portion 22A, and inner sheet 42 and outer plate 41 are opposite, and including the 1st leg tightening portion The edge of 22A.Multiple leg elastomeric elements 71 are between outer plate 41 and inner sheet 42.

In the state that diaper 10 is unfolded, each leg elastomeric element 71 extends with the edge along the 1st leg end 13a Threadiness, multiple leg elastomeric elements 71 arrange in the direction orthogonal with the extending direction of leg elastomeric element 71.That is, each leg elastomeric element 71 extend along the end on the 2nd direction D2 in the part 2 31P2 of exterior body 31 and at the edge that the 1st direction D1 extends, and Multiple leg elastomeric elements 71 side orthogonal in the direction extended with leg elastomeric element 71 is spaced up to be arranged with gap.

Additionally, it is preferred that at each leg tightening portion, the position of each leg elastomeric element 71 in outer plate 41 and the main body of outer plate 41 The position of each waist elastic members 43 in portion 41a is same.Additionally, it is preferred that each leg elastomeric element 71 is fixed on outside using adhesive The state of piece 41 and inner sheet 42 and each waist elastic members 43 are fixed on the main part 41a and folded-back part of outer plate 41 using adhesive The state of 41b is same.The effect same with each pinch waist portion can be also obtained using each leg tightening portion as a result,.

As described above, according to absorbent commodity embodiment, the effect that can be exemplified below.

(1) on the small position of the distance counted from the edge in each pinch waist portion, the region of adhesive coating can be reduced, because This can be improved the flexibility at the edge in each pinch waist portion.

(2) in the elastomeric element 43a of top along the length ratio of the top fixed part R1a1 of the 2nd direction D2 along the The long composition of the length of the non-fixed portions R1a2 of 2 direction D2 is compared, and can reduce the area of adhesive coating on the 2nd direction D2 Domain.Therefore, the flexibility at the edge in each pinch waist portion can more be improved.

(3) in the elastomeric element 43a of top, the summation of the length of top fixed part R1a1 is than non-fixed portions R1a2's Length is short, therefore the region of adhesive coating can be further decreased on the 2nd direction D2.So each waist can be improved more The flexibility at the edge in tightening portion, portion.

It (4) include non-fixed portions R1a2 by top fixed area R1a, so as to improve the edge in pinch waist portion Flexibility be able to suppress pinch waist and by having cardinal extremity fixed part R1b1 than top fixed part R1a1 long The close property relative to skin in portion reduces.

(5) compared with cardinal extremity fixed area R1b includes the composition of non-fixed portions, it is able to suppress the tight of each pinch waist portion The reduction of patch property.

(6) compared with the composition that top fixed part R1a1 leaves from the edge in each pinch waist portion, many top bullets can be made Property component 43a be located at the edge in each pinch waist portion, elastomeric element 43a in top is easy the skin of contact wearer as a result, therefore It can be improved the close property in each pinch waist portion.

It (7), can be by the piece including main part 41a and folded-back part 41b along top elastic portion in the manufacture of diaper 10 Part 43a bending, therefore compared with the composition that top elastomeric element 43a leaves from the edge in each pinch waist portion, the bending of piece is held Easily.

[variation of the 1st embodiment]

In addition, above-mentioned embodiment also can be by being suitably changed and implemented as follows.

Or in pinch waist portion, all waist elastic members 43 are located at the main part 41a and outer plate 41 of outer plate 41 Folded-back part 41b between.Even such composition, also because main part 41a and folded-back part 41b is to belong to 1 outer plate respectively 41 element, so the effect same with above-mentioned (7) can be obtained.

A part of multiple waist elastic members 43 is clipped by the main part 41a of outer plate 41 and folded-back part 41b, but It can be all waist elastic members 43 and be sandwiched in outer plate 41 and other pieces such as inner sheet 42 or the piece different from inner sheet 42 Between.In this case, outer plate 41 can also not have folded-back part 41b, in addition, clipping waist elastic members together with outer plate 41 As long as 43 piece is opposite with outer plate 41.In such a configuration, outer plate 41 is the 1st example, other pieces are the 2nd One example of piece.

Top fixed part R1a1 can not also be located at the edge in pinch waist portion.In other words, top fixed part R1a1 can also leave from the edge in pinch waist portion.According to such composition, waist receipts are located at top fixed part R1a1 The composition at the edge in tight portion is compared, and adhesive is not easy to be coated on the edge in pinch waist portion, therefore the flexibility at edge is easy more Add raising.

In addition, as described above, inhibiting liquid to leak out in the outer part from side more inner than pinch waist portion to than pinch waist portion On the basis of, preferably top fixed part R1a1 is located at the edge in pinch waist portion.

Cardinal extremity fixed area R1b also may include non-fixed portions.In this case, in multiple cardinal extremity elastomeric elements In 43b, can both it be equal to each other along the length of the non-fixed portions of the 2nd direction D2, it can also be mutually different.Even in this way Composition can also obtain the effect same with above-mentioned (1) when top fixed area R1a includes non-fixed portions R1a2.

Or in multiple cardinal extremity elastomeric element 43b, in the length phase of the non-fixed portions along the 2nd direction D2 Mutually in different composition, for example, the cardinal extremity elasticity that distance that elastomeric element 43a is counted from top on the 1st direction D1 is small Component 43b, the length along the non-fixed portions of the 2nd direction D2 are longer.According to such composition, from pinch waist portion The close part in edge, can more reduce the region of adhesive coating, therefore more be proximate to the edge in pinch waist portion, pinch waist The also easier raising of the flexibility in portion.

In the composition that cardinal extremity fixed area R1b includes non-fixed portions, as long as cardinal extremity elastomeric element 43b is in the 2nd side The end of cardinal extremity fixed area R1b on D2 respectively has 1 cardinal extremity fixed part R1b1, can also be in the 2nd direction D2 On 2 cardinal extremity fixed part R1b1 between further with 1 or more cardinal extremity fixed part R1b1.

The summation of the length along the 2nd direction D2 of top fixed part R1a1 can also be than along the 2nd direction D2's The length of non-fixed portions R1a2 is long.Even such composition, when top, elastomeric element 43a includes non-fixed portions R1a2 When, it can also obtain the effect same with above-mentioned (1).

The length along the 2nd direction D2 of top fixed part R1a1 can also be than non-fixed portions R1a2 along The length of 2 direction D2 is long.Even such composition, when top, fixed area R1a includes top fixed part R1a1, also can Access the effect same with above-mentioned (1).

Top fixed area R1a other than 2 top fixed part R1a1 being separated from each other on the 2nd direction D2, Also 1 or more other top fixed parts clipped on the 2nd direction D2 by 2 top fixed part R1a1 be can have R1a1.Even such composition, when top fixed area R1a includes non-fixed portions R1a2, can also obtain with it is above-mentioned (1) same effect.

It or is only tightening portion end that pinch waist portion is located at either in front end 11a and rear end 12a Portion.Or may be following constitute: front end 11a and rear end 12a both sides are tightening portion ends, and are being located at either end In the pinch waist portion in portion, the entirety of top fixed area R1a is top fixed part R1a1.Even such composition, Top fixed area R1a includes that can also obtain the effect same with above-mentioned (1) in the composition of non-fixed portions R1a2.

Three-dimensional tightening portion can also have lateral plate 61, other pieces different from lateral plate 61 and by lateral plate 61 and other Multiple cubic elastic units 62 that piece clips.In this case, as long as the folded-back part 61b in lateral plate 61 is omitted.In this way Composition in, lateral plate 61 is the 1st example, other pieces are the 2nd examples.

In leg tightening portion, either one or two of outer plate 41 and inner sheet 42 also may include that the 1st element and the 2nd element are double Side.In this case, as long as either one or two of outer plate 41 and inner sheet 42 have along the 1st direction D1 main part extended and along work For the folded-back part turned back along the fold-back edge of the folding line at the edge of the 2nd direction D2 relative to main part, main part is the 1st One example of piece element, folded-back part are an examples of the 2nd element.In such a configuration, pass through leg elastomeric element 71 Positioned at fold-back edge, so as to obtain the effect same with above-mentioned (6).

Leg tightening portion has outer plate 41, inner sheet 42 and multiple leg elastomeric elements 71, but can also replace outer plate 41 With inner sheet 42, back sheet 52, lateral plate 61 for example including absorbent main body 32 and positioned at multiple leg elastic portions between these Part 71.In this case, back sheet 52 is the 1st example, and lateral plate 61 is the 2nd example.

Diaper 10 is also possible to the diaper of adhesive type.In this case, as long as pinch waist portion has for example positioned at back Cover plate, lateral plate 61 and multiple waist elastic members 43 in the outside of dough sheet 52.In such a configuration, cover plate is the 1st One example of piece, lateral plate 61 are the 2nd examples.

In the diaper of adhesive type, leg tightening portion can also have such as cover plate, lateral plate 61 and multiple leg elastomeric elements 71, in such a configuration, cover plate is the 1st example, and lateral plate 61 is the 2nd example.In addition, for example, leg Tightening portion can also have back sheet 52, positive dough sheet 51 and multiple leg elastomeric elements 71, in such a configuration, back sheet 52 It is the 1st example, positive dough sheet 51 is the 2nd example.

In addition, for example, leg tightening portion can also have positive dough sheet 51 and multiple leg elastomeric elements 71, in such composition In, positive dough sheet 51 has a folded-back part that main part and opposite main part turn back, positive dough sheet 51 be include the 1st element and the 2nd One example of 1 piece of element.In addition, for example, leg tightening portion can also have back sheet 52, lateral plate 61 and multiple leg bullets Property component 71, in such a configuration, back sheet 52 is the 1st, and lateral plate 61 is the 2nd.

Diaper 10 has pinch waist portion, abdomen tightening portion, three-dimensional tightening portion and tightening portion, 4 kinds of leg tightening portion, but As long as being at least to have pinch waist portion in these.

Absorbent commodity is not limited to diaper 10, such as be also possible to chamber pot pad, absorption pad and sanitary napkin etc..

[the 2nd embodiment]

Referring to Fig. 6 to Fig. 8, illustrate the shorts type diaper that absorbent commodity is embodied as to an example as disposable diaper The 2nd embodiment.The diaper of 2nd embodiment is compared with the diaper of the 1st embodiment, the structure of exterior body and absorbent commodity At difference.Therefore, the detailed of composition identical with the diaper of the 1st embodiment is omitted in difference as following detailed description Explanation.

In addition, the diaper of the 2nd embodiment in the state of being worn by wearer, has the diaper with the 1st embodiment Same shape.Therefore, the plan structure and cross section structure of the diaper of the 2nd embodiment described further below, omission are worn The explanation of shape in the state of person's dress.In addition, next coming in order illustrate the overall structure of diaper, the composition in three-dimensional tightening portion, The composition in leg tightening portion and the composition in pinch waist portion.

[overall structure of diaper]

Illustrate the overall structure of diaper referring to Fig. 6.

As shown in fig. 6, diaper 80 has veutro exterior body 81, back side exterior body 82, absorbent main body 83 and a pair of of lateral plate 84. Veutro exterior body 81 and back side exterior body 82, which respectively have, extends band-like, veutro exterior body 81 and back side along the 2nd direction D2 Exterior body 82 arranges at spaced intervals on the 1st direction D1.

Veutro exterior body 81 has the 1st engagement end portion 81a and the 2nd engagement end portion as 2 ends on the 2nd direction D2 81b.Back side exterior body 82 has the 1st engagement end portion 82a and the 2nd engagement end portion 82b as 2 ends on the 2nd direction D2. On the 2nd direction D2, the position of the 1st engagement end portion 81a of veutro exterior body 81 and the 1st engagement end portion of back side exterior body 82 The position of 82a is roughly equal, the position of the 2nd engagement end portion 81b of veutro exterior body 81 and the 2nd abutting end of back side exterior body 82 The position of portion 82b is roughly equal.

Absorbent main body 83 is band-like with extending along the 1st direction D1.On the 2nd direction D2, absorbent main body 83 Width is less than the width of veutro exterior body 81 and the width of back side exterior body 82.2 on 1st direction D1 of absorbent main body 83 The part including the center on the 2nd direction D2 in veutro exterior body 81 is fixed in a square end portion in end, and another party end is solid Due to the part including the center on the 2nd direction D2 in back side exterior body 82.

Each lateral plate 84 is band-like with extending along the 1st direction D1, and a pair of of lateral plate 84 is individually fixed in absorbent main body 83 The 2nd direction D2 end.

In diaper 80, the 1st engagement end portion 81a of veutro exterior body 81 and the 1st engagement end portion 82a of back side exterior body 82 are mutual Engagement, the 2nd engagement end portion 81b of veutro exterior body 81 and the 2nd engagement end portion 82b of back side exterior body 82 are interconnected.As a result, The diaper 80 with pants type can be formed.In diaper 80, in veutro exterior body 81 and absorbent main body 83 with veutro exterior body The parts of 81 overlappings constitute predecessor's pieces 11, the part Chong Die with back side exterior body 82 in back side exterior body 82 and absorbent main body 83 Body piece 12 after composition.In absorbent main body 83 with all nonoverlapping part of which of veutro exterior body 81 and back side exterior body 82 Constitute lower crotch 13.

In addition, veutro exterior body 81 and back side exterior body 82 delimit waist opening, abdomen in the diaper 80 with pants type A part of a part of side exterior body 81, a part of back side exterior body 82 and absorbent main body 83, which is formed, delimit leg opening Open end.More particularly, absorbent main body 83 have as 2 ends on the 2nd direction D2 the 1st end 83a and 2nd end 83b.In other words, the 1st end 83a and the 2nd end 83b is equivalent to from predecessor's piece 11 towards the side of rear body piece 12 To the end of extension.In 1st end 83a with veutro exterior body 81 and the nonoverlapping part of back side exterior body 82, i.e. lower crotch 13 End part be the 1st opening element 83a1.The 1st leg tightening portion including multiple folds is located at the 1st opening element 83a1.The Part in 2 end 83b with veutro exterior body 81 and the nonoverlapping part of back side exterior body 82, the i.e. end of lower crotch 13 is 2 opening element 83b1.The 2nd leg tightening portion including multiple folds is located at the 2nd opening element 83b1.

[composition in three-dimensional tightening portion]

Illustrate the composition in three-dimensional tightening portion referring to Fig. 7.Fig. 7 shows the cross section structure along the 7-7 line in Fig. 6.In Fig. 7, figure Show conventionally, a pair of of lateral plate 84 is illustrated with the state left from absorbent main body 83.

As shown in fig. 7, diaper 80 has the three-dimensional tightening of the 1st solid tightening portion 91A arranged on the 2nd direction D2 and the 2nd Portion 91B.Each solid tightening portion extends along the 1st direction D1, and is located at the skin with wearer in absorbent main body 83 The end in opposite face and the 2nd direction D2 in absorbent main body 83.In addition, the three-dimensional tightening of the 1st solid tightening portion 91A and the 2nd Position of the portion 91B in diaper 80 is mutually different, and the component for constituting each three-dimensional tightening portion is identical.Therefore, below to the 1st three-dimensional receipts Tight portion 91A is illustrated in more details, and omits the explanation of the 2nd three-dimensional tightening portion 91B.

1st solid tightening portion 91A has 1 lateral plate 84 and multiple cubic elastic units 85.Lateral plate 84 has the 1st element 84a, the 2nd element 84b and fold-back edge 84c.Fold-back edge 84c is linear with extending along the 1st direction D1, and the 2nd Piece element 84b turns back at fold-back edge 84c relative to the 1st element 84a.

1st element 84a includes the 1st edge 84a1 at the edge as the side opposite with fold-back edge 84c, and the 2nd Element 84b includes the 2nd edge 84b1 at the edge as the side opposite with fold-back edge 84c.1st edge 84a1 and the 2nd side Edge 84b1 is overlapped on the direction that the 1st element 84a and the 2nd element 84b is overlapped.

1st element 84a and the 2nd element 84b is relative to each other, and multiple cubic elastic units 85 are clipped in the 1st element 84a Between the 2nd element 84b.Multiple cubic elastic units 85 between the 1st element 84a and the 2nd element 84b from fold-back The position of edge 84c contact arranges at spaced intervals on the 2nd direction D2.

In the 1st element 84a and the 2nd element 84b, fold-back edge 84c is interior lateral margin, the 1st edge 84a1 and the 2nd side Edge 84b1 constitutes lateral border.

[composition in leg tightening portion]

Illustrate the composition in leg tightening portion referring again to Fig. 7 of front reference.

As shown in fig. 7, absorbent main body 83 has positive dough sheet 101, back sheet 102, cover plate 103 and absorber 104.Just Dough sheet 101, back sheet 102, cover plate 103 and absorber 104 are respectively band-like with extending along the 1st direction D1.It is absorbing On the thickness direction of property main body 83, absorber 104 is between positive dough sheet 101 and back sheet 102.

Cover plate 103 is located at the outside of back sheet 102, cover in back sheet 102 with and the opposite face of absorber 104 it is opposite The face of side is whole.Cover plate 103 has main part 103a, 2 folded-back part 103b and 2 fold-back edge 103c.

Each fold-back edge 103c is linear with extending along the 1st direction D1, on the 2nd direction D2, back sheet 102 2 edges are located in the region clipped by 2 fold-back edge 103c.Each folded-back part 103b is opposite at 1 fold-back edge 103c It turns back in main part 103a, and on the 2nd direction D2,1 end of each folded-back part 103b covering back sheet 102.In each fold-back Portion 103b is bonded to 1 end on the 2nd direction D2 of positive dough sheet 101.

Absorbent main body 83 is further equipped with multiple leg elastomeric elements 105, and each leg elastomeric element 105 has along the 1st side The threadiness extended to D1, arranges at spaced intervals on the 2nd direction D2.Multiple leg elastomeric elements 105 include the 1st leg elastomeric element Group 105A and the 2nd leg elastomeric element group 105B.1st leg elastomeric element group 105A includes being located on the 2nd direction D2 than absorber 104 close to side's fold-back edge 103c the 105, the 2nd leg elastomeric element group 105B of multiple leg elastomeric elements include be located at than absorb Multiple leg elastomeric elements 105 of the body 104 close to another party's fold-back edge 103c.

In each leg elastomeric element group, the smallest leg elastomeric element 105 of the distance that 103c is counted from fold-back edge is located at master Between body portion 103a and folded-back part 103b.On the other hand, leg elastomeric element 105 in addition to this is located at folded-back part 103b and the back side Between piece 102.

In such diaper 80, main part 103a, folded-back part 103b, back sheet 102 and the 1st leg bullet of cover plate 103 Property component group 105A constitute the 1st leg tightening portion 92A.In addition, the main part 103a of cover plate 103, folded-back part 103b, back sheet 102 And the 2nd leg elastomeric element group 105B constitute the 2nd leg tightening portion 92B.In the 1st leg tightening portion 92A, the 1st leg tightening portion 92A institute Including fold-back edge 103c constitute the edge of the 1st leg tightening portion 92A, fold-back edge 103c included by the 2nd leg tightening portion 92B Constitute the edge of the 2nd leg tightening portion 92B.

In addition, each end in absorbent main body 83 on the 2nd direction D2, in the folded-back part 103b of cover plate 103 and front A part of piece 101 is bonded to above-mentioned lateral plate 84.

[composition in pinch waist portion]

Illustrate the composition in pinch waist portion referring to Fig. 8.Fig. 8 shows the cross section structure of the IV-IV line along Fig. 6.In fig. 8, scheme Show conventionally, absorbent main body 83 is indicated with 1 block.

As shown in figure 8, veutro exterior body 81 has the 1st outer plate 111, the 1st inner sheet 112 and multiple 1st waist elastics Part 113.Back side exterior body 82 has the 2nd outer plate 121, the 2nd inner sheet 122 and multiple 2nd waist elastic members 123.

On the thickness direction of diaper 80, the 1st outer plate 111 and the overlapping of the 1st inner sheet 112, the 2nd outer plate 121 and the 2nd inner sheet 122 overlappings.In the 1st inner sheet 112 in the face of the opposite side in the face opposite with the 1st outer plate 111 and the 2nd inner sheet 122 with the 2nd outside The face bonding of the opposite side in the opposite face of piece 121 has absorbent main body 83.

1st outer plate 111 has main part 111a, folded-back part 111b and fold-back edge 111c.Fold-back edge 111c has Extend along the 2nd direction D2 linear, folded-back part 111b is at fold-back edge 111c relative to main part 111a to the 1st inner sheet 112 sides being located at are turned back.Folded-back part 111b covers 1 end and the absorbability master of the 1st direction D1 of the 1st inner sheet 112 as a result, 1 end of 1st direction D1 of body 83.

Multiple 1st waist elastic members 113 between the 1st outer plate 111 and the 1st inner sheet 112 and compare on the 1st direction D1 Absorbent main body 83 is close to the position of fold-back edge 111c.Each 1st waist elastic members 113 have to be extended along the 2nd direction D2 Threadiness, arranged at spaced intervals on the 1st direction D1.

In such diaper 80, the 1st outer plate 111, the 1st inner sheet 112 and multiple 1st waist elastic members 113 are constituted 1st pinch waist portion 93A.The fold-back edge 111c of 1st outer plate 111 constitutes the edge of the 1st pinch waist portion 93A.

In contrast, the 2nd outer plate 121 and the 1st outer plate 111 are same, have main part 121a, folded-back part 121b and fold-back Edge 121c.Fold-back edge 121c is linear with extending along the 2nd direction D2, and folded-back part 121b is at fold-back edge 121c It turns back relative to the side being located to the 2nd inner sheet 122 main part 121a.Folded-back part 121b is by the 1st side of the 2nd inner sheet 122 as a result, It is covered to 1 end of the 1st direction D1 of 1 end and absorbent main body 83 of D1.

Multiple 2nd waist elastic members 123 between the 2nd outer plate 121 and the 2nd inner sheet 122 and compare on the 1st direction D1 Absorbent main body 83 is close to the position of fold-back edge 121c.Each 2nd waist elastic members 123 have to be extended along the 2nd direction D2 Threadiness, arranged at spaced intervals on the 1st direction D1.

In such diaper 80, the 2nd outer plate 121, the 2nd inner sheet 122 and multiple 2nd waist elastic members 123 are constituted 2nd pinch waist portion 93B.The fold-back edge 121c of 2nd outer plate 121 constitutes the edge of the 2nd pinch waist portion 93B.

In veutro exterior body 81, multiple 1st abdomen elastomeric elements 114 be located at the 1st outer plate 111 and the 1st inner sheet 112 it Between.Multiple 1st abdomen elastomeric elements 114 are located at than the 1st all waist elastic members 113 close to absorption on the 1st direction D1 Property main body 83 center position.

Multiple 1st abdomen elastomeric elements 114 include being located at than absorbent main body 83 close to the position of the 1st engagement end portion 81a Multiple 1st abdomen elastomeric elements 114 and positioned at than absorbent main body 83 close to the position of the 2nd engagement end portion 81b multiple 1 Abdomen elastomeric element 114.Positioned at multiple 1st abdomen elastic portions than absorbent main body 83 close to the position of the 1st engagement end portion 81a Part 114 and divide positioned at multiple 1st abdomen elastomeric elements 114 than absorbent main body 83 close to the position of the 2nd engagement end portion 81b The threadiness that Ju You not extend along the 2nd direction D2, arranges at spaced intervals on the 1st direction D1.

1st outer plate 111, the 1st inner sheet 112 and the 1st abdomen elastomeric element 114 constitute the 1st abdomen tightening portion 94A.1st abdomen Portion tightening portion 94A has the multiple folds arranged when diaper 80 is worn along the 2nd direction D2.

In back side exterior body 82, multiple 2nd abdomen elastomeric elements 124 be located at the 2nd outer plate 121 and the 2nd inner sheet 122 it Between.Multiple 2nd abdomen elastomeric elements 124 are located at than the 2nd all waist elastic members 123 close to absorption on the 1st direction D1 Property main body 83 center position.

Multiple 2nd abdomen elastomeric elements 124, which have, to be located at than absorbent main body 83 close to the position of the 1st engagement end portion 82a Multiple 2nd abdomen elastomeric elements 124 and positioned at than absorbent main body 83 close to the position of the 2nd engagement end portion 82b multiple 2 Abdomen elastomeric element 124.Positioned at multiple 2nd abdomen elastic portions than absorbent main body 83 close to the position of the 1st engagement end portion 82a Part 124 and divide positioned at multiple 2nd abdomen elastomeric elements 124 than absorbent main body 83 close to the position of the 2nd engagement end portion 81b The threadiness that Ju You not extend along the 2nd direction D2, arranges at spaced intervals on the 1st direction D1.

2nd outer plate 121, the 2nd inner sheet 122 and the 2nd abdomen elastomeric element 124 constitute the 2nd abdomen tightening portion 94B.2nd abdomen Portion tightening portion 94B has the multiple folds arranged when diaper 80 is worn along the 2nd direction D2.

[variation of the 2nd embodiment]

In addition, the 2nd above-mentioned embodiment can be by being suitably changed and implemented as follows.

Or in the 1st leg tightening portion 92A, all leg elastomeric elements included by the 1st leg elastomeric element group 105A 105 are located between the folded-back part 103b and back sheet 102 of cover plate 103.Alternatively, it is also possible to for, in the 2nd leg tightening portion 92B, All leg elastomeric elements 105 that 2 leg elastomeric element group 105B include be located at cover plate 103 folded-back part 103b and back sheet 102 it Between.

It can also be upper in the 1st direction D1 by the end that the folded-back part 111b of the 1st outer plate 111 is covered in 1st inner sheet 112 In than all 1st waist elastic members 113 close to the position of absorbent main body 83.I.e., or, in the 1st pinch waist portion In 93A, all 1st waist elastic members 113 are located between the main part 111a and folded-back part 111b of the 1st outer plate 111.In addition, Or the 2nd the end that is covered by the folded-back part 121b of the 2nd outer plate 121 in inner sheet 122 be located on the 1st direction D1 than institute There are the 2nd waist elastic members 123 close to the position of absorbent main body 83.I.e., or, in the 2nd pinch waist portion 93B, All 2nd waist elastic members 123 are located between the main part 121a and folded-back part 121b of the 2nd outer plate 121.

Veutro exterior body 81 and back side exterior body 82 are respectively also possible to the composition for only having 1 outer load.In the feelings Under condition, as long as each outer load has the fold-back edge at the edge of the 1st element, the 2nd element and composition pinch waist portion i.e. It can.Also, fold-back edge have extend along the 2nd direction D2 it is linear, as long as the 2nd element fold-back edge relative to The side that 1st element is located to absorbent main body 83 is turned back.In addition, as long as multiple waist elastic members are located at the 1st Between element and the 2nd element.As long as in addition, absorbent main body 83 be engaged in it is opposite with the 1st element in the 2nd element Face opposite side face.

Diaper 80 has pinch waist portion, abdomen tightening portion, three-dimensional tightening portion and tightening portion, 4 kinds of leg tightening portion, but As long as being at least to have pinch waist portion in these.

Claims (6)

1. a kind of absorbent commodity, has: predecessor's piece covers the abdomen of wearer, and one including constituting open end Partial front end, the open end delimit the opening that the body of the wearer passes through；

Body piece afterwards covers the back of the wearer, and including constituting the open end together with the front end Rear end；

Lower crotch connect with predecessor's piece and the rear body piece, and covers the in-leg of the wearer；And

Pinch waist portion, positioned at tightening portion end, at least one party of the front end and the rear end is the tightening portion end Portion,

The direction of body piece towards the lower crotch that the pinch waist portion described in predecessor's piece and the rear body piece is located at is 1st direction, the direction orthogonal with the 1st direction is the 2nd direction,

The pinch waist portion includes:

1st comprising the edge in the pinch waist portion；

It is 2nd, opposite with described 1st, and the edge including the pinch waist portion；And

Multiple elastomeric elements, be located at described 1st with it is described between 2nd, and along the 2nd direction extension, and The 1st direction arrangement,

Multiple elastomeric elements include top elastomeric element, which is from the side in the pinch waist portion The smallest elastomeric element of the distance that edge is counted,

The top elastomeric element has top fixed area, which includes top fixed part and on-fixed portion Point, which is fixed on described 1st and 2nd described using adhesive, which is not secured to institute The 1st and 2nd described is stated,

The top fixed part is located at 2 ends on the 2nd direction described in the top fixed area.

2. absorbent commodity according to claim 1, wherein the top fixed area includes that 2 tops are fixed Part and 1 non-fixed portions,

The non-fixed portions are clipped on the 2nd direction by 2 top fixed parts,

On the 2nd direction, the length of each top fixed part is shorter than the length of the non-fixed portions.

3. absorbent commodity according to claim 2, wherein on the 2nd direction, the length of the top fixed part The summation of degree is shorter than the length of the non-fixed portions.

4. absorbent commodity according to any one of claims 1 to 3, wherein multiple elastomeric elements are further Including cardinal extremity elastomeric element, which is the elastomeric element other than the top elastomeric element,

The cardinal extremity elastomeric element has cardinal extremity fixed area, and the cardinal extremity fixed area is fixed on described including the use of adhesive 1st and the 2nd cardinal extremity fixed part,

The cardinal extremity fixed part is located at 2 ends in the cardinal extremity fixed area at least described 2nd direction,

On the 2nd direction, the summation of the length of the cardinal extremity fixed part is more total than the length of the top fixed part And length.

5. absorbent commodity according to claim 4, wherein the entirety of the cardinal extremity fixed area is that the cardinal extremity is fixed Part.

6. absorbent commodity according to any one of claims 1 to 5, wherein have including the 1st element and the 2nd 1 piece of piece element, the 1st element constitute described 1st at least part, and the 2nd element is wanted with described 1st The different part of element, constitutes described 2nd at least part,

The boundary of 1st element and the 2nd element is the edge in the pinch waist portion.