CN105764458B

CN105764458B - Absorbent commodity

Info

Publication number: CN105764458B
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: 2019-10-29
Anticipated expiration: 2034-11-18
Also published as: CN105764458A; WO2015076239A1; JP2015097715A; JP6080262B2

Abstract

Present invention suction provides a kind of absorbent commodity (1), it includes the absorbent core (4) of the longer shape on the front-rear direction of absorbent commodity, and have the excretory portion counterpart (B) being oppositely disposed with the fluid drainage portion of wearer and configuration in the rear part (C) than the position of excretory portion counterpart (B) rearward, absorbent core (4) has high region (41) in front in the width direction central portion of excretory portion counterpart (B), there is the region rear Zhong Gao (42) in the width direction central portion of rear part (C), high region (41) and the rear region Zhong Gao (42) respective thickness are greater than the thickness of the neighboring area (43) of absorbent core in front, the groove portion that high region (41) and the rear region Zhong Gao (42) are extended on the width direction of absorbent core (Y) respectively in front (44) separate, it is formed with multiple small absorption portions (45 of length direction (X) arrangement along absorbent core (4), 48), the length (c) of the small absorption portion (48) of the region rear Zhong Gao (42) is less than the length (b) of the small absorption portion (45) of high region (41) in front.

Description

Absorbent commodity

Technical field

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

Background technique

In the prior art, as being suitable for the sanitary napkin for the ight that h.d. uses, before wearer In the longer absorbent commodity of the length of the length direction of rear direction, there are when gap between the skin of wearer, exist Following problem: under posture of going to bed, liquid to buttocks leads to that liquid leakage occurs along the surface flow of skin.

To such end it is known that following technology: absorbent commodity absorber formed segment thickness it is thicker in high portion, with flesh The opposite face of skin forms protrusion, thus improves the stickiness to body.But in the grammes per square metre and shape of partly raising absorber In the case where at protrusion, there are the following problems: the rigidity of protrusion is higher and is difficult to bending, or in certain substantially bending Deng so as to cause gap is easy to produce between the skin of wearer.

In addition, although motion has the middle high part formed in absorber is divided into front and rear part and is reduced in patent document 1 The content in the gap between body, but the flexibility for being bonded buttocks is inadequate.In addition, in order to improve stickiness, motion There is the content for making absorber consolidated block in buttocks corresponding region, but can be too soft in the case where forming absorber with single layer It is soft, since the block that the distortion in dress will lead to absorber is separated from each other, there are problems that leaking.

Existing technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2006-239162 bulletin

Patent document 2: Japanese Unexamined Patent Publication 2012-143535 bulletin

Summary of the invention

The present invention provides a kind of absorbent commodity comprising the suction of longer shape on the front-rear direction of absorbent commodity The property received core, and include the excretory portion counterpart with the fluid drainage portion of wearer relative configuration；With configuration than the excretory portion phase To the rear part of the position of portion rearward.Above-mentioned absorbent core has in the central portion of the width direction of above-mentioned excretory portion counterpart High region in front, and there is the region rear Zhong Gao in the central portion of the width direction of above-mentioned rear part.It is high in above-mentioned front The respective thickness in region and the region above-mentioned rear Zhong Gao is greater than the thickness of the neighboring area of absorbent core, high region in above-mentioned front The slot part extended in the width direction of the absorbent core respectively with the region above-mentioned rear Zhong Gao is every being formed with along the suction Multiple small absorption portions of the length direction arrangement of the property received core.Above-mentioned small absorption portion in the region above-mentioned rear Zhong Gao is in above-mentioned length Length on direction is less than length of the above-mentioned small absorption portion on the length direction in above-mentioned front in high region.

Detailed description of the invention

Fig. 1 is the perspective view for indicating the sanitary napkin of the 1st embodiment of the invention.

Fig. 2 is the perspective view for indicating the absorbent core of 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 is the schematic cross-section of the deformation state of the absorbent core under the wearing state for indicating the sanitary napkin of Fig. 1 Figure.

Fig. 6 (a) and Fig. 6 (b) be in the manufacture for indicate the absorbent core of sanitary napkin shown in Fig. 1 it is preferable to use The fine cylinder of product section circumferentially schematic diagram, Fig. 6 (a) is to indicate to accumulate the formation material of absorbent core in aggregation recess portion The figure of state before material, Fig. 6 (b) are to indicate to accumulate the figure for having the state of forming material of absorbent core in aggregation recess portion.

Fig. 7 (a)~Fig. 7 (c) is the top view for indicating the absorbent core of other embodiments of the invention.

Specific embodiment

The subject of the invention is to provide the absorbent commodities that one kind can eliminate disadvantage possessed by the above-mentioned prior art.

Hereinafter, based on the preferred embodiment of the present invention, the present invention will be described referring to attached drawing.

The sanitary napkin 1 (hreinafter referred to as sanitary napkin 1) of the first embodiment of absorbent commodity of the invention, It is adapted for the overnight hygienic band that h.d. uses.It is preferred that overall length is the sanitary napkin of 30cm or more.

As shown in Figure 1, sanitary napkin 1 is with the absorbent main body 6 in the longer shape of front-rear direction, a pair of of alar part 7,7 and A pair of of rear aileron portion 8,8.About absorbent commodities such as sanitary napkins, so-called " front-rear direction " refer to wearing when with wear The consistent direction of the front-rear direction of wearer.

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

In absorbent commodity of the invention, excretory portion counterpart B is the liquid of the central portion and wearer in width direction The part of excretory portion (introitus etc.) relative configuration, front part A are disposed on the front side that wearer is depended on than excretory portion counterpart B The part of the position of (veutro), rear part C are disposed on the part than excretory portion counterpart B by the position of the back side of wearer. Excretory portion counterpart B is before and after absorbent commodity in the case where having alar part the sanitary napkin 1 as present embodiment Direction is (identical as the length direction of absorbent main body.X-direction in figure) region with alar part, i.e., by the front-rear direction of alar part The region that the root of side and the root of the other side clip.In addition, in the present specification, skin opposite face be absorbent commodity or For its component parts in wearing towards the face of the skin side of wearer, non-skin opposite face is absorbent commodity or its component parts The side opposite with the skin side of wearer in wearing, i.e., towards the face of garment side.

As shown in Figure 3 or Figure 4, sanitary napkin 1 includes: the skin lateral plate 2 to form skin opposite face；Form non-skin opposite face Non- skin lateral plate 3；With absorbent core 4 of the configuration between the two pieces 2,3.Skin lateral plate 2 include liquid permeability just Dough sheet 2a and a pair of of three-dimensional shield formation piece 2b, the 2b engaged with its two sides.The positive dough sheet 2a of liquid permeability is in absorbability The central portion of the width direction of main body 6 is configured in a manner of the overall length throughout absorbent main body 6.Three-dimensional shield is formed to be had with piece 2b Return portion 21 having the width direction center side positioned at absorbent main body 6, being turned back outward is being located at than the return portion 21 Joint portion 22 slightly by the position in the outside of width direction is bonded on positive dough sheet 2a.Three-dimensional shield formation is vertical in formation with piece 2b This is utilized in wearing with the elastomeric element 24 of three-dimensional shield formation near the side edge part 23 of the free end of body encirclement The convergent force of elastomeric element 24, excretory portion counterpart B from above-mentioned joint portion 22 to the position between side edge part 23 to wearer Skin side erect and form three-dimensional shield 10.

A pair of of alar part 7,7 and a pair of of rear aileron portion 8,8 include the three-dimensional shield extended from the both side edges of absorbent core 4 It is formed and uses piece 2b and non-skin lateral plate 3.In the respective face formed by non-skin lateral plate 3 of a pair of of alar part 7, it is provided with for fixing In the alar part adhesive portion 71 of the non-skin opposite face of the crotch part of shorts, it is provided in the non-skin opposite face of absorbent main body 6 For the main body 6 to be fixed on to the main body adhesive portion (not shown) of the inner surface of shorts.The configuration in wearing of rear aileron portion 8 exists On the inner surface (towards the face of skin side) of shorts.It is preferred that also being set on the face formed by non-skin lateral plate 3 in rear aileron portion 8 It is equipped with the adhesive portion of the inner surface for being fixed on shorts.Than the periphery of absorbent core 4 in skin lateral plate 2 and non-skin lateral plate 3 The part of portion in the outer part is engaged with each other using bonding agent, and is engaged in the peripheral part of sanitary napkin 1 by heat-sealing.

Absorbent core 4 in sanitary napkin 1 be include the fiber assembly of the fibrous materials such as paper pulp fiber or in the fiber Aggregate maintains the structure of high water absorbency polymer.The upper and lower surface of absorbent core 4 is included the nonwoven of cotton paper or water penetration The clad sheet of cloth cladding (not shown).Clad sheet is inhaled using leakage, the raising that purpose is the forming material for preventing absorbent core The conformality of the property received core.Between skin lateral plate 2 and the clad sheet of the opposite surface side of the cladding skin of absorbent core 4, non-skin lateral plate 3 Between the clad sheet of surface side opposite with the cladding non-skin of absorbent core 4, preferably by with the coating of the patterns such as point, spiral, striped Bonding agent be engaged with each other.

As shown in Fig. 2, the absorbent core 4 in sanitary napkin 1 has on direction identical with the front-rear direction X of sanitary napkin 1 Longer shape.Therefore, the length direction of absorbent core 4 is direction identical with the front-rear direction X of sanitary napkin 1, absorbent core 4 Transverse direction be direction identical with the direction of front-rear direction X of sanitary napkin 1 is orthogonal to.

In addition, central portion of the absorbent core 4 in the width direction Y in the excretory portion counterpart B of sanitary napkin 1 has in front High region 41, and there is the region rear Zhong Gao 42 in the central portion of the width direction Y of rear part C.

In sanitary napkin 1, there are regions 41 high in front under positive dough sheet 2a, thus in the flesh of excretory portion counterpart B The width direction central portion of skin opposite face forms the skin side front protrusion 11 outstanding of oriented wearer, and in front There are the rear regions Zhong Gao 42 under piece 2a, are thus formed in the width direction central portion of the skin opposite face of rear part C oriented The skin side of wearer rear protrusion 12 outstanding.Rear protrusion 12 is preferably in wear sanitary napkins 1 and the stern of wearer Ditch relative configuration.

High region 41 is the region of the thickness for the neighboring area 43 that thickness is greater than absorbent core 4 in front, is formed in excretion Portion counterpart B.High region 41 can only be formed in excretory portion counterpart B in front, but as shown in Figure 1 or 2, preferably from row Let out a part that portion counterpart B extends to rear part C.

In addition, high region 41 is separated by the groove portion 44 extended in the width direction of absorbent core 4 in front, In as a result, Absorbent core 4 is formed with multiple small absorption portions 45 of the length direction X arrangement along absorbent core.In addition, in present embodiment In, the width direction central portion in high region 41 is formed with the groove portion extended on the length direction X of absorbent core 4 in front 46, using the groove portion 46, the small absorption portion 45 in high region 41 is separated in the width direction Y of absorbent core 4 in front.

The neighboring area 43 of absorbent core 4 is the ring-type for surrounding in region 41 high in front and the rear region Zhong Gao 42 together Region.In addition, the thickness in high region 41 is other than groove portion (groove portion 44, groove portion 46) in front in high region 41 in front Partial thickness is identical as the thickness in small absorption portion 45.The week of absorbent core 4 compared with the thickness in region 41 high in front The thickness of border region 43 is the part for being located at the left and right sides in high region 41 in front in the neighboring area 43 of absorbent core 4 Thickness is being also formed with the width direction Y in absorbent core 4 in the neighboring area of absorbent core 4 43 as present embodiment The groove portion 51 of upper extension, in the case where the groove portions such as the groove portion 52 extended on the length direction X of absorbent core 4, be there is no this The thickness of the part of the groove portion of sample.

The thickness in high region 41 in front is formed to skin front outstanding from the skin opposite face in sanitary napkin 1 and is swelled Portion 11 and the viewpoint etc. for improving the absorbability of liquid of excretory portion counterpart B etc. are set out, preferably the neighboring area of absorbent core 4 150% or more of 43 thickness, more preferably 200% or more, furthermore it is preferred that be 500% hereinafter, more preferably 300% hereinafter, Furthermore it is preferred that for 150% or more 500% hereinafter, more preferably 200% or more 300% or less.In addition, high region 41 in front Thickness and absorbent core 4 neighboring area 43 thickness difference, i.e., the former-the latter, preferably 2mm or more, more preferably 3.5mm or more, furthermore it is preferred that being 8mm hereinafter, more preferably 6mm is hereinafter, furthermore it is preferred that be 2mm or more 8mm hereinafter, more preferably For 3.5mm or more 6mm or less.

In addition, the thickness of groove portion 44,46 is preferably the part other than groove portion in the front of absorbent core 4 in high region 41 Thickness (identical as the thickness in region 41 high in front and small absorption portion 45) 67% hereinafter, more preferably 45% hereinafter, this Outside, preferably 25% or more, more preferably 35% or more, furthermore it is preferred that be 25% or more 67% hereinafter, more preferably 35% with Upper 45% or less.

In addition, the thickness of each section of absorbent core, according to the photo of the cross-section end surfaces of the absorbent commodity under non-loaded Measurement obtains.

The rear region Zhong Gao 42 is the thickness region bigger than the thickness of the neighboring area 43 of absorbent core 4, is formed in rear Portion C.In addition, the rear region Zhong Gao 42 is formed on the length direction X of absorbent core 4 than region 41 high in front rearward Position.

The rear region Zhong Gao 42 is also separated by the groove portion 47 extended in the width direction of absorbent core 4, is absorbing as a result, Property core 4 be formed with along absorbent core length direction X arrangement multiple small absorption portions 48.In addition, in the present embodiment, In The rear region Zhong Gao 42 is not formed in the groove portion extended on the length direction X of absorbent core 4, the small suction in the rear region Zhong Gao 42 Receipts portion 48 is not separated on the width direction Y of absorbent core 4.

The thickness in the rear region Zhong Gao 42 is the thickness of the part other than the groove portion (groove portion 47) in the rear region Zhong Gao 42, It is identical as the thickness in small absorption portion 48.The neighboring area 43 of absorbent core 4 compared with the thickness in the rear region Zhong Gao 42 Thickness, be absorbent core 4 neighboring area 43 in be located behind middle high region 42 the left and right sides part thickness, as this Embodiment is also formed with the groove portion extended on the width direction Y of absorbent core 4 in the neighboring area of absorbent core 4 43 like that It 51, is the portion there is no such groove portion in the case where the groove portions such as the groove portion 52 extended on the length direction X of absorbent core 4 The thickness divided.

The thickness in the rear region Zhong Gao 42 is formed to skin rear outstanding from the skin opposite face in sanitary napkin 1 and is swelled Portion 12 improves and especially sets out to the viewpoint etc. of the stickiness of gluteal fold relative to body, preferably the neighboring area of absorbent core 4 130% or more of 43 thickness, more preferably 180% or more, furthermore it is preferred that be 300% hereinafter, more preferably 230% hereinafter, Furthermore it is preferred that for 130% or more 300% hereinafter, more preferably 180% or more 230% or less.In addition, the rear region Zhong Gao 42 Thickness and absorbent core 4 neighboring area 43 thickness difference, i.e., the former-the latter, preferably 0.9mm or more, more preferably 2.7mm or more, furthermore it is preferred that be 4.7mm hereinafter, more preferably 4.0mm hereinafter, furthermore it is preferred that be 0.9mm or more 4.7mm with Under, more preferably 2.7mm or more 4.0mm or less.

In addition, the thickness of groove portion 47 is preferably the thickness of the part other than groove portion in the rear region Zhong Gao 42 of absorbent core 4 The 75% of (identical as the thickness in the rear region Zhong Gao 42 and small absorption portion 48) is spent hereinafter, more preferably 55% hereinafter, in addition, excellent It is selected as 30% or more, more preferably 40% or more, furthermore it is preferred that for 30% or more 75% hereinafter, more preferably 40% or more 55% or less.

The respective neighboring area with absorbent core 4 in high region 41 and the rear region Zhong Gao 42 in front in present embodiment 43 compare, and increase the grammes per square metre (mass area ratio) of the forming material (hereinafter also referred to " core material ") of absorbent core 4 and are formed. That is, in front the respective core material in small absorption portion 48 in the small absorption portion 45 in high region 41 and the rear region Zhong Gao 42 grammes per square metre, Grammes per square metre than the neighboring area 43 of absorbent core 4 is big.Absorbent core 4 in present embodiment, since the grammes per square metre to core material is set Set difference and thickness difference be set, thus with a part of the uniform absorbent core of grammes per square metre is compressed and the case where thickness difference is set not Together, absorbent core 4 is also soft on the whole in neighboring area 43.

In addition, in the absorbent core 4 of present embodiment, the groove portion 44,46 in high region 41 and the rear area Zhong Gao in front The groove portion 47 in domain 42 reduces core material and shape compared with other positions in region 41 high in front and the rear region Zhong Gao 42 At.That is, the grammes per square metre of the core material of groove portion 44,46 is lower than the grammes per square metre of the core material in small absorption portion 45 in front in high region 41, In addition, grammes per square metre of the grammes per square metre of the core material of groove portion 47 also than core material in small absorption portion 48 is low in the rear region Zhong Gao 42.

In addition, the case where part of the uniform part of grammes per square metre is compressed and formed a groove from setting is different, in front In high region 41, the density in the small absorption portion 45 of the density ratio of the core material of groove portion 44,46 is low, in addition, the rear region Zhong Gao 42 In, the density of the core material of groove portion 47 is also lower than the density in small absorption portion 48.

The grammes per square metre of the core material of groove portion 44,46,47 is found out by following manner: along the part other than groove portion and the groove portion Boundary cut off and cut out the sample of groove portion, by the quality of the narrow sample divided by the skin of the sample with respect to surface side The area in face.The grammes per square metre of part other than groove portion is found out by following manner: cutting out the sample of the part other than groove portion 44,46,47 Product, by the quality of the sample divided by the area in the face of the opposite surface side of skin of the sample.

In addition, in the absorbent core 4 of present embodiment, as shown in Fig. 2, the small absorption portion 48 in the rear region Zhong Gao 42, The 48 length c on the length direction X of absorbent core 4, the small absorption portion 45,45 ... than region 41 high in front is being inhaled Length b on the length direction X of the property received core 4 is short.On the other hand, the groove portion 44 in high region 41 and the region rear Zhong Gao 42 in front Groove portion 47, the equal length on the length direction X of absorbent core 4.

In addition, in the example shown in Fig. 2, the 5 small absorption portion 45 that high region 41 is formed in front is in absorbent core 4 Length direction X on length b it is mutually the same, the rear region Zhong Gao 42 formed 2 small absorption portion 48 in absorbent core 4 Length c on length direction X is also mutually the same, but there are length for high region 41 and/or the rear region Zhong Gao 42 in front In the case where small absorption portion different from each other, by by the average value in the small absorption portion in region 41 high in front and the area rear Zhong Gao The average value in the small absorption portion in domain 42 compares, and judges whether the length in the small absorption portion in the rear region Zhong Gao 42 is higher than in front The length in the small absorption portion in region 41 is short.

Sanitary napkin 1 according to the present embodiment, in absorbent core 4, the high region in the front that excretory portion counterpart B is formed 41 are separated into multiple small absorption portions 45 by groove portion 44, and are also divided by groove portion 47 in the rear region Zhong Gao 42 that rear part C is formed It is divided into multiple small absorption portions 48, the small absorption of the length c in the small absorption portion 48 in the rear region Zhong Gao 42 than region 41 high in front The length b in portion 45 is short, therefore the part with high region 41 in front on the length direction X of sanitary napkin 1 fits in wearer Fluid drainage portion, the drained liquids such as menses excreted from fluid drainage portion are rapidly absorbed, and play excellent absorbability.This Outside, in rear part C with the region rear Zhong Gao 42 part, as shown in figure 5, with follow than wearer fluid drainage portion rearward The mode of the small skin face shape of the radius of curvature of side is bent flexibly, than the buttocks opposite segments of fluid drainage portion rearward It is bonded well, thus, it is possible to be reliably prevented liquid along the surface of skin and flowing to rear leads to back side leakage.

Further, with merely make absorbent core 4 it is whole it is relatively thin, absorbent core 4 in homogeneous thickness is separated into it is block-like Situation is different, due to making its softness while high region 41, the thickness in the rear region Zhong Gao 42, grammes per square metre in front of maintenance, because This is not easy to be distorted in sanitary napkin, or destroys 4 shape of absorbent core, nor absorptive capacity can occur not The situation of foot.

In this way, the sanitary napkin 1 of present embodiment have both excretory portion counterpart B absorbability and rear part C it is soft It is soft, it will not be destroyed because of distortion when wearing, can steadily be absorbed, be reliably prevented from back side leakage.

In addition, the sanitary napkin 1 of present embodiment, the skin opposite face of absorbent core 4 be formed with above-mentioned groove portion 44, 46,47,51,52, the pantostrat 59 not cut off by these groove portions is formed in the non-skin opposite face of absorbent core 4.Continuously Layer 59 is formed in a part of the thickness direction of absorbent core 4, more specifically, be formed in absorbent core 4 from non-skin phase Within the scope of the certain thickness that opposite is risen.

Since absorbent core 4 has not by the groove portion 44 in region high in front, the groove portion 47 in the rear region Zhong Gao and is somebody's turn to do The pantostrat 59 of any one cutting of the intermediate region 53 in front between high region 41 and the rear region Zhong Gao 42, therefore It can prevent from destroying because of distortion when wearing, and adjacent from the liquid that each small absorption portion absorbs to pantostrat is passed through by making Small absorption portion and neighboring area diffusion and absorb fix the liquid, absorbent core 4 can be effectively utilized, be reliably prevented and let out Leakage.

In addition, as shown in Fig. 2, intermediate region 53 is located in front between high region 41 and the rear region Zhong Gao 42 , thickness it is thinner than the respective thickness in small absorption portion 48 in the small absorption portion 45 in region 41 high in front and the rear region Zhong Gao 42 Region.

In addition, high region 41 in front in present embodiment, since the grammes per square metre of the core material in groove portion 44,46 is than small suction The grammes per square metre of the core material in receipts portion 45 is low, therefore compared with having the case where groove portion formed by the compression of embossing processing etc., Rigidity is lower, is not easy to prevent the deformation of core, therefore flexibility is good.Patch of the sanitary napkin 1 for the fluid drainage portion of wearer as a result, Conjunction property is high, can more improve leak-proof.

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

In addition, in the rear region Zhong Gao 42 in present embodiment, due to groove portion 47 core material grammes per square metre than small absorption The grammes per square metre of the core material in portion 48 is low, therefore compared with having the case where groove portion formed by the compression of embossing processing etc., just Property is lower, is not easy to prevent the deformation of core, therefore flexibility is good.Sanitary napkin 1 is leaned on as a result, with the fluid drainage portion for following than wearer The mode of the small skin face shape of the radius of curvature at rear is bent flexibly, than the buttocks opposite segments of fluid drainage portion rearward Also there is good stickiness, there is more excellent anti-back side leakage.

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

In addition, in the absorbent core 4 of present embodiment, the average value of the area in the small absorption portion 48 in the rear region Zhong Gao 42 Average value than the area in the small absorption portion 45 in region 41 high in front is small.As a result, with the rear part C in the region rear Zhong Gao 42 It can more flexibly deform, back side leakage preventing property of the sanitary napkin 1 under the state of going to bed is more excellent.From more reliably obtaining From the perspective of obtaining said effect, the average value of the area in the small absorption portion 48 in the rear region Zhong Gao 42 is preferably the front area Zhong Gao The average value of the area in the small absorption portion 45 in domain 41 95% hereinafter, more preferably 90% hereinafter, furthermore it is preferred that for 15% with On, more preferably 50% or more, furthermore it is preferred that for 15% or more 95% hereinafter, more preferably 50% or more 90% or less.Separately Outside, in as the front in present embodiment the small absorption portion 45 in high region, by the groove portion 46 of alongst X in width In the case where being separated to form multiple small absorption portions on degree direction Y, make the respective of the part being separated to form in the direction of the width Area be the part small absorption portion area.

In addition, the absorbent core 4 of present embodiment, as shown in Fig. 2, in the front on length direction X high region 41 with Intermediate region 53 is formed between the rear region Zhong Gao 42, the absorbent core 4 of intermediate region 53 (is joined in the length d of length direction According to Fig. 2) it is greater than the length of the groove portion 44 in high region 41 and the groove portion 47 in the rear region Zhong Gao 42 respectively in the longitudinal direction in front Degree, the thickness of the neighboring area 43 of the thickness and absorbent core of intermediate region 53 are same.

By in region 41 high in front with being arranged compared with groove portion 44,47 on length direction between the rear region Zhong Gao 42 The bigger intermediate region 53 of length be able to suppress the change of the part with region 41 high in front during wear sanitary napkins 1 Shape state influences the deformation state of the part with the rear region Zhong Gao 42, can balance improve front Zhong Gao area well The absorbability in domain 41 and the stickiness of rear part C.

Further, it by keeping the thickness of intermediate region 53 and the thickness of the neighboring area 43 of absorbent core 4 same, can obtain The deformation state of the part with region 41 high in front must be inhibited to influence the deformation of the part with the rear region Zhong Gao 42 The effect of state, and the distortion in wearing can be prevented.

From the viewpoint of the said effect for more reliably obtaining intermediate region 53, the above-mentioned length d (ginseng of intermediate region 53 According to Fig. 2), the respective length in this direction of groove portion 47 of the groove portion 44 and the rear region Zhong Gao 42 in high region 41 preferably in front The 2 times or more of degree, more preferably 3 times or more, furthermore it is preferred that for 25 times hereinafter, more preferably 20 times hereinafter, furthermore it is preferred that be 2 Times or more 25 times hereinafter, more preferably 3 times or more 20 times or less.

From the same viewpoint, above-mentioned length d (referring to Fig. 2), the preferably 15mm or more of intermediate region 53, more preferably For 20mm or more, furthermore it is preferred that be 35mm hereinafter, more preferably 30mm hereinafter, furthermore it is preferred that be 15mm or more 35mm hereinafter, More preferably 20mm or more 30mm or less.In addition, the thickness of the neighboring area 43 of the thickness and absorbent core of intermediate region 53 is same Deng meaning, 80% or more 120% of the thickness of the neighboring area 43 with a thickness of absorbent core of intermediate region 53 is hereinafter, more It is preferred that the ratio is 90% or more 110% or less.

The skin opposite face of absorbent main body 6 in the sanitary napkin 1 of present embodiment, that is, side positive dough sheet 2a face is such as schemed Shown in 1 and Fig. 4, it is formed with the linear slot that positive dough sheet 2a and absorbent core 4 are integrally recessed to non-3 side of skin lateral plate and are formed 60, the threadiness slot 60 two sides in high region 41 in front include the cannelure 61 of the length direction X extension along absorbent core 4； In front part A and rear part the C front slot 62 formed in a manner of extending in the lateral direction y respectively and rear square groove 63；In front Intermediate region 53 between high region 41 and the rear region Zhong Gao 42, the centre formed in a manner of extending on width direction Y Translot 64.Linear slot can be by with warm or without the press process (so-called embossing processing) or ultrasonic wave pressure of heat It the embossing processinges such as spends, is formed according to usual way.In linear slot, positive dough sheet 2a and absorbent core 4 are integrated (in conjunction with).Separately Outside, the sanitary napkin 1 of present embodiment and its absorbent core 4, as shown in Figure 1, about by absorbent main body 6 in width direction Y bis- The center line (not shown) of equal part is symmetrically formed.

The width (length on the direction orthogonal with the length direction of linear slot) and depth of linear slot, with this absorbability The linear slot of article is equally set.In addition, the shape that " threadiness " in so-called threadiness slot is not limited to slot (recessed portion) exists It is straight line when vertical view, also includes curve, each line is also possible to dashed line either continuous lines.For example, linear slot can also be by Discontinuous multiple point embossings are formed by column and constitute.

Intermediate translot 64 plays a role as bending guide portion.High region 41 and the rear region Zhong Gao 42, pass through in front Intermediate region 53 between them has the intermediate translot 64 to play a role as bending guide portion, can be with intermediate translot 64 For starting point, with the motion of the body of wearer each autokinesis.Therefore, high region 41 and the region rear Zhong Gao in front Between 42, the effect of the influence of mutual deformation is prevented to be improved, is not easy to leak and do not hinder the movement of wearer, has and relax Suitable wearing feeling.

On the other hand, cannelure 61, front slot 62 and rear square groove 63 are able to suppress opposite with the skin of sanitary napkin 1 Liquid diffusion on the parallel direction in face, is effectively prevented liquid and leaks around sanitary napkin 1.In addition, in present embodiment Intermediate translot 64 (bending guide portion), as shown in Figure 1, for the shape that is rearward convexly curved, but in the present invention in Between the bendings guide portion such as translot either the shape linearly extended on width direction Y, is also possible to forwards projectedly Curved shape.

In addition, the absorbent core 4 of present embodiment, as described above, high region 41 is formed in absorbent core in front Length direction X on the groove portion 46 that extends, using the groove portion 46, width of the small absorption portion 45 in high region in absorbent core in front Separated on degree direction Y.Therefore, the liquid intake performance in high region 41 more improves in front, has more excellent liquidproof Leaks.

In addition, the absorbent core 4 of present embodiment is whole integrally formed.It is so-called " integrally formed ", and it will be by different works The component that sequence produces is different each other by the structure that the junctures such as bonding agent, compression are combined into, and means using identical Material is formed one in an engineering.

As shown in Fig. 6 (a), the absorbent core 4 of above-mentioned sanitary napkin 1 makes have the fine device manufacturing of product, which includes: The fine cylinder 54 of product rotated on aggregation recess portion 55, in one direction R is provided in outer peripheral surface；With the outer peripheral surface to the product fibre cylinder 54 With the pipeline (not shown) for state supply core material of dispersing.

Aggregation is formed in the circumferential direction of the outer peripheral surface of the fine cylinder 54 of product multiple at certain intervals with recess portion 55.Assemble with recessed The bottom surface 56 in portion 55 has a large amount of pore to play a role as suction hole including web plate etc..

In addition, as shown in Fig. 6 (a), a part in the bottom surface 56 of aggregation recess portion 55 is formed with and is used to form in front 2 recess portions 56b, the 56c in high region 41 and the rear region Zhong Gao 42.In addition, being configured in the bottom of recess portion 56b in front Middle high region 41 forms a groove 44,46 difficult aeration component 57, is also configured in the bottom of recess portion 56c for high in rear Region 42 forms a groove 47 difficult aeration component 57.In addition, the bottom surface of aggregation recess portion 55 56 remove recess portion 56b, 56c with Outer part is formed with the difficult aeration component 58 for being used to form groove portion 51,52.Difficult aeration component 57,58 from aggregation to use The bottom surface of recess portion 55 mode outstanding is fixed, and is also possible to non-ventilating property component, for example including metal, plastics, ceramics etc..

Attracted in the same manner as the fine device of well known product with the fine cylinder of product from aggregation with the bottom surface of recess portion 55, and to The core materials such as supply paper pulp fiber in pipeline, as a result, as shown in Fig. 6 (b), core material is in aggregation recess portion 55 to provide shape Accumulation.By demoulding the deposit 40 from aggregation recess portion 55, being absorbed property core 4.Absorbent core 4 is covered by clad sheet It is suitably compressed by equal to be pressurized between a pair of rolls before or after covering.It is included in difficult aeration as a result, The part for the core material accumulated on component 57 becomes grammes per square metre and the relatively small groove portion 44,46,47 of density, in each recess portion 56b, 56c In do not have the part accumulated on the bottom surface of difficult aeration component 57, become grammes per square metre and the relatively large small absorption portion 45,48 of density. Equally, the part other than recess portion 56b, 56c becomes gram including the part for the core material accumulated on difficult aeration component 58 Weight and the relatively small groove portion 51,52 of density accumulate part on the bottom surface for not having difficult aeration component 58, become grammes per square metre and close Spend relatively large neighboring area 43 and intermediate region 53.When manufacture includes the absorbent core of water absorbent polymer, preferably in pipe The introduction part of the midway setting water absorbent polymer in road.

Positive dough sheet 2a, three-dimensional fold, which are formed, uses piece 2b and non-skin lateral plate 3, be able to use in the art always The same material of the material used is without especially limiting.For example, being able to use as positive dough sheet 2a with liquid permeability Non-woven fabrics, membrana perforata.It is molten that the film of liquid impermeability, spunbond-made of synthetic resin are able to use as non-skin lateral plate 3 The non-woven fabrics of the high water-repellancies of water pressure resistances such as spray-spunbond stacking non-woven fabrics.In addition, as three-dimensional shield formation piece 2b, it can Using the non-woven fabrics of the high water-repellancy of water pressure resistance, for example, spunbond-meltblown-spunbond folds non-woven fabrics etc..

More than, to the present invention is based on its preferred embodiments to be illustrated, but the present invention is not limited to above-mentioned implementations Mode.

For example, the small absorption portion 45 in high region 41 is by absorbability in front in the sanitary napkin 1 of above-mentioned embodiment The groove portion 46 extended on the length direction of core separates in the direction of the width, but in the front in the present invention high region 41 small suction Receipts portion 45, the groove portion that can not also be extended on the length direction of absorbent core separate in the direction of the width (referring to Fig. 7 (a)), in front except the small absorption portion 45 in high region 41, the small absorption portion 48 in the rear region Zhong Gao 42 can also inhaled On the length direction of the property received core the slot part that extends every.Furthermore absorbent core of the invention is also possible to high region 41 in front Multiple small absorption portions 45,48, and front are separated into the groove portion 44,47 that the rear region Zhong Gao 42 is horizontally extended respectively The groove portion 46 that the respective small absorption portion 45,48 in middle high region 41 and the rear region Zhong Gao 42 is extended in the longitudinal direction is in width Separate on direction.In addition, above-mentioned separation mode is also possible to mode shown in Fig. 7 (b).

In addition, in the sanitary napkin 1 of above-mentioned embodiment, in the front of absorbent core 4 in high region 41 and rear Part other than high region 42 is formed with the groove portion 51 extended in the width direction of absorbent core and the length in absorbent core The groove portion 52 just upwardly extended, but one or both of they can not also be formed.

In addition, drawing as the bending that the intermediate region 53 between region 41 high in front and the rear region Zhong Gao 42 is formed Portion is led, also can replace threadiness slot as intermediate translot 64, is arranged and being intermittently formed multiple recess portions got deeply stuck in dotted Embossing.In addition it is also possible to be not provided with bending guide portion in intermediate region 53.

Furthermore it is preferred that the two sides in high region 41 form the width to absorbent core 4 in clipping front as shown in Fig. 7 (c) The outside in direction side protruding portion 49,49 outstanding.The thickness of side protruding portion 49,49 can be small with region 41 high in front The thickness in absorption portion 45 is identical, it is preferred that thinner than the small absorption portion 45 in high region 41 in front.

By the way that side protruding portion 49,49 is arranged, even if wearing position occurs a degree of offset, also can fully send out Absorbent properties are waved, and are not susceptible to distort, reduce uncomfortable feeling, improve liquid tight sealed engagement.

Side protruding portion 49,49 it is also preferred that the groove portion 44 extended in the width direction of absorbent core 4 in absorbent core 4 Length direction on separate, furthermore it is preferred that being provided between region 41 high in front and side protruding portion 49 than this two parts The thin groove portion of thickness.

In addition, the groove portion 44,46,47 in high region 41 and the rear region Zhong Gao 42 respectively is also possible to pass through embossing in front What processing formed a part pressurization compression in high region 41 and the rear region Zhong Gao 42 in the uniform front of grammes per square metre.In addition, The groove portion 51,52 that part in front other than high region 41 and the rear region Zhong Gao 42 is formed respectively is also possible to will be in front Other than high region 41 and the rear region Zhong Gao 42 part pressurized compression and formed.

In front in high region 41, the number (In in the small absorption portion 45 arranged on the length direction X of absorbent core 4 It is 5 in above-mentioned embodiment, is 3 in the example shown in Fig. 7 (b)), it is 2 or more, preferably 3 or more, this Outside, preferably 10 hereinafter, more preferably 5 or less.

In the rear region Zhong Gao 42, the number (In in the small absorption portion 48 arranged on the length direction X of absorbent core 4 It is 2 in above-mentioned embodiment), it is 2 or more, furthermore it is preferred that for 5 hereinafter, more preferably 3 or less.

It is high in high region 41 and rear in the front of absorbent core 4 in addition, as the sanitary napkin 1 of present embodiment The respective width direction outside portion in region 42 and in the front-back direction neighboring area exist and are located on same line with groove portion 44,46,47 Translot or cannelure when, the diffusivity of body fluid is good, and the tracing ability of movement when to wearing is high, therefore preferably.

In addition, absorbent core can be formed only by fibrous materials such as paper pulp fibers, fibrous material and high suction also may include Both waterborne polymerics.It is able to use all the time as fibrous material in sanitary napkin, protection pad, disposable diaper etc. A variety of materials used in the absorber of absorbent commodity are without especially limiting, such as are able to use paper pulp fiber, artificial fibre The staple fiber etc. of the synthetic fibers such as staple fiber, the polyethylene of the cellulosic fibres such as dimension, cotton fiber.These fibers can individually make With a kind or two or more is applied in combination.In addition, fibrous material preferably all or part of be paper pulp fiber, the paper in fibrous material The ratio of pulp fibres is preferably 50~100 mass %, more preferably 80~100 mass %, further preferably 100 mass %. In addition, other than high water absorbency polymer, deodorant, antibacterial agent etc. can also be mixed as needed in absorbent core.

In addition, absorbent commodity of the invention can also be protection pad (leukorrhea other than it can be sanitary napkin Gasket), incontinence pad, other absorbent commodities such as disposable diaper.The part omitted the description in an above-mentioned embodiment Other embodiments can also be respectively suitable for constituent element possessed by only one embodiment, in addition, each embodiment Constituent element being capable of the suitably phase double replacement between embodiment.

About above-mentioned embodiment, invention additionally discloses absorbent commodities below.

A kind of absorbent commodity of 1 > of < comprising the absorbability of longer shape on the front-rear direction of absorbent commodity Core, and there is the excretory portion counterpart being oppositely disposed with the fluid drainage portion of wearer and configuration to lean on than the excretory portion counterpart The rear part of the position at rear, in above-mentioned absorbent commodity, width side of the above-mentioned absorbent core in above-mentioned excretory portion counterpart To central portion have front in high region, and the central portion of the width direction in above-mentioned rear part have the area rear Zhong Gao Domain, the respective thickness in high region and the region above-mentioned rear Zhong Gao is greater than the thickness of the neighboring area of absorbent core in above-mentioned front, The slot part that high region and the region above-mentioned rear Zhong Gao are extended in the width direction of the absorbent core respectively in above-mentioned front Every, multiple small absorption portions of the length direction arrangement along the absorbent core are formed with, it is above-mentioned in the region above-mentioned rear Zhong Gao Small absorption portion is less than the above-mentioned small absorption portion in above-mentioned front in high region in the length side in the length on above-mentioned length direction Upward length.

Absorbent commodity of 2 > of < as described in 1 > of <, wherein above-mentioned absorbent core includes pantostrat, the pantostrat Not by the groove portion in high region, the groove portion in the region above-mentioned rear Zhong Gao in above-mentioned front and it is located in the front in the longitudinal direction The cutting of any one of intermediate region between high region and the rear region Zhong Gao.

Absorbent commodity of 3 > of < as described in 1 > of < or 2 > of <, wherein in above-mentioned front high region and it is above-mentioned after The region Fang Zhonggao it is each in, the grammes per square metre of the forming material of the above-mentioned absorbent core in above-mentioned groove portion is less than in above-mentioned small absorption portion The absorbent core forming material grammes per square metre.

Absorbent commodity of 4 > of < as described in any one of described 1 > of <~<, 3 >, wherein the region above-mentioned rear Zhong Gao In above-mentioned small absorption portion area average value be less than the above-mentioned small absorption portion in above-mentioned front in high region area it is flat Mean value.

Absorbent commodity of 5 > of < as described in any one of described 1 > of <~<, 4 >, wherein in above-mentioned absorbent core It is formed with intermediate region between high region and the region above-mentioned rear Zhong Gao in above-mentioned front on length direction, which exists Length on the length direction of the absorbent core is greater than the groove portion in high region and the slot in the region above-mentioned rear Zhong Gao in above-mentioned front Length on each comfortable length direction (length direction of absorbent core) in portion, the thickness of above-mentioned intermediate region and above-mentioned absorbability The thickness of the neighboring area of core is same.

Absorbent commodity of 6 > of < as described in 5 > of <, wherein be formed in above-mentioned intermediate region in above-mentioned absorption The bending guide portion extended in the width direction of property core.

Absorbent commodity of 7 > of < as described in any one of described 1 > of <~<, 6 >, wherein in the area above-mentioned front Zhong Gao Domain is formed with the groove portion extended on the length direction of above-mentioned absorbent core, using the groove portion in the width direction of absorbent core Separate the above-mentioned small absorption portion in high region in above-mentioned front.

Absorbent commodity of 8 > of < as described in any one of described 1 > of <~<, 7 >, wherein in the area above-mentioned rear Zhong Gao Domain is not formed in the groove portion extended on the length direction of above-mentioned absorbent core.

Absorbent commodity of 9 > of < as described in any one of described 1 > of <~<, 8 >, wherein in above-mentioned front The outside for the width direction that the two sides in high region form oriented absorbent core in high region, above-mentioned front side outstanding is prominent Portion.

Absorbent commodity of 10 > of < as described in any one of described 1 > of <~<, 9 >, wherein in above-mentioned absorbent core Neighboring area configured with the part phase other than the groove portion in groove portion extended in the direction of the width, with above-mentioned neighboring area Than the grammes per square metre of the forming material of absorbent core is lower in the groove portion.

Absorbent commodity of 11 > of < as described in any one of described 1 > of <~<, 10 >, wherein in above-mentioned absorbent core Neighboring area be configured with the groove portion that extends in the longitudinal direction, with the part phase other than the groove portion in above-mentioned neighboring area Than the grammes per square metre of the forming material of absorbent core is lower in the groove portion.

Absorbent commodity of 12 > of < as described in any one of described 1 > of <~<, 11 >, wherein the area above-mentioned rear Zhong Gao Compared with region high in above-mentioned front, the length in width direction is smaller in domain.

Absorbent commodity of 13 > of < as described in any one of described 1 > of <~<, 12 >, wherein in above-mentioned intermediate region Configured with groove portion extended in the direction of the width, compared with the part other than the groove portion in above-mentioned neighboring area, in the groove portion The forming material grammes per square metre of middle absorbent core is lower.

Absorbent commodity of 14 > of < as described in any one of described 1 > of <~<, 13 >, wherein in above-mentioned intermediate region Configured with the groove portion extended in the longitudinal direction, compared with the part other than the groove portion in above-mentioned neighboring area, in the groove portion The grammes per square metre of the forming material of middle absorbent core is lower.

Absorbent commodity of 15 > of < as described in any one of described 1 > of <~<, 14 >, wherein the area above-mentioned front Zhong Gao The groove portion extended on above-mentioned length direction in domain, the extension in the longitudinal direction with above-mentioned neighboring area and above-mentioned intermediate region Groove portion be in same line, the region above-mentioned rear Zhong Gao is located at least 1 above-mentioned same line.

Absorbent commodity of 16 > of < as described in any one of described 1 > of <~<, 15 >, wherein the area above-mentioned rear Zhong Gao The groove portion extended in above-mentioned width direction in domain is located at identical with the groove portion extended in the direction of the width of above-mentioned neighboring area On line.

Absorbent commodity of 17 > of < as described in any one of described 1 > of <~<, 16 >, wherein above-mentioned absorbent core is logical It crosses integrally formed and constitutes.

Absorbent commodity of 18 > of < as described in any one of described 1 > of <~<, 17 >, wherein in above-mentioned rear part In above-mentioned neighboring area, the groove portion extended by groove portion extended in the direction of the width and in the longitudinal direction draws absorbent core It is divided into the small absorption portion in rear neighboring area, compared with the small absorption portion in the rear neighboring area, the small absorption portion in the rear region Zhong Gao Area it is smaller.

Absorbent commodity of 19 > of < as described in any one of described 1 > of <~<, 18 >, wherein the area above-mentioned front Zhong Gao The outer periphery in domain and the region above-mentioned rear Zhong Gao is surrounded by linear pressing trough.

Absorbent commodity of 20 > of < as described in any one of described 1 > of <~<, 19 >, wherein in above-mentioned absorbability object A pair of of alar part is provided on the outside of width direction two in the excretory portion opposed area of product.

Absorbent commodity of 21 > of < as described in any one of described 1 > of <~<, 20 >, wherein above-mentioned side protruding portion It configures in the region be overlapped in the longitudinal direction with above-mentioned a pair of of alar part.

Absorbent commodity of 22 > of < as described in any one of described 1 > of <~<, 21 >, wherein above-mentioned absorbent commodity There is rear aileron portion in the width direction rear part of above-mentioned rear part.

Absorbent commodity of 23 > of < as described in any one of described 1 > of <~<, 22 >, wherein along absorbability object The left and right sides in the front-back direction of product, is provided with the three-dimensional shield that can be erected to wearer side.

Absorbent commodity of 24 > of < as described in 23 > of <, wherein above-mentioned three-dimensional shield is opposite in above-mentioned excretory portion It can be erected in portion, and in above-mentioned rear part there is three-dimensional shield formation to be fixed in positive dough sheet with piece and be difficult to the portion erected Point.

Absorbent commodity of 25 > of < as described in 23 > of < or 24 > of <, wherein in the difficulty with above-mentioned three-dimensional shield With the region that the part of standing is overlapped in the longitudinal direction, it is configured with the region above-mentioned rear Zhong Gao.

Absorbent commodity of 26 > of < as described in any one of described 1 > of <~<, 25 >, wherein above-mentioned absorbent commodity It is the sanitary napkin of overall length 30cm or more.

Industrial utilizability

Absorbent commodity according to the present invention can obtain the absorbability of excretory portion counterpart and the softness of rear part simultaneously Property, it will not destroy, can be steadily absorbed because of distortion when wearing, be reliably prevented from back side leakage.

Claims

1. a kind of absorbent commodity comprising the absorption of the shape longer than in width direction on the front-rear direction of absorbent commodity Property core, and there is the excretory portion counterpart being oppositely disposed with the fluid drainage portion of wearer and configure than the excretory portion counterpart The rear part of position rearward, the absorbent commodity are characterized in that:

The absorbent core the width direction in the excretory portion counterpart central portion have front in high region, and The central portion of width direction in the rear part has the region rear Zhong Gao,

The respective thickness in high region and the region the rear Zhong Gao is greater than the thickness of the neighboring area of absorbent core in the front, The slot part that high region and the region the rear Zhong Gao are extended in the width direction of the absorbent core respectively in the front Every, multiple small absorption portions of the length direction arrangement along the absorbent core are formed with,

The length of the small absorption portion in the length direction in the region the rear Zhong Gao is less than the area the front Zhong Gao Length of the small absorption portion on the length direction in domain,

In the front high region and the region the rear Zhong Gao it is each in, the formation of the absorbent core in the groove portion The grammes per square metre of material is less than the grammes per square metre of the forming material of the absorbent core in the small absorption portion,

It is being formed between high region and the region the rear Zhong Gao in the front on the length direction of the absorbent core Intermediate region, the intermediate region the length on the length direction of the absorbent core be greater than the front in high region groove portion and Length on the length direction of each comfortable absorbent core of the groove portion in the region the rear Zhong Gao, the thickness of the intermediate region with The thickness of the neighboring area of the absorbent core is identical.

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

The absorbent core includes pantostrat, and the pantostrat is not by high in the groove portion in high region in the front, the rear In the groove portion in region and the in the longitudinal direction intermediate region in the front between high region and the rear region Zhong Gao Any one cutting.

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

The average value of the area in the small absorption portion in the region the rear Zhong Gao is less than the institute in the front in high region State the average value of the area in small absorption portion.

4. absorbent commodity as described in claim 1, it is characterised in that:

The bending guide portion extended in the width direction of the absorbent core is formed in the intermediate region.

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

High region is formed with the groove portion extended on the length direction of the absorbent core in the front, is existed using the groove portion Separate the small absorption portion in high region in the front in the width direction of absorbent core.

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

The groove portion extended on the length direction that the region the rear Zhong Gao is not formed in the absorbent core.

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

The two sides in high region, form the width side of oriented absorbent core in region high in the front, described front To outside side protruding portion outstanding.

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

In the neighboring area of the absorbent core configured with being somebody's turn to do in groove portion extended in the direction of the width, with the neighboring area Part other than groove portion is compared, and the grammes per square metre of the forming material of absorbent core is low in the groove portion.

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

The groove portion extended in the longitudinal direction is configured in the neighboring area of the absorbent core, with being somebody's turn to do in the neighboring area Part other than groove portion is compared, and the grammes per square metre of the forming material of absorbent core is low in the groove portion.

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

Compared with region high in the front, the length in width direction is small in the region the rear Zhong Gao.

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

Other than the intermediate region is configured with the groove portion in groove portion extended in the direction of the width, with the neighboring area Part is compared, and the grammes per square metre of the forming material of absorbent core is low in the groove portion.

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

The groove portion extended in the longitudinal direction is configured in the intermediate region, other than the groove portion in the neighboring area Part is compared, and the grammes per square metre of the forming material of absorbent core is low in the groove portion.

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

High region is formed with the groove portion extended on the length direction of the absorbent core in the front, is existed using the groove portion Separate the small absorption portion in high region in the front in the width direction of absorbent core,

The groove portion extended in the longitudinal direction is configured in the neighboring area of the absorbent core, with being somebody's turn to do in the neighboring area Part other than groove portion is compared, and the grammes per square metre of the forming material of absorbent core is low in the groove portion,

The groove portion extended in the longitudinal direction is configured in the intermediate region, other than the groove portion in the neighboring area Part is compared, and the grammes per square metre of the forming material of absorbent core is low in the groove portion,

The groove portion extended in the length direction in high region in the front, with the neighboring area and the intermediate region The groove portion extended in the longitudinal direction be in same line, the region the rear Zhong Gao is located at least in 1 same line.

14. absorbent commodity as claimed in claim 8, it is characterised in that:

The groove portion extended in the width direction in the region the rear Zhong Gao and the neighboring area are in the direction of the width The groove portion of extension is located in same line.

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

The absorbent core is made up of integrally formed.

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

The outer periphery in high region and the region the rear Zhong Gao is surrounded by linear pressing trough in the front.

17. absorbent commodity as claimed in claim 7, it is characterised in that:

A pair of of alar part is provided on the outside of the width direction two in the excretory portion opposed area of the absorbent commodity.

18. absorbent commodity as claimed in claim 17, it is characterised in that:

The side protruding portion configuration is in the region be overlapped in the longitudinal direction with the pair of alar part.

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

The absorbent commodity has rear aileron portion in the width direction rear part of the rear part.

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

In the left and right sides in the front-back direction along absorbent commodity, it is provided with the three-dimensional shield that can be erected to wearer side.

21. absorbent commodity as claimed in claim 20, it is characterised in that:

The three-dimensional shield can erect in the excretory portion counterpart, and be formed in the rear part with three-dimensional shield Positive dough sheet is fixed in piece and is difficult to the part erected.

22. absorbent commodity as claimed in claim 21, it is characterised in that:

With the part for being difficult to erect of the three-dimensional shield be overlapped region in the longitudinal direction, configured with high in the rear Region.

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

The absorbent commodity is the sanitary napkin of overall length 30cm or more.