CN105431117B - Absorbent commodity - Google Patents

Abstract

Absorber (4) of the invention has the excretory portion gap zone (S) for longitudinal slot (43) that multiple (X) along longitudinal direction are formed with dispersity at excretory portion counterpart (B).Recessed portion (20) of the positive dough sheet (2) between its skin opposite face side (2a) is with multiple protrusions (21) and positioned at adjacent protrusion (21).When overlooking absorbent commodity (1), longitudinal slot (43) of absorber (4) intersects with the recessed portion (20) of positive dough sheet (2).The width of recessed portion (20) is greater than the width of longitudinal slot (43).

Description

Absorbent commodity

Technical field

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

Background technique

In the absorbent commodities such as sanitary napkin, it is known to following technology: to improve article to the body of wearer Conformability, by the liquid excreted to defined direction guidance for the purpose of, formation positive dough sheet is integrally squeezed with absorber And the extruding slot formed.When integrally squeezing the positive dough sheet and absorber from positive dough sheet side, because of the positive dough sheet of planarization material It is unevenly stretched and leads to be easy wrinkle occur near extruding slot.For the purpose of the generation for preventing the wrinkle, such as It is proposed in patent document 1 when formation is trapped in from positive dough sheet and absorbs intracorporal embossing recess portion, in the bottom of the embossing recess portion Near form slot or punching, so that the retractility for embossing the direction orthogonal with extending direction of recess portion is higher than other parts.

The generation of the wrinkle of the positive dough sheet as caused by the formation of extruding slot becomes when the positive dough sheet has sag and swell It is more significant.For example, recording following absorbent commodity in patent document 2 and 3: threadiness will be formed with respect to surface side in skin The positive dough sheet of multiple recess portions and the protrusion between the adjacent recess portion and absorber integrally squeeze and form extruding slot.At this In the absorbent commodity recorded in document, other than the formation because squeezing slot causes to be easy to produce wrinkle, also because in front Piece forms recess portion and causes to be easy to produce wrinkle.The reason is that recess portion is as deformation under the wearing effect of absorbent commodity Flexible axle and play a role, to be easy to produce deeper wrinkle.

Existing technical literature

Patent document

Patent document 1: Japanese Patent Laid-Open 2009-172127 bulletin

Patent document 2: Japanese Patent Laid-Open 2011-255023 bulletin

Patent document 3: Japanese Patent Laid-Open 2012-239721 bulletin

Summary of the invention

Therefore, the issue of the present invention is to provide a kind of absorbabilities for being able to solve disadvantage possessed by the above-mentioned prior art Article.

The present invention provides a kind of absorbent commodity, which has absorbent main body, and has and correspond to dress There is the absorber of liquid retainability, configuration to exist for the transverse direction longitudinal and orthogonal to that in the front-back direction of person, the absorbent main body Back sheet of the skin of the absorber with respect to the positive dough sheet of surface side with configuration in the opposite surface side of non-skin of the absorber, and wrap Include: when wearing and the excretory portion of wearer relative configuration excretory portion counterpart；Configuration than the excretory portion counterpart by wearing The front part of the position of the veutro of person；With configuration at the rear than the excretory portion counterpart by the position of the back side of wearer Portion.Above-mentioned absorber is multiple along above-mentioned longitudinal longitudinal gap with being formed with the state of dispersion in above-mentioned excretory portion counterpart The excretory portion gap zone of seam.Above-mentioned positive dough sheet its skin with respect to surface side have multiple protrusions and positioned at the adjacent protrusion it Between recessed portion, when overlooking above-mentioned article, longitudinal slot of above-mentioned absorber intersects with the above-mentioned recessed portion of above-mentioned positive dough sheet. The width of above-mentioned recessed portion is greater than the width of above-mentioned longitudinal slot.

Detailed description of the invention

Fig. 1 is to indicate the skin of the sanitary napkin of an embodiment of absorbent commodity of the invention with respect to surface side The top view of (positive dough sheet side).

Fig. 2 is the sectional view for schematically showing the section I-I of Fig. 1.

Fig. 3 is the master for schematically showing an embodiment of positive dough sheet possessed by sanitary napkin shown in FIG. 1 Want the perspective view of part.

Fig. 4 is the top view for indicating absorber possessed by sanitary napkin shown in FIG. 1.

Fig. 5 is the schematic diagram for indicating the major part amplification of absorber shown in Fig. 4.

Fig. 6 is the schematic diagram for indicating the major part amplification of another embodiment of absorber shown in Fig. 4.

Fig. 7 (a) and (b) are the signals for indicating the major part amplification of another embodiment of absorber shown in Fig. 4 Figure.

Fig. 8 is recessed portion and the signal of the positional relationship for the longitudinal slot for being formed in absorber for indicating to be formed in positive dough sheet Figure.

Fig. 9 (a) to Fig. 9 (d) is the schematic cross-section for indicating another additional absorbents of method for folding of absorbent sheet Figure.

Specific embodiment

Hereinafter, referring to attached drawing to absorbent commodity of the invention, based on the physiology use as its preferred embodiment Sanitary napkin is illustrated.As depicted in figs. 1 and 2, the sanitary napkin 1 of present embodiment has absorbent main body 5, and has and be equivalent to The longitudinal direction X in the front-back direction of wearer and orthogonal to that lateral Y, the absorbent main body 5 have the absorber of liquid retainability 4, back of the skin configured in the absorber 4 with respect to the positive dough sheet 2 of surface side and the opposite surface side of the non-skin configured in the absorber 4 Dough sheet 3.

In addition, in the present specification, skin opposite face is absorbent commodity or its component parts (such as absorbent main body 5) When wearing absorbent commodity towards the face of the skin side of wearer, non-skin opposite face is absorbent commodity or its constituting portion The face of the direction side (wear the clothes side) opposite with skin side when wearing absorbent commodity of part.In addition, longitudinal direction X with along absorbability The direction (length direction) of the long side of article (absorbent main body) unanimously, the width of lateral Y and absorbent commodity (absorbent main body) It is consistent to spend direction (direction orthogonal to the longitudinal direction).

Absorbent main body 5 includes excretory portion counterpart B on longitudinal X, opposite with the excretory portion of wearer when wearing Configuration；Front part A is configured when wearing than excretory portion counterpart B by the position of the veutro (front side) of wearer；And rear part C is configured when wearing than excretory portion counterpart B by the position of the back side (rear side) of wearer." dress mentioned herein When " refer to and maintain the common state appropriate for wearing position (the correct of the absorbent commodity wears position), not comprising defending Raw towel 1 is in the case where state that positional shift is worn from this.

Sanitary napkin 1 is other than with absorbent main body 5, further includes: a pair of of tab portion 7,7, respectively from absorbability master The both sides of the X along longitudinal direction of the excretory portion counterpart B of body 5 extend to the outside of lateral Y；With alar part 8,8 after a pair, respectively from The both sides of the X along longitudinal direction of the rear part C of absorbent main body 5 extend to the outside of lateral Y.Such physiology with rear alar part 8 It wears when with sanitary napkin suitable for being used for a long time in sleep etc., is particularly useful as ight sanitary napkin.

In addition, in absorbent commodity of the invention, when having tab portion the sanitary napkin 1 such as present embodiment, Excretory portion counterpart is usually to have on the longitudinal direction (length direction of absorbent commodity, X-direction) in figure of absorbent commodity The region (being clipped in the region between the root of longitudinal side of tab portion and the root of the other side) of tab portion.Without tab portion The excretory portion counterpart of absorbent commodity be region identical as following region or narrower than the region, rolled over by absorbent commodity It is generated when being stacked as the individual packaging form of 3 foldings and crosses the suction in transverse direction (width direction of absorbent commodity, Y-direction) in figure When two broken line (not shown) of the property received article, which is the first broken line from longitudinal front end number of the absorbent commodity With the second broken line area encompassed.

As shown in Fig. 2, positive dough sheet 2 coats the whole region of the skin opposite face of absorber 4, and then from the edge of absorber 4 The both side edges of longitudinal X extend to the outside of lateral Y.On the other hand, back sheet 3 coats the whole of the non-skin opposite face of absorber 4 A region, so from the both side edges of the X along longitudinal direction of absorber 4 to the outside of lateral Y extend, and with following 10 1 similar shapes of lateral plate At flank section 6.Extension of the back sheet 3 with lateral plate 10 in the two sides genesis of the X along longitudinal direction from absorber 4 utilizes bonding agent, heat Joint method well known to sealing, ultrasonic sealing function etc. and be interconnected.Positive dough sheet 2 and back sheet 3 are respectively between absorber 4 It can use bonding agent engagement.

As shown in Fig. 2, the absorber 4 in present embodiment includes the laminated body of absorbent sheet 401~403, such as Fig. 1 and figure Shown in 2, there is multi-layer portion 42 in excretory portion counterpart B.As shown in Fig. 2, multi-layer portion 42 is to constitute the absorbent sheet of absorber 4 The lamination the piece number part more than part located around it.The thickness of multi-layer portion 42 in present embodiment is than located around it Part is thick, forms oriented 2 side of positive dough sheet (skin of sanitary napkin 1 is with respect to surface side) protrusion outstanding in excretory portion counterpart B.This Outside, absorber 4 includes: main absorber 40, forms the shape of absorber 4；With additional absorbents 41, overlap in main suction A part of acceptor 40, it is more small-sized than main absorber 40.Main absorber 40 includes substantially square cambered for corner band when looking down Shape shape and two same shapes and the suction of same size for extending to rear part C via excretory portion counterpart B from front part A The property received piece 401,402, additional absorbents 41 are when looking down rectangular shape, are configured near it from excretory portion counterpart B Rear part C.In addition, the structure of main absorber 40 can also be constituted instead of using two absorbent sheets 401,402, and one is inhaled The property received piece is folded into two layers to constitute main absorber 40.Additional absorbents 41 are form 1 folding of absorbent sheet 403 two Layer construction, configures between two absorbent sheets 401,402 for constituting main absorber 40.Pass through a part in main absorber 40 Additional absorbents 41 are configured, the absorptive capacity of a part of absorber 4 can easily and efficiently be made to increase.Additional absorbents 41 can replace structure of the configuration between two absorbent sheets 401,402 for constituting main absorber 40, and are layered in and constitute main absorption The skin of the absorbent sheet 401 of the upside of body 40 can also be layered in the absorption for constituting the downside of main absorber 40 with respect to surface side The non-skin of property piece 402 is with respect to surface side.In addition, can not engage between absorbent sheet, the bonding agent of scattering device also can use Deng engagement.

As shown in Figure 1, two of the X along longitudinal direction in the skin opposite face (the skin opposite face of positive dough sheet 2) of absorbent main body 5 Side, a pair of of lateral plate 10,10 is in a manner of Chong Die with the left and right sides portion of X along longitudinal direction of absorber 4 when looking down, throughout absorbing Longitudinal X's of property main body 5 substantially endlong configures.A pair of of lateral plate 10,10 is respectively in linear the positioned at excretory portion counterpart B The second linear engagement of the front and back (front part A and rear part C) of one closing line 11 and longitudinal X positioned at first closing line 11 Line 12 is engaged in absorbent main body 5 (positive dough sheet 2).First closing line 11 is the curve protruded when looking down to the outside of lateral Y Shape, the second closing line 12 are the threadiness (sawtooth linear) to extend with crossed longitudinally mode when looking down.Lateral plate 10 includes to dial Aqueous short strip shape non-woven fabrics.As shown in Fig. 2, the interior side edge part of the X along longitudinal direction of lateral plate 10 becomes free end.Lateral plate like this 10 when closing line 11,12 is engaged in skin opposite face (positive dough sheet 2) of absorbent main body 5, as shown in Fig. 2, than closing line 11,12 by the position of the inside of transverse direction Y, is formed with the spatial portion P marked off by lateral plate 10 and positive dough sheet 2.Spatial portion P is to suction Therefore the central opening of the lateral Y of the property received main body 5 is accommodated in sky from drained liquids such as the menses in center flow direction outside of lateral Y Between portion P, as a result, the leakage of discharged liquid can be effectively prevented.

As shown in Figure 1, flank section 6 is significantly stretched out in excretory portion counterpart B to the outside of lateral Y, as a result, in absorbability The left and right sides of the X along longitudinal direction of main body 5, which is extended, a pair of of tab portion 7,7.In addition, flank section 6 is in rear part C also to transverse direction The outside of Y is significantly stretched out, as a result, the alar part 8,8 after the left and right sides of the X along longitudinal direction of main body 5 is extended and has a pair.This Outside, as shown in Figure 1, positive dough sheet 2 and back sheet 3 respectively from the front-end and back-end of longitudinal X of absorber 4 to longitudinal X on the outside of prolong It stretches, the extension at them is interconnected using joint method well known to bonding agent, heat sealing, ultrasonic sealing function etc. and forms end Sealing portion, portion.

Tab portion 7 is used to non-skin opposite face (outer surface) the side inflection of the crotch of the clothings such as shorts.Such as Fig. 1 institute Show, tab portion 7 is located at the generally trapezoidal shape of the lateral side of absorbent main body 5 with bottom (side longer than upper bottom) when looking down Shape.It is formed in the non-skin opposite face of tab portion 7 and the tab portion 7 (sanitary napkin 1) is fixed on the clothings such as shorts (not shown) On tab portion paste section (not shown), be configured to using the tab portion paste section, and when in use by inflection to clothing The tab portion 7 of non-skin opposite face (outer surface) side of the crotch of object is pasted and fixed on the crotch.In addition, being inhaled in sanitary napkin 1 The line of demarcation of the property received main body 5 and tab portion 7 is the straight line (not shown) for linking two roots of longitudinal X of tab portion 7.

The respective non-skin opposite face (the non-skin opposite face of lateral plate 10) of alar part 8,8 after a pair, being formed with will be after this Alar part 8 (sanitary napkin 1) is fixed on the rear paste section 9 of the lengthwise on the clothings such as shorts (not shown).Rear paste section 9 is overlooked When on longitudinal X longer rectangular shape.As shown in Figure 1, the rear paste section 9 of alar part 8 and another rear alar part 8 after one Rear paste section 9 be same shape and identical size, and on longitudinal X be located at same position, by absorbent main body 5 in cross Be formed as bilateral symmetry on the basis of the center line (not shown) halved on Y.Afterwards alar part 8 when being fixed in clothing not By inflection, and the state (state extended to the side of absorbent main body 5) being unfolded with its non-skin opposite face is viscous via rear Patch portion 9 is pasted and fixed on the skin opposite face (inner surface) of clothing.Rear paste section 9 and above-mentioned tab portion paste section pass through by Hot-melt adhesive is arranged coated in predetermined portion, by including not scheming for film, non-woven fabrics, paper etc. before using sanitary napkin 1 The stripping film covering shown.

Although not shown, but preferably sanitary napkin 1 also has the second chip part between absorber 4 and positive dough sheet 2.Second portion Part is preferably its fibre plate for constituting the liquid permeability that fiber is synthetic fibers.Especially, when the second chip part is by hydrophobic Property synthetic fibers carried out hydrophilicity-imparting treatment fiber constitute when, the Spreading Depression in Rats of liquid can be obtained lower.In addition, structure It is lower and from the viewpoint of improving mechanical adaptability from Spreading Depression in Rats is obtained at the synthetic fibers of the second chip part, preferably For the fiber of slightly water-wet.Second chip part can be by including polyethylene, polypropylene, polyethylene terephthalate, poly- to benzene The fiber of the resins such as the polyamide such as the polyester such as dioctyl phthalate fourth diester, nylon 6 or nylon66 fiber independently forms, or they are mixed two kinds It is formed above.In addition, so-called mixing is comprising being made sheath-core type conjugate fiber for two or more resin with different melting points herein Or parallel composite fiber and the case where use.

Second chip part is the diffusible sheet material of permeability with higher and appropriateness, and therefore, thickness is preferably 0.15mm or more, more preferably 0.2mm or more.Furthermore it is preferred that being 0.4mm hereinafter, more preferably 0.3mm or less.From considering For the viewpoint of wearing effect, thickness is to measure to obtain under 0.5kPa load.

As the second chip part, the heat that the mutual intersection point of synthetic fibers of intersection passes through hot wind mode can be preferably used The hot-wind nonwoven cloth of welding and engagement.In addition, in addition to hot-wind nonwoven cloth or point bonding a non-woven fabrics, spun-bonded non-woven fabrics, Spunlace non-woven cloth etc..When the second chip part is hot-wind nonwoven cloth, base weight (mass area ratio) is preferably 15g/m²More than It and is 40g/m²Below.

Positive dough sheet 2 and the preferred part of the second chip part are affixed.Thereby, it is possible to inhibit heaving for positive dough sheet 2, positive dough sheet is improved 2 and second chip part close property, and make liquid be easy movement.Based on same reason, preferably the second chip part and absorber 4 it Between also part it is affixed.So-called part is affixed to refer to that the Fixed Division having comprising point or line, the Fixed Division are distributed in entire piece face, Though will not be carried out between affixed sheet material entire affixed without being evenly distributed.The area of the Fixed Division is preferably consolidated 10% or more 60% degree below of the contact pin material gross area.Specifically, applying bonding agent or real at intervals at intervals Heat application sealing, so that positive dough sheet 2 and the second chip part is locally affixed.When applying bonding agent at intervals, using well known Method, such as bonding agent is applied at intervals using seam type coating rifle, or helically applies bonding agent using spiral spray gun, Or bonding agent is applied using spray gun is misty at intervals, or apply bonding agent dottedly using point type coating rifle, thus with front The state that the permeability of body fluid is maintained between piece 2 and the second chip part, positive dough sheet 2 is locally engaged with the second chip part.Make For the bonding agent of coating, such as it is preferable to use hot-melt adhesives.

As hot-melt adhesive, phenylethylene, olefines etc. can be enumerated.It, can as phenylethylene hot-melt adhesive Use styrene-butadiene-styrene (SBS), styrene-isoprene-styrene copolymer (SIS), as SBS The styrene-ethylene-butylene-styrene copolymer (SEBS) of hydride, blend obtained by the two or more blending by them Class hot-melt adhesive.Wherein, for the viewpoint of easy acquirement bonding force and the balance of cohesiveness, in the present invention particularly preferably Use the blending class hot-melt adhesive or SIS of SIS and SBS and the blending class hot-melt adhesive of SEBS.The coating of hot-melt adhesive Amount is preferably 3g/m²Above and 10g/m²Below.

It, will be positive when implementing heat sealing at intervals, such as using hot dandy roll and flat roller with multiple protrusions The laminated sheet of piece 2 and the second chip part is delivered between hot dandy roll and flat roller and is embossed, to make positive dough sheet 2 and second Chip part locally fuses.The mutual interval of multiple welding points formed by welding, from make positive dough sheet 2 and the second chip part it Between there is the close property of appropriateness and maintain the viewpoint of permeability of body fluid for, preferably 5mm or more and 15mm or less.

As illustrated in fig. 1 and 2, front is formed in the skin opposite face of absorbent main body 5 (the skin opposite face of positive dough sheet 2) Piece 2 and absorber 4 support or oppose 3 side of dough sheet be integrally recessed and the linear slot that is formed, which includes: cannelure 51, at rear Portion C extends on longitudinal X；With inner side slot 61, it is located at the position than cannelure 51 by the inside of transverse direction Y in rear part C.Due to vertical Slot 51 is positioned at the slot than inner side slot 61 by the position in the outside of transverse direction Y, therefore alternatively referred to as outer side slot (outside cannelure).It is linear Slot can be by conventionally forming with Embossing processings such as embossing or ultrasonic embossings hot or that be not accompanied by heat.Online In shape slot, positive dough sheet 2 and absorber 4 pass through the integrations such as heat welding.

When such linear slot is formed in the skin opposite face of sanitary napkin 1, the plane side of absorber 4 can be effectively inhibited To liquid diffusion, and wrinkling for absorber 4 can be prevented.The formation of linear slot is for preventing the expansions of the discharged liquids such as menses It dissipates and is promoted when wearing and the close property etc. of body is particularly effective.In particular, the cannelure 51 by rear part C can be effectively The leakage of rear part C wrinkled with rear adipping is prevented, inner side slot 61 is when wearing sanitary napkin 1 along the buttocks of wearer Ditch, therefore back leak can be effectively prevented.The width (length in direction orthogonal to the longitudinal direction) and depth of linear slot with Linear slot in such absorbent commodity is equally set.

As shown in Figure 1, cannelure 51 is across the center line formation (not shown) for halving absorbent main body 5 in the lateral direction y There is a pair, which is formed as bilateral symmetry on the basis of the center line.A pair of of cannelure 51,51 is not only distinguished Extend in rear part C, also extends respectively in excretory portion counterpart B and front part A, in excretory portion counterpart B, in multi-layer portion 42 The outside of lateral Y extend on longitudinal X.

In the present embodiment, as shown in Figure 1, as above-mentioned linear slot, in addition to the slot 51,61 that extends on longitudinal X with Outside, the translot 71,72 extended in the lateral direction y is also sequentially formed to rear side from the front side of longitudinal X of absorbent main body 5.Translot 71 are located at front part A, and when looking down to the front end convex curvature of longitudinal X of absorbent main body 5, in addition, after translot 72 is located at Square portion C, and when looking down to the rear end convex curvature of longitudinal X of absorbent main body 5, two slots 71,72 only its protrusion direction not With and plan view shape is identical.Translot 71,72 respective protrusions top be located at absorbent main body 5 lateral Y center.A pair is vertical Slot 51,51 and translot 71,72 link in the end of their length direction, as a result, in the skin opposite face shape of absorbent main body 5 At the slot of (substantially oblong shape) annular in shape when having vertical view.

In the top view shown in Fig. 1 of inner side slot 61, be formed as protruding to the rear end of longitudinal X of absorbent main body 5 big U-shaped is caused, the top of the protrusion becomes the rear end 61b of longitudinal direction X.(the top of the protrusion of U-shaped rear end 61b of the inner side slot 61 of U-shaped Portion) be located at rear alar part 8 longitudinal X substantial middle.In addition, front end 61a, 61a of longitudinal X of the inner side slot 61 of U-shaped are located at The boundary 15 of excretory portion counterpart B and rear part C or its near, can be effectively prevented using inner side slot 61 from excretion as a result, The diffusion of the in-planes of discharged liquids such as the menses that portion counterpart B is leaked out.The boundary 15 of excretory portion counterpart B and rear part C, with " straight line for linking the root of the rear side of the respective longitudinal direction X of a pair of of tab portion 7,7 " or " after longitudinal X of multi-layer portion 42 End and transversely Y extend straight line " unanimously, be also the location of longitudinal front end 8a of rear alar part 8.The inner side slot 61 of U-shaped In the part (rear end 61b and its part other than around) that extends longitudinally, be located at the front end 61a of its longitudinal direction X when looking down Than rear end by the mode in the outside of transverse direction Y, tilted relative to longitudinal X.

In Fig. 3, the major part of the skin opposite face of positive dough sheet 2, which is amplified, to be indicated.In the skin opposite face of positive dough sheet 2 2a (the skin opposite face of sanitary napkin 1), extends recessed on the direction (i.e. inclined direction) intersected respectively with longitudinal X and transverse direction Y Concave portion 20 is formed as oblique clathrate, and positive dough sheet 2 is divided into multiple regions using recessed portion 20, and is formed with multiple division regions 22.In the embodiment shown in fig. 3, recessed portion 20 spreads the whole region of positive dough sheet 20 and is formed.The structure can also be replaced, At least recessed portion 20 is formed in excretory portion counterpart B.In addition, the X-direction in Fig. 3 be be orthogonal to positive dough sheet manufacture when sheet material Flow direction the identical direction in direction (CD), and be the identical direction longitudinal X (referring to Fig.1) with sanitary napkin 1.In addition, Y-direction in Fig. 3 is the identical direction in flow direction (MD) of sheet material when manufacturing with positive dough sheet, and is the cross with sanitary napkin 1 To the identical direction Y (referring to Fig.1).

Further positive dough sheet 2 is illustrated, the fibre such as the non-woven fabrics comprising monolayer constructions or multi-ply construction of positive dough sheet 2 Sheet material is tieed up, the whole region of skin opposite face 2a has concaveconvex shape as shown in Figure 3, which is respectively provided with more A recessed portion 20 for being formed as oblique clathrate and the protrusion 21 surrounded by the recessed portion 20.On the other hand, the non-skin of positive dough sheet 2 Opposite face 2b does not have concaveconvex shape substantially, is shaped generally as flat.

Recessed portion 20 is formed by that will crimp or be bonded comprising the composition fiber of the positive dough sheet 2 of fibre sheet material.As pressure The method for connecing fiber can be enumerated with Embossing processings such as heat or the extrusion process, the ultrasonic wave extrusion process that are not accompanied by heat etc..Its As a result, the density of recessed portion 20 becomes higher than the density of protrusion 21 in positive dough sheet 2.It is applied with as a result, to positive dough sheet 2 In the case where external force, recessed portion 20 is easy to play a role as the flexible axle of deformation.The recessed portion of the positive dough sheet 2 of present embodiment 20 are formed and implementing hot Embossing processing to the fiber mesh cloth formed by carding method.In recessed portion 20, positive dough sheet 2 or composition The composition fiber of the non-woven fabrics of the positive dough sheet 2 is that heat welding property fiber passes through heat welding integration.Heat in recessed portion 20 is melted Form of the heat welding components fuse of connecing property fiber without maintaining fiber.

In positive dough sheet 2, recessed portion 20 is made only in positive dough sheet 2, is not formed in adjacent with the positive dough sheet 2 and configures at this The absorber 4 of the lower section of positive dough sheet 2.Therefore, positive dough sheet 2 is not engaged via recessed portion 20 with absorber 4.

Recessed portion 20 is preferably threadiness.The shape that so-called herein " threadiness " is not limited to recessed portion 20 is Fig. 3 when looking down Shown in straight line, also include curve, and each line can be continuous lines, or be also possible to when looking down for rectangle, square, water chestnut Multiple recess portions (embossing portion) of shape, circle, cross etc. are substantially not separated by interval and are connected so that it is continuous for being integrally formed Line." being substantially not separated by interval " refers to that the adjacent spaces of recess portion are within 5mm.

Recessed portion 20 is formed as oblique clathrate as shown in Figure 3.More specifically, positive dough sheet 2 have as recessed portion 20 There are the multiple first linear recessed portion 20a for being parallel to each other and being formed at predetermined intervals, and is parallel to each other and shape at predetermined intervals At the multiple second linear recessed portion 20b, the first linear recessed portion 20a form regulation with the second linear recessed portion 20b Angle and intersect.First linear recessed portion 20a and the second linear recessed portion 20b respectively with longitudinal X and cross Linearly extend on the direction (i.e. inclined direction) intersected to Y.The width of first linear recessed portion 20a and the second threadiness The width of recessed portion 20b can be identical, or can also be different.The first linear mutual interval recessed portion 20a and the second threadiness The mutual interval recessed portion 20b can be identical, or can also be different.

Each region 22 that divides is the region around surrounded respectively by linear recessed portion 20, is when looking down diamond shape shape Shape.Each area for dividing region 22 is for example preferably 0.25cm²The above 2cm²Below.Region 22 is divided to be capable of forming to bow Apparent time is compared with longitudinal X, longer diamond shape in the lateral direction y.Alternatively, can also in contrast, be formed as compared with lateral Y Longer diamond shape on longitudinal X.Be formed as being formed in longer shape on the lateral Y of sanitary napkin 1 dividing region 22 The positive dough sheet 2 of multiple recessed portions 20 keeps higher rigidity in lateral Y, and thus, it is possible to be effectively prevented sanitary napkin 1 to wear shape Wrinkling in state wrinkles.Wrinkling in the wearing effect of sanitary napkin 1 or to wrinkle be mainly two thighs due to being clipped in wearer Sanitary napkin 1 between portion is squeezed by the huckle from lateral Y, when positive dough sheet 2 is when lateral Y keeps higher rigidity, even if from cross It is extruded the shape that also can easily maintain sanitary napkin 1 to Y, is not easy to wrinkle or wrinkle.

It is formed in each division region 22 relative to the convex of the 20 relativity lifting of recessed portion for surrounding the division region 22 Portion 21, each region 22 that divides are formed as the convex form for having top 21a in the skin side opposite face 2a.Top 21a of protrusion 21 In the central portion for dividing region 22.It is filled up in protrusion 21 by the fiber that constitutes of positive dough sheet 2.As described below, it is not excluded in the present invention The form of recessed portion other than threadiness, but for the viewpoint for forming good protrusion 21, recessed portion is preferably threadiness.

Like this, recessed portion 20 alternately configures on longitudinal X of positive dough sheet 2 and transverse direction Y respectively with protrusion 21, as a result, The contact area of sanitary napkin 1 and the skin of wearer can be reduced, and is effectively prevented sultry or macula.In addition, protrusion 21 (stroke Subregion 22) it is surrounded by recessed portion 20, and be when looking down the shape of closure, it is not surrounded as a result, by recessed portion 20 with protrusion 21 The case where compare, the composition fiber in protrusion 21 be easy to the thickness direction of positive dough sheet 2 extend, therefore protrusion 21 thickness increase Add, thus play following etc. effects: 1) liquid promptly penetrates, and liquid remains less, the contact surface of positive dough sheet 2 and skin Product is reduced；2) protrusion 21 is formed by the pattern of rule, therefore eye impressions are good.

The major part of absorber 4 is shown in FIG. 4.As shown in figure 4, absorber 4 excretory portion counterpart B have with The state of dispersion is formed with the excretory portion gap zone S of multiple longitudinal slots 43 along longitudinal X.Longitudinal 43 row of being formed in of slot It lets out among position the two other than the multi-layer portion 42 and multi-layer portion 42 in portion counterpart B.

Each longitudinal direction slot 43 is respectively independent, and non-slot portion 43' is between adjacent longitudinal slot 43.Moreover, each Whole region around longitudinal slot 43 is surrounded by non-slot portion 43'.

Longitudinal slot 43 is by not having width substantially by being formed and its thickness direction forms notch to absorber 4 The notch of degree is formed, or preferably becomes the space of 1.5mm narrow width below.When longitudinal slot 43 has width, the width Refer to the length of the longitudinal direction slot 43 on the direction orthogonal with longitudinal extending direction of slot 43.

Longitudinal slot 43 preferably penetrates through the suction for constituting absorber 4 in the whole region of thickness direction as shown in Figure 2 The laminated body of the property received piece.Preferably longitudinally slot 43 is not formed in the upper and lower positive dough sheet 2 and back sheet 3 for being configured at absorber 4, It is not formed in the second chip part (not shown) comprising non-woven fabrics configured between positive dough sheet 2 and absorber 4 sometimes.

As shown in enlarged view of the main part, that is, Fig. 5 and Fig. 6 of Fig. 4, in absorber 4, included in the lateral Y of sanitary napkin 1 Slot row R1, R2 of multiple longitudinal slots 43 of upper interval, are formed with multirow on longitudinal X of sanitary napkin 1.Show in Fig. 5 The slot row R1 for having gone out two longitudinal slots 43 comprising interval in the lateral direction y and 3 comprising interval in the lateral direction y The example that the slot row R2 of a longitudinal direction slot 43 is alternately formed on longitudinal X, but in gap zone S of the invention, it is minimum The slot row of two longitudinal slots comprising interval in the lateral direction y is formed with two rows on longitudinal X.However, it is preferred to Slot row is formed with 3 rows or more on longitudinal X, is more preferably formed with 4 rows or more, has been especially preferred to form 5 rows or more.In addition, The number of longitudinal slot of interval on lateral X that each slot row is included preferably two or more, more preferably 3 More than, particularly preferably 4 or more.

The slot adjacent on longitudinal X of sanitary napkin 1 in the ranks has interval P.That is, two slots adjacent on longitudinal X Between row R1, R2, it is provided with interval P as shown in Figure 5.Being spaced P is preferably the longitudinal X for constituting longitudinal slot 43 of slot row The 50% of length L1 is hereinafter, more preferably 35% or less.Furthermore it is preferred that being 5% or more, more preferably 10% or more.

The position of longitudinal slot 43 of the slot row adjacent on longitudinal X of sanitary napkin 1 is wrong on the lateral Y of sanitary napkin 1 It opens.As shown in figure 5, longitudinal slot 43 in two slot rows R1, R2 adjacent on longitudinal X, preferably slot row R1's Slot 43 is located at the central portion between the slot 43 of another slot row R2, but 43 bias of slot of a slot row R1 is in another Either side between the slot 43 of slot row R2 and formed also possible.Fig. 6 be indicate slot row R1 adjacent on longitudinal X, The figure for the example that the position of the slot of R2 is not staggered in the lateral direction y.

Another form of excretory portion gap zone S is shown in Fig. 7 (a) and (b).The excretory portion gap shown in these figures It stitches in the S of region, the slot adjacent on longitudinal X of sanitary napkin 1 does not have interval P in the ranks.That is, two adjacent on longitudinal X Interval P shown in fig. 5 is not provided between slot row R1, R2.Comprising such as in the statement that adjacent slot does not have interval P in the ranks Lower two kinds of situations: as shown in Fig. 7 (a), the situation of the mutual position consistency in end of the slot 43 of adjacent slot row；With such as figure Shown in 7 (b), the situation of adjacent slot row overlapping at last point of longitudinal X.As shown in Fig. 7 (b) so that two slots For the state of the mutual a part overlapping of row when configuring slot row on longitudinal X, the length L2 of overlapping preferably constitutes slot row Longitudinal slot 43 longitudinal X length L1 20% hereinafter, more preferably 10% or less.Furthermore it is preferred that being 1% or more, more Preferably 5% or more.

Sanitary napkin 1 according to the present embodiment, as shown in figure 4, the absorber 4 of the laminated body comprising absorbent sheet is being drained There is portion counterpart B the excretory portion gap zone S for being formed with multiple longitudinal slots 43 with the state of dispersion therefore to defend in dress When raw towel 1, even if being applied to the power of compressed absorbent 4 on lateral X by the huckle of wearer, absorber 4 is also in excretory portion gap Multiple position subtle flows of region S are stitched, therefore, are not easy to generate the deeper scrimp of depth in absorber 4 or sanitary napkin 1.Therefore, Also it can prevent from leading to wearer does not feel good or liquid flows along scrimp and leads to leakage etc. because of deeper scrimp.Especially It is not provided between adjacent slot row R1, R2 in excretory portion gap zone S Fig. 7 (a) of interval P shown in Fig. 5 and (b) in the case of shown in, the number of longitudinal slot becomes more, therefore when generating the movement etc. of wearer, is easy at multiple positions It fine deforms, therefore is less also easy to produce scrimp.Further, since longitudinal slot has the effect of barrier liquid, therefore can control Liquid processed is able to suppress leakage to lateral diffusion.

From the viewpoint grade for further reliably obtaining said effect, absorber 4 preferably has following one or two Above structure.

The length L1 (referring to Fig. 5) of longitudinal slot 43 in excretory portion gap zone S is preferably 10mm or more, more preferably 15mm or more, furthermore it is preferred that being 35mm hereinafter, more preferably 25mm is hereinafter, furthermore it is preferred that be 10mm or more 35mm hereinafter, more Preferably 15mm or more 25mm or less.

The interval L5 (referring to Fig. 5) of longitudinal slot 43 in same slot row in excretory portion gap zone S is preferably 3mm More than, more preferably 5mm or more, furthermore it is preferred that being 20mm hereinafter, more preferably 15mm is hereinafter, furthermore it is preferred that be 3mm or more 20mm is hereinafter, more preferably 5mm or more 15mm or less.

The length L4 (referring to Fig. 4) of the lateral Y of excretory portion gap zone S, the preferably absorber 4 of excretory portion counterpart B Direction Y length 30% or more, more preferably 40% or more, furthermore it is preferred that be 85% hereinafter, more preferably 75% with Under.The length L4 of the lateral Y of excretory portion gap zone S is preferably 30mm or more, more preferably 40mm or more, furthermore it is preferred that being 55mm is hereinafter, more preferably 45mm or less.

Indicate that the position of the longitudinal slot 43 and the recessed portion 20 for being formed in positive dough sheet 2 that are formed in absorber 4 is closed in Fig. 8 System.As shown in figure 8, longitudinal slot 43 is intersected with recessed portion 20 with defined angle when overlooking sanitary napkin 1.It is being conceived to one When a longitudinal direction slot 43, which intersects with a recessed portion 20, or intersects with more than two recessed portions 20.It is longitudinal There is the case where intersecting with the first linear recessed portion 20a in recessed portion 20 in slot 43, there is also the recess with the second threadiness The case where portion 20b intersects.Or there is also the recessed portions with the first linear recessed portion 20a and the second threadiness for longitudinal slot 43 The case where both 20b intersect.

Since longitudinal slot 43 intersects with recessed portion 20, positive dough sheet 2 is in the wearing effect of sanitary napkin 1 with recessed portion 20 When flexible shaft distortion, the longitudinal slot 43 intersected with the recessed portion 20 will disperse external force, and therefore, generation is not easy to go out in positive dough sheet 2 The advantageous effects of now deeper wrinkle.As a result, the wearing feeling of sanitary napkin 1 is not easy to reduce.Furthermore it is possible to steadily ensure to defend Absorbent areas in the skin opposite face of raw towel 1.Especially, when the width of recessed portion 20 is greater than the width of longitudinal slot 43, The effect further becomes significant.For the viewpoint, the width of recessed portion 20 is preferably 0.2mm or more, more preferably 0.5mm More than.In addition, the width of recessed portion 20 is preferably 1.5mm hereinafter, more preferably 1.2mm or less.For example, the width of recessed portion 20 Preferably 0.2mm or more 1.5mm is hereinafter, more preferably 0.5mm or more 1.2mm or less.The width of so-called recessed portion 20 refer to The length of the recessed portion 20 on the orthogonal direction of the extending direction of the recessed portion 20.

Above-mentioned advantageous effects be formed with positive dough sheet 2 and absorber 4 support or oppose 3 side of dough sheet be integrally recessed and the line that is formed It is especially significant when shape slot 51,61,71.In particular, the position edge of the both sides along longitudinal X in sanitary napkin 1 in linear slot The cannelure 51 (referring to Fig.1) that extends of longitudinal direction X extended in a manner of intersecting with both longitudinal slot 43 and non-slot portion 43' In the case of, it can more efficiently prevent from and generate deeper wrinkle in positive dough sheet 2.

In embodiment shown in Fig. 8, recessed portion 20 is with longitudinal slot 43 with defined angle (more than 0 degree and for 90 Below degree) intersect.In this way, recessed portion 20 to be formed as to the linear shape extended in one direction, make the recessed portion 20 Extending direction and longitudinal direction X and transverse direction Y are inconsistent, intersect recessed portion 20 with defined angle with longitudinal slot 43, from can be more It is preferred for being effectively prevented for the viewpoint of the deeper wrinkle of the formation of positive dough sheet 2.For the viewpoint, recessed portion 20 is preferred For oblique clathrate shown in Fig. 8.Intersecting angle ranges preferably from 5 degree or more 90 degree hereinafter, more preferably 10 degree or more 90 degree Below.

Return to Fig. 4, as shown in figure 4, absorber 4 be located at than excretory portion counterpart B rear part C rearward have along The multiple rear slots 45 extended with the direction that longitudinal X of sanitary napkin 1 intersects.The rear slot 45 has the length side of slot 45 To central portion 45a be located at both ends 45b, 45b than the length direction the position position of the side portion A on the front vertical view shape Shape more preferably has the curved plan view shape in the side portion A convex ground forwards.In addition, rear slot 45 is in the vertical of sanitary napkin 1 It is formed at spaced intervals on X multiple.In turn, as shown in figure 4, length L3 on the lateral Y of the sanitary napkin 1 of rear slot 45 Length L4 than the direction Y of excretory portion gap zone S is short.

By forming multiple rear slots 45, though near the rear end from excretory portion counterpart B to rear part C, Must endure as the power from huckle and cooperate body shape and curved position forward and backward, absorber 4 and health Towel 1 is also deformed readily along the movement of wearer or body shape.Therefore, even if using the laminated body comprising absorbent sheet Absorber 4 can also obtain excellent conformability, anti-leakage, wearing feeling.Especially, by making the length L3 of rear slot 45 Length L4 than excretory portion gap zone S is short, the power due to being subject to from huckle and excretory portion counterpart B generate wrinkle not It is easily continuously formed from the excretory portion counterpart B to rear part C, so as to obtain excellent conformability, anti-leakage and dress Sense.Further, since the furrow width (width of gluteal fold) of the buttocks of human body is 20mm or more 40mm hereinafter, therefore sanitary napkin 1 will not mistake In entering gluteal fold, wearing feeling variation is not easily led to, therefore preferably.

It is same as excretory portion counterpart B, in rear part C, when overlooking sanitary napkin 1, rear slot 45 and recessed portion 20 With defined angle intersection.When being conceived to a rear slot 45, which intersects with a recessed portion 20, or with More than two recessed portions 20 intersect.What rear slot 45 intersected in the presence of the recessed portion 20a with the first threadiness in recessed portion 20 Situation, there is also intersect with the second linear recessed portion 20b.Or there is also recessed with the first threadiness for rear slot 45 The case where both concave portion 20a and second linear recessed portion 20b intersect.By the intersection, even if can be effective rear part C Ground prevents from generating deeper wrinkle in positive dough sheet 2.Especially, when the width of recessed portion 20 is greater than the width of rear slot 45, The effect becomes more significant.For the viewpoint, the width of rear slot 45 is preferably 0.3mm or more, more preferably 0.5mm with On.Furthermore it is preferred that being 1.5mm hereinafter, more preferably 1.2mm or less.For example, the width of rear slot 45 be preferably 0.3mm with Upper 1.5mm is hereinafter, more preferably 0.5mm or more 1.2mm or less.The width of so-called rear slot 45 refers to and the rear slot 45 The orthogonal direction of extending direction on the rear slot 45 length.It is different according to the position of rear slot 45 in width When, the width of widest part is set as to the width of rear slot 45.

For making the more significant viewpoint of said effect, after the length L3 of the lateral Y of rear slot 45 preferably has this 30% or more, more preferably 40% or more of the length of the position of square slot 45, absorber 4 direction Y, furthermore it is preferred that For 65% hereinafter, more preferably 55% or less.In addition, the length L3 of the above-mentioned transverse direction Y of rear slot 45 is preferably 30mm or more, More preferably 40mm or more, furthermore it is preferred that being 55mm hereinafter, more preferably 45mm or less.

In addition, being conceived in two rear slots 45 adjacent on longitudinal X, being located in the rear part C of absorber 4 The back-end location of the rear slot 45 of front side (is joined with the distance between the front position of rear slot 45 of side L8 is located behind According to Fig. 4) it is preferably 2mm or more, more preferably 4mm or more, in addition, to for the viewpoint of the stickiness of buttocks, preferably 10mm is hereinafter, more preferably 7mm or less.Such as L8 is preferably 2mm or more 10mm or less.

The absorber 4 of the sanitary napkin 1 of present embodiment has multi-layer portion 42, excretion in excretory portion counterpart B as described above Portion gap zone S is formed in the region comprising the multi-layer portion 42.On the other hand, rear slot 45 is formed at multi-layer portion 42 Rear, the absorbent sheet stacking the piece number position fewer than the multi-layer portion 42.Thus for being somebody's turn to do in the wearing effect of sanitary napkin 1 The width of the external pressure that sanitary napkin 1 is subject to from huckle etc., rear slot 45 tends to get bigger.As a result, can play as follows Advantageous effect: can make complicated body shape of the rear slot 45 relative to wearer, soft and be resiliently deformable and draw It leads.

Preferred embodiment of the invention is specifically described, second is configured between positive dough sheet 2 and absorber 4 Component (not shown), recessed portion 20 are provided only on positive dough sheet 2, form longitudinal slot 43, Er Qie in the multi-layer portion 42 of absorber 4 Two chip parts are formed as both being not provided with recessed portion 20 or are not provided with the flat configuration of longitudinal slot 43.By using such structure It makes, can more easily inhibit to generate wrinkle in 2 side of positive dough sheet, and the body fluid for flowing through the recess on the surface of positive dough sheet 2 is easy Successfully it flow to absorber 4.

The forming material of each section in sanitary napkin 1 is illustrated, as back sheet 3, can be made with no particular limitation With in the technical field all the time used in a variety of materials.For example, being able to use material or the water repellent of liquid impermeability The material of property.Material as liquid impermeability is able to use resin film or with micropore and with the resin of penetrability The laminated material etc. of film, resin film and non-woven fabrics etc., the material as water-repellancy are able to use comprising spunbond melt-spun spunbond etc. Compound nonwoven cloth, spun-bonded non-woven fabrics, hot sticky non-woven fabrics, hot-wind nonwoven cloth of multi-ply construction etc..

As the absorbent sheet 401~403 for constituting absorber 4, the water imbibition via moisture state can be preferably used The adhesive of adherence force caused by polymer or the bonding agent separately added or adhesive fiber etc., makes to constitute between fiber or structure At between fiber and water absorbent polymer in conjunction with and the structure that is formed as sheet etc..In addition, being able to use as absorbent sheet: by The absorbent sheet that the method that Japanese Patent Laid-Open 8-246395 bulletin is recorded produces；Make the crushing supplied with air-flow After paper pulp and water absorbent polymer accumulation, the dry type of bonding agent (such as bonding agent, PVA of vinyl acetate esters etc.) consolidation is utilized Piece；The absorbent sheet that hot-melt adhesive etc. later spreads superabsorbent polymer and obtains is applied between paper or non-woven fabrics； The absorbent sheet etc. deploying superabsorbent polymer in spunbond or melt spraying non-woven fabrics manufacturing step and obtaining.These absorbent sheets It can be used and being regulation shape using a piece of sheet material severing as sheet absorber.

The laminated body of absorbent sheet in the present invention can be, and individual absorbent sheet fitting multi-disc is laminated and shape At, a piece of absorbent sheet can also be folded and these interlayers are engaged and are formed as laminated body.In addition it is also possible to incite somebody to action Such laminated body is clipped between two absorbent sheets or is folded into the interlayer of two layers or more of laminated body, or is layered in other suctions The skin of the property received piece is formed with respect to surface side or non-skin with respect to surface side.In addition, the method for folding of absorbent sheet can use it is more Kind method for folding, for example, the additional absorbents in above embodiment may be by absorbent sheet 403 with Fig. 9 (a)~Fig. 9 (d) method for folding shown in fold and formed.

The thickness of the multi-layer portion 42 of absorber 4 is preferably 0.7mm or more, especially preferably 1mm or more, furthermore it is preferred that being 5mm is hereinafter, more preferably 4mm or less.More specifically, preferably 0.7mm or more 5mm is hereinafter, more preferably 1mm or more 4mm Below.By using the range, the good wearing feeling and higher absorbent properties of excretory portion counterpart B are easy while realized. In addition, when sanitary napkin 1 has tab portion 7 being easy that the absorber 4 when wearing sanitary napkin 1 at excretory portion counterpart C is inhibited to rise Pleat.

The thickness of the part in addition to multi-layer portion 42 of absorber 4 is preferably 0.3mm or more, especially preferably 0.5mm with On, furthermore it is preferred that being 3mm hereinafter, especially preferably 2.5mm or less.More specifically, preferably 0.3mm or more 3mm hereinafter, More preferably 0.5mm or more 2.5mm or less.Using the range, wearer can be moved with improving from can be realized high-absorbable It is preferred for the viewpoint of the tracing ability of work.

In addition, the thickness near the line of demarcation of the part other than the thickness of the multi-layer portion 42 of absorber 4 and the multi-layer portion 42 Difference is preferably 2mm hereinafter, more preferably 1.5mm or less.This be in order to inhibit in excretory portion counterpart B, multi-layer portion 42 with Its peripheral portion there is only the boundary in the region of lower layer's absorber 40 nearby wrinkle.When the thickness difference is larger, shape is being worn When sanitary napkin 1 follows the movement of wearer in state, the gap as caused by thickness difference is filled up, therefore as a result, because of thickness difference It influences and is easy to wrinkle, but by the way that thickness difference is set as above-mentioned value hereinafter, the effect wrinkled in excretory portion counterpart B is inhibited to mention It is high.The measuring method of the thickness of each section in absorber 4 is as described below.

< thickness measuring method >

Absorber 4 is rested on into horizontal place in a manner of there is no wrinkle or bending, measures 5cN/cm²Load under Thickness.When measuring thickness, thickness gauge PEACOCK DIALUPRIGHT GAUGES R5-C (OZAKI is used MFG.CO.LTD. it manufactures).At this point, plate (thickness is set in the determination part distribution between the front end and measuring object of thickness gauge The acrylic resin board of 5mm or so), 5cN/cm is become with load²Mode adjustment plate size.The shape of plate is for circle or just It is rectangular.

In order to form slot in absorber 4, it is by the laminated body partial cutoff of absorbent sheet using well known cutting-off method Can, for example, being able to use following disconnecting device, include on the circumferential surface of roller, in the circumferential direction of roller and axial length direction dispersedly It is formed with the cutting roller of multiple cutting edge extended in the circumferential；With the anvil roller for the sword for accepting the cutting roller.

As water absorbent polymer, such as Sodium Polyacrylate, (acrylic-ethylene alcohol) copolymer, polypropylene can be enumerated Sour sodium crosslinked, (Starch with Acrylic Acid) graft copolymer, (isobutene-maleic anhydride) copolymer and its saponified, poly- day Aspartic acid etc..

As lateral plate 10, a variety of materials used all the time in the technical field, example can be used without special restrictions Such as it is able to use the resin film of liquid impermeability or water-repellancy, the laminated body of resin film and non-woven fabrics.As other materials Such as can enumerate sheet material made of spun-bonded non-woven fabrics, spun-bonded non-woven fabrics (S) and melt spraying non-woven fabrics (M) Composite (such as SM, SMS, SMMS etc.), hot-rolling non-woven fabrics, water-repellancies (hydrophobicity) non-woven fabrics such as hot-wind nonwoven cloth.Especially with the heat of water-repellancy Wind non-woven fabrics, from skin sense of touch is excellent and lateral leakage protection in terms of for be preferred.

More than, based on the preferred embodiment of the present invention, the present invention is described, but the present invention is not by above-mentioned reality The mode of applying limits.For example, the shape of the recessed portion 20 for being formed in positive dough sheet 2 in above embodiment is not limited to above-mentioned shape Shape, such as also can have the shape other than threadiness.Specifically, can enumerate when looking down rectangle, square, diamond shape, Multiple recess portions such as circle, cross (embossing portion) are in the form of being more than the interval configuration of 5mm.At this point, by the maximum in each recess portion Width is as " width of recessed portion ".

In addition, present embodiment is to have tab portion 7 in excretory portion counterpart B, and then have rear alar part 8 in rear part C Structure, however, you can also not with tab portion 7 and/or rear alar part 8.

In addition, excretory portion gap zone S can be made only in excretory portion counterpart B, can also prolong from excretory portion counterpart B Extend to a part of rear part C.In addition, the lamination number of the absorbent sheet in multi-layer portion 42 can replace 4 and use 2 or 3 Piece can also be 5 or more.In addition, the difference of multi-layer portion 42 and the lamination the piece number of the absorbent sheet of part furthermore can also for 1 or 3 or more.In addition, the number of rear slot 45 can be two, 3 or 5 or more, in addition, having slot in central portion 45a Opening and the rear slot in gap formed can also be mixed with without the rear slot in such gap.In addition, rear Slot 45 can also be two straight lines in the shape that the central portion of slot has angle and combines.

In addition, absorbent commodity of the invention other than sanitary napkin, is also possible to panty liner (secretion shield Pad), incontinence protection etc..

About the embodiment of aforementioned present invention, the following contents (absorbent commodity etc.) is further disclosed.

1 > of <

A kind of absorbent commodity, with absorbent main body, and have corresponding to the longitudinal in the front-back direction of wearer and With longitudinal orthogonal transverse direction, which includes: the absorber of liquid retainability；Configure the skin phase in the absorber The positive dough sheet of opposite side；With configuration the absorber non-skin with respect to surface side back sheet, and the absorbent main body include: When wearing and the excretory portion of wearer relative configuration excretory portion counterpart；It configures and is leaning on wearer's than the excretory portion counterpart The front part of the position of veutro；With configuration in the rear part than the excretory portion counterpart by the position of the back side of wearer, the suction In the property received article,

Above-mentioned absorber above-mentioned excretory portion counterpart have be formed with dispersity it is multiple along above-mentioned longitudinal vertical To the excretory portion gap zone of slot,

Above-mentioned positive dough sheet is recessed between the opposite surface side of its skin is with multiple protrusions and positioned at the adjacent protrusion Concave portion,

When overlooking above-mentioned absorbent commodity, longitudinal slot of above-mentioned absorber and the above-mentioned recessed portion of above-mentioned positive dough sheet are handed over Fork,

The width of above-mentioned recessed portion is greater than the width of above-mentioned longitudinal slot.

2 > of <

Such as the absorbent commodity recorded in above-mentioned 1 > of <, wherein in above-mentioned positive dough sheet, the density of above-mentioned recessed portion is high In the density of raised part.

3 > of <

If the absorbent commodity recorded in above-mentioned 1 > of < or 2 > of < is comprising the interval in above-mentioned transverse direction The slot row of multiple above-mentioned longitudinal slots is formed with multirow on above-mentioned longitudinal direction, has between the longitudinally adjacent slot row Interval, and the position of the slot in the longitudinally adjacent slot row is staggered in above-mentioned transverse direction.

4 > of <

The absorbent commodity recorded such as any one of above-mentioned 3 > of < 1 > to <, wherein

Above-mentioned absorber has multi-layer portion in above-mentioned excretory portion counterpart, which is the stacking the piece number ratio of absorbent sheet Part more than part located around it.

5 > of <

The absorbent commodity recorded such as any one of above-mentioned 4 > of < 1 > to <, wherein in the flesh of above-mentioned absorbent main body Skin opposite face is formed with the linear slot that above-mentioned positive dough sheet and above-mentioned absorber are integrally recessed to above-mentioned back sheet side and are formed, on It states linear slot to extend in the position along above-mentioned longitudinal both sides of above-mentioned article along the longitudinal direction, above-mentioned threadiness slot with above-mentioned to indulge The mode intersected to the two in slot and the non-slot portion between the adjacent longitudinal direction slot extends.

6 > of <

The absorbent commodity recorded such as any one of above-mentioned 5 > of < 1 > to <, wherein above-mentioned absorber and it is above-mentioned just Also there is the second chip part, above-mentioned positive dough sheet and above-mentioned second chip part are locally affixed between dough sheet.

7 > of <

Such as the absorbent commodity recorded in above-mentioned 6 > of <, wherein above-mentioned second chip part is that do not have above-mentioned recessed portion With the flat configuration of above-mentioned longitudinal slot.

8 > of <

The absorbent commodity recorded such as any one of above-mentioned 7 > of < 1 > to <, wherein the above-mentioned recess of above-mentioned positive dough sheet Portion forms the linear shape extended in one direction, and the extending direction of above-mentioned recessed portion and above-mentioned longitudinal direction and above-mentioned transverse direction are different It causes.

9 > of <

Such as the absorbent commodity recorded in above-mentioned 8 > of <, wherein above-mentioned recessed portion and above-mentioned slot are with 5 degree or more 90 degree Angle below is intersected.

10 > of <

Such as the absorbent commodity recorded in 9 > of < 8 > or <, wherein above-mentioned recessed portion is formed as the shape of oblique clathrate.

11 > of <

The absorbent commodity recorded such as any one of above-mentioned 10 > of < 1 > to <, wherein above-mentioned absorber is at above-mentioned rear Portion has in the rear slot upwardly extended with above-mentioned crossed longitudinally side, which has in the length direction of slot Centre portion is located at the plan view shape that above-mentioned front part side is leaned on than the position at the both ends of the length direction, at above-mentioned longitudinally spaced interval Ground is formed with multiple rear slots,

When overlooking above-mentioned absorbent commodity, the above-mentioned rear slot of above-mentioned absorber and the above-mentioned recess of above-mentioned positive dough sheet Portion intersects.

12 > of <

The absorbent commodity recorded such as any one of above-mentioned 11 > of < 1 > to <, wherein above-mentioned absorber includes to be formed The main absorber of the shape of the absorber；With overlap in a part of the main absorber and more small-sized than the main absorber auxiliary Help absorber.

13 > of <

Such as the absorbent commodity recorded in above-mentioned 12 > of <, wherein above-mentioned absorber is will to fold to constitute above-mentioned auxiliary suction The resulting construction of 1 absorbent sheet of acceptor is configured between two absorbent sheets for constituting above-mentioned main absorber and the knot of formation Structure.

14 > of <

Such as the absorbent commodity recorded in above-mentioned 12 > of <, wherein be formed as two layers and folding 1 absorbent sheet To constitute above-mentioned main absorber.

15 > of <

Such as the absorbent commodity recorded in above-mentioned 13 > of < or 14 > of <, wherein above-mentioned absorbent sheet is to make to constitute fiber Between combine obtained by construction.

16 > of <

Such as the absorbent commodity recorded in above-mentioned 13 > of < or 14 > of <, wherein above-mentioned absorbent sheet, using in wet shape The adhesive of the adherence force generated in the water absorbent polymer of state, the bonding agent in addition added or adhesive fiber etc., makes to constitute It is combined between fiber or between composition fiber and water absorbent polymer, and is formed as sheet.

17 > of <

The absorbent commodity recorded such as any one of above-mentioned 16 > of < 1 > to <, wherein above-mentioned absorbent commodity has a left side The tab portion of right a pair, the region on the longitudinal direction of the absorbent commodity with the tab portion is above-mentioned excretory portion counterpart.

18 > of <

The absorbent commodity recorded such as any one of above-mentioned 16 > of < 1 > to <, wherein

Above-mentioned absorbent commodity does not have tab portion,

Above-mentioned excretory portion counterpart be with above-mentioned absorbent commodity is folded into individual packaging form when generate in cross The first broken line and second in two broken lines of the absorbent commodity, from longitudinal front end of the absorbent commodity is crossed upwards Identical or narrower than the region region of broken line area encompassed.

19 > of <

The absorbent commodity recorded such as any one of above-mentioned 18 > of < 1 > to <, wherein in above-mentioned excretory portion gap zone The length of above-mentioned longitudinal slot be 10mm or more 35mm or less.

20 > of <

If the absorbent commodity of any one of above-mentioned 19 > of < 1 > to < record is comprising spaced up in above-mentioned cross The slot row of multiple above-mentioned longitudinal slots at interval, is formed with multirow on above-mentioned longitudinal direction,

Be divided between above-mentioned longitudinal slot in same slot row in above-mentioned excretory portion gap zone 3mm or more 20mm with Under.

21 > of <

The absorbent commodity recorded such as any one of above-mentioned 20 > of < 1 > to <, wherein above-mentioned excretory portion gap zone Above-mentioned lateral length be above-mentioned excretory portion counterpart in above-mentioned absorber direction Y length 25% or more 90% with Under.

22 > of <

The absorbent commodity recorded such as any one of above-mentioned 21 > of < 1 > to <, wherein above-mentioned excretory portion gap zone Above-mentioned lateral length is 30mm or more 55mm or less.

23 > of <

The absorbent commodity recorded such as any one of above-mentioned 22 > of < 11 > to <, wherein above-mentioned longitudinally adjacent The distance between the back-end location of the above-mentioned rear slot of front side and the front position of above-mentioned rear slot of rear side are 2mm The above 10mm or less.

24 > of <

The absorbent commodity recorded such as any one of above-mentioned 23 > of < 1 > to <, wherein in the upper of above-mentioned absorbent main body State skin opposite face along above-mentioned longitudinal both sides, when looking down with above-mentioned absorber along above-mentioned longitudinal left and right sides The mode of portion's overlapping, throughout the above-mentioned longitudinal substantially endlong configured with a pair of of lateral plate of above-mentioned absorbent main body,

A pair of above-mentioned lateral plate respectively the first linear closing line for being located at above-mentioned excretory portion counterpart and be located at this first The second linear closing line of above-mentioned longitudinal front-rear position of closing line, is engaged in above-mentioned absorbent main body,

In the position for leaning on above-mentioned lateral inside than above-mentioned first closing line and above-mentioned second closing line, it is formed with by above-mentioned The spatial portion that lateral plate and above-mentioned positive dough sheet mark off.

25 > of <

The absorbent commodity recorded such as any one of above-mentioned 24 > of < 1 > to <, wherein in the upper of above-mentioned absorbent main body It states skin opposite face and is formed with the threadiness that above-mentioned positive dough sheet and above-mentioned absorber are integrally recessed to above-mentioned back sheet side and are formed Slot,

Above-mentioned threadiness slot includes: in above-mentioned excretory portion counterpart in above-mentioned longitudinally extending cannelure；With along above-mentioned cross The first translot and the second translot of above-mentioned front part and above-mentioned rear part are respectively formed to the mode of extension.

26 > of <

Such as the absorbent commodity recorded in above-mentioned 24 > of <, wherein above-mentioned longitudinal direction slot is existed only in be leaned on than above-mentioned lateral plate The position of above-mentioned laterally inboard.

27 > of <

Such as the absorbent commodity recorded in above-mentioned 25 > of <, wherein above-mentioned threadiness slot exists only in more top than above-mentioned lateral plate State the position of laterally inboard.

28 > of <

The absorbent commodity recorded such as any one of above-mentioned 27 > of < 1 > to <, wherein above-mentioned absorbent commodity is physiology Use sanitary napkin.

Industrial availability

According to the present invention, it even if using the positive dough sheet with protrusion and recessed portion, is also not easy to form wrinkle in the positive dough sheet, The reduction of wearing feeling can be effectively prevented.It is not easy to form wrinkle in positive dough sheet and makes it possible to steadily ensure absorbent commodity Absorbent areas in skin opposite face.

Claims (27)

1. a kind of absorbent commodity, with absorbent main body, and have corresponding to the longitudinal in the front-back direction of wearer and with Longitudinal orthogonal transverse direction, which includes: the absorber of liquid retainability；The skin configured in the absorber is opposite The positive dough sheet of surface side；Back sheet with configuration in the opposite surface side of non-skin of the absorber, and the absorbent main body includes: to wear When and wearer excretory portion relative configuration excretory portion counterpart；It configures in the abdomen for depending on wearer than the excretory portion counterpart The front part of the position of side；With configuration in the rear part than the excretory portion counterpart by the position of the back side of wearer, the absorption Property article is characterized in that:

The absorber includes the laminated body of absorbent sheet, and has multi-layer portion, the multi-layer portion in the excretory portion counterpart It is the stacking the piece number of the absorbent sheet part more than part located around it,

The absorber is multiple along longitudinal longitudinal gap with being formed with dispersity in the excretory portion counterpart The excretory portion gap zone of seam,

The longitudinal direction slot is in position the two other than the multi-layer portion and the multi-layer portion of the excretory portion counterpart It is formed in whole thickness direction,

Recessed portion of positive dough sheet between the opposite surface side of its skin is with multiple protrusions and positioned at the adjacent protrusion,

When overlooking the absorbent commodity, longitudinal slot of the absorber intersects with the recessed portion of the positive dough sheet, One longitudinal slot intersects with more than two recessed portions,

The width of the recessed portion is greater than the width of longitudinal slot.

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

In the positive dough sheet, the density of the recessed portion is higher than the density of the protrusion.

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

The slot row of multiple longitudinal slots comprising interval in the cross direction is formed with multirow on the longitudinal direction, There is interval between the longitudinally adjacent slot row, and in the position of the slot of the longitudinally adjacent slot row described It is staggered in transverse direction.

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

The positive dough sheet and the absorber are formed with to the back sheet side one in the skin opposite face of the absorbent main body The linear slot for being recessed to body and being formed, the threadiness slot is in the position along longitudinal both sides of the article along the longitudinal direction Extend, the threadiness slot is with the two with the longitudinal slot and the non-slot portion between the adjacent longitudinal direction slot The mode of intersection extends.

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

The positive dough sheet and the absorber are formed with to the back sheet in the skin opposite face of the absorbent main body Side is integrally recessed and the linear slot that is formed,

The threadiness slot includes: in the excretory portion counterpart in the longitudinally extending cannelure；With to prolong along the transverse direction The mode stretched is respectively formed at the first translot and the second translot of the front part and the rear part.

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

Also there is the second chip part, the positive dough sheet and second chip part office between the absorber and the positive dough sheet Portion is affixed.

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

Second chip part is the flat configuration for not having the recessed portion and longitudinal slot.

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

The recessed portion of the positive dough sheet forms the linear shape extended in one direction, the extending direction of the recessed portion It is inconsistent with the longitudinal direction and the transverse direction.

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

The recessed portion is intersected with the slot with 5 degree or more 90 degree of angles below.

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

The recessed portion is formed as the shape of oblique clathrate.

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

The absorber includes the main absorber for the shape to form the absorber；With overlap in one of the main absorber Point and the additional absorbents more small-sized than the main absorber.

12. absorbent commodity as claimed in claim 11, it is characterised in that:

The absorber is will to fold to constitute the resulting constructions of a piece of absorbent sheet of the additional absorbents and be configured at and constitute institute State the structure formed between the two panels absorbent sheet of main absorber.

13. absorbent commodity as claimed in claim 11, it is characterised in that:

Be formed as two layers and folding a piece of absorbent sheet to constitute the main absorber.

14. absorbent commodity as described in claim 12 or 13, it is characterised in that:

The absorbent sheet is construction obtained by combining between making composition fiber.

15. absorbent commodity as described in claim 12 or 13, it is characterised in that:

The absorbent sheet utilizes the adherence force generated in the water absorbent polymer of moisture state or the bonding in addition added Agent or adhesive fiber, make to constitute between fiber or constitute and combine between fiber and water absorbent polymer, and are formed as sheet.

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

The absorbent commodity has the tab portion of pair of right and left, with the area of the tab portion on the longitudinal direction of the absorbent commodity Domain is the excretory portion counterpart.

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

The absorbent commodity does not have tab portion,

The excretory portion counterpart be with the absorbent commodity is folded into individual packaging form when generate horizontally Cross the first broken line and the second broken line in two broken lines of the absorbent commodity, from longitudinal front end of the absorbent commodity Identical or narrower than the region region of area encompassed.

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

The length of longitudinal slot in the excretory portion gap zone is 10mm or more 35mm or less.

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

The slot row of multiple longitudinal slots comprising interval in the cross direction is formed with multirow on the longitudinal direction,

3mm or more 20mm or less is divided between longitudinal slot in same slot row in the excretory portion gap zone.

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

The lateral length of the excretory portion gap zone is the cross of the absorber in the excretory portion counterpart To length 25% or more 90% or less.

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

The lateral length of the excretory portion gap zone is 30mm or more 55mm or less.

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

The absorbent main body the skin opposite face along longitudinal both sides, with when looking down with the absorption The mode along longitudinal left and right sides portion overlapping of body, throughout the absorbent main body it is described it is longitudinal substantially endlong Configured with a pair of of lateral plate,

A pair of lateral plate in the first linear closing line for being located at the excretory portion counterpart and is located at first engagement respectively The second linear closing line of longitudinal front-rear position of line, is engaged in the absorbent main body,

In the position for leaning on the lateral inside than first closing line and second closing line, it is formed with by the lateral plate The spatial portion marked off with the positive dough sheet.

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

The longitudinal direction slot exists only in the position that the laterally inboard is leaned on than the lateral plate.

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

The absorbent main body the skin opposite face along longitudinal both sides, with when looking down with the absorption The mode along longitudinal left and right sides portion overlapping of body, throughout the absorbent main body it is described it is longitudinal substantially endlong Configured with a pair of of lateral plate,

The threadiness slot exists only in the position that the laterally inboard is leaned on than the lateral plate.

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

The absorber has in the rear part in the rear slot upwardly extended with the crossed longitudinally side, the rear gap Sewer has the central part of the length direction of slot in position the bowing by the front part side at the both ends than the length direction Depending on shape, it is described it is longitudinally spaced alternately formed multiple rear slots,

When overlooking the absorbent commodity, the rear slot of the absorber and the recessed portion of the positive dough sheet are handed over Fork.

26. absorbent commodity as claimed in claim 25, it is characterised in that:

In the rear slot of the back-end location and rear side of the rear slot of the longitudinally adjacent front side The distance between front position is 2mm or more 10mm or less.

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

The absorbent commodity is sanitary napkin.