CN107106363A

CN107106363A - Absorbent commodity

Info

Publication number: CN107106363A
Application number: CN201580069397.2A
Authority: CN
Inventors: 南崎亚由香; 富田美奈; 铃木岳志
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2014-12-19
Filing date: 2015-12-17
Publication date: 2017-08-29
Also published as: JP6083909B2; JP2016116847A; RU2664372C1

Abstract

The present invention provides a kind of absorbent commodity, the composite sheet (10) of the absorbent commodity is partly engaged by first (1) and second (2) and forms multiple junction surfaces (31,32), and first (1) in the disengaged portion of second (2) with forming to prominent and prominent to the skin side of the wearer multiple convex portions (40) in the direction away from second (2).Composite sheet (10) has first direction and the second direction orthogonal with the first direction, is alternately formed with (X) in a first direction：Extend and do not have continuously in a second direction the non-embossed areas (N) at junction surface along second direction (Y)；With the embossed area (E) for extending and foring in a regular pattern junction surface along second direction, the continuous convex portion (40) continuously extended in second direction (Y) in non-embossed areas (N) formation, continuous convex portion (40) has the part (42) that width is regularly narrowed in second direction (Y).

Description

Absorbent commodity

Technical field

The present invention relates to the absorbent commodities such as disposable diaper, sanitary napkin, incontinence pad.

Background technology

Since, it is used as the positive dough sheet of the absorbent commodities such as disposable diaper, sanitary napkin, incontinence pad, it is known that The positive dough sheet of concaveconvex shape is formed with by embossing processing etc. on the skin side towards the skin side of wearer.In addition, Also known following technology：Concaveconvex shape is formed by the skin side in positive dough sheet, forms empty between the skin of wearer Between, so that the technology that the moisture that the urine or menses by being drained are produced is distributed.

As the prior art on the positive dough sheet with three-dimensional shape, what it is in the record of patent document 1 is that one kind has bag Heat-shrinkable fibre layer containing the heat-shrinkable fiber after thermal contraction, and the fibre plate of multiple embossed portions is formed with, wherein, height is most It is high hemispherical high convex portion, highly minimum hemispherical low convex portion, highly lower than the high convex portion and higher than the low convex portion Hemispherical convex portion Ju You not be multiple.In the fibre plate, alternately match somebody with somebody in the second direction orthogonal with first direction It is equipped with and configures the first convex portion row formed by multiple middle convex portions in a first direction and configure multiple high convex portions in a first direction and shape Into the second convex portion row, high convex portion surrounds by 4 middle convex portions, multiple low convex portions be configured at it is each it is adjacent in a first direction in Between convex portion and configuration is between each adjacent high convex portion in a second direction.

In addition, the record of patent document 2 is following absorbent commodity, i.e. in the surface shape of the positive dough sheet of absorbent commodity Into the embossing recess for having substantially rectangular shape or generally oblong shape, make to come absorbability thing by the embossing that multiple embossing recesses are constituted The end side of the length direction of product and center side direction are configured differently.

Prior art literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2014-70299 publications

Patent document 2：Japanese Unexamined Patent Publication 2004-298271 publications

The content of the invention

The present invention relates to a kind of absorbent commodity, its suction for including positive dough sheet, back sheet and being configured between two pieces Acceptor.The positive dough sheet with first direction with the composite sheet of the second direction orthogonal with the first direction by constituting, first party To consistent with the article length direction of the fore-and-aft direction when wearing along wearer.In the composite sheet, first be laminated Piece and second form multiple junction surfaces, first portion beyond the junction surface by being embossed to process and partly engage Position forms oriented protruded away from the direction of second and the multiple convex portions prominent to the skin side of wearer.In the composite sheet In, alternately form in a first direction：Extend in a second direction and continuously connect in a second direction without described The non-embossed areas in conjunction portion；Extend and form in a regular pattern the embossed area at the junction surface in a second direction. Each embossed area of 2 embossed areas of each non-embossed areas is clipped, with straight line by each portion of second direction Profile formation line in convex portion formed by the midpoint of the end at the junction surface near the non-embossed areas in position is connected to each other Shape be in a second direction repeatedly have the amphi position point and peri position point different from the distance of the non-embossed areas broken line Shape, in the non-embossed areas, forms the continuous convex portion continuously extended in a second direction, the company as the convex portion Continuous convex portion has the part that width is regularly narrowed in a second direction.The junction surface for constituting the embossed area is all formed as Any one of tangent line that first party is upwardly extended and the tangent line that extends in a second direction not with constitute embossed area its His junction surface intersects.

Brief description of the drawings

Fig. 1 is the vertical view of the basic structure for the disposable diaper for being denoted as one of absorbent commodity of the present invention embodiment Figure.

Fig. 2 is Fig. 1 II-II line profiles.

Fig. 3 is the partial cutaway of a part for the composite sheet for the positive dough sheet that enlarged representation is preferably used as absorbent commodity of the present invention Disconnected stereogram.

Fig. 4 is the vertical view of a part for the composite sheet for the positive dough sheet that enlarged representation is preferably used as absorbent commodity of the present invention Figure.

Fig. 5 (a) is Fig. 4 Va-Va line profiles, and Fig. 5 (b) is Fig. 4 Vb-Vb line profiles, and Fig. 5 (c) is Fig. 4 Vc-Vc line profiles.

Fig. 6 is the top view of the major part of the composite sheet shown in enlarged representation Fig. 3.

Fig. 7 is the top view of the major part of the composite sheet shown in enlarged representation Fig. 3.

Fig. 8 (a) is the top view of the major part of the composite sheet shown in enlarged representation Fig. 3, and Fig. 8 (b) is to represent to constitute pressure The junction surface in flower region in a first direction or the tangent line that upwardly extends of second party is handed over constituting other junction surfaces of embossed area The top view (figure for corresponding to Fig. 8 (a)) of one of situation of fork example.

Fig. 9 is the explanation figure of the action effect of the present invention, and be composite sheet shown in shooting figure 3 along a first direction The photo in section.

Figure 10 is the schematic diagram for representing the device that the manufacture of the composite sheet shown in Fig. 3 is preferably used.

Figure 11 be after the first roller of the device shown in Figure 10 is decomposed in the state of a part of stereogram.

Figure 12 is that the side face of the first roller of the device shown in Figure 10 is expanded into the figure obtained by plane.

Figure 13 is that the side face of the second roller of the device shown in Figure 10 is expanded into the figure obtained by plane.

Figure 14 is the state exhibition after the convex portion of the second roller shown in Figure 13 is engaged with the side face of the first roller shown in Figure 12 Open as the figure obtained by plane.

Figure 15 is to represent that the amplification of another for being preferably used as the composite sheet of the positive dough sheet of absorbent commodity of the present invention is overlooked Figure (figure for corresponding to Fig. 4).

Figure 16 is the top view of the major part of the composite sheet shown in enlarged representation Figure 15.

Figure 17 is the top view of the major part of the composite sheet shown in enlarged representation Figure 15.

Figure 18 is the dorsal part for representing not only to have the basic structure also disposable diaper with preferred structure shown in Fig. 1 The top view of portion side.

Figure 19 is the continuous of the elastomeric element configuring area for the drosal part for representing to be formed at the disposable diaper shown in Figure 18 The diagrammatic top view of the preferred configuration of convex portion and elastomeric element.

Embodiment

In the case of to positive dough sheet formation three-dimensional shape, due to the pattern of the three-dimensional shape, positive dough sheet can be with dress When absorbent commodity deformation and compressed on the width of absorbent commodity, concavo-convex convex portion collapses or become Shape, thereby tends to that the release efficiency for the moisture realized by bumps can not be given full play to.

Therefore, problem of the invention is that there is provided a kind of absorbability for eliminating the shortcoming that above-mentioned prior art is present Article.

Below, based on it, preferred embodiment the present invention will be described referring to the drawings.

What Fig. 1 and Fig. 2 were represented be the absorbent commodity of the present invention an embodiment i.e. disposable diaper 100 (it is following, Referred to as diaper 100) essential structure.

As depicted in figs. 1 and 2, diaper 100 includes：The positive dough sheet 12 of liquid permeability, the back sheet 13 of opaque liquid and configuration Absorber 14 between two pieces 12,13.On back sheet 13, so-called opaque liquid also includes the concept of difficult liquid permeability, the back of the body Dough sheet 13 is in addition to the situation comprising complete liquid-tight, also comprising situations about constituting such as the piece by hydrophobicity (water-repellancy) etc..

Diaper 100 has：When wearing the direction consistent with the fore-and-aft direction of wearer i.e. article length direction Xa, such as scheme Shown in 1 diaper 100 expand into it is plane in the state of the item width direction Ya orthogonal with article length direction Xa.In addition, Diaper 100 has on the Xa of article length direction：The veutro portion A of the veutro of wearer is configured at when wearing；Match somebody with somebody when wearing It is placed in the drosal part B of the dorsal part of wearer；And the crotch bottom C between veutro portion A and drosal part B.Diaper 100 is deploying type Disposable diaper, drosal part B both sides edge be provided with magic tape 17, veutro portion A outer surface provided with adhere the thread gluing With 17 Da Zhe areas 18.

The absorber 14 of diaper 100 includes absorbent core 14a and coats absorbent core 14a core covering piece 14b.Absorb Property core 14a such as can the absorbency fiber as paper pulp fiber product is slim or mixing of absorbency fiber and water absorbent polymer Product is slim to be constituted.As absorbency fiber, for example, it can enumerate：Paper pulp fiber, rayon fiber, cotton fiber, cellulose acetate etc. Cellulose-based hydrophilic fibre.In addition to using cellulose-based hydrophilic fibre, it is also possible to use by surfactant etc. Fiber by the fiber hydrophiling being made up of synthetic resin such as polyolefin, polyester, polyamide.As core covering piece 14b, for example Use cotton paper or the non-woven fabrics of water penetration.Core covering piece 14b can use a piece of entirety for coating absorbent core 14a, can also group Piece more than two panels is closed to coat absorbent core 14a.As back sheet 13, using opaque liquid or hydrophobic resin film, Laminate of resin film and non-woven fabrics etc..

In the article length direction Xa of diaper 100 both sides, the three-dimensional gauffer formation for being configured with flexible part 15a is used Piece 15, by elastomeric element 15a contraction, in the crotch bottom C-shaped of wearing effect into being erected to the skin side of wearer Three-dimensional gauffer.In addition, at the position in the leg week for being configured at crotch bottom C, being configured with leg elastic members 16 with elongation state, passing through It shrinks, calf circumference gauffer of the crotch bottom C-shaped under wearing effect into the raising fit all with the leg of wearer.

The positive dough sheet 12 of diaper 100 is made up of the composite sheet 10 shown in Fig. 3 and Fig. 4.Fig. 3 is enlarged representation composite sheet 10 Partial cross section's stereogram of a part.

As shown in figure 3, first 1 be laminated in composite sheet 10 and second 2 is partly connect by being embossed processing Close, form multiple junction surfaces, first 1 position beyond the junction surface formed it is oriented protruded away from the direction of second 2 and The multiple convex portions prominent to the skin side of wearer.In composite sheet 10, the face of second 2 side is general planar, at first 1 Side is formed with the bumps of big rise and fall.

First 1 and second 2 is made up of sheet material.As sheet material, for example, non-woven fabrics can be used, weaves cotton cloth and is knitted The fibre plates such as fabric, film etc., from the point of view of the viewpoints such as sense of touch, preferably use fibre plate, particularly preferably using non-woven fabrics.Constitute the A piece of 1 and the species of the sheet material of second 2 can be with identical, or can also be different.

As using non-woven fabrics as non-woven fabrics when constituting the sheet material of first 1 and second 2, for example, it can enumerate： Hot-wind nonwoven cloth, spun-bonded non-woven fabrics, spunlace non-woven cloth, melt spraying non-woven fabrics, spun-bonded non-woven fabrics, needle punched non-woven fabrics etc..It can also be used Combine the two or more layered product of these non-woven fabrics, combine the layered product of these non-woven fabrics and film etc..Wherein, it is excellent Choosing uses hot-wind nonwoven cloth or spun-bonded non-woven fabrics.The grammes per square metre of non-woven fabrics is preferably 10g/m²More than, more preferably 15g/m²More than, Additionally, it is preferred that being 40g/m²Hereinafter, more preferably 35g/m²Below.The grammes per square metre of non-woven fabrics is preferably 10g/m²Above 40g/m²With Under, more preferably 15g/m²Above 35g/m²Below.

As the fiber for constituting non-woven fabrics, the fiber being made up of various thermoplastic resins can be used.As thermoplastic resin, It can enumerate：The polyamides such as the polyester such as the polyolefin such as polyethylene or polypropylene, polyethylene terephthalate, nylon 6 or nylon66 fiber Amine, polyacrylic acid, polyalkyl methacrylate, polyvinyl chloride, polyvinylidene chloride etc..These resins can be used alone one Kind, or two or more mixtures is made to use.Furthermore it is possible to which the form of the composite fibre of core-shell-type or side-by-side type etc. is come Use.

Composite sheet 10 has the first direction X and second direction Y orthogonal with the first direction in the face of piece, is being assembled in In the state of diaper 100, first direction X is consistent with length direction (article length direction) Xa of diaper 100, second direction Y with Width (item width direction) Ya of diaper 100 is consistent.

In addition, composite sheet 10 be in most cases first direction X generally with giving that the blank of first 1 and second 2 is rolled up Outgoing direction is consistent.In the case where first 1 and second 2 is such as non-woven fabrics, the first direction X most cases of composite sheet 10 The lower majority fibers differently- oriented directivity with constituting the fiber of non-woven fabrics is consistent.In addition, the first direction X of composite sheet 10 is also with rear Conveying direction (MD) during the method manufacture composite sheet 10 stated.

What Fig. 4 was represented is the top view of the composite sheet 10 shown in Fig. 3.The Va-Va lines that Fig. 5 (a)~Fig. 5 (c) is Fig. 4 are cutd open Face figure, Vb-Vb lines profile and Vc-Vc line profiles.Fig. 6 is the amplification plan view of an enlarged representation Fig. 4 part.

As shown in Figure 3 and Figure 4, in composite sheet 10, as raised part with spaced apart on X in a first direction Mode is formed with multiple continuous convex portions 40 continuously extended on second direction Y.As shown in Fig. 4 and Fig. 5 (a), continuous convex portion 40 Formed respectively with the first convex portion 41 and the second convex portion 42 mode connected to each other being alternately arranged on second direction Y.In this theory In bright book, convex portion links and refers to that two adjacent convex portions are separated not over junction surface, and a part for a convex portion turns into another A part for one convex portion, and a part for another convex portion turns into a part for a convex portion.

First convex portion 41 and the second convex portion 42 have hollow bulb, the hollow bulb at the back side of the first convex portion 41 in respective dorsal part Hollow bulb with the back side of the second convex portion 42 is mutually continuous, and the dorsal part in continuous convex portion 40, which is formed with along second direction Y, continuously to be prolonged The continuous hollow portion 40V stretched.

As shown in fig. 6, the shape during vertical view of the first convex portion 41 and the second convex portion 42 is all elliptical shape.First convex portion 41 Oval major axis it is consistent with first direction X, the oval major axis of the second convex portion 42 is consistent with second direction Y.In addition, first is convex All it is in the shape with top in section in the either direction of the convex portion 42 of portion 41 and second in a first direction in X and second direction Y Shape.

Composite sheet 10 is in the state of diaper 100 is assembled in, and the face towards first 1 side of the skin side of wearer is formed There are multiple continuous convex portions 40 and there is concaveconvex shape, unlike this, the face towards second 2 side of the side of absorber 14 turns into substantially It is flat.

As shown in figure 4, in composite sheet 10, being alternately formed with X in a first direction：Second direction Y extend and It is continuous on second direction Y to extend without the non-embossed areas N at junction surface, on second direction Y and be formed with regular pattern The embossed area E at junction surface.

In embossed area E, engaged and shape by embossing processing department point as first 1 be laminated and second 2 Into junction surface, be formed with the first junction surface 31 and the second junction surface 32.In these junction surfaces 31,32, first 1 and second Piece 2 is integratedly pressurizeed by being embossed processing, makes two pieces than other parts densification, one is passed through between preferably two pieces The melting and solidification afterwards of the composition resin of the piece of person or both and thermal welding.

As shown in fig. 6, present embodiment the first junction surface 31 and the second junction surface 32 second direction Y allocation position It is different.In addition, length L1, L2 along second direction Y at the first junction surface 31 and the second junction surface 32 is also different.First engagement The plan view shape at the junction surface 32 of portion 31 and second is rectangle, and each side of the rectangle is consistent with first direction X or second direction Y.

Be formed as the first junction surface 31 of rectangle consistent with second direction Y and between separating along second direction Y with its long side Every mode be configured to a line.Thus, form the first junction surface along second direction Y and arrange R1.Similarly, rectangle is formed as Second junction surface 32 by its short side it is consistent with second direction Y and along second direction Y intervals in the way of be configured to a line.By This, forms the second junction surface along second direction Y and arranges R2.

In the row R1 of each first junction surface, the configuration space at the first junction surface 31 on second direction Y is certain.Each In the row R2 of two junction surfaces, the configuration space at the second junction surface 32 on second direction Y has two kinds of intervals, and is alternately The part narrow with interval with wide part is spaced.In the row R1 of each first junction surface, first when being seen along second direction Y connects The allocation position in conjunction portion 31 is all identical.Arrange R2 at each second junction surface, the second junction surface 32 when being seen along second direction Y is matched somebody with somebody Seated position is also all identical.

As shown in fig. 6, each embossed area E includes 1 the first junction surface row R1 and is located at its both sides on X in a first direction 2 the second junction surfaces row R2.

When being conceived to 1 the first junction surface 31 for constituting the first junction surface row R1, constitute 2 the second junction surfaces and arrange R2's 4 the second junction surfaces 32 altogether, with respective corner and 4 angles at first junction surface 31 around first junction surface 31 The relative state in portion is configured close to (getting close to).Thus, formed by 1 the first junction surface 31 and 4 second around it Junction surface 32 constitute an entirety (mono- Wrapping り) junction surface group 30.In each embossed area E along second direction Y with certain Interval is formed with multiple same junction surface groups 30.

In addition, as shown in fig. 7, each non-embossed areas N 2 embossed area E are being clipped, respectively with straight line link second The midpoint of the end at the junction surface near non-embossed areas N in direction Y each position each other formed by convex portion wheel profile Into being shaped as on second direction Y repeatedly with the amphi position point P1 and peri position point different from non-embossed areas N distance for line Lt P2 broken line shape.Convex portion profile formation line Lt be determine to be formed at non-embossed areas N continuous convex portion 40 along second party To the line of the outline shape of the Y profiles extended.

As shown in fig. 7, the midpoint of the end near non-embossed areas N junction surface, in second direction Y the first engagement It is the midpoint on the side towards non-embossed areas N at the first junction surface 31 in the Present site in portion 31, second in second direction Y connects It is midpoint of second junction surface 32 respective upwardly facing non-embossed areas N side in the Present site in conjunction portion 32.Such as the second junction surface 32 like that, the side towards non-embossed areas N first direction X position identical junction surface on second direction Y not via In the case that other junction surfaces are arranged, by junction surface while midpoint and another junction surface while midpoint between in Point is set to peri position point P2.

In composite sheet 10, by the way that there is above-mentioned shape in 2 embossed area E for clipping non-embossed areas N respectively Convex portion profile formation line Lt etc., as described above, continuously extending and second on second direction Y in non-embossed areas N formation Regularly there is the continuous convex portion 40 of the narrowed part of width on the Y of direction.In detail, as shown in fig. 7, clipping non-embossed area The amphi position point P1 of a pair of relative domain N convex portion profile formation line Lt forms the first convex portion 41 of continuous convex portion 40 to each other, in folder The peri position point P2 for a pair of relative convex portion profiles formation line Lt of non-embossed areas N forms the second convex of continuous convex portion 40 to each other Portion 42, on the length in the direction of X along a first direction, length L41s of the length L42 than the first convex portion 41 of the second convex portion 42 It is short.In continuous convex portion 40, the part being made up of its second convex portion 42 turns into the width (the of the part than being made up of the first convex portion 41 One direction X length) narrow constriction.

In addition, the respective X in the first direction in junction surface 31,32 extensions of composition embossed area E in composite sheet 10 are cut Any one tangent line in line and the in a second direction tangent line of Y extensions does not intersect with constituting embossed area E other junction surfaces.

That is, when being conceived to 1 shown in Fig. 8 (a) the first junction surface 31A, for first junction surface 31A, it is considered to 2 tangent lines C1, C2 extending on first direction X and in a second direction 2 tangent lines C3, C4 of Y extensions, these tangent lines C1~C4 with Any one of other junction surfaces 32 of the first junction surface 31 and second comprising the embossed area EA including the 31A of first junction surface is all Do not intersect, and with the first junction surface 31 and the second junction surface 32 of other embossed area E outside embossed area EA Do not intersect.Same situation is equally applicable for the first all junction surfaces 31.

In addition, when being conceived to 1 shown in Fig. 8 (a) the second junction surface 32A, in second junction surface 32A, it is considered to 2 tangent lines C5, C6 extending on first direction X and 2 tangent lines C7, C8 extending on second direction Y, these tangent lines C5~C8 With including appointing in the first junction surface 31 and other second junction surfaces 32 in the embossed area EA including the 32A of second junction surface One does not intersect, and is connect with the first junction surface 31 and second in other embossed area E outside embossed area EA Conjunction portion 32 does not also intersect.Same situation is equally applicable for the second all junction surfaces 31.

In addition, in the situation of " not intersecting with other junction surfaces ", shown in such as Fig. 8 (a), also existing including the first junction surface 31 Overlapping with the X along a first direction at the second junction surface 32 end 32e tangent line C1, the C2 extended on first direction X situation, The tangent line C3, the C4 that extend on second direction Y at one junction surface 31 and the end along second direction Y at the second junction surface 32 Situation overlapping 32f.

On the other hand, shown in such as Fig. 8 (b), 1 the first junction surface 31A X along a first direction 2 tangent lines C1, C2 with The edge of situation that the first junction surface 31B in other embossed areas E or the second junction surface 32B intersects, 1 the first junction surface 31A Second direction Y 2 tangent lines C3, C4 and the first junction surface 31C for constituting other junction surface groups 30 in same embossed area Or second junction surface 32C intersect situation do not correspond to " not intersecting with other junction surfaces ".

As shown in Figure 4 and Figure 6, the composite sheet 10 that present embodiment is used has by annular recessed portion bag in embossed area E Enclose discrete embossed area interior protuberance 46 of surrounding.Embossed area interior protuberance 46 is formed as X in a first direction and second direction Y In either direction on section in all have top shape.Embossed area interior protuberance 46 has hollow bulb in respective dorsal part 46V。

As shown in figure 4, embossed area interior protuberance 46 is multiple with along mode straight line spaced apart second direction Y Ground is configured to row pattern, constitutes embossed area interior protuberance row.Second convex portion 42 it is multiple also to separate a spacing along second direction Y From mode be point-blank configured to row pattern, constitute the second convex portion row.The convex portion 42 of embossed area interior protuberance 46 and second is formed at Identical position on two direction Y.In more detail, X is handed over along a first direction for the second convex portion 42 and embossed area interior protuberance 46 Configure alternately and linearly.Also, as shown in fig. 6, when being conceived to the second convex portion 42 and embossed area interior protuberance 46 and the During three convex portions 43, these three convex portions, according to second convex portion 42, the 3rd convex portion 43, embossed area interior protuberance 46, the 3rd convex portion 43 X is configured regularly and linearly order along a first direction successively.

Embossed area interior protuberance 46 and continuously pass through annular recessed portion 47 between convex portion 40 and other embossed area interior protuberances 46 It is spaced.Annular recessed portion 47 is made up of junction surface and the 3rd convex portion 43.Specifically, as shown in fig. 6, by 2 the first junction surfaces 31st, 4 the second junction surfaces 32,2 structures of the 3rd convex portion 43 between adjacent 2 the second junction surfaces 32 on second direction Y Circlewise recess 47.The shape during vertical view of the 3rd convex portion 43 is in longer substantially rectangular of X along a first direction.3rd convex portion 43 Its upper surface becomes general planar.In addition, the 3rd convex portion 43 is literally " convex portion ", but the height of the 3rd convex portion 43 Height compared to the first and second convex portions 41, any one of 42 for constituting continuous convex portion 40 is all low, and compared to embossing The height of region interior protuberance 46 is also low, so when from the point of view of these convex portions, it is relative to turn into recess.

Composite sheet 10 used in present embodiment is formed with above-mentioned first in first 1 of the composite sheet 10 is constituted Convex portion 41, the second convex portion 42, the 3rd convex portion 43 and embossed area interior protuberance 46.The height of 3rd convex portion 43 than the first convex portion 41, Any one of second convex portion 42 and embossed area interior protuberance 46 are all low.

In addition, set the height of the first convex portion 41 as H1, the second convex portion 42 height be H2, the 3rd convex portion 43 height be When H3, the height of embossed area interior protuberance 46 are H4, they preferably meet the relation of following (1) and (2), more preferably meet following (1) relation of~(3).

(1)H1≥H2

(2) H1 ＞ H4, H2 >=H4

(3)H4≥H3

First junction surface 31 and the second junction surface 32 can be formed by various methods.At first 1 and second 2 by can In the case that the material of thermal welding is constituted, it can use and utilize heat, ultrasonic wave, welding of high frequency realization etc..No matter first 1 He How is the material of second 2, can use the bonding realized using bonding agent.Realized when using using heat, ultrasonic wave, high frequency Welding the engagement of two pieces 1,2 is formed during junction surface 31,32, beyond junction surface 31,32 is compared to the junction surface 31,32 Position is by densification.The Distance Shortened between piece 1,2 is tieed up by the case that fibre plate is constituted, passing through densification chemical fibre, or fiber shape State disappears and occurs filming.In the manufacture method of composite sheet 10 described later, two pieces 1,2 are engaged by thermal welding, shape Into the junction surface 31,32 being made up of weld portion.

In the diaper 100 of present embodiment because so that first direction X towards article length direction Xa, make second party The mode for item width direction Ya to Y-direction uses the composite sheet 10 with above structure as positive dough sheet 12, so by wearing The moisture of the generation such as the sweat for the person of wearing or the urine drained under wearing effect can be along continuous convex portion 40 on the width of diaper Efficiently spread and distributed.Also, by be formed with the non-embossed areas N of continuous convex portion 40 by the high embossed area E of rigidity, E is clipped, in dress, though diaper 100 by along the section of its length direction turn into arc-shaped in the way of in the longitudinal direction Bending, also can stably maintain the cross sectional shape (reference picture 9) of the convex of continuous convex portion 40.Because by stably remaining convex The cross sectional shape of shape, to maintain the gap being formed between skin and continuous convex portion 40, so emission capabilities are improved.In addition, because Has well-regulated narrowed portion along second direction Y for the continuous convex portion 40, even if so applying width to diaper 100 by huckle The power of compression on direction, can also be shunk by the narrowed portion, the part beyond narrowed portion to suppress continuous convex portion 40 Deformation.Moreover, because the configuration at embossed area E junction surface is formed as into the tangent line at junction surface and other junction surfaces do not intersect, So being also formed with bending point in embossed area E, composite sheet 10 is flexible in embossed area E, thus, more stably the company of maintenance The three-dimensional shape of the convex of continuous convex portion 40.According to the diaper 100 of present embodiment, this makes it possible to stably maintained in dress The moisture realized from continuous convex portion 40 can obtain being not easy to producing sultry etc. comfortable wear to the emission capabilities of width Sense.

In addition, as described above, composite sheet 10 used in present embodiment has by annular recessed portion bag in embossed area E Enclose discrete embossed area interior protuberance 46 of surrounding.Therefore, when being bent in composite sheet 10 in a first direction X, supporting is continuous Convex portion 40, further keeps the shape of continuous convex portion 40.

In addition, because the shape for constituting embossed area E junction surface 31,32 is square or rectangular, institute when overlooking Can prevent from bending on incline direction of the composite sheet 10 in a first direction beyond X or second direction Y, and suppress continuous convex portion 40 collapse.

From the viewpoint of the balance of the maintenance for the shape for realizing gas permeability and continuous convex portion, non-embossed areas N is preferred First direction X length Ln is less than more than the 20% 100% of the length Le of the embossed area E direction, more preferably 30% Below the above 90%.In addition, non-embossed areas N X along a first direction length Ln is preferably more than 1mm, particularly preferably More than 2mm, preferably below 10mm, particularly preferably below 5mm, additionally, it is preferred that being more than 1mm below 10mm, more preferably More than 2mm below 5mm.On the other hand, embossed area E X along a first direction length Le is preferably more than 1mm, especially excellent Elect more than 2mm, particularly preferably preferably below 15mm, below 10mm as, additionally, it is preferred that be more than 1mm below 15mm, it is more excellent Elect more than 2mm below 10mm as.

In addition, the length L5 along second direction Y in the gap between junction surface group 30 in embossed area E is preferably embossing Less than more than the 20% 100% of region E X along a first direction length Ln, more preferably less than more than 30% 90%.Separately Outside, above-mentioned length L5 is preferably more than 0.1mm below 5mm, more preferably more than 0.5mm below 3mm.

In addition, from the viewpoint of the shape stability for improving continuous convex portion 40, along a first direction X amphi position point P1 that Around here be preferably apart from LP1 (identical with the X along a first direction of the first convex portion 41 length) X along a first direction peri position Point P2 to each other apart from more than the 120% of LP2 (identical with the X along a first direction of the second convex portion 42 length), more preferably For more than 150%, additionally, it is preferred that being less than 300%, more preferably less than 280%, for example, it is preferable to be more than 120% 300% Hereinafter, more preferably less than more than 150% 280%.

In addition, second direction Y amphi position point P1 or peri position point P2 pitch is (between the center of the narrowed portion of continuous convex portion 40 Apart from identical) it is preferably embossed area E in a first direction or non-embossed areas N configuration section away from (with continuous convex portion 40 The center pitch in one direction is from identical) less than more than 20% 200%, more preferably less than more than 40% 150%.

In addition, the second direction Y amphi position point P1 or peri position point P2 pitch (centromere with the narrowed portion of continuous convex portion 40 Apart from identical) be preferably more than 0.4mm, more preferably more than 2mm, additionally, it is preferred that for below 40mm, more preferably 20mm with Under, additionally, it is preferred that being more than 0.4mm below 40mm, more preferably more than 2mm below 20mm.

In addition, the X along a first direction at the first junction surface 31 length L3 is preferably more than 0.1mm, particularly preferably More than 0.3mm, preferably below 10mm, particularly preferably below 5mm.For example, the X along a first direction at the first junction surface 31 Length L3 is preferably more than 0.1mm below 10mm, more preferably more than 0.5mm below 5mm.On the other hand, the first junction surface 31 Be preferably more than 0.1mm along second direction Y length L1, particularly preferably more than 0.5mm, preferably below 10mm are special You Xuanwei not below 5mm.For example, the length L1 along second direction Y at the first junction surface 31 be preferably more than 0.1mm 10mm with Under, more preferably more than 0.5mm below 5mm.

In addition, the X along a first direction at the second junction surface 32 length is preferably more than 0.1mm, particularly preferably 0.5mm More than, preferably below 10mm, particularly preferably below 5mm.For example, the X along a first direction at the second junction surface 32 length L4 is preferably more than 0.1mm below 10mm, more preferably more than 0.5mm below 5mm.On the other hand, the edge at the second junction surface 32 The length L2 for second direction Y is preferably more than 0.1mm, and particularly preferably more than 0.5mm, preferably below 10mm are especially excellent Elect below 5mm as.For example, the second junction surface 32 is preferably more than 0.1mm below 10mm along second direction Y length L2, More preferably more than 0.5mm below 5mm.

In addition, the interval of the wider part in intervals of the R2 preferably between second direction Y junction surface 32 is arranged at the second junction surface (in figure 6, identical with the above-mentioned length L1 at the first junction surface) is relative to the interval between being spaced the junction surface 32 of narrower part It is (identical with the length L5 in above-mentioned gap) be more than 1 times, particularly preferably more than 1.5 times, preferably less than 10 times, particularly preferably For less than 8 times, preferably less than more than 1 times 10 times, particularly preferably less than more than 1.5 times 8 times.

In composite sheet 10, as described above, being formed with each embossed area E：First junction surface 31 is along second direction Y The first junction surface row R1 of a row is configured at spaced intervals；Match somebody with somebody at spaced intervals along second direction Y with the second junction surface 32 The second junction surface row R2 of a row is set to, the second junction surface row R2 is formed at two of the first junction surface row R1 on first direction X Side.As shown in figure 4, in each embossed area E, the structure surrounded with 1 the first junction surface 31 by 4 the second junction surfaces 32 Junction surface group 30 be formed with the state being arranged in a row on second direction Y it is multiple.

From the viewpoint of the conformality for improving continuous convex portion 40, R1 is arranged preferably second in the first junction surface of composite sheet 10 The ratio of length for amounting to the second direction Y that length arranges R1 relative to the first junction surface at the first junction surface 31 on the Y of direction is Junction surface rate (%) is less than more than 10% 80%, more preferably less than more than 20% 70%.

Junction surface rate (%) is obtained by the following method.

That is, overlook in the state of composite sheet 10, drawn in embossed area E parallel to second in the face from second side Direction Y straight line Lm (reference picture 4).Straight line Lm is with the junction surface in the central portion of the first direction positioned at embossed area E The mode passed through on one junction surface 31 is brought out.

Moreover, as shown in figure 4, set the configuration section of the second direction of junction surface group 30 away from 1 pitch degree length Lp (with L2+L1+L2+L5 in Fig. 6 is identical) it is Unit 1, measure the length of the amount of straight line Lm 5 units.Confirmed with visual observations The part (the first junction surface 31) that is heating-fusion bonded and have cured is processed by being embossed in the straight line of the amount of 5 units, measurement should Partly the length overlapping with straight line Lm at (the first junction surface 31), calculates the total length for amounting to the amount for accounting for 5 units of the length Ratio.In the case where with the naked eye being difficult to measure, for example, it is also possible to using microscope (KEYENCE society VHX-1000), Observation measurement is carried out with 20~100 times of multiplying power.

R2 is arranged at 2 the second junction surfaces for clipping the first junction surface row R1 on composite sheet 10, and junction surface rate (%) is also excellent Elect less than more than 10% 80%, more preferably less than more than 20% 70% as.The junction surface rate (%) of second junction surface row is the The second junction surface 32 of the junction surface of composition second row R2 on two direction Y amounts to length arranges R2 relative to the second junction surface the The ratio of two direction Y length, extraction and the overlapping straight line parallel to second direction in the second junction surface 32, are similarly surveyed Amount.

In the absorbent commodity of the present invention, although not shown, but the positive dough sheet 12 preferably constituted with by piece 10 is combined, as Above-mentioned absorber, preferably uses the absorber including absorbent core, and the absorbent core has along the one of article length direction Xa Bar or multiple pod portions or one or multiple translot portions along item width direction Ya, and then, preferably use multiple parallel Pod portion be crossed as clathrate with multiple parallel translot portions and be formed with the in-plane direction multiple by 2 pod portions and 2 The absorbent core in the liquid absorption portion that bar translot portion is surrounded.Such pod portion or translot portion can also be formed at when overlooking Absorbent core whole region, a part for absorbent core can also be only formed at, for example, being configured at veutro portion, drosal part With the part of any part in crotch bottom, but position at least overlapping with composite sheet 10 is preferably formed in.By being applied in combination Yielding absorber, can further prevent the continuous convex portion 40 of composite sheet 10 from collapsing or deforming.The density in liquid absorption portion It is preferred that higher than the density of the translot portion between liquid absorption portion or the base section in pod portion.The structure of such absorber and Manufacture method is such as being recorded in Japanese Unexamined Patent Publication 2013-255558 publications, JP 2013-255567 publications.In addition, this The absorber of sample can also be such that pod portion or translot portion is used towards the either side in positive dough sheet side and back sheet side.

Then, reference picture 10 is illustrated to Figure 14 to the preferable production process of the composite sheet 10 of present embodiment.As schemed Shown in 10, the manufacture method of composite sheet 10 has figuration process, in the figuration process, while making side face in the of concaveconvex shape One roller 111 and have on side face in the concaveconvex shape of shape engaged with the concaveconvex shape of the first roller the second roller 112 each other Rotate in the opposite direction, while supplying first 1 to the engaging piece of two rollers 111,112, concavo-convex figuration is carried out to first 1. In addition, the manufacture method of composite sheet 10 has bonding process after figuration process, in the bonding process, make first 1 edge The first roller 111 all faces keep intact from engaging portion movement, then to supply second with first 1 overlapping mode Piece 2, in a heated state by two pieces 1,2 the convex portion of the first roller 111 and the first heating roller 113 and the second heating roller 114 it Between clamp and be partially engageable with.

As shown in Figure 10, the side face phase of the second roller 112, the first heating roller 113 and the second heating roller 114 and the first roller 111 To configuration.Second roller 112, the first heating roller 113 and the second heating roller 114 are from the direction of rotation R of the first roller 111 upstream side Downstream side is configured successively in the order.Side face in concaveconvex shape the first roller 111 and the second roller 112 details later It is described.First heating roller 113 and the second heating roller 114 are without concavo-convex flat anvil roller respectively in side face.

First, first 1 is sent out from the blank winding up roller of first 1 is (not shown).In addition, with this first separate from The blank winding up roller of two 2 is (not shown) to send out second 2.Then, as shown in Figure 10, first is sent sent out first 1 into The engaging piece of roller 111 and the second roller 112 and be snapped into, concavo-convex figuration is carried out to first 1.At this moment, by the first roller 111 from its week Attract inside towards roller, promote the concavo-convex figuration of first 1.The attracting mechanism to the first roller 111 is described below.

Next, as shown in Figure 10, first 1 is persistently being attracted to keep figuration shape on the side face of the first roller 111 Overlapping second 2 in the state of state, then by two pieces after overlapping in the first roller 111 first heating roller smooth with side face Clamped between 113.At this moment, the first heating roller 113 is heated to regulation by both the first roller 111 and the first heating roller 113 or only Temperature.Thus, on the convex portion of the first roller 111 be each gear (reference picture 11) described later tooth crest top land on first 1 and second 2 engaged by thermal welding, formed junction surface 31,32.

Next, making the overlapping body of first 1 and second 2 engaged by thermal welding exist in lasting attracting holding Moved in the state of on the side face of first roller 111, by the overlapping body in the first roller 111 second heating roller smooth with side face Clamped between 114.At this moment, the second heating roller 114 is heated to regulation by both the first roller 111 and the second heating roller 114 or only Temperature.Thus, be on the convex portion positioned at the first roller 111 each gear tooth on junction surface 31,32, constitute first 1 and the Such as thermoplastic resin of the material of two 2 is melted, and more firmly forms junction surface 31,32.So, it is continuously manufactured by as target Composite sheet 10.

What Figure 11 was represented is the stereogram of a part for the state after Figure 10 the first roller 111 is decomposed.First roller 111 is Multiple first gears 121 and second gear 122 and distance piece 123 are combined, they are concentrically installed on shaft core 124 and collected Roller as roll.The configuration sequence of these gears 121,122 and distance piece 123 is described hereinafter.Gear 121 and interval Part 123 is respectively provided with identical width (facewidth), and gear 122 has substantially 2 times of width (tooth of gear 121 and distance piece 123 It is wide).Two kinds of gears 121,122 and distance piece 123 their shaft core opening, the insertion rotary shaft (not shown) in its opening. Two kinds of gears 121,122 and distance piece 123 are respectively formed with notch part (not shown), in the notch part insert key (not shown). Thus the idle running of two kinds of gears 121,122 and distance piece 123 is prevented.

Distance piece 123 is in from the radial shape of multiple projections i.e. protuberance (beam) 125 that extends of ground in center.Between Its length of each protuberance 125 of spacing body 123 is all identical.For convenience by by linking the front end of each protuberance 125 and hypothetically When the diameter of a circle of formation is defined as tip diameter, the tip diameter is justified than the bottom of the tooth of the first and second gears 121,122 Diameter is small.

On each gear 121,122, to be formed with the way of surrounding the opening at rotary shaft (not shown) center to be inserted Multiple opening portions 126,127.Each opening portion 126,127 is same diameter, is respectively formed in the equidistant position in center with gear Put.Adjacent opening portion 126,127 and the center angulation of gear is roughly equal.The opening portion of each gear 121,122 126th, 127 number is identical with the quantity of the protuberance 125 of above-mentioned distance piece 123.Moreover, assembling each gear 121,122 In the case of distance piece 123, it is located at respectively between the adjacent protuberance 125 of distance piece 123 with each opening portion 126,127 Mode configures each gear 121,122 and distance piece 123.That is, opening portion 126,127 is made to be located at by 2 adjacent and of protuberance 125 In the region for the substantially V-shaped that the central part of distance piece 123 is constituted.In addition, in fig. 11, in the area of above-mentioned substantially V-shaped The whole region of opening portion 126,127 is included in domain, but it is also possible to instead of which, only included in the region of substantially V-shaped A part for opening portion 126,127.The position of the substantially V-shaped corresponds to recess of the side face for the first roller 111 of concaveconvex shape. On the other hand, the convex portion of concaveconvex shape corresponds to the tooth top and bottom of the tooth of each gear 121,122.

As described above, when assembling each gear 121,122 and distance piece 123, the He of opening portion 126 of first gear 121 The opening portion 127 of second gear 122 is just connected on the shaft core direction of the first roller 111, in being internally formed at this for the first roller 111 Multiple attraction roads (not shown) of shaft core direction extension.The attraction road is connected with the suction device being arranged at outside roller 111, passed through The suction device is worked, can internally attract the first roller 111 from the recess for being formed at its side face.

What Figure 12 was represented is the state for expanding into the side face of the first roller 111 after plane.In the figure, shown in arrow U Direction is the direction of rotation of the first roller 111, and the direction shown in arrow V is the shaft core direction of the first roller 111.In addition, in the figure, What the rectangular area represented with tiny point was represented is the crest top land of each gear 121,122.As shown in the drawing, the first roller 111 has Have this 4 parts of first gear 121, second gear 122, first gear 121 and distance piece 123 according to the order it is integrated successively and Constitute 1 cycle T₁, and with the cycle T₁Integrated integrated construction repeatedly.

In fig. 12, it is to be used as the pre- of the junction surface 31,32 of the composite sheet 10 of target using the crest top land shown in tiny point It is shaped as position.Specifically, the tooth 121a of first gear 121 crest top land is the predetermined forming position at the second junction surface 32. In addition, the tooth 122a of second gear 122 crest top land is the predetermined forming position at the first junction surface 31.Each gear 121,122 and Distance piece 123 is appropriately configured in the way of the configuration pattern that can obtain the junction surface 31,32 shown in above-mentioned Fig. 4.

Also, in fig. 12, the first roller foveal region 146A is in the embossed area as the composite sheet 10 of target The predetermined forming position of convex portion 46, first the first recess area of roller 141A is the first convex portion 41 of the composite sheet 10 as target Predetermined forming position.In addition, first the second recess area of roller 142A is the pre- of the second convex portion 42 of the composite sheet 10 as target Position is shaped as, the recess area 143A of the first roller the 3rd is the predetermined formation position of the 3rd convex portion 43 of the composite sheet 10 as target Put.

What Figure 13 was represented is to expand into the side face for the second roller 112 that there is meshing relation with the first roller 111 after plane State.In the figure, the direction shown in arrow U is the direction of rotation of the second roller 112, and the direction shown in arrow V is the second roller 112 Shaft core direction.

As shown in figure 13, the second roller 112 is by the 3rd gear 124, the 4th gear 128 and the distance piece 123 with the first roller 111 It is that conglomerate is constituted that identical distance piece, which is constituted,.In the figure, what the rectangular area that thicker point is represented was represented be gear 124, 128 crest top land.Second roller 112 can also not have attracting mechanism.It therefore, there is no need to will be formed in the first of the first roller 111 The opening portion 126,127 of gear 121 and second gear 122 is formed on the gear of the second roller 112.In addition, in the second roller 112 In, it is not required that in the formation protuberance 125 of distance piece 123.

As shown in figure 13, the second roller 112 has by the 3rd gear 124, distance piece 123, the 4th gear 128 and distance piece 123 this 4 parts are integrated successively in the order and constitute 1 cycle T₂, and with the cycle T₂Integrated integrated construction repeatedly. Constitute cycle T₂4 parts aggregate thickness and constitute cycle T in the first roller 111₁4 parts aggregate thickness it is identical.

In fig. 13, the second roller central spud 146B and second the second convex portion of roller are formed by the tooth 124a of the 3rd gear 124 142B.Second roller central spud 146B and second the second convex portion of roller 142B is located at along the alternate position in U directions.In addition, by Second the first convex portion of roller 141B of tooth 122a formation of two gears 122.In the state of after the first roller 111 and the engagement of the second roller 112, Second roller the first convex portion 141B is chimeric with first the first recess area of roller 141A.In addition, second roller the second convex portion 142B and first The second recess area of roller 142A is fitted together to.And then, the second roller central spud 146B is chimeric with the first roller foveal region 146A.

What Figure 14 was represented is that with the state that the side face of the first roller 111 has been engaged the convex portion of the second roller 112 is expanded into plane State afterwards.In the figure, what the rectangular area shown in tiny point was represented is the tooth top of the gear 121,122 of the first roller 111 Face.In addition, the rectangular area shown in thicker point is the crest top land of the gear 124,128 of the second roller 112.It can be seen that the Two the first convex portion of roller 141B enter first the first recess area of roller 141A.It is recessed that second the second convex portion of roller 142B enters the first roller second Portion region 142A.And and, the second roller central spud 146B enters the first roller foveal region 146A.With them in contradistinction to, The convex portion of second roller 112 enters the recess area 143A of the first roller the 3rd.

Also, first the first recess area of roller 141A, first 1 (not shown) are entered by second the first convex portion of roller 141B It is pressed into the first roller 111, carries out the three-dimensional figuration corresponding with the first convex portion 41.In addition, passing through second the second convex portion of roller 142B enters in first the second recess area of roller 142A, and first 1 (not shown) is pressed into the first roller 111, carries out and the The corresponding three-dimensional figuration in two convex portions 42.Entered by the second roller central spud 146B in the first roller foveal region 146A, First 1 (not shown) is pressed into the first roller 111, carries out the three-dimensional figuration corresponding with embossed area interior protuberance 46.This Outside, in the recess area 143A of the first roller the 3rd, by from suction from the 3rd recess area 143A to the inside of the first roller 111 Draw, first 1 (not shown) carries out three-dimensional figuration by attracting into the 3rd recess area 143A.Afterwards, by carrying out First 1 of three-dimensional figuration fits second 2, can obtain the composite sheet 10 as target.

Composite sheet 10 resulting as previously discussed is directed to the manufacturing line of diaper 100, by known method, is made The positive dough sheet 12 of disposable diaper 100.

More than, based on this, preferred embodiment the present invention is described, but the present invention is not limited to above-mentioned implementation Mode.For example, in the absorbent commodity of the present invention, the composite sheet as positive dough sheet can also be the composite sheet shown in Figure 15 10J。

Composite sheet 10J shown in Figure 15 is different from the composite sheet 10 shown in Fig. 4 at aspect as described below grade：Second junction surface 32 form on X at certain intervals in a first direction, substantially circular in shape during the vertical view of embossed area interior protuberance 46, highly and Area is bigger than the embossed area interior protuberance 46 of the composite sheet 10 shown in Fig. 4；First junction surface 31 is divided into 2 junction surfaces；Constitute First convex portion 41 of continuous convex portion 40 and the plan view shape and size of the second convex portion 42.On the other hand, at aspect as described below etc. It is identical with the composite sheet 10 shown in Fig. 4：Alternately it is formed with X in a first direction non-without junction surface in second direction Y Embossed area N and the embossed area E at junction surface is formed with a regular pattern in second direction Y；As shown in figure 16, clip each Individual non-embossed areas N 2 embossed area E it is respective in, with straight line by each position on second direction Y near non-embossed Convex portion profile formation line Lt shape formed by the end at region N junction surface is connected to each other be on second direction Y repeatedly Broken line shape with the amphi position point P1 different from non-embossed areas N distance and peri position point P2, separates one on X in a first direction It is formed with multiple continuous convex portion 40A continuously extended on second direction Y, these continuous convex portion 40A are respectively set a distance The continuous convex portion that the part being made up of on second direction Y the second convex portion 42 is regularly narrowed；As shown in figure 17, composite sheet Tangent line and extend in second direction Y that the respective X in a first direction in junction surface 31,32 of composition embossed area E in 10 extends Any one of tangent line do not intersect with constituting embossed area E other junction surfaces.

Thus, for example, according to the positive dough sheet as above-mentioned disposable diaper 100, so that first direction X and article length Mode consistent direction Xa can be realized and made using the disposable diaper of composite sheet 10J another embodiment of the present invention The same effect of the situation of positive dough sheet is used as with the composite sheet 10 shown in Fig. 4.

It is used as the disposable diaper 100 of an embodiment of the invention, disposable diaper preferably as shown in figure 18 100A like that, includes being configured with the elastomeric element configuration of multiple elastomeric elements 19 in drosal part B at least width central portion Region BM.

The magic tape 17 of disposable diaper 100A shown in Figure 18 is engaged and shape by band base material 17a and with band base material 17a Male parts into adhesive part 17c mechanicalness surface fastener are constituted, and Da Zhe areas 18 pass through the overleaf engagement mechanical surface fastener of piece 13 Female part or rich in engaging property non-woven fabrics and formed.The part with base material 17a of magic tape 17 forms to be clipped in the back side The fixed part 17b that state between piece 13 and the piece 15 of three-dimensional gauffer formation is fixed.Between left and right magic tape 17,17, Be configured with spaced intervals on diaper 100A length direction Xa it is multiple make that diaper 100A shrinks on width Ya it is multiple Thread or rope form elastomeric element 19.The plurality of elastomeric element 19 is used as the knot between being fixed on the non-woven fabrics of 2 non-woven fabrics or 2 foldings The flexure strip 19s of structure is configured, the end of flexure strip 19s end or each elastomeric element 19 included in flexure strip 19s It is preferred that overlapping with fixed part 17b.In addition, multiple elastomeric elements 19 are preferably configured at certain intervals on the Xa of article length direction. In addition, the adhesive part 17c of magic tape 17 can also be in adhesive portion etc. formed by band base material 17a coating adhesives.It is used as band Base material 17a, uses the various known materials such as non-woven fabrics.

The positive dough sheet 12 of disposable diaper 100A shown in Figure 18 is by above-mentioned composite sheet 10 or above-mentioned composite sheet 10J structures Into.

Composite sheet 10, the 10J are preferably in elastomeric element configuring area BM, and above-mentioned continuous convex portion 40,40A to exist respectively The mode extended on second direction Y is formed with multiple, as shown in figure 19, is setting the width of continuous convex portion as P1, above-mentioned elastic portion Part 19 at intervals of P2, above-mentioned continuous convex portion central portion to each other at intervals of P3 when, more preferably meet P1 ＜ P2 ＜ P3's Relation.The width P1 of continuous convex portion be the peri position point P2 of X along a first direction to each other apart from LP2, also with above-mentioned non-depressed Flower region N first direction X length Ln is identical.In addition, Figure 19 represent be constitute positive dough sheet 12 composite sheet be composite sheet 10 situation, but constitute positive dough sheet 12 composite sheet for composite sheet 10J situation similarly.

Multiple elastomeric elements 19 are the parts for the fit for making diaper shrink in the direction of the width and improving drosal part B, but When overlap in be configured with multiple elastomeric elements 19 it is elastomeric element configuring area BM, constitute positive dough sheet 12 composite sheet 10th, when 10J continuous convex portion 40,40A and elastomeric element 19 meet above-mentioned relation, by elastomeric element 19, even in diaper 100 drosal part B especially extends into the part than the more backrest side end side of absorber 14 along item width direction Ya's On second direction Y under contracted state, continuous convex portion 40,40A shape are also easily maintained.Thus, drosal part B's is anti-sultry Effect is improved, and the liquid-proof leakage effect from drosal part B sides is also improved.

In addition, there is the part that width is regularly narrowed on second direction Y by above-mentioned continuous convex portion 40,40A, even Continuous convex portion 40,40A contraction narrowing as rule, drosal part B anti-sultry effect are improved.In addition, can be in continuous convex portion 40th, the density gradient of fibre density is formed in 40A, fluid absorbent and leak preventing effect are also improved.

The absorbent commodity of the present invention can also replace the disposable diaper of deploying type but the disposable diaper of pants type, Alternatively, it is also possible to being sanitary napkin, incontinence pad, protection pad etc..

On above-mentioned embodiment, the present invention further discloses following absorbent commodity.

A kind of absorbent commodities of the ＞ of ＜ 1, its absorber for including positive dough sheet, back sheet and being configured between two pieces,

The positive dough sheet with first direction with the composite sheet of the second direction orthogonal with the first direction by constituting, and first Direction is consistent with the article length direction of the fore-and-aft direction when wearing along wearer,

First be laminated in the composite sheet and second is partly engaged multiple to be formed by being embossed processing Junction surface, first position beyond the junction surface forms the oriented direction away from second and protruded and to the flesh of wearer Multiple convex portions that skin side is protruded,

In the composite sheet, alternately form in a first direction：Extend in a second direction and in second direction On continuously do not have the junction surface non-embossed areas；Extend in a second direction and form institute in a regular pattern The embossed area at junction surface is stated,

Each embossed area of 2 embossed areas of each non-embossed areas is clipped, with straight line by second party To each position in the junction surface near the non-embossed areas end midpoint it is connected to each other formed by convex portion wheel The shape of profile into line is that have the amphi position point and peri position different from the distance of the non-embossed areas repeatedly in a second direction Point broken line shape, in the non-embossed areas, as the convex portion formed continuously extend in a second direction it is continuous Convex portion, the continuous convex portion has the part that width is regularly narrowed in a second direction,

The junction surface for constituting the embossed area is all formed as the tangent line extended in a first direction and in a second direction Any one of tangent line of extension does not intersect with constituting other junction surfaces of embossed area.

Absorbent commodities of the ＞ of ＜ 2 according to the above-mentioned ＞ of ＜ 1, has in the embossed area and is surrounded by annular recessed portion Discrete embossed area interior protuberance of surrounding.

Absorbent commodities of the ＞ of ＜ 3 according to the above-mentioned ＞ of ＜ 1 or the ＞ of ＜ 2, the first direction of the non-embossed areas Length is less than more than the 20% 100% of the length of the direction of the embossed area.

Absorbent commodities of the ＞ of ＜ 4 according to the above-mentioned ＞ of ＜ 3, the length of the first direction of the non-embossed areas is institute State less than more than the 30% 90% of the length of the direction of embossed area.

Absorbent commodities of the ＞ of ＜ 5 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 4, constitutes the embossed area The shape at the junction surface is square or rectangular when overlooking.

Absorbent commodities of the ＞ of ＜ 6 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 4, is formed in the embossed area Have：First junction surface configures the first junction surface row in a row along second direction at spaced intervals；With the second junction surface along Second direction configures the second junction surface row in a row at spaced intervals, and the second junction surface row is formed at first on first direction The both sides of junction surface row.

Absorbent commodities of the ＞ of ＜ 7 according to the above-mentioned ＞ of ＜ 6, in the embossed area, with by 4 second engagements The junction surface group of the structure at portion 1 the first junction surface of encirclement is formed with multiple with the state being arranged in a row in a second direction.

In absorbent commodities of the ＞ of ＜ 8 according to the above-mentioned ＞ of ＜ 6 or the ＞ of ＜ 7, the first junction surface row, as in second party The junction surface rate of the length relative to the ratio of the length for the second direction that the first junction surface is arranged altogether at the first upward junction surface For less than more than 10% 80%.

Absorbent commodities of the ＞ of ＜ 9 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 6, is formed with the absorber Along at least one of the groove portion in article length direction and the groove portion along item width direction.

Carried on the back at it absorbent commodities of the ＞ of ＜ 10 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 9, the continuous convex portion Side has the continuous hollow portion continuously extended along second direction.

Absorbent commodities of the ＞ of ＜ 11 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 10, the second of the composite sheet The face of the side of piece 2 is general planar.

Absorbent commodities of the ＞ of ＜ 12 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 11, the continuous convex portion passes through First convex portion and the second convex portion are connected to each other and are formed, and the shape of the first convex portion and the second convex portion in vertical view is ellipse Shape, the oval major axis of the first convex portion is consistent with first direction, and the oval major axis of the second convex portion is consistent with second direction.

Absorbent commodities of the ＞ of ＜ 13 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 12, in the junction surface, the It is a piece of and second by be embossed processing integratedly pressurizeed, two pieces are than other parts densification.

Absorbent commodities of the ＞ of ＜ 14 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 13, the first junction surface and second The allocation position in second direction at junction surface is different, the length along second direction at the first junction surface and the second junction surface It is different.

Absorbent commodities of the ＞ of ＜ 15 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 14, the first rectangular engagement Portion by make its long side consistent with second direction and along second direction interval in the way of configure in a row, thus, formed Arranged along the first junction surface of second direction.

Absorbent commodities of the ＞ of ＜ 16 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 15, the second rectangular engagement Portion by make its short side consistent with second direction and along second direction interval in the way of configure in a row, thus, formed Arranged along the second junction surface of second direction.

Absorbent commodities of the ＞ of ＜ 17 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 16, in being arranged at the first junction surface, The configuration space at the first junction surface in a second direction is certain, in being arranged at the second junction surface, in a second direction the The configuration space at two junction surfaces 31 includes both intervals in the way of the narrow part in the wide part in interval and interval alternates.

Absorbent commodities of the ＞ of ＜ 18 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 16, in each first junction surface row R1, the allocation position all same at the first junction surface when being seen along second direction Y arranges R2, along second at each second junction surface The allocation position at the second junction surface when direction Y is seen also all same.

Absorbent commodities of the ＞ of ＜ 19 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 18, the continuous convex portion passes through First convex portion and the second convex portion are connected to each other and are formed, and the remote of lines is formed clipping a pair of relative convex portion profiles of non-embossed areas Site P1 to each other, is formed with the first convex portion of continuous convex portion, is formed clipping a pair of relative convex portion profiles of non-embossed areas The peri position point P2 of line to each other, is formed with the second convex portion of continuous convex portion, on the length in direction along a first direction, second The length of convex portion is shorter than the length of the first convex portion.

Absorbent commodities of the ＞ of ＜ 20 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 19, composite sheet is in embossed area Interior to have discrete embossed area interior protuberance that surrounding is surrounded by annular recessed portion, embossed area interior protuberance is formed as in first party To be respectively provided with the section in the either direction in second direction top shape.

Absorbent commodities of the ＞ of ＜ 21 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 20, the continuous convex portion passes through First convex portion and the second convex portion are connected to each other and are formed, and multiple embossed area interior protuberances are separated by a distance along second direction Row pattern is configured to as the crow flies, constitutes embossed area interior protuberance row, multiple second convex portions separate certain also along second direction Distance is configured to row pattern as the crow flies, constitutes the second convex portion row, and embossed area interior protuberance is formed at second direction Y with the second convex portion On identical position.

Absorbent commodities of the ＞ of ＜ 22 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 21, the continuous convex portion passes through First convex portion is interconnected and formed with the second convex portion, there is the 3rd convex portion between embossed area interior protuberance and the second convex portion, Second convex portion, the 3rd convex portion, embossed area interior protuberance, the 3rd convex portion are regularly configured to directly along a first direction according to the order Wire.

Absorbent commodities of the ＞ of ＜ 23 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 22, is constituting the of composite sheet A piece of to be formed with the first convex portion, the second convex portion, the 3rd convex portion and embossed area interior protuberance, the height of the 3rd convex portion is more convex than first The height of any one of portion, the second convex portion and embossed area interior protuberance 46 is all low.

Absorbent commodities of the ＞ of ＜ 24 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 23, when the height for setting the first convex portion Degree is H1, the height of the second convex portion when to be H2, the height of the 3rd convex portion be that H3, the height of embossed area interior protuberance are H4, they Meet the relation of following (1) and (2), or meet the relation of (1)~(3),

(1)H1≥H2

(2) H1 ＞ H4, H2 >=H4

(3)H4≥H3。

Absorbent commodities of the ＞ of ＜ 25 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 24, non-embossed areas along The length Ln of first direction is preferably more than 1mm, particularly preferably more than 2mm, preferably below 10mm, particularly preferably 5mm Below.

Absorbent commodities of the ＞ of ＜ 26 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 25, embossed area along One direction Y length Le is preferably more than 1mm, particularly preferably more than 2mm, preferably below 15mm, particularly preferably 10mm Below.

Engagement in absorbent commodities of the ＞ of ＜ 27 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 26, embossed area The length L5 along second direction Y in the gap between portion's group is preferably embossed area E X along a first direction length Ln Less than more than 20% 100%, more preferably less than more than 30% 90%.

Absorbent commodities of the ＞ of ＜ 28 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 27, X's is remote along a first direction P1 to each other (identical with the X along a first direction of the first convex portion 41 length) apart from LP1 in site is preferably along first party To X peri position point P2 to each other apart from LP2 (identical with the X along a first direction of the second convex portion 42 length) 120% with On, more preferably more than 150%, additionally, it is preferred that being less than 300%, more preferably less than 280%.

Absorbent commodities of the ＞ of ＜ 29 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 28, second direction Y amphi position point P1 or peri position point P2 pitch (identical with the distance between centers of the narrowed portion of continuous convex portion 40) are preferably more than 0.4mm, more excellent More than 2mm is elected as, additionally, it is preferred that being below 40mm, more preferably below 20mm.

Absorbent commodities of the ＞ of ＜ 30 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 29, the first junction surface along First direction X length L3 is preferably more than 0.1mm, particularly preferably more than 0.3mm, preferably below 10mm, particularly preferably For below 5mm, the first junction surface 31 is preferably more than 0.1mm along second direction Y length L1, particularly preferably 0.5mm More than, preferably below 10mm, particularly preferably below 5mm.

Absorbent commodities of the ＞ of ＜ 31 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 30, the second junction surface along First direction X length is preferably more than 0.1mm, particularly preferably more than 0.5mm, preferably below 10mm, particularly preferably Below 5mm, the X along a first direction at the second junction surface length are preferably more than 0.1mm below 10mm, the edge at the second junction surface The length L2 for second direction Y is preferably more than 0.1mm, and particularly preferably more than 0.5mm, preferably below 10mm are especially excellent Elect below 5mm as.

In absorbent commodities of the ＞ of ＜ 32 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 31, the second junction surface row R2, The interval for being spaced larger part between second direction Y junction surface 32 is (in figure 6, with the above-mentioned length at the first junction surface L1 is identical) relative to the interval (identical with the length L5 in the gap) being spaced between the junction surface 32 of narrower part it is preferably 1 More than times, particularly preferably more than 1.5 times, particularly preferably preferably less than 10 times, less than 8 times.

Absorbent commodities of the ＞ of ＜ 33 according to any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 32, it is disposable diaper, bag Include：The veutro portion of the veutro of wearer is configured at when wearing；The drosal part of the dorsal part of wearer is configured at when wearing；And position Crotch bottom between veutro portion and drosal part,

In at least width central portion of the drosal part, between being separated on the length direction of the disposable diaper Every mode be configured with multiple multiple elastomeric elements for making the disposable diaper shrink in the direction of the width,

Be configured with the elastomeric element configuring area of multiple elastomeric elements, by respectively second direction extend in the way of Multiple continuous convex portions are formed with,

When set the width of the continuous convex portion as P1, the elastomeric element at intervals of P2, the center of the continuous convex portion Portion to each other at intervals of P3 when, meet P1 ＜ P2 ＜ P3 relation.

Industrial applicability

According to the absorbent commodity of the present invention, deform, can also maintain well by positive dough sheet under wearing effect The emission capabilities that the moisture of realization is distributed to item width direction, it is not easy to produce sultry.

Claims

1. a kind of absorbent commodity, its absorber for including positive dough sheet, back sheet and being configured between two pieces, the absorption Property article is characterised by：

The positive dough sheet with first direction with the composite sheet of the second direction orthogonal with the first direction by constituting, first direction It is consistent with the article length direction of the fore-and-aft direction when wearing along wearer,

First be laminated in the composite sheet and second forms multiple engagements by being embossed processing and partly engaging Portion, first position beyond the junction surface forms the oriented direction away from second and protruded and to the skin side of wearer Prominent multiple convex portions,

In the composite sheet, alternately form in a first direction：Extend in a second direction and connect in a second direction Do not have the non-embossed areas at the junction surface continuously；Extend in a second direction and form described connect in a regular pattern The embossed area in conjunction portion,

Each embossed area of 2 embossed areas of each non-embossed areas is clipped, with straight line by second direction Wheel profile in convex portion formed by the midpoint of the end at the junction surface near the non-embossed areas in each position is connected to each other Shape into line is that have the amphi position point and peri position point different from the distance of the non-embossed areas repeatedly in a second direction Broken line shape, in the non-embossed areas, forms the continuous convex portion continuously extended in a second direction as the convex portion, The continuous convex portion has the part that width is regularly narrowed in a second direction,

The junction surface for constituting the embossed area is all formed as the tangent line extended in a first direction and extended in a second direction Any one of tangent line do not intersect with constituting other junction surfaces of embossed area.

2. absorbent commodity according to claim 1, it is characterised in that：

There is discrete embossed area interior protuberance around annular recessed portion encirclement in the embossed area.

3. absorbent commodity according to claim 1 or 2, it is characterised in that：

The length of the first direction of the non-embossed areas is more than the 20% 100% of the length of the direction of the embossed area Below.

4. absorbent commodity according to claim 3, it is characterised in that：

The length of the first direction of the non-embossed areas is more than the 30% 90% of the length of the direction of the embossed area Below.

5. according to absorbent commodity according to any one of claims 1 to 4, it is characterised in that：

The shape for constituting the junction surface of the embossed area is square or rectangular when overlooking.

6. according to absorbent commodity according to any one of claims 1 to 4, it is characterised in that：

It is formed with the embossed area：First junction surface configures the first engagement in a row along second direction at spaced intervals Arrange in portion；Configure the second junction surface row in a row, the second junction surface row at spaced intervals along second direction with the second junction surface The both sides for the first junction surface row being formed on first direction.

7. absorbent commodity according to claim 6, it is characterised in that：

In the embossed area, the junction surface group with the structure by 4 second 1 the first junction surfaces of engagement portion envelopes with The state being arranged in a row in second direction is formed with multiple.

8. the absorbent commodity according to claim 6 or 7, it is characterised in that：

On the first junction surface row, arranged as the length that amounts at the first junction surface in a second direction relative to the first junction surface Second direction length ratio junction surface rate be less than more than 10% 80%.

9. according to absorbent commodity according to any one of claims 1 to 6, it is characterised in that：

It is formed with the absorber in the groove portion along article length direction and the groove portion along item width direction at least One.

10. according to absorbent commodity according to any one of claims 1 to 9, it is characterised in that：

The continuous convex portion has the continuous hollow portion continuously extended along second direction in its dorsal part.

11. according to absorbent commodity according to any one of claims 1 to 10, it is characterised in that：

The face of second 2 side of the composite sheet is general planar.

12. the absorbent commodity according to any one of claim 1~11, it is characterised in that：

The continuous convex portion is connected to each other and formed by the first convex portion and the second convex portion,

The shape of first convex portion and second convex portion when overlooking is elliptical shape,

The oval major axis of first convex portion is consistent with first direction, the oval major axis and second direction of second convex portion Unanimously.

13. the absorbent commodity according to any one of claim 1~12, it is characterised in that：

In the junction surface, first and second is integratedly pressurizeed by being embossed processing, and two pieces compare other parts Densification.

14. the absorbent commodity according to any one of claim 6~13, it is characterised in that：

First junction surface is different from the allocation position in second direction at second junction surface, first junction surface with The length along second direction at second junction surface is also different.

15. the absorbent commodity according to any one of claim 6~14, it is characterised in that：

Rectangular first junction surface is so that its long side is consistent with second direction and along second direction interval Mode configures in a row, thus, forms the first junction surface along second direction and arranges.

16. the absorbent commodity according to any one of claim 6~15, it is characterised in that：

Rectangular second junction surface is so that its short side is consistent with second direction and along second direction interval Mode configures in a row, thus, forms the second junction surface along second direction and arranges.

17. the absorbent commodity according to any one of claim 6~16, it is characterised in that：

In being arranged at first junction surface, the configuration space at first junction surface in a second direction is certain, in institute State in the row of the second junction surface, the configuration space at second junction surface in a second direction is narrow with the wide part in interval and interval The mode that alternates of part include both intervals.

18. the absorbent commodity according to any one of claim 6~16, it is characterised in that：

In first junction surface row, the allocation position all same at first junction surface when being seen along second direction, in institute State the second junction surface row, the allocation position at second junction surface when being seen along second direction also all same.

19. the absorbent commodity according to any one of claim 1~18, it is characterised in that：

In the amphi position point for clipping convex portion profile formation line described in relative a pair of the non-embossed areas to each other, it is formed with described First convex portion of continuous convex portion,

In the peri position point for clipping convex portion profile formation line described in relative a pair of the non-embossed areas to each other, it is formed with described Second convex portion of continuous convex portion, on the length in direction along a first direction, the length of the second convex portion is than the first convex portion Length it is short.

20. the absorbent commodity according to any one of claim 2~19, it is characterised in that：

The composite sheet has discrete embossed area interior protuberance around annular recessed portion encirclement in the embossed area,

The embossed area interior protuberance is formed as being respectively provided with the section in the either direction in second direction in a first direction The shape at top.

21. the absorbent commodity according to any one of claim 2~20, it is characterised in that：

Multiple embossed area interior protuberances are separated by a distance along second direction is configured to row pattern as the crow flies, constitutes pressure Flower region interior protuberance row,

Multiple second convex portions are separated by a distance also along second direction is configured to row pattern as the crow flies, constitutes second convex Portion is arranged,

The embossed area interior protuberance is formed at the identical position in second direction with second convex portion.

22. the absorbent commodity according to any one of claim 2~21, it is characterised in that：

The continuous convex portion is interconnected and formed by the first convex portion and the second convex portion,

There is the 3rd convex portion between the embossed area interior protuberance and second convex portion,

Second convex portion, the 3rd convex portion, embossed area interior protuberance, the 3rd convex portion are regularly configured along a first direction according to the order Be in line shape.

23. absorbent commodity according to claim 22, it is characterised in that：

The first convex portion, the second convex portion, the 3rd convex portion and embossed area interior protuberance are formed with constitute the composite sheet first, The height of 3rd convex portion is all lower than the height of any one of the first convex portion, the second convex portion and embossed area interior protuberance 46.

24. absorbent commodity according to claim 23, it is characterised in that：

When set the height of first convex portion as H1, second convex portion height be H2, the 3rd convex portion height be H3, When the height of the embossed area interior protuberance is H4, they meet the relation of following (1) and (2), or meet (1)~(3) Relation,

(1)H1≥H2

(2) H1 ＞ H4, H2 >=H4

(3)H4≥H3。

25. the absorbent commodity according to any one of claim 1~24, it is characterised in that：

The length Ln along a first direction of the non-embossed areas is more than 1mm below 10mm.

26. the absorbent commodity according to any one of claim 1~25, it is characterised in that：

The length Le along a first direction of the embossed area is more than 1mm below 15mm.

27. the absorbent commodity according to any one of claim 1~26, it is characterised in that：

The length L5 along second direction in the gap between the junction surface group in the embossed area is the embossed area Length Ln along a first direction less than more than 20% 100%.

28. the absorbent commodity according to any one of claim 1~27, it is characterised in that：

Amphi position point along a first direction to each other apart from LP1 for along a first direction peri position point to each other apart from LP2 Less than more than 120% 300%.

29. the absorbent commodity according to any one of claim 1~28, it is characterised in that：

The amphi position point of second direction or the pitch of peri position point are more than 0.4mm below 40mm.

30. the absorbent commodity according to any one of claim 6~29, it is characterised in that：

The length L3 along a first direction at first junction surface is more than 0.1mm below 10mm, the edge at first junction surface The length L1 for second direction is more than 0.1mm below 10mm.

31. the absorbent commodity according to any one of claim 6~30, it is characterised in that：

The length along a first direction at second junction surface be more than 0.1mm below 10mm, second junction surface along First direction X length is more than 0.1mm below 10mm.

32. the absorbent commodity according to any one of claim 6~31, it is characterised in that：

In the row of second junction surface, the interval of the larger part in interval between the junction surface in a second direction relative to Between the junction surface of the narrower part in interval at intervals of less than more than 1 times 10 times.

33. the absorbent commodity according to any one of claim of right1~32, it is disposable diaper, including：When wearing It is configured at the veutro portion of the veutro of wearer；The drosal part of the dorsal part of wearer is configured at when wearing；With positioned at veutro portion and Crotch bottom between drosal part, it is characterised in that：

In at least width central portion of the drosal part, with the interval on the length direction of the disposable diaper Mode is configured with multiple multiple elastomeric elements for making the disposable diaper shrink in the direction of the width,

The elastomeric element configuring area of multiple elastomeric elements is being configured with, to be formed respectively in the way of second direction extends There are multiple continuous convex portions,

When set the width of the continuous convex portion as P1, the elastomeric element at intervals of P2, the continuous convex portion central portion that Around here at intervals of P3 when, meet P1 ＜ P2 ＜ P3 relation.