CN107847365A

CN107847365A - Absorbent commodity

Info

Publication number: CN107847365A
Application number: CN201680008037.6A
Authority: CN
Inventors: 林由佳; 广濑祐; 广濑祐一
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2016-05-20
Filing date: 2016-05-20
Publication date: 2018-03-27
Also published as: JPWO2017199419A1; MY185821A; TWI737731B; SG11201804895WA; JP6221020B1; TW201801698A; WO2017199419A1

Abstract

The present invention provides a kind of absorbent commodity.Absorbent commodity (1) includes absorbent core (41).Absorbent core (41) has middle high portion (42) in excretion opposed area (B).The first area (41F) of the thickness ratio absorbent core (41) of middle high portion (42) and the thickness of second area (41R) are thick.During vertical view, it is maximum Breadth Maximum portion that middle high portion (42), which has the length in the transverse direction (Y) orthogonal with the longitudinal direction (X) of absorbent core (41), and the length of the transverse direction (Y) in the Breadth Maximum portion and the intermediate region (41M) of absorbent core (41) are identical in horizontal Y maximum length.

Description

Absorbent commodity

Technical field

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

Background technology

At present, in the absorbent commodities such as sanitary napkin, when draining situation more than liquid measure etc., daily life row Leakage is also resulted in sometimes among dynamic.Therefore, present applicant has proposed a kind of method for preventing leakage, it is by absorbability In the absorbent core of article, the big middle height of grammes per square metre is set in the excretion opposed area with the fluid drainage portion of wearer relative configuration Part, in addition, setting the low translot of grammes per square metre in middle high part, liquid diffusion is set thus to be prevented without making it be trapped in the point of release Leakage (for example, 1~patent document of patent document 2).

Have what is swelled to skin side for example, proposing in patent document 1 and being set in the face of the skin side to wearer The surface structural body in middle high portion, throughout the technology of the all-round setting recess in middle high portion.The absorbability thing recorded according to patent document 1 Product, fit and absorbability are excellent and can prevent leakage.

In addition, proposing a kind of absorbent commodity in patent document 2, it includes absorbent core, and the absorbent core has It is multiple by it is integrally formed formed with middle high region and groove portion and by the groove portion be divided into bulk absorption portion.According to patent document 2 absorbent commodities recorded, sense of discomfort is few as caused by the bending of absorbent core, in addition, be also less prone to produce the liquid of absorption Liquid is returned, leakage can be prevented.

Prior art literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 11-33054 publications

Patent document 2：Japanese Unexamined Patent Publication 2014-104093 publications

The content of the invention

The present invention relates to the absorbent core including longitudinally longer shape corresponding with the fore-and-aft direction of wearer and have The absorbent commodity of front region and rear area.Above-mentioned absorbent core is upper with being located at positioned at the first area of above-mentioned front side Stating between the second area of rear side has intermediate region, has the thickness ratio first area and secondth area in the intermediate region High portion during the thickness in domain is thick.When overlooking above-mentioned absorbent core, above-mentioned middle high portion has with the above-mentioned longitudinal direction of the absorbent core just Length in the transverse direction of friendship is maximum Breadth Maximum portion, the horizontal length in the Breadth Maximum portion and the horizontal stroke of above-mentioned absorbent core To length it is identical.

Brief description of the drawings

Fig. 1 is the flesh of the sanitary napkin for the preferable embodiment for being denoted as the absorbent commodity of the present invention Top view of the skin with respect to surface side (skin lateral plate side).

Fig. 2 is top view of the skin with respect to surface side for the absorbent core that the sanitary napkin shown in Fig. 1 has.

Fig. 3 is the profile for the III-III line sections for schematically showing Fig. 2.

Fig. 4 is the profile for the IV-IV line sections for schematically showing Fig. 2.

Fig. 5 (a)~Fig. 5 (b) is that the manufacturing process for illustrating absorbent core that the sanitary napkin shown in Fig. 1 has says Bright figure.

Fig. 6 (a)~Fig. 6 (f) is the physiology use as preferable other embodiments of the absorbent commodity of the present invention Top view of the skin of a part for the absorbent core that sanitary napkin has with respect to surface side.

Fig. 7 is the sanitary napkin for the preferable other embodiments for being denoted as the absorbent commodity of the present invention Top view of the skin with respect to surface side (skin lateral plate side).

Fig. 8 is the sanitary napkin for the preferable other embodiment for being denoted as the absorbent commodity of the present invention Top view of the skin with respect to surface side (skin lateral plate side).

Fig. 9 is top view of the skin with respect to surface side for the absorbent core that the sanitary napkin of embodiment 1 has.

Figure 10 (a) is top view of the skin with respect to surface side for the absorbent core that the sanitary napkin of comparative example 1 has, Figure 10 (b) Be comparative example 2 the skin of absorbent core that has of sanitary napkin with respect to the top view of surface side, Figure 10 (c) is the health of comparative example 3 Top view of the skin for the absorbent core that towel has with respect to surface side.

Figure 11 is the curve for representing to determine the result of the values of stiffness of the sanitary napkin of the sanitary napkin of embodiment 1 and comparative example 1~3 Figure.

Embodiment

No matter patent document 1 record absorbent commodity, or patent document 2 record absorbent commodity, as long as Fail absorbent commodity being through the appropriate position of body in wearing, then sometimes in the fore-and-aft direction of body or the width of left and right Spend direction and produce wearing position skew, the absorbent commodity and patent document 2 that can not fully obtain the record of patent document 1 sometimes are remembered The effect of the absorbent commodity of load.So, the absorbability thing that the absorbent commodity and patent document 2 that patent document 1 is recorded are recorded The leeway further improved be present in product.

Therefore, problem of the invention is, there is provided can solve the problem that the absorbent commodity of above-mentioned prior art disadvantage.

Hereinafter, for the absorbent commodity of the present invention, based on the physiology health as its preferable embodiment Towel 1 (hereinafter also referred to " sanitary napkin 1 ") it is described with reference to the accompanying drawings.Fig. 1 represents the present embodiment from skin lateral plate side The top view of sanitary napkin 1.As shown in figure 1, the sanitary napkin 1 of present embodiment includes the absorbent core 41 of the longer shapes of longitudinal X, With front region A and rear area C.Sanitary napkin 1 is oppositely disposed as shown in figure 1, being divided into the fluid drainage portion of wearer Excretion opposed area B, before and after excretion opposed area B longitudinal X configuration front region A and rear area C.

In this manual, longitudinal X is corresponding with the fore-and-aft direction of wearer, the length with absorbent commodity (sanitary napkin 1) Direction is consistent, and horizontal Y is consistent with the width (direction orthogonal to the longitudinal direction) of absorbent commodity (sanitary napkin 1).Therefore, In the case of no special suggestion, in this manual, length direction X length refers to as being determined in length direction X " length " of distance, horizontal Y length refer to " width " as the distance determined in horizontal Y.Sanitary napkin 1 is on along longitudinal X The center line CL of extension is symmetrically formed.Longitudinal X also refers to the direction parallel with center line CL.In addition, in this specification In, skin opposite face is absorbent commodity (sanitary napkin 1) or the court when dressing absorbent commodity (sanitary napkin 1) of its component parts To the face of the skin side of wearer, non-skin opposite face is being inhaled in wearing for absorbent commodity (sanitary napkin 1) or its component parts Towards the face of skin side opposite side (clothing side) during the property received article (sanitary napkin 1).

Sanitary napkin 1 has：Area relative with the excretion that the fluid drainage portion (introitus etc.) of wearer is oppositely disposed during wearing Domain B, be configured at than excretion opposed area B by wearer veutro (front side) front region A and be configured at than the excretion phase Rear area C to region B by the dorsal part (rear side) of wearer.That is, sanitary napkin 1 along longitudinal X be in turn divided into front region A, Drain opposed area B and rear area C.

In addition, in the absorbent commodity of the present invention, opposed area B is the sanitary napkin 1 such as present embodiment for excretion In the case of with alar part 1W, refer to that the region with alar part 1W is (by the alar part 1W root along longitudinal X on longitudinal X With another alar part 1W region clipped along longitudinal X root).In addition, the feelings of the absorbent commodity in no alar part Under condition, absorbent commodity is folded in the form of the single dress of three foldings caused by transversely Y cross 2 foldings of the absorbent commodity For superimposing thread (not shown), excretion opposed area B refers to the first fold line of the front end number by longitudinal X from the absorbent commodity The region surrounded with the second fold line.

As shown in figure 1, the sanitary napkin 1 of present embodiment includes：The skin lateral plate 2 of the liquid permeability of formation skin opposite face, The absorber 4 for forming the non-skin lateral plate 3 of non-skin opposite face and being present between the two pieces 2,3.Absorber 4 is by absorbing Property core 41 and wrap up the absorbent core 41 clad sheet it is (not shown) form.

In sanitary napkin 1, as shown in figure 1, skin lateral plate 2 coats the whole region of the skin opposite face of absorber 4, from suction The both side edges along longitudinal X of acceptor 4 extend to horizontal Y foreign side.On the other hand, non-skin lateral plate 3 coats the non-of absorber 4 The whole region of skin opposite face, extended in addition from the both side edges along longitudinal X of skin lateral plate 2 to horizontal Y foreign side, it is and rear The lateral plate 5 stated forms flank section 1S together.Non- skin lateral plate 3 and lateral plate 5 pass through known in bonding agent, heat-sealing, ultrasonic sealing etc. Joint method be bonded with each other in the extension portion from the both side edges along longitudinal X of absorber 4.In addition, skin lateral plate 2 and non-flesh Skin lateral plate 3 can also each be engaged between absorber 4 by bonding agent.

In sanitary napkin 1, lateral plate 5 as shown in figure 1, be configured at the skin opposite face of skin lateral plate 2 along the two of longitudinal X Sidepiece.Preferably, throughout flesh in a manner of lateral plate 5 is overlapping with the left and right sides portion of longitudinal X along skin lateral plate 2 when to overlook Longitudinal X of skin lateral plate 2 total length configuration.

In sanitary napkin 1, a pair of lateral plates 5,5 are respectively as shown in figure 1, joint 6 is engaged in skin lateral plate 2.Alternately The wavy junction surface 6 obtained by the bumps as caused by curve on horizontal Y is continuously configured along longitudinal X when overlooking, with center Centered on line CL, transversely Y is symmetrically configured with a pair.So, lateral plate 5 skin lateral plate 2 is engaged in by wavy junction surface 6 and When fixed, more square into by lateral plate 5 and the institute of skin lateral plate 2 in horizontal Y than being leaned on the junction surface group at the junction surface 6 of wavy configuration The spatial portion of division.The spatial portion is open to center line CL, therefore the body fluid quilt such as menses flowed outward from horizontal Y center The spatial portion is housed in, as a result can effectively prevent the leakage of body fluid.

In sanitary napkin 1, flank section 1S as shown in figure 1, excretion foreign side from opposed area B to horizontal Y it is significantly prominent, by This, being extended in the left and right sides along longitudinal X of sanitary napkin 1 has a pair of alar parts 1W, 1W.Alar part 1W is to clothings such as shorts Crotch the non-skin part turning back and use with respect to surface side.In addition, skin lateral plate 2 and non-skin lateral plate 3 as shown in figure 1, Extended respectively to longitudinal X foreign side from longitudinal X of absorber 4 front-end and back-end, pass through bonding agent, heat in these extension portion Joint method known to envelope, ultrasonic sealing etc. is bonded with each other, and forms end seal part.

In sanitary napkin 1, as shown in figure 1, skin lateral plate 2 skin opposite face formed with skin lateral plate 2 and absorber 4 Integrally be recessed the wire pressing trough 7 formed towards the non-side of skin lateral plate 3." wire " of wire pressing trough 7, which refers to, overlooks time slot (depression Portion) shape be not limited to straight line, the situation comprising curve.In addition, each line both can be continuous lines or dotted line, health The wire pressing trough 7 of towel 1 by it is discontinuous it is multiple press flower-shape into row form.For skin lateral plate 2 and absorber 4, line The density of the periphery of the density ratio of the various fibers as component parts of the shape pressing trough 7 wire pressing trough 7 is high.Wire pressure Groove 7 processed have absorber 4 front region A and rear area C respectively to horizontal Y extend the first horizontal pressing trough 71 and The vertical pressing trough 73 that the excretion opposed area B of absorber 4 both sides along longitudinal X extend to longitudinal X.In sanitary napkin 1, the One horizontal pressing trough 71 is the curve-like protruded to longitudinal X foreign sides, and vertical pressing trough 73 is to drain opposed area B to horizontal Y foreign sides The curve-like of protrusion.First horizontal pressing trough 71 in the inner part, pressing troughs 73 is indulged throughout a pair to horizontal Y in pressing trough 73 more vertical than a pair Extension.In sanitary napkin 1, front region A the first horizontal pressing trough 71, one indulges pressing trough 73, the first of rear area C the horizontal pressing trough 71 and the connection of another vertical pressing trough 73 form the complete cycle groove of ring-type.The wire pressing trough 7 so formed suppresses body fluid to absorber The diffusion of 4 in-plane, it can effectively prevent surrounding's leakage from sanitary napkin 1.

In sanitary napkin 1, the absorbent core 41 of absorber 4 is formed as shown in Fig. 2 positioned at longitudinal X front region A sides First area 41F and be located behind that there is intermediate region 41M between the second area 41R of region C sides.Intermediate region 41M has There is middle high portion 42.In sanitary napkin 1, intermediate region 41M is configured at excretion opposed area B.More specifically, absorbed in sanitary napkin 1 Property core 41 intermediate region 41M and excretion opposed area B in vertical consistency.Therefore, in sanitary napkin 1, in absorbent core 41 Between region 41M there is middle high portion 42.In addition, in sanitary napkin 1, as shown in Fig. 2 when overlooking, the front region A's of sanitary napkin 1 is big The small and first area 41F of absorbent core 41 size is unanimous on the whole, the rear area C of sanitary napkin 1 size and absorbent core 41 second area 41R size is unanimous on the whole.

In the case that sanitary napkin 1 has a pair of alar part 1W in the outside of the horizontal sides of Y two, each alar part 1W longitudinal X every Intermediate region 41M be present each other every the alar part 1W of configuration root in the standard width of a room in an old-style house.More specifically, the intermediate region of sanitary napkin 1 41M exists throughout each alar part 1W between the root for the alar part 1W that longitudinal X intervals configure.In addition, in sanitary napkin 1 Front region A size and the first area 41F of absorbent core 41 size are unanimous on the whole, and the rear area C of sanitary napkin 1 In the case that the second area 41R of size and absorbent core 41 size is unanimous on the whole, the intermediate region 41M's of sanitary napkin 1 is vertical It is identical with the length between each alar part 1W alar part 1W in the configuration of longitudinal X intervals root to X length.

In addition, intermediate region 41M thickness ratios are located at the first area 41F in intermediate region 41M front and positioned at middle areas The thickness of the absorbent core 41 in the second area 41R at domain 41M rear each region is thick.In sanitary napkin 1, absorbent core 41 has The longer shape on longitudinal X equidirectionals with sanitary napkin 1.Therefore, the longitudinal direction of absorbent core 41 and longitudinal X of sanitary napkin 1 Direction is identical, and the transverse direction of absorbent core 41 is identical with the horizontal Y-direction of sanitary napkin 1.

In as shown in figure 4, the thickness in high portion 42 formed must be than the first area 41F of absorbent core 41 thickness and the secondth area Domain 41R thickness is thick.It is preferred that in sanitary napkin 1, the middle high thickness of portion 42 is formed must be thicker than the first area 41F of absorbent core 41 Degree is thick, and formed must be higher than the first area 41F of absorbent core 41 grammes per square metre for grammes per square metre.Additionally, it is preferred that in sanitary napkin 1, middle height Compared with the second area 41R of absorbent core 41 thickness, thickness forms thicker the thickness in portion 42, and grammes per square metre formed must than inhale The second area 41R of the property received core 41 grammes per square metre is high.In the case where first area 41F and second area 41R are formed with groove portion 45, The respective thickness and grammes per square metre of first area 41F and second area 41R compared with the thickness in middle high portion 42 and grammes per square metre refer to The thickness and grammes per square metre of the one region 41F and second area 41R part in the absence of aftermentioned groove portion 45.The absorbent core of sanitary napkin 1 41 set thickness difference because setting difference in the grammes per square metre in core material, so the part with suppressing the uniform absorbent core of grammes per square metre And setting the situation of thickness difference different, absorbent core 41 is all soft.

From making, middle high portion 42 is prominent to skin, from the viewpoint of improving absorbability of liquid of absorbent core 41 etc., middle height The thickness in portion 42 for absorbent core 41 first area 41F and second area 41R thickness preferably 120% (that is, 1.2 times) with On, more preferably more than 140%, additionally, it is preferred that less than 700%, more preferably less than 500%, in addition, from wearing when to body Tracing ability or suppress sense of discomfort from the viewpoint of, preferably more than 120% and less than 700%, more preferably more than 140% and Less than 500%.In in addition, the thickness in high portion 42 and first area 41F or second area 41R thickness thickness difference (the former- The latter) be preferably more than 1.0mm, more preferably more than 2.0mm, additionally, it is preferred that be below 8.0mm, more preferably 6.0mm with Under, additionally, it is preferred that being more than 1.0mm and below 8.0mm, more preferably more than 2.0mm and below 6.0mm.Above-mentioned composition is such as The sanitary napkin 1 of present embodiment is such, when excretion opposed area B is arranged in middle high portion 42, especially effectively.

The thickness in high portion 42 is preferably more than 2.0mm in addition, more preferably more than 3.0mm, additionally, it is preferred that being Below 10.0mm, more preferably below 7.0mm, additionally, it is preferred that be more than 2.0mm and below 10.0mm, more preferably 3.0mm with Upper and below 7.0mm.Furthermore it is preferred that be the relation of above-mentioned thickness in the four corner in middle high portion 42, the thickness in middle high portion 42 In the case of spending direction provided with increase and decrease, as long as turning into above-mentioned relation in most thick part.

Furthermore it is preferred that the four corner in middle high portion 42 turns into the relation of above-mentioned thickness, but in the thickness side in middle high portion 42 Upwards, be provided with thickness gradually in the case of increase and decrease in horizontal Y or longitudinal X or the both direction, if most thick part into For above-mentioned relation.

In addition, first area 41F or second area 41R thickness are preferably more than 0.5mm, more preferably more than 1.0mm, Additionally, it is preferred that be below 7.0mm, more preferably below 3.5mm, additionally, it is preferred that being more than 0.5mm and below 7.0mm, more preferably For more than 1.0mm and below 3.5mm.

It is preferred that in sanitary napkin 1, first area 41F or second area 41R thickness are in the portion in the absence of aftermentioned groove portion 45 Timesharing, general uniform are formed, but are gradually increased provided with thickness in first area 41F or second area 41R horizontal Y or longitudinal X In the case of subtracting, as long as turning into above-mentioned relation in most thick part.

The absorbent core 41 such as middle high portion 42, first area 41F or second area 41R, middle high adjacent portions 44 described later it is each Partial thickness is determined by following method.

Absorbent core is stood in a manner of no fold or bending in the position of level, conduct is cut out from the absorbent core 41 High portion 42, first area 41F or second area 41R etc. in measuring object.Then, the measuring object that cuts out is determined 5cN/cm²Load under thickness.Specifically, for example using thickness gauge PEACOCK DIAL in the measure of thickness UPRIGHT GAUGES R5-C (OZAKI MFG.CO.LTD. systems).At this moment, in the leading section of thickness gauge and the measure pair cut out As between thing, using load as 5cN/cm²Mode configure have adjusted size vertical view is circular or the plate of square (thickness 5mm is left Right acrylic panel), determine thickness.When determining the first area 41F or second area 41R etc. of absorbent core 41 thickness, with Mode without groove portion 45 described later is measured.

In sanitary napkin 1, from making, middle high portion 42 is prominent to skin, improves the liquid of excretion opposed area B absorbent core Absorbability etc. from the viewpoint of, the grammes per square metre in high portion 42 is 100g/m preferably in absorbent core 41²More than, more preferably 200g/m²More than, also, it is preferred that being 1500g/m²Hereinafter, more preferably 1200g/m²Hereinafter, specifically, preferably 100g/ m²Above and 1500g/m²Hereinafter, more preferably 200g/m²Above and 1200g/m²Below.In addition, the firstth area of absorbent core 41 Domain 41F grammes per square metre or second area 41R grammes per square metre are preferably 50g/m²More than, more preferably 100g/m²More than, also, it is preferred that being 1000g/m²Hereinafter, more preferably 900g/m²Hereinafter, specifically, preferably 50g/m²Above and 1000g/m²Hereinafter, it is more excellent Elect 100g/m as²Above and 900g/m²Below.First area 41F grammes per square metre or second area 41R grammes per square metre, by will as described above Absorbent core 41 each several part thickness assay method in illustrate as the first area 41F or second area that cut out The quality of 41R sample divided by the skin of the sample are obtained with respect to the area in the face of surface side.Determine the first of absorbent core 41 When region 41F grammes per square metre or second area 41R etc. grammes per square metre, it is measured in a manner of without groove portion 45 described later.

In sanitary napkin 1, when middle high portion 42 has vertical view absorbent core 41, the horizontal stroke orthogonal with longitudinal X of absorbent core 41 It is maximum Breadth Maximum portion, the horizontal Y in Breadth Maximum portion length and the horizontal Y of absorbent core 41 length to Y length Spend identical.High portion 42 in it is preferred that is as shown in Fig. 2 when having vertical view absorbent core 41, and the Breadth Maximum portion in middle high portion 42 is along suction The both side edges along longitudinal X of the property received core 41 extend the middle high central portion 421 to be formed with defined length in longitudinal X.In other words Say, middle high central portion 421 is extended between both side edges 41s, 41s along longitudinal X of absorbent core 41 with banding, throughout band Longitudinal X in the middle high central portion 421 of shape total length has the above-mentioned Breadth Maximum portion in middle high portion 42.Middle high central portion 421 is most The horizontal Y of big width portion length is identical with the width of absorbent core 41.In addition, the width in this absorbent core 41 refers to include The width of the absorbent core 41 in middle high portion 42.That is, transversely in Y section views during high portion 42, with adjacent first area 41F and second The height and position on the surface of region 41R skin abutment face side is compared, if in skin abutment face side high portion 42 width It is identical with the width (non-skin side width) for being located at high portion 42 in non-skin abutment face side or bigger to spend (skin side width), then The Breadth Maximum in middle high portion 42 is identical with the width of absorbent core 41.The preferred skin side in the Breadth Maximum portion in high portion 42 in however, Width and non-skin side width are substantially the same, particularly preferably in thickness direction general uniform.In order to which even if absorbent commodity is slightly Sufficient absorbent properties can also be shown by being dressed in the state of micro- skew, high central portion during absorbent core 41 preferably expands as far as possible 421 area.According to this viewpoint, middle high central portion 421 in Breadth Maximum portion, preferably absorbent core 41 along longitudinal X's It is fixed interval between both side edges 41s, 41s, more preferably both side edges 41s, 41s are parallel with longitudinal X respectively, and are linear. But the horizontal Y in high portion 42 position skew, the defect in middle high portion 42, producer in the absorbent core 41 during due to manufacture The pattern draft of model caused by method, the fillet of end or chamfering etc., the width in middle high portion 42 and the width of absorbent core 41 are only To be slightly different degree, as long as such as width in Breadth Maximum portion 5% or so poor scope, then regard identical as Width.Breadth Maximum refers to the distance of horizontal Y most long opening position.In addition, in fig. 2, middle high portion 42 in horizontal Y most The horizontal Y of big width portion length is identical with maximum lengths of the intermediate region 41M of absorbent core 41 in horizontal Y, with absorbability The horizontal Y of core 41 maximum length is identical.

The middle high central portion 421 in middle high portion 42 is in sanitary napkin 1, when carrying out section view as shown in Figure 3, with from horizontal Y Centre portion goes the mode of its height reduction to be formed to along longitudinal X both sides edge.That is, prolonging in longitudinal X in middle high central portion 421 The height of the central portion configured on the center line CL stretched forms to obtain highest.When so formed with middle high central portion 421, it is possible to increase Drain opposed area B absorbability of liquid etc..

The middle high central portion 421 in middle high portion 42 is in sanitary napkin 1, when carrying out section view as shown in Figure 3, with from horizontal Y The mode that centre portion goes its grammes per square metre to reduce to the both sides edge along longitudinal X is formed.That is, in middle high central portion 421 along longitudinal X Center line CL on the grammes per square metre of central portion that configures formed maximum.In so being formed during high central portion 421, it is possible to increase excretion Absorbability of opposed area B liquid etc..

The middle high central portion 421 of sanitary napkin 1, carries out section view, the height for the central portion being configured on center line CL as shown in Figure 3 Spend (T1) relative to the ratio between the minimum lateral margin 41s of the height height (T2) located (Tl/T2), therefrom high portion and excretory portion as far as possible without From the viewpoint of gap is close to, preferably more than 1.1, particularly preferably more than 1.3, in addition, from be not easy assign wearing when not From the viewpoint of suitable sense, preferably less than 4, particularly preferably less than 3, specifically, preferably more than 1.1 and less than 4, especially Preferably more than 1.3 and less than 3.

High portion 42 is than the first area 41F of absorbent core 41 and the in skin abutment face side without grammes per square metre in addition, The form of the low recess of two region 41R grammes per square metre.Here, there is groove portion 45 in first area 41F and second area 41R Under, first area 41F and second area 41R grammes per square metre refer to the grammes per square metre of the part in addition to groove portion 45.In middle high portion 42 When skin abutment face side has the recess of low grammes per square metre, sanitary napkin 1 is also easy to produce unexpected fold or bending.If the recess of low grammes per square metre For in the case of pod portion of the skin abutment face in middle high portion 42 along the high portion 42 of longitudinal X span centres, middle high portion 42 is easy because of the pod It is divided in width, easily using pod portion as starting point when not only dressing, the fold along longitudinal direction is produced in sanitary napkin 1, and It also occur that using the pod portion as basic point, due to the wearer of sanitary napkin 1 action and situation that absorbent core is split off.So When absorbent core is divided, gap is easily formed between sanitary napkin 1 and body, or absorptive capacity significantly reduces, therefore as so-called The reason for leakage.

High portion 42 includes therefrom high central portion 421 horizontal Y length is gone in region A sides or rear area C sides forwards in addition, The degree above-mentioned Breadth Maximum portion in high portion 42 narrows than in front side convex portion 422 or rear side convex portion 423.In other words, middle height When absorbent core 41 is overlooked in portion 42 as shown in Figure 2, at least there is therefrom longitudinal X in high central portion 421 leading section to the firstth area The front side convex portion 422 and therefrom longitudinal X in high central portion 421 rearward end is convex to second area 41R sides that domain 41F sides are protruded Any one of the rear side convex portion 423 gone out, in sanitary napkin 1, middle high portion 42 has front side convex portion 422 and rear side convex portion 423.That is, in sanitary napkin 1, middle high portion 42 is divided into front side convex portion 422, middle high central portion 421 and rear side convex portion 423。

In sanitary napkin 1, as shown in Fig. 2 the front side convex portion 422 of absorbent core 41 is in the front end in middle high central portion 421 Portion is configured with one, and rearward end of the rear side convex portion 423 in middle high central portion 421 is configured with one.In front side convex portion 422, The top 422t of front side convex portion 422 is configured at along the center line CL of longitudinal X extensions, forms the both sides of front side convex portion 422 Side 422s, 422s being extended along longitudinal X lateral margin 41s with rectilinear form up to absorbent core 41 from top 422t respectively.Afterwards Square side convex portion 423 is same with front side convex portion 422, and the top 423t of rear side convex portion 423 is configured at the center extended along longitudinal X On line CL, from top, 423t extends up to the edge of absorbent core 41 to two side 423s, 423s of formation rear side convex portion 423 respectively Longitudinal X lateral margin 41s.

In sanitary napkin 1, as shown in Fig. 2 the front side convex portion 422 and rear side convex portion 423 of absorbent core 41 respectively with The mode that its width d gradually decreases is gone from top from the both sides along longitudinal X to the central portion positioned at horizontal Y 422t, 423t Formed.It is preferred that the front side convex portion 422 of the absorbent core 41 in sanitary napkin 1, two side 422s, 422s interval (width d) from Both side edges 41s, 41s along longitudinal X of absorbent core 41 go to gradually decrease to top 422t.Equally, in the absorption of sanitary napkin 1 The rear side convex portion 423 of property core 41, (width d) is from absorbent core 41 along the two of longitudinal X at two side 423s, 423s interval Lateral margin 41s, 41s go to gradually decrease to top 423t.Here, it is that finger widths d is gone to top 422t, 423t that width d, which is gradually decreased, Continuously little by little reduce.

In the absorbent core 41 of sanitary napkin 1, the front side enumerated among front side convex portion 422 and rear side convex portion 423 When being illustrated exemplified by convex portion 422, two side 422s, 422s un-deviously straight extensions respectively.From improving to body shape Fit and motion when tracing ability from the viewpoint of, a side 422s and along longitudinal X extension center line CL formed by angle α Preferably more than 20 °, more preferably more than 30 °, also, it is preferred that for less than 75 °, it is more preferably less than 60 °, specifically, excellent Elect more than 20 ° and less than 75 °, more preferably more than 30 ° and less than 60 ° as.Rear side convex portion 423 also with front side convex portion 422 Equally.

Longitudinal X in middle high portion 42 total length L2 is preferably more than the 25% of longitudinal X of absorbent core 41 total length L1, more excellent Elect more than 30% as, additionally, it is preferred that for less than 90%, more preferably less than 75%, additionally, it is preferred that for more than 25% and 90% with Under, more preferably more than 30% and less than 75%.

In addition, total length L1 is to represent the distance in longitudinal X of absorbent core 41 most long opening position, total length L2 refers to The distance of longitudinal X in middle high portion 42 most long opening position.

The total length L2 in high portion 42 during longitudinal X in the middle high central portion 421 in high portion 42 total length L3 is preferably in composition More than 20%, more preferably more than 30%, additionally, it is preferred that being less than 80%, more preferably less than 70%, additionally, it is preferred that being More than 20% and less than 80%, more preferably more than 30% and less than 70%.

The 5% of the total length L2 in high portion 42 during longitudinal X of the front side convex portion 422 in high portion 42 total length L4 is preferably in composition More than, more preferably more than 10%, additionally, it is preferred that being less than 50%, more preferably less than 30%, additionally, it is preferred that being more than 5% And less than 50%, more preferably more than 10% and less than 30%.Longitudinal X total lengths of the rear side convex portion 423 in high portion 42 in composition Also it is same with longitudinal X of front side convex portion 422 total length L4.

In addition, total length L4 refers to the distance in longitudinal X of front side convex portion 422 most long opening position.

In sanitary napkin 1, as shown in Fig. 2 absorbent core 41 high portion 42 and middle high portion in intermediate region 41M has division High border groove portion 43 in portion boundary beyond 42.Middle high border groove portion 43 has along formation in sanitary napkin 1 to be formed High border groove portion 43a and along formation in the front of two side 422s, 422s extensions of the front side convex portion 422 in middle high portion 42 The rear Zhong Gao borders groove portion 43c of two side 423s, 423s extensions of rear side convex portion 423.In front high border groove portion 43a and Total length (full width) formation of the rear Zhong Gao borders groove portion 43c throughout the horizontal Y of absorbent core 41.Therefore, for from leg The power of the inner side of the width for acting on absorbent core 41 in portion, it is not easy to produce longitudinal fold, health in the longitudinal direction of sanitary napkin 1 Towel 1 is easily bonded along the shaped three dimensional of body.So, high border groove portion 43a and rear in front are passed through in absorbent core 41 Middle high border groove portion 43c divisions and the border in middle high portion 42.

In sanitary napkin 1, from the viewpoint of absorbability of liquid for improving excretion opposed area B etc., absorbent core 41 In the well width of high border groove portion 43 be preferably more than 0.1mm, more preferably more than 0.5mm, additionally, it is preferred that for 5.0mm with Under, more preferably below 3.0mm, additionally, it is preferred that more than 0.1mm and below 5.0mm, more preferably more than 0.5mm and 3.0mm with Under.In in addition, the well width of high border groove portion 43 and thickness described later by the direction extended with middle high border groove portion 43 just The direction cut-out of friendship, is measured according to the photo of section.

In sanitary napkin 1, from the viewpoint of absorbability of liquid for improving excretion opposed area B etc., absorbent core 41 Be preferably more than 0.08mm in the thickness of middle high border groove portion 43, more preferably more than 0.15mm, additionally, it is preferred that for 7.0mm with Under, more preferably below 3.5mm, additionally, it is preferred that be more than 0.08mm and below 7.0mm, more preferably more than 0.15mm and It is 3.5mm following.

In sanitary napkin 1, middle high border groove portion 43 is formed must be lower than the grammes per square metre in middle high portion 42, and then forms to obtain grammes per square metre ratio suction The first area 41F of the property received core 41 grammes per square metre and second area 41R grammes per square metre are low.Here, first area 41F grammes per square metre and second Region 41R grammes per square metre, in the case of with groove portion 45, refer to the grammes per square metre of the part in addition to groove portion 45.Middle high boundary trench The grammes per square metre in portion 43 is preferably 10g/m²More than, more preferably 20g/m²More than, also, it is preferred that being 350g/m²Hereinafter, more preferably 250g/m²Hereinafter, specifically, preferably 10g/m²And above 350g/m²Hereinafter, more preferably 20g/m²Above and 250g/m² Below.The grammes per square metre of high border groove portion 43 in addition, by by such as above-mentioned absorbent core 41 each several part thickness measure The quality of sample divided by the skin opposite face of the sample of the part of high border groove portion 43 in being cut out as illustrating in method The area in the face of side and obtain.

In sanitary napkin 1, absorbent core 41 as shown in Fig. 2 except high portion 42 in in-between region 41M, in addition, except In the region of high border groove portion 43 also there are middle high adjacent portions 44.That is, in sanitary napkin 1, the intermediate region of absorbent core 41 41M includes middle high portion 42, middle high border groove portion 43 and middle high adjacent portions 44.Middle high adjacent portions 44 have in the 41M of intermediate region Be configured at form in high portion 42 the adjacent first area 41F sides in front side convex portion 422 front in high adjacent portions 44a and It is configured at high adjacent portions 44c in the rear of the second area 41R sides adjacent with the rear side convex portion 423 in high portion 42 in composition.Before Fang Zhonggao adjacent portions 44a is symmetrically formed on the center line CL extended along longitudinal X.High adjacent portions 44a ratio in front Center line CL by absorbent core 41 the lateral margin 41s sides along longitudinal X half part with from a lateral margin 41s to The mode that center line CL goes longitudinal X length to gradually decrease is formed.High adjacent portions 44c and high adjacent portions 44a in front in rear Equally, the center line CL on extending along longitudinal X is symmetrically formed.High adjacent portions 44c's leans on than center line CL in rear The part of the half of the lateral margin 41s sides along longitudinal X of absorbent core 41 from a lateral margin 41s to center line CL to go The mode that longitudinal X length gradually decreases is formed.

In sanitary napkin 1, as shown in figure 4, in high adjacent portions 44 be formed as the thickness of high border groove portion 43 in its thickness ratio Greatly, it is and smaller than the thickness in high portion 42 in absorbent core 41.In addition, from the viewpoint of the tracing ability to the motion of body, in High its preferred thickness of adjacent portions 44 and first area 41F thickness and second area 41R thickness are identical or smaller.In addition, From the motion for body, from the viewpoint of the intensity of the absorbent core 41 during repeated deformation, the thickness of middle high adjacent portions 44 Thickness that can be than first area 41F and second area 41R thickness are big.

The thickness of middle high adjacent portions 44 is preferably more than 0.5mm, more preferably more than 1.0mm, preferably below 10.0mm, More preferably below 7.0mm, additionally, it is preferred that be more than 0.5mm and below 10.0mm, more preferably more than 1.0mm and 7.0mm with Under.

The thickness of middle high adjacent portions 44 is surveyed according to the assay method of the thickness of each several part of above-mentioned absorbent core 41 It is fixed.

In sanitary napkin 1, it is smaller than the grammes per square metre in high portion 42 in absorbent core 41 that middle high adjacent portions 44 are formed as its grammes per square metre, and The grammes per square metre of high border groove portion 43 is big than in.In addition, from the viewpoint of the tracing ability to the motion of body, preferably in high adjacent portions 44 grammes per square metre and the first area 41F of absorbent core 41 grammes per square metre and second area 41R grammes per square metre are identical or smaller.In addition, From the motion for body, from the viewpoint of the intensity of the absorbent core 41 during repeated deformation, the grammes per square metre of middle high adjacent portions 44 Grammes per square metre that can be than first area 41F and second area 41R grammes per square metre are big.Here, first area 41F grammes per square metre and second area 41R grammes per square metre, in the case of with groove portion 45, refer to the grammes per square metre of the part in addition to groove portion 45.Gram of middle high adjacent portions 44 It is preferably 20g/m again²More than, more preferably 50g/m²More than, also, it is preferred that being 800g/m²Hereinafter, more preferably 700g/m²With Under, specifically, preferably 20g/m²Above and 800g/m²Hereinafter, more preferably 50g/m²Above 700g/m²Below.In in addition, The grammes per square metre of high adjacent portions 44 in the assay method of the thickness of each several part of absorbent core 41 described above as by will illustrate The quality of sample of high adjacent portions 44 divided by the skin of the sample are obtained with respect to the area in the face of surface side in cutting out.

In sanitary napkin 1, the first area 41F and second area 41R of absorbent core 41 respectively as shown in Fig. 2 with gram The relatively small groove portion 45 of weight and the relatively large small absorption portion 46 of grammes per square metre.It is preferred that groove portion 45 include along longitudinal X extension pod 45X and The transversely translot 45Y of Y extensions.Configured moreover, separating certain interval in horizontal Y along the pod 45X of longitudinal X extensions, along horizontal stroke Certain interval is separated to the translot 45Y that Y extends in longitudinal X to configure.Small absorption portion 46 is configured at by pod 44Y and translot 44X The position in the hole of the grid of division.Above-mentioned first area 41F and second area 41R thickness and grammes per square metre refer to small absorption portion 46 Thickness and grammes per square metre.

In sanitary napkin 1, in first area, 41F and second area 41R has groove portion 45 and small absorption portion 46, in middle area Domain 41M has all integrally formed of the absorbent core 41 in middle high portion 42, middle high border groove portion 43 and middle high adjacent portions 44." one Body shapes " it is different from by way of the combination of the joint method such as bonding agent or compacting, but refer to using identical material, by one Process is integrally formed.

The absorbent core 41 of above-mentioned sanitary napkin 1 can for example as shown in Fig. 5 (a), using be included in outer peripheral face have it is poly- Collection recess 55, to the fiber accumulations rotary drum 54 of direction R rotation and in the outer peripheral face of the fiber accumulations rotary drum 54 to disperse The fiber accumulations device of pipeline (not shown) of state supply core material manufacture.

Aggregation with recess 55 the outer peripheral face of fiber accumulations rotary drum 54 circumference at certain intervals formed with multiple.Aggregation It is made up of with the bottom surface 56 of recess 55 mesh plate etc., there are multiple pores that function is played as suction hole.

In addition, as shown in Fig. 5 (a), in 1 aggregation with a part for the bottom surface 56 of recess 55 formed with for forming absorption The intermediate region 41M of a property core 41 recess 56b.In addition, it is configured with recess 56b bottom surface for forming high portion in division 42 and middle high adjacent portions 44 in high border groove portion 43 the first difficult aeration part 57.First difficult general character part 57 be configured at Position corresponding to middle high border groove portion 43, fixed in a manner of being protruded from recess 56b bottom surface.In addition, adjacent with recess 56b Direction of rotation R upstream side region and the bottom surface 56 of downstream side region be configured with the second difficult aeration for forming groove portion 45 Part 58.Second difficult aeration part 58 is configured at position corresponding with pod 44Y and translot 44X, with from aggregation recess 55 Bottom surface 56 protrude mode fix.First difficult 57 and second difficult aeration part 58 of aeration part can also be non-aeration Part, such as be made up of metal or plastics, ceramics etc..

It is same with the known fiber accumulations device with fiber accumulations rotary drum, the bottom by one side from aggregation with recess 55 Face is aspirated, while the core material that supply mixing water absorbent polymer and paper pulp fiber obtain into pipeline, as shown in Fig. 5 (b), core Material is deposited in aggregation recess 55 with regulation shape.By making its deposit 40 depart from from aggregation recess 55, inhaled The precursor of the property received core 41.After the precursor of absorbent core 41 is by clad sheet cladding (not shown), is cut, utilize by rotary knife cutter etc. The Transporting equipments such as ribbon conveyer transport in carriage direction.So being absorbed property core 41.What is so obtained (is not schemed by clad sheet Show) absorbent core 41 of cladding between a pair of rolls by single or multiple etc., it is thus all or partly pressurize and appropriateness is pressed System.Thus, turn into the part of recess 56b accumulations grammes per square metre and thickness it is relatively large in high portion 42.Equally, by with recess The part that upstream side region adjacent 56b and the core material of downstream side region accumulation are formed turns into the relatively small absorbent core of grammes per square metre 41 first area 41F and second area 41R.In addition, by the core accumulated on recess 56b the first difficult aeration part 57 The part that material is formed turn into grammes per square metre than first area 41F and second area 41R grammes per square metre it is relatively small in high border groove portion 43. By the core material structure accumulated on the second difficult aeration part 58 of the upstream side region adjacent with recess 56b and downstream side region Into part turn into the groove portion 45 more relatively small than the grammes per square metre in small absorption portion 46.

Illustrated for the formation material of each component parts of the sanitary napkin 1 of above-mentioned present embodiment.

The skin lateral plate 2 for forming skin opposite face is made up of the raw material with liquid permeability, containing thermoplastic synthetic resin, example Such as, the fabric nonwoven cloths such as hot blast fabric nonwoven cloth, spun-bonded non-woven fabrics, point bonded non-woven fabrics can preferably be used.As thermoplastic resin The example of fat, the olefin polymers such as ethene, propylene or polyethylene terephthalate can be enumerated, but be not limited to these. Skin lateral plate 2 is for example, it is preferable to which grammes per square metre is 10~100g/m², thickness is 0.5~5.0mm.In addition, skin lateral plate 2 can be without special Limitation ground uses raw material same with the raw material used at present in the technical field, can also use membrana perforata etc..

Non- skin lateral plate 3 by being formed with difficult liquid permeability or impermeability, the raw material containing thermoplastic synthetic resin, such as Synthetic resin can be used to be film-made, synthetic resin film and the layered product of non-woven fabrics or spunbond-meltblown-spunbond fold fiber without The non-woven fabrics of the high water-repellancy of water pressure resistance such as cloth, hot blast fabric nonwoven cloth, point viscous fabric nonwoven cloth, spun-bonded fibre non-woven fabrics is spun, But these are not limited to, same with the raw material used at present raw material in the technical field can be used with no particular limitation. The non-for example preferred grammes per square metre of skin lateral plate 3 is 10~50g/m², thickness is 8~200 μm.

The core material of absorbent core 41 includes the fiber assembly being made up of fibrous materials such as paper pulp fibers and formed.As fibre Material is tieed up, can be used with no particular limitation at present in the absorbability thing such as sanitary napkin or panty liner, disposable diaper The various materials used in the absorber of product, it is, for example, possible to use the cellulose-based fibre such as paper pulp fiber, staple fibre, cotton fiber Chopped fiber of the synthetic fibers such as the chopped fiber of dimension or polyethylene etc..These fibers can be used alone, or be applied in combination two More than kind.In addition, the ratio that fibrous material is preferred all or a part is paper pulp fiber, the preferably paper pulp fiber in fibrous material For 50~100 mass %, more preferably 80~100 mass %, more preferably 100 mass %.

In addition, water absorbent polymer can also be contained in absorbent core 41.As water absorbent polymer, for example, can be with Enumerate Sodium Polyacrylate, (acrylic-ethylene alcohol) copolymer, Sodium Polyacrylate crosslinked, (Starch with Acrylic Acid) graft copolymerization Thing, (isobutylene maleic acid anhydride) copolymer and its saponified, poly-aspartate etc..Because containing water absorbent polymer, so can It is more stable quickly to absorb, keep the discharged liquids such as substantial amounts of blood.

In addition, deodorant, antiseptic etc. can also be coordinated in absorbent core 41 as needed.

As the clad sheet (not shown) of cladding absorbent core 41, tissue paper, the non-woven fabrics etc. of water penetration can be enumerated.Inhale Acceptor 4 is formed by the upper and lower surface of clad sheet cladding absorbent core 41 (not shown).Clad sheet (not shown) is for preventing from inhaling The formation material of the property received core 41 is spilt, or the purpose for improving the conformality of absorbent core 41 uses.It is preferred that coat absorbent core 41 skin with respect between the clad sheet (not shown) and skin lateral plate 2 of surface side and cladding absorbent core 41 non-skin phase Pass through the bonding of the patterns such as point-like, helical form, ribbon coating between the clad sheet (not shown) of opposite side and non-skin lateral plate 3 Agent is bonded with each other.

As lateral plate 5, various used at present in the technical field can be used with no particular limitation, for example, can With layered product using the resin film of opaque liquid or water-repellancy, resin film and non-woven fabrics etc..As other materials, such as can With piece (e.g., SM, SMS, the SMMS for enumerating spun-bonded non-woven fabrics, spun-bonded non-woven fabrics (S) obtain with melt spraying non-woven fabrics (M) Composite Deng), fabric hot rolled nonwoven fabrics, water-repellancy (hydrophobicity) non-woven fabrics such as hot-wind nonwoven cloth.

The junction surface 6 that lateral plate 5 is engaged with skin lateral plate 2 can be processed by sealing and be formed according to usual method.

Wire pressing trough 7 (the first horizontal pressing trough 71, the second horizontal pressing trough 72 and vertical pressing trough 73) can be by with warm Without heat press process (so-called embossing process) or it is ultrasonic wave embossed wait embossing processing, formed according to usual method.

The action effect of the sanitary napkin 1 of above-mentioned present embodiment is illustrated.

As shown in Fig. 1~Fig. 2, sanitary napkin 1 has middle high portion 42, middle high portion 42 in the intermediate region 41M of absorbent core 41 As shown in Fig. 2 when overlooking absorbent core 41, the length with the horizontal Y of absorbent core 41 is maximum Breadth Maximum portion, and this is most The horizontal Y of big width portion length is identical with the intermediate region 41M of absorbent core 41 horizontal Y length.Therefore, even if conduct The sanitary napkin 1 of absorbent commodity is dressed under the state that slightlys offset, because the tracing ability to body shape is excellent, so be not easy to Wearer brings sense of discomfort, and gap is not likely to produce between the skin of wearer at it, can show sufficient absorbent properties.It is special Be not, in sanitary napkin 1, have above-mentioned Breadth Maximum portion along absorbent core 41 along longitudinal X both side edges, in longitudinal X to advise Fixed length extends the middle high central portion 421 to be formed.Therefore, it is possible to improve the uptake of discharged liquid, and as absorbability The sanitary napkin 1 of article situation about being dressed in the state of slightlyying offset or for wearing when body action or h.d. The posture of body etc., can also show sufficient absorbent properties.When high portion 42 is overlooked as shown in Figure 2 in addition, at least have The front side that longitudinal X in middle high central portion 421 and therefrom high central portion 421 leading section is protruded to first area 41F sides is convex Any for the rear side convex portion 423 that longitudinal X in portion 422 and therefrom high central portion 421 rearward end is protruded to second area 41R sides Person.Therefore, even if sanitary napkin 1 is dressed in the state of slightlyying offset, if in high portion 42 there is front side convex portion 422 and rear Any one of side convex portion 423, then for the power on the inside of from two huckles to the horizontal Y of sanitary napkin 1, pass through front side convex portion 422 Deformed with rear side convex portion 423, middle high portion 42 is just excellent to the tracing ability of body shape, is not easy to bring sense of discomfort to wearer. In addition, even if sanitary napkin 1 is dressed in the state of slightlyying offset, if in high portion 42 there is front side convex portion 422 and rear side Any one of convex portion 423, then be just not likely to produce gap at it between the skin of wearer, can show sufficient absorbability Energy.In such manner, it is possible to maintain in the wearing of sanitary napkin 1 for the stickiness of body, it is difficult to produce leakage.In sanitary napkin 1, in being particularly High portion 42 has both front side convex portion 422 and rear side convex portion 423, therefore can further function as the effect above.

In addition, sanitary napkin 1 as shown in Fig. 2 absorbent core 41 front side convex portion 422 and rear side convex portion 423 respectively with The mode that its width d gradually decreases is gone from top from the both sides along longitudinal X to the central portion positioned at horizontal Y 422t, 423t Formed.Therefore, it is also more excellent to the tracing ability of body shape even if sanitary napkin 1 is dressed in the state of slightlyying offset, it is less susceptible to Sense of discomfort is brought to wearer.

In addition, sanitary napkin 1 as shown in Fig. 2 absorbent core 41 intermediate region 41M have division in high portion 42 and middle height High border groove portion 43 in part beyond portion 42.Middle high border groove portion 43 is formed as lower than the grammes per square metre in middle high portion 42, Er Qieke Grammes per square metre again than the first area 41F and second area 41R of absorbent core 41 is low.Therefore, it is with middle high border groove portion 43 easily Starting point is bent, and is not easy to bring sense of discomfort to wearer.High border groove portion 43 is throughout the complete of the horizontal Y of absorbent core 41 in addition, It is long to be formed, thus in the width side edge part of absorbent core 41, also easily coordinate with the body shape of wearer or action Bending, fit further improve.

In addition, sanitary napkin 1 is configured at and high portion in composition as shown in Fig. 2 having in the intermediate region 41M of absorbent core 41 In the front of the adjacent first area 41F sides in 42 front side convex portion 422 high adjacent portions 44a and be configured at form in high portion High adjacent portions 44c in the rear of the adjacent second area 41R sides in 42 rear side convex portion 423.The thickness of high adjacent portions 44 in moreover, The size spent below the thickness of the first area 41F for absorbent core 41 and second area 41R thickness, and formed must be higher than middle The thickness in portion 42 is small.Therefore, even if sanitary napkin 1 is dressed in the state of slightlyying offset, it is not easy to skin with wearer at it Between produce gap, sufficient absorbent properties can be shown.In sanitary napkin 1, the grammes per square metre of middle high adjacent portions 44 is formed must be than absorbing The first area 41F of property core 41 grammes per square metre and second area 41R grammes per square metre are small, and the grammes per square metre of high border groove portion 43 is big than in, because This can further play the effect that the sense of discomfort of wearer is reduced in the effect above.

In addition, particularly when long-time wears sanitary napkin 1, the repeated deformation of sanitary napkin 1 because of the motion of body, Middle high adjacent portions 44 may be damaged and in the case of damaging absorbent properties, the thickness of middle high adjacent portions 44 can also be than absorbing The first area 41F and second area 41R of property core 41 thickness are big.

In addition, the repeated deformation because of the motion of body, the situation of absorbent properties is damaged in the middle high meeting of adjacent portions 44 breakage Under, the grammes per square metre of middle high adjacent portions 44 can also be bigger than the first area 41F and second area 41R of absorbent core 41 grammes per square metre.

In addition, sanitary napkin 1 in the first area 41F and second area 41R of absorbent core 41 as shown in Fig. 2 have groove portion 45 and small absorption portion 46, therefore be easily that starting point is bent with groove portion 45, it is not easy to bring sense of discomfort to wearer.

More than, it is illustrated for the present invention based on its preferred embodiment, but the absorbent commodity of the present invention is not By any restrictions of sanitary napkin 1 of present embodiment, can suitably change.

For example, the front side convex portion 422 of the absorbent core 41 in sanitary napkin 1, as shown in Fig. 2 two side 422s, 422s are each From not bending, from being gone along longitudinal X lateral margin 41s to top 422t as the crow flies linearly to extend for absorbent core 41, front The width d of side convex portion 422 goes continuously to gradually decrease along longitudinal X lateral margin 41s from absorbent core 41 to top 422t, but As long as the width d of front side convex portion 422 is gradually decreased merely, then can also periodically gradually decrease.Front side convex portion 422 Directly linearly to extend, the width d of front side convex portion 422 from both side edges 41s, 41s along longitudinal X of absorbent core 41 to Top 422t goes continuously to gradually decrease, thus in addition to being improved to the stickiness of body, also from above-mentioned fiber accumulations device The aspect that improves of release property of above-mentioned aggregation when being departed from recess 55 and it is preferred that.Hereinafter, the width as front side convex portion 422 The example that d is gradually decreased, enumerate the example shown in Fig. 6 (a)~Fig. 6 (e) and illustrate.Rear side convex portion 423 is similarly.

The front side convex portion 422 of absorbent core 41 shown in Fig. 6 (a) is formed as from absorbent core 41 along longitudinal X's Lateral margin 41s goes to form the certain curve of radius of curvature to top 422t.Because forming the shape so protruded to top 422t, so The width d of front side convex portion 422 is gradually decreased.

Then, the front side convex portion 422 of the absorbent core 41 shown in Fig. 6 (b) is from the side along longitudinal X of absorbent core 41 Edge 41s is gone to top 422t, and side 422s is formed as the straight line in midway bending.Because forming the shape so protruded to top 422t Shape, so the width d of front side convex portion 422 is gradually decreased.

Then, the front side convex portion 422 of the absorbent core 41 shown in Fig. 6 (c) is formed as from absorbent core 41 along vertical Go to form the different a plurality of curve of radius of curvature to X lateral margin 41s to top 422t.Because forming what is so protruded to top 422t Shape, so the width d of front side convex portion 422 is periodically gradually decreased.

Then, the front side convex portion 422 of the absorbent core 41 shown in Fig. 6 (d) is formed as from absorbent core 41 along vertical Gone to X lateral margin 41s to top 422t, side 422s formed to midway with straight line, and it is certain that radius of curvature is formed from halfway Curve.Because forming the shape so protruded to top 422t, so the width d of front side convex portion 422 is gradually decreased.

Then, the front side convex portion 422 of the absorbent core 41 shown in Fig. 6 (e) is from the lateral margin along longitudinal X of absorbent core 41 41s is gone to top 422t, with the front side convex portion 422 of the absorbent core 41 shown in Fig. 6 (d) on the contrary, side 422s is with curvature half The certain curve in footpath is formed to midway, is formed from halfway with straight line.Because forming the shape so protruded to top 422t, so The width d of front side convex portion 422 is gradually decreased.

In addition, the front side convex portion 422 of sanitary napkin 1 in the leading section in middle high central portion 421 as shown in Fig. 2 be only configured with One, but as shown in Fig. 6 (f), can also be configured with the leading section in middle high central portion 421 multiple.

In addition, the first area 41F of sanitary napkin 1 is identical with second area 41R thickness, but as long as high portion 42 is thick than in Spend small or mutually different thickness.In addition, the first area 41F of sanitary napkin 1 is identical with second area 41R grammes per square metre, But as long as the small or mutually different grammes per square metre of the grammes per square metre in high portion 42 than in.In addition, the first area 41F of sanitary napkin 1 and Two region 41R have groove portion 45 and small absorption portion 46, but can also not have, and can also have groove portion 45 of different shapes and small Absorption portion 46.

In addition, the entirety of the absorbent core 41 of sanitary napkin 1 is integrally formed, but can not also be one of the forming.For example, inhaling In the property received core 41, identical height can also be formed as by core material up to second area 41R from the 41F of first area, then, The part that configuration is formed using other core materials, high portion 42 in formation.

In addition, the absorbent core 41 of sanitary napkin 1 can also include not having divided pantostrat throughout entire surface direction.

In addition, sanitary napkin 1 in the both sides along longitudinal X of the skin opposite face of skin lateral plate 2 as shown in figure 1, configure There is lateral plate 5, but leakproof pad can also be formed in the elastomeric element of longitudinal X configuration elongation states in the free end of lateral plate 5.

In addition, sanitary napkin 1 in the excretion opposed area B left and right sides along longitudinal X as shown in figure 1, have a pair of wings Portion 1W, 1W, but can also not have a pair of alar parts 1W, 1W.In addition, in addition to a pair of alar parts 1W, 1W, rear area C along The longitudinal X left and right sides can also have a pair of rear wings.

In addition, in the sanitary napkin 1 shown in Fig. 1, suppress what integration obtained as by skin lateral plate 2 and absorbent core 41 Wire groove, there are a pair of the vertical pressing troughs 73 extended to longitudinal X of absorbent core 41, come from the viewpoint of further prevent leakage See, indulge pressing trough 73 with along longitudinal X across high portion 42 in absorbent core 41, middle high border groove portion 43, middle high adjacent portions 44 side Formula is formed.But sanitary napkin 1 as shown in Figure 7, can also be in the excretion opposed area B of absorber 4 longitudinal X front and back end Portion, have in the inner part respectively in the second horizontal pressure of horizontal Y extensions than a pair of vertical pressing troughs 73 and a pair of first horizontal pressing troughs 71 Groove 72 processed.So, by setting the second horizontal pressing trough 72 in the inner side of sanitary napkin 1, sanitary napkin 1 can be with the second horizontal pressing trough 72 To play point deformation, the stickiness to skin is further improved.

In addition, sanitary napkin 1 as shown in Figure 8, can also be in excretion opposed area B a pair of end compression systems along longitudinal X The width Y of groove 73,73 outside sets a pair vertical pressing trough 73A, 73A., can by setting vertical pressing trough 73A, 73A First area 41F and second area 41R absorbability, flexibility is enough maintained, and can enough further prevents the fold of excretory portion. According to the viewpoint for preventing fold or fit, more preferably vertical pressing trough 73A, 73A are configured at intermediate region 41M position in longitudinal X Put.

In addition, the absorbent core 41 of sanitary napkin 1 can also form groove portion 45 in non-skin with respect to surface side.Thus, liquid is improved Body diffusivity and liquid retainability.

In addition, in sanitary napkin 1, the front region A of sanitary napkin 1 size and the first area 41F's of absorbent core 41 Size is unanimous on the whole, but can also be inconsistent.In addition, the rear area C of sanitary napkin 1 size and the secondth area of absorbent core 41 Domain 41R size is unanimous on the whole, can also be inconsistent.

In addition, the absorbent commodity of the present invention is in addition to sanitary napkin or panty liner (piece of cloth), incontinence Pad etc..

On above-mentioned embodiments of the present invention, following absorbent commodity is also disclosed.

The suction of longer shape on a kind of absorbent commodities of the ＞ of ＜ 1, including longitudinal direction corresponding with the fore-and-aft direction of wearer The property received core, and there is front region and rear area, wherein,

Above-mentioned absorbent core is in second positioned at the first area of above-mentioned front region side and positioned at above-mentioned rear area side There is intermediate region, in having the thickness of the thickness ratio first area and the second area thick in the intermediate region between region High portion,

Above-mentioned absorbent core is overlooked, above-mentioned middle high portion has the horizontal length orthogonal with the above-mentioned longitudinal direction of the absorbent core It is identical with the horizontal length of above-mentioned absorbent core for the Breadth Maximum portion of maximum, the horizontal length in the Breadth Maximum portion.

The absorbent commodity that the ＞ of ＜ 2 record according to the above-mentioned ＞ of ＜ 1, wherein,

Above-mentioned middle high portion includes middle high central portion, and high central portion is above-mentioned Breadth Maximum portion along above-mentioned absorbent core in this Extend what is formed in above-mentioned longitudinal direction with defined length along above-mentioned longitudinal both side edges.

The absorbent commodity that the ＞ of ＜ 3 record according to the above-mentioned ＞ of ＜ 2, wherein,

Above-mentioned middle high portion is including from above-mentioned middle high central portion, side or rear side go horizontal length than above-mentioned maximum forwards The front side convex portion or rear side convex portion that width portion narrows.

The absorbent commodity that the ＞ of ＜ 4 record according to the above-mentioned ＞ of ＜ 3, wherein,

Above-mentioned middle high portion has above-mentioned front side convex portion and above-mentioned rear side convex portion.

The absorbent commodity that the ＞ of ＜ 5 record according to the above-mentioned ＞ of ＜ 4, wherein,

Above-mentioned front side convex portion is configured with one in longitudinal leading section in above-mentioned middle high central portion, above-mentioned rear side convex portion Longitudinal rearward end in above-mentioned middle high central portion is configured with one,

Above-mentioned front side convex portion and above-mentioned rear side convex portion are respectively with from the both sides along longitudinal direction in transverse direction The mode that the length for going its horizontal at the top of the portion of centre gradually decreases is formed.

The absorbent commodity that the ＞ of ＜ 6 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 5, wherein,

Above-mentioned middle high portion is in skin abutment face side without grammes per square metre than the above-mentioned first area of above-mentioned absorbent core and above-mentioned The low recess of the grammes per square metre of second area.

The absorbent commodity that the ＞ of ＜ 7 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 6, wherein,

Above-mentioned middle high portion is formed as grammes per square metre of the grammes per square metre than the above-mentioned first area of above-mentioned absorbent core and above-mentioned second area Grammes per square metre it is high.

The absorbent commodity that the ＞ of ＜ 8 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 7, wherein,

Above-mentioned absorbent core has the side for dividing above-mentioned middle high portion and the part in this beyond high portion in above-mentioned intermediate region High border groove portion in boundary,

Above-mentioned middle high border groove portion is formed throughout the horizontal total length of above-mentioned absorbent core.

The absorbent commodity that the ＞ of ＜ 9 record according to the above-mentioned ＞ of ＜ 8, wherein,

Above-mentioned middle high border groove portion is formed as above-mentioned first area of the grammes per square metre than above-mentioned absorbent core and above-mentioned second area Grammes per square metre it is low.

The absorbent commodity that the ＞ of ＜ 10 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 9, wherein,

Above-mentioned middle high portion includes middle high central portion, and high central portion is above-mentioned Breadth Maximum portion along above-mentioned absorbent core in this Extend what is formed in above-mentioned longitudinal direction with defined length along above-mentioned longitudinal both side edges,

During above-mentioned middle high central portion section view, to go its height reduction to along the both sides of longitudinal direction from the central portion of transverse direction Mode is formed.

The absorbent commodity that the ＞ of ＜ 11 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 9, wherein,

During above-mentioned middle high central portion section view, to go what its grammes per square metre reduced from the central portion of transverse direction to the both sides along longitudinal direction Mode is formed.

The absorbent commodity that the ＞ of ＜ 12 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 11, wherein,

Above-mentioned absorbent core has the side for dividing above-mentioned middle high portion and the part in this beyond high portion in above-mentioned intermediate region High border groove portion in boundary, have in the region in addition to high border groove portion in above-mentioned middle high portion and this of above-mentioned intermediate region Middle high adjacent portions,

The grammes per square metre of above-mentioned middle high adjacent portions is smaller than the grammes per square metre in above-mentioned middle high portion, and than the grammes per square metre of above-mentioned middle high border groove portion Greatly.

The absorbent commodity that the ＞ of ＜ 13 record according to the above-mentioned ＞ of ＜ 12, wherein,

The grammes per square metre of above-mentioned middle high adjacent portions and the above-mentioned first area of above-mentioned absorbent core and the grammes per square metre of above-mentioned second area It is identical or smaller.

The absorbent commodity that the ＞ of ＜ 14 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 13, wherein,

The thickness of the above-mentioned middle high border groove portion of thickness ratio of above-mentioned middle high adjacent portions is big, and than the thickness in above-mentioned middle high portion It is small.

The absorbent commodity that the ＞ of ＜ 15 record according to the above-mentioned ＞ of ＜ 14, wherein,

The thickness of above-mentioned middle high adjacent portions and the above-mentioned first area of above-mentioned absorbent core and the thickness of above-mentioned second area It is identical or smaller.

The absorbent commodity that the ＞ of ＜ 16 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 15, wherein,

Above-mentioned absorbent core includes not having divided pantostrat throughout its entire surface direction.

The absorbent commodity that the ＞ of ＜ 17 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 16, wherein,

Longitudinal total length in above-mentioned middle high portion is more than the 25% and less than 80% of longitudinal total length of above-mentioned absorbent core.

The absorbent commodity that the ＞ of ＜ 18 record according to any one of above-mentioned ＞ of 2 ＞ of ＜~＜ 5, wherein,

Longitudinal total length in the above-mentioned middle high central portion in above-mentioned middle high portion is the 20% of longitudinal total length in above-mentioned middle high portion Above and less than 80%.

The absorbent commodity that the ＞ of ＜ 19 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 18, wherein,

Above-mentioned absorbent commodity includes forming the skin lateral plate of skin opposite face, forms the non-skin side of non-skin opposite face Piece and the above-mentioned absorbent core between the two pieces,

Above-mentioned absorbent core, which has, divides above-mentioned middle high portion and high border groove portion in the portion boundary beyond it, upper The region in addition to high border groove portion in above-mentioned middle high portion and this for stating intermediate region has middle high adjacent portions,

Above-mentioned absorbent commodity, the wire groove obtained as above-mentioned skin lateral plate and the compacting integration of above-mentioned absorbent core, A pair of vertical pressing troughs with the Longitudinal extending in above-mentioned absorbent core,

Above-mentioned vertical pressing trough with along longitudinal direction step up state middle high portion, above-mentioned middle high border groove portion, above-mentioned middle high adjacent portions side Formula is formed.

The absorbent commodity that the ＞ of ＜ 20 record according to the above-mentioned ＞ of ＜ 19, wherein,

Have in the inner side of above-mentioned a pair vertical pressing troughs in the horizontal pressing trough extended laterally.

The absorbent commodity that the ＞ of ＜ 21 record according to the above-mentioned ＞ of the ＜ 19 or ＞ of ＜ 20, wherein,

Above-mentioned absorbent commodity is in the width side along above-mentioned above-mentioned a pair longitudinal vertical pressing troughs of above-mentioned intermediate region To outside there are a pair second vertical pressing troughs.

The absorbent commodity that the ＞ of ＜ 22 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 21, wherein,

The groove portion extended transversely, the groove are configured with the above-mentioned first area of above-mentioned absorbent core and above-mentioned second area Compared with the part beyond the groove portion of the first area and the second area, the grammes per square metre of the formation material of absorbent core is low in portion.

The absorbent commodity that the ＞ of ＜ 23 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 22, wherein,

The groove portion extended longitudinally, the groove are configured with the above-mentioned first area of above-mentioned absorbent core and above-mentioned second area Compared with the part beyond the groove portion of the first area and the second area, the grammes per square metre of the formation material of absorbent core is low in portion.

The absorbent commodity that the ＞ of ＜ 24 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 23, wherein,

Above-mentioned absorbent core is made up of integrally formed.

The absorbent commodity that the ＞ of ＜ 25 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 24, wherein,

There are a pair of alar parts in the outside of laterally two sides of above-mentioned absorbent commodity, in each alar part at longitudinally spaced interval Above-mentioned intermediate region be present each other in the root of the alar part of configuration.

The absorbent commodity that the ＞ of ＜ 26 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 25, wherein,

The above-mentioned intermediate region of above-mentioned absorbent commodity exists each other throughout the root of above-mentioned alar part.

The absorbent commodity that the ＞ of ＜ 27 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 26, wherein,

Length between longitudinal length of the above-mentioned intermediate region of above-mentioned absorbent commodity and the root of above-mentioned alar part Spend identical.

The absorbent commodity that the ＞ of ＜ 28 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 27, wherein,

Above-mentioned absorbent commodity has rear alar part in the horizontal rear portion of above-mentioned second area.

The absorbent commodity that the ＞ of ＜ 29 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 28, wherein,

Having in the left and right sides of the fore-and-aft direction along above-mentioned absorbent commodity can be to the solid that wearer side erects Pad.

The absorbent commodity that the ＞ of ＜ 30 record according to any one of above-mentioned ＞ of 1 ＞ of ＜~＜ 29, wherein,

Above-mentioned absorbent commodity is more than total length 30cm sanitary napkin.

Embodiment

Hereinafter, the present invention is further illustrated using embodiment, the present invention is not by the embodiment any restrictions.

(embodiment 1)

Manufacture the absorbent core of form shown in Fig. 9.Mixing of the absorbent core 41 as paper pulp fiber and water absorbent polymer Fiber accumulations body is formed.Absorbent core 41 has middle high portion 42 in intermediate region 41M, and middle high portion 42 has throughout absorbent core The middle high central portion 421 of 41 whole width, the rear ends in middle high central portion 421 have the and of front side convex portion 422 respectively Rear side convex portion 423.The thickness in middle high portion 42 is 3.5mm, first area 41F thickness and second area 41R thickness is 2, 3mm.The grammes per square metre in middle high portion 42 is 350g/m², first area 41F grammes per square metre and second area 41R grammes per square metre are 250g/m².Thickness Determined with grammes per square metre by above-mentioned method.Longitudinal X in high portion 42 total length L2 is the complete of longitudinal X of absorbent core 41 in addition, The 63% of long L1.

Then, coat the absorbent core of form shown in Fig. 9 using tissue paper and form absorber, be clipped in skin lateral plate and non- Between skin lateral plate, the sanitary napkin of embodiment 1 is made.Between absorber and skin lateral plate and absorber and non-skin lateral plate it Between engaged via bonding agent.

As skin lateral plate and outer-skin sheet, following pieces is used.

Skin lateral plate：Grammes per square metre 30g/m²Hot-wind nonwoven cloth

Non- skin lateral plate：Grammes per square metre 25g/m²Non- moisture-inhibiting polyethylene film piece

(comparative example 1)

Except the absorbent core 41 ' using form shown in Figure 10 (a), manufacture beyond sanitary napkin, with defending for embodiment 1 Raw towel is same, the sanitary napkin of comparison example 1.The absorbent core 41 ' of form shown in Figure 10 (a) and the absorption of form shown in Fig. 9 Property core is compared, and does not have front side convex portion 422 and rear side convex portion 423, the point in only middle high central portion 421 ' in middle high portion 42 ' It is different.The thickness and grammes per square metre in middle high portion 42 ' are identical with the sanitary napkin of embodiment 1, first area 41F ' and second area 41R ' thickness and grammes per square metre is identical with the sanitary napkin of embodiment 1.Longitudinal X in high portion 42 ' total length is absorbent core in addition, The 63% of 41 ' longitudinal X total length.

(comparative example 2)

Except the absorbent core 41 ' using form shown in Figure 10 (b), manufacture beyond sanitary napkin, with defending for embodiment 1 Raw towel is same, the sanitary napkin of comparison example 2.The absorbent core 41 ' of form shown in Figure 10 (b) and the absorption of form shown in Fig. 9 Property core compare, have not high portion 421X in the whole width throughout absorbent core 41 point different in middle high portion 42 '. The thickness and grammes per square metre in middle high portion 42 ' are identical with the sanitary napkin of embodiment 1, first area 41F ' and second area 41R ' thickness and Grammes per square metre is identical with the sanitary napkin of embodiment 1.Longitudinal X in high portion 42 ' total length is the complete of longitudinal X of absorbent core 41 ' in addition, Long 63%.

(comparative example 3)

Except the absorbent core 41 ' using form shown in Figure 10 (c), manufacture beyond sanitary napkin, with defending for embodiment 1 Raw towel is same, the sanitary napkin of comparison example 3.The absorbent core 41 ' of form shown in Figure 10 (c) and the absorption of form shown in Fig. 9 Property core compare, have not high portion 421X in the whole width throughout absorbent core 41 point different in middle high portion 42 '. High portion 421X is formed with crosswise in addition,.The thickness and grammes per square metre in middle high portion 42 ' are identical with the sanitary napkin of embodiment 1, the firstth area Domain 41F ' and second area 41R ' thickness and grammes per square metre are identical with the sanitary napkin of embodiment 1.Longitudinal X in high portion 42 ' in addition, Total length is the 63% of longitudinal X of absorbent core 41 ' total length.

(evaluation)

Pass through following method, the sanitary napkin of sanitary napkin and comparative example 1~3 to embodiment 1, evaluation rigidity.

The sanitary napkin of sanitary napkin and comparative example 1~3 firstly, for the embodiment 1 of making, in 23 DEG C of temperature, humidity 50% laboratory preserves 24 hours.Afterwards, as test sample, under identical environmental condition, with pliability method of testing On the basis of (JIS L-1096), values of stiffness is determined.Daiei science essence is used as pliability tester (Handle-O-Meter) Device makes made model：HOM-200.By test sample, so that non-skin lateral plate side is towards downside and its longitudinal direction and width The mode that 10m groove is at a right angle is configured on sample bench.Then, from front region side of the front region side away from middle high portion Front end 10mm position is gone to middle high portion, the position per 10mm, make injector (Penetrator) increased pressure board (blade) with 200mm/min fixed speed declines, the peak shown in indicator (charge instrument) when reading compression distance 8mm.For reality The sanitary napkin of the sanitary napkin and comparative example 1~3 of applying example 1 respectively determines 5, and the data that will obtain the average value of measurement result represent to exist In Figure 11.

It was found from the result shown in Figure 11, the sanitary napkin of embodiment 1 is compared with the sanitary napkin of comparative example 1~3, in middle high portion Front region side front end near region, values of stiffness smoothly rises.So understand, due to the portion not steeply risen rigidly Point, so the sanitary napkin of embodiment 1 is not easy to form kink, and flexibly deform.As long as the health of embodiment 1 as use Towel, it can expect to dress in the state of slightlyying offset, because the tracing ability to body shape is excellent, so being not easy to wearing Wearer brings sense of discomfort, and gap is not likely to produce between sanitary napkin and the skin of wearer, can show sufficient absorbent properties.

Industrial applicability

According to the present invention, absorbent commodity is dressed in the state of slightlyying offset, because of the tracing ability to body shape It is excellent, so being not easy to bring sense of discomfort to wearer, gap is not likely to produce between absorbent commodity and the skin of wearer, Sufficient absorbent properties can be shown.

Claims

1. the absorbent core of longer shape on a kind of absorbent commodity, including longitudinal direction corresponding with the fore-and-aft direction of wearer, And there is front region and rear area, the absorbent commodity is characterised by：

The absorbent core is positioned at the first area of the front region side and the second area positioned at the rear area side Between there is intermediate region, there is the thick middle height of the thickness of the thickness ratio first area and the second area in the intermediate region Portion,

When overlooking the absorbent core, the middle high portion is with the horizontal length orthogonal with the longitudinal direction of the absorbent core Maximum Breadth Maximum portion, the horizontal length in the Breadth Maximum portion are identical with the horizontal length of the absorbent core.

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

The middle high portion includes middle high central portion, and high central portion is the Breadth Maximum portion along the edge of the absorbent core in this Longitudinal both side edges extend what is formed in the longitudinal direction with defined length.

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

The middle high portion is including from the middle high central portion, side or rear side go horizontal length than the Breadth Maximum forwards The front side convex portion or rear side convex portion that portion narrows.

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

The middle high portion has the front side convex portion and the rear side convex portion.

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

The front side convex portion is configured with one in longitudinal leading section in the middle high central portion, and the rear side convex portion is in institute The longitudinal rearward end for stating middle high central portion is configured with one,

The front side convex portion and the rear side convex portion are respectively with from the both sides along longitudinal direction to the central portion positioned at transverse direction The mode that gradually decreases of the top length of going its horizontal formed.

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

The middle high portion is in skin abutment face side without grammes per square metre than the first area of the absorbent core and described by second The low recess of the grammes per square metre in region.

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

The middle high portion is formed as grammes per square metre than the grammes per square metre of the first area of the absorbent core and gram of the second area Weight is high.

8. according to absorbent commodity according to any one of claims 1 to 7, it is characterised in that：

The absorbent core has in the intermediate region divides the middle high portion and the portion boundary beyond high portion in this Middle high border groove portion,

The middle high border groove portion is formed throughout the horizontal total length of the absorbent core.

9. absorbent commodity according to claim 8, it is characterised in that：

The middle high border groove portion is formed as grammes per square metre than the first area of the absorbent core and gram of the second area Weight is low.

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

The middle high portion includes middle high central portion, and high central portion is the Breadth Maximum portion along the edge of the absorbent core in this Longitudinal both side edges extend what is formed in the longitudinal direction with defined length,

During the middle high central portion section view, in a manner of going its height reduction to the both sides along longitudinal direction from the central portion of transverse direction Formed.

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

During the middle high central portion section view, in a manner of going its grammes per square metre to reduce to the both sides along longitudinal direction from the central portion of transverse direction Formed.

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

The absorbent core has in the intermediate region divides the middle high portion and the portion boundary beyond high portion in this Middle high border groove portion, there is middle height in the region in addition to high border groove portion in the middle high portion and this of the intermediate region Adjacent portions,

The grammes per square metre of the middle high adjacent portions is smaller than the grammes per square metre in the middle high portion, and bigger than the grammes per square metre of the middle high border groove portion.

13. absorbent commodity according to claim 12, it is characterised in that：

The grammes per square metre of the middle high adjacent portions is identical with the first area of the absorbent core and the grammes per square metre of the second area It is or smaller.

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

The thickness of high border groove portion is big in described in the thickness ratio of the middle high adjacent portions, and smaller than the thickness in the middle high portion.

15. absorbent commodity according to claim 14, it is characterised in that：

The thickness of the middle high adjacent portions is identical with the first area of the absorbent core and the thickness of the second area It is or smaller.

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

The absorbent core includes not having divided pantostrat throughout its entire surface direction.

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

Longitudinal total length in the middle high portion is more than the 25% and less than 80% of longitudinal total length of the absorbent core.

18. the absorbent commodity according to any one of claim 2~5, it is characterised in that：

Longitudinal total length in the middle high central portion in the middle high portion is more than the 20% of longitudinal total length in the middle high portion And less than 80%.

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

The absorbent commodity include being formed the skin lateral plate of skin opposite face, the non-skin lateral plate for forming non-skin opposite face, And the absorbent core between the two pieces,

The absorbent core, which has, divides the middle high portion and high border groove portion in the portion boundary beyond it, in described Between region except the region in the middle high portion and this in addition to high border groove portion has middle high adjacent portions,

The absorbent commodity has as the wire groove for obtaining the skin lateral plate and absorbent core compacting integration In a pair of Longitudinal extending vertical pressing troughs of the absorbent core,

The vertical pressing trough by along longitudinal direction across the middle high portion, the middle high border groove portion, the middle high adjacent portions in a manner of shape Into.

20. absorbent commodity according to claim 19, it is characterised in that：

Have in the inner side of the pair of vertical pressing trough in the horizontal pressing trough extended laterally.

21. the absorbent commodity according to claim 19 or 20, it is characterised in that：

Width along the longitudinal the pair of vertical pressing trough of the absorbent commodity in the intermediate region Outside has a pair second vertical pressing troughs.

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

Be configured with the groove portion extended transversely in the first area of the absorbent core and the second area, the groove portion with The first area is compared with the part beyond the groove portion of the second area, and the grammes per square metre of the formation material of absorbent core is low.

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

Be configured with the groove portion extended longitudinally in the first area of the absorbent core and the second area, the groove portion with The first area is compared with the part beyond the groove portion of the second area, and the grammes per square metre of the formation material of absorbent core is low.

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

The absorbent core is made up of integrally formed.

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

There are a pair of alar parts in the outside of laterally two sides of the absorbent commodity, in each alar part in longitudinally spaced interval configuration The alar part root each other the intermediate region be present.

26. absorbent commodity according to claim 25, it is characterised in that：

The intermediate region of the absorbent commodity exists each other throughout the root of the alar part.

27. the absorbent commodity according to power requires 25 or 26, it is characterised in that：

Length phase between longitudinal length of the intermediate region of the absorbent commodity and the root of the alar part Together.

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

The absorbent commodity has rear alar part in the horizontal rear portion of the second area.

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

Having in the left and right sides of the fore-and-aft direction along the absorbent commodity can be to the stereo enclosure that wearer side erects.

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

The absorbent commodity is more than total length 30cm sanitary napkin.