CN108472168A - Absorbent commodity - Google Patents

Abstract

The absorber (4) of the absorbent commodity (1) of the present invention has middle high portion (43) in middle part (M).Absorber (4) has the rear gap zone (RS) configured with the rear slot (R1) extended on longitudinal direction (X) in the position of side rearward than middle high portion (43).Rear gap zone (RS) has the rear slot (R1) extended on longitudinal direction (X).Rear gap zone (RS) is across vertical center line (CL) in both sides configured with a pair.Configuration in rear slot (R1) is identical as middle high width (b3) of transverse direction (Y) of rear end (43B) of longitudinal direction (X) of portion (43) or wider than the width (b3) at the interval (d1) of the position near middle high portion (43) and close slot (R1a, R1a) the mutual transverse direction (Y) of a pair positioned at the position on the inside of transverse direction (Y).

Description

Absorbent commodity

Technical field

The present invention relates to a kind of absorbent commodities.

Background technology

The applicant has been previously proposed a kind of absorbent commodity, has：In the center of the excretory portion counterpart of absorber Portion is dispersedly formed with the central gap zone of vertical slot；In the rear part of absorber, simultaneously shape is configured to being longitudinally spaced property At the rear gap zone (patent document 1) for having the rear slot extended in the horizontal.According to the absorbability object of patent document 1 Product, are not likely to produce deeper bending or gauffer, conformable raising, and wearing feeling improves.

As technology unlike this, Patent Document 2 discloses following absorbent commodities：Just in absorbent commodity Make to extend in gap of the absorbent commodity between the buttocks of wearer in use and for the viewpoint stablized, at the rear portion of absorber Distribution is equipped with the elongated through hole extended along longitudinal Central Line of article.

Existing technical literature

Patent document

Patent document 1：Japanese Patent Laid-Open 2015-23999 bulletins

Patent document 2：Japanese Patent Laid 2005-512680 bulletins

Invention content

The present invention provides a kind of absorbent commodity, have it is corresponding with the front-rear direction of wearer longitudinal and with the longitudinal direction Orthogonal transverse direction, and there is absorber, and longitudinally there is front part, middle part and rear part along this.Above-mentioned absorber exists The skin of above-mentioned middle part with respect to surface side have thickness it is thicker than other parts in high portion.Above-mentioned absorber is than high portion among the above The position of side has configured with the rear gap zone in above-mentioned longitudinally extending rear slot rearward.The rear slot area Domain across by above-mentioned absorber in above-mentioned transverse direction two partially above-mentioned longitudinally extending imagination indulge center line, match in both sides It is equipped with a pair, constitutes the configuration in the above-mentioned rear slot of a pair of above-mentioned rear gap zone in the position near high portion among the above And positioned at the mutual lateral interval of close slot of the position near lateral inside, longitudinal rear end with high portion in this Lateral lateral width of same size or more than longitudinal rear end in high portion in this.

Description of the drawings

Fig. 1 is from skin with respect to the physiology as a preferred embodiment for the absorbent commodity of the present invention from surface side The plan view obtained by sanitary napkin.

Fig. 2 is the sectional view in the sections II-II for schematically showing Fig. 1.

Fig. 3 is the sectional view in the sections III-III for schematically showing Fig. 1.

Fig. 4 is from skin with respect to plane obtained by absorber possessed by sanitary napkin shown in surface side observation chart 1 Figure.

Fig. 5 is the absorber with respect to another embodiment possessed by the absorbent commodity of the present invention from surface side from skin Obtained by vertical view.

Specific implementation mode

Present inventors have discovered that when h.d. use makes the posture that body is lain on the back, with regard to common ight physiology For sanitary napkin, between in the excretory portion counterpart being oppositely disposed than the fluid drainage portion of wearer, place easy tos produce rearward Gap, when once excreting a large amount of menses etc., menses are easy to flow along skin, and cause to leak.For such leakage, if wearing The absorbent commodity of patent document 1, then makes conformable raising using rear gap zone, therefore there is certain effect Fruit, but due to configure central gap zone absorber middle high part with from this high portion to constitute rear gap zone Rear slot between part poor rigidity, sometimes result in and generate gap between absorbent commodity and skin, patent text Offering 1 absorbent commodity, there are rooms for improvement.

If in addition, wearing absorbent commodity recorded in patent document 2, when wearing, the rear area of absorber becomes Shape is the shape being bent towards the skin of wearer by starting point of through hole, therefore can bring sense of discomfort to wearer.

Therefore, the issue of the present invention is to provide a kind of absorbability objects for eliminating the disadvantage present in the above-mentioned prior art Product.

Hereinafter, to the present invention absorbent commodity based on as its preferred embodiment sanitary napkin 1 (with It is described with reference to the accompanying drawings down also referred to as " sanitary napkin 1 ").Sanitary napkin 1 have longitudinal direction X corresponding with the front-rear direction of wearer and The lateral Y orthogonal with longitudinal X, and there is absorber 4, there is front part F, middle part M and rear part R along longitudinal direction X.Fig. 1 ~sanitary napkin 1 shown in Fig. 3 is adapted for the overnight hygienic band that h.d. uses.It is defended from indicating surface side opposite from skin in Fig. 1 The sectional view of sanitary napkin 1 is indicated in plan view obtained by raw towel 1, Fig. 2 and Fig. 3.In addition, being represented in Fig. 4 from skin with respect to surface side Observe plan view obtained by absorber 4 possessed by sanitary napkin 1.

In the present embodiment, as shown in FIG. 1 to 3, sanitary napkin 1 has absorbent main body 10, the absorbent main body 10 Positive dough sheet 2 and back sheet 3 with absorber 4, clamping absorber 4.In other words, absorbent main body 10 has：Form skin phase The positive dough sheet 2 of the liquid permeability on opposite；Form the back sheet 3 of non-skin opposite face；And the suction between this two panels 2,3 Acceptor 4.In the present embodiment, the absorber 4 of sanitary napkin 1 is formed by absorbent sheet, specifically, as shown in Figures 2 and 3, As overlapping with the construction of multi-layer, absorbing piece in a thickness direction.In sanitary napkin 1, the absorber 4 that is formed by absorbent sheet Containing superabsorbent polymer and constitute fiber.

As shown in Figure 1, the absorbent main body 10 of sanitary napkin 1 has：Middle part M, it includes when wearing and wearer The excretory portion counterpart of excretory portion, that is, introitus relative configuration；Front part F, configuration than middle part M before depending on wearer The position of side；With rear part R, configure in the position for the rear side for depending on wearer than middle part M, and the formation of absorbent main body 10 For longer shape in the longitudinal direction.Sanitary napkin 1 and absorbent main body 10 have corresponding with the front-rear direction of wearer vertical Lateral Y to X, orthogonal with longitudinal direction X and thickness direction Z.That is, absorbent main body 10 is before longitudinal direction X has along front-rear direction Square portion F, middle part M and rear part R, are sequentially divided with this.

In addition, sanitary napkin 1 is formed as enantiomorphic form about vertical center line CL, which is by sanitary napkin 1 The lateral centers Y and the imaginary bisecting line that extends on longitudinal X.

In addition, in the present specification, skin opposite face is defending for sanitary napkin 1 or its component parts (such as positive dough sheet 2) Raw towel 1 when wearing towards the face of the skin side of wearer, non-skin opposite face is sanitary napkin 1 or its component parts in health The face of the direction side (wear the clothes side) opposite with skin side when wearing of towel 1.In addition, longitudinal direction X and sanitary napkin 1 and absorbent main body 10 length direction is consistent, the width direction (direction orthogonal to the longitudinal direction) of lateral Y and sanitary napkin 1 and absorbent main body 10 Unanimously.

In the present embodiment, as shown in figures 1 and 3, sanitary napkin 1 also has other than with absorbent main body 10 Alar part 10H, 10H after a pair, alar part 10H, 10H are than the positions of middle part M rearward in absorbent main body 10 after a pair Rear part R extends from the both sides along longitudinal X of absorbent main body 10 to the outside of lateral Y respectively.In addition, in sanitary napkin 1 In, as depicted in figs. 1 and 2, there is a pair of of alar part 10W, 10W, a pair of alar part 10W, 10W are respectively from absorbent main body 10 Between portion M the both sides along longitudinal X to the outside of lateral Y extend.

In addition, the present invention absorbent commodity in, so-called middle part M refer to such as present embodiment sanitary napkin 1 that When sample has alar part 10W, region on longitudinal X with alar part 10W (by the root along longitudinal X alar part 10W with it is another The region of one alar part 10W clipped along the root of longitudinal X).In addition, to be when absorbent commodity without alar part Refer to, the curved of the absorbent commodity is crossed in the lateral direction y for what is generated when folding absorbent commodity in the form of individual packaging Broken line (not shown), the area surrounded by the first folding line and the second folding line from the front end number of longitudinal X of the absorbent commodity Domain.

In the sanitary napkin 1 of present embodiment, as shown in FIG. 1 to 3, positive dough sheet 2 coats the skin opposite face of absorber 4 Whole region.On the other hand, back sheet 3 coats the whole region of the non-skin opposite face of absorber 4, and then from positive dough sheet 2 The both side edges along longitudinal X to the outside of lateral Y extend, form flank section together with piece 5 with aftermentioned leakage-proof turnup formation 10S.The leakage-proof turnup formation piece 5 of the skin opposite face of positive dough sheet 2 is fixed on back sheet 3 longitudinal X's from absorber 4 The extension of two ora terminalis is interconnected using engagement means well known to bonding agent, heat sealing, ultrasonic sealing function etc..In addition, It can also utilize bonding agent that will be engaged between positive dough sheet 2 and each of back sheet 3 and absorber 4.

In sanitary napkin 1, as shown in FIG. 1 to 3, leakage-proof turnup formation piece 5 configures and is fixed on configuration in absorbability The both sides along longitudinal X of the skin opposite face of the positive dough sheet 2 of the skin opposite face of main body 10.Preferably, leakage-proof turnup Formation with piece 5 by when looking down with absorber 4 along the left and right sides portion of longitudinal X it is Chong Die in a manner of, spread absorbent main body The endlong configuration and fixation of 10 longitudinal X.Leakage-proof turnup formation piece 5 can also for example return the inflection of free end side The inside of the reverse formed after folding configures leakage-proof turnup formation elastomeric element.Leakage-proof turnup formation bullet is configured if so Property component, then utilize leakage-proof turnup is formationed elastomeric element convergent force, formation reverse to the skin side of wearer standing Leakage-proof turnup.Leakage-proof turnup is formed if so, then can prevent the side leakage of menses drained to skin opposite face.

In sanitary napkin 1, as shown in Figure 1, flank section 10S is significantly stretched out in middle part M to the outside of lateral Y, by This, a pair of of alar part 10W, 10W are extended in the left and right sides along longitudinal X of absorbent main body 10.In addition, as shown in Figure 1, Flank section 10S is significantly stretched out in rear part R to the outside of lateral Y, as a result, in absorbent main body 10 along longitudinal X's The left and right sides is extended alar part 10H, 10H after a pair.

Alar part 10W is used by the non-skin for the crotch for wearing clothing to shorts etc. with respect to surface side inflection.In sanitary napkin 1 In, as shown in Figure 1, when looking down, alar part 10W have bottom (side longer than upper bottom) be located at absorbent main body 10 along longitudinal direction The generally trapezoidal shape of the lateral side of X.In the non-skin opposite face of alar part 10W, it is configured with and is used as alar part 10W (sanitary napkins 1) it is fixed on the alar part adhesive portion 10W1 that shorts etc. wear the anti-offset component of clothing (not shown), utilizes the alar part adhesive portion 10W1 can will be bonded when in use to the alar part 10W of non-skin opposite face (outer surface) the side inflection for the crotch for wearing clothing It is fixed on the crotch.Alar part adhesive portion 10W1 is configured in a manner of extending on longitudinal X.In sanitary napkin 1, alar part adhesive portion The shape of 10W1 is the longer rectangle on longitudinal X, is extended parallel to vertical center line CL.In addition, in absorbent main body 10 Non- skin opposite face, which is also formed with, to be worn the main body adhesive portion of clothing for absorbent main body 10 to be fixed on shorts etc. and (does not scheme Show).

Alar part 10H is configured when wearing afterwards wears the skin of clothing with respect to surface side in shorts etc..In the non-flesh of rear alar part 10H Skin opposite face, after as the rear alar part 10H is fixed on the anti-offset component that shorts etc. wear clothing (not shown) Alar part adhesive portion 10H1 can be such that rear alar part 10H is adhesively fixed on and wear clothing when in use using the rear alar part adhesive portion 10H1 On the skin opposite face (inner surface) of object.Alar part adhesive portion 10H1 is configured in a manner of extending on longitudinal X afterwards.In sanitary napkin 1 In, the shape of rear alar part adhesive portion 10H1 is the longer rectangle on longitudinal X, is extended parallel to vertical center line CL.

As shown in FIG. 1 to 3, sanitary napkin 1 has the positive dough sheet 2 and back sheet 3 of clamping absorber 4, in skin opposite face Be integrally formed with positive dough sheet 2 and absorber 4, overleaf slot 9 of 3 side of piece with bottom.Specifically, in absorbent main body There is 10 skin opposite face (the skin opposite face of positive dough sheet 2) positive dough sheet 2 and absorber 43 side of dough sheet of supporting or opposing integrally to be recessed Made of linear slot 9.Therefore, slot 9 becomes about positive dough sheet 2 and absorber 4, and the density of each fiber as component parts is high In the slot of the density of the periphery of slot." threadiness " in linear slot 9 refers to that the shape of slot (recessed portion) is when looking down and unlimited Also include curve due to straight line.In addition, each line can be the discontinuous line that continuous lines may be dotted line etc..For example, slot 9 Can include discrete multiple point embossing rows of being formed by.

In sanitary napkin 1, when overlooking as shown in Figure 1, slot 9 has：First horizontal compression groove 91, at front part F and rear Portion R extends in the lateral direction y respectively；With vertical compression groove 92 front part F, centre are spread in the both sides of longitudinal X of sanitary napkin 1 Portion M and rear part R extend on longitudinal X.In sanitary napkin 1,91 one side of the first horizontal compression groove of front part F and rear part R to The curve-like that protrusion is formed on the outside of longitudinal X extends in the lateral direction y on one side.In sanitary napkin 1, the first horizontal compression groove of front part F 91, the first horizontal compression groove 91 of the vertical compression groove 92, rear part R of a side is connected with the vertical compression groove 92 of another party and forms ring-type Full slot.In addition, in sanitary napkin 1, ratio first horizontal compression groove 91 of the slot 9 in front part F leans on the inside of the X of longitudinal direction, has in cross The the second horizontal compression groove 93 extended on Y.In addition, in sanitary napkin 1, slot 9 is in rear part R and by a pair of rear part R In the region that vertical compression groove 92,92 and the first horizontal compression groove 91 surround, the curve-like of protrusion is formed to the outsides longitudinal X with one side The third compression groove 94 extended on one side.In addition, in sanitary napkin 1, the second horizontal compression groove 93 and third compression groove 94 are such as Fig. 1 institutes Show that not indulging compression groove 92,92 with a pair is connected, but can also be connected.The slot 9 being thusly-formed can inhibit in positive dough sheet 2 flat The diffusion for the body fluid that face side flows up can be effectively prevented liquid and be leaked around sanitary napkin 1.

Skin of the absorber possessed by the absorbent commodity of the present invention in middle part M has thickness than other with respect to surface side High portion during part is thick.In the sanitary napkin 1 of present embodiment, as depicted in figs. 1 and 2, absorber 4 is formed by absorbent sheet, Specifically, being formed as overlapping with the construction of multi-layer, absorbing piece on thickness direction Z.In sanitary napkin 1, by absorbent sheet shape At absorber 4 containing superabsorbent polymer and constitute fiber.1 absorbent sheet of composition absorber 4, which has, dimensionally divides It dissipates the superabsorbent polymer of configuration and constitutes fiber.It, can be preferably by the height using moisture state as absorbent sheet Bonding force caused by absorbable polymer or the adhesives such as the bonding agent in addition added or adhesive fiber, make composition fiber that Around here or superabsorbent polymer and constitute between fiber in conjunction with and be formed as the structure of sheet.In addition, so-called absorbent sheet is Refer to and be configured to the absorber of sheet, with usually accumulate absorbent material obtained by fiber accumulations type construction absorber Difference.As the representative of absorbent sheet, the absorbent sheet or Japan Patent recorded in Japan Patent 2963647 can be enumerated Absorbent sheet etc. recorded in No. 2955223.

In sanitary napkin 1, as shown in Figures 2 and 3, absorber 4 becomes the multi-ply construction formed by absorbent sheet.Herein, It is above-mentioned to be formed by multi-ply construction and multi-disc absorbent sheet is overlapped and be formed, or to roll over 1 absorbent sheet It is folded and formation, or they are compound and formation.In sanitary napkin 1, as shown in Fig. 2, absorber 4 is included in centre The absorbent body piece 41 for the central absorbent piece 42 and covering central absorbent piece 42 that portion M is formed by absorbent sheet.That is, hygienic The absorber 4 of towel 1 is formed with the multi-ply construction including absorbent body piece 41 and central absorbent piece 42, and in middle part M shapes The portions Cheng Youzhong high 43.The multi-ply construction of the absorber 4 of sanitary napkin 1 has in the folded structure of 1 absorbent body piece 41 The construction of central absorbent piece 42 is surrounded by portion, which configures in middle high portion 43.

Preferably, in sanitary napkin 1, as shown in FIG. 1 to 3, the transverse direction Y compared with sanitary napkin 1 of absorbent body piece 41 Length (width) it is longer, and be made of 1 piece, the both sides along longitudinal X of the absorbent body piece 41 supported or opposed dough sheet 3 Side inflection and be made for 2 layers construction, and make its along longitudinal X both side edges each other lateral Y center be overlapped, and formed absorb The shape of body 4.Central absorbent piece 42 is made of the piece of 1 vertical view rectangular shape, is become the central absorbent piece 42 in cross To 3 layers of construction obtained by tri- foldings of Y.When central absorbent piece 42 is made for 3 layers of construction, middle absorbent is crossed on longitudinal X Property piece 42 2 folding lines at, with support or oppose at the Article 2 folding line the free end number from lateral Y 3 lateral bending of dough sheet folding, into And rolled over to 2 lateral bending of positive dough sheet at first folding line the free end number from lateral Y, and the free end of lateral Y is configured The mode of the inside constructed at 3 layers folds spiral.In this way, central absorbent piece 42 becomes spirally three foldings and obtains 3 layers construction.Middle high portion 43 is clipped in the central absorbent piece 42 that 3 layers construct between the absorbent body piece 41 of 2 layers of construction And be formed as 5 layers of construction.Middle high portion 43 is made only in middle part M, and is not formed in front part F and rear part R.Such as Fig. 2 and Fig. 3 Shown, the stacking the piece number of the absorbent sheet of the composition absorber 4 around middle high portion 43 is 2, unlike this, middle high portion 43 The stacking the piece number for constituting the absorbent sheet of absorber 4 is more, is 5, becomes the thickness part bigger than around middle high portion 43.Cause This, middle high portion 43 becomes in middle part M to 2 side of positive dough sheet (skin of sanitary napkin 1 is with respect to surface side) protrusion outstanding.

As the thickness of every absorbent sheet, preferably 0.1mm or more, particularly preferably 0.3mm or more, furthermore it is preferred that For 2mm hereinafter, particularly preferably 1.5mm or less.More specifically, just obtain using absorber 4 it is dotted absorb menses and wear For the aspect for feeling good absorbent commodity, preferably 0.1mm or more and 2mm hereinafter, particularly preferably 0.3mm or more and 1.5mm following.

The thickness in high portion 43 is preferably 0.7mm or more in absorber 4, and then preferably 1mm or more, furthermore it is preferred that being 5mm hereinafter, be preferably 4mm in turn hereinafter, more specifically, preferably 0.7mm or more and 5mm hereinafter, be preferably 1mm in turn with Upper and 4mm or less.By the way that the thickness in middle high portion 43 is set as such range, it is easy to take into account the middle part M for being formed with middle high portion 43 Good wearing feeling and higher absorbent properties.In addition, the sanitary napkin 1 such as present embodiment, absorbent commodity tool When having alar part, it is easy to inhibit the corrugation of the absorber at middle part M when wearing.In addition, absorber except middle high portion 43 with The thickness of the peripheral part in high portion 43 is preferably 0.3mm or more in outer, and then preferably 0.5mm or more, furthermore it is preferred that being 3mm is hereinafter, be preferably 2.5mm in turn hereinafter, more specifically, preferably 0.3mm or more and 3mm is hereinafter, be preferably in turn 0.5mm or more and 2.5mm or less.With regard to obtain higher absorbent properties and improve to the viewpoint of the movable tracing ability of wearer and Speech is preferably the range.In addition, absorber and the thickness of absorbent sheet are measured using following methods.

The assay method ＞ of the thickness of ＜ absorbent sheets and absorber

Horizontal position will be rested in a manner of wrinkle-free or bending as the absorbent sheet of measuring object or absorber, Measure 5cN/cm²Load-carrying under thickness.The measurement of the thickness of the present invention is to use thickness gauge PEACOCK DIAL UPRIGHT GAUGES R5-C (OZAKI MFG.C0.LTD. manufactures).At this point, the determination part in the front end of thickness gauge and measuring object /, the plate (acrylic resin board of thickness 5mm or so) for circle or square is overlooked in configuration, and becomes 5cN/ with load-carrying cm²Mode adjustment plate size.

Absorber possessed by the absorbent commodity of the present invention, by the position of the rear side of longitudinal direction X, has than middle high portion 43 There is the rear gap zone RS configured with the rear slot R1 extended on longitudinal X.Rear gap zone RS is across by absorber 4 Two imaginations partially extended on longitudinal X indulge the i.e. vertical center line CL of center line in the lateral direction y, in both sides configured with a pair. In the sanitary napkin 1 of present embodiment, as shown in Figure 1 and Figure 4, absorber 4 in than middle part M high portion 43 after the X of longitudinal direction The position of square side has a pair of of rear gap zone RSr, RSl detached in the lateral direction y, each rear gap zone RSr, RSl tool There is the rear slot R1 extended on longitudinal X.Herein, the shape as the rear slot R1 extended on longitudinal X, as long as vertical It includes not only then straight line to extend on X, also includes wave, curve and dotted line etc..In addition, after as extending on longitudinal X The angle of inclination of square slot R1 includes not only the slot extended parallel to the vertical center line CL extended on longitudinal X, also includes With the imaginary line angulation that extends with being parallel to vertical center line CL not up to 45 degree of slot.But rear slot R1 inclines Rake angle is not preferably up to 30 degree, particularly preferably not up to 10 degree, most preferably 0 degree.Each rear gap zone RS is preferably extremely There is 1 such rear slot R1 less, and then preferably with 2 or more and 18 hereinafter, particularly preferably with 4 or more And 14 or less.Each rear gap zone RS have a plurality of rear slot R1 when, can be rear slot R1 shape and incline The whole identical slot of rake angle can also be comprising a part of different slot, can also be all different slot.Each When rear gap zone RS has a plurality of rear slot R1, in each rear gap zone RS, the slot row extended on longitudinal X is excellent It is selected as forming 2 rows or more in the lateral direction y, more than more preferably 3 rows.In addition, rear slot R1 included in each slot row Item number be preferably 1 or more, more preferably 2 or more.In sanitary napkin 1, as shown in figure 4, in each rear gap zone RS, It is formed with 3 in the lateral direction y and comes the slot row extended on longitudinal X, respectively the item number of rear slot R1 included in slot row It is 2.In sanitary napkin 1, slot row arrangement of the configuration between 2 row's slots row is being leaned on into absorber 4 than 2 row slot row The position of middle 43 side of high portion, to form rear gap zone RS.

In sanitary napkin 1, as shown in Figure 1 and Figure 4, the rear slot of a pair of of rear gap zone RSr, RSl each is constituted R1 is arranged bilaterally symmetrically about vertical center line CL, forms a pair of of rear gap zone RSr, RSl.In sanitary napkin 1, each rear Gap zone RS has shape and angle of inclination all identical a plurality of rear slot R1.In sanitary napkin 1, each rear slot R1 With vertical center line CL parallelly with linear extension.In sanitary napkin 1, with vertical center line CL parallelly linearly extended rear slots R1 is configured with the state disperseed in the both direction of longitudinal X and transverse direction Y, and forms rear gap zone RS.After sanitary napkin 1 Square slot R1 configurations are in the absorbent body piece 41 in absorber 4 around high portion 43.As long as rear slot R1 is only passed through At least 1 layer of the absorbent body piece 41 of logical 2 layers of construction, but in sanitary napkin 1, rear slot R1 is made to construct 2 layers Absorbent body piece 41 penetrates through all layers on its thickness direction Z.

In sanitary napkin 1, as shown in Figure 1, the configuration in the rear slot R1 of a pair of of rear gap zone RSr, RSl of composition Close to slot R1ar, R1al in the rear slot R1 of the position near middle high portion 43, positioned at a pair near the inside of lateral Y The interval d1 of mutual transverse direction Y, it is identical as the width b3 of lateral Y of rear end 43B of longitudinal X in middle high portion 43 or be more than the width Spend b3.Herein, constitute the configuration in the rear slot R1 of each rear gap zone RS the position near middle high portion 43 a pair It is to be located at forefront side and in the lateral direction y existing a pair of of gap at spaced intervals in the slot of rear in other words close to slot Seam.In addition, so-called a pair of rear mutual interval d2 of slot R1r, R1l refer to it is mutual in a pair of of rear slot R1r, R1l Shortest interval in the interval of lateral Y.

In sanitary napkin 1, as shown in Figure 1 and Figure 4, there is middle high portion 43 in the middle part M of absorber 4, therefore to dress The conformable raising in the fluid drainage portion of person.Moreover, in sanitary napkin 1, be configured at a pair of absorber 4 close to slot R1ar, The interval d1 of the mutual transverse direction Y of R1al is identical as the width b3 of rear end 43B in middle high portion 43 or is more than width b3.Therefore, Even if in h.d. using the posture for making body lie on the back, due to the two side direction applied forces from sanitary napkin 1, a pair of absorber 4 Also be easy close to the part of gap zone RSar, RSal to each other using it is a pair of close to slot R1ar, R1al be starting point to wearer It swells side.If it is a pair of close to the part of gap zone RSar, RSal to each other as described above to wearer's lateral curvature planar lifting, It is then not only not easy to bring sense of discomfort to wearer, is not easy to generate gap between skin, as a result conformable raising, body fluid is not It is easily flowed along skin, anti-leakage improves.For further playing the viewpoint of such effect, preferably a pair of close slot The interval d1 of the mutual transverse direction Y of R1ar, R1al is more than the width b3 of the rear end 43B in middle high portion 43.

For further playing the viewpoint of said effect, width b1 when overlooking rear slot R1 is preferred (with reference to Fig. 4) For 0.1mm or more, and then preferably 0.2mm or more, furthermore it is preferred that for 1mm hereinafter, be preferably 0.8mm in turn hereinafter, in addition, Preferably 0.1mm or more and 1mm are hereinafter, be preferably 0.2mm or more and 0.8mm or less in turn.For identical viewpoint, overlook Length (longitudinal X length) L1 when the slot R1 of rear is preferably 10mm or more (with reference to Fig. 4), and then preferably 15mm or more, this Outside, preferably 35mm is hereinafter, be preferably 25mm in turn hereinafter, furthermore it is preferred that being 10mm or more and 35mm hereinafter, being preferably in turn 15mm or more and 25mm or less.

With regard to further play said effect viewpoint for, each rear gap zone RSr, RSl be respectively provided with it is a plurality of after When square slot R1, in the lateral direction y closest to mutual interval (width direction interval) d3 of rear slot R1, R1 be preferably 3mm or more, and then preferably 5mm or more, furthermore it is preferred that being 18mm hereinafter, being preferably 15mm in turn hereinafter, furthermore it is preferred that being 3mm or more and 18mm are hereinafter, be preferably 5mm or more and 15mm or less in turn.

In sanitary napkin 1, a pair of of rear gap zone RSr, RSl is respective to be located at innermost rear gap in the lateral direction y R1r, R1l are stitched, central 1 region of the ratio of timesharing is waited positioned at the width of the lateral Y of the rear end of longitudinal X in middle high portion 43 is divided into 5 Position by the outside of lateral Y.Therefore, it is easy further to play said effect.In addition, configuration is most narrow at the interval of lateral Y Position the mutual transverse direction Y of a pair of of rear slot R1r, R1l interval d2 (referring to Fig.1), preferably than by middle high portion 43 The width that the width of the lateral Y of the rear end 43B of longitudinal X is divided into 1 region of center of 5 equal timesharing is big, so preferably compare will in The width of the lateral Y of the rear end 43B in high portion 43 classify in three categories timesharing 1 region of center width it is big.In addition, configured with more When item constitutes the rear slot R1 of each rear gap zone RS, a pair of of rear gap in the most narrow position in interval of lateral Y is configured The slot that R1r, R1l are preferably different from a pair of close slot R1ar, R1al is stitched, a pair of rear slot R1r, R1l are mutual It is preferably mutual interval d1 (referring to Fig.1) narrower close to slot R1ar, R1al than a pair of to be spaced d2 (referring to Fig.1).A pair of of rear The mutual interval d2 of slot R1r, R1l is referred to (referring to Fig.1) in the interval of the mutual transverse direction Y of a pair of of rear slot R1r, R1l Shortest interval.

In addition, in sanitary napkin 1, high portion 43 in being formed using the central absorbent piece 42 of rectangle, therefore in high portion 43 The width b3 of lateral Y is certain.Unlike this, in the rear end in middle high portion 43 compared with than its on the front position of side transverse direction Y Width becomes hour, a pair of lateral Y close to slot R1ar, R1al be preferably spaced with will among the above high portion 43 on longitudinal X The maximum length of the most lateral Y of the rearmost end cut zone of rear side when being divided into 5 parts is identical or long than its, and is preferably With from the rear side adjacent with the rearmost end cut zone second adjacent maximum length of lateral Y of cut zone it is identical or ratio It is grown.Herein, above-mentioned " maximum length of lateral Y " refers to high portion 43 in overlooking, in the lateral direction y the distance of longest position. By in this way, being easy further to play said effect.

In addition, in sanitary napkin 1, a pair of of rear gap zone RSr, RSl it is respective positioned at transverse direction Y it is innermost, The distance of lateral Y on lateral Y between adjacent rear slot R1r, R1l, than between lateral Y adjacent central slot M1, M1 The distance of lateral Y.Therefore, middle high portion 43 is deformed readily along middle part M, and in order to buffer the influence of the deformation, rear part R It is easily deformed.Therefore, it is easy further to play said effect.

It is a pair of close to the mutual interval d1 (references of slot R1ar, R1al for further playing the viewpoint of said effect Fig. 1) be preferably 25mm or more, and then preferably 30mm or more, furthermore it is preferred that for 55mm hereinafter, in turn be preferably 45mm hereinafter, Furthermore it is preferred that for 25mm or more and 55mm hereinafter, being preferably 30mm or more and 45mm or less in turn.

For further playing the viewpoint of said effect, configuring after a pair of the most narrow position in interval of lateral Y When square slot R1l, R1r are with a pair of close slot R1ar, R1al difference, a pair of of the mutual interval d2 of rear slot R1r, R1l (ginsengs According to Fig. 1) be preferably 8mm or more, and then preferably 15mm or more, furthermore it is preferred that for 40mm hereinafter, be preferably 30mm in turn with Under, furthermore it is preferred that for 8mm or more and 40mm hereinafter, being preferably 15mm or more and 30mm or less in turn.

In addition, in sanitary napkin 1, as shown in Figure 1 and Figure 4, in addition to a pair of of rear gap zone RSr, RSl, Middle high portion 43 also has the central slot that the central slot M1 extended on longitudinal X is dispersedly configured on longitudinal X and transverse direction Y Region MS.Herein, the so-called central slot M1 extended on longitudinal X, it is same as the above-mentioned rear slot R1 extended on longitudinal X Ground, refers to as its shape, includes not only straight line as long as extending in longitudinal X, also includes wave, dotted line and curve etc., And refer to as its angle of inclination, include not only the slot extended parallel to the vertical center line CL extended on longitudinal X, Including with the imaginary line angulation that extends with being parallel to vertical center line CL not up to 45 degree of slot.But angle of inclination is excellent It is selected as not up to 30 degree, particularly preferably not up to 10 degree, most preferably 0 degree.Central gap zone MS preferably has 10 or more And 40 such central slot M1 below, and then preferably there are 20 or more and 30 such central slot M1 below. Central gap zone MS is configured with the slot row of the central slot M1 extended on longitudinal X, preferably at intervals in the lateral direction y To form 3 rows or more on longitudinal X, more than more preferably 4 rows, and then more than preferably 5 rows.In addition, institute in each slot row Including the item number of central slot M1 be preferably 2 or more, more preferably 3 or more.Constitute a plurality of of central gap zone MS Central slot M1 can be its shape and angle of inclination all identical slots, can also include a part of different slot, It can be with all different slots.

In sanitary napkin 1, when being overlooked as shown in Figure 1, the rear slot R1 for constituting each rear gap zone RS has The part Chong Die with slot 9.Preferably, in sanitary napkin 1, in a plurality of rear slot R1 for constituting each rear gap zone RS A part has and constitutes the configuration of slot 9 in the Chong Die part of the vertical compression groove 92 or third compression groove 94 of rear part R.If rear Slot R1 has the part Chong Die with slot 9 as described above, then utilizes the synergistic effect of slot 9 and rear slot R1, the clothes of sanitary napkin 1 Patch property further increases.In addition, if rear slot R1 has the part Chong Die with slot 9, in the part of the overlapping, positive dough sheet 2 It is easy to enter the inside of absorber 4 from rear slot R1, the body fluid flowed in positive dough sheet 2 is easy to be absorbed by absorber 4.

In sanitary napkin 1, each rear alar part 10H has the anti-offset component extended on longitudinal X in its non-skin opposite face Alar part adhesive portion 10H1 after i.e..Moreover, when overlooking as shown in Figure 1, the rear slot R1 for constituting each rear gap zone RS does not have Configure the position in the rear end of longitudinal X than rear alar part adhesive portion 10H1 rearward.In other words, it in sanitary napkin 1, constitutes each The rear end for being located at the rear slot R1 near the rear of longitudinal X in a plurality of rear slot R1 of rear gap zone RS, position In the rear end of longitudinal X than rear alar part adhesive portion 10H1 by the position in the front of longitudinal direction X.After if in such position, configuration is constituted The rear slot R1 of square gap zone RS, then in physical disfigurement of the sanitary napkin along wearer, rear alar part 10H is easy via rear Alar part adhesive portion 10H1 is fixed on shorts etc. and wears clothing, therefore can inhibit the corrugated generation caused by the slot R1 of rear, Anti-leakage improves.

In sanitary napkin 1, as shown in Figure 1 and Figure 4, in addition to a pair of of rear gap zone RS, in middle high portion 43 With the central gap zone MS for being dispersedly configured with the central slot M1 extended on longitudinal X on longitudinal X and transverse direction Y.Cause This makes central gap zone MS readily along the physical disfigurement of wearer using central slot M1, and the conformable of sanitary napkin 1 carries Height, anti-leakage and wearing feeling further increase.

For further playing the viewpoint of said effect, width b2 when overlooking center slot M1 is preferred (with reference to Fig. 4) For 0.1mm or more, and then preferably 0.2mm or more, furthermore it is preferred that for 1mm hereinafter, be preferably 0.8mm in turn hereinafter, in addition, Preferably 0.1mm or more and 1mm are hereinafter, be preferably 0.2mm or more and 0.8mm or less in turn.

For further playing the viewpoint of said effect, length (longitudinal X length) L2 (ginsengs when the slot M1 of center are overlooked According to Fig. 4) be preferably 10mm or more, and then preferably 15mm or more, furthermore it is preferred that for 35mm hereinafter, be preferably 25mm in turn with Under, furthermore it is preferred that for 10mm or more and 35mm hereinafter, being preferably 15mm or more and 25mm or less in turn.

With regard to further play said effect viewpoint for, closest to the mutual interval (width of central slot M1, M1 Direction interval) d4 is preferably 3mm or more, and then preferably 7mm or more, furthermore it is preferred that for 20mm hereinafter, being preferably 15mm in turn Hereinafter, furthermore it is preferred that for 3mm or more and 20mm hereinafter, being preferably 7mm or more and 15mm or less in turn.

In sanitary napkin 1, as shown in Figure 1 and Figure 4, the high portion 43 in the middle part M of absorber 4, with vertical center line CL The central slot M1 extended parallel on longitudinal X and the two directions transverse direction Y about vertical center line CL symmetrically to divide Scattered state configures and forms central gap zone MS.As long as high in the composition of the central slot M1 perforation absorbers 4 of sanitary napkin 1 In the absorbent sheet (the central absorbent piece 42 of the absorbent body piece 41 and 3 layers of construction of 2 layers of construction) of 5 layers of construction in portion 43 At least only 1 layer, but in sanitary napkin 1, the absorbent sheet that 5 layers construct is penetrated through into all layers in the thickness direction thereof.

In addition, sanitary napkin 1 as shown in Figure 1 and Figure 4, has a pair of rear gap zone RS and central gap in absorber 4 When stitching region MS, it is the rear for constituting rear gap zone RS to configure the slot on the rear end 43B of longitudinal X in middle high portion 43 Slot R1 still constitutes the judgement of the central slot M1 of central gap zone MS, proceeds as follows judgement.It is absorbed that is, overlooking Body 4, by the rearmost end of the rear end 43B of longitudinal X by middle high portion 43 and on the basis of the imaginary line IL parallel with lateral Y, The length (BL) of longitudinal X of the part Chong Die with the rear end 43B in middle high portion 43 for the slot to be judged is relative to the slot When the ratio ((BL/AL) × 100) of the overall length (AL) of longitudinal X is 10% or less, it is judged as YES and constitutes rear gap zone RS's Rear slot R1 is judged as YES the central slot M1 for constituting central gap zone MS when more than 10%.

In addition, in sanitary napkin 1, as shown in Figure 1 and Figure 4, in the sanitary napkin 1 from lateral Y, central slot area is constituted Width direction (lateral Y) center side of centrally located gap zone MS in the central slot M1 of domain MS and positioned near longitudinal X Rear side central rearmost part slot M1a rear end and the front end of the close slot R1a of each rear gap zone RS it is not be overlapped. The interval d5 (with reference to Fig. 4) of the rear end of central rearmost part slot M1a and longitudinal X between the front end of slot R1a are preferably 20mm hereinafter, be preferably 15mm in turn hereinafter, furthermore it is preferred that for 0mm or more and 20mm hereinafter, be preferably in turn 0mm or more and 15mm or less.If the range, then by the two side direction applied forces from sanitary napkin 1 in dress, a pair of absorber 4 is close to gap The part of R1ar, CR1al to each other is stitched to be easier using a pair of close to slot R1ar, R1al as starting point, to wearer's lateral curvature planar Lifting.

The interval d5 of the rear end of central rearmost part slot M1a and longitudinal X between the front end of slot R1a are (with reference to figure 4) length (longitudinal X length) of length (longitudinal X length) L1 preferably than rear slot R1 (with reference to Fig. 4) and central slot M1 At least one of L2 (with reference to Fig. 4) is short.

The forming material of each component parts of the sanitary napkin 1 of above-mentioned present embodiment is illustrated.

As positive dough sheet 2, back sheet 3, can be used without special restrictions one in the absorbent commodities such as sanitary napkin Used various sheet materials etc. since straight.For example, as positive dough sheet 2, the non-woven fabrics of single-layer or multi-layer construction can be used or opened Pore membrane etc..In addition, as back sheet 3, the resin film etc. of penetrability can be used.In addition, as leakage-proof turnup formation piece, energy Enough use the non-woven fabrics of the high water-repellancy of water pressure resistance, such as spun-bonded non-woven fabrics, spunbond-meltblown-spunbond fold non-woven fabrics.

As superabsorbent polymer possessed by absorber 4, usually using granular but or fibrous. When using granular superabsorbent polymer, shape can be any in spherical, blocky, pillow or indefinite shape Person.As superabsorbent polymer, acrylic acid or the polymer or copolymer of alkali metal salts of acrylic acids usually can be used.As Its example can enumerate polyacrylic acid and its salt and polymethylacrylic acid and its salt.As polyacrylate or poly- methyl-prop Sodium salt can be preferably used in olefin(e) acid salt.In addition, it is possible to use make acrylic or methacrylic acid and maleic acid, itaconic acid, third Acrylamide, 2- acrylamide-2-methyl propane sulfonics, 2- (methyl) acryloyl groups ethanesulfonic acid, (methyl) acrylic acid 2- hydroxy methacrylates Or the comonomers such as styrene sulfonic acid be copolymerized in the range of not making the reduced performance of superabsorbent polymer made of altogether Polymers.

As fiber is constituted possessed by absorber 4, synthetic fibers or cellulosic fibre etc. can be enumerated.As synthesis Fiber, such as preferably thermoplastic fibre.As thermoplastic fibre, for example, can enumerate using polyethylene, polypropylene, polyester, The single synthetic resin such as polyurethanes and the Single Fiber that is formed use the synthesis trees such as the complex of more than two kinds Fat and the composite fibre formed.As cellulosic fibre, the intramolecular for making cellulose using crosslinking agent appropriate can be enumerated Cross-linked cellulose fibres obtained by intermolecular cross-linking (paper pulp fiber) or make cellulose crystallinity improve obtained by artificial silk Regenerated celulose fibres such as fiber etc..

In sanitary napkin 1, between positive dough sheet 2 and absorber 4 between absorber 4 and back sheet 3 preferred coated bonding agent And it fixes.Bonding agent can use well known mechanism, such as seam type coating rifle, spiral spray gun, spray gun or point rifle to be applied It applies, it is preferable to use spiral spray gun is spirally applied in sanitary napkin 1.As coated bonding agent, such as preferably make Use hot-melt adhesive.The coating amount of hot-melt adhesive is preferably 1.5g/m²Above and 10g/m²Below.

More than, to the present invention is based on its preferred embodiments to be illustrated, but the present invention absorbent commodity not by 1 any restrictions of sanitary napkin of the above embodiment, can suitably change.

For example, in sanitary napkin 1, as shown in figure 4, in each rear gap zone RS of absorber 4, extend on longitudinal X Slot row be formed with 3 rows in the lateral direction y, respectively the item number of rear slot R1 included in slot row is 2, but such as Fig. 5 Shown in absorber 4, in each rear gap zone RS, the slot that extends on longitudinal X row is formed with 3 rows in the lateral direction y, in The item number of rear slot R1 is 2 included in the slot row of centre, into the both sides slot row of the both sides of the slot row in center Included in rear slot R1 item number be 1.About absorber 4 shown in fig. 5, main explanation and above-mentioned sanitary napkin 1 are not Same composition part, identical composition part mark identical symbol and omit the description.The composition part being not specifically noted is suitable When explanation of the application about absorber 4 shown in Fig. 4.If it is the sanitary napkin with absorber 4 shown in fig. 5, then Effect identical with sanitary napkin 1 shown in FIG. 1 can be played.

In addition, in sanitary napkin 1, as shown in figure 3, absorber 4 is formed by absorbent sheet, but absorbability may not be Piece, but the skin opposite face and non-skin opposite face of the absorbent core of the paper pulp fiber with clad sheet cladding comprising product after fine Obtained by the fine type of product absorber.

In addition, the absorbent commodity of the present invention is in addition to sanitary napkin, can also be panty liner (vaginal fluid Protection pad) etc..

About the embodiment of aforementioned present invention, absorbent commodity below is further disclosed.

1 ＞ of ＜

A kind of absorbent commodity has longitudinal and orthogonal with longitudinal direction cross corresponding with the front-rear direction of wearer To, and there is absorber, longitudinally there is front part, middle part and rear part along this, above-mentioned absorber is in above-mentioned middle part Skin with respect to surface side, have thickness it is thicker than other parts in high portion, above-mentioned absorber is in side rearward than high portion among the above Position has configured with the rear gap zone in above-mentioned longitudinally extending rear slot, and the rear gap zone is across general Above-mentioned absorber two partially indulges center line in above-mentioned transverse direction in above-mentioned longitudinally extending imagination, configured in both sides it is a pair of, The configuration in the above-mentioned rear slot of a pair of above-mentioned rear gap zone is constituted near the position in high portion among the above and positioned at most The mutual lateral interval of close slot by the position of lateral inside and the transverse direction of longitudinal rear end in high portion in this Lateral width of same size or more than longitudinal rear end in high portion in this.

2 ＞ of ＜

Such as the absorbent commodity of 1 ＞ of above-mentioned ＜, wherein the lateral interval of above-mentioned close slot with will exist in high portion among the above The lateral maximum length of most 1 part of rear side when being divided into 5 parts on longitudinal direction is identical or longer than its.

3 ＞ of ＜

Such as the absorbent commodity of 2 ＞ of above-mentioned ＜ 1 ＞ or ＜, wherein above-mentioned absorber has in high portion among the above in longitudinal direction With the central gap zone for being dispersedly configured with the central slot extended in the longitudinal direction in transverse direction.

4 ＞ of ＜

Such as the absorbent commodity of 3 ＞ of above-mentioned ＜, wherein constitute the position in the above-mentioned central slot of above-mentioned central gap zone In the above-mentioned close slot of the rear end of the central rearmost part slot near the position of rear side and each above-mentioned rear gap zone Front end is not overlapped in the above-mentioned absorbent commodity from laterally.

5 ＞ of ＜

Such as the absorbent commodity of 4 ＞ of above-mentioned ＜ 3 ＞ or ＜, wherein be located at the respective cross of above-mentioned a pair of of rear gap zone To innermost, adjacent in the horizontal rear slot between lateral distance, than above-mentioned central gap adjacent in the horizontal The distance of lateral Y between seam.

6 ＞ of ＜

Such as the absorbent commodity of any one of 5 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned a pair of rear gap zone is respectively Be located at lateral innermost above-mentioned rear slot, be located at the lateral width point of longitudinal rear end in high portion among the above The position in lateral outside is leaned at central 1 region of ratio of 5 equal timesharing.

7 ＞ of ＜

Such as the absorbent commodity of any one of 6 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned absorbent commodity has in clamping The positive dough sheet and back sheet for stating absorber, it is having that above-mentioned positive dough sheet and above-mentioned absorber be integrally formed in skin opposite face, Above-mentioned back sheet side has the slot of bottom, when overlooking above-mentioned absorbent commodity, constitute each above-mentioned rear gap zone it is above-mentioned after Square slot has the part Chong Die with above-mentioned slot.

8 ＞ of ＜

Such as the absorbent commodity of any one of 7 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned absorbent commodity has absorbability Main body, which has above-mentioned absorber and the positive dough sheet and back sheet of the absorber is clamped, in the absorbent main body The above-mentioned middle part of ratio position rearward, have respectively from the absorbent main body along longitudinal both sides to lateral outer Alar part after a pair that side extends, each above-mentioned rear alar part have the anti-offset component extended in the longitudinal direction in its non-skin opposite face, When overlooking above-mentioned absorbent commodity, the above-mentioned rear slot for constituting each above-mentioned rear gap zone is not configured more anti-bias than above-mentioned Move the position of longitudinal rear end of component rearward.

9 ＞ of ＜

Such as the absorbent commodity of any one of 8 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein the shape of above-mentioned rear slot be straight line, Wave, curve or dotted line.

10 ＞ of ＜

Such as the absorbent commodity of any one of 9 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned rear slot and be parallel to longitudinal direction The above-mentioned imagination that ground extends indulges center line angulation less than 45 degree, preferably shorter than 30 degree, and then preferably shorter than 10 degree.

11 ＞ of ＜

Such as the absorbent commodity of any one of 10 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned rear slot prolongs along longitudinal It stretches.

12 ＞ of ＜

Such as the absorbent commodity of any one of 11 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein in each above-mentioned rear gap zone, Preferably there are 2 rows or more in the slot row extended in the longitudinal direction, be more preferably the presence of 3 rows or more in the horizontal.

13 ＞ of ＜

Such as the absorbent commodity of any one of 12 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein in each above-mentioned rear gap zone, Preferably there are 2 rows or more in the slot row extended in the longitudinal direction, be more preferably the presence of 3 rows or more, each above-mentioned slot row in the horizontal Included in rear slot be preferably 1 or more, more preferably 2 or more.

14 ＞ of ＜

Such as the absorbent commodity of any one of 13 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein overlook width when above-mentioned rear slot For 0.1mm or more and 1mm hereinafter, preferably 0.2mm or more and 0.8mm or less.

15 ＞ of ＜

Such as the absorbent commodity of any one of 14 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein overlook longitudinal direction when above-mentioned rear slot Length is 10mm or more and 35mm hereinafter, preferably 15mm or more and 25mm or less.

16 ＞ of ＜

Such as the absorbent commodity of any one of 15 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein in above-mentioned a pair of of rear gap zone point Not Ju You a plurality of above-mentioned rear slot when, in the horizontal closest to rear slot it is mutual it is lateral between be divided into 3mm or more And 18mm is hereinafter, preferably 5mm or more and 15mm or less.

17 ＞ of ＜

Such as the absorbent commodity of any one of 16 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned absorber has in high portion among the above There is the central gap zone for being dispersedly configured with the central slot extended in the longitudinal direction in machine and transverse direction, constitutes the center gap Stitch the lateral center side for being located at above-mentioned central gap zone in the above-mentioned center slot in region and positioned at behind longitudinal direction The front end of the rear end and above-mentioned close slot of the central rearmost part slot of the position of side is not overlapped when from laterally.

18 ＞ of ＜

Such as the absorbent commodity of any one of 17 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein the rear end of above-mentioned center rearmost part slot Be divided into 0mm or more and 20mm between longitudinal between the front end of above-mentioned close slot hereinafter, preferably 0mm or more and 15mm with Under.

19 ＞ of ＜

Such as the absorbent commodity of any one of 18 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned absorber is by absorbent sheet shape At multi-ply construction.

20 ＞ of ＜

Such as the absorbent commodity of 19 ＞ of above-mentioned ＜, wherein above-mentioned multi-ply construction is shape by the overlapping of multiple absorbent sheets At, or 1 absorbent sheet folding is formed.

21 ＞ of ＜

Such as the absorbent commodity of any one of 20 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned absorber is included in above-mentioned centre The central absorbent piece that portion is formed by absorbent sheet, and cover the absorbent body piece of the central absorbent piece, the middle absorbent Property piece configuration in high portion among the above.

22 ＞ of ＜

Such as the absorbent commodity of any one of 21 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein the portion high among the above of above-mentioned absorber Thickness is 0.7mm or more and 5mm hereinafter, preferably 1mm or more and 4mm or less.

23 ＞ of ＜

Such as the absorbent commodity of any one of 22 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned absorber removes high portion among the above In in addition this thickness of peripheral part in high portion be 0.3mm or more and 3mm hereinafter, preferably 0.5mm or more and 2.5mm with Under.

24 ＞ of ＜

Such as the absorbent commodity of any one of 23 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned absorbent commodity is physiology with defending Raw towel.

[embodiment]

Hereinafter, illustrating the absorbent commodity of the present invention in further detail using embodiment.However, the scope of the present invention is not By the embodiment any restrictions.

1 ＞ of ＜ embodiments

It makes with basic knot identical with Fig. 1 with absorber shown in Fig. 4~sanitary napkin shown in Fig. 3 The sanitary napkin of structure, and as the sample of embodiment 1.As positive dough sheet, grammes per square metre 25g/m is used²Spunbond nonwoven Cloth.As back sheet, grammes per square metre 35g/m is used²Penetrability resin film.As leakage-proof turnup formation piece, grammes per square metre is used 25g/m²Spun-bonded non-woven fabrics.As the absorbent sheet for constituting absorber, made according to No. 2963647 embodiments 2 of Japan Patent At.As the thickness of every absorbent sheet, using 0.5mm, the thickness in high portion is 2.3mm, the rear end in middle high portion in absorber The transverse width in portion is 35mm.High portion is rectangle in addition,.

That Details as Follows is described for the slot for configuring in absorber.

It is 0.5mm about the rear slot R1 for constituting each rear gap zone RS, width b1, length L1 is 20mm, Closest to the mutual interval d3 of rear slot R1, R1 be 7mm.

The mutual interval d1 of a pair of close slot R1ar, R1al are 38mm, the mutual intervals a pair of of rear slot R1r, R1l D2 is 24mm.

It is 0.5mm about the central slot M1 for constituting central gap zone MS, width b2, length L2 is 20mm, most It is 6mm for the close mutual interval d4 of central slot M1, M1.

The interval d5 of the rear end of central rearmost part slot M1a and longitudinal X between the front end of slot R1a are 0mm.

2 ＞ of ＜ embodiments

Make in addition to replace absorber shown in Fig. 4 and use absorber shown in fig. 5 other than, have in embodiment 1 The sanitary napkin of the identical basic structure of made sample, and as the sample of embodiment 2.Configuration is in Fig. 5 institutes That Details as Follows is described for the slot of the absorber shown.

Middle high portion 43 is rectangle, configures the interval d1 in the mutual transverse direction Y of close slot R1ar, the R1al of a pair of absorber For 35mm identical with the width b1 of rear end 43B in high portion 43 in this.

It is 0.5mm about the rear slot R1 for constituting each rear gap zone RS, width b1, length L1 is 20mm, Closest to the mutual interval d2 of rear slot R1, R1 be 7mm.

The mutual interval d1 of a pair of close slot R1ar, R1al are 38mm, the mutual intervals a pair of of rear slot R1r, R1l D2 is 24mm.

It is 0.5mm about the central slot M1 for constituting central gap zone MS, width b2, length L2 is 20mm, most It is 6mm for the close mutual interval d4 of central slot M1, M1.

The interval d5 of the rear end of central rearmost part slot M1a and longitudinal X between the front end of slot R1a are 0mm.

1 ＞ of ＜ comparative examples

It makes in addition to removing a pair of of rear slot from absorber shown in Fig. 4 instead of absorber shown in Fig. 4 and use Other than absorber obtained by the RS of region, there is the physiology health of basic structure identical with sample made in embodiment 1 Towel, and as the sample of comparative example 1.

[evaluation]

The sample (sanitary napkin) of sample (sanitary napkin) and comparative example 1 for Examples 1 to 2 utilizes Following methods measure the diffusion length of longitudinal false blood (simulation blood).Their result is shown in following table 1.

The assay method ＞ of the diffusion length of the false blood of the longitudinal directions ＜

Using can from the point of release inject liquid the lower part of the body for women manikin, make the model with upright shape After state wears the sample of evaluation object, it is the state lain down of facing upward to make the model.Then, using the liquid for adjusting function with speed Body discharge pump adds up to injection 6g and 9g from every 1 minute injection 3.0g vacations blood (horse blood) of the point of release.By 1 after rigid injection 6g After minute, sample is unloaded from the model, it is each to the positive dough sheet and absorber that are generated in sample by injecting false blood (horse blood) From longitudinal diffusion length carry out 3 measurement, using its average value as the diffusion length of the false blood (horse blood) of longitudinal direction.Think In any one of positive dough sheet and absorber, the diffusion length of the body fluid is shorter, in the skin of sanitary napkin and wearer Between be more not likely to produce gap, body fluid is more not easy to flow along skin, to evaluate height.

In addition, using de- fiber horse blood (Nippon Biotest (stock) manufactures) as false blood.

[table 1]

As shown in table 1, it is known that the sanitary napkin of Examples 1 to 2 is compared with the sanitary napkin of comparative example 1, just Longitudinal diffusion length of false blood (horse blood) in longitudinal diffusion length and absorber of false blood (horse blood) in dough sheet It is smaller.Accordingly it is found that compared with the sanitary napkin of comparative example 1, the sanitary napkin of Examples 1 to 2 can be expected Be not likely to produce between skin in dress gap, it is conformable improve, body fluid is not easy to improve along skin flowing, anti-leakage.

[industrial utilizability]

Absorbent commodity according to the present invention so that conformable raising, body fluid are not easy to flow along skin, and anti-leakage carries It is high.

Claims (24)

1. a kind of absorbent commodity has longitudinal and orthogonal with longitudinal direction transverse direction corresponding with the front-rear direction of wearer, And there is absorber, and along this longitudinally there is front part, middle part and rear part, the absorbent commodity to be characterized in that：

The absorber the middle part skin with respect to surface side have thickness than other parts it is thick in high portion,

The absorber has in the position of side rearward than the middle high portion configured in the longitudinally extending rear gap The rear gap zone of seam, the rear gap zone across by the absorber in the cross direction two partially in the longitudinal direction The imagination of upper extension indulges center line and is configured with a pair in both sides,

In the rear slot of a pair of rear gap zone, configuration is constituted in the position near the middle high portion and position The mutual lateral interval of close slot in the position near lateral inside, the cross with longitudinal rear end in high portion in this To it is of same size or be more than the width.

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

The lateral interval of the close slot with most rear side when the middle high portion to be divided into 5 parts in the longitudinal direction most The lateral maximum length of rear end cut zone is identical or longer than its.

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

The absorber has the central gap for being dispersedly configured with extend in the longitudinal direction in machine and transverse direction in the middle high portion The central gap zone of seam.

4. absorbent commodity as claimed in claim 3, it is characterised in that：

Constitute the central rearmost part gap being located near the position of rear side in the central slot of the central gap zone The front end of the rear end of seam and the close slot of each rear gap zone, in the absorbent commodity from laterally It is not overlapped.

5. absorbent commodity as described in claim 3 or 4, it is characterised in that：

Cross between the respective lateral innermost rear slot adjacent in the horizontal of the pair of rear gap zone To distance, than the lateral distance between the adjacent in the horizontal central slot.

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

The pair of rear gap zone is respective to be located at the lateral innermost rear slot, is located at the middle high portion The lateral width of longitudinal rear end be divided into positions of central 1 region of ratio by lateral outside of 5 equal timesharing.

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

The absorbent commodity has the positive dough sheet and back sheet that the absorber is clamped, and has the front in skin opposite face It is that piece and the absorber are integrally formed, the back sheet side have bottom slot,

When overlooking the absorbent commodity, the rear slot of each rear gap zone is constituted with Chong Die with the slot Part.

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

There is the absorbent commodity absorbent main body, the absorbent main body to have the absorber and the absorber is clamped just Dough sheet and back sheet, the position of middle part rearward described in the ratio of the absorbent main body have respectively from the absorbent main body The a pair extended to lateral outside along longitudinal both sides after alar part,

Each rear alar part has the anti-offset component extended in the longitudinal direction in its non-skin opposite face,

When overlooking the absorbent commodity, the rear slot for constituting each rear gap zone is not configured than described The position of longitudinal rear end of anti-offset component rearward.

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

The shape of the rear slot is straight line, wave, curve or dotted line.

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

The rear slot is less than 45 degree with the vertical center line angulation of the imagination being longitudinally extended is parallel to.

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

The rear slot is along being longitudinally extended.

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

In each rear gap zone, there are 2 rows or more in the slot row extended in the longitudinal direction in the horizontal.

13. absorbent commodity as claimed in claim 12, it is characterised in that：

In each rear gap zone, rear slot is 1 or more included in each slot row.

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

Width when overlooking the rear slot is 0.1mm or more and 1mm or less.

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

Longitudinal length when overlooking the rear slot is 10mm or more and 35mm or less.

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

When the pair of rear gap zone is respectively provided with a plurality of rear slot, in the horizontal closest to rear gap Stitch it is mutual it is lateral between be divided into 3mm or more and 18mm or less.

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

The absorber has the central gap for being dispersedly configured with extend in the longitudinal direction in machine and transverse direction in the middle high portion The central gap zone of seam constitutes the cross for being located at the central gap zone in the central slot of the center gap zone To center side and positioned at the rear end of the central rearmost part slot of the position near longitudinal rear with before the close slot End is not overlapped when from laterally.

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

Be divided between longitudinal direction between the rear end and the front end of close the slot of the center rearmost part slot 0mm or more and 20mm or less.

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

The absorber is the multi-ply construction formed by absorbent sheet.

20. absorbent commodity as claimed in claim 19, it is characterised in that：

The multi-ply construction is to be overlapped multiple absorbent sheets and formed, or 1 absorbent sheet is folded and is formed 's.

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

The absorber is included in the central absorbent piece that the middle part is formed by absorbent sheet, and covers the central absorbent The absorbent body piece of piece,

The central absorbent piece configures in the middle high portion.

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

The thickness in the middle high portion of the absorber is 0.7mm or more and 5mm or less.

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

In this in addition to the middle high portion of the absorber thickness of the peripheral part in high portion be 0.3mm or more and 3mm with Under.

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

The absorbent commodity is sanitary napkin.