CN204839955U

CN204839955U - Disposable diaper

Info

Publication number: CN204839955U
Application number: CN201390001006.XU
Authority: CN
Inventors: 武井忍; 福田优子
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2012-12-25
Filing date: 2013-10-08
Publication date: 2015-12-09
Anticipated expiration: 2023-10-08
Also published as: TWI600417B; JP6157110B2; TW201431544A; WO2014103464A1; JP2014124199A; RU162132U1

Abstract

The utility model discloses a disposable diaper (1A) installs lateral plate (3) at the lateral part (2S) of absorbent main body (2). Lateral plate (3) through via the configuration the main part side adhesive layer (35) of absorbent main body (2) side, configuration in outside adhesive layer (36) and middle adhesive layer (37) of configuration between them of the outside portion of lateral plate (3) (3S) side, fix elastomeric element (33) between 2 lateral plate sheets (31, 32) and formation. The adhesive strength of middle adhesive layer (37) inclines than the main part a little less than adhesive layer (35) and outside adhesive layer (36). The one end position of configuration in the elastomeric element's (33c) of the position of leaning on most crotch portion (C) side both ends (33I, 33O) inclines between adhesive layer (35) and outside adhesive layer (36) in the main part, other end position in main part incline adhesive layer (35) or outside adhesive layer (36).

Description

Disposable diaper

Technical field

This utility model relates to the disposable diaper of deploying type.

Background technology

All the time, the known disposable diaper with the retractility lateral plate extended out respectively from the both side edges of absorbent main body.The human body of the mankind is that abdominal part is forwards given prominence to and swayback, and then in the below of human body, buttocks is rearward given prominence to, and then has groin, and thus, girth becomes large.If simply the disposable diaper with retractility lateral plate is worn on human body as above, then with concavo-convex, the girth that changes of buman body type accordingly, the elongation degree of retractility lateral plate becomes unequal.When the unequal like this elongation of retractility lateral plate, become large and the lower limb that there is the concavo-convex change of buman body type encloses place at girth, the degree of tightness that retractility lateral plate causes may be left and strangle trace.

As the disposable diaper with lateral plate, such as, there will be a known the disposable diaper with retractility lateral plate recorded in patent documentation 1 and patent documentation 2.In addition, as the disposable diaper with retractility lateral plate, the disposable diaper recorded in patent documentation 3 and patent documentation 4 before the applicant, is proposed.

Prior art document

Patent documentation

Patent documentation 1: Japan Patent spy table 2008-526386 publication

Patent documentation 2:WO2008/002840 publication

Patent documentation 3: Japanese Patent Laid-Open 2012-100832 publication

Patent documentation 4: Japanese Patent Laid-Open 2012-120609 publication

Summary of the invention

In the retractility lateral plate that the disposable diaper recorded in patent documentation 1 and patent documentation 2 has, two ora terminalis of the longitudinal direction of this lateral plate do not extend in parallel to each other, are formed as complicated shape when overlooking.Therefore, when manufacturing the lateral plate of shape described above, cannot be excused from a college course and manufacture with cutting.

The retractility lateral plate that the disposable diaper recorded in patent documentation 3 and patent documentation 4 has is rectangular shape when being formed as overlooking, and when manufacturing lateral plate, can be excused from a college course and manufacture with cutting.

But, in patent documentation 3 and patent documentation 4, being at least configured in by the elastomeric element of the position of crotch side about forming in many elastomeric elements of lateral plate, and forming the configuration relation fixing the bond layer of this elastomeric element of lateral plate without any record.Therefore, in the disposable diaper recorded in patent documentation 3 and patent documentation 4, strangle trace from reducing the degree of tightness that lower limb that retractility lateral plate causes encloses in the wearing process of diaper, the viewpoint promoting use sense is set out, and there is the leeway of improvement.

Therefore, even the purpose of this utility model is to provide a kind of flat shape simple retractility lateral plate, in the wearing process of diaper, also not easily encloses place at lower limb leave the disposable diaper that degree of tightness strangles the use sense lifting of trace.

This utility model relates to a kind of disposable diaper, it has the absorbent main body of lengthwise, the absorbent main body of this lengthwise comprises the absorber of liquid retainability, the back sheet of the positive dough sheet being configured in the skin opposite face side of this absorber and the non-skin opposite face side being configured in this absorber, and be divided into the veutro portion of the veutro being positioned at wearer when wearing, in drosal part and the crotch that is configured between this veutro portion and this drosal part of dorsal part, the lateral plate of the retractility extended outside width is separately installed with in the both sides of the length direction of above-mentioned absorbent main body, and at the lateral part along absorbent main body length direction of this lateral plate, the pull stap extended outside width is installed.Above-mentioned lateral plate is under elongation state, and two ora terminalis of absorbent main body length direction extend in parallel to each other, and comprise: 2 sheet materials; Be fixed between these 2 sheet materials, and the many elastomeric elements extended in the width direction; Main body side bond layer, it is configured in the end side of the above-mentioned absorbent main body side of these many elastomeric elements, extends along absorbent main body length direction; Outside bond layer, it is configured in the end side of the lateral part side of the above-mentioned lateral plate of this elastomeric element, extends along absorbent main body length direction; With multiple middle bond layer, it is configured in this main body side bond layer and outside this between bond layer, extend along absorbent main body length direction, this elastomeric element of the elongation state be configured at intervals on absorbent main body length direction, by via this main body side bond layer, bond layer and this middle bond layer outside this, is fixed between these 2 sheet materials and is formed by above-mentioned lateral plate.The adhesive strength of above-mentioned middle bond layer than aforementioned body side bonds oxidant layer and above-mentioned outside bond layer adhesive strength separately weak.Being at least configured in above-mentioned many elastomeric elements leans on the elastomeric element of the position of crotch side to be configured to most, one end part in the both ends of this elastomeric element is between aforementioned body side bonds oxidant layer and above-mentioned outside bond layer, and the other end is positioned at aforementioned body side bonds oxidant layer or above-mentioned outside bond layer.

Accompanying drawing explanation

Fig. 1 observes from positive dough sheet side the plane graph disposable diaper of the deploying type as this utility model first embodiment being extended the state gained launched.

Fig. 2 is the amplification view that the retractility lateral plate that the disposable diaper of the deploying type of Fig. 1 is had extends the state launched.

Fig. 3 is the sectional view of the state after the I-I cross-sectional constriction of Fig. 1.

Fig. 4 is the amplification view (being equivalent to the figure of Fig. 2) that the retractility lateral plate that the disposable diaper as embodiment of the present utility model is had extends the state launched.

Fig. 5 is the figure of state when representing the disposable diaper wearing Fig. 1.

Fig. 6 is the axonometric chart of an example of the manufacture method of the lateral plate represented in the disposable diaper of the first embodiment.

Fig. 7 is the amplification view (being equivalent to the figure of Fig. 2) that the retractility lateral plate that the disposable diaper of the second embodiment of the present utility model is had extends the state launched.

Fig. 8 is the amplification view (being equivalent to the figure of Fig. 2) of the state that the retractility lateral plate elongation before making the disposable diaper institute tool of the 3rd embodiment of the present utility model launches.

Fig. 9 is the amplification view (being equivalent to the figure of Fig. 2) of the state that the retractility lateral plate elongation before making the disposable diaper institute tool of the 4th embodiment of the present utility model launches.

Figure 10 is the amplification view (being equivalent to the figure of Fig. 2) of the state that the retractility lateral plate elongation before making the disposable diaper institute tool of the 5th embodiment of the present utility model launches.

Figure 11 is the amplification view (being equivalent to the figure of Fig. 2) that the retractility lateral plate that the disposable diaper of the 6th embodiment of the present utility model is had extends the state launched.

Figure 12 is the amplification view (being equivalent to the figure of Fig. 2) that the retractility lateral plate that the disposable diaper of the 7th embodiment of the present utility model is had extends the state launched.

Figure 13 is the amplification view (being equivalent to the figure of Fig. 2) that the retractility lateral plate that the disposable diaper of the 8th embodiment of the present utility model is had extends the state launched.

Figure 14 is the amplification view (being equivalent to the figure of Fig. 2) that the retractility lateral plate that the disposable diaper of the 9th embodiment of the present utility model is had extends the state launched.

Detailed description of the invention

Below, to disposable diaper of the present utility model, based on its preferred first embodiment, be described with reference to Fig. 1 ~ Fig. 5.

As shown in Figure 1, the disposable diaper 1A of the first embodiment is (following, also referred to as " diaper 1A ") there is the absorbent main body 2 of lengthwise, the absorbent main body 2 of this lengthwise comprises the absorber 23 of liquid retainability, the back sheet 22 of the positive dough sheet 21 being configured in the skin opposite face side of absorber 23 and the non-skin opposite face side being configured in absorber 23, be divided into the veutro portion A of the veutro being positioned at wearer when wearing, at drosal part B and the crotch C that is configured between veutro portion A and drosal part B of dorsal part, and it is longer on absorbent main body length direction (Y-direction), disposable diaper of the present utility model is separately installed with the retractility lateral plate extended to width (X-direction) outside in the both sides of the length direction (Y-direction) of absorbent main body, in diaper 1A, as shown in Figure 1, retractility lateral plate 3 is separately installed with at the both sides 2S of the drosal part B of absorbent main body 2.In addition, at diaper 1A, the pull stap 4 extended to width (X-direction) outside is installed at the lateral part 3S along absorbent main body length direction (Y-direction) of lateral plate 3.

As shown in Figure 1, diaper 1A is formed as symmetrical about centre line C L.Therefore, in the following description, for symmetrical part, be mainly described with regard to left side.

In addition, in this manual, so-called " skin opposite face " refers to the face being configured in the skin side of wearer in this two sides of front and back of each parts forming diaper 1A when wearing, and is the face identical with the face of " P " side in figure 3.In addition, so-called " non-skin opposite face " refers to the face forming side contrary towards the skin side with wearer when wearing in this two sides of front and back of each parts of diaper 1A, is the face identical with the face of " Q " side in figure 3.And, so-called " absorbent main body length direction " refers to the length direction that the absorbent main body of lengthwise is gone from drosal part ventralward portion, " Y " direction shown in each figure is the length direction (absorbent main body length direction) of the absorbent main body 2 of diaper 1A, for the direction parallel with centre line C L, " X " direction shown in each figure is the width (absorbent main body width) of the absorbent main body 2 of diaper 1A, is the direction vertical with centre line C L.Below, particularly diaper 1A is described.

As shown in Figure 1, absorbent main body 2 has rectangular shape longer in Y-direction, and comprises the absorber 23 of the difficult back sheet 22 of permeability (comprising water-repellancy) of the positive dough sheet 21 of liquid permeability, opaque liquid or liquid and the liquid retainability between two sheets 21,22.Positive dough sheet 21 and back sheet 22 are respectively as shown in Figure 1, cover whole of skin opposite face and whole of non-skin opposite face of absorber 23, extend out from the periphery of absorber 23, the part of extending, utilizes the welding of bonding agent or the heat sealings etc. such as hot melt and fixes.Positive dough sheet 21 is identical with the length of back sheet 22 in the Y direction, but is formed as shorter than back sheet 22 in the X direction.It is identical with absorbent main body 2 that back sheet 22 is formed as plan view shape.

In addition, at the both sides 2S along Y-direction of absorbent main body 2, sidepiece sheet 24 is configured with via positive dough sheet 21 respectively.Sidepiece sheet 24 arranges fixing in the skin opposite face side of positive dough sheet 21, in the whole region of the sidepiece 2S along Y-direction.Inner side (by the centre line C L) end of the X-direction of sidepiece sheet 24 becomes free end, near free end in crotch C, the elastomeric element 25 that three-dimensional gauffer is formed arranges fixing in the Y direction with elongation state, when wearing, utilize the contractility of above-mentioned elastomeric element 25, the part of distance free end Rack is left from positive dough sheet 21 and forms three-dimensional gauffer.

In addition, at the both sides 2S along Y-direction of absorbent main body 2, the sidepiece sheet 24 that the outside to X-direction is extended and back sheet 22 engage, thus form alar part.At diaper 1A, as shown in Figure 1, the alar part in crotch C, the elastomeric element 26 that leg creases is formed arranges fixing in the Y direction with elongation state, when wearing, utilize the contractility of above-mentioned elastomeric element 26 to form leg creases.

As mentioned above, at the both sides 2S of the drosal part B of absorbent main body 2, as shown in Figure 1, be separately installed with the retractility lateral plate 3 extended to width (X-direction) outside, and the pull stap 4 extended to width (X-direction) outside is installed at the lateral part 3S of this lateral plate 3.In diaper 1A, as shown in Figure 3, utilize various known method, the retractility lateral plate 3 in the X direction with retractility is fixed on the non-skin opposite face of the back sheet 22 being configured at sidepiece 2S in the mode extended outside X-direction from the lateral margin 2S1 of absorbent main body 2.In addition, in diaper 1A, lateral plate 3 is fixed on the non-skin opposite face of back sheet 22, but also can configure and be fixed between the sidepiece sheet 24 and back sheet 22 of sidepiece 2S configuration, in addition, also can be fixed on the skin opposite face of sidepiece sheet 24.

As shown in Figures 2 and 3, retractility lateral plate 3 two ora terminalis 3u, 3d of Y-direction when elongation state extend in parallel to each other, and comprise: 2 sheets 31,32; To be fixed between 2 sheets 31,32 and the many elastomeric elements 33 extended in X direction; Main body side bond layer 35, it is configured in the 33I side, end of absorbent main body 2 side (by centre line C L) of many elastomeric elements 33 and extends along Y-direction; Outside bond layer 36, it is configured in the 33O side, end of the lateral part 3S side of the lateral plate 3 of elastomeric element 33 and extends along Y-direction; With multiple middle bond layer 37, it to be configured between main body side bond layer 35 and outside bond layer 36 and to extend along Y-direction.In addition, in this manual, sheet 31,32 is equivalent to the sheet material of lateral plate.

In addition, when supposing that not there is similar outside of the present utility model bond layer 36 or main body side bond layer 35, when such as utilizing middle bond layer by the bonding agent of the end winding support of gum elastic or whole coated sheet or integrally applying with spiral pattern etc., there is following unfavorable condition: in the rubber covered wire of the stretchable sheet be stretched during wearing, the rubber covered wire of middle part easily comes off, but not rubber covered wire bottom easily comes off, and direct bottom, compressing is produced to lower limb.

Below, carry out in detail describing to lateral plate 3, as shown in Figure 2, the retractility lateral plate 3 in diaper 1A is formed as rectangular shape under the state of plane expansion.Therefore, the lateral plate 3 of diaper 1A is under the state of plane expansion, not only two ora terminalis 3u, 3d of Y-direction extend in parallel to each other, and also extend in parallel to each other along both side edges 3i, the 3o of Y-direction, thus the bearing of trend of the bearing of trend of ora terminalis 3u, 3d and both side edges 3i, 3o is with crossing at right angle.

In diaper 1A, as shown in Figure 1, in the mode that the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 is parallel with the absorbent main body length direction (Y-direction) of absorbent main body 2, be separately installed with retractility lateral plate 3 at the both sides 2S of the drosal part B of absorbent main body 2.

In addition, as shown in Figure 2, the skin lateral plate 31 being positioned at skin opposite face side forming retractility lateral plate 3 and the non-skin lateral plate 32 being positioned at non-skin opposite face side are all formed as under the state of plane expansion, and plan view shape is identical with retractility lateral plate 3.That is, skin lateral plate 31 and non-skin lateral plate 32 are formed as the rectangular shape of same shape formed objects in diaper 1A.Skin lateral plate 31 and non-skin lateral plate 32 are under the state of plane expansion, longer than the length of the elastomeric element 33 of elongation state.In addition, form the skin lateral plate 31 of retractility lateral plate 3 and non-skin lateral plate 32 in diaper 1A, be formed as the identical size of identical shape, but skin lateral plate 31 and non-skin lateral plate 32 size that also can be development length from the lateral margin 2S1 of absorbent main body 2 different.When using skin lateral plates 31 different to the development length of X-direction from lateral margin 2S1 and non-skin lateral plate 32 like this and form retractility lateral plate 3, formed by the skin lateral plate 31 of a slice or non-skin lateral plate 32 outside the X-direction of the lateral part 3S of retractility lateral plate 3.Therefore, the pliability of the lateral part 3S of retractility lateral plate 3 promotes.

Each elastomeric element 33 as shown in Figure 3, be configured between skin lateral plate 31 and non-skin lateral plate 32, and, as shown in Figure 2, under the state that the mode of intersecting with its prolonging direction and the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3 is extended obliquely relative to X-direction, configure across roughly equal interval in the Y direction.As shown in Figure 2, from retractility and the viewpoint such as conformable, attractive in appearance, there is no particular restriction for the lower limit of the intersecting angle θ 1 of the bearing of trend of ora terminalis 3u, 3d of the prolonging direction of elastomeric element 33 and the Y-direction of lateral plate 3, is preferably greater than 0 °, is more preferably more than 5 °, and, be preferably less than 30 °, be more preferably less than 20 °, specifically, be preferably greater than 0 ° and be less than 30 °, be more preferably more than 5 ° less than 20 °.From the view point of retractility and conformable, flexibility, elastomeric element 33 interval each other adjacent is in the Y direction preferably more than 3mm below 15mm.In addition, as mentioned above, in diaper 1A, the bearing of trend of lateral margin 3i, 3o along Y-direction of the lateral plate 3 of rectangular shape is parallel with the absorbent main body length direction (Y-direction) of absorbent main body 2, therefore, the prolonging direction of elastomeric element 33 also intersects with intersecting angle θ 1 with the width (X-direction) of absorbent main body 2.In addition, the lateral plate 3 on right side is with the lateral plate 3 in left side, and the incline direction of elastomeric element 33 is symmetrical about centre line C L.

The elastomeric element 33 being configured at the wire of retractility lateral plate 3 comprises the elastomeric element that its cross section is circular, square shape, polygonal shape etc.Promote from the view point of the flexibility of retractility lateral plate 3, guarantee retractility, elastomeric element 33 its width preferred (size of Y-direction) of wire or diameter are more than 0.1mm below 2mm, are more preferably more than 0.1mm below 1mm.In addition, the radical being configured at the elastomeric element 33 of the wire of retractility lateral plate 3 is preferably the degree of more than 2 less than 25, is more preferably more than 3 less than 20.In addition, percentage elongation suitably can be selected from previous known percentage elongation, stress when extending with percentage elongation 100% (naturalness is set to 0%) is 1 elastomeric element 33 of the wire of more than 0.1N below 1N, preferably arrange fixing with the state of extending in the scope of percentage elongation less than more than 50% 300%, more preferably with more than 100% less than 250% scope in the state of extending arrange fixing.In addition, percentage elongation is the ratio of length relative to natural length of the part increased because of elongation, and such as, when making the object of length 10cm be stretched to 20cm, then its percentage elongation is 100%.

The elastomeric element 33 of wire is fixed on the bond layer between skin lateral plate 31 and non-skin lateral plate 32, as shown in Figure 2, comprises main body side bond layer 35, outside bond layer 36 and middle bond layer 37.Middle bond layer 37 is in diaper 1A, and the region between main body side bond layer 35 and outside bond layer 36 is provided with many.Middle bond layer 37 be formed as its adhesive strength than main body side bond layer 35 and the respective adhesive strength of outside bond layer 36 weak.Be formed as than the adhesive strength of main body side bond layer 35 and the weak method of the adhesive strength of outside bond layer 36 as making the adhesive strength of middle bond layer 37, such as, can to make middle bond layer 37 width narrower and to make the mode of main body side bond layer 35 and outside bond layer 36 wider width change the coating method of bonding agent, or with the coating amount of middle bond layer 37, the less and mode that main body side bond layer 35 and outside bond layer 36 coating amount is more changes the coating amount of bonding agent and is formed.In addition, in diaper 1A, the width of middle bond layer 37 than main body side bond layer 35 and the respective width of outside bond layer 36 narrow, and the adhesive strength of middle bond layer 37 than the adhesive strength of main body side bond layer 35 and the adhesive strength of outside bond layer 36 weak.The width of middle bond layer 37 preferably wants narrow by more than 30%, more preferably narrow by more than 50% relative to main body side bond layer 35 and the respective width of outside bond layer 36.Main body side bond layer 35, outside bond layer 36 and middle bond layer 37 and most of elastomeric element 33 extend across in the Y direction, and the total length of Y-direction throughout retractility lateral plate 3.

Below record the assay method of adhesive strength, as long as but there is the relation of above-mentioned adhesive strength in the first embodiment, also can be other assay methods and be not particularly limited.

[determining bonding strength method]

To there is the retractility lateral plate 3 of each bond layer above-mentioned as mensuration sample, clamp the end along its length of 2 sheets 31,32 of the coincidence of this lateral plate 3 piecewise, utilize cupping machine (Orientec limited company manufactures RTC-1150) to stretch with draw speed 300mm/min, measure intensity when junction surface is peeled off.For main body side bond layer 35, the main body side end of clamping retractility lateral plate 3 measures, and for outside bond layer 36, the outboard end of clamping retractility lateral plate 3 measures.For middle bond layer 37, by main body side bond layer 35 part of retractility lateral plate 3 or outside bond layer 36 Partial Resection, the sheet 31,32 of clamping lateral plate 3 lateral plate 3 of unassembled part each other measures.

In addition, as long as have the relation of adhesive strength of the present utility model, then concrete adhesive strength is unrestricted, such as, adhesive strength in preferred middle bond layer 37 is the degree of more than 1N/25mm below 5N/25mm, and the adhesive strength in outside bond layer 36 and main body side bond layer 35 is more than 130% of middle bond layer 37, more preferably becomes more than 150%.

As shown in Figures 2 and 3, the elastomeric element 33 of the elongation state configured at intervals in the Y direction, by via main body side bond layer 35, outside bond layer 36 and middle bond layer 37, is fixed between 2 sheets 31,32 and is formed by lateral plate 3.Specifically, by the many elastomeric elements 33 of state that extend obliquely relative to X-direction via main body side bond layer 35, outside bond layer 36 and middle bond layer 37, separate roughly equal compartment of terrain in the Y direction and be fixed between skin lateral plate 31 and non-skin lateral plate 32.Retractility lateral plate 3 is formed by following manner: utilize various known method, to the bonding agent of either one or both coating in skin lateral plate 31 and non-skin lateral plate 32 as main body side bond layer 35, outside bond layer 36 and middle bond layer 37, and after coating, make these sheets 31,32 overlap and pressurize, fix the elastomeric element 33 of the wire of elongation state thus.In addition, retractility lateral plate 3 except bond layer 35,36,37 fixing except, also can combine the welding implementing heat sealing etc. and fix.

As shown in Figure 3, there is not the position of elastomeric element 33 in retractility lateral plate 3, skin lateral plate 31 and non-skin lateral plate 32 directly engaged via main body side bond layer 35, outside bond layer 36 and middle bond layer 37 each other.Therefore, between main body side bond layer 35 and the middle bond layer 37 being adjacent to this main body side bond layer 35, adjacent middle bond layer 37 each other, between outside bond layer 36 and the middle bond layer 37 being adjacent to bond layer 36 outside this, formation skin lateral plate 31 and the not engaged non-set out region 38 of non-skin lateral plate 32 respectively.Non-set out region 38, also in the same manner as bond layer 35,36,37, as shown in Figure 2, to intersect with many elastomeric elements 33 and throughout the extending in the Y direction endlong of Y-direction of lateral plate 3.

In the lateral plate 3 of diaper 1A, utilized by elastomeric element 33 main body side bond layer 35, outside bond layer 36 and middle bond layer 37 fixing under elongation state, and under the naturalness of this elastomeric element 33 contraction, as shown in Figure 3, form multiple pleat on the two sides of lateral plate 3.Each pleat extends to form in the Y direction in the mode of intersecting with many elastomeric elements 33.As shown in Figure 3, be formed at the pleat of lateral plate 3, between main body side bond layer 35 and outside bond layer 36, because of the contraction of elastomeric element 33,2 sheets 31,32 are given prominence to convex in each non-set out region 38 on the direction left from elastomeric element 33, and being formed as concavity at each middle bond layer 37 to elastomeric element 33, this pleat has concaveconvex shape thus.Even if such pleat also not exclusively disappears under the wearing state of diaper.

In the lateral plate 3 that such as upper type is formed, being at least configured in many elastomeric elements 33 is leaned in the elastomeric element 33c of crotch C side most, one end part in the both ends of elastomeric element 33c (the end 33O by outside the end 33I of centre line C L and X-direction) is between main body side bond layer 35 and outside bond layer 36, and the other end is positioned at main body side bond layer 35 or outside bond layer 36.Specifically, in diaper 1A, before the state being dressed in wearer at disposable diaper 1A completes, the position of one end part between main body side bond layer 35 and outside bond layer 36 in the both ends of elastomeric element 33c (the end 33O by outside the end 33I of centre line C L and X-direction).Herein, so-called " state that disposable diaper 1A is dressed in wearer complete before " not only to comprise after just taking out diaper 1A from the packing of product and diaper 1A use before state, also comprising to wear diaper 1A and stretchable fastener band 4, retractility lateral plate 3 being extended for the first time until state when wearing the wearing of diaper 1A.In diaper 1A, as shown in Figure 2, under the elongation state of retractility lateral plate 3, the end 33I by centre line C L in the both ends of elastomeric element 33c (the end 33O by outside the end 33I of centre line C L and X-direction) is between main body side bond layer 35 and outside bond layer 36.And the end 33O outside X-direction is positioned at outside bond layer 36.

In diaper 1A, the both ends of the most of elastomeric element in the many elastomeric elements 33 of the state of extending obliquely relative to X-direction (the end 33O by outside the end 33I of centre line C L and X-direction) crosses main body side bond layer 35 and outside bond layer 36 ground extends.In the both ends (the end 33O by outside the end 33I of centre line C L and X-direction) of elastomeric element 33 of crossing main body side bond layer 35 and outside bond layer 36, not there is contractility, and become cannot retracted position.

In addition, in diaper 1A, the skin lateral plate 31 of retractility lateral plate 3 as shown in Figures 2 and 3, the extension 31S that the end 33O with the outside of the X-direction than elastomeric element 33 more extends outside X-direction, and the extension 32S that the end 33O that non-skin lateral plate 32 has the outside of the X-direction than elastomeric element 33 too more extends outside X-direction.

Extension 31S, 32S such as utilize various known method to be fixed by heat sealing embossing each other.When using bonding agent, considering oozing out or whole stickup of end, preferably only carrying out heat sealing embossing.Also at whole or can fix by pressurizeing after adhesive-applying with being interrupted (intermittent).From the view point of the lateral part 3S not easily turnup of retractility lateral plate 3 when using, extension 31S, 32S each other fixing also can and fixing with bonding agent.

Pull stap 4 as shown in Figure 3, in diaper 1A, is only engaged in the non-skin opposite face (face of Q side) of lateral plate 3 via engaging zones 6.Specifically, in diaper 1A, as shown in Figure 3, the inner side (by centre line C L) of the X-direction of pull stap 4 is only arranged on the extension 32S outside the X-direction in the non-skin lateral plate 32 forming retractility lateral plate 3, and is only arranged on the non-skin opposite face (face of Q side) of extension 32S.Pull stap 4 is in diaper 1A, and as shown in Figure 2, bias is installed in the end 3u ground of the drosal part B side of the Y-direction of (partially leaning on) retractility lateral plate 3.In addition, in diaper 1A, pull stap 4 is only arranged on the non-skin opposite face of lateral plate 3, but also only can be arranged on the skin opposite face of lateral plate 3, also can be arranged on non-skin opposite face and this two sides of skin opposite face of lateral plate 3.

Carry out in detail describing to the pull stap 4 of the lateral part 3S being arranged on retractility lateral plate 3, pull stap 4 comprises: band substrate sheets 41; With the outside of the X-direction in band substrate sheets 41, there is the card hook part 42 of multiple engaging protrusion.Pull stap 4 is folded before use, in use, uses after launching as shown in Figure 3.The pull stap 4 of diaper 1A as shown in Figure 2 in the deployed state, for having the roughly trapezoidal shape of upper base in the outside of X-direction.The outside that pull stap 4 passes through the X-direction of the band substrate sheets 41 formed comparably at the plan view shape with pull stap 4 is fixed card hook part 42 and is formed.In addition, as shown in Figure 1, at the outer surface of the veutro portion A of diaper 1A, be provided with make card hook part 42 snapping of pull stap 4 take sheet 5.

At engageable fastener band 4 engaging zones 6 with lateral plate 3, as shown in Figure 2, in diaper 1A, formed via utilizing bonding agent 62 and multiple weld portion 61 formed by heat sealing or ultrasonic sealing function and engaging.As shown in Figure 2, have the weld portion group 61G of the weld portion 61 being arranged with multiple little shape along Y-direction regularly, weld portion group 61G is arranged with multiple engaging zones 6 in the X direction.From the view point of adhesive strength, engaging zones 6 is preferably the scope of less than more than 10% 50% relative to the gross area of the retractility lateral plate 3 when overlooking the retractility lateral plate 3 of naturalness, is more preferably the scope of less than more than 10% 40%.

There is no particular restriction for the shape of weld portion 61, except the ellipse of the lengthwise as diaper 1A, such as, also can be the arbitrary shape such as circle, rhombus, triangle, polygon.From the view point of avoiding not undermining wearing feeling and promoting adhesive strength, the involution pattern area of 1 weld portion 61 is preferably 2mm ²above 30mm ²below, 2mm is more preferably ²above 20mm ²below.Based on identical viewpoint, weld portion 61 interval each other adjacent in Y-direction is preferably more than 1mm below 8mm, is more preferably below 6mm.Based on identical viewpoint, most closely adjacent weld portion 61 interval is each other preferably more than 1mm below 8mm, is more preferably below 6mm.In addition, based on identical viewpoint, the configuration number of weld portion 61 is preferably 1/cm ²above 16/cm ²below, 2/cm is more preferably ²above 10/cm ²below.And then based on identical viewpoint, total involution pattern area of multiple weld portion 61 is preferably less than more than 10% 70% relative to the ratio of the area of engaging zones 6, is more preferably less than more than 10% 50%.

In diaper 1A, as shown in Figures 2 and 3, major part in many elastomeric elements 33 is, the end 33O of the lateral part 3S side of lateral plate 3 is leaning on the position outside X-direction than outside bond layer 36, the weld portion 61 formed through involution is fixed on the sheet 31,32 forming lateral plate 3.In addition, in diaper 1A, as shown in Figure 2, the end 33O of many elastomeric elements 33 is leaning on the position outside X-direction than outside bond layer 36, the sheet 31,32 forming lateral plate 3 is fixed on by involution, but also as shown in Figure 4, can be fixed on outside bond layer 36 sheet 31,32 forming lateral plate 3 overlappingly by involution.

When wearing diaper 1A, as shown in Figure 5, pull stap 4 being launched, stretching pull stap 4 with pulling, under the state making lateral plate 3 extend, card hook part 42 Pressing fastener of this pull stap 4 is connected on and takes on sheet 5.

The constituent material of diaper 1A is described.

As the positive dough sheet 21, back sheet 22, the absorber 23 that form absorbent main body 2, the material used in the absorbent commodity such as disposable diaper, sanitary napkin in prior art can be used respectively with no particular limitation.Such as, as positive dough sheet 21, hydrophilic can be used and the non-woven fabrics of liquid permeability or three-dimensional apertured film etc.As back sheet 22, film or the non-woven fabrics (such as spunbond-melt blown-spunbond non-woven fabrics, hot-wind nonwoven cloth, spun-bonded non-woven fabrics, spun-laced nonwoven fabric, tailor's cushion non-woven fabrics etc.) of opaque liquid or the difficult permeability of liquid can be used.Or, also can use the composite sheet of their laminations.In addition, as absorber 23, the aggregation (also can be non-woven fabrics) utilizing and comprise the fiber such as the thin paper of water penetration, the coated paper pulp fiber of clad sheet of non-woven fabrics or the granule maintaining water absorbent polymer wherein can be used and the structure of absorbent core that formed.As the sidepiece sheet 24 forming stereo enclosure, film, non-woven fabrics, fabric or their laminated sheet etc. can be used.

As forming the skin lateral plate 31 of retractility lateral plate 3 and non-skin lateral plate 32, various that use in the absorbent commodity such as disposable diaper, sanitary napkin in prior art can be used with no particular limitation.

Such as, as skin lateral plate 31, non-skin lateral plate 32, non-woven fabrics, fabric, film or their laminated sheet etc. can be used.

As the elastomeric element 33 of wire, elastomeric element 25, the leg elastic members 26 of formation stereo enclosure that form retractility lateral plate 3, the wire of polyethylene-alphaolefin copolymers such as comprising natural rubber, polyurethane (polyurethane), polystyrene-poly isoprene copolymer, polystyrene-polybutadiene copolymer, ethyl acrylate-ethylene etc. or the elastomeric element of rope form can be used.From viewpoints such as the simplification of manufacturing cost, manufacturing process, the many elastomeric elements 33 being configured at retractility lateral plate 3 are preferably same elastomeric parts and configure with identical percentage elongation.

To form the main body side bond layer 35 of retractility lateral plate 3, the bonding agent of outside bond layer 36 and middle bond layer 37 is main, as the bonding agent 62 of pull stap 4 and the engaging zones of lateral plate 3 or the preferred material of bonding agent for engaging between each parts, enumerate amorphous polyolefins, vinyl-vinyl acetate copolymer (EVA, ethylenevinylacetate), vinyl-acrylate copolymer (EEA, ethylene-ethylacrylatecopolymer), styrene butadiene styrene block copolymer (SBS) (SBS, StyreneButadieneStyreneBlockCopolymer), styrene isoprene styrene block copolymer (SIS) (SIS, StyreneIsopreneStyreneBlockCopolymer), styrene-ethylene/butylene-styrene block copolymer (SEBS, StyreneEthyleneButyleneStyreneBlockCopolymer), styrene-ethylene/propylene-styrene block copolymer (SEPS, thermoplastic polymer and their mixture etc. such as StyreneEthylenePropyleneStyreneBlockCopolymer).Bonding agent is preferably heat molten type.

In addition, the application pattern forming the bonding agent of each bond layer 35,36,37 etc. preferably uses spray gun, coating rifle etc. as adhesive applicating machine, carry out the coating of whole of what is called, also pearl rifle, spiral spray gun, Ω shape spray gun, transfer roll etc. can be used as adhesive applicating machine, carry out the pattern coating of linearity, helical form, Ω shape, point-like etc.

About the card hook part 42 and the band substrate sheets 41 that form pull stap 4, as long as the material for being usually used in the absorbent commodities such as disposable diaper, then can use with no particular limitation.Such as, as card hook part 42, the hook face component (sunny side parts) etc. in " MagicTape (registered trade mark) " (manufacture of Kuraray company), " QUICKLON (registered trade mark) " (manufacture of YKK company), " Magicloth (registered trade mark) " (manufacture of KaneboBell-Touch company) etc. can be used.As band substrate sheets 41, the synthetic resin of polyethylene, polypropylene, polyethylene terephthalate etc. can be used, and comprise the sheet of composite of these synthetic resin of more than two kinds or non-woven fabrics etc.

The manufacture method of the retractility lateral plate 3 that disposable diaper of the present utility model comprises is without any restrictions, can be manufactured by any means.

About the preference of the manufacture method of the lateral plate in disposable diaper, the situation enumerating the retractility lateral plate 3 manufactured in diaper 1A is that example is described.

With reference to Fig. 6, be described an example of the preferable production process of retractility lateral plate 3, the manufacturing installation 7 of the telescopic sheet shown in Fig. 6 comprises: a pair long tectosome 71,71 of line conveying separating predetermined distance ground configured in parallel; Elastomer winding mechanism 72, elastomeric element is wound on a pair this line conveying with on long tectosome by it, makes the direction of this elastomeric element become the direction of carrying the length direction with long tectosome (in figure R direction) to intersect with this line; With integrated mechanism 73, it will be reeled by this elastomer winding mechanism 72 and is carried this elastomeric element 33 carried with long tectosome by this line, be clipped in a pair banded integrated between sheet 31', 32'.Preferably endless belt is used with long tectosome 71 as line conveying, this endless belt have movement in the directionr direct motion part and with R side in the opposite direction on the loopback part of movement, only direct motion part engages with elastomeric element 33, carries this elastomeric element 33 in the directionr.Endless belt is set up in belt pulley, gear, makes above-mentioned belt pulley or gear rotary actuation.In addition, as the conveying of each line with long tectosome 71, also only can use an endless belt as above, but preferably as shown in Figure 6, as the conveying of each line with long tectosome 71, use the structure being configured with above-mentioned endless belt up and down two-layerly.By arranging speed difference at upper and lower interband, direction into jagged elastomeric element 33 can be overlooked with time on long tectosome 71,71 by being just wound in the conveying of a pair line, be modified to multiple elastomeric element 33 state of tilting of parallel shape spaced apart in the directionr, or the state of multiple elastomeric element 33 parallel shape orientation spaced apart in the directionr, with this state be fixed on a pair banded between sheet 31', 32'.As line conveying with long tectosome 71, also can be on side face helical form be provided with groove or raised line round clava and around the structure of central axis rotary actuation.

In the preferred manufacture method of lateral plate 3, as shown in Figure 6, known adhesive applicating machine 76 can be utilized the bonding agent 34 for the formation of main body side bond layer 35, outside bond layer 36 and middle fixed part 37, respectively zonally continuously coating in the banded sheet 31' of the blank as sheet 31.In addition, bonding agent 34 also can continuously coating in banded sheet 32'.

Then, make after adhesive applicating two banded sheet 31', 32', with multiple parallel shape the mode that is clipped between the two of the elastomeric element 33 of elongation state that tilts collaborate, utilize a pair nip rolls 74 as integrated mechanism 73, integrated to their pressurizations from above-below direction.Then, utilize and there is the shut-off mechanisms 77 such as the sickle of cutting edge, the elastomeric element 33 extended to side is cut off, obtain the telescopic sheet 3' of the elastomeric element 33 with the elongation state that multiple parallel shape tilts thus.

Arbitrary shut-off mechanism is utilized to be cut off successively by the telescopic sheet 3' obtained and become the length of single lateral plate 3.Like this, can continuous seepage retractility lateral plate 3 expeditiously.

Diaper 1A can use the continuum (telescopic sheet 3') of above-mentioned lateral plate 3, such as, manufacture in mode as follows.

Specifically, such as, the continuum (telescopic sheet 3') of above-mentioned lateral plate 3 can be used, manufacture diaper 1A efficiently according to the order of following (1) ~ (9).

(1) the continuous net cloth being coated with bonding agent 62 on the continuous screen cloth (net) of pull stap 4 with engaging portion 41 is cut into successively the length of single pull stap 4, is installed on the telescopic sheet 3' obtained in the above-described manner at intervals.(2) pull stap 4 is turned back, be temporarily fixed on stretchable sheet 3'.(3) stretchable sheet 3' is cut into successively the length of single lateral plate 3.(4) are turned back in the both sides of serialgram in a further step, to obtain sidepiece sheet 24.Utilize bonding agent elastomeric element 25 to be fixed on the top of turning back of the side after turning back with elongation state, utilize bonding agent elastomeric element 26 to be fixed on the top of turning back of the opposing party with elongation state.(5) in other operation, the sidepiece sheet 24 obtained and positive dough sheet 21 are fixed by heat sealing etc. and formed top layer sheet continuum.(6) in other operation, make resin molding integrated via bond layer with outer non-woven fabrics, form back sheet 22 continuum.(7) to the sidepiece adhesive-applying continuously in the outside in back sheet 22, via this bonding agent, the lateral plate 3 being provided with pull stap 4 is fixed on back sheet continuum.(8) be provided with between the back sheet continuum of lateral plate 3 and top layer sheet continuum, the direction that flow process is advanced configuring absorber 23 at intervals, and to fix via bonding agent and integrated, the continuum of formation diaper 1A.(9) continuum of diaper 1A is cut into each product, manufactures diaper 1A continuously.

About the manufacture method of disposable diaper, except using the lateral plate 3 that obtains in the above-described manner, also can manufacture disposable diaper according to known method all the time.

Then, action effect when using the diaper 1A of above-mentioned embodiment of the present utility model is described.

As shown in Figures 2 and 3, retractility lateral plate 3 is the simple shape that two ora terminalis 3u, 3d of absorbent main body length direction (Y-direction) under elongation state extend in parallel to each other to diaper 1A.Like this, loss less shape is pruned when the lateral plate 3 of diaper 1A becomes manufacture.In addition, diaper 1A as shown in Figure 2, with regard to the elastomeric element 33c that being at least configured in the many elastomeric elements 33 forming lateral plate 3 leans on the position of crotch C side most, an end 33I in both ends 33I, 33O of this elastomeric element 33c is between main body side bond layer 35 and outside bond layer 36, and the other end 33O is positioned at outside bond layer 36.Therefore, the contractility of the elastomeric element 33c of crotch C side that leans on most as lowest end dies down.An end 33I in the elastomeric element 33c of above-mentioned lowest end is fixed with the bond strength more weak than the other end 33O, therefore, when being subject to stronger stretching, at one end portion 33I, elastomeric element (rubber covered wire) easily comes off, therefore, not easily due in the wearing process of diaper 1A (with reference to Fig. 5) easily enclose place at lower limb and leave degree of tightness and strangle enclosing place by the elastomeric element 33c of crotch C side at lower limb and leaving degree of tightness and strangle trace of trace, use sense promotes.Above-mentioned the other end 33O is positioned at outside bond layer 36, thus when dress time stretchable fastener band 4 time, the elastomeric element being positioned at the other end 33O is also stretched, when producing stronger tensile force, at above-mentioned the other end 33O, elastomeric element easily comes off, especially, the position intersected with absorbent main body 2 in retractility lateral plate 3 lower end is close to right angle, be easily absorbed in the fixed part that above-mentioned position that lower limb encloses the skin at place does not have elastomeric element, the compressing etc. to lower limb can be alleviated further, so preferably.In addition, as long as before disposable diaper 1 completes to the wearing effect of wearer, one end part in both ends 33I, 33O of elastomeric element 33c is between main body side bond layer 35 and outside bond layer 36, and the other end is positioned at main body side bond layer 35 or outside bond layer 36, just can play above-mentioned effect.Usually, until consumer uses from production, the stretching causing elastomeric element 33 to come off can not be there is, and just start when wearing above-mentioned stretching occurs.

In addition, in diaper 1A, as shown in Figures 2 and 3, in the retractility lateral plate 3 of elongation state, with regard to the elastomeric element 33c that being at least configured in the many elastomeric elements 33 forming lateral plate 3 leans on the position of crotch C side most, its prolonging direction intersects with intersecting angle θ 1 with the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3.Therefore, due to the action in the wearing process of disposable diaper 1A, easily move between main body side bond layer 35 and outside bond layer 36 by the end 33I in both ends 33I, 33O of the elastomeric element 33c of crotch C side, thus above-mentioned effect can be played.

In addition, diaper 1A is different from the diaper 1B ~ 1I of the following second ~ nine embodiment, as shown in Figure 2, in the retractility lateral plate 3 of elongation state, the many elastomeric elements 33 forming lateral plate 3 separate roughly equal interval in the Y direction with the elastomeric element 33c being configured in crotch C side with the bearing of trend of ora terminalis 3u, 3d of the Y-direction of intersecting angle θ 1 and lateral plate 3 across, fix substantially in parallel, thus become the configuration of the elastomeric element 33 further lower limb being enclosed to place's applying contractility.Therefore, when stretchable fastener band 4 is worn, the lower limb that can play laminating wearer further encloses, and not easily offsets the effect of whereabouts.In the design of diaper 1A as above, play above-mentioned effect and become even more important.

In addition, as shown in Figure 3, the end 33O of many elastomeric elements 33 to be positioned at than outside bond layer 36 by the position outside X-direction diaper 1A, is fixed on the sheet 31,32 forming lateral plate 3 by involution.Therefore, just be configured in by with regard to the elastomeric element 33 beyond the elastomeric element 33c of crotch C side, in order to wear diaper 1A and stretchable fastener band 4, when retractility lateral plate 3 is extended for the first time, the elastomeric element 33 fixing by involution is stretched, an end 33I in both ends 33I, 33O of this elastomeric element 33 easily moves between main body side bond layer 35 and outside bond layer 36, plays above-mentioned effect further.

Then, be described with reference to the disposable diaper of Fig. 7 ~ Figure 14 to the second ~ nine embodiment of the present utility model.About the diaper 1B ~ 1I of the second ~ nine embodiment, mainly different to the diaper 1A from the first embodiment aspects is described, and marks identical Reference numeral and omit the description identical aspect.For the aspect do not mentioned especially, suitably application is about the explanation of the diaper 1A of the first embodiment.

In the diaper 1B of the second embodiment, as shown in Figure 7, in the same manner as diaper 1A, retractility lateral plate 3 is formed as rectangular shape under the state of plane expansion, not only two ora terminalis 3u, 3d of Y-direction extend in parallel to each other, both side edges 3i, 3o along Y-direction also extend in parallel to each other, and the bearing of trend crossing at right angle of the bearing of trend of ora terminalis 3u, 3d and both side edges 3i, 3o.In addition, in diaper 1B, in the same manner as diaper 1A, in the mode that the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 is parallel with the absorbent main body length direction (Y-direction) of absorbent main body 2, be separately installed with retractility lateral plate 3 at the both sides 2S of the drosal part B of absorbent main body 2.

In the diaper 1B of the second embodiment, as shown in Figure 7, each elastomeric element 33 extends relative to X-direction obliquely with its prolonging direction and the mode that the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3 intersects with intersecting angle θ 2, separates roughly equal interval in the Y direction and configure with this state.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 2 is preferably more than 150 °, be more preferably more than 160 °, and, be preferably lower than 180 °, be more preferably less than 175 °, specifically, be preferably more than 150 ° and lower than 180 °, be more preferably more than 160 ° less than 175 °.In addition, as mentioned above, in diaper 1B, the bearing of trend of lateral margin 3i, 3o along Y-direction of the lateral plate 3 of rectangular shape is parallel with the absorbent main body length direction (Y-direction) of absorbent main body 2, therefore, the prolonging direction of elastomeric element 33 also intersects with intersecting angle θ 2 with the width (X-direction) of absorbent main body 2.

In the lateral plate 3 of the diaper 1B formed in the above described manner, as shown in Figure 7, under the elongation state of retractility lateral plate 3, be configured in by the end 33O in the outside in the both ends (the end 33O by outside the end 33I of centre line C L and X-direction) of the elastomeric element 33c of the position of crotch C side, between main body side bond layer 35 and outside bond layer 36, and the end 33I by centre line C L is positioned at main body side bond layer 35.

The retractility lateral plate 3 of diaper 1B can by change in the manufacture method of the lateral plate 3 of above-mentioned diaper 1A up and down with speed difference and manufacturing obtain.

Action effect when using above-mentioned diaper 1B is described.

About the effect of diaper 1B, the aspect different from the effect of diaper 1A is described.Not specified aspect is identical with the effect of diaper 1A, suitably can apply the explanation of the effect of diaper 1A.

Diaper 1B, in the retractility lateral plate 3 of elongation state, as shown in Figure 7, becomes the configuration of the elastomeric element 33 further waist end side being applied to contractility.Therefore, become when stretchable fastener band 4 is worn, fit in the side, back of wearer further, not easily vacate the design in gap, thus prevent the effect promoting that Excreta is leaked from back.

In the diaper 1C of the 3rd embodiment, as shown in Figure 8, in the same manner as diaper 1A, retractility lateral plate 3 is formed as rectangular shape under the state of plane expansion, not only two ora terminalis 3u, 3d of Y-direction extend in parallel to each other, and also extending in parallel to each other along both side edges 3i, the 3o of Y-direction, and the bearing of trend crossing at right angle of the bearing of trend of ora terminalis 3u, 3d and both side edges 3i, 3o.In addition, in diaper 1C, in the same manner as diaper 1A, in the mode that the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 is parallel with the absorbent main body length direction (Y-direction) of absorbent main body 2, be separately installed with retractility lateral plate 3 at the both sides 2S of the drosal part B of absorbent main body 2.

In the diaper 1C of the 3rd embodiment, as shown in Figure 8, with regard to forming the elastomeric element 33 of retractility lateral plate 3, the prolonging direction of a part of elastomeric element 33A in many elastomeric elements 33 intersects with the prolonging direction of the elastomeric element 33B of the remainder in many elastomeric elements 33.Carry out in detail describing, the elastomeric element 33 of the formation lateral plate 3 of diaper 1C comprises the first elastomeric element 33A and the second elastomeric element 33B, tilt in the X direction in the mode that the prolonging direction of the first elastomeric element 33A and the prolonging direction of the second elastomeric element 33B intersect with intersecting angle θ 3, and alternately configure in the Y direction.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 3 is preferably more than 5 °, is more preferably more than 10 °, and, be preferably less than 30 °, be more preferably less than 20 °, specifically, be preferably more than 5 ° less than 30 °, be more preferably more than 10 ° less than 20 °.From the view point of retractility, conformable, flexibility, the first adjacent in the Y direction elastomeric element 33A interval is each other preferably more than 6mm below 30mm.The second adjacent in the Y direction elastomeric element 33B interval is each other identical with the first adjacent in the Y direction elastomeric element 33A interval each other.

In the lateral plate 3 of the diaper 1C formed in the above described manner, as shown in Figure 8, under the elongation state of retractility lateral plate 3, first elastomeric element 33A is configured in by the end 33I by centre line C L in the both ends (the end 33O by outside the end 33I of centre line C L and X-direction) of the elastomeric element 33c of the position of crotch C side, between main body side bond layer 35 and outside bond layer 36, and the end 33O outside X-direction is positioned at outside bond layer 36.

The retractility lateral plate 3 of diaper 1C can by change in the manufacture method of the lateral plate 3 of above-mentioned diaper 1A up and down with speed difference and manufacturing obtain.

Action effect when using above-mentioned diaper 1C is described.

About the effect of diaper 1C, the aspect different from the effect of diaper 1A is described.Not specified aspect is identical with the effect of diaper 1A, suitably can apply the explanation of the effect of diaper 1A.

In the diaper 1C of the 3rd embodiment, as shown in Figure 8, with regard to forming the elastomeric element 33 of retractility lateral plate 3, the prolonging direction of a part of elastomeric element 33A in many elastomeric elements 33 intersects with the prolonging direction of the elastomeric element 33B of the remainder in many elastomeric elements 33.Therefore, both places are enclosed to waist end side and lower limb and applies contractility, the motion of wearer or the change of build can be tackled neatly, conformable lifting.

In the diaper 1D of the 4th embodiment, as shown in Figure 9, in the same manner as diaper 1A, retractility lateral plate 3 is formed as rectangular shape under the state of plane expansion, not only two ora terminalis 3u, 3d of Y-direction extend in parallel to each other, both side edges 3i, 3o along Y-direction also extend in parallel to each other, and the bearing of trend crossing at right angle of the bearing of trend of ora terminalis 3u, 3d and both side edges 3i, 3o.In addition, in diaper 1D, in the same manner as diaper 1A, in the mode that the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 is parallel with the absorbent main body length direction (Y-direction) of absorbent main body 2, be separately installed with retractility lateral plate 3 at the both sides 2S of the drosal part B of absorbent main body 2.

In the diaper 1D of the 4th embodiment, as shown in Figure 9, with regard to forming the elastomeric element 33 of retractility lateral plate 3, the prolonging direction of a part of elastomeric element 33D in many elastomeric elements 33 intersects with the prolonging direction of the elastomeric element 33E of the remainder in many elastomeric elements 33.Carry out in detail describing, the elastomeric element 33 of the formation lateral plate 3 of diaper 1D comprises the 3rd elastomeric element 33D and the 4th elastomeric element 33E, with the middle section of the X-direction at lateral plate 3, the mode that 3rd elastomeric element 33D and the 4th elastomeric element 33E intersects with intersecting angle θ 4, tilt in the X direction, and alternately configure in the Y direction.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 4 is preferably more than 5 °, is more preferably more than 10 °, and be preferably less than 30 °, be more preferably less than 20 °, specifically, be preferably more than 5 ° less than 30 °, be more preferably more than 10 ° less than 20 °.From the view point of retractility, conformable, flexibility, the 3rd adjacent in the Y direction elastomeric element 33D interval is each other preferably more than 3mm below 15mm.The 4th adjacent in the Y direction elastomeric element 33E interval is each other identical with the 3rd adjacent in the Y direction elastomeric element 33D interval each other.

In the lateral plate 3 of the diaper 1D formed in the above described manner, as shown in Figure 9, under the elongation state of retractility lateral plate 3,3rd elastomeric element 33D is configured in by the end 33I by centre line C L in the both ends (the end 33O by outside the end 33I of centre line C L and X-direction) of the elastomeric element 33c of the position of crotch C side, between main body side bond layer 35 and outside bond layer 36, and the end 33O outside X-direction is positioned at outside bond layer 36.In addition, 4th elastomeric element 33E is configured in by the end 33O in the outside in the both ends (the end 33O by outside the end 33I of centre line C L and X-direction) of the elastomeric element 33c of the position of crotch C side, also between main body side bond layer 35 and outside bond layer 36, and main body side bond layer 35 is positioned at by the end 33I of centre line C L.

As shown in Figure 9, when elastomeric element 33D, 33E intersect, elastomeric element is bottom, the elastomeric element intersected with the lower ora terminalis of stretchable sheet 3 becomes bottom, when the elastomeric element from outside and 2 elastomeric elements from absorbent main body 2 side cross the lower ora terminalis of stretchable sheet 3, these 2 elastomeric elements are elastomeric element bottom.

The retractility lateral plate 3 of diaper 1D can by change in the manufacture method of the lateral plate 3 of above-mentioned diaper 1A up and down with speed difference and manufacturing obtain.

Action effect when using above-mentioned diaper 1D is described.

About the effect of diaper 1D, the aspect different from the effect of diaper 1A is described.Not specified aspect is identical with the effect of diaper 1A, suitably can apply the explanation of the effect of diaper 1A.

In the diaper 1D of the 4th embodiment, as shown in Figure 9, with regard to forming the elastomeric element 33 of retractility lateral plate 3, the prolonging direction of a part of elastomeric element 33D in many elastomeric elements 33 intersects with the prolonging direction of the elastomeric element 33E of the remainder in many elastomeric elements 33.Therefore, both places are enclosed to waist end side and lower limb and applies contractility, the motion of wearer or the change of build can be tackled neatly, thus conformable lifting.

In the diaper 1E of the 5th embodiment, as shown in Figure 10, retractility lateral plate 3 is under the elongation state of plane expansion, both side edges 3i, 3o along Y-direction extend in parallel to each other, and the bearing of trend of ora terminalis 3u, 3d of the bearing of trend of lateral margin 3i, 3o of lateral plate 3 and the Y-direction of lateral plate 3 is not with crossing at right angle.That is, the lateral plate 3 of diaper 1E as shown in Figure 10, is formed as parallelogram under elongation state.The bearing of trend of lateral margin 3i, 3o of lateral plate 3 intersects with intersecting angle θ 5 with the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 5 is preferably more than 60 °, is more preferably more than 70 °, and be preferably less than 85 °, be more preferably less than 80 °, specifically, be preferably more than 60 ° less than 85 °, be more preferably more than 70 ° less than 80 °.

In addition, in diaper 1E, in the same manner as diaper 1A, in the mode that the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 is parallel with the absorbent main body length direction (Y-direction) of absorbent main body 2, be separately installed with retractility lateral plate 3 at the both sides 2S of the drosal part B of absorbent main body 2.

In the diaper 1E of the 5th embodiment, as shown in Figure 10, each elastomeric element 33 extends relative to X-direction obliquely with its prolonging direction and the mode that the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3 intersects with intersecting angle θ 6, and separates roughly equal interval configuration in the Y direction with this state.From retractility, the viewpoint such as conformable, attractive in appearance, the lower limit of above-mentioned intersecting angle θ 6 is not particularly limited, be preferably greater than 0 °, be more preferably more than 5 °, and, be preferably less than 30 °, be more preferably less than 20 °, specifically, be preferably greater than 0 ° and be less than 30 °, be more preferably more than 5 ° less than 20 °.

In addition, as mentioned above, in diaper 1E, the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 is parallel with the absorbent main body length direction (Y-direction) of absorbent main body 2, but the prolonging direction of elastomeric element 33 intersects with intersecting angle θ 7 with the width (X-direction) of absorbent main body 2.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 7 is preferably more than-10 °, is more preferably more than-5 °, and, be preferably less than 10 °, be more preferably less than 5 °, specifically, be preferably more than-10 ° less than 10 °, be more preferably more than-5 ° less than 5 °.

In the lateral plate 3 of the diaper 1E formed in the above described manner, as shown in Figure 10, under the elongation state of retractility lateral plate 3, be configured in by the end 33I by centre line C L in the both ends (the end 33O by outside the end 33I of centre line C L and X-direction) of the elastomeric element 33c of the position of crotch C side, between main body side bond layer 35 and outside bond layer 36, and the end 33O outside X-direction is positioned at outside bond layer 36.

The retractility lateral plate 3 of diaper 1E can by by change in the manufacture method of the lateral plate 3 of above-mentioned diaper 1A up and down with speed difference and the telescopic sheet 3' that obtains, utilize arbitrary shut-off mechanism to cut off successively obliquely and manufacture and obtain.

Action effect when using above-mentioned diaper 1E is described.

About the effect of diaper 1E, the aspect different from the effect of diaper 1A is described.Not specified aspect is identical with the effect of diaper 1A, suitably can apply the explanation of the effect of diaper 1A.

In the diaper 1E of the 5th embodiment, as shown in Figure 10, retractility lateral plate 3 is under the elongation state of plane expansion, both side edges 3i, 3o along Y-direction extend in parallel to each other, and the bearing of trend of ora terminalis 3u, 3d of the bearing of trend of lateral margin 3i, 3o of lateral plate 3 and the Y-direction of lateral plate 3 is not with crossing at right angle.Therefore, lower limb encloses to be increased with the girth of waistline, especially the distance from the intersection point of the lateral margin 2S1 of the ora terminalis 3u of the Y-direction of lateral plate 3 and absorbent main body till pull stap 4 is larger, therefore particularly the girth of waistline increases, abdominal circumference of also not easily tying tight abdominal circumference variation is larger when the infant as the low monthly age.

In addition, in the diaper 1E of the 5th embodiment, as shown in Figure 10, being configured in elastomeric element 33 leans on the width (X-direction) of the prolonging direction of the elastomeric element 33c of crotch C side and absorbent main body 2 almost parallel most.Therefore, when stretchable fastener band 4 is worn, the telescopic direction of two lateral plates 3,3 is almost parallel, and along waistline direction, therefore, maximum contractility is applied to the position of caving in most of the waist of wearer, the conformable lifting of back portion, and the contractility of the elastomeric element 33c of crotch C side dies down, and therefore not easily encloses place at lower limb and leaves trace.

In the diaper 1F of the 6th embodiment, as shown in figure 11, retractility lateral plate 3 is under the elongation state of plane expansion, both side edges 3i, 3o along Y-direction extend in parallel to each other, and the bearing of trend of ora terminalis 3u, 3d of the bearing of trend of lateral margin 3i, 3o of lateral plate 3 and the Y-direction of lateral plate 3 is not with crossing at right angle.That is, the lateral plate 3 of diaper 1F as shown in figure 11, is formed as parallelogram under elongation state.The bearing of trend of lateral margin 3i, 3o of lateral plate 3 intersects with intersecting angle θ 8 with the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 8 is preferably more than 95 °, be more preferably more than 100 °, and, be preferably less than 120 °, be more preferably less than 110 °, specifically, be preferably more than 95 ° less than 120 °, be more preferably more than 100 ° less than 110 °.

In addition, in diaper 1F, in the same manner as diaper 1A, in the mode that the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 is parallel with the absorbent main body length direction (Y-direction) of absorbent main body 2, be separately installed with retractility lateral plate 3 at the both sides 2S of the drosal part B of absorbent main body 2.

In the diaper 1F of the 6th embodiment, as shown in figure 11, each elastomeric element 33 extends relative to X-direction obliquely with its prolonging direction and the mode that the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3 intersects with intersecting angle θ 9, and separates roughly equal interval in the Y direction with this state and configure.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 9 is preferably more than 150 °, be more preferably more than 160 °, and, be preferably lower than 180 °, be more preferably less than 175 °, specifically, be preferably more than 150 ° and lower than 180 °, be more preferably more than 160 ° less than 175 °.

In addition, as mentioned above, in diaper 1F, the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 is parallel with the absorbent main body length direction (Y-direction) of absorbent main body 2, but the prolonging direction of elastomeric element 33 intersects with intersecting angle θ 10 with the width (X-direction) of absorbent main body 2.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 10 is preferably more than 170 °, be more preferably more than 175 °, and, be preferably less than 190 °, be more preferably less than 185 °, specifically, be preferably more than 170 ° less than 190 °, be more preferably more than 175 ° less than 185 °.

In the lateral plate 3 of the diaper 1F formed in the above described manner, as shown in figure 11, under the elongation state of retractility lateral plate 3, be configured in by the end 33O in the outside in the both ends (the end 33O by outside the end 33I of centre line C L and X-direction) of the elastomeric element 33c of the position of crotch C side, between main body side bond layer 35 and outside bond layer 36, and be positioned at main body side bond layer 35 by the end 33I of centre line C L.

The retractility lateral plate 3 of diaper 1F can by by change in the manufacture method of the lateral plate 3 of above-mentioned diaper 1A up and down with speed difference and the telescopic sheet 3' that obtains, utilize arbitrary shut-off mechanism to cut off successively obliquely and manufacture and obtain.

Action effect when using above-mentioned diaper 1F is described.

About the effect of diaper 1F, the aspect different from the effect of diaper 1A is described.Not specified aspect is identical with the effect of diaper 1A, suitably can apply the explanation of the effect of diaper 1A.

In the diaper 1F of the 6th embodiment, as shown in figure 11, retractility lateral plate 3 is under the elongation state of plane expansion, both side edges 3i, 3o along Y-direction extend in parallel to each other, and the bearing of trend of ora terminalis 3u, 3d of the bearing of trend of lateral margin 3i, 3o of lateral plate 3 and the Y-direction of lateral plate 3 is not with crossing at right angle.Therefore, lower limb encloses to be increased with the girth of waistline, the distance of the distance especially from the intersection point of the lateral margin 2Si of the ora terminalis 3d of the Y-direction of lateral plate 3 and absorbent main body till pull stap 4 is larger, therefore the girth that particularly lower limb encloses increases, when the activity of the such lower limb of the child at image height monthly age comparatively enlivens, also not easily enclose place at lower limb and leave trace.

In addition, in the diaper 1F of the 6th embodiment, as shown in figure 11, being configured in elastomeric element 33 leans on the width (X-direction) of the prolonging direction of the elastomeric element 33c of the position of crotch C side and absorbent main body 2 almost parallel most.Therefore, when stretchable fastener band 4 is worn, the telescopic direction of two lateral plates 3,3 is almost parallel, and along waistline direction, therefore, maximum contractility is applied to the position of caving in the most of the waist of wearer, the conformable lifting of back portion, and the contractility of the elastomeric element 33c of crotch C side dies down, and therefore not easily encloses place at lower limb and leaves trace.

In the diaper 1G of the 7th embodiment, as shown in figure 12, retractility lateral plate 3 is under the elongation state of plane expansion, both side edges 3i, 3o along Y-direction extend in parallel to each other, and the bearing of trend of ora terminalis 3u, 3d of the bearing of trend of lateral margin 3i, 3o of lateral plate 3 and the Y-direction of lateral plate 3 is not with crossing at right angle.That is, the lateral plate 3 of diaper 1G as shown in figure 12, is formed as parallelogram under elongation state.The bearing of trend of lateral margin 3i, 3o of lateral plate 3 intersects with intersecting angle θ 11 with the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 11 is preferably more than 60 °, is more preferably more than 70 °, and, be preferably less than 85 °, be more preferably less than 80 °, specifically, be preferably more than 60 ° less than 85 °, be more preferably more than 70 ° less than 80 °.

In addition, in diaper 1G, the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 intersects with intersecting angle θ 12 with the absorbent main body length direction (Y-direction) of absorbent main body 2.From the view point of the zygosity of retractility, conformable, lateral plate, the lower limit of above-mentioned intersecting angle θ 12 is not particularly limited, be preferably greater than 0 °, be more preferably more than 5 °, and, be preferably less than 25 °, be more preferably less than 20 °, specifically, be preferably greater than 0 ° and be less than 25 °, be more preferably more than 5 ° less than 20 °.

In the diaper 1G of the 7th embodiment, as shown in figure 12, each elastomeric element 33 extends relative to X-direction obliquely with its prolonging direction and the mode that the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3 intersects with intersecting angle θ 13, and configures across roughly equal interval in the Y direction with this state.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 13 is preferably more than 5 °, is more preferably more than 10 °, and, be preferably less than 30 °, be more preferably less than 20 °, specifically, be preferably more than 5 ° less than 30 °, be more preferably more than 10 ° less than 20 °.

In addition, as mentioned above, in diaper 1G, the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 intersects with the absorbent main body length direction (Y-direction) of absorbent main body 2, but the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3 is parallel with the width (X-direction) of absorbent main body 2, therefore the prolonging direction of elastomeric element 33 intersects with intersecting angle θ 13 with the width (X-direction) of absorbent main body 2.

In the lateral plate 3 of the diaper 1G formed in the above described manner, as shown in figure 12, under the elongation state of retractility lateral plate 3, be configured in by the end 33I by centre line C L in the both ends (the end 33O by outside the end 33I of centre line C L and X-direction) of the elastomeric element 33c of the position of crotch C side, between main body side bond layer 35 and outside bond layer 36, and the end 33O outside X-direction is positioned at outside bond layer 36.

The retractility lateral plate 3 of diaper 1G can by by change in the manufacture method of the lateral plate 3 of above-mentioned diaper 1A up and down with speed difference and the telescopic sheet 3' that obtains, utilize arbitrary shut-off mechanism to cut off successively obliquely and manufacture and obtain.In addition, diaper 1G can by the manufacturing step (7) of diaper 1A, and the sidepiece and manufacturing via bonding agent lateral plate 3 being fixed on obliquely the outside in back sheet 22 obtains.

Action effect when using above-mentioned diaper 1G is described.

About the effect of diaper 1G, the aspect different from the effect of diaper 1A is described.Not specified aspect is identical with the effect of diaper 1A, suitably can apply the explanation of the effect of diaper 1A.

In the diaper 1G of the 7th embodiment, as shown in figure 12, retractility lateral plate 3 is under the elongation state of plane expansion, both side edges 3i, 3o along Y-direction extend in parallel to each other, and the bearing of trend of ora terminalis 3u, 3d of the bearing of trend of lateral margin 3i, 3o of lateral plate 3 and the Y-direction of lateral plate 3 is not with crossing at right angle.Therefore, the distance of pull stap 4 between crotch side and the lateral margin 2S1 of absorbent main body 2 becomes greatly, and the girth that therefore lower limb encloses increases, and when the activity of the such lower limb of the child at image height monthly age comparatively enlivens, also not easily encloses place at lower limb and leaves trace.

In addition, in the diaper 1G of the 7th embodiment, as shown in figure 12, the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 intersects with intersecting angle θ 12 with the absorbent main body length direction (Y-direction) of absorbent main body 2.Therefore, in the retractility lateral plate 3 of elongation state, become and further the configuration that place applies the elastomeric element of contractility is enclosed to lower limb, thus can prevent from enclosing leakage from lower limb.

In the diaper 1H of the 8th embodiment, as shown in figure 13, retractility lateral plate 3 is under the elongation state of plane expansion, rectangular shape is formed as in the same manner as diaper 1A, not only two ora terminalis 3u, 3d of Y-direction extend in parallel to each other, and also extending in parallel to each other along both side edges 3i, the 3o of Y-direction, and the bearing of trend crossing at right angle of the bearing of trend of ora terminalis 3u, 3d and both side edges 3i, 3o.

In addition, in diaper 1H, the bearing of trend of lateral margin 3i, 3o along Y-direction of the lateral plate 3 of rectangular shape intersects with intersecting angle θ 14 with the absorbent main body length direction (Y-direction) of absorbent main body 2.From the view point of the zygosity of retractility, conformable, lateral plate, above-mentioned intersecting angle θ 14 is preferably more than 5 °, be more preferably more than 10 °, and, be preferably less than 20 °, be more preferably less than 15 °, specifically, be preferably more than 5 ° less than 20 °, be more preferably more than 10 ° less than 15 °.

In diaper 1H, as shown in figure 13, each elastomeric element 33 extends relative to X-direction obliquely with its prolonging direction and the mode that the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3 intersects with intersecting angle θ 15, and configures across roughly equal interval in the Y direction with this state.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 15 is preferably more than 150 °, be more preferably more than 160 °, and, be preferably lower than 180 °, be more preferably less than 175 °, specifically, be preferably more than 150 ° and lower than 180 °, be more preferably more than 160 ° less than 175 °.

In addition, in diaper 1H, as shown in figure 13, the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 intersects with intersecting angle θ 14 with the absorbent main body length direction (Y-direction) of absorbent main body 2, and the prolonging direction of elastomeric element 33 intersects with intersecting angle θ 16 with the width (X-direction) of absorbent main body 2.From retractility, the viewpoint such as conformable, attractive in appearance, above-mentioned intersecting angle θ 16 is preferably more than-10 °, is more preferably more than-5 °, and, be preferably less than 10 °, be more preferably less than 5 °, specifically, be preferably more than-10 ° less than 10 °, be more preferably more than-5 ° less than 5 °.

In the lateral plate 3 of the diaper 1H formed in the above described manner, as shown in figure 13, under the elongation state of retractility lateral plate 3, be configured in by the end 33O in the outside in the both ends (the end 33O by outside the end 33I of centre line C L and X-direction) of the elastomeric element 33c of the position of crotch C side, between main body side bond layer 35 and outside bond layer 36, and the end 33I by centre line C L is positioned at main body side bond layer 35.

The retractility lateral plate 3 of diaper 1H can by change in the manufacture method of the lateral plate 3 of above-mentioned diaper 1A up and down with speed difference and manufacturing obtain.In addition, diaper 1H can by the manufacturing step (7) of diaper 1A, and the sidepiece and manufacturing via bonding agent lateral plate 3 being fixed on obliquely the outside in back sheet 22 obtains.

Action effect when using above-mentioned diaper 1H is described.

About the effect of diaper 1H, the aspect different from the effect of diaper 1A is described.Not specified aspect is identical with the effect of diaper 1A, suitably can apply the explanation of the effect of diaper 1A.

In the diaper 1H of the 8th embodiment, as shown in figure 13, the bearing of trend of lateral margin 3i, 3o along Y-direction of lateral plate 3 intersects with intersecting angle θ 14 with the absorbent main body length direction (Y-direction) of absorbent main body 2.Therefore, the distance of pull stap 4 between crotch side and the lateral margin 2S1 of absorbent main body 2 becomes greatly, and therefore, the girth that lower limb encloses increases, and when the activity of the such lower limb of the child at image height monthly age comparatively enlivens, also not easily encloses place at lower limb and leaves trace.

In addition, in the diaper 1H of the 8th embodiment, as shown in figure 13, being configured in elastomeric element 33 leans on the width (X-direction) of the prolonging direction of the elastomeric element 33c of the position of crotch C side and absorbent main body 2 almost parallel most.Therefore, when stretchable fastener band 4 is worn, the telescopic direction of two lateral plates 3,3 is almost parallel, and along waistline direction, therefore, maximum contractility is applied to the position of caving in the most of the waist of wearer, thus the conformable lifting of back portion, and the contractility of the elastomeric element 33c of crotch C side dies down, and therefore not easily encloses place at lower limb and leaves trace.

Absorbent commodity of the present utility model by any restriction of the diaper 1A ~ 1H of above-mentioned first ~ eight embodiment, can suitably not change.In addition, each element in the diaper 1A ~ 1H of above-mentioned first ~ eight embodiment can be implemented in the scope not undermining purport of the present utility model appropriately combinedly.

Such as, in the diaper 1A ~ 1H of above-mentioned first ~ eight embodiment, as shown in Fig. 2, Fig. 4, Fig. 7 ~ Figure 13, the whole prolonging direction of many elastomeric elements 33 intersects with the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3, but also can the diaper 1I of the 9th embodiment as shown in figure 14 such, the prolonging direction forming the many elastomeric elements 33 of lateral plate 3 not all is parallel with the bearing of trend of ora terminalis 3u, 3d of the Y-direction of lateral plate 3.In addition, in the diaper 1I of the 9th embodiment, be configured in by the end 33I by centre line C L in the both ends (the end 33O by outside the end 33I of centre line C L and X-direction) of the elastomeric element 33c of the position of crotch C side, between main body side bond layer 35 and outside bond layer 36, and the end 33O outside X-direction is positioned at outside bond layer 36.

In addition, in the diaper 1A ~ 1I of above-mentioned first ~ nine embodiment, as shown in Fig. 2, Fig. 4, Fig. 7 ~ Figure 14, retractility lateral plate 3 is under the elongation state of plane expansion, not only two ora terminalis 3u, 3d of Y-direction extend in parallel to each other, and also extend in parallel to each other along both side edges 3i, the 3o of Y-direction, as long as but only two ora terminalis 3u, 3d of Y-direction extend in parallel to each other.

About above-mentioned embodiment, further illustrate following disposable diaper.

＜1＞

A kind of disposable diaper, it has the absorbent main body of lengthwise, the absorbent main body of this lengthwise comprise liquid retainability absorber, be configured in the positive dough sheet of the skin opposite face side of this absorber and be configured in the back sheet of non-skin opposite face side of this absorber, and to be divided into when wearing in the veutro portion of the veutro of wearer, in the drosal part of dorsal part and the crotch that is configured between this veutro portion and this drosal part

Be separately installed with the retractility lateral plate extended outside width in the both sides of the length direction of above-mentioned absorbent main body, and at the lateral part along absorbent main body length direction of this lateral plate, the pull stap extended outside width be installed,

Above-mentioned lateral plate is under elongation state, and two ora terminalis of absorbent main body length direction extend in parallel to each other, and comprise: 2 lateral plate sheet materials; Be fixed between these 2 lateral plate sheet materials, and the many elastomeric elements extended in the width direction; Main body side bond layer, it is configured in the end side of the above-mentioned absorbent main body side of these many elastomeric elements, and extends along absorbent main body length direction; Outside bond layer, it is configured in the end side of the lateral part side of the above-mentioned lateral plate of this elastomeric element, and extends along absorbent main body length direction; With multiple middle bond layer, it is configured in this main body side bond layer and outside this between bond layer, and extend along absorbent main body length direction, above-mentioned lateral plate is by via this main body side bond layer, bond layer and this middle bond layer outside this, this elastomeric element of the elongation state be configured at intervals on absorbent main body length direction be fixed between these 2 lateral plate sheet materials and formed

The adhesive strength of above-mentioned middle bond layer than aforementioned body side bonds oxidant layer and above-mentioned outside bond layer adhesive strength separately weak,

Being at least configured in above-mentioned many elastomeric elements leans on the elastomeric element of the position of crotch side to be configured to most, one end part in the both ends of this elastomeric element is between aforementioned body side bonds oxidant layer and above-mentioned outside bond layer, and the other end is positioned at aforementioned body side bonds oxidant layer or above-mentioned outside bond layer.

＜2＞

As the disposable diaper of above-mentioned < 1 >, wherein, above-mentioned retractility lateral plate is under elongation state, in the both side edges of the length direction along absorbent main body, above-mentioned be configured in by the one end part in the both ends of the elastomeric element of the position of crotch side between aforementioned body side bonds oxidant layer and above-mentioned outside bond layer.

＜3＞

As the disposable diaper of above-mentioned < 1 > or < 2 >, wherein, being at least configured in above-mentioned many elastomeric elements leans on the prolonging direction of elastomeric element of the position of crotch side to intersect with the bearing of trend of the ora terminalis of the absorbent main body length direction of above-mentioned lateral plate most.

＜4＞

As the disposable diaper any one of above-mentioned < 1 > to < 3 >, wherein, being at least configured in above-mentioned many elastomeric elements leans on the elastomeric element of the position of crotch side to be configured to most, an end in the both ends of this elastomeric element before above-mentioned disposable diaper completes to the wearing effect of wearer, between aforementioned body side bonds oxidant layer and above-mentioned outside bond layer.

＜5＞

As the disposable diaper any one of above-mentioned < 1 > to < 4 >, wherein, above-mentioned middle bond layer width than aforementioned body side bonds oxidant layer and above-mentioned outside bond layer width separately narrow.

＜6＞

As the disposable diaper any one of above-mentioned < 1 > to < 5 >, wherein, in a part of elastomeric element in above-mentioned many elastomeric elements, the end of the lateral part side of above-mentioned lateral plate is overlapping with above-mentioned outside bond layer, or is being fixed on the above-mentioned lateral plate sheet material forming above-mentioned lateral plate by involution by the position outside width than above-mentioned outside bond layer.

＜7＞

As the disposable diaper any one of above-mentioned < 1 > to < 6 >, wherein, being at least configured in above-mentioned many elastomeric elements leans on the prolonging direction of the elastomeric element of the position of crotch side to intersect with the width of above-mentioned absorbent main body most.

＜8＞

As the disposable diaper any one of above-mentioned < 1 > to < 7 >, wherein, the prolonging direction of the elastomeric element of the remainder in prolonging direction and this many elastomeric elements of a part of elastomeric element in above-mentioned many elastomeric elements intersects.

＜9＞

As the disposable diaper any one of above-mentioned < 1 > to < 8 >, wherein, above-mentioned lateral plate is under elongation state, both side edges along absorbent main body length direction extends in parallel to each other, and the bearing of trend of the ora terminalis of the absorbent main body length direction of the bearing of trend of the lateral margin of this lateral plate and above-mentioned lateral plate is not with crossing at right angle.

＜10＞

As the disposable diaper of above-mentioned < 9 >, wherein, the bearing of trend of the lateral margin of above-mentioned lateral plate intersects with the absorbent main body length direction of above-mentioned absorbent main body.

＜11＞

As the disposable diaper any one of above-mentioned < 1 > to < 10 >, wherein, above-mentioned being configured in is positioned at above-mentioned outside bond layer by the other end in the elastomeric element of the position of crotch side.

＜12＞

As the disposable diaper any one of above-mentioned < 1 > to < 11 >, wherein, above-mentioned lateral plate is arranged on the drosal part of above-mentioned absorbent main body.

＜13＞

As the disposable diaper any one of above-mentioned < 1 > to < 12 >, wherein, above-mentioned 2 the lateral plate sheet materials forming above-mentioned retractility lateral plate comprise the skin lateral plate being positioned at skin opposite face side and the non-skin lateral plate being positioned at non-skin opposite face side, and skin lateral plate and non-skin lateral plate are formed as rectangular shape.

＜14＞

As the disposable diaper any one of above-mentioned < 1 > to < 13 >, wherein, above-mentioned 2 lateral plate sheet materials and skin lateral plate and non-skin lateral plate are under the state of plane expansion, longer than the length of the above-mentioned elastomeric element under elongation state.

＜15＞

As the disposable diaper any one of above-mentioned < 1 > to < 14 >, wherein, above-mentioned 2 lateral plate sheet materials and skin lateral plate and non-skin lateral plate are formed as identical shape and identical size, or skin lateral plate and non-skin lateral plate are formed as the different size of development length from the lateral margin of above-mentioned absorbent main body.

＜16＞

As the disposable diaper any one of above-mentioned < 1 > to < 15 >, wherein, the intersecting angle of the bearing of trend of the prolonging direction of above-mentioned elastomeric element in above-mentioned retractility lateral plate and the ora terminalis of the length direction of this lateral plate is greater than 0 ° and is less than 30 °, is preferably more than 5 ° less than 20 °.

＜17＞

As the disposable diaper any one of above-mentioned < 1 > to < 16 >, wherein, above-mentioned elastomeric element adjacent on the length direction in above-mentioned retractility lateral plate each other be spaced apart more than 3mm, below 15mm.

＜18＞

As the disposable diaper any one of above-mentioned < 1 > to < 17 >, wherein, the above-mentioned elastomeric element being configured in above-mentioned retractility lateral plate is wire, and its cross section is arbitrary shapes such as circular, square shape, polygonal shape.

＜19＞

As the disposable diaper of above-mentioned < 18 >, wherein, the diameter of the elastomeric element of the above-mentioned wire in above-mentioned retractility lateral plate or width are more than 0.1mm below 2mm, are preferably more than 0.1mm below 1mm.

＜20＞

As the disposable diaper of above-mentioned < 18 > or < 19 >, wherein, the radical being configured in the elastomeric element of the above-mentioned wire of above-mentioned retractility lateral plate is more than 2 less than 25, is preferably more than 3 less than 20.

＜21＞

As the disposable diaper any one of above-mentioned < 18 > to < 20 >, wherein, the elastomeric element being configured in the above-mentioned wire of above-mentioned retractility lateral plate is configured to, stress when extending with percentage elongation 100% (naturalness is set to 0%) is 1 elastomeric element of the wire of more than 0.1N below 1N, arrange fixing in the scope of percentage elongation less than more than 50% 300% with the state of extending, preferably arrange fixing in the scope of percentage elongation less than more than 100% 250% with the state of extending.

＜22＞

As the disposable diaper any one of above-mentioned < 1 > to < 21 >, wherein, the width of above-mentioned middle bond layer is compared to aforementioned body side bonds oxidant layer and above-mentioned outside bond layer width separately, narrow more than 30%, preferably narrow more than 50%.

＜23＞

As the disposable diaper any one of above-mentioned < 1 > to < 22 >, wherein, aforementioned body side bonds oxidant layer, above-mentioned outside bond layer and above-mentioned middle bond layer and above-mentioned elastomeric element extend across along its length, and are arranged at the total length of the length direction of above-mentioned retractility lateral plate.

＜24＞

As the disposable diaper any one of above-mentioned < 1 > to < 23 >, wherein, in above-mentioned retractility lateral plate, above-mentioned elastomeric element with elongation state by aforementioned body side bonds oxidant layer, above-mentioned outside bond layer and above-mentioned middle bond layer are fixed, under the naturalness of this elastic components contract, multiple pleat is formed on the two sides of this lateral plate, this pleat is formed extended at both sides along its length in the mode of intersecting with many these elastomeric elements, this pleat is at this main body side bond layer and outside this between bond layer, due to the contraction of this elastomeric element, above-mentioned 2 lateral plate sheet materials are outstanding to the direction convex left from this elastomeric element in each non-set out region, and in this middle bond layer towards this elastomeric element for be formed in concave shape, thus there is concaveconvex shape.

＜25＞

As the disposable diaper any one of above-mentioned < 1 > to < 24 >, wherein, in the both sides along its length of above-mentioned absorbent main body, sidepiece sheet is configured with respectively via above-mentioned positive dough sheet, this sidepiece sheet arranges fixing in the skin opposite face side of this positive dough sheet throughout the whole region of sidepiece alongst, the medial end of the width of this sidepiece sheet becomes free end, and near free end in this crotch, the elastomeric element being fixed with three-dimensional gauffer and being formed is arranged in the longitudinal direction with elongation state, when wearing, because of the contractility of the elastomeric element that this three-dimensional gauffer is formed, leave from this positive dough sheet apart from the part of this free end Rack and form three-dimensional gauffer.

＜26＞

As the disposable diaper any one of above-mentioned < 1 > to < 25 >, wherein, in the both sides along its length of above-mentioned absorbent main body, respectively the sidepiece sheet that the outside to width extends engaged with back sheet and form alar part

Above-mentioned alar part in crotch, the elastomeric element that leg creases is formed arranges fixing in the longitudinal direction with elongation state, when wearing, the contractility of the elastomeric element utilizing this leg creases to be formed forms leg creases.

＜27＞

As the disposable diaper any one of above-mentioned < 1 > to < 26 >, wherein, the above-mentioned pull stap extended outside width is installed at the lateral part of above-mentioned lateral plate.

＜28＞

As the disposable diaper of above-mentioned < 27 >, wherein, above-mentioned pull stap is folded state before use, launch in use and use, be formed as the roughly trapezoidal shape in the outside of width with upper base in the deployed state, card hook part is fixed in the outside of the width of the band substrate sheets formed equally at the plan view shape with this pull stap.

＜29＞

As the disposable diaper of above-mentioned < 27 > or < 28 >, wherein, engage the engaging zones of above-mentioned pull stap and above-mentioned lateral plate in disposable diaper, formed via by bonding agent, and engaged by multiple weld portion that heat sealing or ultrasonic sealing function are formed.

＜30＞

As the disposable diaper of above-mentioned < 29 >, wherein, above-mentioned engaging zones has the weld portion group of the weld portion being arranged with multiple little shape in the longitudinal direction regularly, this weld portion group is arranged with multiple in the direction of the width, the area of this engaging zones is less than more than 10% 50% relative to the ratio of the gross area of this retractility lateral plate during the above-mentioned retractility lateral plate overlooked under naturalness, is preferably less than more than 10% 40%.

＜31＞

As the disposable diaper of above-mentioned < 29 > or < 30 >, wherein, the shape of above-mentioned weld portion is the arbitrary shape in the ellipse of lengthwise, circle, rhombus, triangle, polygon.

＜32＞

As the disposable diaper any one of above-mentioned < 29 > to < 31 >, wherein, the involution pattern area of above-mentioned weld portion is 2mm ²above 30mm ²below, 2mm is preferably ²above 20mm ²below.

＜33＞

As the disposable diaper any one of above-mentioned < 29 > to < 32 >, wherein, above-mentioned weld portion adjacent in the longitudinal direction each other be spaced apart more than 1mm below 8mm, be preferably below 6mm.

＜34＞

As the disposable diaper any one of above-mentioned < 29 > to < 33 >, wherein, the configuration number of above-mentioned weld portion is 1/cm ²above 16/cm ²below, 2/cm is preferably ²above 10/cm ²below, total involution pattern area of this weld portion multiple is less than more than 10% 70% relative to the ratio of the area of above-mentioned engaging zones, is preferably less than more than 10% 50%.

＜35＞

As the disposable diaper any one of above-mentioned < 1 > to < 34 >, wherein, above-mentioned elastomeric element in above-mentioned flexible lateral plate extends relative to width obliquely with its prolonging direction and the mode that the bearing of trend of the ora terminalis of the length direction of this lateral plate intersects with intersecting angle θ 2, configure across roughly equal interval in the longitudinal direction with this state, above-mentioned intersecting angle θ 2 is more than 150 °, be preferably more than 160 °, the upper limit is lower than 180 °, be preferably less than 175 °.

＜36＞

As the disposable diaper any one of above-mentioned < 1 > to < 35 >, wherein, about the above-mentioned elastomeric element forming above-mentioned retractility lateral plate, the prolonging direction of a part of elastomeric element in many elastomeric elements intersects with the prolonging direction of the elastomeric element of the remainder in many elastomeric elements, and the prolonging direction of the first elastomeric element of this part of elastomeric element intersects with intersecting angle θ 3 with the prolonging direction of the second elastomeric element of the elastomeric element of this remainder, and tilt relative to width, alternately configure in the longitudinal direction, above-mentioned intersecting angle θ 3 is more than 5 °, be preferably more than 10 °, and the upper limit is less than 30 °, be preferably less than 20 °.

＜37＞

As the disposable diaper any one of above-mentioned < 1 > to < 36 >, wherein, at the outer surface in the veutro portion of above-mentioned disposable diaper, be provided with make the card hook part snapping of above-mentioned pull stap take sheet.

＜38＞

As the disposable diaper any one of above-mentioned < 1 > to < 37 >, wherein, above-mentioned lateral plate is fixed on the non-skin opposite face of above-mentioned back sheet in the mode extended outside width from the lateral margin of above-mentioned absorbent main body.

＜39＞

As the disposable diaper any one of above-mentioned < 1 > to < 38 >, wherein, above-mentioned lateral plate configuration is fixed between the sidepiece sheet and back sheet of drosal part configuration, or is fixed on the skin opposite face of sidepiece sheet.

＜40＞

As the disposable diaper any one of above-mentioned < 1 > to < 39 >, wherein, above-mentioned pull stap is offset to the position of the end of the drosal part side by length direction of above-mentioned retractility lateral plate and installs.

[industrial utilizability]

According to this utility model, provide one to have the simple retractility lateral plate of flat shape, and in the wearing process of diaper not easily lower limb enclose place stay degree of tightness strangle trace thus use sense promote disposable diaper.

Claims

1. a disposable diaper, it has the absorbent main body of lengthwise, the absorbent main body of this lengthwise comprise liquid retainability absorber, be configured in the positive dough sheet of the skin opposite face side of this absorber and be configured in the back sheet of non-skin opposite face side of this absorber, and to be divided into when wearing in the veutro portion of the veutro of wearer, in the drosal part of dorsal part and the crotch that is configured between this veutro portion and this drosal part

Be separately installed with the lateral plate of the retractility extended outside width in the both sides of the length direction of described absorbent main body, and at the lateral part along absorbent main body length direction of this lateral plate, the pull stap extended outside width be installed,

The feature of this disposable diaper is:

Described lateral plate, under elongation state, two ora terminalis of absorbent main body length direction extend in parallel to each other, and comprise: 2 lateral plate sheet materials; Be fixed between these 2 lateral plate sheet materials, and the many elastomeric elements extended in the direction of the width; Main body side bond layer, it is configured in the end side of the described absorbent main body side of these many elastomeric elements, and absorbent main body length direction extends; Outside bond layer, it is configured in the end side of the lateral part side of the described lateral plate of this elastomeric element, and absorbent main body length direction extends; With multiple middle bond layer, it is configured in this main body side bond layer and outside this between bond layer, absorbent main body length direction extends, described lateral plate is by via this main body side bond layer, bond layer and this middle bond layer outside this, this elastomeric element of the elongation state that absorbent main body length direction configures at intervals be fixed between these 2 lateral plate sheet materials and formed

The adhesive strength of described middle bond layer than described main body side bond layer and described outside bond layer adhesive strength separately weak,

Being at least configured in described many elastomeric elements leans on the elastomeric element of the position of crotch side to be configured to most, one end part in the both ends of this elastomeric element is between described main body side bond layer and described outside bond layer, and the other end is positioned at described main body side bond layer or described outside bond layer.

2. disposable diaper as claimed in claim 1, is characterized in that:

The lateral plate of described retractility, under elongation state, in the both side edges of the length direction along absorbent main body, described in be configured in by the one end part in the both ends of the elastomeric element of the position of crotch side between described main body side bond layer and described outside bond layer.

3. disposable diaper as claimed in claim 1, is characterized in that:

Being at least configured in described many elastomeric elements leans on the prolonging direction of elastomeric element of the position of crotch side to intersect with the bearing of trend of the ora terminalis of the absorbent main body length direction of described lateral plate most.

4. disposable diaper as claimed in claim 1, is characterized in that:

Being at least configured in described many elastomeric elements leans on the elastomeric element of the position of crotch side to be configured to most, an end in the both ends of this elastomeric element before described disposable diaper completes to the wearing effect of wearer, between described main body side bond layer and described outside bond layer.

5. disposable diaper as claimed in claim 1, is characterized in that:

The width of described middle bond layer than described main body side bond layer and described outside bond layer width separately narrow.

6. disposable diaper as claimed in claim 1, is characterized in that:

In a part of elastomeric element in described many elastomeric elements, the end of the lateral part side of described lateral plate is overlapping with described outside bond layer, or is being fixed on the described lateral plate sheet material forming described lateral plate by involution by the position outside width than described outside bond layer.

7. disposable diaper as claimed in claim 1, is characterized in that:

Being at least configured in described many elastomeric elements leans on the prolonging direction of the elastomeric element of the position of crotch side to intersect with the width of described absorbent main body most.

8. disposable diaper as claimed in claim 1, is characterized in that:

The prolonging direction of the elastomeric element of the remainder in prolonging direction and this many elastomeric elements of a part of elastomeric element in described many elastomeric elements intersects.

9. disposable diaper as claimed in claim 1, is characterized in that:

Described lateral plate, extends in parallel to each other along the both side edges of absorbent main body length direction under elongation state, and the bearing of trend of the ora terminalis of the absorbent main body length direction of the bearing of trend of the lateral margin of this lateral plate and described lateral plate is not with crossing at right angle.

10. disposable diaper as claimed in claim 9, is characterized in that:

The bearing of trend of the lateral margin of described lateral plate intersects with the absorbent main body length direction of described absorbent main body.

11. disposable diapers as claimed in claim 1, is characterized in that:

Described being configured in is positioned at described outside bond layer by the other end in the elastomeric element of the position of crotch side.

12. disposable diapers as claimed in claim 1, is characterized in that:

Described lateral plate is arranged on the drosal part of described absorbent main body.

13. disposable diapers as claimed in claim 1, is characterized in that:

Described 2 the lateral plate sheet materials forming the lateral plate of described retractility comprise the skin lateral plate being positioned at skin opposite face side and the non-skin lateral plate being positioned at non-skin opposite face side, and skin lateral plate and non-skin lateral plate are formed as rectangular shape.

14. disposable diapers as claimed in claim 1, is characterized in that:

Described 2 lateral plate sheet materials and skin lateral plate and non-skin lateral plate are under the state of plane expansion, longer than the length of the described elastomeric element under elongation state.

15. disposable diapers as claimed in claim 1, is characterized in that:

Described 2 lateral plate sheet materials and skin lateral plate and non-skin lateral plate are formed as identical shape and identical size, or skin lateral plate and non-skin lateral plate are formed as the different size of development length from the lateral margin of described absorbent main body.

16. disposable diapers as claimed in claim 1, is characterized in that:

The intersecting angle of the bearing of trend of the prolonging direction of described elastomeric element in the lateral plate of described retractility and the ora terminalis of the length direction of this lateral plate is greater than 0 ° and is less than 30 °.

17. disposable diapers as claimed in claim 1, is characterized in that:

Described elastomeric element adjacent in the longitudinal direction in the lateral plate of described retractility each other be spaced apart more than 3mm below 15mm.

18. disposable diapers as claimed in claim 1, is characterized in that:

The described elastomeric element being configured in the lateral plate of described retractility is wire, and its cross section is the arbitrary shape in circular, square shape, polygonal shape etc.

19. disposable diapers as claimed in claim 18, is characterized in that:

The diameter of the elastomeric element of the described wire in the lateral plate of described retractility or width are more than 0.1mm below 2mm.

20. disposable diapers as claimed in claim 18, is characterized in that:

The radical being configured in the elastomeric element of the described wire of the lateral plate of described retractility is more than 2 less than 25.

21. disposable diapers as claimed in claim 18, is characterized in that:

The elastomeric element being configured in the described wire of the lateral plate of described retractility is configured to, 1 elastomeric element of the wire that stress when extending with percentage elongation 100% is more than 0.1N below 1N, arranges fixing in the scope of percentage elongation less than more than 50% 300% with the state of extending.

22. disposable diapers as claimed in claim 1, is characterized in that:

The width of described middle bond layer is compared to described main body side bond layer and described outside bond layer width separately, narrow by more than 30%.

23. disposable diapers as claimed in claim 1, is characterized in that:

Described main body side bond layer, described outside bond layer and described middle bond layer and described elastomeric element extend across in the longitudinal direction, and are arranged at the total length of the length direction of the lateral plate of described retractility.

24. disposable diapers as claimed in claim 1, is characterized in that:

In the lateral plate of described retractility, described elastomeric element with elongation state by described main body side bond layer, described outside bond layer and described middle bond layer are fixed, under the naturalness of this elastic components contract, multiple pleat is formed on the two sides of this lateral plate, this pleat extends to form in the longitudinal direction in the mode of intersecting with many these elastomeric elements, this pleat is at this main body side bond layer and outside this between bond layer, due to the contraction of this elastomeric element, described 2 lateral plate sheet materials are outstanding to the direction convex left from this elastomeric element in each non-set out region, and be formed as in this middle bond layer towards the concavity of this elastomeric element, thus there is concaveconvex shape.

25. disposable diapers as claimed in claim 1, is characterized in that:

In the both sides along its length of described absorbent main body, sidepiece sheet is configured with respectively via described positive dough sheet, this sidepiece sheet arranges fixing in the skin opposite face side of this positive dough sheet throughout the whole region of sidepiece alongst, the medial end of the width of this sidepiece sheet becomes free end, and near free end in this crotch, the elastomeric element being fixed with three-dimensional gauffer and being formed is arranged in the longitudinal direction with elongation state, when wearing, because of the contractility of the elastomeric element that this three-dimensional gauffer is formed, leave from this positive dough sheet apart from the part of this free end Rack and form three-dimensional gauffer.

26. disposable diapers as claimed in claim 1, is characterized in that:

In the both sides along its length of described absorbent main body, the sidepiece sheet extended in the outside to width respectively and back sheet engage and form alar part,

Described alar part in crotch, the elastomeric element that leg creases is formed arranges fixing in the longitudinal direction with elongation state, when wearing, the contractility of the elastomeric element utilizing this leg creases to be formed forms leg creases.

27. disposable diapers as claimed in claim 1, is characterized in that:

The described pull stap extended outside width is installed at the lateral part of described lateral plate.

28. disposable diapers as claimed in claim 27, is characterized in that:

Described pull stap is folded state before use, launch in use and use, be formed as the roughly trapezoidal shape in the outside of width with upper base in the deployed state, card hook part is fixed in the outside of the width of the band substrate sheets be identically formed at the plan view shape with this pull stap.

29. disposable diapers as claimed in claim 27, is characterized in that:

Engage the engaging zones of described pull stap and described lateral plate, in disposable diaper, via being formed by bonding agent and being engaged by multiple weld portion that heat sealing or ultrasonic sealing function are formed.

30. disposable diapers as claimed in claim 29, is characterized in that:

Described engaging zones has the weld portion group of the weld portion being arranged with multiple little shape in the longitudinal direction regularly, this weld portion group is arranged with multiple in the direction of the width, and the ratio of the gross area of the lateral plate of this retractility during lateral plate relative to the described retractility of overlooking under naturalness of the area of this engaging zones is less than more than 10% 50%.

31. disposable diapers as claimed in claim 29, is characterized in that:

The shape of described weld portion is the arbitrary shape in the ellipse of lengthwise, circle, rhombus, triangle, polygon.

32. disposable diapers as claimed in claim 29, is characterized in that:

The involution pattern area of described weld portion is 2mm ²above 30mm ²below.

33. disposable diapers as claimed in claim 29, is characterized in that:

Described weld portion adjacent in the longitudinal direction each other be spaced apart more than 1mm below 8mm.

34. disposable diapers as claimed in claim 29, is characterized in that:

The configuration number of described weld portion is 1/cm ²above 16/cm ²below, total involution pattern area of this weld portion multiple is less than more than 10% 70% relative to the ratio of the area of described engaging zones.

35. disposable diapers as claimed in claim 1, is characterized in that:

Described elastomeric element in the lateral plate of described retractility extends relative to width obliquely with its prolonging direction and the mode that the bearing of trend of the ora terminalis of the length direction of this lateral plate intersects with intersecting angle θ 2, and configure across roughly equal interval in the longitudinal direction with this state, described intersecting angle θ 2 is more than 150 °, and the upper limit is lower than 180 °.

36. disposable diapers as claimed in claim 1, is characterized in that:

The described elastomeric element forming the lateral plate of described retractility is configured to, the prolonging direction of a part of elastomeric element in many elastomeric elements intersects with the prolonging direction of the elastomeric element of the remainder in many elastomeric elements, and intersect with intersecting angle θ 3 as the prolonging direction of the prolonging direction of the first elastomeric element of this part of elastomeric element with the second elastomeric element of the elastomeric element as this remainder, and tilt relative to width, alternately configure in the longitudinal direction, described intersecting angle θ 3 is more than 5 °, and the upper limit is less than 30 °.

37. disposable diapers as claimed in claim 1, is characterized in that:

At the outer surface in the veutro portion of described disposable diaper, be provided with make the card hook part snapping of described pull stap take sheet.

38. disposable diapers as claimed in claim 1, is characterized in that:

Described lateral plate is fixed on the non-skin opposite face of described back sheet in the mode extended outside width from the lateral margin of described absorbent main body.

39. disposable diapers as claimed in claim 1, is characterized in that:

Described lateral plate configuration is fixed on and is configured between the sidepiece sheet of drosal part and back sheet, or is fixed on the skin opposite face of sidepiece sheet.

40. disposable diapers as claimed in claim 1, is characterized in that:

Described pull stap bias described retractility lateral plate by length direction drosal part side end position and install.

41. disposable diapers as claimed in claim 1, is characterized in that:

The prolonging direction forming many described elastomeric elements of described lateral plate whole is parallel with the bearing of trend of the ora terminalis of the length direction of this lateral plate, be configured in by the end by centrage in the both ends of this elastomeric element of the position of crotch side between described main body side bond layer and described outside bond layer, the end outside width is positioned at bond layer outside this.