CN104349759B

CN104349759B - Absorbent commodity

Info

Publication number: CN104349759B
Application number: CN201380028281.5A
Authority: CN
Inventors: 柳原茂人; 富田美奈; 铃木彦行; 佐藤信也
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2012-06-11
Filing date: 2013-05-31
Publication date: 2017-12-26
Anticipated expiration: 2033-05-31
Also published as: CN104349759A; BR112014027238A2; JP6099239B2; TW201402097A; TWI566758B; RU2014152702A; WO2013187260A1; BR112014027238B1; RU2631646C2; JP2013255557A

Abstract

Diaper (1) as embodiments of the present invention includes the absorber (4) of face sheet (2), back-sheet (3) and the lengthwise being configured between two sheet materials (2,3).Absorber (4) has absorbent core (41).Absorbent core (41) has boxed area (411), and the boxed area (411) includes：The pod (44Y) extended along longitudinal direction (Y-direction)；The translot (44X) extended along transverse direction (X-direction)；Be configured at the position that is marked off by pod (44Y) and translot (44X) and compared with each position of pod (44Y) and translot (44X) the higher multiple lengthwises of grammes per square metre high grammes per square metre portion (43).The high grammes per square metre portion (43) of absorbent core (41) and the low grammes per square metre portion (44) that the position by being located at pod (44Y) and translot (44X) respectively is formed are integrally formed, pod (44Y) is identical with the thickness of translot (44X), or the thickness of thin of the thickness ratio pod (44Y) of translot (44X), and when overlooking, the width for being formed as translot (44X) is more than the width of pod (44Y).

Description

Absorbent commodity

Technical field

The present invention relates to a kind of absorbent commodities such as disposable diaper.

Background technology

All the time, it is known to a kind of to use the bulk absorbers being provided with the channel-shaped space that in-plane is extended The absorbent commodity (with reference to patent document 1) of (absorbent core).Described absorbent commodity has following inhale in patent document 1 Acceptor (absorbent core)：Be provided with polymeric absorbent body containing ratio is higher and the containing ratio of hydrophilic fibre is relatively low One region；The containing ratio of polymeric absorbent body is relatively low compared with first area and the containing ratio of fibrous material is higher Two regions；Certainly the second area for being arranged at outer surface sheet side is through to and is arranged in the first area of inner surface sheet material side Space.Described absorbent commodity is due to such a absorber in patent document 1, therefore exists and can effectively prevent colloid The situation of caking.

As other technology, the applicant be previously proposed on substrate sheet material configure overlook when be broken it is a plurality of Small absorption portion and the absorbent commodity (with reference to patent document 2) for forming absorber (absorbent core).Recorded in patent document 2 vertical The mutual interval in the adjacent small absorption portion content different from the mutual interval in small absorption portion adjacent on transverse direction on direction.

Prior art literature

Patent document

Patent document 1：Japan Patent 2009-119154 publications

Patent document 2：Japan Patent 2011-136034 publications

The content of the invention

However, the width in space and the width in the space extended along transverse direction in patent document 1 for extending along longitudinal direction The relation of degree has no any correlation and recorded, and described absorbent commodity can not effectively utilize the suction of absorber in patent document 1 Collecting amount.

In addition, in the absorber (absorbent core) of absorbent commodity described in patent document 2, due to substrate sheet material and A plurality of small absorption portion unshapeds are integrated, but are individually separated, therefore in distress so that the situation that body fluid successfully shifts, specially In sharp document 2 there is room for improvement in described absorbent commodity in effective use aspects of the absorptive capacity of absorber.

Therefore, problem of the invention, which is to provide, a kind of can be such that body fluid efficiently expands in the wider range of absorber Dissipate and can efficiently utilize the absorbent commodity of absorptive capacity.

The present invention relates to a kind of absorbent commodity, and it has configuration in the skin face sheet of surface side, configuration relatively non- Skin with respect to surface side back-sheet and configure the absorber of lengthwise between the two sheet materials.Above-mentioned absorber, which has, to be contained The absorbent core of absorbing polymeric, above-mentioned absorbent core have boxed area, and the boxed area includes：Along the vertical of absorbent commodity The pod of direction extension；The translot extended along the transverse direction of absorbent commodity；With in the portion marked off by the pod and the translot High grammes per square metre portion of the grammes per square metre than the pod He the high multiple lengthwises in each position of the translot in position.The above-mentioned height of above-mentioned absorbent core Grammes per square metre portion and the low grammes per square metre portion that the position by being located at above-mentioned translot and above-mentioned pod respectively is formed are integrally formed.The thickness of above-mentioned pod Degree is identical with the thickness of above-mentioned translot, or the thickness of thin of the thickness ratio of the translot pod, during vertical view, the width ratio of the translot The width of the pod is wide.

Brief description of the drawings

Fig. 1 is the stereogram of the disposable diaper of the deploying type of embodiments of the present invention.

Fig. 2 is that the part that the disposable diaper shown in Fig. 1 is observed from face sheet side blocks top view.

Fig. 3 is Fig. 2 I-I line profiles.

Fig. 4 is the stereogram of face sheet possessed by disposable diaper shown in Fig. 1.

Fig. 5 is the top view that absorbent core possessed by disposable diaper shown in Fig. 1 is observed from back-sheet side.

Fig. 6 is the close-up top view of the absorbent core shown in Fig. 5.

Fig. 7 is that the manufacture for the absorber for representing to use in the disposable diaper of the deploying type of embodiments of the present invention fills The skeleton diagram of one put.

Fig. 8 is the constructed profile in the width direction of a part (recess) for the periphery surface side of the rotating cylinder shown in Fig. 7.

Fig. 9 is to represent that the recess accumulation in the rotating cylinder shown in Fig. 7 has the constructed profile of the state of absorbent material.

Body fluid when Figure 10 is for illustrating that wearer is drained during the wearing of the disposable diaper shown in Fig. 1 The explanation figure of diffusion to absorbent core.

Figure 11 is the stereogram of the face sheet used in the disposable diaper of another embodiment of the present invention.

Figure 12 is that the absorbability used in the disposable diaper of another embodiment of the present invention is observed from back-sheet side The top view of core.

Figure 13 is that the absorbability used in the disposable diaper of another embodiment of the present invention is observed from back-sheet side The top view of core.

Figure 14 is that the absorbability used in the disposable diaper of another embodiment of the present invention is observed from back-sheet side The top view of core.

Figure 15 is that the absorbability used in the disposable diaper of another embodiment of the present invention is observed from back-sheet side The top view of core.

Embodiment

Hereinafter, based on preferred embodiment, 1~Fig. 6 of reference picture illustrates the absorbent commodity of the present invention.Fig. 1 represents this The stereogram of the disposable diaper of the deploying type of the embodiment of invention, Fig. 2 represent to observe one shown in Fig. 1 from face sheet side The part of secondary property diaper blocks top view, and Fig. 3 represents Fig. 2 I-I line profiles.In addition, Fig. 4 represents disposable shown in Fig. 1 The stereogram of face sheet possessed by diaper, Fig. 5 represent the vertical view of absorbent core possessed by disposable diaper shown in Fig. 1 Figure, Fig. 6 represent the close-up top view of the absorbent core shown in Fig. 5.

As shown in Figure 1 and Figure 2, the disposable diaper 1 (hereinafter also referred to " diaper 1 ") of present embodiment includes being configured at flesh Skin with respect to surface side face sheet 2, be configured at non-skin with respect to surface side back-sheet 3 and be configured between two sheet material 2,3 The absorber 4 of lengthwise.As shown in Fig. 2 diaper 1 is formed as symmetrical on the center line CL that extends along longitudinal direction.

The diaper 1 of present embodiment is described in detail, as shown in Fig. 2 diaper 1 has diaper 1 in expansion shape Along longitudinal direction (hereinafter also referred to " Y-direction ", Y-direction under state：Refer to the direction parallel to center line CL) veutro that forms of 3 deciles Portion A, drosal part B and the crotch C between A, the B.Veutro portion A be when dressing diaper positioned at wearer veutro position, Drosal part B is the position of the dorsal part positioned at wearer, and crotch C is the position of the in-leg positioned at wearer.Crotch C is located at diaper 1 Longitudinal direction (Y-direction) central portion.In addition, the transverse direction that the direction orthogonal with longitudinal direction (Y-direction) is set to diaper 1 is (following Also referred to as " X-direction ") illustrate.

In this specification, so-called " skin opposite face " refers to the both sides for forming each parts such as the face sheet 2 of diaper 1 In, wearing when be configured at wearer skin side face, so-called " non-skin opposite face " refers to each part such as face sheet 2 It is in both sides, wearing when towards the skin side of wearer opposite side face.

In diaper 1, as shown in Fig. 2 veutro portion A left and right sides edge and drosal part B left and right sides edge are respectively than crotch C Left and right sides edge more to transverse direction (X-direction) foreign side stretch out.Moreover, crotch C left and right sides edge is into transverse direction (X-direction) Side bends to arc-shaped, overall that there is longitudinal direction (Y-direction) central portion inwardly just to receive thin shape.Face sheet 2 and back sheet Material 3 distinguishes the left and right sides edge of self-priming acceptor 4 and rear and front end edge stretches out outward.As shown in figure 3, the horizontal stroke side of face sheet 2 It is less than the size of the transverse direction (X-direction) of back-sheet 3 to the size of (X-direction).Face sheet 2 and back-sheet 3 exist respectively The extension stretched out outward from the periphery of absorber 4 directly engagement is bonded with each other across other parts, to clamp, fixes and inhales Acceptor 4.On the bonding agent of fixed absorber 4, described in detail below.

As shown in Figure 1 and Figure 2, diaper 1 is the diaper of so-called deploying type, and drosal part B left and right sides edge is provided with one To pull stap 7,7, in veutro portion A outer surface (non-skin opposite face) be provided with fix the pull stap 7,7 take band (landing tape)8.As shown in Fig. 2 in each of the both sides along longitudinal direction (Y-direction) of diaper 1, have to stretch shape The three-dimensional gauffer formation sheet material 62 that state is fixed on the elastomeric element 61 of Y-direction configures and is fixed on the sidepiece of face sheet 2, by This forms a pair of three-dimensional gauffers 6,6 (reference picture 1, Fig. 3).In addition, as shown in Fig. 2 in diaper 1 along longitudinal direction (Y-direction) Both sides it is each, multiple leg elastic members 63 of leg creases formation are configured at Y-direction with extended state, utilize leg The contraction of elastomeric element 63 and form leg creases.In addition, in longitudinal direction (Y-direction) end of the drosal part B sides of diaper 1, waist The waist elastic members 64 of portion's gauffer formation are configured at X-direction with extended state, using the contraction of waist elastic members 64 Form waist gauffer.

As shown in Figure 2 to 4, in diaper 1, face sheet 2 has multiple convex portions 21 with respect to surface side protrusion to skin With the recess 22 abutted with convex portion 21, the skin of face sheet 2 turns into sag and swell, the non-skin of face sheet 2 with respect to surface side It is flat with respect to surface side.As shown in figure 4, the face sheet 2 of diaper 1 includes the first layer 23 and the second layer 24 of tablet.First layer 23 form the skin opposite face of face sheet 2, and the second layer 24 forms the non-skin opposite face of face sheet 2.As shown in figure 4, the It is prominent and internal as empty multiple convex portions 21 to form oriented skin opposite face side for one layer 23, and is formed between convex portion 21 There is recess 22.In addition, the second layer 24 turns into plane.In addition, in recess 22, first layer 23 and the second layer 24 are via junction surface 25 And engage.Junction surface 25 be present and positioned at the disengaged portion of the outer peripheral edge at junction surface 25 in recess 22.

In the face sheet 2 of diaper 1, as shown in figure 4, convex portion 21 is surrounded by the recess 22 for having junction surface 25 at 4, and Its bottom surface is rectangle when overlooking.In addition, convex portion 21 is integrally formed into the cambered flat cuboid of crestal line band or butt four Pyramid.On the other hand, recess 22 also turns into rectangle when overlooking.In addition, in the face sheet 2 of diaper 1, convex portion 21 be by Junction surface 25 (recess 22) surrounds at 4, but can also be surrounded by the junction surface 25 (recess 22) more than 4.

In the face sheet 2 of diaper 1, as shown in figure 4, convex portion 21 and recess 22 are formed as what is be alternately arranged along Y-direction Row, the row are configured with multiple row in X direction.At any one convex portion 21 in being conceived to an above-mentioned row, X side is being listed in this Upwards in the row of adjacent left and right, convex portion 21 is not present in the position adjacent with a convex portion 21.Specifically, in X-direction In upper adjacent 2 row, junction surface 25 (recess 22) respectively staggers half spacing and configured in the Y direction.Therefore, in a row are conceived to Any one junction surface 25 (recess 22) when, a junction surface 25 (recess 22) turns into its front and rear and left and right and wrapped by convex portion 21 The recess for the closure enclosed and formed.That is, when overlooking face sheet 2 from the side of first layer 23, junction surface 25 (recess 22) is configured to Staggeredly lattice-shaped, convex portion 21 are also arranged to staggeredly lattice-shaped.

From the viewpoint of reducing contact pressure with body, making wearing feeling good, the height h (reference picture 4) of convex portion 21 is More than 0.5mm, preferably more than 1mm, and be below 5mm, preferably below 4mm, more specifically, preferably more than 0.5mm Below 5mm, more preferably more than 1mm below 4mm.In addition, it is 2mm along the bottom size L1 (reference picture 4) of the convex portion 21 of Y-direction More than, and be below 30mm, preferably below 5mm, more specifically, preferably more than 2mm below 30mm, more preferably 2mm Below above 5mm.In addition, bottom size L2 (reference picture 4) in X direction is more than 2mm, and it is below 30mm, preferably 5mm Hereinafter, more specifically, preferably more than 2mm below 30mm, and then preferably more than 2mm below 5mm.In addition, convex portion 21 Floor space is 4mm²More than, and be 900mm²Hereinafter, preferably 25mm²Hereinafter, more specifically, preferably 4mm²Above 900mm² Hereinafter, more preferably 4mm²Above 25mm²Below.

And buffering good from skin sense of touch feel high in terms of for, the preferred length in X direction at the junction surface 25 of recess 22 Degree L3 (reference picture 4) be more than 0.1mm, preferably more than 0.5mm, and is below 20mm, preferably below 5mm, more specifically and Speech, is more than 0.1mm below 20mm, particularly preferably more than 0.5mm below 5mm.In addition, the length along Y-direction at junction surface 25 Degree is identical with length L3.

First layer 23 and the second layer 24 include identical or different tablet.The tablet is essentially non-telescoping property.Make For the material of sheet material, as long as it is essentially the material of non-telescoping property in the existing known material for diaper, it is possible to nothing Especially limitation ground uses.Such as it can enumerate by the non-woven fabrics manufactured by carding method, spun-bonded non-woven fabrics, melt spraying non-woven fabrics, water The various non-woven fabrics such as prick nonwoven cloth and needle punched non-woven fabrics.It is further possible to can permeate using shedding mechanism is utilized Film of body etc..In the case where using non-woven fabrics as sheet material thing, from intensity, the lifting skin sense of touch for ensuring face sheet 2 Etc. for, it is more than 1dtex, preferably more than 1.5dtex that preferably it, which forms the fiber number of fiber, and is below 20dtex, Preferably below 5.6dtex, it is more than 1dtex below 20dtex, particularly preferably more than 1.5dtex more specifically It is 5.6dtex following.

The grammes per square metre (mass area ratio) of first layer 23 is 10g/m²More than, preferably 15g/m²More than, and be 100g/m² Hereinafter, preferably 30g/m²Hereinafter, more specifically, preferably 10g/m²Above 100g/m²Hereinafter, more preferably 15g/m²With Upper 30g/m²Below.On the other hand, the grammes per square metre of the second layer 24 is 5g/m²More than, preferably 10g/m²More than, and be 50g/m²With Under, preferably 30g/m²Hereinafter, more specifically, preferably 5g/m²Above 50g/m²Hereinafter, more preferably 10g/m²More than 30g/m²Below.The overall grammes per square metre of face sheet 2 including first layer 23 and the second layer 24 is 15g/m²More than, it is preferably 20g/m²More than, and be 150g/m²Hereinafter, preferably 60g/m²Hereinafter, more specifically, preferably 15g/m²Above 150g/m² Hereinafter, more preferably 20g/m²Above 60g/m²Below.

Preferable manufacture method with face sheet 2 constructed above is the Japan to be filed an application before the applicant Have in JP 2004-174234 publications, Japanese Unexamined Patent Publication 2005-111908 publications described.

As shown in Figure 2 and Figure 3, absorber 4 has the absorbent core 41 comprising absorbing polymeric, in diaper 1, it may have Coat the coating member 42 of absorbent core 41.In diaper 1, bag of the absorber 4 by the use of the hydrophilic sheet as liquid permeability Part 42 is covered to be coated on the absorbent core 41 of liquid retainability longer on longitudinal direction (Y-direction) and formed.

As shown in Fig. 2, Fig. 5, absorbent core 41 has boxed area 411, and the boxed area 411 includes：Along longitudinal direction (Y Direction) extension pod 44Y；The translot 44X extended along transverse direction (X-direction)；Drawn with being configured at by pod 44Y and translot 44X The position that separates and compared with groove 44Y and each positions of translot 44X the higher multiple lengthwises of grammes per square metre high grammes per square metre portion 43.In addition, Hereinafter, due to pod 44Y and translot 44X be the position being located therein absorbent core 41 compared with high grammes per square metre portion 43 grammes per square metre it is relative Relatively low part, therefore be also referred to as groove 44Y and each positions of translot 44X " low grammes per square metre portion 44 (translot 44X, pod 44Y) ". Absorbent core is described in detail, as shown in figure 3, in diaper 1, absorbent core 41 has：Grammes per square metre it is of a relatively high and to The high grammes per square metre portion 43 of the side of back-sheet 3 protrusion；With abutted with high grammes per square metre portion 43 and grammes per square metre is relatively low and to the side of face sheet 2 The low grammes per square metre portion 44 (translot 44X, pod 44Y) of depression.The high grammes per square metre portion 43 of absorbent core 41 and low grammes per square metre portion 44 (translot 44X, Pod 44Y) it is integrally formed.As shown in figure 3, in the absorbent core 41 of diaper 1, absorbent core 41 non-skin with respect to surface side, It is lateral just formed with the protrusion (high grammes per square metre portion 43) from the lateral side of back-sheet 3 protuberance of face sheet 2, and from back-sheet 3 The depressed part (low grammes per square metre portion 44 (translot 44X, pod 44Y)) of the side of facesheet 2 depression.Moreover, the skin of absorbent core 41 is relative Surface side is flat.Hereinafter, absorbent core is described in more detail.

As shown in Fig. 2, Fig. 5, the low grammes per square metre portion 44 of the absorbent core 41 in diaper 1 includes：Positioned in transverse direction (X-direction) Multiple translot 44X of the wire (continuous linear shape) of upper extension position；With positioned at the wire extended on longitudinal direction (Y-direction) Multiple pod 44Y of (continuous linear shape) position.The boxed area 411 of absorbent core 41 included by diaper 1 is to utilize edge The translot 44X of the wire of transverse direction (X-direction) extension and the pod 44Y of the wire extended along longitudinal direction (Y-direction) are integrally formed For lattice-shaped, and at the position (position of grid hole) marked off by linear translot 44X and the pod 44Y, it is respectively configured The longer high grammes per square metre portion 43 on longitudinal direction (Y-direction) and formed.

As shown in Fig. 2, Fig. 3, Fig. 5, absorbent core 41 has boxed area 411, and the boxed area 411 includes being configured to grid Translot 44X, the pod 44Y of trellis and it is configured at by the high grammes per square metre portion 43 at translot 44X, pod the 44Y position marked off, in diaper In 1, also there is the non-boxed area 412 configured throughout the periphery of boxed area 411.As shown in figure 5, in absorbent core 41, abdomen Sidepiece A overall width W_AWith drosal part B overall width W_BIt is identical, the width W of veutro portion A boxed area 411_A1With dorsal part The width W of portion B boxed area 411_B1It is identical.That is, as shown in Fig. 2, Fig. 5, boxed area 411 is formed as in longitudinal direction (Y side To) on longer rectangular shape, and the veutro portion A of boxed area 411 width W_A1With drosal part B width W_B1It is identical.Such as figure 2nd, shown in Fig. 5, the non-boxed area 412 configured throughout the periphery of boxed area 411 is with overall width W_AWith overall width W_BPhase With mode, make veutro portion A both side edges and drosal part B both side edges respectively the both side edges than crotch C more to transverse direction (X side To) foreign side is stretched out with equal length, and is integrally formed into inside close to veutro portion A part from longitudinal direction (Y-direction) central portion Thin shape is received by side, is more than veutro portion A entire area so as to drosal part B entire area.Non- boxed area 412 and high grammes per square metre Similarly, absorbent material is more than low grammes per square metre portion 44 in portion 43.

The boxed area 411 of absorbent core 41 is more specifically illustrated, in diaper 1, as shown in figure 5, by translot The high grammes per square metre portion 43 that 44X, pod 44Y are marked off regularly is configured with 5 block structures formed on transverse direction (X-direction) Make, formed from veutro portion A up to drosal part B regularly configures 14 rows on longitudinal direction (Y-direction).As shown in figure 5, in diaper In 1 boxed area 411,6 pod 44Y along longitudinal direction (Y-direction) extension are respectively from veutro portion A up to drosal part B is configured Be in line shape.

As described above, as shown in figure 3, the high grammes per square metre portion 43 of absorbent core 41 and low grammes per square metre portion 44 (translot 44X, pod It is 44Y) integrally formed, in diaper 1, non-boxed area 412 also with high grammes per square metre portion 43 and low grammes per square metre portion 44 (translot 44X, pod It is 44Y) integrally formed.Herein, so-called " integrally formed " refer to high grammes per square metre portion 43, low grammes per square metre portion 44 (translot 44X, pod 44Y) and Non- boxed area 412 is not via the engagement means such as bonding agent or heat fusion inseparable ground integrated each other, and by identical material Material formation is integrated.Like this, when high grammes per square metre portion 43, low grammes per square metre portion 44 (translot 44X, pod 44Y) and non-boxed area 412 1 When body shapes, there is the continuity that body fluid can be moved successfully.The manufacture method of such a absorber 4 is said below It is bright.

In diaper 1, as shown in figure 3, absorbent core 41 is most leaning on non-skin with respect to the position of surface side formed with paper pulp list The layer 410 of body.Specifically illustrate, form boxed area 411 high grammes per square metre portion 43 support or oppose the side of facesheet 3 protrusion, non-bulk Region 412 also support or oppose the side of facesheet 3 protrusion.In addition, in diaper 1, as shown in figure 3, forming the low grammes per square metre portion of boxed area 411 44 (pod 44Y) are recessed to the side of face sheet 2.Like this, as shown in figure 3, the absorbent core 41 of diaper 1, in the thickness of diaper 1 On the T of direction, in non-skin with respect to surface side formed with protrusion (the high grammes per square metre portion swelled from the lateral side of back-sheet 3 of face sheet 2 43) depressed part (low grammes per square metre portion 44 (translot 44X, pod 44Y)) and from the lateral side of face sheet 2 of back-sheet 3 being recessed, is most leaned on Layer of the non-skin with respect to the position of surface side, i.e., high grammes per square metre portion 43 and 412 respective top section of non-boxed area by paper pulp monomer 410 form.

In addition, to absorbent core 41 the side of face sheet 2 be recessed depressed part (groove) mainly by the low (translot of grammes per square metre portion 44 44X, pod 44Y) formed, the protrusion swelled to the side of back-sheet 3 of absorbent core 41 is mainly by high grammes per square metre portion 43 and non-piece Shape region 412 is formed.Herein, so-called " depressed part is mainly formed by low grammes per square metre portion 44 " includes for example low grammes per square metre portion 44 and high grammes per square metre High grammes per square metre portion 43 near the border in portion 43 forms the situation of a part for the recess, and similarly, " protrusion is mainly by high grammes per square metre Portion 43 and non-boxed area 412 are formed " include for example high grammes per square metre portion 43 and the low grammes per square metre portion 44 near the border in low grammes per square metre portion 44 Form the situation of a part for protrusion.

In addition, as shown in figure 3, in the absorbent core 41 of diaper 1, thickness direction T upward bias of the low grammes per square metre portion 44 in diaper 1 In the side of face sheet 2 (skin of absorber 4 is with respect to surface side).As shown in figure 3, the side of face sheet 2 of absorbent core 41 is flat.

As shown in Figure 5, Figure 6, the absorbent core 41 of the absorber 4 included by absorbent commodity of the invention has following special Sign：It is configured at and is respectively formed as by multiple high grammes per square metre portions 43 at pod 44Y and translot the 44X position marked off in longitudinal direction (Y side To) on it is longer, pod 44Y is identical with translot 44X thickness or translot 44X is thinner than pod 44Y, and overlook when, translot 44X's Width is more than pod 44Y width.In addition, from the viewpoint of liquid absorption and liquid diffusion, preferably pod 44Y and translot 44X thickness is identical, or translot 44X thickness ratio pod 44Y thin.

For absorbent core 41 when in for disposable diaper, the total length of preferably longitudinal direction (Y-direction) is more than 250mm Below 550mm, the beam overall of transverse direction (X-direction) is more than 50mm below 200mm.

The length of the longitudinal direction (Y-direction) of boxed area 411 is more than the 70% of the total length of the Y-direction of absorbent core 41, Preferably more than 85% length, and be less than 98%, preferably less than 95% length, more specifically, preferably 70% Length of the above below 98%, more preferably less than more than 85% 95% length.

The length of the transverse direction (X-direction) of boxed area 411 is more than the 30% of the beam overall of the X-direction of absorbent core 41, Preferably more than 50% length, and be less than 90%, preferably less than 70% length, more specifically, preferably 30% Length of the above below 90%, more preferably less than more than 50% 70% length.

For boxed area 411 when in for disposable diaper, the total length of preferably longitudinal direction (Y-direction) is more than 100mm Below 540mm, the beam overall of transverse direction (X-direction) is more than 20mm below 140mm.

For non-boxed area 412 when in for disposable diaper, the both ends of preferably longitudinal direction (Y-direction) are respective vertical The length in direction (Y-direction) is more than 10mm below 150mm.

Non- boxed area 412 is when in for disposable diaper, along the respective transverse direction in both sides of longitudinal direction (Y-direction) The length of (X-direction) is preferably more than 10mm below 40mm in veutro portion A, is preferably more than 10mm below 30mm in crotch C, Drosal part B is preferably more than 10mm below 40mm.

To forming the high grammes per square metre portion 43 of boxed area 411 and size, the grammes per square metre of low grammes per square metre portion 44 (translot 44X, pod 44Y) Deng being described in more detail.

In diaper 1, as shown in Fig. 2 high grammes per square metre portion 43 is formed as square longer on longitudinal direction (Y-direction) when overlooking Shape shape.In addition, in diaper 1, when overlooking high grammes per square metre portion 43, it is formed as rectangular shape, but corner is alternatively arc-shaped, It can be polygon-shaped, oval, combinations thereof etc..

The high grammes per square metre portion 43 of diaper 1, when absorbent commodity is used in such as disposable diaper, as shown in fig. 6, its vertical side It is more than 5mm, preferably more than 15mm to the length L4 of (Y-direction), and is below 30mm, preferably below 25mm, more specifically For, preferably more than 5mm below 30mm, more preferably more than 15mm below 25mm.In addition, the length of its transverse direction (X-direction) Degree L5 is more than 3mm, preferably more than 5mm, and is below 20mm, preferably below 15mm, more specifically, preferably 3mm Below above 20mm, and then preferably more than 5mm below 15mm.

As shown in fig. 6, it is more than along the translot 44X of the wire of transverse direction (X-direction) extension width L6 along longitudinal direction (Y side To) extension wire pod 44Y width L7, width L6/ width L7 be more than 110%, preferably more than 120% width Degree, and be less than 500%, preferably less than 300% width, more specifically, preferably less than more than 110% 500% The width of width, more preferably less than more than 120% 300%.

Width L6 along the translot 44X of the wire of transverse direction (X-direction) extension is the longitudinal direction (Y-direction) in high grammes per square metre portion 43 Length (L4) more than 2%, preferably more than 5% length, and for less than 25%, preferably less than 20% length, more Specifically, the length of preferably less than more than 2% 25% length, more preferably less than more than 5% 20%.

Width L7 along the pod 44Y of the wire of longitudinal direction (Y-direction) extension is transverse direction (the X side in high grammes per square metre portion 43 To) length L5 more than 2%, preferably more than 10% length, and for less than 30%, preferably less than 25% length, More specifically, the length of preferably less than more than 2% 30% length, more preferably less than more than 10% 25%.

Along the translot 44X of the wire of transverse direction (X-direction) extension width L6, it is used in absorbent commodity for example disposable It is more than 0.5mm, preferably more than 1mm during diaper, and is below 5mm, preferably below 3mm, more specifically, is preferably More than 0.5mm below 5mm, more preferably more than 1mm below 3mm.

Along the pod 44Y of the wire of longitudinal direction (Y-direction) extension width L7, it is used in absorbent commodity for example disposable Be more than 0.01mm, preferably more than 0.02mm during diaper, and be below 4.6mm, preferably below 2.8mm, it is more specific and Speech, more preferably preferably more than 0.01mm below 4.6mm, more than 0.02mm below 2.8mm.

In addition, width L4, L5 are the bottoms of the depressed part (low grammes per square metre portion 44 (translot 44X, pod 44Y)) of absorber 4 The measured value of opening position.

Preferably, translot 44X and pod 44Y is formed as that thickness is identical or translot 44X is thinner than pod 44Y, and low grammes per square metre The thickness (thickness of the bottom of low grammes per square metre portion 44 (translot 44X, pod 44Y) point) in portion 44 (translot 44X, pod 44Y) is Gao Ke Less than more than the 30% 90% of the thickness in weight portion 43.Specifically, the thickness of low grammes per square metre portion 44 (translot 44X, pod 44Y) is More than 1.5mm, preferably more than 2.5mm, and be below 4.5mm, preferably below 4.0mm, more specifically, it is preferably More than 1.5mm below 4.5mm, more preferably more than 2.5mm below 4.0mm.The thickness of thickness and translot 44X to pod 44Y Being described in more detail, translot 44X is thinner than pod 44Y, and pod 44Y thickness is more than 1.5mm, preferably more than 2.5mm, And be below 4.5mm, preferably below 4.0mm, more specifically, preferably more than 1.5mm below 4.5mm, it is more preferably More than 2.5mm below 4.0mm.Moreover, translot 44X thickness is more than 1.5mm, preferably more than 2.5mm, and for 4.5mm with Under, preferably below 4.0mm, more specifically, preferably more than 1.5mm below 4.5mm, more preferably more than 2.5mm 4.0mm Below.The thickness in high grammes per square metre portion 43 is more than 2mm, preferably more than 3mm, and is below 8mm, preferably below 7mm, more specifically For, preferably more than 2mm below 8mm, more preferably more than 3mm below 7mm.The thickness of non-boxed area 412 and high grammes per square metre The thickness in portion 43 is identical.

In addition, the thickness in high grammes per square metre portion 43, low grammes per square metre portion 44 (translot 44X, pod 44Y) and non-boxed area 412 be by Sample cuts into given size, measurement site is pressurizeed 10 minutes with 5kPa, and be measured and obtain immediately after except weight 's.Measurement site be for each sample use comprising veutro portion, crotch, drosal part each any 1 at more than 3 at On, obtain thickness using the average value of 2 diaper samples (measurement site be 6 at more than).Such as using sharp razor, along figure Longitudinal direction (Y-direction) or transverse direction (X-direction) cut-out diaper 1 shown in 2, determine the section of the sample after the cut-out.High grammes per square metre The thickness of portion 43 and non-boxed area 412 is the value of the most thick position finding in convex portion, and low grammes per square metre portion 44 (translot 44X, indulges Groove 44Y) thickness be the most thin position finding in the bottom of recess value.It is being difficult to the situation by being visually measured Under, such as microscope (KEYENCE companies manufacture VHX-1000) can also be used, to observe and determine under 20~50 times of multiplying power State the section of the sample after cut-out.

Low grammes per square metre portion 44 (translot 44X, pod 44Y), when absorbent commodity is used in such as disposable diaper, from making body From the viewpoint of liquid efficiently spreads in the wider range of absorber and efficiently utilizes absorptive capacity and pliability, its grammes per square metre For more than the 20% of the grammes per square metre in high grammes per square metre portion 43, preferably more than 30%, and it is less than 80%, preferably less than 70%, more For body, preferably less than more than 20% 80%, more preferably less than more than 30% 70%.

Specifically, the grammes per square metre of low grammes per square metre portion 44 (translot 44X, pod 44Y) is 100g/m²More than, preferably 150g/m² More than, and be 500g/m²Hereinafter, preferably 400g/m²Hereinafter, more specifically, preferably 100g/m²Above 500g/m²With Under, more preferably 150g/m²Above 400g/m²Below.In addition, the grammes per square metre in high grammes per square metre portion 43 is 300g/m²More than, it is preferably 350g/m²More than, and be 900g/m²Hereinafter, preferably 800g/m²Hereinafter, more specifically, preferably 300g/m²More than 900g/m²Hereinafter, and then preferably 350g/m²Above 800g/m²Below.The grammes per square metre of non-boxed area 412 and high grammes per square metre portion 41 Grammes per square metre is identical.

High grammes per square metre portion 43 and low grammes per square metre portion 44 (translot 44X, pod 44Y) grammes per square metre determine as follows.

The assay method ＞ of ＜ grammes per square metres

The assay method of the grammes per square metre in high grammes per square metre portion 43, low grammes per square metre portion 44 (translot 44X, pod 44Y) and non-boxed area 412 As described below.

The single-blade razor manufactured using FEATHER companies, it is (horizontal along the high grammes per square metre portion 43 of absorbent core 41 and low grammes per square metre portion 44 Groove 44X, pod 44Y) boundary line cut off.Respectively using electronic balance (A＆D companies manufacture electronic balance GR-300, Precision：4 after decimal point) measure cut-out gained high grammes per square metre portion 43 10 small pieces, obtain 1 small pieces in high grammes per square metre portion 43 Average weight.By calculated average weight divided by the average area of every 1 small pieces in high grammes per square metre portion 43, high grammes per square metre portion is calculated 43 grammes per square metre.The grammes per square metre of non-boxed area 412 also calculates in a manner of with the grammes per square metre identical in high grammes per square metre portion 43.

Then, along high grammes per square metre portion 43 and the border extended on longitudinal direction (Y-direction) of low grammes per square metre portion 44 (pod 44Y) Line, the design size for the width that according to length be 100mm, width is low grammes per square metre portion 44 (pod 44Y), uses FEATHER companies The single-blade razor of manufacture, cut out 5 small pieces of the low grammes per square metre portion 44 (pod 44Y) of fine strip shape.For 5 small pieces obtained, Respectively using electronic balance (the electronic balance GR-300 that A＆D companies manufacture, precision：4 after decimal point) it is measured, and carry out Averagely obtain the average weight of 1 small pieces of low grammes per square metre portion 44 (pod 44Y).By calculated average weight divided by low grammes per square metre The average area of each small pieces in portion 44 (pod 44Y), and calculate the grammes per square metre of low grammes per square metre portion 44 (pod 44Y).For low gram Weight portion 44 (translot 44X), also calculate grammes per square metre in a manner of with low (pod 44Y) identical of grammes per square metre portion 44.

In the absorber 4 of diaper 1, high grammes per square metre portion 43 and non-boxed area 412 are formed as and the low (translot of grammes per square metre portion 44 44X, pod 44Y) compare roughly the same density or more high density.

When absorbent commodity is used in such as disposable diaper, from liquid diffusion, the bendability of absorber, conformability Viewpoint is set out, and the density of low grammes per square metre portion 44 (translot 44X, pod 44Y) is more than the 50% of the density in high grammes per square metre portion 43, is preferably More than 75%, and be less than 100%, preferably less than 95%, more specifically, preferably less than more than 50% 100%, it is more excellent Elect less than more than 75% 95% as.

Specifically, the density of low grammes per square metre portion 44 (translot 44X, pod 44Y) is 0.05g/cm³More than, it is preferably 0.07g/cm³More than, and be 0.15g/cm³Hereinafter, preferably 0.13g/cm³Hereinafter, more specifically, preferably 0.05g/cm³ Above 0.15g/cm³Hereinafter, more preferably 0.07g/cm³Above 0.13g/cm³Below.In addition, the density in high grammes per square metre portion 43 is 0.05g/cm³More than, preferably 0.07g/cm³More than, and be 0.15g/cm³Hereinafter, preferably 0.13g/cm³Hereinafter, more specifically For, preferably 0.05g/cm³Above 0.15g/cm³Hereinafter, more preferably 0.07g/cm³Above 0.13g/cm³Below.Non- piece The density in shape region 412 is identical with the density in high grammes per square metre portion 43.

The density in high grammes per square metre portion 43, non-boxed area 412 and low grammes per square metre portion 44 (translot 44X, pod 44Y) will be by above-mentioned High grammes per square metre portion 43 that method is obtained, the grammes per square metre of non-boxed area 412 and low grammes per square metre portion 44 divided by obtained by the above method each From thickness and calculate.

In addition, in diaper 1, the low grammes per square metre portion 44 (translot 44X, pod 44Y) of absorbent core 41 and coating member 42 it Between formed with space 9.That is, in absorber 4, formed with the shape of coating member 42 by absorbent core 41 and cladding absorbent core 41 Into space 9.As described above, in diaper 1, as shown in Figure 2 and Figure 3, low grammes per square metre portion 44 (translot 44X, pod 44Y) is on the whole Back-sheet 3 (non-skin opposite face) side of absorbent core 41 is formed at lattice-shaped, Gao Ke is configured with the position of grid hole Weight portion 43, low grammes per square metre portion 44 (translot 44X, pod 44Y) are formed in a manner of surrounding high grammes per square metre portion 43.Therefore, in diaper 1, As shown in Figure 2 and Figure 3, horizontal stroke is corresponded to from multiple space 9X that the translot 44X and coating member 42 that are recessed to the side of face sheet 2 are formed Groove 44X and continuously extend respectively along transverse direction (X-direction), from the pod 44Y and the shape of coating member 42 being recessed to the side of face sheet 2 Into multiple space 9Y correspond to pod 44Y and continuously extend respectively along longitudinal direction (Y-direction).

In disposable diaper 1, as shown in figure 3, being configured with hydrophilic centre between absorber 4 and face sheet 2 Sheet material 5.Specifically, between the coating member 42 of face sheet 2 and composition absorber 4, it is configured with longitudinal direction (Y-direction) The intermediate sheet 5 of longer rectangular shape.Such intermediate sheet 5 is so-called secondary layer of sheet material, and is formed absorber 4 with covering Absorbent core 41 mode, configured from veutro portion A until drosal part B.The grammes per square metre of intermediate sheet 5 (secondary layer of sheet material) is preferably 15g/m²Above 100g/m²Below.As intermediate sheet (secondary layer of sheet material), the sheet material (parent based on hydrophilic fibre can be used The content of aqueous fiber is preferably sheet material more than 90 mass %), as the sheet material, such as paper, non-woven fabrics, screen cloth can be enumerated Deng.

In diaper 1, absorbent core 41 is fixed with coating the coating member 42 of absorbent core 41 via bonding agent, is had solid Fixed absorbent core 41 and the absorber 4 of coating member 42, fixed respectively with face sheet 2 and back-sheet 3 via bonding agent.Especially It is in diaper 1, and the non-skin opposite face 41U of coating member 42 and absorbent core 41 is via non-skin side absorber bonding agent 51U is engaged, and non-skin side absorber bonding agent 51U is on the transverse direction (X-direction) of diaper 1 discontinuously and in longitudinal direction (Y side To) on apply shape in alignment.Specifically, in diaper 1, as shown in figure 3, using 1 coating member 42, by coating member 42 both sides are turned back, and coat the mode that the side edge part of coating member 42 overlaps each other in the side of back-sheet 3 of absorbent core 41 Absorbent core 41.Therefore, in 1 coating member 42, being configured at the position of the skin opposite face 41T sides of absorbent core 41 turns into flesh Skin side cladding parts 421, being configured at the position of the non-skin opposite face 41U sides of absorbent core 41 turns into non-skin side cladding parts 422.In addition, in diaper 1, as described above, skin side cladding parts 421 and non-skin side cladding parts 422 are by 1 coating member 42 form, but can also be formed by 2 coating members being individually separated.The non-skin side cladding of the side of back-sheet 3 in coating member 42 The non-skin opposite face 41U of part 422 and absorbent core 41 is solid via non-skin side absorber bonding agent 51U (reference picture 3 (a)) It is fixed.

In diaper 1, as shown in Fig. 3 (a), non-skin side absorber bonding agent 51U is for example using coating rifle in transverse direction Apply discontinuously and linearly in one on longitudinal direction (Y-direction) in (X-direction), apply with integrally appearing as striated. On transverse direction (X-direction) adjacent non-skin side absorber bonding agent 51U it is mutual be preferably spaced more than 0.5mm 15mm with Under.The grammes per square metre (coating amount) of non-skin side absorber bonding agent 51U coating is 0.5g/m²More than, preferably 1g/m²More than, and For 15g/m²Hereinafter, preferably 10g/m²Hereinafter, more specifically, preferably 0.5g/m²Above 15g/m²Hereinafter, more preferably 1g/m²Above 10g/m²Below.

Then, include to the absorber 4 included by diaper 1, i.e. by high grammes per square metre portion 43 (high density), non-boxed area 412 The absorber 4 of (high density) and low grammes per square metre portion 44 (low-density) (translot 44X, pod 44Y) integrally formed absorbent core 41 Manufacture method illustrates.

Fig. 7 represents an embodiment of the manufacture method of absorber 4 and wherein used manufacture device.Absorber 4 Manufacture device includes：Rotating cylinder 50, it is along arrow R1 direction rotation drivings；Conduit 60, it is using as the raw material of absorbent core 41 The absorbent material 45 comprising absorbing polymeric supply to the outer peripheral face of rotating cylinder 50；Transfer roller 70, it is configured at rotating cylinder The obliquely downward in 50 downstream, and along arrow R2 direction rotation drivings；Vacuum tank 65, it is configured at the circumferencial direction of rotating cylinder 50 On conduit 60 and transfer roller 70 between；The guipure 75 as breathability feature of sheet, its with pass through vacuum tank 65 with rotation Mode between cylinder 50 between transfer roller 70 and rotating cylinder 50 configures；With suction conveyor 80, it is configured at transfer roller 70 Lower section.

As shown in fig. 7, rotating cylinder 50 is formed as cylindric, by the power from motor prime movers, its periphery is formed The part in face rotates around trunnion axis.In the non-rotating part of the inner side of rotating cylinder 50 (rotation shaft side) formed with inside can be subtracted The space 56 of pressure.Exhaust apparatus (not shown) known to drawing fan etc. is connected with space 56, by moving the exhaust apparatus Make, can will be maintained negative pressure in space 56.On the other hand, in the space 57 and 58 of the inner side of rotating cylinder 50 (rotation shaft side), It is connected with the pipe arrangement (not shown) of air that can be outside suction apparatus.

As shown in fig. 7, in the outer peripheral face of rotating cylinder 50, separate in direction r 1 equally spaced formed with multiple shapes with wanting Cylinder recess 51 corresponding to the shape of the absorbent core 41 of manufacture.In the bottom surface sections of each cylinder recess 51, as shown in figure 8, configuration is tangible Into the web plate 52 and metal system or the difficult breathability feature 53 of resin-made for having multiple pores.Herein, difficult breathability feature 53 with Prominent mode is set on web plate 52, and with the shape and position correspondence with above-mentioned low grammes per square metre portion 44 (translot 44X, pod 44Y) Mode configure.That is, the difficult breathability feature 53 corresponding to translot 44X is formed as than the difficult gas permeability portion corresponding to pod 44Y The width of part 53 is bigger.As shown in figure 8, only comprising the web plate 52 divided by the difficult breathability feature 53 configured in the above-described manner Region 54 turns into the part corresponding to high grammes per square metre portion 43, only includes the whole area in periphery of the part divided by difficult breathability feature 53 The region 55 of web plate 52 in domain turns into the part corresponding to non-boxed area 412.In addition, the rotating cylinder of a recess 51 is not formed The part of 50 outer peripheral face is formed by the framework of the rotating cylinder 50 comprising metal rigid body, is non-breathable.

As shown in fig. 7, the side covering of conduit 60 is positioned at the periphery for the rotating cylinder 50 being maintained on the space 56 of negative pressure Face, there is fibrous material gatherer in another side (not shown).Fibrous material gatherer is for example including grinder, the powder Millstone, which crushes the wood pulp of sheet, to be formed as solving fiber paper pulp, and the solution fiber paper pulp (fibrous material) is fed through in conduit, fine Dimension material gatherer is provided with the absorbing polymeric introduction part for importing absorbing polymeric in the midway of conduit 60.

Transfer roller 70 includes the cylindric peripheral part with gas permeability, and by the power from motor prime movers, So that its peripheral part rotates in R2 directions.In the non-rotating part of the inner side of transfer roller 70 (rotation shaft side), formed with can will The space 71 of inner pressure relief.Exhaust apparatus (not shown) known to drawing fan etc. is connected with space 71, by making the exhaust Device action, it can will be maintained negative pressure in space 71.

Vacuum tank 65 is configured at the end of downstream side 601 and transfer roller of conduit 60 on the direction of rotation R1 of rotating cylinder 50 Between 70.Vacuum tank 65 has the shape of box-like, and has at the position relative with rotating cylinder 50 to the direction opening of rotating cylinder 50 Opening portion.Vacuum tank 65 is connected with exhaust apparatus (not shown) known to drawing fan etc. via blast pipe 67, passes through the row The action of device of air, it can will be maintained negative pressure in vacuum tank 65.

Guipure 75 is linked by the gas-permeable strip of the banding with mesh circlewise to be formed, by multiple free rolls and transfer roller 70 guide and are continuously moved on defined path.Guipure 75 is driven by the rotation of transfer roller 70.Guipure 75 is logical During the front of above-mentioned opening portion for crossing vacuum tank 65, contacted with the outer peripheral face of rotating cylinder 50, and in transfer roller 70 and rotation Cylinder 50 is immediate closest near portion, from the outer peripheral face of rotating cylinder 50 leave and to shifting on transfer roller 70.

Suction conveyor 80 includes：The gas-permeable strip 83 of ring-type, it is set up in driven roller 81 and driven voller 82；And vacuum Case 84, it is configured at across the position relative with transfer roller 70 of gas-permeable strip 83.

Then, the method for absorber 4 (absorbent core 41) being continuously manufactured by the manufacture device using above-mentioned absorber is entered Row explanation.

First, the exhaust apparatus in the space 56 and vacuum tank 65 for making to be respectively connecting in rotating cylinder 50 acts and makes rotation Turn into negative pressure in space 56 and vacuum tank 65 in cylinder 50.The reason is that by making to turn into negative pressure in space 56 in this way, The air stream for the outer peripheral face that absorbent material 45 is delivered to rotating cylinder 50 is produced in conduit 60.Then, the He of rotating cylinder 50 is made Transfer roller 70 rotates, in addition, acting suction conveyor 80.Then, act above-mentioned fibrous material gatherer, will solve first In fine paper pulp (fibrous material) supply to conduit 60.Paper pulp (fibrous material) forms with the air stream of the flowing in conduit 60 For the state of dispersing, supplied to the outer peripheral face of rotating cylinder 50.

During the part covered by conduit 60 is conveyed, paper pulp (fibrous material) is sucked up to the cylinder of rotating cylinder 50 Recess 51.As shown in figure 9, paper pulp (fibrous material) gradual builds up each region 54 of a recess 51 and the web plate 52 in region 55 On.The deposit 410a of the paper pulp (fibrous material) obtained in this way turns into the part of the layer 410 corresponding to paper pulp monomer.

Then, should when by being supplied through the fine paper pulp (fibrous material) of solution to conduit 60, and then supplying absorbing polymeric Absorbent material 45 turns into state of dispersing with the air stream of the flowing in conduit 60, is supplied to the outer peripheral face of rotating cylinder 50.

Then, during the part conveying covered by conduit 60, in the cylinder recess 51 of rotating cylinder 50, absorbent material (mixture of fibrous material and absorbing polymeric) 45 is sucked up on deposit 410a.As shown in figure 9, absorbent material 45 by Gradually it is piled up on the deposit 410a of the web plate 52 in each region 54 of cylinder recess 51 and region 55 accumulation.Obtaining in this way In the deposit 46 obtained, absorbent material 45 is piled up in position obtained by difficult breathability feature 53, and (difficult breathability feature 53 is right Answer portion) accumulating amount of 46a absorbent material 45 is relatively fewer, other position (54 corresponding portion of region) 46b and position (region 55 Correspondence portion) 46c absorbent material 45 accumulating amount it is relatively more, there is deposit 46.

Then, when rotating cylinder 50 rotates, and cylinder recess 51 reaches the relative position of vacuum tank 65, the accumulation in cylinder recess 51 Thing 46 is by the suction from vacuum tank 65 and as being adsorbed in the state of guipure 75.Deposit 46 in cylinder recess 51 is with the shape State is transported to the front closest to portion of transfer roller 70 and rotating cylinder 50, at this closest near portion, by from transfer roller The suction of 70 sides, keeps being adsorbed in the state of guipure 75 and is stripped from cylinder recess 51, to transfer roller 70 on shift.

In this way, being transferred to the deposit 46 with sag and swell on transfer roller 70 in the lump with guipure 75, absorption is kept to exist The state of guipure 75 on transfer roller 70, be transported to the junction of suction conveyor 80 (lowest end of transfer roller 70), In the junction, by the suction of vacuum tank 84 and to shifting on suction conveyor 80.

In the manufacture device of the absorber of present embodiment, as shown in fig. 7, comprises the bag of cotton paper, hydrophilic non-woven Cover on the suction conveyor 80 before part 42 is fed to mounting deposit 46, deposit 46 is transferred on coating member 42.Then, enter After one step utilizes coating member 42 to coat deposit 46 using turnover board folding coating member 42 (not shown), cut off at predetermined intervals The deposit 46 of the state coated by coating member 42, it is continuously manufactured by cutting into the absorber precursor of the size of 1 absorber 49。

Then, in the manufacture device of the absorber of present embodiment, compressed using pressing mechanism 90 and obtained in this way Absorber precursor 49, the thickness of the deposit 46 of composition absorber precursor 49 is energetically reduced, so as to obtain target Absorber 4 (absorbent core 41).As shown in fig. 7, pressing mechanism 90 is configured to：A pair of smooth surface including at least one party Roller 91,92, the pressurized thing being directed into roller 91,92 can be pressurizeed from upper and lower surface, be pressed in a thickness direction Contracting.

When compressing deposit 46 using pressing mechanism 90, the relatively more and larger thickness position (area of absorbent material 54 corresponding portion of domain) 46b and position (55 corresponding portion of region) 46c, the less position of and thickness relatively fewer with absorbent material 45 (difficult 53 corresponding portion of breathability feature) 46a is compared, by stronger compression.As a result, manufactured using above-mentioned manufacture device In the absorber 4 (absorbent core 41) gone out, position (54 corresponding portion of the region) 46b (protrusion) of deposit 46 and position (region 55 corresponding portions) 46c turns into the of a relatively high high grammes per square metre portion 43 of the Midst density of absorbent core 41 and non-boxed area 412, deposit 46 Position (difficult 53 corresponding portion of breathability feature) 46a (depressed part) turn into the relatively low low grammes per square metre portion of the Midst density of absorbent core 41 44 (translot 44X, pod 44Y).

The formation material of the disposable diaper 1 of present embodiment is illustrated.

As back-sheet 3, three-dimensional gauffer formation sheet material 62, as long as to be generally useable for the absorption such as disposable diaper Material in property article, can be used with no particular limitation.Such as back-sheet 3, resin film or resin film can be used With the laminated body of non-woven fabrics etc..As three-dimensional gauffer formation sheet material 62, film, non-woven fabrics, the fabric of retractility can be used Or their laminated sheet etc..

, can be without spy as long as being the material being generally useable in the absorbent commodities such as disposable diaper as pull stap 7 Xian Zhi not ground use.Such as can use " Magic Tape (registration mark) " (manufacture of Kuraray (Kuraray) company), (Kanebo Bell Touch are public for " Quicklon (registration mark) " (manufacture of YKK companies), " Magi Cloth (registration mark) " Department's manufacture) etc. in hook surface (sunny side) part etc..

As the absorbent core 41 for forming absorber 4, the particle of absorbing polymeric can be made to be held in paper pulp fiber Deng material obtained by the aggregate of fiber.As the coating member 42 for forming absorber 4, hydrophilic sheet can be used, such as Cored sheet material of non-woven fabrics of thin paper (cotton paper, tissue paper), water penetration including water penetration etc..

As the elastomeric element 61 of three-dimensional gauffer formation, leg elastic members 63 and waist elastic members 64, can make With including natural rubber, polyurethane, polystyrene-polyisoprene copolymer, polystyrene-polybutadiene copolymer, propylene The wire loft material of the polyethylene-alphaolefin copolymer of acetoacetic ester-ethene etc. etc..

As bonding agent (non-skin side absorber bonding agent 51U etc.), as long as disposable diaper usually can be used in It Deng the material in absorbent commodity, can with no particular limitation use, such as hot-melt adhesive can be used.As hot melt adhesion Agent, such as SIS (SIS), s-B-S block can be enumerated The hot-melt adhesive of the block copolymerization species such as copolymer (SBS), styrene-ethylene-butylene-styrene copolymer (SEBS).

Action effect during to disposable diaper 1 using the embodiment of the invention described above illustrates.

As shown in Figure 2 and Figure 3, diaper 1 has a boxed area 411, the boxed area 411 include translot 44X, pod 44Y and It is configured at longer high grammes per square metre portion 43 by translot 44X, pod the 44Y position marked off and on longitudinal direction (Y-direction).Because make With the absorbent core 41 with such a longer high grammes per square metre portion 43 on longitudinal direction (Y-direction), so when the wearing phase in diaper 1 Between, when wearer is drained, body fluid easily flows along longitudinal direction (Y-direction).Moreover, as shown in Figure 2 and Figure 3, diaper 1 is had In the absorbent core 41 of some absorbers 4, translot 44X is identical with pod 44Y thickness, or translot 44X thinner than pod 44Y, and When overlooking, translot 44X width is more than pod 44Y width, and therefore, as shown in Figure 10, compared with pod 44Y, body fluid is more Easily flowed along translot 44X.Like this, as shown in Figure 10, using boxed area 411 on longitudinal direction (Y-direction) it is longer High grammes per square metre portion 43, body fluid is set easily to be flowed along longitudinal direction (Y-direction), and then, using translot 44X, make body fluid easily along translot 44X Flowed on transverse direction (X-direction), so as to make body fluid efficiently be spread in the wider range of absorber 4.Thereby, it is possible to Efficiently utilize the absorptive capacity of the wider range of absorber 4.Especially in diaper 1, as shown in figure 3, in absorbent core 41, Skin is flat with respect to surface side, and non-skin with respect to surface side formed with the protrusion swelled from the lateral side of back-sheet 3 of face sheet 2 With the depressed part from the lateral side of face sheet 2 depression of back-sheet 3, therefore, the effect above is further played.

In addition, as shown in figure 5, the absorbent core 41 of diaper 1 has boxed area 411 and non-boxed area 412, and veutro Portion A overall width W_AWith drosal part B overall width W_BIt is identical, the veutro portion A of boxed area 411 width W_A1With drosal part B width W_B1It is identical.Moreover, as shown in Fig. 2, Fig. 5, non-boxed area 412 is integrally formed into from longitudinal direction (Y-direction) central portion By the shape of the veutro portion A inside square shrinking in part, and drosal part B entire area is more than veutro portion A entire area.Cause This, when using diaper 1 under supine position, when especially using diaper 1 to neonate, can make body fluid efficiently diffuse to the back of the body Sidepiece B absorbent core 41.

In addition, as shown in Fig. 3 (a), in diaper 1, coating member 42 is engaged with the non-skin opposite face 41U of absorbent core 41 Non- skin side absorber bonding agent 51U, on the transverse direction (X-direction) of diaper 1 be interrupted and applied on longitudinal direction (Y-direction) Shape in alignment.Like this, non-skin side absorber bonding agent 51U is for longer height on longitudinal direction (Y-direction) The absorbent core 41 in grammes per square metre portion 43 applies shape in alignment on longitudinal direction (Y-direction), therefore, when the wearing phase in diaper 1 Between, when wearer is drained, the flowing of body fluid is restricted, and is easily flowed along longitudinal direction (Y-direction).

In addition, as shown in figure 3, diaper 1 in absorbent core 41 near the position of non-skin with respect to surface side formed with paper Starch the layer 410 of monomer.Therefore, it is possible to play following effect：Body fluid can be made successfully to be advanced in absorbent core 41, can be made Body fluid efficiently spreads in the wider range of absorber 4, and efficiently can be held using the absorption of the wider range of absorber 4 Amount.

In addition, as shown in figure 3, the face sheet 2 of diaper 1 have to skin with respect to surface side protrusion multiple convex portions 21 and with The recess 22 that convex portion 21 abuts, the skin of face sheet 2 turn into sag and swell with respect to surface side.Therefore, during wearing, wearer After being drained, also gap can be formed between the skin and face sheet 2 of wearer, so as to which gas permeability is lifted, skin sense of touch Lifting.

In addition, as shown in figure 3, the intermediate sheet 5 (secondary layer of sheet material) of diaper 1 be configured at face sheet 2 and coating member 42 it Between, therefore play the effect for making liquid successfully be transferred to absorber 4.

The disposable diaper of one embodiment of the absorbent commodity of the present invention is not by the disposable of above-mentioned embodiment Any restrictions of diaper, can suitably it change.

Such as in the disposable diaper 1 of above-mentioned embodiment, as shown in figure 3, absorbent core 41 is as shown in figure 3, non- Skin is with respect to surface side formed with the protrusion from the lateral side of back-sheet 3 of face sheet 2 protuberance and laterally positive from back-sheet 3 The depressed part of the side of sheet material 2 depression, but non-skin also can be flat with respect to surface side.

In addition, in the disposable diaper 1 of above-mentioned embodiment, as shown in figure 3, between absorber 4 and face sheet 2 Hydrophilic intermediate sheet 5 is configured with, but can not also configure intermediate sheet 5.

In addition, in the disposable diaper 1 of above-mentioned embodiment, as shown in figure 4, face sheet 2 includes the of tablet One layer 23 and the second layer 24, form face sheet 2 skin opposite face first layer 23 have to skin opposite face side it is prominent and Inside turns into multiple convex portions 21 in cavity, and the second layer 24 for forming the non-skin opposite face of face sheet 2 is plane.Also can generation For such a face sheet 2, and the in general non-woven fabrics of the flat condition used in the absorbent commodities such as disposable diaper is used, Can be as shown in figure 11, using comprising one layer of fiber assembly, the inside of convex portion 21 turns into solid, convex portion 21 and recess 22 edge respectively Longitudinal direction (Y-direction) extends and the alternately face sheet arranged side by side on transverse direction (X-direction).

In addition, can also replace above-mentioned face sheet 2, and the concavo-convex sheet material obtained as follows is used for face sheet, That is, by the first fibrous layer comprising heat-shrinkable fiber and the fiber comprising substantially not thermal contraction or fine in above-mentioned heat-shrinkable The contraction start temperature of dimension substantially the second fibrous layer lamination of the fiber of not thermal contraction and after partly being engaged, passes through heat Wind processing, shrinks the first fibrous layer, so as to form concavo-convex sheet material.In the face sheet, the second fibrous layer is in itself and first Part beyond the junction surface of fibrous layer is prominent and forms convex portion, and on the other hand, above-mentioned junction surface forms recess.Heat-shrinkable is fine Dimension is preferably potential crimp property fiber.As such a concavo-convex sheet material, there are Japanese Unexamined Patent Publication 2002-187228 publications, Japanese Unexamined Patent Publication Remembered in 2003-250836 publications, Japanese Unexamined Patent Publication 2004-166849 publications, Japanese Unexamined Patent Publication 2004-202890 publications etc. The sheet material of load.

In addition, in the disposable diaper 1 of above-mentioned embodiment, as shown in Fig. 2, Fig. 5, the absorbent core 41 of absorber 4 Boxed area 411 with longer rectangle on longitudinal direction (Y-direction), and throughout the non-of the periphery of boxed area 411 configuration Boxed area 412.There can also be absorbent core 41A~41D shown in Figure 12~Figure 15 to replace the absorption of such a absorber 4 Property core 41.On absorbent core 41A~41D shown in Figure 12~Figure 15, for not specified aspect, appropriate application is to upper State the explanation that the absorbent core 41 included by diaper 1 describes in detail.In addition, in Figure 12~Figure 15, pair with Fig. 5 identical parts Mark identical symbol.Absorbent core 41A~41D shown in Figure 12~Figure 15 is veutro portion A both side edges and drosal part B respectively Both side edges respectively the both side edges than crotch C more to transverse direction (X-direction) foreign side stretch out, have be integrally formed as longitudinal direction (Y Direction) central portion inwardly just receives the boxed area 411 of thin shape, and it is inside with longitudinal direction (Y-direction) central portion is formed as Receive the non-boxed area 412 of thin shape in side.In addition, it is possible to use the absorbent core formed as follows replaces above-mentioned suction The absorbent core 41 of acceptor 4, in the absorbent core, without non-boxed area 412, multiple wire translot 44X respectively in horizontal stroke Extension, the pod 44Y of multiple wire extend in the total length of longitudinal direction (Y-direction) respectively in the total length in direction (X-direction).

The boxed area 411 of absorbent core 41A shown in Figure 12 is more specifically illustrated.In absorbent core 41A, As shown in figure 12, the drosal part 411b of boxed area 411 is formed as follows：The height marked off by translot 44X, pod 44Y The massive structure that grammes per square metre portion 43 is regularly configured with 5 and formed on transverse direction (X-direction), regularly in longitudinal direction (Y side To) on configure 4 rows.In addition, as shown in figure 12, the crotch 411c of boxed area 411 is formed as follows：High grammes per square metre portion 43 advises The massive structure that 3 then are configured with transverse direction (X-direction) and is formed, regularly configures 7 on longitudinal direction (Y-direction) OK.In addition, as shown in figure 12, the veutro portion 411a of boxed area 411 is formed as follows：Drawn by translot 44X, pod 44Y The massive structure that the high grammes per square metre portion 43 separated is regularly configured with 5 and formed on transverse direction (X-direction), regularly in vertical side 4 rows are configured on to (Y-direction).In absorbent core 41A boxed area 411, as shown in figure 12,6 along longitudinal direction (Y-direction) 4 in the pod 44Y of extension are respectively from veutro portion A up to drosal part B is linearly configured.

The boxed area 411 of absorbent core 41B shown in Figure 13 is more specifically illustrated.In absorbent core 41B, As shown in figure 13, the drosal part 411b of boxed area 411 is formed as follows：The height marked off by translot 44X, pod 44Y The massive structure that grammes per square metre portion 43 is regularly configured with 4 and formed on transverse direction (X-direction), regularly in longitudinal direction (Y side To) on configure 4 rows.In addition, as shown in figure 13, the crotch 411c of boxed area 411 is formed as follows：By translot 44X, indulge The massive structure that the high grammes per square metre portion 43 that groove 44Y is marked off regularly is configured with 3 and formed on transverse direction (X-direction), rule Ground configures 7 rows on longitudinal direction (Y-direction).In addition, as shown in figure 13, the veutro portion 411a of boxed area 411 is as follows Formed：4 are regularly configured with transverse direction (X-direction) for the high grammes per square metre portion 43 marked off by translot 44X, pod 44Y and shape Into massive structure, regularly configure 4 rows on longitudinal direction (Y-direction).In absorbent core 41B boxed area 411, such as scheme Shown in 13, any pod 44Y along longitudinal direction (Y-direction) extension is not from veutro portion A up to drosal part B is linearly configured.

The boxed area 411 of absorbent core 41C shown in Figure 14 is more specifically illustrated.In absorbent core 41C, As shown in figure 14, the drosal part 411b of boxed area 411 is formed as follows：The height marked off by translot 44X, pod 44Y The massive structure that grammes per square metre portion 43 is regularly configured with 5 and formed on transverse direction (X-direction), regularly in longitudinal direction (Y side To) on configure 3 rows, and then massive structure rule that high grammes per square metre portion 43 is regularly configured with 4 and formed on transverse direction (X-direction) Then 1 row is configured on longitudinal direction (Y-direction).In addition, as shown in figure 14, the crotch 411c of boxed area 411 is as follows Formed：3 are regularly configured with transverse direction (X-direction) for the high grammes per square metre portion 43 marked off by translot 44X, pod 44Y and shape Into massive structure, regularly configure 7 rows on longitudinal direction (Y-direction).In addition, as shown in figure 14, the veutro of boxed area 411 Portion 411a is formed as follows：The high grammes per square metre portion 43 marked off by translot 44X, pod 44Y is regularly in transverse direction (X-direction) On the massive structure that is configured with 4 and is formed, 1 row, and then the rule of high grammes per square metre portion 43 are regularly configured on longitudinal direction (Y-direction) The massive structure that ground is configured with 5 and formed on transverse direction (X-direction) regularly configures 3 rows on longitudinal direction (Y-direction). In absorbent core 41C boxed area 411, as shown in figure 14, any pod 44Y along longitudinal direction (Y-direction) extension does not have From veutro portion A up to drosal part B is linearly configured.

The boxed area 411 of absorbent core 41D shown in Figure 15 is more specifically illustrated.In absorbent core 41D, As shown in figure 15, the drosal part 411b of boxed area 411 is formed as follows：The height marked off by translot 44X, pod 44Y The massive structure that grammes per square metre portion 43 is regularly configured with 6 and formed on transverse direction (X-direction), regularly in longitudinal direction (Y side To) on configure 3 rows, and then massive structure rule that high grammes per square metre portion 43 is regularly configured with 4 and formed on transverse direction (X-direction) Then 1 row is configured on longitudinal direction (Y-direction).In addition, as shown in figure 15, the crotch 411c of boxed area 411 is as follows Formed：2 are regularly configured with transverse direction (X-direction) for the high grammes per square metre portion 43 marked off by translot 44X, pod 44Y and shape Into massive structure, regularly configure 7 rows on longitudinal direction (Y-direction).In addition, as shown in figure 15, the veutro of boxed area 411 Portion 411a is formed as follows：The high grammes per square metre portion 43 marked off by translot 44X, pod 44Y is regularly in transverse direction (X-direction) On the massive structure that is configured with 4 and is formed, 1 row, and then the rule of high grammes per square metre portion 43 are regularly configured on longitudinal direction (Y-direction) The massive structure that ground is configured with 6 and formed on transverse direction (X-direction) regularly configures 3 rows on longitudinal direction (Y-direction). In absorbent core 41D boxed area 411, as shown in figure 15,3 in 7 pod 44Y along longitudinal direction (Y-direction) extension Respectively from veutro portion A up to drosal part B is linearly configured.

In addition, in the disposable diaper 1 of above-mentioned embodiment, as shown in Fig. 2 forming the absorbent core 41 of absorber 4 Low grammes per square metre portion 44, using the wire extended along transverse direction (X-direction) translot 44X and along longitudinal direction (Y-direction) extend line The pod 44Y of shape, lattice-shaped is integrally formed as, but not in the shape for limiting the lattice-shaped.

In addition, as shown in figure 1, the disposable diaper 1 of above-mentioned embodiment be deploying type disposable diaper, but be alternatively The disposable diaper of pants type.

On above-mentioned embodiment, following absorbent commodity is further disclosed.

A kind of absorbent commodities of the ＞ of ＜ 1, it has configuration in the skin face sheet of surface side, configuration relatively in non-skin phase The back-sheet of opposite side and the absorber for configuring the lengthwise between the two sheet materials, the absorbent commodity are characterised by：

Above-mentioned absorber has the absorbent core containing absorbing polymeric,

Above-mentioned absorbent core has boxed area, and the boxed area includes：Extend along the longitudinal direction of absorbent commodity vertical Groove；The translot extended along the transverse direction of absorbent commodity；Should with the grammes per square metre ratio in the position marked off by the pod and the translot The high grammes per square metre portion of pod and the high multiple lengthwises in each position of the translot,

The above-mentioned high grammes per square metre portion of above-mentioned absorbent core is formed with the position by being located at above-mentioned translot and above-mentioned pod respectively Low grammes per square metre portion is integrally formed,

The thickness of above-mentioned pod is identical with the thickness of above-mentioned translot, or the thickness of thin of the thickness ratio of the translot pod, During vertical view, the width of the translot is wider than the width of the pod.

The absorbent commodity that the ＞ of ＜ 2 such as above-mentioned ＞ of ＜ 1 are recorded, wherein, the skin of above-mentioned absorbent core is flat with respect to surface side It is smooth, in non-skin with respect to surface side formed with the protrusion from the lateral back-sheet side protuberance of face sheet and from back-sheet The depressed part of lateral face sheet side depression.

The absorbent commodity that the ＞ of the ＜ 3 for example above-mentioned ＞ of ＜ 1 or the ＞ of ＜ 2 are recorded, wherein, above-mentioned absorbent core has above-mentioned bulk Region and the non-boxed area configured throughout the periphery of the boxed area, the overall width of veutro portion and the overall width of drosal part Identical, the width of above-mentioned boxed area is identical with drosal part in veutro portion.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 3 of the ＞ of ＜ 4 are recorded, wherein, above-mentioned absorber has upper State absorbent core and coat the coating member of absorbent core, the non-skin opposite face of the coating member and above-mentioned absorbent core passes through non-flesh The engagement of skin side absorber bonding agent, the non-skin side absorber bonding agent be interrupted on the transverse direction of above-mentioned absorbent commodity and Shape in alignment is coated on longitudinal direction.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 4 of the ＞ of ＜ 5 are recorded, wherein, above-mentioned absorbent core is most By non-skin with respect to layer of the position of surface side formed with paper pulp monomer.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 5 of the ＞ of ＜ 6 are recorded, wherein, above-mentioned face sheet has Multiple convex portions to skin with respect to surface side protrusion and the recess with convex portion adjoining, the skin of the face sheet are formed with respect to surface side For sag and swell.

Any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 6 of the ＞ of ＜ 7 record absorbent commodity, wherein, above-mentioned absorber with it is upper State and be configured with hydrophilic intermediate sheet between face sheet.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 7 of the ＞ of ＜ 8 are recorded, wherein, above-mentioned absorbent commodity In, the left and right sides edge of veutro portion and the left and right sides edge of drosal part respectively than crotch left and right sides edge more on the outside of transverse direction Extension, the left and right sides edge of crotch bend to arc-shaped to transverse direction inner side, have longitudinal direction central portion to inner side as overall The shape of shrinking, above-mentioned face sheet and above-mentioned back-sheet are respectively from the left and right sides edge and front and rear sides edge of above-mentioned absorber Extend laterally, the size of the transverse direction of the face sheet is smaller than the size of the transverse direction of the back-sheet.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 8 of the ＞ of ＜ 9 are recorded, wherein, in above-mentioned absorbent commodity The both sides along longitudinal direction it is each in, the sidepiece of above-mentioned face sheet configure and be fixed with longitudinal direction to stretch The three-dimensional gauffer formation sheet material for the elastomeric element that long status is fixed, is consequently formed a pair of three-dimensional gauffers, in the absorbent commodity The both sides along longitudinal direction it is each in, multiple leg elastic members of leg creases formation are configured to stretch on longitudinal direction Long status, leg creases are formed by the contraction of the leg elastic members, the longitudinal direction in the drosal part side of the absorbent commodity End, waist gauffer formation are configured to elongation state with waist elastic members, pass through the waist elastic members in the transverse direction Contraction forms waist gauffer.

The absorbent commodity that for example above-mentioned ＞ of ＜ 4 of the ＞ of ＜ 10 are recorded, wherein, utilize the hydrophilic sheet as liquid permeability Above-mentioned coating member be coated on the above-mentioned absorbent core of liquid retainability longer on longitudinal direction, so as to form above-mentioned absorber.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 10 of the ＞ of ＜ 11 are recorded, wherein, above-mentioned absorbent core Lattice-shaped is integrally formed by using above-mentioned translot and above-mentioned pod in above-mentioned boxed area, and by these linear translots and Above-mentioned high grammes per square metre portion is respectively configured in the position that pod marks off and is formed.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 3 to ＜ 11 of the ＞ of ＜ 12 are recorded, wherein, above-mentioned absorbent core tool There is a low grammes per square metre portion formed by above-mentioned translot and above-mentioned pod, grammes per square metre portion one low with this of above-mentioned high grammes per square metre portion of above-mentioned absorbent core Body shapes, and above-mentioned non-boxed area is also integrally formed with the high grammes per square metre portion and the low grammes per square metre portion.

The absorbent commodity that for example above-mentioned ＞ of ＜ 12 of the ＞ of ＜ 13 are recorded, wherein, the above-mentioned low grammes per square metre portion of above-mentioned absorbent core exists On the thickness direction of above-mentioned absorbent commodity, bias is formed in above-mentioned face sheet side, the face sheet side of the absorbent core To be flat.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 13 of the ＞ of ＜ 14 are recorded, wherein, above-mentioned absorbent core Longitudinal direction total length is more than 250mm below 550mm, and transverse direction beam overall is more than 50mm below 200mm.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 14 of the ＞ of ＜ 15 are recorded, wherein, above-mentioned boxed area Longitudinal direction length is less than more than 70% 98% length of the longitudinal direction total length of above-mentioned absorbent core, or more than 85% 95% with Under length.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 15 of the ＞ of ＜ 16 are recorded, wherein, above-mentioned boxed area Transverse direction length is less than more than 30% 90% length of the transverse direction beam overall of above-mentioned absorbent core, or more than 50% 70% with Under length.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 16 of the ＞ of ＜ 17 are recorded, wherein, above-mentioned boxed area Longitudinal direction total length is more than 100mm below 540mm, and transverse direction beam overall is more than 20mm below 140mm.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 3 to ＜ 17 of the ＞ of ＜ 18 are recorded, wherein, above-mentioned non-boxed area The respective longitudinal direction length in both ends of longitudinal direction be more than 10mm below 150mm.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 3 to ＜ 18 of the ＞ of ＜ 19 are recorded, wherein, above-mentioned non-block area The respective transverse direction length in both sides along longitudinal direction in domain, it is more than 10mm below 40mm in veutro portion, is 10mm in crotch Below above 30mm, it is more than 10mm below 40mm in drosal part.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 19 of the ＞ of ＜ 20 are recorded, wherein, above-mentioned high grammes per square metre portion exists Be formed as rectangle during vertical view, or quadrangle turns into arc-shaped, or be polygon-shaped, oval or combinations thereof.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 20 of the ＞ of ＜ 21 are recorded, wherein, the width of above-mentioned translot Width than above-mentioned pod is wide, and the width of width/above-mentioned pod of above-mentioned translot is less than more than 110% 500% scope, or Less than more than 120% 300% scope.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 21 of the ＞ of ＜ 22 are recorded, wherein, the width of above-mentioned translot It is less than more than 2% 25% length of the longitudinal direction length in above-mentioned high grammes per square metre portion, or less than more than 5% 20% length.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 22 of the ＞ of ＜ 23 are recorded, wherein, the width of above-mentioned pod It is less than more than 2% 30% length of the transverse direction length in above-mentioned high grammes per square metre portion, or less than more than 10% 25% length.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 12 to ＜ 23 of the ＞ of ＜ 24 are recorded, wherein, above-mentioned translot and upper Pod is stated to be formed with identical thickness, the thickness in above-mentioned low grammes per square metre portion for the thickness in above-mentioned high grammes per square metre portion more than 30% 90% with Under.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 12 to ＜ 24 of the ＞ of ＜ 25 are recorded, wherein, above-mentioned low grammes per square metre portion Grammes per square metre be less than more than the 20% 80% of the grammes per square metre in above-mentioned high grammes per square metre portion, or less than more than 30% 70%.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 12 to ＜ 25 of the ＞ of ＜ 26 are recorded, wherein, in above-mentioned absorber In, compared with above-mentioned low grammes per square metre portion, density is identical or is formed as high density for above-mentioned high grammes per square metre portion and above-mentioned non-boxed area.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 12 to ＜ 26 of the ＞ of ＜ 27 are recorded, wherein, above-mentioned low grammes per square metre portion Density be less than more than the 50% 100% of the density in above-mentioned high grammes per square metre portion, or less than more than 75% 95%.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 12 to ＜ 27 of the ＞ of ＜ 28 are recorded, wherein, in above-mentioned absorbability Formed with space between the above-mentioned low grammes per square metre portion of core and above-mentioned coating member.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 7 to ＜ 28 of the ＞ of ＜ 29 are recorded, wherein, in above-mentioned face sheet The above-mentioned intermediate sheet of longer rectangle on longitudinal direction is configured between above-mentioned coating member with forming above-mentioned absorber.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 7 to ＜ 29 of the ＞ of ＜ 30 are recorded, wherein, above-mentioned intermediate sheet is Secondary layer of sheet material, in a manner of covering is formed the above-mentioned absorbent core of above-mentioned absorber, configured from veutro portion until drosal part, should The grammes per square metre of intermediate sheet is 15g/m²Above 100g/m²Below.

The absorbent commodity that for example above-mentioned ＞ of ＜ 30 of the ＞ of ＜ 31 are recorded, wherein, as above-mentioned intermediate sheet, use with hydrophily Fiber is the sheet material (content of hydrophilic fibre is preferably sheet material more than 90 mass %) of main body, as this with hydrophilic fibre For the sheet material of main body, paper, non-woven fabrics, screen cloth are used.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 31 of the ＞ of ＜ 32 are recorded, wherein, above-mentioned absorbent commodity For the disposable diaper of deploying type.

The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 31 of the ＞ of ＜ 33 are recorded, wherein, above-mentioned absorbent commodity For the disposable diaper of pants type.

Embodiment

Hereinafter, the present invention is illustrated in more detail using embodiment.However, the scope of the present invention is not implemented by this Any restrictions of example.

[embodiment 1]

Absorber 4 is manufactured using the device shown in Fig. 7, produces the disposable diaper 1 shown in Fig. 2.It is detailed to face sheet 2 Carefully described, as face sheet, using the concavo-convex face sheet same structure with 2 Rotating fields shown in Fig. 4, The use of grammes per square metre is respectively 18g/m as the upper and lower of the face sheet²Liquid permeability hot-wind nonwoven cloth, for The upper strata, bumps are applied with to the hot-wind nonwoven cloth by Embossing processing.The grammes per square metre for applying the upper strata after bumps is 23.5g/m²。 The convex portion 21 of face sheet and junction surface 25 (recess 22) are configured to staggeredly (sawtooth) lattice-shaped, and the height h of convex portion 21 is 1.1mm, the bottom size L1 along the convex portion 21 of Y-direction are 2.5mm, and the bottom size L2 of convex portion 21 in X direction is 3.0mm, The floor space of convex portion 21 is 7.5mm².In addition, the length on length L3 and Y-direction in the X-direction at the junction surface 25 of recess 22 For 1.0mm.

Then, absorber 4 is described in detail, the total length of the Y-direction of the boxed area 411 of absorbent core 41 is 332mm, the beam overall of X-direction is 50mm.The length of the Y-direction of the end of the Y-direction of the non-boxed area 412 of absorbent core 41 is 370mm, the length of the X-direction of veutro portion A sidepiece are 120mm, and the length of the X-direction of crotch C sidepiece is 70mm, dorsal part The length of the X-direction of portion B sidepiece is 100mm.The length L4 of Y-direction for forming the high grammes per square metre portion 43 of boxed area 411 is 20mm, the length L5 of X-direction is 10mm.The width L6 for forming the translot 44X of boxed area 411 is 2.2mm, pod 44Y width Degree L7 is 2mm.The grammes per square metre for forming the low grammes per square metre portion 44 (translot 44X, pod 44Y) of boxed area 411 is 292g/m², form block The high grammes per square metre portion 43 in shape region 411 and 412 respective grammes per square metre of non-boxed area are 570g/m²。

Then, bonding agent is described in detail, the skin side absorbent cores are bonding agent 51T of helical form coating coating Density (coating amount) is 2.5g/cm³, the non-skin side absorber bonding agent 51U of striated coating coating density (coating amount) For 2.0g/cm³。

[embodiment 2]

In embodiment 2, the width L6 for forming the translot 44X of boxed area 411 is 2.5mm, and pod 44Y width L7 is 2mm, in addition, the disposable diaper of embodiment 2 is made in the same manner as example 1.

[comparative example 1]

On the absorbent core 41 of absorber 4, the width L6 for forming the translot 44X of boxed area 411 is 1mm, pod 44Y Width L7 be 2mm, in addition, the disposable diaper of comparison example 1 in the same manner as example 1.

[performance evaluation]

For embodiment 1~2, the disposable diaper of comparative example 1, by the following method, soak time and diffusingsurface are determined Product.Evaluation environment is 20 DEG C of room temperature, humidity 60%RH.Its measurement result is shown in table 1 below.

[determination method of soak time and diffusion area]

To the disposable diaper obtained in embodiment 1~2, comparative example 1, with the boxed area corresponding to absorbent core 41 411 mode, making face sheet, (internal diameter 19.5mm, the internal diameter of the top 10mm parts contacted with absorber are with cylinder Leading section contact 10mm), vertically erects the cylinder.Then, to apply 21.6g/cm²Load mode will match somebody with somebody heavy duty It is placed on the face sheet around the cylinder vertically erected.Then, 30g physiological saline is supplied from the other end side of cylinder (0.9 weight % sodium chloride water), measure can't see the suction untill supplied physiological saline until the face material out of cylinder Between time receiving (second), and then, the diffusion area (cm after measure supply physiological saline after 10 minutes²).In addition, for each diaper, to 3 Individual sample is measured, and obtains the average value of the value determined, is shown in table 1.

[table 1]

	Unit	Embodiment 1	Embodiment 2	Comparative example 1
					Soak time	Second	22	18	29
Diffusion area	cm²	115	112	95

It can be seen from the result shown in table 1, compared with the disposable diaper of comparative example 1, the disposable diaper of embodiment 1,2 Soak time (second) it is short, diffusion area (cm²) also wider.Thus, it is real it could be speculated that compared with the disposable diaper of comparative example 1 The absorptive capacity of wider range of absorber 4 can efficiently be utilized by applying the disposable diaper c of example 1,2.

Industrial utilizability

According to the absorbent commodity of the present invention, body fluid can be made efficiently to be spread in the wider range of absorber, can Efficiently utilize the absorptive capacity of the wider range of absorber.

Claims

1. a kind of absorbent commodity, its have configuration in skin with respect to the face sheet of surface side, configuration in non-skin with respect to surface side Back-sheet and configure the absorber of lengthwise between the two sheet materials, the absorbent commodity is characterised by：

The absorber has the absorbent core containing absorbing polymeric,

The absorbent core has boxed area, and the boxed area includes：The pod extended along the longitudinal direction of absorbent commodity；Edge The translot of the transverse direction extension of absorbent commodity；With in the position marked off by the pod and the translot grammes per square metre than the pod and The high grammes per square metre portion of the high multiple lengthwises in each position of the translot,

The high grammes per square metre portion of the absorbent core and low gram by being formed respectively positioned at the position of the translot and the pod Weight portion is integrally formed,

The thickness of the pod is identical with the thickness of the translot, or the thickness of thin of the thickness ratio of the translot pod, overlooks When, the width of the translot is wider than the width of the pod,

The absorbent core is most leaning on relative layer of the position of surface side formed with paper pulp monomer of non-skin,

The absorbent core has the boxed area and the non-boxed area configured throughout the periphery of the boxed area, veutro portion Overall width it is identical with the overall width of drosal part, the width of the boxed area is identical with drosal part in veutro portion,

The transverse direction length of the boxed area is less than more than 30% 90% length of the transverse direction beam overall of the absorbent core Degree.

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

The skin of the absorbent core is flat with respect to surface side, in non-skin with respect to surface side formed with laterally being carried on the back from face sheet The protrusion of facesheet side protuberance and the depressed part from the lateral face sheet side depression of back-sheet.

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

The absorber has the absorbent core and coats the coating member of absorbent core, the coating member and the absorbent core Non- skin opposite face is engaged by non-skin side absorber bonding agent, and the non-skin side absorber bonding agent is in the absorbability thing It is interrupted on the transverse direction of product and shape in alignment is coated on longitudinal direction.

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

The face sheet has multiple convex portions to skin with respect to surface side protrusion and the recess with convex portion adjoining, the positive dough sheet The skin of material is formed as sag and swell with respect to surface side.

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

Hydrophilic intermediate sheet is configured between the absorber and the face sheet.

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

In the absorbent commodity, the left and right sides edge of veutro portion and the left and right sides edge of drosal part are respectively than the left and right two of crotch Lateral margin more bends to arc-shaped to transverse direction inner side, had as overall to extension on the outside of transverse direction, the left and right sides edge of crotch Longitudinal direction central portion is to the shape of inner side shrinking, and the face sheet and the back-sheet are respectively from the left and right of the absorber Both side edges and front and rear sides edge extend laterally, the chi of the size of the transverse direction of the face sheet than the transverse direction of the back-sheet It is very little small.

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

The both sides along longitudinal direction of the absorbent commodity it is each in, configure and fix in the sidepiece of the face sheet There is the three-dimensional gauffer formation sheet material with the elastomeric element fixed on longitudinal direction with elongation state, be consequently formed a pair of solids Gauffer, the both sides along longitudinal direction of the absorbent commodity it is each in, multiple leg elastic portions of leg creases formation Part is configured to elongation state on longitudinal direction, and leg creases are formed by the contraction of the leg elastic members, in the absorbability thing The longitudinal direction end of the drosal part side of product, waist gauffer formation are configured to elongation state in the transverse direction with waist elastic members, Waist gauffer is formed by the contraction of the waist elastic members.

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

The coating member by the use of the hydrophilic sheet as liquid permeability is coated on liquid retainability longer on longitudinal direction The absorbent core, so as to form the absorber.

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

Lattice-shaped is integrally formed by using the translot and the pod in the boxed area of the absorbent core, and by The high grammes per square metre portion is respectively configured in the position that these linear translots and pod mark off and is formed.

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

The absorbent core has the low grammes per square metre portion formed by the translot and the pod, the Gao Ke of the absorbent core Grammes per square metre portion low with this of weight portion is integrally formed, and the non-boxed area is also integrally formed with the high grammes per square metre portion and the low grammes per square metre portion.

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

The low grammes per square metre portion of the absorbent core is on the thickness direction of the absorbent commodity, and bias is in the face sheet Side, the face sheet side of the absorbent core are formed as flat.

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

The longitudinal direction total length of the absorbent core is more than 250mm below 550mm, transverse direction beam overall be more than 50mm 200mm with Under.

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

The longitudinal direction length of the boxed area is less than more than 70% 98% length of the longitudinal direction total length of the absorbent core Degree.

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

The longitudinal direction total length of the boxed area is more than 100mm below 540mm, transverse direction beam overall be more than 20mm 140mm with Under.

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

The respective longitudinal direction length in both ends of the longitudinal direction of the non-boxed area is more than 10mm below 150mm.

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

The respective transverse direction length in the both sides along longitudinal direction of the non-boxed area, veutro portion be more than 10mm 40mm with Under, it is more than 10mm below 30mm in crotch, is more than 10mm below 40mm in drosal part.

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

The high grammes per square metre portion is formed as polygon-shaped, oval or combinations thereof when overlooking, and this is polygon-shaped including rectangle, or The quadrangle of rectangle turns into the shape of arc-shaped.

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

The width of the translot is wider than the width of the pod, and the width of width/pod of the translot is more than 110% Less than 500% scope.

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

The width of the translot is less than more than 2% 25% length of the longitudinal direction length in the high grammes per square metre portion.

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

The width of the pod is less than more than 2% 30% length of the transverse direction length in the high grammes per square metre portion.

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

The translot and the pod are formed with identical thickness, and the thickness in the low grammes per square metre portion is the thickness in the high grammes per square metre portion Less than more than 30% 90%.

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

The grammes per square metre in the low grammes per square metre portion is less than more than the 20% 80% of the grammes per square metre in the high grammes per square metre portion.

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

In the absorber, the high grammes per square metre portion and the non-boxed area compared with the low grammes per square metre portion, density it is identical or Person is formed as high density.

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

The density in the low grammes per square metre portion is less than more than the 50% 100% of the density in the high grammes per square metre portion.

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

Formed with space between the low grammes per square metre portion of the absorbent core and the coating member.

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

Longer rectangle on longitudinal direction is configured between the coating member of the face sheet and the composition absorber The intermediate sheet.

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

The intermediate sheet is time layer of sheet material, in a manner of covering is formed the absorbent core of the absorber, from veutro portion Configure, the grammes per square metre of the intermediate sheet is 15g/m until drosal part²Above 100g/m²Below.

28. absorbent commodity as claimed in claim 27, it is characterised in that：

As above-mentioned intermediate sheet, the sheet material based on hydrophilic fibre is used, the wherein content of hydrophilic fibre is 90 matter More than % is measured, as the sheet material based on hydrophilic fibre, uses paper, non-woven fabrics or screen cloth.

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

The absorbent commodity is the disposable diaper of deploying type.

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

The absorbent commodity is the disposable diaper of pants type.