CN105764458A

CN105764458A - Absorbent article

Info

Publication number: CN105764458A
Application number: CN201480063571.8A
Authority: CN
Inventors: 根本研; 嶋本达男; 糸井奈美江; 横松弘行
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2013-11-20
Filing date: 2014-11-18
Publication date: 2016-07-13
Anticipated expiration: 2034-11-18
Also published as: WO2015076239A1; JP6080262B2; CN105764458B; JP2015097715A

Abstract

An absorbent article (1) provided with an absorbent core (4), which is long in the front-to-back direction of the absorbent article, and has a discharging area-facing section (B), which is disposed facing the liquid-discharging area of the wearer, and a back section (C), which is disposed behind same. The absorbent core (4) has a front crown region (41) in the middle of the discharging area-facing section (B) in the width direction and a back crown region (42) in the middle of the back section (C) in the width direction. The front crown region (41) and the back crown region (42) are each thicker than the thickness of the surrounding areas (43) of the absorbent core and are each divided by grooves (44) that extend in the width direction (Y) of the absorbent core. Multiple small absorbent parts (45, 48) are formed to line up along the longitudinal direction (X) of the absorbent core (4). The length (c) of the small absorbent parts (48) of the back crown region (42) is shorter than the length (b) of the small absorbent parts (45) of the front crown region (41).

Description

Absorbent commodity

Technical field

The present invention relates to the absorbent commodity such as sanitary napkin, incontinence protection.

Background technology

In the prior art, the sanitary napkin of the ight used as suited for h.d. like that, along the longer absorbent commodity of the length of the length direction of the fore-and-aft direction of wearer, when there is gap between the skin of wearer, there are the following problems: under posture of going to bed, and liquid causes liquid leakage along the Surface runoff of skin to buttocks.

To such end it is known that following technology: high portion in the absorber formation segment thickness of absorbent commodity is thicker, form protrusion in the face relative with skin, thus improve the stickiness to health.But, when forming protrusion in the grammes per square metre partly improving absorber, there are the following problems: the rigidity of protrusion is higher and is difficult to bending, or significantly bending etc. in certain, thus causing easily producing gap between the skin of wearer.

Although additionally, motion has the content middle high part formed at absorber being divided into front and rear part and reduce gap between health in patent documentation 1, but the flexibility for buttocks of fitting is inadequate.In addition, in order to improve stickiness, motion has the content making absorber consolidated block in buttocks corresponding region, but can be too soft when with monolayer formation absorber, owing to the distortion in dress can cause that the block of absorber is separated from one another, there is the problem that leakage occurs.

Prior art literature

Patent documentation

Patent documentation 1: Japanese Unexamined Patent Publication 2006-239162 publication

Patent documentation 2: Japanese Unexamined Patent Publication 2012-143535 publication

Summary of the invention

The present invention provides a kind of absorbent commodity, and it includes the absorbent core of shape longer on the fore-and-aft direction of absorbent commodity, and has: the excretory portion counterpart being oppositely disposed with the fluid drainage portion of wearer；With the rear portion being arranged in than this excretory portion counterpart position rearward.Above-mentioned absorbent core has a Zhong Gao region, front at the central part of the width of above-mentioned excretory portion counterpart, and has Zhong Gao region, rear at the central part of the width in above-mentioned rear portion.The respective thickness in Zhong Gao region, above-mentioned front and Zhong Gao region, above-mentioned rear is more than the thickness of the neighboring area of absorbent core, the slot part that Zhong Gao region, above-mentioned front and Zhong Gao region, above-mentioned rear are extended respectively on the width of this absorbent core every, be formed with the multiple little absorbent portion that the length direction along this absorbent core arranges.The above-mentioned little absorbent portion in Zhong Gao region, above-mentioned rear length on above-mentioned length direction is less than the length on this length direction of the above-mentioned little absorbent portion in Zhong Gao region, above-mentioned front.

Accompanying drawing explanation

Fig. 1 indicates that the axonometric chart of the sanitary napkin of the 1st embodiment of the present invention.

Fig. 2 indicates that the axonometric chart of the absorbent core of the sanitary napkin of Fig. 1.

Fig. 3 is the III-III sectional view of Fig. 1.

Fig. 4 is the IV-IV sectional view of Fig. 1.

Fig. 5 indicates that the schematic section of the deformation state of the absorbent core under the wearing state of the sanitary napkin of Fig. 1.

Fig. 6 (a) and Fig. 6 (b) indicates that the schematic diagram in the cross section circumferentially of the long-pending fine cylinder being preferably used in the manufacture of the absorbent core of the sanitary napkin shown in Fig. 1, Fig. 6 (a) indicates that the figure, Fig. 6 (b) of the state before gathering recess piles up the formation material of absorbent core indicates that the figure piling up the state forming material having absorbent core at gathering recess.

Fig. 7 (a)～Fig. 7 (c) indicates that the top view of the absorbent core of other embodiments of the present invention.

Detailed description of the invention

The problem of the present invention is to provide and a kind of can eliminate the absorbent commodity that above-mentioned existing skill has the disadvantage that.

Hereinafter, with reference to accompanying drawing, based on the preferred embodiment of the present invention, the present invention will be described.

The sanitary napkin 1 (hreinafter referred to as sanitary towel 1) of the first embodiment of the absorbent commodity of the present invention, is adapted for the overnight hygienic band that h.d. uses.Preferred total length is the sanitary towel of more than 30cm.

As it is shown in figure 1, sanitary towel 1 has in the longer absorbent main body 6 of shape of fore-and-aft direction, a pair alar part 7,7 and aileron portion, a pair rear 8,8.About absorbent commodities such as sanitary napkins, so-called " fore-and-aft direction " refers to the direction consistent with the fore-and-aft direction of wearer when dressing.

Sanitary towel 1 has front part A, excretory portion counterpart B and rear portion C at its fore-and-aft direction X, have a pair alar part 7,7 in the left and right sides of the absorbent main body 6 of excretory portion counterpart B, the left and right sides of the absorbent main body 6 of portion C has aileron portion, a pair rear 8,8 in the wings.

In the absorbent commodity of the present invention, excretory portion counterpart B is the part being oppositely disposed with the fluid drainage portion (vaginal orifice etc.) of wearer at the central part of width, front part A is disposed on the ratio excretory portion counterpart B part by the position of the front side (veutro) of wearer, and rear portion B is disposed on than the excretory portion counterpart B part by the position of the dorsal part of wearer.Excretory portion counterpart B, when having alar part as the sanitary towel 1 of present embodiment, is (identical with the length direction of absorbent main body at the fore-and-aft direction of absorbent commodity.X-direction in figure) there is the region of alar part, the region namely clipped by the root of fore-and-aft direction side of alar part and the root of opposite side.In addition, in this manual, skin opposite face is absorbent commodity or its component parts face towards the skin side of wearer when dressing, and non-skin opposite face is absorbent commodity or its component parts side contrary with the skin side of wearer when dressing, namely towards the face of garment side.

As shown in Figure 3 or Figure 4, sanitary towel 1 includes: form the skin lateral plate 2 of skin opposite face；Form the non-skin lateral plate 3 of non-skin opposite face；With the absorbent core 4 being arranged between the two sheet 2,3.Skin lateral plate 2 include liquid permeability positive dough sheet 2a and with a pair stereo enclosure formation sheet 2b, 2b of its two side engagement.The positive dough sheet 2a of liquid permeability at the central part of the width of absorbent main body 6 to configure in the way of the total length of absorbent main body 6.Stereo enclosure formation sheet 2b has return portion 21 that be positioned at the width center side of absorbent main body 6, that turned back laterally, is bonded on positive dough sheet 2a slightly by the junction surface 22 of the position in the outside of width than this return portion 21 being positioned at.Stereo enclosure formation sheet 2b has, near the side edge part 23 of free end forming stereo enclosure, the elastomeric element 24 that stereo enclosure is formed, when dressing, utilizing the contractility of this elastomeric element 24, excretory portion counterpart B erects to the skin side of wearer from the position between above-mentioned junction surface 22 to side edge part 23 and forms stereo enclosure 10.

A pair alar part 7,7 and aileron portion, a pair rear 8,8 include the stereo enclosure formation sheet 2b that extends from the both side edges of absorbent core 4 and non-skin lateral plate 3.In a pair respective face formed by non-skin lateral plate 3 of alar part 7, being provided with the alar part adhesive portion 71 of the non-skin opposite face of crotch part for being fixed on medicated underpants, the non-skin opposite face in absorbent main body 6 is provided with the main body adhesive portion (not shown) of the inner surface for this main body 6 is fixed on medicated underpants.Aileron portion, rear 8 is arranged on the inner surface (face towards skin side) of medicated underpants when dressing.Adhesive portion preferably in the inner surface being also equipped with on the face formed by non-skin lateral plate 3 in aileron portion, rear 8 for being fixed on medicated underpants.Skin lateral plate 2 and non-skin lateral plate 3 utilize bonding agent to be engaged with each other than the circumference of absorbent core 4 part in the outer part, and engages by sealing at the circumference of sanitary towel 1.

Absorbent core 4 in sanitary towel 1 is to include the fiber assembly of the fibrous materials such as paper pulp fiber or maintain the structure of high water absorbency polymer at this fiber assembly.The upper and lower surface of absorbent core 4 is included clad sheet (not shown) cladding of the non-woven fabrics of cotton paper or water penetration.The application target of clad sheet is the conformality spilling, improving absorbent core forming material preventing absorbent core.Between the clad sheet of the skin opposite face side of skin lateral plate 2 and cladding absorbent core 4, between non-skin lateral plate 3 and the clad sheet of non-skin opposite face side being coated with absorbent core 4, it is preferable that by being engaged with each other with the bonding agent of the pattern coatings such as point, spiral, striped.

As in figure 2 it is shown, the absorbent core 4 in sanitary towel 1 has shape longer on the direction identical with the fore-and-aft direction X of sanitary towel 1.Therefore, the length direction of absorbent core 4 is the direction identical with the fore-and-aft direction X of sanitary towel 1, and the transverse direction of absorbent core 4 is the direction identical with the direction of the fore-and-aft direction X being orthogonal to sanitary towel 1.

Additionally, the central part of the width Y that absorbent core 4 is in the excretory portion counterpart B of sanitary towel 1 has a Zhong Gao region, front 41, and the central part of the width Y of portion C in the wings has Zhong Gao region, rear 42.

In sanitary towel 1, Zhong Gao region, front 41 is there is under positive dough sheet 2a, thus at the width central part of the skin opposite face of excretory portion counterpart B, form the front protrusion 11 that the skin side of oriented wearer is prominent, and under positive dough sheet 2a, there is Zhong Gao region, rear 42, thus the width central part of the skin opposite face of portion C forms the rear protrusion 12 that the skin side of oriented wearer highlights in the wings.When rear protrusion 12 is preferably in wear sanitary napkins 1, the gluteal fold with wearer is oppositely disposed.

Zhong Gao region, front 41 is the thickness region more than the thickness of the neighboring area 43 of absorbent core 4, is formed at excretory portion counterpart B.Zhong Gao region, front 41 can only be formed at excretory portion counterpart B, but as shown in Figure 1 or 2, it is preferable that a part of rear portion C is extended to from excretory portion counterpart B.

Additionally, Zhong Gao region, front 41 is separated by the groove portion 44 extended on the width of absorbent core 4, thus, it is formed with the multiple little absorbent portion 45 arranged of the length direction X along absorbent core at absorbent core 4.In addition, in the present embodiment, width central part in Zhong Gao region, front 41 be formed on the length direction X of absorbent core 4 extend groove portion 46, utilize this groove portion 46, the little absorbent portion 45 in Zhong Gao region, front 41 is separated at the width Y of absorbent core 4.

The neighboring area 43 of absorbent core 4 is the region of the ring-type surrounded together with Zhong Gao region, rear 42 in Zhong Gao region, front 41.Additionally, the thickness in Zhong Gao region, front 41 is the thickness of the part beyond the groove portion (groove portion 44, groove portion 46) in Zhong Gao region, front 41, identical with the thickness of little absorbent portion 45.The thickness of the neighboring area 43 of the absorbent core 4 compared with the thickness in Zhong Gao region, front 41, it is the thickness of the part of the left and right sides in located anteriorly middle high region 41 in the neighboring area 43 of absorbent core 4, when the groove portions such as the groove portion 51 that is also formed with on the width Y of absorbent core 4 extending in neighboring area 43 at absorbent core 4 as present embodiment, the groove portion 52 extended on the length direction X of absorbent core 4, it is the thickness of the part being absent from such groove portion.

The thickness in Zhong Gao region, front 41, the viewpoint etc. of the absorbability etc. of the liquid of excretory portion counterpart B is improved from the skin opposite face formation front protrusion 11 prominent to skin in sanitary towel 1, preferably more than the 150% of the thickness of the neighboring area 43 of absorbent core 4, it is more preferably more than 200%, furthermore it is preferred that be less than 500%, it is more preferably less than 300%, furthermore it is preferred that be less than more than 150% 500%, more preferably less than more than 200% 300%.In addition, the difference of the thickness of the thickness in Zhong Gao region, front 41 and the neighboring area 43 of absorbent core 4, namely the former-the latter, it is preferred to more than 2mm, more preferably more than 3.5mm, in addition, it is preferably below 8mm, more preferably below 6mm, in addition, it is preferably more than 2mm below 8mm, more preferably more than 3.5mm below 6mm.

In addition, in the Zhong Gao region, front 41 of absorbent core 4, the thickness in groove portion 44,46 is preferably less than the 67% of the thickness (identical with the thickness in Zhong Gao region, front 41 and little absorbent portion 45) of the part beyond groove portion, more preferably less than 45%, in addition, it is preferably more than 25%, more preferably more than 35%, in addition, it is preferably less than more than 25% 67%, more preferably less than more than 35% 45%.

Additionally, the thickness of each several part of absorbent core, obtain according to the photo measurement of the cross-section end surfaces of the absorbent commodity under non-loaded.

Zhong Gao region, rear 42 is the region that thickness is bigger than the thickness of the neighboring area 43 of absorbent core 4, is formed at rear portion C.Additionally, Zhong Gao region, rear 42 is formed at than position rearward, Zhong Gao region, front 41 on the length direction X of absorbent core 4.

Zhong Gao region, rear 42 is also separated by the groove portion 47 extended on the width of absorbent core 4, thus, is formed with the multiple little absorbent portion 48 arranged of the length direction X along absorbent core at absorbent core 4.Additionally, in the present embodiment, the groove portion that in the wings, high region 42 is formed without on the length direction X of absorbent core 4 extending, the little absorbent portion 48 in Zhong Gao region, rear 42 is not separated on the width Y of absorbent core 4.

The thickness in Zhong Gao region, rear 42 is the thickness of the part beyond the groove portion (groove portion 47) in Zhong Gao region, rear 42, identical with the thickness of little absorbent portion 48.The thickness of the neighboring area 43 of the absorbent core 4 compared with the thickness in Zhong Gao region, rear 42, it is the thickness of the part of the left and right sides being located behind middle high region 42 in the neighboring area 43 of absorbent core 4, when the groove portions such as the groove portion 51 that is also formed with on the width Y of absorbent core 4 extending in the neighboring area 43 of neighboring area 43 at absorbent core 4 as present embodiment, absorbent core 4, the groove portion 52 extended on the length direction X of absorbent core 4, it is the thickness of the part being absent from such groove portion.

The thickness in Zhong Gao region, rear 42, the rear protrusion 12 prominent to skin is formed from the skin opposite face in sanitary towel 1, improve and particularly the viewpoint etc. of the stickiness of gluteal fold is set out relative to health, it is preferred to more than the 130% of the thickness of the neighboring area 43 of absorbent core 4, more preferably more than 180%, in addition, it is preferably less than 300%, more preferably less than 230%, in addition, it is preferably less than more than 130% 300%, more preferably less than more than 180% 230%.In addition, the difference of the thickness of the thickness in Zhong Gao region, rear 42 and the neighboring area 43 of absorbent core 4, namely the former-the latter, it is preferred to more than 0.9mm, more preferably more than 2.7mm, in addition, it is preferably below 4.7mm, more preferably below 4.0mm, in addition, it is preferably more than 0.9mm below 4.7mm, more preferably more than 2.7mm below 4.0mm.

In addition, in the Zhong Gao region, rear 42 of absorbent core 4, the thickness in groove portion 47 is preferably less than the 75% of the thickness (identical with the thickness in Zhong Gao region, rear 42 and little absorbent portion 48) of the part beyond groove portion, it is more preferably less than 55%, furthermore it is preferred that be more than 30%, it is more preferably more than 40%, furthermore it is preferred that be less than more than 30% 75%, more preferably less than more than 40% 55%.

Zhong Gao region, front 41 in present embodiment with Zhong Gao region, rear 42, increases the grammes per square metre (mass area ratio) of the formation material (hereinafter also referred to " core material ") of absorbent core 4 and is formed each compared with the neighboring area 43 of absorbent core 4.That is, the grammes per square metre of the respective core material of little absorbent portion 48 in the little absorbent portion 45 in front Zhong Gao region 41 and Zhong Gao region, rear 42, bigger than the grammes per square metre of the neighboring area 43 of absorbent core 4.Absorbent core 4 in present embodiment, owing to the grammes per square metre of core material being arranged difference and arranging thickness difference, the situation therefore arranging thickness difference from a part for uniform for grammes per square metre absorbent core being compressed is different, and absorbent core 4 is also soft on the whole in neighboring area 43.

Additionally, in the absorbent core 4 of present embodiment, the groove portion 44,46 in Zhong Gao region, front 41 with the groove portion 47 in Zhong Gao region, rear 42, reduces core material and is formed all compared with other positions in Zhong Gao region, front 41 and Zhong Gao region, rear 42.That is, in front Zhong Gao region 41, the grammes per square metre of the core material in groove portion 44,46 is lower than the grammes per square metre of the core material in little absorbent portion 45, additionally, in Zhong Gao region, rear 42, the grammes per square metre of the core material in groove portion 47 is also low than the grammes per square metre of core material in little absorbent portion 48.

In addition, from arrange that the local to the uniform part of grammes per square metre is compressed and to form the situation in groove portion different, in Zhong Gao region, front 41, density in the little absorbent portion of density ratio 45 of the core material in groove portion 44,46 is low, in addition, in Zhong Gao region, rear 42, the density of the core material in groove portion 47 is also low than the density in little absorbent portion 48.

The grammes per square metre of the core material in groove portion 44,46,47 is obtained by following manner: the portion boundary beyond groove portion and this groove portion carries out cutting off and cuts out the sample in groove portion, by the quality of this narrow sample area divided by the face of the skin opposite face side of this sample.The grammes per square metre of the part beyond groove portion is obtained by following manner: cut out the sample of part beyond groove portion 44,46,47, by the quality of this sample area divided by the face of the skin opposite face side of this sample.

In addition, in the absorbent core 4 of present embodiment, as in figure 2 it is shown, the length c on the length direction X of absorbent core 4 of the little absorbent portion 48,48 in Zhong Gao region, rear 42, the ratio little absorbent portion 45,45 in Zhong Gao region, front 41 ... the length b on the length direction X of absorbent core 4 short.On the other hand, the groove portion 47 in the groove portion in Zhong Gao region, rear 42 44 and Zhong Gao region, front 41, the length on the length direction X of absorbent core 4 is equal.

Additionally, in the example shown in Fig. 2, the length b on the length direction X of absorbent core 4 is mutually the same for 5 the little absorbent portions 45 formed in Zhong Gao region 41, front, the length c on the length direction X of absorbent core 4 is also mutually the same for 2 little absorbent portions 48 that in the wings, high region 42 is formed, but when there is length little absorbent portion different from each other in Zhong Gao region, front 41 and/or Zhong Gao region, rear 42, by by the meansigma methods of the little absorbent portion in Zhong Gao region, front 41 compared with the meansigma methods of the little absorbent portion in Zhong Gao region, rear 42, judge that whether the length of the little absorbent portion in Zhong Gao region, rear 42 is shorter than the length of the little absorbent portion in Zhong Gao region, front 41.

Sanitary towel 1 according to present embodiment, in absorbent core 4, it is separated into multiple little absorbent portion 45 by groove portion 44 in the excretory portion counterpart B Zhong Gao region, front 41 formed, and the Zhong Gao region, rear 42 that portion C is formed in the wings is also divided into multiple little absorbent portion 48 by groove portion 47, the length c of the little absorbent portion 48 in Zhong Gao region, rear 42 is shorter than the length b of the little absorbent portion 45 in Zhong Gao region, front 41, therefore the part with Zhong Gao region, front 41 on the length direction X of sanitary towel 1 fits in the fluid drainage portion of wearer, it is rapidly absorbed from drained liquid such as the menses that fluid drainage portion excretes, play excellent absorbability.In addition, rear portion C has the part in Zhong Gao region, rear 42, as shown in Figure 5, flexibly bend in the way of following the skin face shape less than the fluid drainage portion of wearer radius of curvature rearward, also fit well than fluid drainage portion's buttocks opposite segments rearward, it is possible to be reliably prevented liquid and flow to rear along the surface of skin and cause back side leakage.

Further, absorbent core 4 entirety is relatively thin, it is different that absorbent core 4 in uniform thickness is separated into block situation from merely making, owing to making it soft while maintaining Zhong Gao region, front 41, the thickness in Zhong Gao region, rear 42, grammes per square metre, therefore it is not easy to be distorted in sanitary napkin, or destroy absorbent core 4 shape, nor the situation that absorptive capacity is not enough can be there is.

So, the sanitary napkin 1 of present embodiment has the absorbability of excretory portion counterpart B and the flexibility of rear portion C concurrently, will not destroy because of distortion, it is possible to stably absorb, it is possible to be reliably prevented back side leakage when wearing.

Additionally, the sanitary towel 1 of present embodiment, the skin opposite face at absorbent core 4 is formed with above-mentioned groove portion 44,46,47,51,52, and the non-skin opposite face at absorbent core 4 is formed with the pantostrat 59 not cut off by these groove portions.Pantostrat 59 forms a part for the thickness direction at absorbent core 4, more specifically, is formed within the scope of the certain thickness from non-skin opposite face of absorbent core 4.

Due to absorbent core 4 with or without by the groove portion 44 in Zhong Gao region, front, Zhong Gao region, rear groove portion 47 and Zhong Gao region, this front 41 and Zhong Gao region, this rear 42 between the pantostrat 59 of any one cut-out of zone line 53, therefore it is prevented from when wearing destroying because of distortion, and by making the liquid absorbed by each little absorbent portion spread to the little absorbent portion adjacent by pantostrat and neighboring area and absorb and fix this liquid, absorbent core 4 can be effectively utilized, be reliably prevented leakage.

It addition, as in figure 2 it is shown, zone line 53 is in the region between Zhong Gao region, front 41 and Zhong Gao region, this rear 42, thickness is thinner than the respective thickness of little absorbent portion 48 in the little absorbent portion 45 in Zhong Gao region, front 41 and Zhong Gao region, rear 42.

In addition, Zhong Gao region, front 41 in present embodiment, owing to the grammes per square metre of the core material in groove portion 44,46 is lower than the grammes per square metre of the core material of little absorbent portion 45, compared with the situation in the groove portion therefore formed with having the compression by embossing processing etc., rigidity is relatively low, not easily stoping the deformation of core, therefore flexibility is good.Thus, sanitary towel 1 is high for the stickiness in the fluid drainage portion of wearer, it is possible to more improve leak-proof.

From such a viewpoint, in Zhong Gao region, front 41, the grammes per square metre of the core material in groove portion 44,46 is preferably less than the 67% of the grammes per square metre of the core material of the part beyond groove portion 44,46, it is more preferably less than 45%, furthermore it is preferred that be more than 25%, more preferably more than 35%.

In addition, in Zhong Gao region, rear 42 in present embodiment, owing to the grammes per square metre of the core material in groove portion 47 is lower than the grammes per square metre of the core material of little absorbent portion 48, compared with the situation in the groove portion therefore formed with having the compression by embossing processing etc., rigidity is relatively low, not easily stoping the deformation of core, therefore flexibility is good.Thus, sanitary towel 1 flexibly bends in the way of following the skin face shape less than the fluid drainage portion of wearer radius of curvature rearward, than fluid drainage portion's buttocks opposite segments rearward, also there is good stickiness, there is more excellent anti-back side leakage.

From such a viewpoint, in Zhong Gao region, rear 42, the grammes per square metre of the core material in groove portion 47 is preferably less than the 75% of the grammes per square metre of the core material of the part beyond groove portion 47, more preferably less than 55%, furthermore it is preferred that be more than 30%, more preferably more than 40%.

Additionally, in the absorbent core 4 of present embodiment, the meansigma methods of the area of the little absorbent portion 48 in Zhong Gao region, rear 42 is less than the meansigma methods of the area of the little absorbent portion 45 in Zhong Gao region, front 41.Thus, the rear portion C with Zhong Gao region, rear 42 can more flexibly deform, and the sanitary towel 1 preventing property of back side leakage under the state of going to bed is more excellent.From the view point of more reliably obtain the effect above, the meansigma methods of the area of the little absorbent portion 48 in Zhong Gao region, rear 42 is preferably less than the 95% of the meansigma methods of the area of the little absorbent portion 45 in Zhong Gao region, front 41, it is more preferably less than 90%, in addition, it is preferably more than 15%, more preferably more than 50%, in addition, it is preferably less than more than 15% 95%, more preferably less than more than 50% 90%.Additionally, the little absorbent portion 45 as the Zhong Gao region, front in present embodiment, when being separated to form multiple little absorbent portion by the groove portion 46 of alongst X on width Y, make the area of the little absorbent portion that respective area is this part of the part being separated to form in the direction of the width.

In addition, the absorbent core 4 of present embodiment, as shown in Figure 2, longitudinally it is formed with zone line 53 between the Zhong Gao region, front 41 on X and Zhong Gao region, rear 42, the absorbent core 4 of zone line 53 length d (with reference to Fig. 2) longitudinally is more than the respective length in the longitudinal direction in groove portion 47 in the groove portion 44 in Zhong Gao region, front 41 and Zhong Gao region, rear 42, and the thickness of zone line 53 is equal with the thickness of the neighboring area 43 of absorbent core.

By the zone line 53 that the length arranged on length direction compared with groove portion 44,47 between Zhong Gao region, front 41 with Zhong Gao region, rear 42 is bigger, during wear sanitary napkins 1, the deformation state with the part in Zhong Gao region, front 41 can be suppressed to have influence on the deformation state of the part with Zhong Gao region, rear 42, it is possible to balance improves the absorbability in Zhong Gao region, front 41 and the stickiness of rear portion C well.

Further, equal by the thickness of the neighboring area 43 of the thickness Yu absorbent core 4 that make zone line 53, it is obtained in that the deformation state suppressing have the part in Zhong Gao region, front 41 has influence on the effect of the deformation state of the part with Zhong Gao region, rear 42, and is prevented from the distortion in dressing.

From the view point of obtain the effect above of zone line 53 more reliably, the above-mentioned length d (with reference to Fig. 2) of zone line 53, more than 2 times of the length being preferably in the groove portion 44 in Zhong Gao region, front 41 and the respective direction in groove portion 47 in Zhong Gao region, rear 42, it is more preferably more than 3 times, furthermore it is preferred that be less than 25 times, it is more preferably less than 20 times, furthermore it is preferred that be more than 2 times less than 25 times, more preferably more than 3 times less than 20 times.

From the same viewpoint, the above-mentioned length d (with reference to Fig. 2) of zone line 53, it is preferred to more than 15mm, more preferably more than 20mm, furthermore it is preferred that be below 35mm, more preferably below 30mm, furthermore it is preferred that be more than 15mm below 35mm, more preferably more than 20mm below 30mm.Being meant to additionally, the thickness of zone line 53 is equal with the thickness of the neighboring area 43 of absorbent core, the thickness of zone line 53 is less than more than the 80% 120% of the thickness of the neighboring area 43 of absorbent core, and more preferably this ratio is less than more than 90% 110%.

The skin opposite face of the absorbent main body 6 in the sanitary towel 1 of present embodiment and the face of positive dough sheet 2a side, as shown in Figure 1 and Figure 4, being formed with positive dough sheet 2a and absorbent core 4 to cave in integratedly to non-skin lateral plate 3 side and the wire groove 60 that formed, this wire groove 60 has in the both sides in Zhong Gao region, front 41: the pod 61 that the length direction X along absorbent core 4 extends；At front part A and the rear portion C front slot 62 formed in the way of extending in the lateral direction y respectively and rear square groove 63；Zone line 53 between Zhong Gao region, front 41 and Zhong Gao region, rear 42, the middle translot 64 formed in the way of extension on width Y.Wire groove can pass through, with heat or without the press process (so-called embossing processing) of heat or the embossing such as ultrasonic wave embossed processing, to be formed according to usual way.In wire groove, positive dough sheet 2a and absorbent core 4 integration (combination).It addition, the sanitary towel 1 of present embodiment and its absorbent core 4, as it is shown in figure 1, symmetrically formed at the binary centrage of width Y (not shown) about by absorbent main body 6.

The width (length direction on orthogonal with the length direction of wire groove) of wire groove and the degree of depth, same with the wire groove of this absorbent commodity set.Additionally, it is straight line when overlooking that " wire " in so-called wire groove is not limited to the shape of groove (depressed part), also including curve, each line both can be continuous lines, it is also possible to be dashed line.Such as, the row that wire groove can also be formed by discontinuous multiple embossings are constituted.

Middle translot 64 plays a role as bending guide portion.Zhong Gao region, front 41 and Zhong Gao region, rear 42, have the middle translot 64 played a role as bending guide portion by zone line 53 between which, it is possible to middle translot 64 for starting point, with each autokinesis in the motion of the health of wearer ground.Therefore, between Zhong Gao region, front 41 and Zhong Gao region, rear 42, it is prevented that the effect of the impact of deformation each other is improved, not easily leak and do not hinder the motion of wearer, there is comfortable wearing feeling.

On the other hand, pod 61, front slot 62 can suppress the liquid on the direction parallel with the skin opposite face of sanitary napkin 1 to spread with rear square groove 63, are effectively prevented liquid surrounding's leakage from sanitary towel 1.Additionally, middle translot 64 (bending guide portion) in present embodiment, as shown in Figure 1, for the shape being rearward convexly curved, but the bending guide portion such as the middle translot in the present invention both can be the shape that linearity extends on width Y, it is also possible to is the shape being forwards convexly curved.

In addition, the absorbent core 4 of present embodiment, as it has been described above, be formed in Zhong Gao region, front 41 on the length direction X of absorbent core extend groove portion 46, utilizing this groove portion 46, the little absorbent portion 45 in Zhong Gao region, front is separated on the width Y of absorbent core.Therefore, the liquid intake performance in Zhong Gao region, front 41 improves more, has more excellent liquid tight sealed engagement.

Additionally, the absorbent core 4 of present embodiment is overall integrally formed.So-called " integrally formed ", different from the structure that the parts produced by different operations are combined into each other by the juncture such as bonding agent, compression, it is meant to use identical material to be formed one in an engineering.

As shown in Fig. 6 (a), the absorbent core 4 of above-mentioned sanitary towel 1 has made long-pending fine device manufacture, and this long-pending fine device includes: the long-pending fine cylinder 54 outer peripheral face is provided with gathering recess 55, rotating on a direction R；With the outer peripheral face pipeline (not shown) with state supply core material of dispersing amassing fine cylinder 54 to this.

Gathering recess 55 is formed multiple at certain intervals in the circumference of the outer peripheral face of long-pending fine cylinder 54.The bottom surface 56 of gathering recess 55 includes web plate etc., has the substantial amounts of pore played a role as suction hole.

Additionally, as shown in Fig. 6 (a), in the gathering part with the bottom surface 56 of recess 55, it is formed with 2 recesses 56b, 56c for forming Zhong Gao region, front 41 and Zhong Gao region, rear 42.Additionally, be configured with the difficult aeration parts 57 for forming groove portion 44,46 in Zhong Gao region, front 41 in the bottom of recess 56b, it is also configured with being formed the difficult aeration parts 57 in groove portion 47 for high region 42 in the wings in the bottom of recess 56c.Additionally, in the gathering part except recess 56b, 56c with the bottom surface 56 of recess 55, be formed with the difficult aeration parts 58 for forming groove portion 51,52.Difficult aeration parts 57,58 are fixed in the way of prominent from the bottom surface of gathering recess 55, it is also possible to be non-aeration parts, for instance include metal, plastics, pottery etc..

Attract from the bottom surface of gathering recess 55 in the same manner as the known long-pending fine device with long-pending fine cylinder, and in pipeline, supply the core material such as paper pulp fiber, thus, as shown in Fig. 6 (b), core material in gathering is with recess 55 to specify that shape is piled up.By making this deposit 40 from gathering recess 55 demoulding, being absorbed property core 4.Absorbent core 4 before being covered by clad sheet or after covering between pair of rolls by etc. thus pressurized and suitably compressed.Thus, part including the core material piled up on difficult aeration parts 57, become grammes per square metre and the relatively small groove portion 44,46,47 of density, each recess 56b, 56c do not have the part piled up on the bottom surface of difficult aeration parts 57, become grammes per square metre and the relatively large little absorbent portion 45,48 of density.Equally, part beyond recess 56b, 56c, including the part of the core material piled up on difficult aeration parts 58, becomes grammes per square metre and the relatively small groove portion 51,52 of density, accumulation part on the bottom surface without difficult aeration parts 58, becomes grammes per square metre and the relatively large little absorbent portion 45,48 of density.When manufacturing the absorbent core comprising water absorbent polymer, it is preferable that the introduction part of water absorbent polymer is set in the midway of pipeline.

Positive dough sheet 2a, three-dimensional fold formation sheet 2b and non-skin lateral plate 3, it is possible to use the material same with the material used in the art always without special restriction.Such as, can use as positive dough sheet 2a there is the non-woven fabrics of liquid permeability, membrana perforata.The non-woven fabrics of the water-repellancy that the water pressure resistances such as the film of liquid impermeability, the folded non-woven fabrics of spunbond-meltblown-spunbond that synthetic resin makes are high can be used as non-skin lateral plate 3.Additionally, as stereo enclosure formation sheet 2b, it is possible to use the non-woven fabrics of the water-repellancy that water pressure resistance is high, for instance, the folded non-woven fabrics of spunbond-meltblown-spunbond etc..

Above, the present invention is illustrated based on its preferred implementation, but the invention is not restricted to above-mentioned embodiment.

Such as, in the sanitary towel 1 of above-mentioned embodiment, the little absorbent portion 45 in Zhong Gao region, front 41 is separated in the direction of the width by the groove portion 46 extended on the length direction of absorbent core, but the little absorbent portion 45 in the Zhong Gao region, front 41 in the present invention, can not also be separated in the direction of the width (with reference to Fig. 7 (a)) by the groove portion extended on the length direction of absorbent core, outside the little absorbent portion 45 in Zhong Gao region, front 41, the little absorbent portion 48 in Zhong Gao region, rear 42 can also by the length direction of absorbent core extend slot part every.In addition the absorbent core of the present invention can also be, the groove portion 44,47 that Zhong Gao region, front 41 and Zhong Gao region, rear 42 are extended respectively in the horizontal is separated into multiple little absorbent portion 45,48, and the groove portion 46 that the respective little absorbent portion 45,48 in Zhong Gao region, front 41 and Zhong Gao region, rear 42 is extended in the longitudinal direction separates in the direction of the width.Additionally, above-mentioned separation mode can also be the mode shown in Fig. 7 (b).

In addition, in the sanitary towel 1 of above-mentioned embodiment, part beyond the Zhong Gao region, front 41 and Zhong Gao region, rear 42 of absorbent core 4, the groove portion 51 being formed with extension on the width of absorbent core and the groove portion 52 extended on the length direction of absorbent core, but the one or both in them can also be formed without.

Additionally, the bending guide portion formed as the zone line 53 between Zhong Gao region, front 41 and Zhong Gao region, rear 42, it is also possible to the such wire groove of translot 64 in the middle of replacing, the embossing that point-like is set by being intermittently formed multiple recess got deeply stuck in.In addition it is also possible to be not provided with bending guide portion at zone line 53.

Furthermore it is preferred that as shown in Fig. 7 (c), form the side protuberance 49,49 protruding outside of the width to absorbent core 4 in the both sides clipping Zhong Gao region, front 41.The thickness of side protuberance 49,49 can be identical with the thickness of the little absorbent portion 45 in Zhong Gao region, front 41, but preferably thin than the little absorbent portion 45 in Zhong Gao region, front 41.

By arranging side protuberance 49,49, even if wearing position a degree of skew occurs, it is also possible to play absorbent properties fully, and be not susceptible to distortion, reduce uncomfortable sensation, improve liquid tight sealed engagement.

Side protuberance 49,49 is it is also preferred that separated on the length direction of absorbent core 4 by the groove portion 44 extended on the width of absorbent core 4, furthermore it is preferred that be provided with the groove portion thinner than this two-part thickness between Zhong Gao region, front 41 and side protuberance 49.

Additionally, the part pressurization compression in Zhong Gao region, uniform for grammes per square metre front 41 and Zhong Gao region, rear 42 is formed by the groove portion 44,46,47 in Zhong Gao region, front 41 and Zhong Gao region, rear 42 by embossing processing.Additionally, the groove portion 51,52 that part beyond Zhong Gao region, front 41 and Zhong Gao region, rear 42 is formed can also be each by Zhong Gao region, front 41 and Zhong Gao region, rear 42 beyond the compression of part pressurized and formed.

In Zhong Gao region, front 41, on the length direction X of absorbent core 4, the number of the little absorbent portion 45 of arrangement (is 5 in the above-described embodiment, example shown in Fig. 7 (b) is 3), it it is more than 2, it is preferably more than 3, furthermore it is preferred that be less than 10, more preferably less than 5.

In in the wings in high region 42, on the length direction X of absorbent core 4, the number (being 2 in the above-described embodiment) of the little absorbent portion 48 of arrangement, is more than 2, furthermore it is preferred that be less than 5, more preferably less than 3.

In addition, as the sanitary towel 1 of present embodiment, neighboring area at the respective width lateral part in the Zhong Gao region, front 41 of absorbent core 4 and Zhong Gao region, rear 42 and fore-and-aft direction, when existence and groove portion 44,46,47 are positioned at the translot on same line or pod, the diffusibility of body fluid is good, and the tracing ability of action when dressing is high, it is thus preferred to.

Additionally, absorbent core can only be formed by fibrous materials such as paper pulp fibers, it is also possible to comprise both fibrous material and high water absorbency polymer.The various materials all the time used in the absorber of the absorbent commodities such as sanitary napkin, protective pad, disposable diaper can be used without special restriction as fibrous material, for instance the chopped fiber etc. of the synthetic fibers such as the chopped fiber of the cellulosic fibres such as paper pulp fiber, staple fibre, cotton fiber, polyethylene can be used.These fibers can be used alone or in combination of two or more.Additionally, fibrous material preferably all or part of is paper pulp fiber, the ratio of the paper pulp fiber in fibrous material is preferably 50～100 mass %, more preferably 80～100 mass %, more preferably 100 mass %.It addition, in absorbent core, except high water absorbency polymer, it is also possible to mix deodorizer, antibacterial etc. as required.

Additionally, the absorbent commodity of the present invention, except can being sanitary napkin, it is also possible to be other absorbent commodities such as protective pad (leucorrhea pad), incontinence pad, disposable diaper.The element that the above-mentioned part omitted the description in an embodiment and only one embodiment have can also be respectively suitable for other embodiments, additionally, the element of each embodiment can suitably phase double replacement between embodiment.

About above-mentioned embodiment, invention additionally discloses following absorbent commodity.

null< 1 > absorbent commodity，It includes the absorbent core of shape longer on the fore-and-aft direction of absorbent commodity，And there is excretory portion counterpart that the fluid drainage portion with wearer is oppositely disposed and be arranged in the rear portion than this excretory portion counterpart position rearward，In above-mentioned absorbent commodity，The central part of above-mentioned absorbent core width in above-mentioned excretory portion counterpart has Zhong Gao region, front，And the central part of the width in the portion of above-mentioned rear has Zhong Gao region, rear，The respective thickness in Zhong Gao region, above-mentioned front and Zhong Gao region, above-mentioned rear is more than the thickness of the neighboring area of absorbent core，Zhong Gao region, above-mentioned front and Zhong Gao region, above-mentioned rear respectively by the width of this absorbent core extend slot part every，It is formed with the multiple little absorbent portion that the length direction along this absorbent core arranges，The above-mentioned little absorbent portion in Zhong Gao region, above-mentioned rear length on above-mentioned length direction is less than the length on this length direction of the above-mentioned little absorbent portion in Zhong Gao region, above-mentioned front.

< 2 > such as absorbent commodity described in described < 1 >, wherein, above-mentioned absorbent core includes pantostrat, this pantostrat not by the groove portion in Zhong Gao region, above-mentioned front, Zhong Gao region, above-mentioned rear groove portion and in the longitudinal direction any one in zone line between Zhong Gao region, this front and Zhong Gao region, this rear cut off.

< 3 > such as absorbent commodity described in described < 1 > or < 2 >, wherein, in each of Zhong Gao region, above-mentioned front and Zhong Gao region, above-mentioned rear, the grammes per square metre forming material of the above-mentioned absorbent core in above-mentioned groove portion is less than the grammes per square metre forming material of this absorbent core in above-mentioned little absorbent portion.

< 4 > such as absorbent commodity according to any one of described < 1 >～< 3 >, wherein, the meansigma methods of the area of the above-mentioned little absorbent portion in Zhong Gao region, above-mentioned rear is less than the meansigma methods of the area of the above-mentioned little absorbent portion in Zhong Gao region, above-mentioned front.

< 5 > such as absorbent commodity according to any one of described < 1 >～< 4 >, wherein, it is formed with zone line between Zhong Gao region, above-mentioned front and Zhong Gao region, above-mentioned rear on the length direction of above-mentioned absorbent core, this zone line length on the length direction of this absorbent core is more than the length in the groove portion in Zhong Gao region, above-mentioned front and this length direction of each leisure in groove portion (length direction of absorbent core) in Zhong Gao region, above-mentioned rear, the thickness of above-mentioned zone line is equal with the thickness of the neighboring area of above-mentioned absorbent core.

< 6 > such as absorbent commodity described in described < 5 >, wherein, in the bending guide portion that above-mentioned zone line is formed on the width of above-mentioned absorbent core to extend.

< 7 > such as absorbent commodity according to any one of described < 1 >～< 6 >, wherein, be formed in Zhong Gao region, above-mentioned front on the length direction of above-mentioned absorbent core extend groove portion, utilize this groove portion to separate the above-mentioned little absorbent portion in Zhong Gao region, above-mentioned front on the width of absorbent core.

< 8 > such as absorbent commodity according to any one of described < 1 >～< 7 >, wherein, be formed without in Zhong Gao region, above-mentioned rear on the length direction of above-mentioned absorbent core extend groove portion.

< 9 > such as absorbent commodity according to any one of described < 1 >～< 8 >, wherein, at the side protuberance protruding outside of the width forming oriented absorbent core across Zhong Gao region, above-mentioned front, Zhong Gao region, above-mentioned front both sides.

< 10 > such as absorbent commodity according to any one of described < 1 >～< 9 >, wherein, the groove portion extended in the direction of the width it is configured with in the neighboring area of above-mentioned absorbent core, compared with the part beyond this groove portion in above-mentioned neighboring area, in this groove portion, the grammes per square metre forming material of absorbent core is relatively low.

< 11 > such as absorbent commodity according to any one of described < 1 >～< 10 >, wherein, the groove portion extended in the longitudinal direction it is configured with in the neighboring area of above-mentioned absorbent core, compared with the part beyond this groove portion in above-mentioned neighboring area, in this groove portion, the grammes per square metre forming material of absorbent core is relatively low.

< 12 > such as absorbent commodity according to any one of described < 1 >～< 11 >, wherein, Zhong Gao region, above-mentioned rear is compared with Zhong Gao region, above-mentioned front, and the length on width is less.

< 13 > such as absorbent commodity according to any one of described < 1 >～< 12 >, wherein, the groove portion extended in the direction of the width it is configured with at above-mentioned zone line, compared with the part beyond this groove portion in above-mentioned neighboring area, in this groove portion, the formation material grammes per square metre of absorbent core is relatively low.

< 14 > such as absorbent commodity according to any one of described < 1 >～< 13 >, wherein, the groove portion extended in the longitudinal direction it is configured with at above-mentioned zone line, compared with the part beyond this groove portion in above-mentioned neighboring area, in this groove portion, the grammes per square metre forming material of absorbent core is relatively low.

< 15 > such as absorbent commodity according to any one of described < 1 >～< 14 >, wherein, the groove portion extended on above-mentioned length direction in Zhong Gao region, above-mentioned front, being in same line with the groove portion extended in the longitudinal direction of above-mentioned neighboring area and above-mentioned zone line, Zhong Gao region, above-mentioned rear is positioned at least 1 above-mentioned same line.

< 16 > such as absorbent commodity according to any one of described < 1 >～< 15 >, wherein, the groove portion extended on above-mentioned width in Zhong Gao region, above-mentioned rear and the groove location extended in the direction of the width of above-mentioned neighboring area are in same line.

< 17 > such as absorbent commodity according to any one of described < 1 >～< 16 >, wherein, above-mentioned absorbent core is by integrally formed and constitute.

< 18 > such as absorbent commodity according to any one of described < 1 >～< 17 >, wherein, in the above-mentioned neighboring area in above-mentioned rear portion, by the groove portion extended in the direction of the width and the groove portion extended in the longitudinal direction, absorbent core is divided into the little absorbent portion in neighboring area, rear, compared with this little absorbent portion in neighboring area, rear, the area of the little absorbent portion in Zhong Gao region, rear is less.

< 19 > such as absorbent commodity according to any one of described < 1 >～< 18 >, wherein, the outer periphery in Zhong Gao region, above-mentioned front and Zhong Gao region, above-mentioned rear is surrounded by the pressing trough of wire.

< 20 > such as absorbent commodity according to any one of described < 1 >～< 19 >, wherein, width two arranged outside in the excretory portion opposed area of above-mentioned absorbent commodity has a pair alar part.

< 21 > such as absorbent commodity according to any one of described < 1 >～< 20 >, wherein, above-mentioned side protuberance is arranged in the region overlapping in the longitudinal direction with above-mentioned a pair alar part.

< 22 > such as absorbent commodity according to any one of described < 1 >～< 21 >, wherein, above-mentioned absorbent commodity has aileron portion, rear in the width rear portion in above-mentioned rear portion.

< 23 > such as absorbent commodity according to any one of described < 1 >～< 22 >, wherein, in the left and right sides of the fore-and-aft direction along absorbent commodity, it is provided with the stereo enclosure erected to wearer side.

< 24 > such as absorbent commodity described in described < 23 >, wherein, above-mentioned stereo enclosure can erect in above-mentioned excretory portion counterpart, and have stereo enclosure formation sheet in the portion of above-mentioned rear and be fixed in positive dough sheet and be difficult to the part erected.

< 25 > such as absorbent commodity described in described < 23 > or < 24 >, wherein, in the region overlapping in the longitudinal direction with the part being difficult to erect of above-mentioned stereo enclosure, it is configured with Zhong Gao region, above-mentioned rear.

< 26 > such as absorbent commodity according to any one of described < 1 >～< 25 >, wherein, above-mentioned absorbent commodity is the sanitary napkin of more than total length 30cm.

Industrial utilizability

Absorbent commodity according to the present invention, it is possible to obtain the absorbability of excretory portion counterpart and the flexibility in rear portion simultaneously, will not destroy because of distortion when wearing, it is possible to stably absorb, it is possible to be reliably prevented back side leakage.

Claims

1. an absorbent commodity, it includes the absorbent core of shape longer on the fore-and-aft direction of absorbent commodity, and there is excretory portion counterpart that the fluid drainage portion with wearer is oppositely disposed and be arranged in the rear portion than this excretory portion counterpart position rearward, described absorbent commodity is characterised by:

The central part of described absorbent core width in described excretory portion counterpart has a Zhong Gao region, front, and the central part of the width in portion of side in the rear has Zhong Gao region, rear,

The respective thickness in Zhong Gao region, described front and Zhong Gao region, described rear is more than the thickness of the neighboring area of absorbent core, Zhong Gao region, described front and Zhong Gao region, described rear respectively by the width of this absorbent core extend slot part every, it is formed with the multiple little absorbent portion that the length direction along this absorbent core arranges

The described little absorbent portion in Zhong Gao region, described rear length on described length direction is less than the length on this length direction of the described little absorbent portion in Zhong Gao region, described front.

2. absorbent commodity as claimed in claim 1, it is characterised in that:

Described absorbent core includes pantostrat, this pantostrat not by the groove portion in Zhong Gao region, described front, Zhong Gao region, described rear groove portion and in the longitudinal direction any one in zone line between Zhong Gao region, this front and Zhong Gao region, this rear cut off.

3. absorbent commodity as claimed in claim 1 or 2, it is characterised in that:

In each of Zhong Gao region, described front and Zhong Gao region, described rear, the grammes per square metre forming material of the described absorbent core in described groove portion is less than the grammes per square metre forming material of this absorbent core in described little absorbent portion.

4. the absorbent commodity as according to any one of claims 1 to 3, it is characterised in that:

The meansigma methods of the area of the described little absorbent portion in Zhong Gao region, described rear is less than the meansigma methods of the area of the described little absorbent portion in Zhong Gao region, described front.

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

It is formed with zone line between Zhong Gao region, described front and Zhong Gao region, described rear on the length direction of described absorbent core, this zone line length on the length direction of this absorbent core is more than the length on the length direction of the groove portion in Zhong Gao region, described front and each this absorbent core of leisure in groove portion in Zhong Gao region, described rear, and the thickness of described zone line is identical with the thickness of the neighboring area of described absorbent core.

6. absorbent commodity as claimed in claim 5, it is characterised in that:

Described zone line be formed on the width of described absorbent core extend bending guide portion.

7. the absorbent commodity as according to any one of claim 1～6, it is characterised in that:

Be formed in Zhong Gao region, described front on the length direction of described absorbent core extend groove portion, utilize this groove portion to separate the described little absorbent portion in Zhong Gao region, described front on the width of absorbent core.

8. the absorbent commodity as according to any one of claim 1～7, it is characterised in that:

In the rear side in high region be formed without on the length direction of described absorbent core extend groove portion.

9. the absorbent commodity as according to any one of claim 1～8, it is characterised in that:

Side protuberance protruding outside at the width forming oriented absorbent core across Zhong Gao region, described front, Zhong Gao region, described front both sides.

10. the absorbent commodity as according to any one of claim 1～9, it is characterised in that:

Be configured with the groove portion extended in the direction of the width in the neighboring area of described absorbent core, compared with the part beyond this groove portion in described neighboring area, in this groove portion, the grammes per square metre forming material of absorbent core is relatively low.

11. the absorbent commodity as according to any one of claim 1～10, it is characterised in that:

Be configured with the groove portion extended in the longitudinal direction in the neighboring area of described absorbent core, compared with the part beyond this groove portion in described neighboring area, in this groove portion, the grammes per square metre forming material of absorbent core is relatively low.

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

Zhong Gao region, described rear is compared with Zhong Gao region, described front, and the length on width is less.

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

Be configured with the groove portion extended in the direction of the width at described zone line, compared with the part beyond this groove portion in described neighboring area, in this groove portion, the grammes per square metre forming material of absorbent core is relatively low.

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

Be configured with the groove portion extended in the longitudinal direction at described zone line, compared with the part beyond this groove portion in described neighboring area, in this groove portion, the grammes per square metre forming material of absorbent core is relatively low.

15. the absorbent commodity as according to any one of claim 1～14, it is characterised in that:

The groove portion extended on described length direction in Zhong Gao region, described front, is in same line with the groove portion extended in the longitudinal direction of described neighboring area and described zone line, and Zhong Gao region, described rear is located at least in 1 described same line.

16. the absorbent commodity as according to any one of claim 1～15, it is characterised in that:

The groove portion extended on described width in Zhong Gao region, described rear and the groove location extended in the direction of the width of described neighboring area are in same line.

17. the absorbent commodity as according to any one of claim 1～16, it is characterised in that:

Described absorbent core is by integrally formed and constitute.

18. the absorbent commodity as according to any one of claim 1～17, it is characterised in that:

In the rear in the described neighboring area in portion of side, by the groove portion extended in the direction of the width and the groove portion extended in the longitudinal direction, absorbent core is divided into the little absorbent portion in neighboring area, rear, compared with this little absorbent portion in neighboring area, rear, the area of the little absorbent portion in Zhong Gao region, rear is less.

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

The outer periphery in Zhong Gao region, described front and Zhong Gao region, described rear is surrounded by the pressing trough of wire.

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

Width two arranged outside in the excretory portion opposed area of described absorbent commodity has a pair alar part.

21. the absorbent commodity as according to any one of claim 1～20, it is characterised in that:

Described side protuberance is arranged in the region overlapping in the longitudinal direction with the pair of alar part.

22. the absorbent commodity as according to any one of claim 1～21, it is characterised in that:

The width rear portion in described absorbent commodity portion of side in the rear has aileron portion, rear.

23. the absorbent commodity as according to any one of claim 1～22, it is characterised in that:

In the left and right sides of the fore-and-aft direction along absorbent commodity, it is provided with the stereo enclosure erected to wearer side.

24. absorbent commodity as claimed in claim 23, it is characterised in that:

Described stereo enclosure can erect in described excretory portion counterpart, and have stereo enclosure formation sheet in portion of side in the rear and be fixed in positive dough sheet and be difficult to the part erected.

25. the absorbent commodity as described in claim 23 or 24, it is characterised in that:

In the region overlapping in the longitudinal direction with the part being difficult to erect of described stereo enclosure, it is configured with Zhong Gao region, described rear.

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

Described absorbent commodity is the sanitary napkin of more than total length 30cm.