CN108348384A

CN108348384A - Absorbent commodity

Info

Publication number: CN108348384A
Application number: CN201680065608.XA
Authority: CN
Inventors: 西谷和也; 木下英之
Original assignee: Unicharm Corp
Current assignee: Unicharm Corp
Priority date: 2015-11-09
Filing date: 2016-08-19
Publication date: 2018-07-31
Anticipated expiration: 2036-08-19
Also published as: TW201722380A; JP2017086388A; KR20180084842A; CN108348384B; JP6411309B2; TWI703967B; KR101964977B1; WO2017081902A1

Abstract

A kind of wearer of present invention offer can grasp the pliability of absorbent commodity (1) before dress, enable a wearer to the absorbent commodity for generating the anticipation of the wearing feeling for absorbent commodity.Absorbent commodity has：Absorber (30) is configured at crotch zone domain (S1) and posterior region (S3)；Surface patch (11) is configured at the skin of absorber with respect to surface side；And adhesive portion (60), it is used to removably be sticked in underpants.Absorber has：Absorbent cores (31), with absorbing material；And core backpack body (32), it is made of non-woven fabrics.Surface patch has：1st layer (111), are made of non-woven fabrics；And the 2nd layer (112), it is configured at the position by non-skin with respect to surface side than the 1st layer, and be made of non-woven fabrics, which includes fiber thicker compared with the 1st layer of fiber.Posterior region has：Constricted zone (51) is configured with compression unit in the constricted zone (51)；And uncompressed region (52), compression unit is not configured in the uncompressed region (52).Compression unit is set to absorbent cores and surface patch, and uncompressed region is continuously extended to the other end along width direction (W) from one end of absorber.

Description

Absorbent commodity

Technical field

The present invention relates to the absorbent commodities such as sanitary napkin.

Background technology

In the past, there is known such absorbent commodity, have：Crotch zone domain；Posterior region is located at crotch zone domain Rear side；Absorber is configured at crotch zone domain and posterior region；Surface patch is configured at the skin opposite face of absorbent commodity； And holding section, removably it is sticked in underpants (for example, referring to patent document 1).

In general, wearer is by the absorbent commodity of patent document 1 when being dressed in underpants, in the crotch that will be configured at wearer Under crotch zone domain be fixed on underpants after, posterior region is fixed on underpants.At this point, wearer is for example contacting crotch zone with hand After the surface patch in domain, hand is rearward slided, to which underpants are fixed in absorbent commodity pressing.

Existing technical literature

Patent document

Patent document 1：Japanese Unexamined Patent Application Publication 2008-520401 bulletins

Invention content

The applicant learns that wearer is according to the skin opposite face for comforting absorbent commodity when wearing with finger through investigation When sense of touch, generate for absorbent commodity anticipation, wearing feeling when which can influence to wear.

For the absorbent commodity of patent document 1, rearward slided by the hand for touching the surface patch in crotch zone domain When dynamic, finger can touch the compression unit set on posterior region.It is difficult if wearer experiences the hardness of compression unit when wearing To hold soft impression to absorbent commodity.Therefore, wearer is difficult to generate the expectation of the wearing feeling for absorbent commodity Sense, to cause undesirable influence to wearing feeling.

The present invention is to complete in view of the above problems, it is intended that half sole can worn by providing a kind of wearer The pliability for holding absorbent commodity enables a wearer to the absorbability object that can generate the anticipation of the wearing feeling for absorbent commodity Product.

The absorbent commodity of the disclosure has：Orthogonal front-rear direction (front-rear direction L) and width direction (width side To W)；Crotch zone domain (crotch zone domain S1), is configured under the crotch of wearer；Posterior region (posterior region S3) is located at institute State the rear side in crotch zone domain；Absorber (absorber 30) is configured at the crotch zone domain and the posterior region；Surface patch (surface patch 11) is configured at the skin of the absorber with respect to surface side；And holding section (adhesive portion 60), it is used for dismantled and assembled Ground is sticked in underpants, wherein the absorber has：Absorbent cores (absorbent cores 31), with absorbing material；And core backpack body (core backpack body 32), is used to coat the absorbent cores, is made of non-woven fabrics, and the surface patch has：1st layer (the 1st layer 111), It is made of non-woven fabrics；And the 2nd layer (the 2nd layer 112), it is configured at the position by non-skin with respect to surface side than described 1st layer, And it is made of non-woven fabrics, which includes fiber thicker compared with the 1st layer of the fiber, the posterior region tool Have：Constricted zone (constricted zone 51) is configured with compression unit in the constricted zone (constricted zone 51)；And uncompressed region The compression unit is not configured in the uncompressed region (uncompressed region 52) in (uncompressed region 52), and the compression unit is set to institute Absorbent cores and the surface patch are stated, the uncompressed region is continuously prolonged along the width direction from one end of the absorber Extend to the other end.

Description of the drawings

Fig. 1 is the vertical view of the absorbent commodity of an embodiment.

Fig. 2 be from the unilateral observation opposite with Fig. 1 to absorbent commodity vertical view.

Fig. 3 is the sectional view along the absorbent commodity of the line A-A of Fig. 1.

Fig. 4 is the schematic sectional view of surface patch.

Fig. 5 is the vertical view for the absorbent commodity for indicating constricted zone and uncompressed region.

Fig. 6 is the schematic isometric of the absorbent commodity in use.

Specific implementation mode

Hereinafter, being illustrated to the absorbent commodity of embodiment with reference to attached drawing.Absorbent commodity can be that protection pad (is defended Raw protection pad), sanitary napkin, the arbitrary absorbent commodity such as incontinence pad.In the following embodiments, as absorbability One example of article, illustrates disposable sanitary napkin.

In the record of attached drawing below, same or similar reference numeral is marked to same or similar part.Wherein, Attached drawing is schematically to scheme, it should be noted that the situation for having ratio of each size etc. different from reality.Thus, specific size etc. should join Judge according to the following description.In addition, attached drawing also includes the different part of relationship, ratio of mutual size between each other.

(1) overall structure of absorbent commodity

Fig. 1 is the vertical view of the absorbent commodity of an embodiment.Fig. 2 be from the unilateral observation opposite with Fig. 1 to The vertical view of absorbent commodity.Fig. 3 is the sectional view along the absorbent commodity of the line A-A of Fig. 1.

Absorbent commodity 1 has front-rear direction L, width direction W and thickness direction T.Front-rear direction L is before wearer The direction that side (veutro) extends to rear side (back side), or direction from the rear side of wearer to front side that extend from.Width direction W It is the direction with front-rear direction L-orthogonal.Thickness direction T be from the skin of wearer with respect to surface side T1 to non-skin with respect to surface side T2 The direction of extension is the direction orthogonal with front-rear direction L and width direction W.Skin with respect to surface side T1 be equivalent to when in use with The opposite side of the skin of wearer.Non-skin is equivalent to surface side T1 opposite with skin when in use opposite one with respect to surface side T2 Side, i.e. the direction side opposite with the skin of wearer.

Absorbent commodity 1 has crotch zone domain S1, front area S2 and posterior region S3.Crotch zone domain S1 is and wearer The opposite region in discharge port (such as introitus).When absorbent commodity is dressed in underpants, crotch zone domain S1 is located at underpants Crotch lower part.That is, crotch zone domain S1 is arranged under the crotch of wearer, the region i.e. between two legs of wearer.

Front area S2 is located at the position that front side is leaned on than crotch zone domain S1.The front-end edge of front area S2 limits absorbability object The front-end edge of product 1.Posterior region S3 is located at the position that rear side is leaned on than crotch zone domain S1.The end edge of posterior region S3, which limits, to be absorbed The end edge of property article 1.The length of the front-rear direction L of posterior region S3 can be than the length of the front-rear direction L of crotch zone domain S1 It is long.

In crotch zone domain, S1 can be equipped with aftermentioned flank 3.In addition, can be equipped with to width direction W in posterior region S3 Outside protrusion buttocks fin 4.

The front-end edge of flank 3 is limited by the root of flank 3, is equivalent to two portions being most recessed to the inside of width direction W Point in, the part positioned at front side.The front-end edge of flank 3 can also limit the boundary of crotch zone domain S1 and front area S2.Flank 3 End edge limited by the root of flank 3, be equivalent in two parts being most recessed to the inside of width direction W, be located at rear side Part.The end edge of flank 3 can also limit the boundary of crotch zone domain S1 and posterior region S3.It herein, will be on front-rear direction L Flank 3 front-end edge and the end edge of flank 3 between region be known as " flank region ".In the absorbability object with flank 3 In product 1, crotch zone domain S1 is the region substantially the same with flank region.Thus, it should be noted that in the present specification, " crotch zone S1 " this word in domain can rename as " flank region ".

Absorbent commodity 1 has skin dough sheet 10, non-skin dough sheet 20 and absorber 30.Skin dough sheet 10 is set to than absorbing Body 30 leans on position of the skin with respect to surface side T1.Non-skin dough sheet 20 is set to the position by non-skin with respect to surface side T2 than absorber 30 It sets.Absorber 30 is set between skin dough sheet 10 and non-skin dough sheet 20.

Skin dough sheet 10 can have surface patch 11 and lateral plate 12.Surface patch 11 is the liquid permeability that can penetrate the liquid such as body fluid Piece.Surface patch 11 covers the central portion on the width direction W of absorber 30.Surface patch 11 can be along front-rear direction L in the past Side region S2 extends to posterior region S3.

Surface patch 11 has the arbitrary of the construction that can penetrate liquid by non-woven fabrics, woven fabric, apertured plastic piece, mesh piece etc. The material of sheet is constituted.As woven fabric, the material of non-woven fabrics, any one of natural fiber, chemical fibre can be used.

Lateral plate 12 covers the lateral border on the width direction W of surface patch 11, and specific surface piece 11 is to prolonging on the outside of width direction W It stretches.In addition, in the present embodiment, absorbent commodity 1 has lateral plate 12, but absorbent commodity 1 can not also have lateral plate 12. In this case, it is whole can to cover absorber 30 for surface patch 11.

Lateral plate 12 can be made of material identical with surface patch 11.But it is attached to the body of surface patch 11 in order to prevent Liquid crosses lateral plate 12, is leaked out to the outside of absorbent commodity 1 on width direction W, and lateral plate 12 preferably has hydrophobicity or water repellent Property.Lateral plate 12 can be configured at lateral border, flank 3 and buttocks fin 4 on the width direction W of absorber 30.

Non-skin dough sheet 20 is the piece of opaque liquid.For non-skin dough sheet 20, can using polythene strip, to gather The resin film of stacking non-woven fabrics, aeration based on propylene etc., the resin that aeration is engaged in the non-woven fabrics such as spunbond or spun lacing Piece made of film etc..Non-skin dough sheet 20 is configured at the non-skin of absorber 30 with respect to surface side T2, and across flank 3 and the buttocks wing 4 ground of piece configures.Non-skin dough sheet 20 constitutes the non-skin face of absorbent commodity 1.In addition, being configured at the non-skin phase of absorber 30 The piece of opposite side T2, the piece for being configured at flank 3, be configured at buttocks fin 4 piece can be it is integrated as in the present embodiment, Can also be to be made of respective individually piece.

Absorber 30 is at least configured at crotch zone domain S1 and posterior region S3.In addition, absorber 30 can also be from crotch zone Domain S1 extends to front area S2.Absorber 30 has：Absorbent cores 31, it includes absorbing material, the absorbing material is for absorbing Liquid；And core backpack body 32, it is used to coat absorbent cores 31.

Core backpack body 32 at least coats absorbent cores 31 in the position than absorbent cores 31 by skin with respect to surface side T1.As tool One example of body, core backpack body 32 can have：1st core backpack body 321 is configured at than absorbent cores 31 by skin with respect to surface side T1 Position；And the 2nd core backpack body 322, it is configured at the position by non-skin with respect to surface side T2 than absorbent cores 31.1st core backpack body 321 and the 2nd core backpack body 322 can also be constituted by same.The absorbing material for constituting absorbent cores 31 can be by such as hydrophily Fiber, slurry and super absorbent polymer (SAP) formation.Core backpack body 32 is made of non-woven fabrics.Core backpack body 32 can have hydrophobic Property.There is hydrophobicity by core backpack body 32, anti-leakage can be improved.

The width direction center of 1st core backpack body 321 is configured at the skin of absorbent cores 31 with respect to surface side T1.1st core backpack body 321 It turns back to the non-skin of absorbent cores 31 with respect to surface side T2 using the lateral border of absorbent cores 31 as basic point.Absorbent commodity 1 shown in Fig. 3 Sectional view be the 1st core backpack body 321 turn back state.Under the unfolded state that the 1st core backpack body 321 does not turn back, the 1st core backpack body 321 width direction center is located at the width direction center of absorbent cores 31, and the lateral border 321E of the 1st core backpack body 321 compares absorbent cores 31 extend to width direction outside.

The lateral border 321E of the 1st core backpack body 321 under the unfolded state of 1st core backpack body 321 can be configured at absorbent cores 31 Position of lateral border of the non-skin with respect to surface side T2 or than absorbent cores 31 on the outside of width direction.1st core of present embodiment The lateral border 321E of backpack body 321 is configured at the non-skin of the 2nd core backpack body 322 with respect to surface side T2 positioned at the non-skin of absorbent cores 31 Opposite surface side T2.In addition it is also possible to be, the lateral border 321E of the 1st core backpack body 321 prolongs to the width direction outside of absorbent cores 31 It stretches, is configured at the non-skin surface side T2 opposite with respect to the non-skin of surface side T2 and surface patch 11 of lateral plate 12.

As described above, absorbent commodity 1 has flank 3 and buttocks fin 4.Flank 3 and buttocks fin 4 are than crotch zone domain S1 Absorbent cores 31 lateral border to the outside of width direction W extend.

Flank 3 and buttocks fin 4 can be made of lateral plate 12, fin 15, the stacking of non-skin dough sheet 20.Fin 15 is across under crotch Configure to region S1, front area S2 and posterior region S3.Fin 15 is configured at flank 3 and buttocks fin 4.In addition, fin 15 At least it is configured at posterior region S3.Fin 15 is at least configured at buttocks fin 4.

Flank 3 is configured to turn back to 20 side of non-skin dough sheet.Flank 3 is when in use to the non-skin of the crotch of underpants Opposite surface side T2 turns back.Buttocks fin 4 is located at the position that rear side is leaned on than flank 3, is set to posterior region S3.Buttocks fin 4 compares crotch The lateral border of the absorbent cores 31 of lower region S1 extends to the outside of width direction W.Region configured with buttocks fin 4 is located at than crotch Position of the lateral border of the absorbent cores 31 of lower region S1 on the outside of width direction.Buttocks fin 4 does not turn back when in use, is configured at Between underpants and the buttocks of wearer.In the present embodiment, it is not provided with absorbing material in buttocks fin 4.It replaces, in stern Portion's fin 4 can also be equipped with absorbing material.

The outer rim 4E of buttocks fin 4 is the circular shape protruded on the outside of width direction.It the lateral margin of buttocks fin 4 can be with shape As the waveform shape with a large amount of protrusion 4F.A large amount of protrusion 4F is preferably the outer rim 4E warps from the buttocks fin 4 of side The outer rim 4E of the buttocks fin 4 of the other side is extended to by the end edge of posterior region S3.It replaces, a large amount of protrusion 4F also may be used To be only formed in the outer rim 4E of a pair of of buttocks fin 4.The width of each protrusion 4F be preferably 20mm hereinafter, more preferably 10mm with Under.In addition, the width of each protrusion 4F is preferably 3mm or more.

In addition, being alternatively formed the recess portion between multiple protrusion 4F and protrusion 4F in the lateral margin 4E of buttocks fin 4.In part When outer rim 4E of the ground from outer side to buttocks fin 4 applies strong, a small amount of protrusion 4F being set near the position of power turns back.But It is that the power due to there are gap (recess portion), applying Mr. Yu protrusion 4F between the 4F of protrusion is difficult to pass to adjacent Protrusion 4F.As a result, the feelings for inhibiting buttocks fin 4 largely to be crispaturaed as basic point by the protrusion 4F of locally applied force Condition.

In addition, the measurement of " thickness " in this specification is carried out by measurement method below.

In the case where absorbent commodity 1 is enclosed packaging etc., absorbent commodity 1 is taken out from packaging, use is with the shape State placed 12 hours samples in the environment of 20 DEG C ± 2 DEG C, 60% ± 5%RH of relative humidity.

When measuring, not with the state of absorbent commodity contraction but to extend the shape of the retractility component of absorbent commodity State measures.Prepared big using the gauge head of a diameter of 10mm using the rugged amesdial PEACOCK for making institute's (strain) and manufacturing of tail The small test piece for 30mm × 30mm measures the thickness of the test piece.Measuring appliance is adjusted to 3g/ for the measurement pressure of test piece cm².Herein, for 10 samples, above-mentioned measurement is carried out with respective state, using its average value as length.

In addition, the measurement of " weight per unit areas and density of absorbent cores " in this specification passes through measurement method below Come carry out.

For the absorbent commodity wired up by package body, package body is broken a seal, the absorbent commodity of folding is unfolded, Measure the thickness and area of the part for wanting units of measurement area weight and density.Then, list to be measured is cut from absorbent commodity The part of position area weight and density, measures the weight for the part for cutting out.Then, surface is removed from the part for cutting out Part other than the absorbent cores such as piece and core backpack body, measures the weight of absorbent cores.According to the weight of absorbent cores, want units of measurement area The area of the part of weight and density calculates weight per unit area.It is calculated according to weight per unit area and thickness close Degree.

In addition, the measurement of " length " in this specification is carried out by measurement method below.

Then, using the elastic tape measure (tape of affine measurement Co., Ltd. manufacture：Using glass fibre as base material, with polychlorostyrene Ethylene is coating), the length of the state at measurement object position is measured along measurement object position.Herein, for 10 samples, above-mentioned measurement is carried out with respective state, using its average value as length.

(2) detailed construction of absorber

Then, the structure of absorber 30 is more specifically illustrated.Absorber 30 is during at least in crotch zone domain, S1 has High portion 33.Middle high portion 33 can also extend from the crotch zone domain front lateral regions S1 S2.Middle high portion 33 is in the crotch zone domain S1 span centre hearts Configure to line CL.Center line CL is by the center of the width direction W of absorbent commodity 1, extends along front-rear direction L Line.

Middle high portion 33 refers to the thickness of the absorbent cores 31 compared with the thickness of the absorbent cores 31 in the region around middle high portion 33 Thicker region.Other than the weight per unit area of the absorbing material in middle high portion 33 can also be than high portion 33 in the S1 of crotch zone domain Region absorbent cores 31 weight per unit area it is high.Middle high portion 33 can with the aftermentioned 1st low 41 phase of weight per unit area portion It is adjacent.Preferably, the absorbent cores 31 of the rear side in the 1st low weight per unit area portion 41 are thinner than the thickness in middle high portion 33.More preferably It is that the absorbent cores 31 of posterior region S3 entirety are thinner than the thickness in middle high portion 33.Middle high portion 33 have the most thick highest portion of thickness and The rake being connect with highest portion.The rake can be configured between highest portion and aftermentioned front side compression unit 81 and most Between high portion and the 1st low weight per unit area portion 41.

Absorbent cores 31 can have the 1st low weight per unit area portion 41,42 and the 3rd low list of the 2nd low weight per unit area portion Position area weight portion 43.Herein, " low weight per unit area portion " refer to, by with the unit area than surrounding absorbent cores 31 The region that the absorbent cores 31 of the low weight per unit area of weight are constituted, or the region without absorbent cores 31.In this way, " low Weight per unit area portion " is the concept in the region that the weight per unit area comprising absorbent cores 31 is zero.

That is, " low weight per unit area portion " can also be the slit for penetrating through absorbent cores 31 in the thickness directiont.Slit is set Weight per unit area on meter is zero but it is also possible to be configured with from the region of mixed absorbing material around.The width of slit The length of direction W is preferably 1mm~5mm.For example, if the length of the width direction of slit is less than 1mm, there are absorbing material streams Between entering slit, the case where deformation basic point of absorbent cores 31 cannot be constituted.In addition, if the length of the width direction of slit is more than 5mm, Then there is a situation where that wearer experiences the uneasy of the transmission leakage for body fluid.

The weight per unit area of absorbent cores 31 at low weight per unit area portion 41~43 is preferably 150g/m²Hereinafter, more Preferably 100g/m²Below.In addition, the weight per unit area of the absorbent cores 31 at low weight per unit area portion 41~43 is more preferable It is essentially 0g/m².In addition, the weight per unit area of the absorbent cores 31 at low weight per unit area portion 41~43 is preferably low list The 60% of the weight per unit area of absorbent cores 31 (in addition to middle high portion) around position area weight portion 41~43 is hereinafter, more excellent It is selected as 50% or less.

Even if in the case where " low weight per unit area portion " is the region without absorbent cores 31, core backpack body 32 can also It is whole that absorbent cores 31 are coated across low weight per unit area portion.In this case, it even if absorbent cores 31 are broken as multiple regions, inhales Acceptor 30 is also formed as one using core backpack body 32.

1st low weight per unit area portion 41,42 and the 3rd low weight per unit area portion 43 of the 2nd low weight per unit area portion at For the boundary of the stiffness variation of absorber 30.Thus, the 1st low weight per unit area portion 41, the 2nd low 42 and of weight per unit area portion 3rd low weight per unit area portion 43 is equivalent to the easily deformable region of absorber 30.

1st low weight per unit area portion 41 extends between crotch zone domain S1 and posterior region S3 along width direction W.The 1 low weight per unit area portion 41 both can linearly extend along width direction W, can also prolong along width direction W curves It stretches.

1st low weight per unit area portion 41 can be set to than the center on the front-rear direction L of flank 3 by rear side and than absorbing The posterior lateral margin of body 30 leans on the position of front side.It 1st low weight per unit area portion 41 can also be on front-rear direction L after flank 3 Ora terminalis it is arranged.

In the present embodiment, the 1st low weight per unit area portion 41 is the width direction in the 1st low weight per unit area portion 41 The center curve shape rearward outstanding of W.In more detail, the centre bit of the width direction W in the 1st low weight per unit area portion 41 Lateral border position rearward in weight per unit area portion lower than the 1st 41.The front-rear direction in the 1st low weight per unit area portion 41 Length on L can also be non-constant either constant.Positioned at weight per unit area portion 41 lower than the 1st by front side The crotch zone domain S1 of position is clamped by two legs, is easy to be applied in the power crooked because of the action of leg.Due to the 1st low unit area weight Amount portion 41 is curve shape, therefore absorbent commodity 1 is easy to that crooking for body, release is followed caused by the action of body to become Shape.

Preferably, the length on the width direction W in the 1st low weight per unit area portion 41 is 25mm or more.Thereby, it is possible to The action of the absorber 30 at the S1 of crotch zone domain is inhibited to pass to posterior region S3.It is further preferred that the 1st low weight per unit area Portion 41 extends to the other end on width direction W from one end of absorber 30.In this case, the 1st low weight per unit area portion 41 front-end edge can limit the end edge of crotch zone domain S1, after the end edge in the 1st low weight per unit area portion 41 can limit The front-end edge of side region S3.

The other end is extended to from one end of absorber 30 on width direction W by the 1st low weight per unit area portion 41, structure It is difficult to move between crotch zone domain S1 and posterior region S3 at the absorbing material of absorbent cores 31.Thus, it is possible to further suppress The absorbing material for constituting absorbent cores 31 is caused locally to be concentrated because of the action in dress.

Length on the front-rear direction L in the 1st low weight per unit area portion 41 is in the position of the center line CL of absorbent commodity 1 It sets, preferably 10mm or more and 50mm are hereinafter, more preferably 10mm or more and 30mm or less.

The absorbent commodity 1 of embodiment can be realized by having the 1st low weight per unit area portion 41 in crotch zone domain S1 and posterior region S3 are independently deformed.In more detail, there is 10mm or more by the length in the 1st low weight per unit area portion 41 Such length, and the 1st low weight per unit area portion 41 extends to the other end from one end, and absorbent commodity 1 is in the 1st low unit The position in area weight portion 41 also can along the Direction distortion other than thickness direction T, crotch zone domain S1 and posterior region S3's Deformation non-interferencely, can be deformed independently.As a result, even if wearer's as in because of sprawl, walking is dynamic Make in the case of being applied with various external force to absorbent commodity 1, independently deformed by crotch zone domain S1 and posterior region S3, Crotch zone domain S1 and posterior region S3 can also be cooperatively persistently bonded with the shape of body respectively.

Due to being equipped with middle high portion 33 in crotch zone domain S1, the absorbent properties of crotch zone domain S1 can be ensured, and carry The stickiness of high crotch zone domain S1.The absorbent commodity 1 of one embodiment can make crotch zone domain S1 along physical disfigurement, and And posterior region S3 is made to follow body according to the action of body.

2nd low weight per unit area portion 42 is located at the width direction center of absorbent cores 31 in posterior region S3.2nd low unit Area weight portion 42 is in posterior region S3 along the center line CL L extensions forward and backward of absorbent commodity 1.2nd low unit plane Product weight portion 42 can linearly extend along front-rear direction L.2nd low weight per unit area portion, 42 unit plane preferably low with the 1st Product weight portion 41 connects.2nd low weight per unit area portion 42 is equivalent to front and back low weight per unit area portion.

Using 41 and the 2nd low weight per unit area portion 42 of the 1st low weight per unit area portion, make the absorption of composition absorbent cores 31 Material is difficult to divide it in the left side of crotch zone domain S1 (or flank region), the right part of posterior region S3 and posterior region S3 Between move.Thereby, it is possible to inhibit that the absorbing material for constituting absorbent cores 31 is caused locally to be concentrated because of the action in dress.It is tied Fruit can mitigate the sense of discomfort of wearer in the dress of absorbent commodity 1.Thus, even if especially in sprawl, wear The person of wearing also is difficult to experience sense of discomfort.

In addition, in posterior region S3, if the stern that the high weight per unit area portion 45 of the side as absorbent cores 31 is controlled Subordinate press, then the width direction W of the absorbent cores 31 of posterior region S3 center with the 2nd low weight per unit area portion 42 be vertex to It swells wearer side.As a result, in dress, the 2nd low weight per unit area portion 42 is prominent to the skin side of wearer.2nd low list Position area weight portion 42 is easy to be bonded along the butt crack of wearer due in posterior region S3 extending along front-rear direction L. Moreover, as described above, using the 1st low weight per unit area portion 41, absorbent commodity 1 is easy in crotch zone domain S1 and posterior region S3 is independently deformed.That is, absorbent commodity 1 is in crotch zone domain S1 and posterior region S3 by independently deforming, it can be under crotch Both region S1 and posterior region S3 are cooperatively bonded with the shape of body.

The end edge in the 2nd low weight per unit area portion 42 can be located at the center on the front-rear direction L than posterior region S3 By the position of rear side.In addition, the end edge in the 2nd low weight per unit area portion 42 can be located at the maximum width than buttocks fin 4 Position P1 lean on rear side position.The position P1 of the maximum width of buttocks fin 4 is located at than on the front-rear direction L of posterior region The position of rear side is leaned in center.The length of the front-rear direction L in the 2nd low weight per unit area portion 42 is preferably 120mm or more, more preferably For 150mm or more.Preferably, the length on the width direction W in the 2nd low weight per unit area portion 42 be 1mm or more and 5mm with Under.Ditch (butt crack) between the section along front-rear direction L of the body of wearer, buttocks is located at from rearward than perineum Position to the region of coccyx.In absorbent commodity 1 in use, the 2nd low weight per unit area portion 42 is configured at the stock of wearer The region of ditch.

3rd low weight per unit area portion 43 is in posterior region S3 from the 2nd low weight per unit area portion 42 to width direction W's Outside extends.3rd low weight per unit area portion 43 can weight per unit area low with the 2nd portion 42 connect.3rd low unit area weight Amount portion 43 is equivalent to the low weight per unit area portion of width.The edge line of the front side in the 3rd low weight per unit area portion 43 can be in width The inside of direction W is substantially extended parallel to width direction W.In addition, the edge line of the front side in the 3rd low weight per unit area portion 43 It can forwards be stretched out in the outside of width direction W.The edge line of the rear side in the 3rd low weight per unit area portion 43 can be with leniently The Inside To Outside of degree direction W goes and tilts forwards.Since rigidity is become with the 3rd low weight per unit area portion 43 for boundary Change, therefore the 3rd low weight per unit area portion 43 becomes the basic point of the deformation of absorbent commodity 1.In the side area of absorbent commodity 1 Domain S3 is formed with the deformation basic point extended along width direction W.The absorbent cores 31 of posterior region S3 are due to can be with the 3rd low unit Area weight portion 43 deforms for basic point, therefore absorbent commodity 1 is easier to be bonded along the circularity of the front-rear direction L of body. Especially since the edge line of the rear side in the 3rd low weight per unit area portion 43 be as the Inside To Outside of W in the width direction is gone and Inclined shape forwards, therefore absorbent commodity 1 is easy to configure along the circularity of the buttocks of wearer.

Lateral border on the width direction W in the 3rd low weight per unit area portion 43 is located at the absorbent cores 31 than posterior region S3 Lateral border position in the inner part.3rd low weight per unit area portion 43 can spaced apartly be equipped with more on front-rear direction L It is a.3rd low weight per unit area portion 43 constitutes the bending section of present embodiment.3rd low weight per unit area portion 43 is configured to Absorbent commodity 1 is enough set to be bent in thickness direction T." bending section " extends along width direction W, both can be with width direction W is parallel, can also be tilted relative to width direction W." bending section " is the structure of the deformation basic point as absorbent cores 31, both It can be made of low weight per unit area portion, can also be to be compressed made of being compressed in the thickness directiont to absorbent cores 31 Portion.

Absorbent cores 31 have the position for being located at weight per unit area portion 42 lower than the 2nd on the outside of width direction in posterior region S3 The high weight per unit area portion 45 set.The weight per unit area of the absorbing material in high weight per unit area portion 45 is than surrounding suction The weight per unit area for receiving the absorbing material of core 31 is low.High weight per unit area portion 45 is in the absorbent cores 31 of posterior region S3 , remove 42 and the 3rd low weight per unit area portion 43 of the 2nd low weight per unit area portion other than part.2nd low unit area weight Amount portion 42, the 3rd low weight per unit area portion 43 and high weight per unit area portion 45 are covered by surface patch 11.

The density of absorbent cores 31 can be with constant.The state of the density constant of absorbent cores 31 refers to, in layers of absorbent material Poststack does not press the state of absorbent cores 31 locally.In addition, the multiple regions that absorbent cores 31 have weight per unit area different.Tool Body, the weight per unit area in middle high portion 33, the list in the region on the outside of width direction is leaned in high portion 33 than in the S1 of crotch zone domain The low unit plane of position area weight, the weight per unit area in high weight per unit area portion 45 of posterior region S3, posterior region S3 The weight per unit area in product weight portion (the 2nd low weight per unit area portion 42 with the 3rd low weight per unit area portion 43) is different.More in detail Carefully, the weight per unit area for constituting the absorbing material of absorbent cores 31 is configured to by middle high portion 33, compares in the S1 of crotch zone domain Region of the high portion 33 on the outside of the width direction, the high weight per unit area portion 45 of posterior region S3, posterior region S3 low unit The sequence in area weight portion reduces.

(3) compression unit

Absorbent commodity 1 has the compression unit at least being compressed and being formed in the thickness directiont to absorbent cores 31.The pressure Contracting portion can have front side compression unit 81, compresses in length portion 82 and a pair of of rear side compression unit 84.

Front side compression unit 81 is at least set to crotch zone domain S1.Front side compression unit 81 can also be from crotch zone domain S1 to region of the front side Domain S2 extends.Front side compression unit 81 can be in the thickness directiont compaction table dough sheet 11, absorbent cores 31 and core backpack body 32 and formed 's.Front side compression unit 81 has the section along front-rear direction L set on the both sides width direction W in middle high portion 33.It compresses front side Lateral margin of the portion 81 in can limiting on the width direction W in high portion 33.

Compresses in length portion 82 in posterior region S3 across center line CL, more specifically, across the 2nd low weight per unit area portion 42 are set to its both sides.Compresses in length portion 82 can be in the thickness directiont compressed absorbent 30 and surface patch 11 and formed.It is long It spends compression unit 82 and is at least set to absorbent cores 31 and surface patch 11.Compresses in length portion 82 is in weight per unit area portion lower than the 2nd 42 extend by the position in two outsides of width direction W along front-rear direction L.Compresses in length portion 82 it is linear or it is empty linearly at least Extend along front-rear direction L.Compresses in length portion 82 both can be with front-rear direction L parallelly linear extensions, can also be opposite In front-rear direction L, obliquely curve extends.Compresses in length portion 82 can be formed in the position P1 than the maximum width of buttocks fin 4 Position by front side.

In posterior region S3, if the stern subordinate that the high weight per unit area portion 45 of the side as absorbent cores 31 is controlled Pressure, then the center of the width direction W of the absorber of posterior region S3 is vertex to wearer with the 2nd low weight per unit area portion 42 It swells side.Compresses in length portion 82 is configured at the both sides on the width direction W in the 2nd low weight per unit area portion 42, becomes the 2nd low list Deformation basic point when position area weight portion 42 is swelled to wearer side.By with compresses in length portion 82, being readily able to maintain the 2nd The deformation of convex caused by low weight per unit area portion 42 makes absorber 30 be easy to fit in the gap between the buttocks of wearer.

Front side compression unit 81 and compresses in length portion 82 can disconnect on front-rear direction L.Pass through front side compression unit 81 and length It spends compression unit 82 to disconnect, can inhibit to transmit power in crotch zone domain S1 and posterior region S3.As a result, by crotch zone domain S1 and Posterior region S3 is independently deformed, and can cooperatively be pasted in both crotch zone domain S1 and posterior region S3 and the shape of body It closes.In addition, as variation, front side compression unit 81 can also be continuously connected with compresses in length portion 82.

A pair of of rear side compression unit 84 is set to its both sides in posterior region S3 across center line CL.Rear side compression unit 84 can be In the thickness directiont compressed absorbent 30 and surface patch 11 and formed.Rear side compression unit 84 is at least set to absorbent cores 31 and table Dough sheet 11.After the center line CL at the center of the width direction W by absorbent commodity 1 is equipped with a pair with being separated from each other Side compression portion 84.The position P1 that a pair of of rear side compression unit 84 can be located at the maximum width than buttocks fin 4 leans on the position of rear side.

Preferably, near the end for the rear side that a pair of of rear side compression unit 84 is located at posterior region S3.Specifically, Yi Duihou Side compression portion 84 is located at the areas adjacent opposite with the rumpbone of wearer.Rear side compression unit 84 can be along front-rear direction L with line Shape or dotted line shape extend.In addition, be regarded as if even if being slightly tilted or being bent rear side compression unit 84 relative to front-rear direction L along Front-rear direction L extends.Specifically, a pair of of rear side compression unit 84 can locally or globally extend along front-rear direction L.It is a pair of Rear side compression unit 84 has with being gone to rear side and the widened wide cut section of the distance of width direction W.That is, rear side compression unit 84 with It and goes to rear side and tilted to the outside of width direction W.

A pair of of rear side compression unit 84 is located at the position P1 than the maximum width on the width direction W of buttocks fin 4 by rear side Position, a pair of of rear side compression unit 84 has with being gone to rear side and the widened wide cut section of the distance of width direction W.The buttocks wing The position of maximum width on the width direction W of piece 4 is located at the position that rear side is leaned in the center on the front-rear direction L than posterior region S3 It sets.

The wide cut region clipped by wide cut section is equivalent near the rumpbone of wearer.Compression unit is not present in the region, The region both sides there are rigidity it is higher a pair on rear side of compression unit 84.Wide cut region is maintained relatively flat face as a result,. By making the skin contact near relatively flat face and rumpbone, the influence caused by the skin of wearer can be mitigated.In addition, Since wide cut region is maintained relatively flat face, it can make to be located at the 2nd low list by the position of front side than wide cut region The convex in position area weight portion 42 is deformed into flat state.

A pair of of rear side compression unit 84 with by with region opposite near rumpbone and the part opposite with the thick meat part of buttocks it Between the mode that separates configure.Since buttocks more intensely moves, the part opposite with buttocks of absorbent commodity 1 It is easy to be moved according to the action of wearer.Using higher a pair of of the rear side compression unit 84 of rigidity, make the shifting of the absorbent commodity 1 It is dynamic to be difficult to be transferred to the region opposite with rumpbone, i.e. wide cut region.As a result, it is possible to wide cut region is maintained relatively flat Face can mitigate the influence caused by the skin of wearer.It is further preferred, that higher without rigidity in wide cut region Compression unit.Thereby, it is possible to further mitigate the influence caused by the skin of wearer.

In addition, a pair of of compresses in length portion 82 is discretely configured with a pair of of rear side compression unit 84.Thereby, it is possible to inhibit side area The action of the absorbent cores 31 at the rear of domain S3 follows the action of the absorbent cores 31 in the front of posterior region S3.In particular, in the presence of after The case where absorbent cores 31 in the front of side region S3 and the action of the buttocks of wearer cooperatively largely move.Even if In this case, since a pair of of compresses in length portion 82 and a pair of of rear side compression unit 84 are separated from each other, rear side can also be mitigated The action of the absorbent cores 31 at the rear of region S3.Thus, it, can since the action of the absorbent cores 31 in wide cut region is alleviated Reduce the stimulation given near the rumpbone of wearer.

A pair of of compresses in length portion 82 is discretely configured with a pair of of rear side compression unit 84.Behind a pair of of compresses in length portion 82 and a pair The distance between side compression portion 84 is preferably at least 3cm, more preferably at least 5cm.Top is leaned in the 1st joint of ratio of common women The length at the position of side is 1.5cm~2.5cm.It, can be in hand by being longer than the length than the 1st joint by the position of tip side Refer to the when of touching, the finger of touch when slightly moving, so that finger is not contacted compression unit, to which wearer can experience absorbability object The softness on the surface of product 1.Section structure between a pair of of compresses in length portion 82 and a pair of of rear side compression unit 84, not form compression unit At aftermentioned uncompressed region 52.Do not formed compression unit section can also across buttocks fin 4 maximum width position P1.

Absorbent commodity 1 can also have at least two panels in the piece that will constitute skin dough sheet 10 and non-skin dough sheet 20 to exist The 1st compression unit 85, the 2nd compression unit 87 and the 3rd compression unit 86 (referring to Fig.1) for crimping and being formed on thickness direction T.1st compression Portion 85, the 2nd compression unit 87 and the 3rd compression unit 86 can be formed along the outer rim 4E of buttocks fin 4.

(4) adhesive portion

As shown in Fig. 2, being equipped with the adhesive portion 60 with bonding agent in absorbent commodity 1, which is used for absorbability Article 1 is fixed on underpants.Adhesive portion 60 is configured to absorbent commodity 1 being removably sticked in underpants, constitutes holding section.This Outside, holding section is not limited to adhesive portion, can also be such as hook component.Adhesive portion 60 is led with the 1st main body adhesive portion the 61, the 2nd Body adhesive portion 62, flank adhesive portion 63 and buttocks fin adhesive portion 64.Above-mentioned adhesive portion 61~64 is set to non-skin dough sheet 20 Non-skin is with respect to surface side T2.In the state that adhesive portion 61~64 is before use, it can also be covered by stripping film.Stripping film prevents It is deteriorated using the bonding agent in front attachment portion 61~64.Stripping film is removed by wearer when in use.

1st main body adhesive portion 61 is configured at the position than the 2nd main body adhesive portion 62 on the front.1st main body adhesive portion, 61 He L extends 2nd main body adhesive portion 62 forward and backward.1st main body adhesive portion 61 on front-rear direction L with the 2nd main body adhesive portion 62 Discretely configure.1st main body adhesive portion 61 can lean on across the crotch zone domain in position of front side in weight per unit area portion 41 lower than the 1st Configure to S1 and front area S2.2nd main body adhesive portion 62 configures in weight per unit area portion 41 lower than the 1st by the position of rear side In posterior region S3.1st main body adhesive portion 61 and the 2nd main body adhesive portion 62 are not preferably set on center line CL.Flank adhesive portion 63 are set to flank 3.Buttocks fin adhesive portion 64 is set to buttocks fin 4.Preferably, the 1st low weight per unit area portion 41 is in thickness It is configured at region not Chong Die with adhesive portion 61~64 on degree direction T.More specifically, the 1st low weight per unit area portion 41 is set to Region between 1st main body adhesive portion 61 and the 2nd main body adhesive portion 62.

Preferably, the 2nd low weight per unit area portion 42 is configured at not Chong Die with adhesive portion 61~64 in the thickness directiont Region.More specifically, the 2nd low weight per unit area portion 42 is set between multiple 2nd main body adhesive portions 62.A pair of of length Compression unit 82 is preferably disposed to the region Chong Die with the 2nd main body adhesive portion 62.

(5) detailed construction of surface patch

Then, surface patch 11 is described in detail according to Fig. 4.Fig. 4 is the schematic sectional view of surface patch 11.Surface patch 11 have the 1st layer 111 and the 2nd layers 112.In addition, in Fig. 1, with one layer of diagram surface patch 11, but in detail, surface patch 11 is such as It is constituted by two layers shown in Fig. 4.The skin opposite face of 1st layer of 111 composition absorbent commodity 1.It is configured at the 1st layer 111 for 2nd layer 112 Non-skin with respect to surface side T2.1st layer 111 and the 2nd layers 112 are non-woven fabrics.The diameter of the 2nd layer 112 of fiber is constituted than constituting The diameter of 1st layer 111 of fiber is thick.Specifically, a diameter of 1.3dtex of the 1st layer 111 of fiber, the 2nd layer 112 of fiber A diameter of 2.2dtex.It is highly preferred that the diameter of the 1st layer 111 of fiber is preferably 0.5dtex or more 2.0dtex or less.Pass through Make a diameter of 0.5dtex or more of the 1st layer 111 of fiber, can steadily manufacture non-woven fabrics using the fiber.In addition, passing through So that the diameter of the 1st layer 111 of fiber is less than 2.0dtex, is easy to experience softness when wearer is touched with finger, aftermentioned Also favorable comment has been obtained in embodiment.

The weight per unit area of 2nd layer of fiber can be higher than the weight per unit area of the 1st layer of fiber.Specifically, the 1st The weight per unit area of the fiber of layer 111 is 7g/m², a diameter of 18g/m of the 2nd layer 112 of fiber².Surface patch 11 both can be Their integrations are formed after being individually formed the 1st layer 111 and the 2nd layers 112, it can also be with the 1st layer 111 and the 2nd layers 112 1 The state of body is formed.

(6) constricted zone and uncompressed region

Then, constricted zone 51 and uncompressed region 52 are illustrated.Fig. 5 is absorbent commodity 1 shown in Fig. 1 The figure of constricted zone 51 and uncompressed region 52 is shown in vertical view.Constricted zone 51 and uncompressed region 52 are used in Figure 5 Different oblique line marks indicate.Posterior region S3 has：Constricted zone 51 configures compression unit in the constricted zone 51；And it is non- Compression unit is not configured in the uncompressed region 52 in constricted zone 52.The compression unit for being configured at the constricted zone 51 is to absorbent cores 31 and surface patch 11 compressed made of compression unit, i.e. be set to absorbent cores 31 and surface patch 11 compression unit, in this embodiment party It is compresses in length portion 82 and rear side compression unit 84 in formula.

Constricted zone 51 is equipped with the region at least one of compresses in length portion 82 and rear side compression unit 84.In more detail Ground, constricted zone 51 include：Region configured with compresses in length portion 82；And from this configured with compresses in length portion 82 region to The region that width direction W extends.In addition, constricted zone 51 includes：Region configured with rear side compression unit 84；And from the configuration There is the region that the region of rear side compression unit 84 extends to width direction W.

Uncompressed region 52 is that the compression unit (length of present embodiment for being located at absorbent cores 31 and surface patch 11 is not configured Compression unit 82 and rear side compression unit 84) region.Uncompressed region 52 along width direction W from one end of absorber 30 continuously Extend to the other end.In addition, uncompressed region 52 is to include only to be formed with the region of compression unit, only in lateral plate 12 in surface patch 11 It is formed with the concept in the region of compression unit, the region that compression unit is only formed in absorbent cores 31.In posterior region S3, handed over from front For configured with constricted zone 51, uncompressed region 52, constricted zone 51.

A part set on the absorbent cores 31 of posterior region S3 is configured in uncompressed region 52.It is further preferred, that the The part in 2 low weight per unit area portions 42 extends in uncompressed region 52.2nd low weight per unit area portion, 42 more preferable edge It front-rear direction L and runs through uncompressed region 52.

It uncompressed region 52 can be at least one low weight per unit area portion and at least one high weight per unit area portion 45 overlappings.The uncompressed region 52 of present embodiment and high weight per unit area portion 45, the 2nd low weight per unit area portion 42 and 3rd low weight per unit area portion 43 is overlapped.In uncompressed region 52, the 3rd low weight per unit area portion 43 and high unit area weight Amount portion 45 along front-rear direction L it is alternately stacked configure.In addition, in uncompressed region 52, the 2nd low 42 He of weight per unit area portion High weight per unit area portion 45 along width direction W it is alternately stacked configure.Wearer comforted along front-rear direction L as a result, When uncompressed region 52, the skin to the 3rd low weight per unit area portion 43 can be stroked with respect to surface side T1 and high weight per unit area The skin in portion 45 is with respect to surface side T1.In addition, wearer when comforting uncompressed region 52 along width direction W, can stroke to the 2nd The skin in low weight per unit area portion 42 is with respect to surface side T1 and the skin in high weight per unit area portion 45 with respect to surface side T1.As a result, Skin of the wearer by stroking uncompressed region 52 is easy to the change of the weight per unit area according to absorbent cores 31 with respect to surface side T1 Allelopathic is heaved by absorbent cores 31.

After at least part in uncompressed region 52 can be configured at from the end edge of absorbent commodity 1 to front side extension End regions 53.The length of the front-rear direction L of back-end region 53 is the entire length along front-rear direction L of absorbent commodity 1 25% length.In addition, at least part in uncompressed region 52 is configured at back-end region 53, uncompressed region 52 also may be used To extend forwards than posterior region.In addition, uncompressed region 52 can be configured at the position of the maximum width from buttocks fin 4 On the imaginary line that P1 extends to width direction W.In addition, at least part in uncompressed region 52 is configured on imaginary line.

The length of the front-rear direction L in uncompressed region 52 can be 30mm or more.If 30mm or more, then worn with common Length (15mm~25mm) of the 1st joint of ratio of the finger of the person of wearing (adult) by the position of tip side is compared longer.As a result, with Finger pulp can not touch compression unit when pressing and leave soft impression.In addition, the ratio of the finger if wearer (adult) Twice or so of the length at the position of tip side is leaned in 1st joint, then even if when being stroked with finger or being touched with more fingers It can touch less than compression unit and leave soft impression.

In addition, the length of the front-rear direction L in uncompressed region 52 can be than posterior region S3 front-rear direction L length It is short.Uncompressed region 52 is preferably across the end edge of the adhesive portion 60 of posterior region S3 on front-rear direction L.Wearer is wearing When be intended to the region configured with adhesive portion 60 being pressed against underpants absorbent commodity 1 be fixed on underpants.Specifically, for example, After the crotch zone domain S1 for pressing with finger absorbent commodity 1, the finger is made rearward to move, constantly pressed with hand, until arriving Up to adhesive portion 60 end edge until.By making uncompressed region 52 on front-rear direction L across the adhesive portion 60 of posterior region S3 End edge, due to be pressed against with finger in wearer action at the end of, what finger touched is softer uncompressed area Domain 52, therefore wearer can hold the soft impression of absorbent commodity 1 before it will wear, and expect so as to improve Sense.

After at least part in uncompressed region 52 can be configured at from the end edge of absorbent commodity 1 to front side extension End regions.The result for wearing mode of wearer is investigated it is found that wearer presses with finger absorption when wearing according to applicant Property article near the end edge of absorbent commodity until (back-end region), terminate dress action in the back-end region.And And according to the result for wearing mode of applicant investigation wearer it is found that the range near the end edge of absorbent commodity is Extend 25% model of the entire length along front-rear direction L of absorbent commodity from the end edge of absorbent commodity to front side It encloses.

Since at least part in uncompressed region 52 is set to back-end region, when wearer terminates to wear, dress Person can experience softness.Wearer can be inhaled with experiencing softness before it will wear and generating the state of anticipation and wear The property received article 1.

The position P1 that constricted zone 51 can be configured at the maximum width on the width direction W than buttocks fin 4 leans on rear side Position.In the position P1 of the maximum width than buttocks fin 4 rear side compression unit 84 is equipped with by the constricted zone 51 of rear side.

(7) the dress operation of absorbent commodity

Then, with reference to Fig. 6, an example of the dress operation of absorbent commodity 1 is illustrated.Fig. 6 is schematically Indicate the stereogram of the absorbent commodity 1 in use.When absorbent commodity 1 is dressed in underpants etc., in general, wearer will match The crotch zone domain S1 being placed under the crotch of wearer is fixed on underpants, later, posterior region S3 is fixed on underpants.In more detail, Wearer makes the 1st main body adhesive portion 61 be connected to the crotch region of underpants, and the 2nd main body adhesive portion 62 is made to be connected to underpants The rear of crotch region.Then, wearer turns back flank 3 to the non-skin of underpants with respect to surface side T2, makes flank adhesive portion 63 It is connected to the non-skin opposite face of the crotch region of underpants.In addition, wearer makes buttocks fin adhesive portion 64 be connected to underpants The rear of crotch region.

Wearer contacts skin dough sheet 10, for example, stroking absorption with finger when carrying out a succession of dress operation with hand Property article 1 skin opposite face and press absorbent commodity 1 be fixed by adhesive portion 60 on underpants.For example, wearing The person of wearing strokes skin dough sheet 10 simultaneously after pressing with finger the skin dough sheet 10 of crotch zone domain S1 (part A of Fig. 6) with the finger Finger is rearward moved (the arrow X of Fig. 6), presses with finger the skin dough sheet 10 (part B of Fig. 6) of posterior region S3.Separately Outside, wearer in order to press absorbent commodity 1 on underpants securely, with the portion for including the 1st joint from top of finger Divide and absorbent commodity 1 is pressed against on underpants.It wears in this way, absorbent commodity 1 is fixed in underpants.

(8) effect, effect

When wearer wears absorbent commodity, with finger clamp absorbent commodity or with finger stroke skin dough sheet by Absorbent commodity is pressed against underpants side.At this point, if finger touches always compression unit, wearer experiences always the hard of compression unit Degree, it is difficult to hold soft impression for absorbent commodity.

Since the posterior region S3 of the absorbent commodity 1 in present embodiment is equipped with uncompressed region 52, wearing When person makes finger slide from front side the part A of Fig. 6 (crotch zone domain side) to rear side (the arrow X of Fig. 6), it can touch uncompressed Region 52 (part B of Fig. 6).Wearer at least experiences in certain section when stroking the surface of absorbent commodity 1 with finger Less than compression unit hardness but experience softness.Wearer can grasp the softness of absorbent commodity 1 before dress as a result, Degree, can generate the anticipation of the wearing feeling for absorbent commodity 1.

In addition, according to one embodiment, the diameter of the 1st layer 111 of fiber of the hand touch of wearer is smaller.Due to 1 layer 111 of skin feel is preferable, therefore when wearer is touched with hand can experience softness.In addition, being intended to absorb in wearer Property article 1 when being fixed on underpants etc. and being pressed, be easy to the 2nd layer 112 that the thicker fiber of reason constitutes and by bounce. If wearer was comforted with finger on surface patch 11 as a result, the skin of surface patch 11 is made due to the 2nd layer 112 of bounce It is returned oppositely facing finger side pressure, to which wearer is easy to the skin opposite face with finger constantly touch-surface piece 11.Wearer Due to constantly touching soft the 1st layer 111, the softness of surface patch 11 can be constantly experienced.

In addition, the non-woven fabrics of core backpack body 32 of the composition for coating absorbent cores 31 elongation compared with paper handkerchief is higher.Therefore, When wearer makes the finger of touch absorbent commodity 1 slide or press with finger, the non-woven fabrics as core backpack body 32 extends, and wears The person of wearing is capable of the skin opposite face of being absorbed property article 1 with such sense of touch conveniently.In more detail, with surface patch in finger It is out-of-date to be comforted on the 1st layer 111 of 11, and finger moves on the 1st layer 111 of skin opposite face.At this point, due to the table touched with finger The elongation that the core backpack body 32 positioned at base is compared in face is higher, therefore the core backpack body 32 as base follows the action of finger and stretches It is long.Comforted on the 1st layer 111 of surface patch 11 with finger out-of-date as a result, the 1st layer 111 follows the action of finger and stretch, production Green hand refer to will not be left at once from the 1st layer 111 such sense of touch, the 1st layer 111 of fiber around finger and fiber at leisure from Finger leaves such sense of touch.Therefore, wearer is not constantly to experience softness to put with face.

Wearer is at least not felt by certain section when stroking the skin opposite face of absorbent commodity 1 with finger The hardness of compression unit but experience softness.Wearer can grasp the pliability of absorbent commodity 1 before dress, so as to Generate the anticipation of the wearing feeling for absorbent commodity 1.In addition, in general, the feeling of finger compared with the feeling of buttocks, finger Feeling it is sharper.It is experienced as a result, with finger and soft feels to be easy to leave stronger impression in brains.Therefore, it wears Person is easy to maintain soft impression in dress by experiencing softness with finger.

In addition, according to wearer, in sanitary napkin, the light incontinence pad for using ight, being especially desired to will be rear Side region S3 is firmly secured to underpants.If the posterior region S3 of absorbent commodity 1 is not secured to absorbent commodity 1, wearing When lifting underpants after, absorbent commodity 1 crispaturas and makes that absorbent commodity 1 falls off or absorbent commodity 1 crispaturas and makes adhesive portion It sticks together each other.Therefore, the posterior region S3 of wearer's absorbent commodity 1 to be pressed with finger is fixed in underpants. Since the posterior region T3 in absorbent commodity 1 is equipped with uncompressed region 52, it is intended in wearer posterior region S3 is reliable When ground is fixed, wearer will appreciate that the pliability of absorbent commodity 1.

It is further preferred, that 62 weight of the 2nd main body adhesive portion of at least part in uncompressed region 52 and posterior region S3 It is folded.Wearer is intended to the 2nd main body adhesive portion 62 of posterior region S3 being pressed against when posterior region S3 is firmly secured to underpants On underpants.As a result, by making the 2nd main body adhesive portion 62 and uncompressed region 52 be overlapped, it is intended in wearer viscous by the 2nd main body When socket part 62 fixes posterior region S3, finger is easy to touch uncompressed region 52.Wearer can slap wearing the when of operating The pliability of absorbent commodity 1 is held, the expectation for absorbent commodity 1 can be improved.

Uncompressed region 52 can be overlappingly configured with low weight per unit area portion and high weight per unit area portion 45.Dress Person can stroke high weight per unit area portion 45 and low unit area weight in the skin opposite face for stroking uncompressed region 52 The skin in both amount portions is easy to experience heaving for absorbent cores 31 with respect to surface side T1 by the variation of weight per unit area.

The 3rd low weight per unit area portion 43 as the low weight per unit area portion of width can be spaced apart on front-rear direction L Compartment of terrain is configured with multiple.Wearer, being capable of this multiple 3rd low unit plane by moving finger along front-rear direction when wearing Product weight was comforted in portion.Wearer alternately touches low weight per unit area portion and high weight per unit area portion when wearing operation 45, experience heaving for absorbent cores 31 to be easy to practical because of bumps.

The 2nd low weight per unit area portion 42 as front and back low weight per unit area portion can be Chong Die with uncompressed region 52 Ground configures.2nd low weight per unit area portion 42 becomes the guiding piece extended along front-rear direction L, and wearer is easy to that crotch will be pressed The hand of lower region S1 is rearward slided along the 2nd low weight per unit area portion 42.Wearer by hand along the 2nd low unit area Weight portion 42 touches uncompressed region 52 when rearward moving, so as to experience the softness of absorbent commodity 1.

Uncompressed region 52, which can be configured at, to be extended to width direction W from the position P1 of the maximum width of buttocks fin 4 On imaginary line.Wearer in order to prevent crook by buttocks fin 4, is intended to the buttocks fin 4 that will most be protruded in posterior region S3 most The position P1 of big width is securely fixed.As a result, wearer press with finger the maximum width of buttocks fin 4 position P1, from On the imaginary line that the position P1 of the maximum width extends to width direction W.Due in the position of the maximum width from buttocks fin 4 Uncompressed region 52 is configured on the imaginary line that P1 extends to width direction W, therefore wearer is easy to touch uncompressed region 52, to which wearer can experience softness.

The position P1 that constricted zone 51 can be configured at the maximum width on the width direction W than buttocks fin 4 leans on rear side Position.It is uncompressed on the imaginary line that wearer is extended from the position P1 of the maximum width from buttocks fin to width direction 4 Experience the softness of absorbent commodity 1 in region 52.Moreover, wearer is by making finger rearward be moved from the uncompressed region 52 It is dynamic, touch compression unit, so as to experience absorbent commodity 1 hardness variation.Wearer can be by absorbent commodity 1 The position for changing the end edge to grasp absorbent commodity 1 of the hardness of skin opposite face.As a result, wearer can generate for The anticipation of the wearing feeling of absorbent commodity 1, and can obtain can be reliable until the end edge of absorbent commodity 1 Ground is fixed on reassurance as underpants.

2.0dtex can be less than by constituting the diameter of the 1st layer of fiber.It can according to the result that the applicant conscientiously studies repeatedly Know, wearer can obtain non-woven fabrics and follow finger when touching the non-woven fabrics being made of the fiber less than 2.0dtex with finger Sense of touch.By making the diameter of the fiber of the 1st layer of composition be less than 2.0dtex, wearer is easier to experience the soft of surface patch 11 It is soft.

The lateral border 321E of 1st core backpack body 321 can be configured at the non-skin of absorbent cores 31 with respect to surface side T2 or than absorbing Position of the lateral border of core 31 on the outside of width direction.In other words, the lateral border 321E of the 1st core backpack body 321 can not be configured at The skin of absorbent cores 31 is with respect to surface side T1.It is not formed due to the lateral border of core backpack body 32 in the skin opposite face of absorbent commodity 1 Caused step is easy to the skin opposite face of absorbent commodity 1 maintaining smooth state.Wearer is in touch-surface piece 11 It was difficult to experience the step caused by the presence or absence of core backpack body 32, readily available smooth and soft to skin impression when upper.

Absorbent cores 31 can not locally be compressed, but the density constant of absorbing material.Due to the portion being hardened by compression Position is not set to absorbent cores 31, therefore the region entirety configured with absorbent cores 31 limbers up.Wearer is easy to experience absorbent cores 31 Softness, to be easy to generate the anticipation for wearing feeling.

Can also be the multiple regions that absorbent cores 31 have weight per unit area different, the weight per unit area is different Region is configured to weight per unit area and periodically changes.Since weight per unit area periodically changes in multiple regions, Therefore multiple bumps are formed in the skin opposite face of absorbent commodity 1.Wearer is easy to when being stroked with finger because of absorbent cores 31 bumps and experience and heave.In addition, absorbent cores 31 are easy to deform as basic point using the boundary of variable weight per unit area, from And it is easy to follow the action of body and flexibly deform when wearing.As a result, since absorbent cores 31 follow the action of body, Wearing feeling improves.

(9) comparative evaluation

Then, in order to confirm the present application surface patch non-woven fabrics performance, compare evaluation the present invention Non-woven fabrics (embodiment) and without the present invention structure non-woven fabrics (comparative example) experiment.In the experiment of comparative evaluation, For embodiment and comparative example, the mantle friction about non-woven fabrics, roughness are investigated to evaluate the thick sliding sense of non-woven fabrics Surface characteristic, the compression property for the thickness direction for investigating non-woven fabrics to evaluate the soft or hard sense of non-woven fabrics, and they are carried out Compare.The fibre diameter of the non-woven fabrics of embodiment is different with the fibre diameter of the non-woven fabrics of comparative example.The non-woven fabrics of embodiment Fibre diameter of 1st layer of the fibre diameter than the 2nd layer is thin.Fibre of the fibre diameter than the 2nd layer of the 1st layer of the non-woven fabrics of comparative example It is thick to tie up diameter.

About the experiment of surface characteristic, the automation surface testing machine KES- manufactured using technology of adding (strain) FB4AUTO-A, using the piano wire winding by 0.5mm diameters 10mm × 10mm terminal to 100mm × 100mm of each sample Range apply the load of 25g, so that it is measured the surface characteristic of each sample with the sliding of 1.0mm/ second speed.It is tied according to measuring Fruit finds out the average deviation SMD [μm] of average friction coefficient MIU, its standard deviation MMD, surface roughness.The knot of comparative evaluation Fruit is shown in table 1.MMD becomes the index of the rough situation on surface, and it is more rough to be worth bigger expression.SMD becomes the roughness on surface It is more rough and uneven in surface to be worth bigger expression for index.

【Table 1】

Weight per unit area (g/m²)

1st layer of fibre diameter

2nd layer of fibre diameter

MMD(KES)

SMD(KES)

Embodiment

25

1.3dtex

2.2dtex

MD

0.0068

2.295

Previous example

25

2.8dtex

2.2dtex

MD

0.0092

3.217

For the value of MMD, since embodiment is smaller compared with comparative example, the rough of the surface of embodiment is indicated Situation is excellent.For the value of SMD, since embodiment is significantly smaller compared with comparative example, the nonwoven of embodiment The bumps on the surface of cloth are less.Thus the surface for representing embodiment is less coarse.Due to there is no bumps, finger to be easy on the whole It constantly contacts, and due to no rough, it is smooth that can experience surface.

This measurement is the evaluation result for product length direction.According to the above results, by keeping the 1st layer of fiber straight Diameter is thinner, to not rough, not coarse.That is, it can be said that surface is smooth.Therefore come in fixed process in touch-surface, By (directions MD) along its length product was comforted to fix with finger, it was demonstrated that surface is smooth.

Then, the sense of touch to absorbent commodity when wearing and the comparative evaluation of crooking in and comfort are said It is bright.Table 2 indicates comparative evaluation result.In the experiment of comparative evaluation, absorbent commodity and the comparative example 1 of comparing embodiment 1 and 2 ~5 absorbent commodity, crooking in the sense of touch, use when to wearing and the surface comfort in use are evaluated.It is right For the absorbent commodity of the absorbent commodity of embodiment 1 and embodiment 2 and comparative example 1~4, the 1st layer of surface patch is constituted It is different with the 2nd layer of the diameter of fiber, but other structures are identical.The difference of embodiment and the structure of comparative example is shown in table 2.It is right For the absorbent commodity of the absorbent commodity of embodiment 1 and embodiment 2 and comparative example 5, the shape and composition table of absorbent cores The diameter of the fiber of the layers 1 and 2 of dough sheet is different, but other structures are identical.The absorbent commodity of comparative example 5 is in rear side Region is not provided with low weight per unit area portion and high weight per unit area portion, and the weight per unit area of posterior region is constant.

【Table 2】

To using 100 women of sanitary napkin to implement the experiment of comparative evaluation.In evaluation test, allows implementer to touch and make Sample for object and one night of use, then propose following problem.

" compared with the sanitary napkin usually used, skin feel is soft for problem 1”.For the problem 1 answer, " skin touches Sense is comfortable, skin feel is soft, soft very comfortable " number ratio be 70% or more the sensory evaluation of sample be good It is good, it is evaluated as zero.In addition, answering the number of " skin feel is comfortable, skin feel is soft, soft very comfortable " for problem 1 Ratio less than 70% sample sensory evaluation be it is bad, be evaluated as ×.

Problem 2 " compared with the sanitary napkin usually used, is not crooked (without out of shape) " in dress.This is asked The sensory evaluation for the sample that the ratio that topic 2 answers the number for being " not crooking " or " can securely use " is 70% or more is good It is good, it is evaluated as zero.In addition, the ratio for answering the number of " not crooking " or " can securely use " for problem 2 is less than 70% Sample sensory evaluation be it is bad, be evaluated as ×.

Problem 3 " compared with the sanitary napkin usually used, the wearing feeling in dress is OK ".The problem 3 is answered and " is used Feel " or " fitting feel " number ratio be 70% or more the sensory evaluation of sample be good, be evaluated as zero.In addition, The sensory evaluation that sample of the ratio less than 70% of the number of " use feeling is good " or " fitting is felt " is answered for problem 3 is not It is good, be evaluated as ×.

According to the evaluation result, it is known that preferably, the 1st layer of fibre diameter is 2.0dtex hereinafter, and the 2nd layer Fibre diameter of the fibre diameter than the 1st layer is thick.In more detail, it is known that by make the 1st layer fibre diameter be 2.0dtex hereinafter, And fibre diameter of the 2nd layer of the fibre diameter than the 1st layer is thick, the comfort in sense of touch and use when can obtain wearing. In addition, it is found that the shape of the absorber 30 using the present application, will not crook in use.

More than, the present invention is illustrated in detail using above-mentioned embodiment, but for those skilled in the art For, it is clear that, the present invention is not limited to embodiments in the present specification.The present invention is not being departed from by right Under the premise of the spirit and scope of the present invention that the record of claim is determined, it can implement as modifications and variations.Cause And the purpose of the record of this specification is to illustrate, rather than there is the meaning of any restrictions for the present invention.

In addition, by the whole for the Japan's application for a patent for invention the 2015-219170th filed an application on November 9th, 2015 Content is incorporated into this specification as reference.

Industrial availability

The present invention is capable of providing a kind of wearer can grasp the pliability of absorbent commodity before dress, enable a wearer to energy The absorbent commodity of enough anticipations for generating the wearing feeling for absorbent commodity.

Reference sign

1, absorbent commodity；10, skin dough sheet；11, surface patch；111, the 1st layer；112, the 2nd layer；12, lateral plate；15, the wing Piece；20, non-skin dough sheet；30, absorber；31, absorbent cores；32, core backpack body；321, the 1st core backpack body；322, the 2nd core backpack body； 41, the 1st low weight per unit area portion；42, the 2nd low weight per unit area portion；43, the 3rd low weight per unit area portion；45, Gao Dan Position area weight portion；61, the 1st main body adhesive portion；62, the 2nd main body adhesive portion；63, flank adhesive portion；64, buttocks fin is bonded Portion；81, front side compression unit；82, compresses in length portion；84, rear side compression unit；L, front-rear direction；W, width direction；T, thickness side To；S1, crotch zone domain；S2, front area；S3, posterior region；CL, center line.

Claims

1. a kind of absorbent commodity, has：

Orthogonal front-rear direction and width direction；

Crotch zone domain, is configured under the crotch of wearer；

Posterior region is located at the rear side in the crotch zone domain；

Absorber is configured at the crotch zone domain and the posterior region；

Surface patch is configured at the skin of the absorber with respect to surface side；And

Holding section is used to removably be sticked in underpants, wherein

The absorber has：Absorbent cores, with absorbing material；And core backpack body, it is used to coat the absorbent cores, by nothing Woven fabric is constituted,

The surface patch has：It 1st layer, is made of non-woven fabrics；And the 2nd layer, it is configured at and leans on non-skin than described 1st layer The position of opposite surface side, and be made of non-woven fabrics, which includes the thicker fibre of diameter compared with the 1st layer of the fiber Dimension,

The posterior region has：Constricted zone is configured with compression unit in the constricted zone；And uncompressed region, it is non-at this The compression unit is not configured in constricted zone,

The compression unit is set to the absorbent cores and the surface patch,

The uncompressed region is continuously extended to the other end along the width direction from one end of the absorber.

2. absorbent commodity according to claim 1, wherein

The absorbent cores of the posterior region have：Low weight per unit area portion；And high weight per unit area portion, with institute It is higher compared to weight per unit area to state low weight per unit area portion,

The uncompressed region is Chong Die with the low weight per unit area portion and the high weight per unit area portion.

3. absorbent commodity according to claim 2, wherein

The low weight per unit area portion has the low weight per unit area portion of width extended along the width direction,

The low weight per unit area portion of the width is configured with multiple spaced apartly on the front-rear direction.

4. absorbent commodity according to claim 2 or 3, wherein

The low weight per unit area portion has along low weight per unit area portion before and after front-rear direction extension,

The front and back low weight per unit area portion is overlappingly configured with the uncompressed region.

5. absorbent commodity according to any one of claims 1 to 4, wherein

The length in the front-back direction in the uncompressed region is 30mm or more.

6. absorbent commodity according to any one of claims 1 to 5, wherein

There is side region in the rear the lateral border of the absorbent cores than the crotch zone domain to extend to the outside of width direction Buttocks fin,

The uncompressed region is configured at the vacation extended from the position of the maximum width of the buttocks fin to the width direction Think on line.

7. absorbent commodity according to claim 6, wherein

The position of maximum width in the width direction of the buttocks fin is located at described more front and back than the posterior region The position of rear side is leaned in center on direction,

The constricted zone is configured at the position of the maximum width in the width direction than the buttocks fin by rear side Position.

8. absorbent commodity according to any one of claims 1 to 7, wherein

The diameter for constituting the 1st layer of the fiber is less than 2.0dtex.

9. according to absorbent commodity according to any one of claims 1 to 8, wherein

The width direction center of the core backpack body is configured at the skin of the absorbent cores with respect to surface side,

The lateral border of the core backpack body under the unfolded state of the core backpack body is configured at the skin of the absorbent cores with respect to surface side Or lean on the position on the outside of width direction than the lateral border of the absorbent cores.