CN104363869B - Absorbent article - Google Patents

Absorbent article Download PDF

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Publication number
CN104363869B
CN104363869B CN201380030882.XA CN201380030882A CN104363869B CN 104363869 B CN104363869 B CN 104363869B CN 201380030882 A CN201380030882 A CN 201380030882A CN 104363869 B CN104363869 B CN 104363869B
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CN
China
Prior art keywords
absorbent core
absorbent
longitudinal direction
length
boxed area
Prior art date
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Application number
CN201380030882.XA
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Chinese (zh)
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CN104363869A (en
Inventor
富田美奈
铃木彦行
柳原茂人
佐藤信也
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Kao Corp
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Kao Corp
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Publication of CN104363869A publication Critical patent/CN104363869A/en
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Publication of CN104363869B publication Critical patent/CN104363869B/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49001Absorbent articles specially adapted to be worn around the waist, e.g. diapers having preferential bending zones, e.g. fold lines or grooves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/535Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
    • A61F13/536Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes having discontinuous areas of compression

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

This diaper (1) is provided with a front sheet (2), a back sheet (3), and an oblong absorber (4) disposed between the two sheets (2, 3), and is provided with a liquid-permeable interlayer sheet (5) disposed between the absorber (4) and the front sheet (2). The absorber (4) has an absorbent core (41). The absorbent core (41) has a block region (411) in which a plurality of block structures (400) comprising convexities (43) of high basis weight and grooves (44) of low basis weight are disposed in the longitudinal direction spanning from a ventral section (A) to a dorsal section (B). The convexities (43) and grooves (44) of the absorbent core (41) are integrally molded, and the interlayer sheet (5) partially covers the block regions of the absorbent core, the interlayer sheet being shorter in the longitudinal direction (Y-direction) than are the block regions (411) of the absorbent core (41). The interlayer sheet (5) is disposed deviated to the ventral section (A) side of the absorbent core (41).

Description

Absorbent commodity
Technical field
The present invention relates to the absorbent commodity such as disposable diaper.
Background technology
All the time, it is known to use be provided with the absorbability of the absorber of the bulk of groove being extended in the in-plane direction Article (with reference to patent documentation 1,2).Absorber (absorbent core) included by absorbent commodity described in patent documentation 1 In, the end compression stricture of vagina recess of veutro portion and drosal part, interval in the direction of the width is extended to from length direction substantially central portion It is configured with multiple.When having this kind of absorber (absorbent core), body fluid is made easily to spread by end compression stricture of vagina recess, thus using The absorbability lifting of the body fluid of period.
However, the end compression stricture of vagina recess that the absorber (absorbent core) described in patent documentation 1 has is to be added by embossing Work and formed, therefore, this end compression stricture of vagina recess portions becomes high density, and the overall rigidity of absorber uprises.
On the other hand, the absorber included by the absorbent commodity described in patent documentation 2 is configuration on substrate sheet material The multiple little absorption portion cut-off when overlooking is had to be formed.Due to like this multiple little absorption portions being configured in substrate sheet material Above form absorber (absorbent core), the absorbability lifting of the body fluid during therefore using, and the overall rigidity of absorber Step-down, flexibility is lifted.
As other technology, the applicant has been previously proposed and has been configured with penetration by liquid between face sheet and absorber Property the second sheet material disposable diaper (with reference to patent documentation 3).
Prior art literature
Patent documentation
Patent documentation 1:Japanese Unexamined Patent Publication 2005-73921 publication
Patent documentation 2:Japanese Unexamined Patent Publication 2011-136034 publication
Patent documentation 3:Japanese Unexamined Patent Publication 2007-159943 publication
Content of the invention
However, the absorber of described absorbent commodity in patent documentation 2 is to configure multiple little absorption portions in substrate Formed on sheet material, the intensity of therefore absorber (absorbent core) substantially reduces, there is absorber (absorbability after absorption body fluid Core) shape damage situation, lifting absorb body fluid after absorber shape retention in terms of have room for improvement.
Additionally, in patent documentation 2, the not any record related to the second sheet material of configuration liquid permeability, patent Any record related to the absorber (absorbent core) including bulk is had no in document 3.So, patent documentation 2 and patent literary composition Offer in 3, in the absorbent commodity for the absorber (absorbent core) block in inclusion and the second sheet material of liquid permeability, block The absorber (absorbent core) of shape and the second sheet material suitable configuration relation, all no any related record.
Thus, the present invention provides and has the absorption that can eliminate the inclusion absorber that above-mentioned prior art is had the disadvantage that Property article.
The present invention relates to a kind of absorbent commodity, its have configure skin relatively the face sheet of surface side, configure non- The back-sheet relative to surface side for the skin and the absorber of lengthwise between this two sheet materials for the configuration, this absorber has to be located to be worn The veutro portion of the veutro of wearer, the drosal part being located at dorsal part and the crotch being located between them, in this absorber and this positive dough sheet There is between material the intermediate sheet of liquid permeability.Above-mentioned absorber has the absorbent core containing absorbing polymeric.Above-mentioned suction The property received core has from veutro portion until drosal part is configured with the boxed area of multiple massive structures on longitudinal direction, this massive structure It is made up of the relatively low groove portion of multiple protuberances of the relatively high convex of grammes per square metre and the grammes per square metre of each this protuberance of encirclement, above-mentioned absorbability The raised part of core and above-mentioned groove portion are integrally formed.Above-mentioned intermediate sheet covers the one of the above-mentioned boxed area of above-mentioned absorbent core Part, the length of the length of the longitudinal direction of this intermediate sheet longitudinal direction of above-mentioned boxed area than above-mentioned absorbent core is short, should Intermediate sheet bias configures in the veutro portion side of this absorbent core.
Brief description
Fig. 1 is the axonometric chart of the disposable diaper of the deploying type of embodiments of the present invention.
Fig. 2 is that top view is blocked in the local observing the disposable diaper shown in Fig. 1 from face sheet side.
Fig. 3 is the I-I profile of Fig. 2.
Fig. 4 is the II-II profile of Fig. 2.
Fig. 5 is to observe, from face sheet side, absorbent core and the intermediate sheet that the disposable diaper shown in Fig. 1 has Top view.
Fig. 6 be the deploying type representing embodiments of the present invention disposable diaper used in absorber manufacture device The skeleton diagram of.
Fig. 7 is the constructed profile in the width direction of a part (recess) for the periphery surface side of the rotating cylinder shown in Fig. 6.
Fig. 8 is that the recess representing the rotating cylinder shown in Fig. 6 piles up the constructed profile of the state having absorbent material.
Fig. 9 is to observe other absorbent cores used in the disposable diaper of embodiments of the present invention from face sheet side Top view (being equivalent to the figure of Fig. 5) with intermediate sheet.
Figure 10 is to observe other absorbabilitys used in the disposable diaper of embodiments of the present invention from face sheet side The top view of core.
Figure 11 is to observe other absorbabilitys used in the disposable diaper of embodiments of the present invention from face sheet side The top view of core.
Specific embodiment
Hereinafter, the absorbent commodity of the present invention, based on preferred embodiment, is described with reference to Fig. 1~Fig. 5.Fig. 1 represents this The axonometric chart of the disposable diaper of the deploying type of one embodiment of invention, Fig. 2 represents and observes shown in Fig. 1 from face sheet side Top view is blocked in the local of disposable diaper, and Fig. 3 represents the I-I profile of Fig. 2, and Fig. 4 represents the II-II profile of Fig. 2.This Outward, Fig. 5 represents the top view of the absorbent core that the disposable diaper shown in Fig. 1 has.
As shown in Figure 1 to 4, the disposable diaper 1 (hereinafter also referred to " diaper 1 ") of present embodiment includes configuration in flesh Skin relative to the back-sheet 3 of surface side and configures between this two sheet material 2,3 in non-skin relative to the face sheet 2 of surface side, configuration Lengthwise absorber 4, between absorber 4 and face sheet 2 include liquid permeability intermediate sheet 5.As shown in Fig. 2 The centrage CL that diaper 1 is formed as with regard to extending along longitudinal direction is symmetrical.
As shown in Fig. 2 diaper 1 has diaper 1 in the deployed state in longitudinal direction (hereinafter also referred to " Y-direction ", Y side To:Refer to the direction parallel to centrage CL) upper 3 deciles and formed veutro portion A, drosal part B and be located at crotch between this A, B Portion C.Veutro portion A is the position of the veutro being located at wearer when dressing diaper, and drosal part B is in the portion of the dorsal part of wearer Position, crotch C is in the position of the in-leg of wearer.Crotch C is located at longitudinal direction (Y-direction) central part of diaper 1.In addition, will The transverse direction (hereinafter also referred to " X-direction ") that the direction orthogonal with longitudinal direction (Y-direction) is set to diaper 1 illustrates.
In this manual, so-called " skin opposite face " refers to constitute the just back of the body two of each parts such as the face sheet 2 of diaper 1 In the face of the skin side of wearer, so-called " non-skin opposite face " refers to each portion such as face sheet 2 for the configuration in wearing in face In the both sides of part wearing when towards wearer skin side opposition side face.
As shown in Fig. 2 the left and right sides edge ratio crotch C respectively of the left and right sides edge of veutro portion A of diaper 1 and drosal part B Left and right sides edge more stretch out to transverse direction (X-direction) foreign side.And, the left and right sides edge of crotch C is into transverse direction (X-direction) Side bends to arc-shaped, has the shape of the inside square shrinking of longitudinal direction (Y-direction) central part on the whole.Face sheet 2 and the back side Sheet material 3 stretches out outward from the left and right sides edge of absorber 4 and rear and front end edge respectively.As shown in Figure 3, Figure 4, face sheet 2 The transverse direction (X-direction) being smaller in size than back-sheet 3 of transverse direction (X-direction) size.Face sheet 2 and back-sheet 3 The extension stretching out outward in the periphery from absorber 4 respectively directly engages or is bonded with each other via across part, clamps, admittedly Determine absorber 4.
As shown in Figure 1 and Figure 2, diaper 1 is the diaper of so-called deploying type, and the left and right sides edge of drosal part B is provided with one To pull stap 7,7, it is provided with the outer surface (non-skin opposite face) of veutro portion A and fixes taking of this pull stap 7,7 and carry 8.As Shown in Fig. 2, diaper 1 along the both sides of longitudinal direction (Y-direction) each in, have and Y-direction be fixed on extended state The three-dimensional gauffer formation sheet material 62 of elastomeric element 61 configures and is fixed on the sidepiece of face sheet 2, is consequently formed a pair of solid Gauffer 6,6 (with reference to Fig. 1, Fig. 3).Additionally, as shown in Fig. 2 diaper 1 along the both sides of longitudinal direction (Y-direction) each in, Multiple leg elastic members 63 that leg creases are formed configure in the Y direction with extended state, by leg elastic members 63 Contraction and form leg creases.Additionally, longitudinal direction (Y-direction) end of the drosal part B side in diaper 1, waist gauffer is formed Waist elastic members 64 are configured in the X direction with extended state, form waist by the contraction of waist elastic members 64 Gauffer.Three-dimensional gauffer formation is described in detail below with the fixed position of sheet material 62 and face sheet 2.
As shown in Figure 2 to 4, absorber 4 has the absorbent core 41 comprising absorbing polymeric, in diaper 1, also has The coating member 42 of cladding absorbent core 41.In diaper 1, absorber 4 is by by the hydrophilic sheet as liquid permeability Coating member 42 is coated on the absorbent core 41 of longer liquid retainability on longitudinal direction (Y-direction) and is formed.In addition, in diaper 1 In, as shown in Figure 3, Figure 4, in the way of the both sides of a coating member 42 of turning back make the side edge part of coating member 42 overlap each other Cladding absorbent core 41 is but it is also possible to include absorbent core 41 using 2 coating members being individually separated.
In general, the veutro of veutro portion A, drosal part B and crotch C and absorber 4 of absorbent commodity (such as diaper) Portion A, drosal part B and crotch C are substantially uniform respectively.
As shown in Fig. 2, Fig. 5, absorbent core 41 has the shrinking portion 41c in the inside square shrinking of crotch C.Specifically, such as Shown in Fig. 2, Fig. 5, in absorbent core 41, the left and right sides edge ratio crotch C respectively of the left and right sides edge of veutro portion A and drosal part B Left and right sides edge more stretch out to transverse direction (X-direction) foreign side.And, in diaper 1, the left and right sides edge of crotch C is to horizontal stroke side Into (X-direction), side bends to arc-shaped, has the crotch C inwardly square shrinking as longitudinal direction (Y-direction) central part on the whole Shape.In diaper 1, as shown in figure 5, in absorbent core 41, overall width Wa of veutro portion A is more than the entirety of drosal part B Width Wb is the narrowest positioned at overall width Wc of the shrinking portion 41c of crotch C.In addition, width Wa, Wb are in position finding the widest Value, width Wc is the value in position finding the narrowest.
As shown in Fig. 2, Fig. 5, absorbent core 41 has boxed area 411, and this boxed area 411 is passed through will be (single by grammes per square metre Position area quality) multiple protuberances 43 of of a relatively high convex and surround the relatively low groove portion 44 of grammes per square metre of each protuberance 43 and formed Massive structure 400 from veutro portion A until drosal part B configures multiple on longitudinal direction (Y-direction) and is formed, in diaper 1, and also There is the non-boxed area 412 of the periphery surrounding boxed area 411.Non- boxed area 412 is same with the protuberance 43 of high grammes per square metre, gram Weight is of a relatively high.
In diaper 1, as shown in Fig. 2, Fig. 5, the groove portion 44 of absorbent core 41 is included along indulging that longitudinal direction (Y-direction) extends The groove 44Y and translot 44X extending along transverse direction (X-direction).Therefore, in diaper 1, as shown in Fig. 2, Fig. 5, absorbent core 41 Boxed area 411 by by massive structure 400 from veutro portion A until drosal part B on longitudinal direction (Y-direction) continuously configuration and Formed, this massive structure 400 includes:The pod 44Y extending along longitudinal direction (Y-direction);The translot extending along transverse direction (X-direction) 44X;At the position (position of grid hole) being marked off by pod 44Y and translot 44X and each with groove 44Y and translot 44X with configuring The protuberance 43 of the high grammes per square metre of the higher multiple lengthwises of grammes per square metre is compared at individual position.In addition, in diaper 1, as shown in Figure 2, Figure 4 shows, structure The pod 44Y becoming groove portion 44 extends parallel to longitudinal direction (Y-direction), but as long as extending along longitudinal direction (Y-direction), can be both song Line, also tiltably extends.The translot 44X constituting groove portion 44 is also identical.
In diaper 1, as shown in Fig. 2, Fig. 5, the boxed area 411 of absorbent core 41 is formed as the abdomen of boxed area 411 The width Wb1 of the width Wa1 of sidepiece 411a and drosal part 411b is respectively greater than the width Wc1 of crotch 411c of boxed area 411. Specifically illustrate, as shown in figure 5, the boxed area 411 of diaper 1 can be greatly classified into veutro portion A configuring in diaper 1 Boxed area 411a of the veutro of side, boxed area 411b of dorsal part in the drosal part B side of diaper 1 for the configuration, configuration are in veutro Boxed area 411a and boxed area 411b of dorsal part between crotch this 3 kinds of boxed area 411c.And, the abdomen of rectangle Boxed area 411b of the dorsal part of boxed area 411a of side, boxed area 411c of the crotch of rectangle and rectangle is from veutro portion A Until drosal part B continuously configures on longitudinal direction (Y-direction).Boxed area 411a of veutro and boxed area 411b of dorsal part More stretch out to width (X-direction) foreign side than boxed area 411c of crotch respectively.In diaper 1, the boxed area of veutro The width (the width Wa1 of veutro portion 411a of boxed area 411) of 411a and width (the block area of boxed area 411b of dorsal part The width Wb1 of the drosal part 411b in domain 411) identical.Additionally, width (the crotch of boxed area 411 of boxed area 411c of crotch The width Wc1 of portion 411c) the narrowest.In addition, width Wa1, Wb1 are the values in position finding the widest, width Wc1 is the narrowest The value of position finding.In diaper 1, as described above, as shown in Fig. 2, Fig. 5, the crotch C inwardly square shrinking of absorbent core 41, and And constitute the crotch C also inside square shrinking of the boxed area 411 of absorbent core 41.
The boxed area 411 of the absorbent core 41 shown in Fig. 5 is more specifically illustrated.In absorbent core 41, such as Shown in Fig. 5, boxed area 411b of dorsal part is formed as follows:Protuberance 43 rule being marked off by pod 44Y and translot 44X The massive structure that ground is configured with 5 on transverse direction (X-direction) and is formed, regularly in longitudinal direction (Y-direction) upper configuration 4 row. Additionally, as shown in figure 5, boxed area 411c of crotch is formed as follows:Protuberance 43 is regularly on transverse direction (X-direction) The massive structure being configured with 3 and being formed, regularly in longitudinal direction (Y-direction) upper configuration 7 row.Additionally, as shown in figure 5, veutro Boxed area 411a formed as follows:The protuberance 43 being marked off by pod 44Y and translot 44X is regularly in transverse direction (X Direction) on the massive structure that is configured with 5 and formed, regularly configure 4 row longitudinal direction (Y-direction) is upper.In absorbent core 41 Boxed area 411 in, as shown in figure 5,4 in 6 pod 44Y extending along longitudinal direction (Y-direction) respectively from veutro portion A Until drosal part B is configured to linearly.
In the absorbent commodity of the present invention, as described above, there is penetration by liquid between absorber 4 and face sheet 2 The intermediate sheet 5 of property.The intermediate sheet 5 of liquid permeability is so-called layer of sheet material, and covers the block area of absorbent core 41 The part in domain 411, the vertical side of the length of the longitudinal direction (Y-direction) of this intermediate sheet 5 boxed area 411 than absorbent core 41 Short to the length of (Y-direction), and bias configures in the veutro portion A side of absorbent core 41.Specifically illustrate, such as Fig. 2, figure Shown in 5, the intermediate sheet 5 of diaper 1 is the sheet material of longer rectangle on longitudinal direction (Y-direction).In addition, in diaper 1, middle Sheet material 5 is the sheet material of rectangle, but is not limited to this shape.On longitudinal direction (Y-direction), intermediate sheet 5 such as Fig. 2 of diaper 1, Shown in Fig. 5, across absorbent core 41 shrinking portion 41c extend to drosal part B from veutro portion A.Additionally, in diaper 1, as above Described, constitute the crotch C also inside square shrinking of the boxed area 411 of absorbent core 41, the intermediate sheet 5 of diaper 1 is also across block The shrinking portion of crotch C in shape region 411 and extend to the drosal part B (block of dorsal part from veutro portion A (boxed area 411a of veutro) Shape region 411b).
Additionally, on longitudinal direction (Y-direction), as described above, in the boxed area 411 of diaper 1, the boxed area of veutro Boxed area 411b of 411a, boxed area 411c of crotch and dorsal part is from veutro portion A until drosal part B is in longitudinal direction (Y side To) on continuously configure, therefore, so-called " length of the longitudinal direction (Y-direction) of intermediate sheet 5 is than the block area of absorbent core 41 The length of the longitudinal direction (Y-direction) in domain 411 is short " refer to, boxed area 411a than veutro for the intermediate sheet 5, the block area of crotch The length of total longitudinal direction (Y-direction) of boxed area 411b of domain 411c and dorsal part is short.And, as shown in Fig. 2, Fig. 5, in Between sheet material 5 bias in the veutro portion A side of absorbent core 41, that is, veutro portion A of the boxed area 411 of absorbent core 41 (veutro Boxed area 411a) side and configure, and cover boxed area 411 a part.In other words, as shown in figure 5, absorbent core 41 Boxed area 411 more extends to longitudinal direction (Y-direction) foreign side than intermediate sheet 5 in drosal part B, the drosal part B of boxed area 411 The part of (boxed area 411b of dorsal part) is exposed.In addition, in diaper 1, as shown in figure 5, the veutro portion of boxed area 411 A part of A (boxed area 411a of veutro) is also exposed, but is formed as drosal part B (the block area of dorsal part of boxed area 411 Domain 411b) expose area be more than boxed area 411 veutro portion A (boxed area 411a of veutro) expose area.
In diaper 1, as shown in figure 5, absorbent core 41 has in the respective corner of rear ends of longitudinal direction (Y-direction) Shrinking portion 41ea, the 41eb protruding to inward side.On longitudinal direction (Y-direction), as shown in figure 5, the veutro portion of boxed area 411 411a crosses the position Wa the widest in veutro portion A of absorbent core 41 and crosses the position Ka of outward side and side outward Extend.And, in diaper 1, as shown in figure 5, intermediate sheet 5 extends near above-mentioned position Ka.By joining in above-mentioned position It is equipped with intermediate sheet 5, play what the shape after the excretion of veutro portion 411a of boxed area 411 that suppression Excreta is concentrated was damaged Effect.
Additionally, on transverse direction (X-direction), as shown in Fig. 2, Fig. 5, the intermediate sheet 5 of diaper 1 crosses boxed area 411 And reach the non-boxed area 412 being located at the both sides along longitudinal direction (Y-direction) of absorbent core 41 respectively.Specifically said Bright, the intermediate sheet 5 of diaper 1 is formed as the length of the transverse direction (X-direction) than absorbent core 41 on transverse direction (X-direction) Short, the lateral margin along longitudinal direction (Y-direction) of intermediate sheet 5 is located in the non-boxed area 412 of absorbent core 41.In diaper 1, As shown in Fig. 2, Fig. 5, the lateral margin along its longitudinal direction (Y-direction) of intermediate sheet 5 is each in veutro portion A, crotch C and drosal part B In individual, cross boxed area 411b of boxed area 411a of veutro, boxed area 411c of crotch and dorsal part respectively and be located at In the non-boxed area 412 of absorbent core 41.Like this, in diaper 1, in crotch C, intermediate sheet 5 along longitudinal direction (Y side To) lateral margin also be located in non-boxed area 412 but it is also possible to be, in crotch C, intermediate sheet 5 along longitudinal direction (Y-direction) Lateral margin cross non-boxed area 412 and extend, in each of veutro portion A and drosal part B, intermediate sheet 5 along longitudinal direction The lateral margin of (Y-direction) is located in non-boxed area 412.By being configured with intermediate sheet 5 in above-mentioned position, make boxed area 411 The rigidity of width become uniform, therefore, play following effect:Easily equably bent when width compresses, The damage of the shape of the boxed area 411 that suppression is led to because of the activity of the lower limb of wearer.
When absorbent core 41 is in for disposable diaper 1, 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 beam overall of the transverse direction (X-direction) of veutro portion A of absorbent core 41 is more than 50mm, preferably more than 70mm, and For below 200mm, preferably below 150mm, more specifically, preferably more than 50mm below 200mm, and then preferably 70mm Above below 150mm.
The beam overall of the transverse direction (X-direction) of the drosal part B of absorbent core 41 is more than 50mm, preferably more than 70mm, and For below 200mm, preferably below 150mm, more specifically, preferably more than 50mm below 200mm, and then preferably 70mm Above below 150mm.
The beam overall of the transverse direction (X-direction) of crotch C of absorbent core 41 is more than 25mm, preferably more than 40mm, and is Below 115mm, preferably below 85mm, more specifically, preferably more than 25mm below 115mm, so preferably 40mm with Upper below 85mm.
In addition, above-mentioned total length is the value in position finding the longest, above-mentioned beam overall is in veutro portion A and drosal part B The value of wide position finding, is the value in position finding the narrowest in crotch C.
When boxed area 411 is in for disposable diaper 1, the length of its longitudinal direction (Y-direction) is the Y of absorbent core 41 More than the 70% of the total length in direction, preferably more than 85% length, and the length for less than 98%, preferably less than 95%, More specifically, preferably less than more than 70% 98% length, so preferably less than more than 85% 95% length.
When boxed area 411 is in for disposable diaper 1, the length of its transverse direction (X-direction) is the X of absorbent core 41 More than the 30% of the beam overall in direction, preferably more than 50% length, and the length for less than 90%, preferably less than 70%, More specifically, preferably less than more than 30% 90% length, so preferably less than more than 50% 70% length.
When veutro portion 411a of boxed area 411 is in for disposable diaper 1, the length of its transverse direction (X-direction) is The beam overall of the X-direction of veutro portion A of absorbent core 41 more than 30%, be preferably more than 50% length, and for less than 90%, Be preferably less than 70% length, more specifically, preferably less than more than 30% 90% length, and then preferably 50% with Upper less than 70% length.
When veutro portion 411a of boxed area 411 is in for disposable diaper 1, the length of its longitudinal direction (Y-direction) is More than 30mm, preferably more than 50mm, and be below 150mm, preferably below 120mm, more specifically, preferably 30mm with Upper below 150mm, and then preferably more than 50mm below 120mm, and the length of its transverse direction (X-direction) is more than 40mm, excellent Elect more than 50mm as, and be below 180mm, preferably below 130mm, more specifically, preferably more than 40mm 180mm with Under, and then preferably more than 50mm below 130mm.
When the drosal part 411b of boxed area 411 is in for disposable diaper 1, the length of its transverse direction (X-direction) is The beam overall of the X-direction of drosal part B of absorbent core 41 more than 30%, be preferably more than 50% length, and for less than 90%, Be preferably less than 70% length, more specifically, preferably less than more than 30% 90% length, and then preferably 50% with Upper less than 70% length.
When the drosal part 411b of boxed area 411 is in for disposable diaper 1, the length of its longitudinal direction (Y-direction) is More than 50mm, preferably more than 70mm, and be below 200mm, preferably below 150mm, more specifically, preferably 50mm with Upper below 200mm, and then preferably more than 70mm below 150mm, and the length of its transverse direction (X-direction) is more than 40mm, excellent Elect more than 50mm as, and be below 180mm, preferably below 130mm, more specifically, preferably more than 40mm 180mm with Under, and then preferably more than 50mm below 130mm.
When crotch 411c of boxed area 411 is in for disposable diaper 1, the length of its longitudinal direction (Y-direction) is More than 100mm, preferably more than 150mm, and be below 240mm, preferably below 220mm, more specifically, preferably More than 100mm below 240mm, and then preferably more than 150mm below 220mm, and the length of its transverse direction (X-direction) is 20mm More than, preferably more than 30mm, and be below 100mm, preferably below 70mm, more specifically, preferably more than 20mm Below 100mm, and then preferably more than 30mm below 70mm.
In addition, the length of above-mentioned longitudinal direction (Y-direction) is the value in position finding the longest, above-mentioned transverse direction (X-direction) Length be value in position finding the longest in veutro portion A and drosal part B, be the value in position finding the shortest in crotch C.
When non-boxed area 412 is in for disposable diaper 1, the respective longitudinal direction in both ends of longitudinal direction (Y-direction) The length of (Y-direction) is preferably the length of less than more than the 2% 10% of the total length of Y-direction of absorbent core 41.Specifically, on The length stating longitudinal direction (Y-direction) is preferably more than 5mm below 40mm.In addition, the length of above-mentioned longitudinal direction (Y-direction) is The value of wide position finding.
When non-boxed area 412 is in for disposable diaper 1, along the respective horizontal stroke side in both sides of longitudinal direction (Y-direction) To (X-direction) length veutro portion A be preferably absorbent core 41 veutro portion A X-direction beam overall more than 5% 30% with Under length, crotch C be preferably absorbent core 41 crotch C X-direction beam overall less than more than 5% 30% length, In less than more than the 5% 30% of the drosal part B preferably beam overall of the X-direction of the drosal part B of absorbent core 41 length.Concrete and Speech, the above-mentioned length of the transverse direction (X-direction) in veutro portion A for the non-boxed area 412 is preferably more than 10mm below 40mm, in the back of the body The above-mentioned length of the transverse direction (X-direction) of sidepiece B is preferably more than 10mm below 40mm, in the transverse direction (X-direction) of crotch C Above-mentioned length is preferably more than 10mm below 30mm.In addition, veutro portion A and the respective above-mentioned transverse direction (X-direction) of drosal part B Length be value in position finding the widest, the length of the above-mentioned transverse direction (X-direction) of crotch C is in position finding the narrowest Value.
When intermediate sheet 5 is in for disposable diaper 1, the length of its longitudinal direction (Y-direction) is the Y side of absorbent core 41 To total length more than 20%, be preferably more than 30% length, and for less than 80%, be preferably less than 70% length, more Specifically, preferably less than more than 20% 80% length, so preferably less than more than 30% 70% length.And, The length of its longitudinal direction (Y-direction) is more than the 30% of the total length of Y-direction of boxed area 411, preferably more than 40% length Degree, and the length for less than 85%, preferably less than 75%, more specifically, preferably less than more than 30% 85% length, And then preferably less than more than 40% 75% length.
Additionally, when intermediate sheet 5 is in for disposable diaper 1, the length of its transverse direction (X-direction) is absorbent core 41 The total length of X-direction more than 30%, be preferably more than 40% length, and for less than 90%, be preferably less than 80% length Degree, more specifically, preferably less than more than 30% 90% length, so preferably less than more than 40% 80% length. And, the length of its transverse direction (X-direction) be the total length of X-direction of boxed area 411 more than 100%, be preferably 105% with On length, and for less than 150%, be preferably less than 130% length, more specifically, preferably more than 100% 150% Following length, so preferably less than more than 105% 130% length.
When intermediate sheet 5 is in for disposable diaper 1, the length of its longitudinal direction (Y-direction) is more than 120mm, preferably Length for more than 150mm, and the length for below 400mm, preferably below 300mm, more specifically, preferably 120mm Above below 400mm, and then preferably more than 150mm below 300mm, and the length of its transverse direction (X-direction) be more than 45mm, It is preferably the length of more than 55mm, and the length for below 115mm, preferably below 85mm, more specifically, preferably 45mm Above below 115mm, and then preferably more than 55mm below 85mm.In addition, the length of above-mentioned longitudinal direction (Y-direction) is the longest Position finding value, the length of above-mentioned transverse direction (X-direction) is also the value in position finding the widest.
Intermediate sheet 5 bias configures in the veutro portion A side of absorbent core 41, and when in for disposable diaper 1, in Between sheet material 5 the longitudinal direction (Y-direction) of the ora terminalis of veutro portion A side of longitudinal direction (Y-direction) and absorbent core 41 veutro portion A side Ora terminalis interval L5, than the vertical side of ora terminalis and the absorbent core 41 of the drosal part B side of the longitudinal direction (Y-direction) of intermediate sheet 5 Short to the interval L6 of the ora terminalis of the drosal part B side of (Y-direction).When in for disposable diaper 1, interval L5 be more than 10mm, It is preferably the length of more than 25mm, and the length for below 70mm, preferably below 50mm, more specifically, preferably 10mm Above below 70mm, and then preferably more than 25mm below 50mm, interval L6 is more than 50mm, the length being preferably more than 70mm Degree, and the length for below 140mm, preferably below 120mm, more specifically, preferably more than 50mm below 140mm, enters And preferably more than 70mm below 120mm.
More detailed to constituting the protuberance 43 of boxed area 411 and the size of groove portion 44 (translot 44X, pod 44Y), grammes per square metre etc. Ground is described.
In diaper 1, as shown in Fig. 2, Fig. 5, when overlooking, protuberance 43 is formed as longer square on longitudinal direction (Y-direction) Shape shape.In addition, in diaper 1, when overlooking protuberance 43, it is formed as rectangle, but corner is alternatively arc-shaped, alternatively polygon Shape, ellipse, combinations thereof etc..
As the protuberance 43 of diaper 1, when absorbent commodity is used in such as disposable diaper, as shown in figure 5, its vertical side It is more than 5mm, is preferably the length of more than 15mm to length L1 of (Y-direction), and for below 30mm's, preferably below 25mm Length, more specifically, preferably more than 5mm below 30mm, and then preferably more than 15mm below 25mm.Additionally, its horizontal stroke side It is more than 3mm, is preferably the length of more than 5mm to length L2 of (X-direction), and for below 20mm's, preferably below 15mm Length, more specifically, preferably more than 3mm below 20mm, and then preferably more than 5mm below 15mm.In addition, length L1, L2 is the value in position finding the widest.
The groove portion 44 of diaper 1, when absorbent commodity is used in such as disposable diaper, as shown in figure 5, along transverse direction (X Direction) the width L3 of the translot 44X of wire that extends is more than 0.5mm, the length being preferably more than 1mm, and for below 5mm, Be preferably below 3mm length, more specifically, preferably more than 0.5mm below 5mm, and then preferably more than 1mm 3mm with Under.Additionally, the width L4 of the pod 44Y of the wire extending along longitudinal direction (Y-direction) is more than 0.5mm, is preferably more than 1mm's Length, and the length for below 5mm, preferably below 3mm, more specifically, preferably more than 0.5mm below 5mm, Jin Eryou Elect more than 1mm below 3mm as.In addition, width L3, L4 are at the position of the bottom of the recess in the sag and swell of absorber 4 Measured value.
Translot 44X and pod 44Y is formed with identical depth, and the thickness of groove portion 44 (translot 44X, pod 44Y) is preferably Less than more than the 30% 90% of the thickness of protuberance 43.Specifically, the thickness of groove portion 44 (translot 44X, pod 44Y) is 1.5mm Above, it is preferably the length of more than 2.5mm, and the length for below 4.5mm, preferably below 4mm, more specifically, preferably For more than 1.5mm below 4.5mm, and then preferably more than 2.5mm below 4mm.The thickness of protuberance 43 is more than 2mm, is preferably The length of more than 3mm, and for below 8mm, be preferably below 7mm length, more specifically, preferably more than 2mm 8mm with Under, and then preferably more than 3mm below 7mm.The thickness of non-boxed area 412 is identical with the thickness of protuberance 43.
In addition, protuberance 43, groove portion 44 (translot 44X, pod 44Y) and the thickness of non-boxed area 412 are to cut sample Become given size, 5kPa to measurement site pressurize 10 minutes, and except weight after be measured immediately obtained by.
Measurement site be directed to each sample using include respectively veutro portion A, crotch C, drosal part B any 1 at more than 3 at more than, averagely draw thickness using 2 diaper samples (measurement site be 6 at more than).For example utilize sharp razor Longitudinal direction (Y-direction) shown in along Fig. 2 or transverse direction (X-direction) cut-out diaper 1, measure the section of the sample after this cut-out.? When being difficult to be measured by naked eyes, for example also can be using microscope (KEYENCE company manufactures VHX-1000), with 20~100 Multiplying power again is observed and is measured the section of the sample after above-mentioned cut-out.
When absorbent commodity is used in such as disposable diaper, from the viewpoint of lifting flexibility and absorbability, excellent The grammes per square metre selecting groove portion 44 (translot 44X, pod 44Y) is more than the 20% of the grammes per square metre of protuberance 43, preferably more than 30%, and is Less than 80%, preferably less than 70%, more specifically, preferably less than more than 20% 80%, and then preferably more than 30% Less than 70%.
Specifically, the grammes per square metre of preferably groove 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, and then preferably 150g/m2Above 400g/m2Below.Furthermore it is preferred that the grammes per square metre of protuberance 43 is 300g/m2More than, 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 the grammes per square metre of protuberance 43 Identical.
The grammes per square metre of protuberance 43 and groove portion 44 (translot 44X, pod 44Y) measures as follows.
The assay method > of < grammes per square metre
The following institute of assay method of the grammes per square metre of protuberance 43, groove portion 44 (translot 44X, pod 44Y) and non-boxed area 412 State.
The single-blade razor being manufactured using FEATHER company, (translot 44X, vertical along protuberance 43 and the groove portion 44 of absorbent core 41 Groove 44Y) boundary line cut off.Using electronic balance (the electronic balance GR-300 that A&D company manufactures, precision:After arithmetic point 4) respectively measure cut-out gained protuberance 43 10 small pieces, obtain the average weight of 1 small pieces of protuberance 43.Will be calculated Each small pieces divided by protuberance 43 for the average weight average area, and calculate the grammes per square metre of protuberance 43.Non- boxed area 412 Grammes per square metre is also calculated in the grammes per square metre identical mode with protuberance 43.
Then, the boundary line above extending in longitudinal direction (Y-direction) along protuberance 43 with groove portion 44 (pod 44Y), according to length Spend the mode that the design size for the width of 100mm, width and groove portion 44 (pod 44Y) matches, using FEATHER company system The single-blade razor made, cuts out 5 small pieces of the groove portion 44 (pod 44Y) of fine strip shape.For 5 small pieces being obtained, using electricity Sub- balance (the electronic balance GR-300 of A&D company manufacture, precision:4 after arithmetic point) be measured respectively, and carry out average and Obtain the average weight of 1 small pieces of groove portion 44 (pod 44Y).By calculated average weight divided by groove portion 44 (pod 44Y) Each small pieces average area, and calculate the grammes per square metre of groove portion 44 (pod 44Y).Groove portion 44 (translot 44X) also with groove portion 44 (pod 44Y) identical mode calculates grammes per square metre.
In the absorber 4 of diaper 1, protuberance 43 is with non-boxed area 412 compared with groove portion 44 (translot 44X, pod 44Y) It is shaped generally as identical density or high density.
When absorbent commodity is used in such as disposable diaper, from the viewpoint of lifting liquid diffusibility, preferably groove The density in portion 44 (translot 44X, pod 44Y) is more than the 50% of the density of protuberance 43, preferably more than 75%, and be 100% Hereinafter, preferably less than 95%, more specifically, preferably less than more than 50% 100%, and then preferably more than 75% 95% Below.
Specifically, the density of preferably groove portion 44 (translot 44X, pod 44Y) is 0.05g/cm3More than, preferably 0.07g/cm3More than, and be 0.15g/cm3Hereinafter, preferably 0.13g/cm3Hereinafter, more specifically, preferably 0.05g/cm3 Above 0.15g/cm3Hereinafter, and then preferably 0.07g/cm3Above 0.13g/cm3Below.Furthermore it is preferred that the density of protuberance 43 is 0.05g/cm3More than, preferably 0.07g/cm3More than, and be 0.15g/cm3Hereinafter, preferably 0.13 g/cm3Hereinafter, more For body, preferably 0.05g/cm3Above 0.15g/cm3Hereinafter, and then preferably 0.07g/cm3Above 0.13g/cm3Below. The density of non-boxed area 412 is identical with the density of protuberance 43.
The density of protuberance 43, non-boxed area 412 and groove portion 44 (translot 44X, pod 44Y) is will to be asked by said method The grammes per square metre of the protuberance 43, non-boxed area 412 and low-density portion 44 that go out is divided by the respective thickness obtained by said method Calculate.
As described above, as shown in Figure 3, Figure 4, the protuberance 43 of absorbent core 41 and groove portion 44 (translot 44X, pod 44Y) Body shapes, and non-boxed area 412 is also integrally formed with protuberance 43 and groove portion 44 (translot 44X, pod 44Y).Herein, so-called " one Body shapes " refer to protuberance 43, groove portion 44 (translot 44X, pod 44Y) and non-boxed area 412 not via bonding agent or heat welding Inseparable ground integrated each other etc. engagement means, and be formed from the same material and be integrated.Like this, protuberance 43, groove portion 44 When (translot 44X, pod 44Y) and non-boxed area 412 are integrally formed, there is the seriality that body fluid can successfully move.Right The manufacture method of this kind of absorber 4 is described hereinafter.
Additionally, the recess (groove) to face sheet 2 side depression having in irregular massive structure 400 of absorbent core 41 Mainly formed by groove portion 44 (translot 44X, pod 44Y), facesheet 3 pleurapophysis of supporting or opposing in the massive structure 400 of absorbent core 41 The protuberance going out mainly is formed by protuberance 43 and non-boxed area 412.Herein, so-called " recess is mainly formed by groove portion 44 " includes example As the protuberance 43 near the border of groove portion 44 and protuberance 43 forms the situation of a part for this recess, similarly, so-called " protuberance master To be formed by protuberance 43 and non-boxed area 412 " include the such as border of protuberance 43 and groove portion 44 near groove portion 44 form this The situation of a part for protuberance.
Additionally, as shown in Figure 3, Figure 4, the groove portion 44 of the absorbent core 41 of diaper 1 is in the thickness direction T upward bias of diaper 1 In face sheet 2 side (skin of absorber 4 is relative to surface side).As shown in Figure 3, Figure 4, in the absorbent core 41 of diaper 1, absorbability The non-skin of core 41 becomes the irregular massive structure 400 of tool relative to surface side, and the skin of absorbent core 41 is flat relative to surface side.
Additionally, in diaper 1, as shown in Figure 3, Figure 4, absorbent core 41 groove portion 44 (translot 44X, pod 44Y) with It is formed with space 9 between coating member 42.That is, in absorber 4, it is formed with by the irregular massive structure of tool of absorbent core 41 400 spaces 9 being formed with the coating member 42 coating absorbent core 41.As described above, in diaper 1, as shown in Figure 3, Figure 4, groove Portion 44 (translot 44X, pod 44Y) is formed at the back-sheet 3 (non-skin opposite face) of absorbent core 41 on the whole lattice-shaped Side, is configured with protuberance 43 in the position of grid hole, and groove portion 44 (translot 44X, pod 44Y) is formed in the way of surrounding protuberance 43. Therefore, in diaper 1, as shown in Fig. 2, Fig. 5, from the translot 44X being recessed to face sheet 2 side and coating member 42 formed multiple Space 9X is corresponding with translot 44X, continuously extends respectively on transverse direction (X-direction), from the pod being recessed to face sheet 2 side Multiple space 9Y of 44Y and coating member 42 formation are corresponding with pod 44Y, continuously extend respectively on longitudinal direction (Y-direction).
In diaper 1, absorbent core 41 is fixed via bonding agent with the coating member 42 coating absorbent core 41, and forms suction Acceptor 4.Additionally, coating member 42 is fixed by bonding agent 5h with intermediate sheet 5.And, absorber 4 is across being fixed by bonding agent 5h Intermediate sheet 5 and to pass through bonding agent and face sheet 2 fixing and fixing with back-sheet 3 via bonding agent.Especially in diaper In 1, as shown in Fig. 3, Fig. 5, the coating member 42 of fixing absorber 4 and the bonding agent 5h of intermediate sheet 5 are with longitudinal direction (Y-direction) On pass through the mode of the protuberance 43 constituting boxed area 411, apply shape in alignment longitudinal direction (Y-direction) is upper, and in urine Discontinuously apply on the transverse direction (X-direction) of cloth 1.Like this, bonding agent 5h is when as shown in Figure 3 in terms of section, in horizontal stroke It is configured without on the pod 44Y of absorbent core 41 on direction (X-direction), as shown in figure 5, by longitudinal direction (Y-direction) In the group of protuberance 43 that the multiple protuberances 43 discontinuously configuring are formed, so that the side of each protuberance 43 to be traversed on longitudinal direction (Y-direction) Formula applies shape in alignment.And, bonding agent 5h, when as shown in Figure 3 in terms of section, is coated in transverse direction (X side To) in the group of each protuberance 43 that discontinuously configures.In addition, the bonding agent 5h of diaper 1 is in crotch C of absorbent core 41, such as scheme 3rd, shown in Fig. 5, it is also coated with shape in alignment being located at along in the non-boxed area 412 of the both sides of longitudinal direction (Y-direction).Logical Cross and be coated with bonding agent 5h in above-mentioned position, so that intermediate sheet 5 is difficult curved with respect to the longitudinal direction (Y-direction) during wearing diaper Bent and float, it is possible to increase to absorb the shape retention of the absorber after body fluid.
In diaper 1, bonding agent 5h is discontinuously applied on transverse direction (X-direction) using such as coating machine, and in vertical side Apply shape in alignment to (Y-direction) is upper, integrally come to apply naturally striated.The application width of each bonding agent 5h is preferably More than 0.5mm below 5mm.Preferably, the grammes per square metre of the coating of bonding agent 5h is 0.1g/m2More than, preferably 0.2g/m2More than, And be 15g/m2Hereinafter, preferably 10g/m2Hereinafter, more specifically, preferably 0.1g/m2Above 15g/m2Hereinafter, Jin Eryou Elect 0.2g/m as2Above 10g/m2Below.
As described above, as shown in FIG. 1 to 3, diaper 1 has a pair three-dimensional wrinkle along the both sides of longitudinal direction (Y-direction) Pleat 6,6.In drosal part B, the three-dimensional gauffer forming each solid gauffer 6 forms the fixed position with sheet material 62 and face sheet 2 62h is as shown in Fig. 2 more lean on longitudinal direction (Y-direction) foreign side than intermediate sheet 5, and is in as shown in Figure 2 respectively positioned at absorbent core In the 41 non-boxed area 412 of the both sides along longitudinal direction (Y-direction).As shown in figure 4, fixed position 62h is not located at Width (X-direction) foreign side, the three-dimensional gauffer of absorber 4 forms the fixed position with sheet material 62 and face sheet 2, at least A part is disposed on the fixed position of the end of drosal part B side of the longitudinal direction (Y-direction) on absorbent core 41.Like this, On longitudinal direction (Y-direction), on the absorbent core 41 that there is not intermediate sheet 5, the three-dimensional gauffer of configuration formed with sheet material 62 with The fixed position 62h of face sheet 2, thus utilizes the contraction of elastomeric element 61 and leg elastic members 63, makes than intermediate sheet 5 More easily bend along longitudinal direction (Y-direction) to the absorbent core 41 that longitudinal direction (Y-direction) foreign side extends when dressing diaper, and On transverse direction (X-direction), the non-boxed area 412 of both sides being located at absorbent core 41 respectively is configured with above-mentioned fixed bit Put 62h, thus easily form ridge shape thing along the translot 44X of the boxed area 411 of absorbent core 41 extending to above-mentioned foreign side, from And it is prevented from the leakage of soft stool etc..
Then, the absorber 4 diaper 1 being had, that is, include protuberance 43 (high density), non-boxed area 412 (highly dense Degree) and groove portion 44 (low-density) (translot 44X, pod 44Y) integrally formed obtained by absorbent core 41 absorber 4 manufacturer Method illustrates.
Fig. 6 represents an embodiment and the manufacture device used in it of the manufacture method of absorber 4.Absorber 4 Manufacture device includes:Rotating cylinder 50, it is in arrow R1 direction rotation driving;Conduit 60, it is using the raw material as absorbent core 41 The absorbent material 45 comprising absorbing polymeric supply to the outer peripheral face of rotating cylinder 50;Transfer roller 70, its configuration is in rotating cylinder The obliquely downward in 50 downstream, and in arrow R2 direction rotation driving;Vacuum tank 65, its configuration is in the circumference of rotating cylinder 50 Between conduit 60 and transfer roller 70;The guipure 75 as breathability feature of lamellar, it is with by vacuum tank 65 and rotating cylinder 50 Between mode and transfer roller 70 and rotating cylinder 50 between configure;With suction conveyor 80, its configuration is in the lower section of transfer roller 70.
As shown in fig. 6, rotating cylinder 50 is formed as cylindric, by the power from motor prime movers so that forming it The part of outer peripheral face rotates around trunnion axis.Non-rotating part in the inner side (rotation shaft side) of rotating cylinder 50 is formed with can will be interior The space 56 of portion's decompression.In space 56, it is connected with the known exhaust apparatus (not shown) such as drawing fan, is filled by making this aerofluxus Put action, negative pressure can be maintained by space 56.On the other hand, in the space 57 of the inner side (rotation shaft side) of rotating cylinder 50 With 58, it is connected with the pipe arrangement (not shown) being capable of air outside suction apparatus.
As shown in fig. 6, in the outer peripheral face of rotating cylinder 50, separating in direction r 1 and be equally spaced formed with multiple shapes and want The shape corresponding cylinder recess 51 of the absorbent core 41 manufacturing.In the bottom surface sections of each cylinder recess 51, as shown in fig. 7, configuration is tangible Become to have web plate 52 and metal system or the resinous hardly possible breathability feature 53 of multiple pores.Herein, difficult breathability feature 53 is with prominent The mode going out on web plate 52 is arranged, and with the shape and the corresponding side in position with above-mentioned groove portion 44 (translot 44X, pod 44Y) Formula configures.As shown in fig. 7, the region 54 of web plate 52 only including being divided by the difficult breathability feature 53 configuring in the above-described manner becomes It is part corresponding with protuberance 43, only include the web plate 52 in the periphery whole region of part being divided by difficult breathability feature 53 Region 55 become part corresponding with non-boxed area 412.Additionally, not forming the outer peripheral face of the rotating cylinder 50 of a recess 51 Part, formed by the framework of the rotating cylinder 50 comprising metal rigid body, be non-breathable.
As shown in fig. 6, a side of conduit 60 covers the periphery being located at the rotating cylinder 50 being maintained on the space 56 of negative pressure Face, has fibrous material gatherer in another side (not shown).Fibrous material gatherer for example includes destructor, this powder The wood pulp of lamellar is pulverized and as solution fiber paper pulp, the fine paper pulp (fibrous material) of this solution is fed through in conduit by millstone, Include the absorbing polymeric introduction part importing absorbing polymeric in the midway of conduit 60.
Transfer roller 70 includes the peripheral part with the cylindrical shape of breathability, and is subject to the power from motor prime movers, Its peripheral part is rotated up in R2 side.In the non-rotating part of the inner side (rotation shaft side) of transfer roller 70, being formed with can Space 71 by inner pressure relief.In space 71, it is connected with the known exhaust apparatus (not shown) such as drawing fan, by making this row Device of air action, can be maintained negative pressure by space 71.
, in direction of rotation R1 of rotating cylinder 50, configuration is in the end of downstream side 601 of conduit 60 and transfer roller for vacuum tank 65 Between 70.Vacuum tank 65 has the shape of box like, and has to rotating cylinder 50 direction opening at the position relative with rotating cylinder 50 Peristome.Vacuum tank 65 is connected with the known exhaust apparatus (not shown) such as drawing fan via exhaustor 67, by this row The action of device of air, can be maintained negative pressure by vacuum tank 65.
Guipure 75 is circlewise formed by the gas-permeable strip link of the banding with mesh, by multiple free rolls and transfer roller 70 guide and continuously move on the path of regulation.Guipure 75 is driven by the rotation of transfer roller 70.Guipure 75 is passing through Period in front of the above-mentioned peristome of vacuum tank 65, contact with the outer peripheral face of rotating cylinder 50, and in transfer roller 70 and rotating cylinder 50 Immediate closest near portion, from the outer peripheral face of rotating cylinder 50 leave and to transfer roller 70 shift.
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 tank 84, its configuration is in the position relative with transfer roller 70 across gas-permeable strip 83.
Then, the method being continuously manufactured by absorber 4 (absorbent core 41) using the manufacture device of above-mentioned absorber is entered Row explanation.
First, the exhaust apparatus action in the space 56 and vacuum tank 65 that are respectively connecting in rotating cylinder 50 is made to make rotation Become negative pressure in space 56 in cylinder 50 and vacuum tank 65.Its reason is by making in this way to become negative pressure in space 56, The air stream of the outer peripheral face that absorbent material 45 is delivered to rotating cylinder 50 is produced in conduit 60.Then, make rotating cylinder 50 He Transfer roller 70 rotates, and makes suction conveyor 80 action.Then, make above-mentioned fibrous material gatherer action, solution is fine Paper pulp (fibrous material) and absorbing polymeric supply to conduit 60.This absorbent material 45 is with the sky of flowing in conduit 60 Air-flow becomes the state of dispersing, and is supplied to the outer peripheral face of rotating cylinder 50.
The period being conveyed in the part being covered by conduit 60, will be recessed for cylinder that absorbent material 45 is pumped to rotating cylinder 50 Portion 51.As shown in figure 8, absorbent material 45 is gradually deposited on each region 54 of a recess 51 and the web plate 52 in region 55.? In the deposit 46 obtaining in this way, it is (difficult saturating that absorbent material 45 is deposited in the position formed on difficult breathability feature 53 Gas part 53 correspondence portion) 46a absorbent material 45 accumulating amount relatively fewer, other position (region 54 correspondence portion) 46b Relatively many with the accumulating amount of the absorbent material 45 of position (region 55 correspondence portion) 46c, thus deposit 46 is overall includes tool Irregular massive structure.
When rotating cylinder 50 rotates, when cylinder recess 51 reaches the relative position of vacuum tank 65, the deposit 46 in cylinder recess 51 By the suction from vacuum tank 65, become the state being adsorbed in guipure 75.Deposit 46 in cylinder recess 51 is in this condition It is transported to the front closest to portion of transfer roller 70 and rotating cylinder 50, and near this is closest to portion, by from transfer roller The suction of 70 sides, keeps the state being adsorbed on guipure 75 from cylinder recess 51 demoulding, shifts on transfer roller 70.
Like this, it is transferred to the deposit 46 with massive structure on transfer roller 70 together with guipure 75, keep absorption The state of the guipure 75 on transfer roller 70, is transported to the junction (bottom of transfer roller 70 with suction conveyor 80 Portion), in this junction, shifted on suction conveyor 80 by the suction of vacuum tank 84.
In the manufacture device of the absorber of present embodiment, as shown in fig. 6, comprising cotton paper or hydrophilic non-woven fabrics Coating member 42 is fed on the suction conveyor 80 before loading deposit 46, and deposit 46 is transferred on coating member 42.So Afterwards, and then using turnover board is (not shown) fold coating member 42, coat after deposit 46 using coating member 42, at predetermined intervals Cut off the deposit 46 of state being coated by coating member 42, before being continuously manufactured by cutting into the absorber of the size of an absorber Body thing 49.
Then, in the manufacture device of the absorber of present embodiment, compressed by pressing mechanism 90 and obtain in this way Absorber precursor 49, so that the thickness of the deposit 46 of composition absorbability precursor 49 is energetically reduced, thus obtaining target Absorber 4 (absorbent core 41).As shown in fig. 6, pressing mechanism 90 is configured to:A pair smoothing including the surface of at least one Roller 91,92, and the pressurized thing being directed between roller 91,92 can be pressurizeed from upper and lower surface, and carry out in a thickness direction Compression.
When compressing deposit 46 by pressing mechanism 90, absorbent material is relatively many and the larger position (area of thickness Domain 54 correspondence portion) 46b and position (region 55 correspondence portion) 46c, and thickness less position more relatively fewer than absorbent material 45 (difficult breathability feature 53 correspondence portion) 46a is subject to higher compressing.As a result, using the suction manufactured by above-mentioned manufacture device In acceptor 4 (absorbent core 41), position (the region 54 correspondence portion) 46b (protuberance) of deposit 46 and position (region 55 correspondence portion) 46c becomes the of a relatively high protuberance 43 of absorbent core 41 Midst density and non-boxed area 412, and the position of deposit 46 is (difficult ventilative Property part 53 correspondence portion) 46a (recess) becomes the relatively low groove portion of absorbent core 41 Midst density 44 (translot 44X, pod 44Y).
The formation material of the disposable diaper 1 of present embodiment is illustrated.
As face sheet 2, back-sheet 3, three-dimensional gauffer formation sheet material 62, as long as being used in once Material in the absorbent commodities such as property diaper, just can use with no particular limitation.For example as face sheet 2, liquid can be used The non-woven fabrics of body permeability or perforated film, their laminated body etc..As back-sheet 3, resin film or tree can be used Laminated body of adipose membrane and non-woven fabrics etc..As three-dimensional gauffer formation sheet material 62, can use the thin film of retractility, non-woven fabrics, Fabric or their laminated sheet etc..
As pull stap 7, as long as being the material that usually can be used in the absorbent commodities such as disposable diaper, just can be no Especially limit ground to use.For example can use " Magic Tape (registered trade mark) " (manufacture of Kuraray (Kuraray) company), (Kanebo Bell Touch is public for " Quicklon (registered trade mark) " (manufacture of YKK company), " Magi Cloth (registered trade mark) " Department manufactures) etc. in hook face component (sunny side part) etc..
As the absorbent core 41 constituting absorber 4, can use and keep inhaling in the aggregation of the fibers such as paper pulp fiber Material obtained by the granule of pinching compound.As the coating member 42 constituting absorber 4, can use and include hydrophilic sheet, example Cored sheet material of non-woven fabrics as the thin paper (cotton paper) of water penetration or water penetration etc..
Elastomeric element 61, leg elastic members 63 and the waist elastic members 64 being formed as three-dimensional gauffer, can make With comprising natural rubber, polyurethane, polystyrene-polyisoprene copolymer, polystyrene-polybutadiene copolymer, propylene The wire loft material of the polyethylene-alphaolefin copolymer such as acetoacetic ester-ethylene etc..
As bonding agent 5h, as long as being the material that usually can be used in the absorbent commodities such as disposable diaper, just may be used Use with no particular limitation, for example, can use hot-melt adhesive.As hot-melt adhesive, for example, can enumerate styrene-different Isoprene-styrene block copolymer (SIS), styrene butadiene styrene block copolymer (SBS) (SBS), styrene-ethylene- The hot-melt adhesive of the block copolymerization species such as butylene-styrene copolymers (SEBS).For attaching absorbent core 41 and coating member 42 bonding agent, for fixing the bonding agent of absorber 4 and face sheet 2 or back-sheet 3, being formed for fixing three-dimensional gauffer Also identical with the bonding agent of face sheet 2 with sheet material 62.
As intermediate sheet 5 (secondary layer of sheet material), as long as being used in the absorbent commodities such as disposable diaper Material, just can use with no particular limitation, for example, can use sheet material (the preferably hydrophilic based on hydrophilic fibre The content of fiber is the sheet material of more than 90 mass %), as this sheet material, for example, can enumerate paper, non-woven fabrics, screen cloth etc..As The sheet material of paper, can use dry type paper pulp.As the sheet material of non-woven fabrics, spun-laced nonwoven fabric, spun-bonded non-woven fabrics, hot blast can be used Non-woven fabrics, resin-bonded non-woven fabrics, air-laid nonwoven fabrics.For in terms of the liquid permeability, preferably hot-wind nonwoven cloth.
The grammes per square metre of intermediate sheet 5 is preferably 15g/m2Above 100g/m2Below.
To using the present embodiment of the invention described above disposable diaper 1 when action effect illustrate.
As shown in Figure 2 and Figure 3, diaper 1 has the groove portion 44 relatively low including the of a relatively high protuberance of grammes per square metre 43 and grammes per square metre Boxed area 411.Therefore, the shape of its softness and the body readily along wearer, thus conformable lifting.Additionally, row Body fluid after urine flows in groove portion 44, is lifted by this diffusibility, the absorbability of lifting absorbent core 41.Like this, diaper 1 includes There is the absorbent core 41 of boxed area 411, the absorbability lifting of the body fluid during therefore using, the overall softness of absorber Property lifting.
Additionally, as shown in Fig. 2, Fig. 5, the length of the longitudinal direction (Y-direction) of the intermediate sheet 5 of diaper 1 is than absorbent core 41 The longitudinal direction (Y-direction) of boxed area 411 length short, and bias configures in the veutro portion A side of absorbent core 41.Pass through Like this in the veutro portion A configuration intermediate sheet 5, Neng Gouti being easily deformed because of the change of the activity of wearer or posture The intensity of the absorber expanding after high-selenium corn body fluid, improves shape retention.And then, by configuring intermediate sheet 5, can be easy Make diffusion of body fluids and equably absorbed by absorber 4 so that easy produce the arid region of absorber 4 being cracked and humidification zones Border be not likely to produce, and improve shape retention.
Additionally, as shown in Fig. 2, Fig. 5, diaper 1 has the non-boxed area 412 of the periphery surrounding boxed area 411, therefore Body fluid can lentamente be absorbed, it is also possible to the absorbability of lifting absorbent core 41 after repeating to urinate, be prevented from from absorbability The leakage of body fluid of core 41.
Additionally, as shown in Fig. 2, Fig. 5, the intermediate sheet 5 of diaper 1 on longitudinal direction (Y-direction), across the contracting of absorbent core 41 Thin portion 41c and extend to drosal part B from veutro portion A.Additionally, in diaper 1, intermediate sheet 5 is across crotch C of boxed area 411 Shrinking portion and extend to drosal part B (boxed area 411b of dorsal part) from veutro portion A (boxed area 411a of veutro).Cause This, can improve the damage easness of the absorber 4 in the movable range of the lower limb of wearer during wearing, and improve shape and keep Property.
Additionally, as shown in Fig. 2, Fig. 5, the intermediate sheet 5 of diaper 1, on transverse direction (X-direction), crosses boxed area 411 And reach the non-boxed area 412 being located at the both sides along longitudinal direction (Y-direction) of absorbent core 41 respectively, intermediate sheet 5 Lateral margin along longitudinal direction (Y-direction) is located in the non-boxed area 412 of absorbent core 41.Therefore, crotch C of absorbent core 41 The rigidity of width (X-direction) easily becomes uniform, and therefore in wearing, diaper 1 is when transverse direction (X-direction) is compressed Become easily equably to bend.
The absorbent commodity of the present invention is not subject to any restriction of the disposable diaper 1 of above-mentioned present embodiment, Neng Goushi Work as change.
For example in above-mentioned diaper 1, as shown in Fig. 2, Fig. 5, multiple massive structures 400 are from veutro portion A until drosal part B exists Continuously configure on longitudinal direction (Y-direction), and form boxed area 411 but it is also possible to discontinuous configure.Similarly, veutro Boxed area 411b of boxed area 411a, boxed area 411c of crotch and dorsal part also can discontinuously configure.
Additionally, in above-mentioned diaper 1, as shown in Figure 3, Figure 4, the non-skin of absorbent core 41 becomes concavo-convex relative to surface side Construction, skin is flat relative to surface side to become sag and swell but it is also possible to be skin relative to surface side, and non-skin is flat relative to surface side.
Additionally, in above-mentioned diaper 1, as shown in Fig. 2, Fig. 5, in the front and back end of the longitudinal direction (Y-direction) of absorbent core 41 The respective corner in portion has shrinking portion 41ea, 41eb but it is also possible to not have shrinking portion.
Additionally, in above-mentioned diaper 1, as shown in Fig. 2, Fig. 5, constituting the groove portion 44 of the absorbent core 41 of absorber 4, utilize The translot 44X of the wire extending along transverse direction (X-direction) and the pod 44Y of wire that extends along longitudinal direction (Y-direction) and entirety On be formed as lattice-shaped, but be not limited to the shape of this lattice-shaped.
Additionally, in above-mentioned diaper 1, as shown in Fig. 2, Fig. 5, absorbent core 41 and boxed area 411 all have in crotch C Shrinking portion is not but it is also possible to all have shrinking portion it is also possible to any one has shrinking portion.In addition it is also possible to include Fig. 9~Figure 11 Shown absorbent core 41A~41C replaces the absorbent core 41 of above-mentioned absorber 4.With regard to the absorbent core shown in Fig. 9~Figure 11 41A~41C, for not specified aspect, suitably application is to absorbent core 41 narration in detail included by above-mentioned diaper 1 Explanation.Additionally, in Fig. 9~Figure 11, indicating identical reference to Fig. 5 identical part.
For example, as shown in figure 9, absorbent core 41A has shrinking portion 41c, but boxed area 411 does not have shrinking portion, only Be formed as longer rectangular shape on longitudinal direction (Y-direction).The boxed area 411 of the absorbent core 41A shown in Fig. 9 is had more Illustrate, this boxed area 411 is formed as follows body:Protuberance 43 rule being marked off by pod 44Y and translot 44X The massive structure that ground is configured with 5 on transverse direction (X-direction) and is formed, from veutro portion A until drosal part B is regularly in vertical side Configure 14 row to (Y-direction) is upper.In the boxed area 411 of the absorbent core 41A shown in Fig. 9,6 along longitudinal direction (Y-direction) The pod 44Y extending is configured to linearly up to drosal part B from veutro portion A respectively.
The boxed area 411 of the absorbent core 41B shown in Figure 10 is more specifically illustrated.In absorbent core 41B, As shown in Figure 10, boxed area 411b of dorsal part is formed as follows:The protuberance 43 being marked off by pod 44Y and translot 44X The massive structure being regularly configured with 4 on transverse direction (X-direction) and being formed, regularly in the upper configuration 4 of longitudinal direction (Y-direction) OK.Additionally, as shown in Figure 10, boxed area 411c of crotch is formed as follows:Protuberance 43 is regularly in transverse direction (X side To) on the massive structure that is configured with 3 and formed regularly configure 7 row longitudinal direction (Y-direction) is upper.Additionally, as shown in Figure 10, Boxed area 411a of veutro is formed as follows:The protuberance 43 being marked off by pod 44Y and translot 44X is regularly in horizontal stroke The massive structure being configured with 4 on direction (X-direction) and being formed, regularly in longitudinal direction (Y-direction) upper configuration 4 row.Absorbing In the boxed area 411 of property core 41B, as shown in Figure 10, arbitrary all do not have along the low grammes per square metre portion 44Y that longitudinal direction (Y-direction) extends From veutro portion A until drosal part B is configured to linearly.
The boxed area 411 of the absorbent core 41C shown in Figure 11 is more specifically illustrated.In absorbent core 41C, As shown in figure 11, boxed area 411b of dorsal part is formed as follows:The protuberance 43 being marked off by pod 44Y and translot 44X The massive structure being regularly configured with 5 on transverse direction (X-direction) and being formed, regularly in the upper configuration 3 of longitudinal direction (Y-direction) Stalk, and then the massive structure that protuberance 43 is regularly configured with 4 on transverse direction (X-direction) and is formed is regularly in longitudinal direction (Y Direction) upper configuration 1 row.Additionally, as shown in figure 11, boxed area 411c of crotch is formed as follows:By pod 44Y and horizontal stroke The massive structure that the protuberance 43 that groove 44X marks off regularly is configured with 3 on transverse direction (X-direction) and is formed, regularly exists Longitudinal direction (Y-direction) is upper to configure 7 row.Additionally, as shown in figure 11, boxed area 411a of veutro is formed as follows:By indulging The massive structure that the protuberance 43 that groove 44Y and translot 44X marks off regularly is configured with 4 on transverse direction (X-direction) and is formed, Regularly configure 1 row longitudinal direction (Y-direction) is upper, and then protuberance 43 is regularly configured with 5 and shape on transverse direction (X-direction) The massive structure becoming is regularly in longitudinal direction (Y-direction) upper configuration 3 row.In the boxed area 411 of absorbent core 41C, such as scheme Shown in 11, arbitrary pod 44Y extending along longitudinal direction (Y-direction) is all in line up to drosal part B configuration less than from veutro portion A Shape.
Additionally, as shown in Fig. 2 above-mentioned diaper 1 is the disposable diaper of deploying type but it is also possible to be the disposable of pants type Diaper.
With regard to above-mentioned embodiment, and then disclose following absorbent commodity.
A kind of absorbent commodity of < 1 >, it has and configures face sheet in skin relatively surface side, configures in non-skin phase The absorber of the back-sheet of the opposite side and configuration lengthwise between this two sheet materials, this absorber has positioned at wearer's The veutro portion of veutro, the drosal part being located at dorsal part and the crotch being located between them, between this absorber and this face sheet There is the intermediate sheet of liquid permeability, this absorbent commodity is characterised by:
Above-mentioned absorber has the absorbent core containing absorbing polymeric,
Above-mentioned absorbent core has from veutro portion until drosal part is configured with the bulk of multiple massive structures on longitudinal direction Region, this massive structure is by the relatively low groove of multiple protuberances of the relatively high convex of grammes per square metre and the grammes per square metre of each this protuberance of encirclement Portion is constituted,
The raised part of above-mentioned absorbent core and above-mentioned groove portion are integrally formed,
Above-mentioned intermediate sheet covers a part for the above-mentioned boxed area of above-mentioned absorbent core, the longitudinal direction of this intermediate sheet The longitudinal direction of above-mentioned boxed area than above-mentioned absorbent core for the length length short, this intermediate sheet bias is in this absorbent core Veutro portion side ground configuration.
Absorbent commodity as described in above-mentioned < 1 > for < 2 >, wherein, above-mentioned absorbent core has to inner side contracting in crotch Thin shrinking portion,
Above-mentioned intermediate sheet, on longitudinal direction, is stepped up and is stated the above-mentioned shrinking portion of absorbent core and extend to dorsal part from veutro portion Portion.
Absorbent commodity as described in above-mentioned < 1 > or < 2 > for < 3 >, wherein, it is above-mentioned that above-mentioned absorbent core has encirclement The non-boxed area of the periphery of boxed area,
Above-mentioned intermediate sheet crosses above-mentioned boxed area in the transverse direction, reaches vertical positioned at the edge of above-mentioned absorbent core respectively The non-boxed area of the both sides in direction.
Absorbent commodity as any one of above-mentioned < 1 > to < 3 > for < 4 >, wherein, above-mentioned absorber has bag It is covered with the coating member stating absorbent core, this coating member and above-mentioned intermediate sheet are fixed by bonding agent,
Above-mentioned bonding agent is in the way of passing through the raised part being constituted above-mentioned boxed area on longitudinal direction on longitudinal direction Apply shape in alignment, the transverse direction of above-mentioned absorbent commodity discontinuously applies.
Absorbent commodity as any one of above-mentioned < 1 > to < 4 > for < 5 >, wherein, above-mentioned absorbent commodity exists Both sides along longitudinal direction have a pair three-dimensional gauffer,
In drosal part, form each above-mentioned solid three-dimensional gauffer formation sheet material of gauffer and the fixation of above-mentioned face sheet Position, is in outside longitudinal direction compared with above-mentioned intermediate sheet, and, is in respectively positioned at above-mentioned absorbent core along longitudinal direction The non-boxed area of both sides on.
Absorbent commodity as described in above-mentioned < 4 > for < 6 >, wherein, the both sides of an above-mentioned coating member is folded, Make the mode that the side edge part of this coating member overlaps each other, coat above-mentioned absorbent core.
Absorbent commodity as any one of above-mentioned < 1 > to < 6 > for < 7 >, wherein, above-mentioned absorbent core is in crotch Portion has the shrinking portion to inner side shrinking, in this absorbent core, the left and right sides edge of veutro portion and the left and right sides edge of drosal part Each extend more to outside transverse direction than the left and right sides edge of crotch, the overall width of veutro portion is than the overall width of drosal part Width, the overall width positioned at this shrinking portion of crotch is the narrowest, and in above-mentioned absorbent commodity, the left and right sides edge of crotch is towards horizontal stroke Bend to arc-shaped inside direction, integrally there is the shape to inner side shrinking for the crotch as longitudinal direction central part.
Absorbent commodity as any one of above-mentioned < 1 > to < 6 > for < 8 >, wherein, above-mentioned absorbent core upper State groove portion to be made up of the pod extending along longitudinal direction and the translot extending along transverse direction, the above-mentioned boxed area of this absorbent core Above-mentioned massive structure, by this pod extending along longitudinal direction, along transverse direction extend this translot and configuration by this pod and should The raised part at the position that translot marks off is formed.
Absorbent commodity as described in above-mentioned < 8 > for < 9 >, wherein, the above-mentioned pod constituting above-mentioned groove portion is in longitudinal direction On extend parallel to, or the curve extending on longitudinal direction, or obliquely extend, the above-mentioned translot constituting this groove portion exists Extend parallel on transverse direction, or the curve extending in the transverse direction, or obliquely extend.
Absorbent commodity as any one of above-mentioned < 1 > to < 9 > for < 10 >, wherein, in above-mentioned boxed area, A part for a part for drosal part and veutro portion is exposed, the drosal part of this boxed area expose that area formed must be than this bulk The veutro portion in region to expose area big.
Absorbent commodity as any one of above-mentioned < 1 > to < 10 > for < 11 >, wherein, above-mentioned absorbent core exists The respective corner of rear ends of longitudinal direction has the shrinking portion protruded to inner side.
Absorbent commodity as any one of above-mentioned < 1 > to < 11 > for < 12 >, wherein, above-mentioned boxed area Longitudinal direction length is less than more than 70% 98% length or less than more than 85% 95% of the longitudinal direction total length of this absorbent core Length.
Absorbent commodity as any one of above-mentioned < 1 > to < 12 > for < 13 >, wherein, above-mentioned boxed area Transverse direction length be 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.
Absorbent commodity as any one of above-mentioned < 1 > to < 13 > for < 14 >, wherein, above-mentioned boxed area The transverse direction length of veutro portion be the veutro portion of above-mentioned absorbent core less than more than 30% 90% length of transverse direction beam overall, Or less than more than 50% 70% length.
Absorbent commodity as any one of above-mentioned < 1 > to < 14 > for < 15 >, wherein, above-mentioned boxed area The transverse direction length of drosal part be the drosal part of above-mentioned absorbent core less than more than 30% 90% length of transverse direction beam overall, Or less than more than 50% 70% length.
Absorbent commodity as any one of above-mentioned < 1 >~< 15 > for < 16 >, wherein, above-mentioned intermediate sheet Longitudinal direction length be above-mentioned absorbent core less than more than 20% 80% length of longitudinal direction total length or more than 30% 70% Following length.
Absorbent commodity as any one of above-mentioned < 1 > to < 16 > for < 17 >, wherein, above-mentioned intermediate sheet Longitudinal direction length be less than more than 30% 85% length of the longitudinal direction total length of above-mentioned boxed area or more than 40% 75% with Under length.
Absorbent commodity as any one of above-mentioned < 1 > to < 17 > for < 18 >, wherein, above-mentioned intermediate sheet Transverse direction length is the length of less than more than the 30% 90% of the transverse direction total length of above-mentioned absorbent core, or more than 40% 80% Following length.
Absorbent commodity as any one of above-mentioned < 1 > to < 18 > for < 19 >, wherein, above-mentioned intermediate sheet Transverse direction length is less than more than 100% 150% length or more than 105% of the transverse direction total length of above-mentioned boxed area Less than 130% length.
Absorbent commodity as described in above-mentioned < 8 > for < 20 >, wherein, the above-mentioned translot of above-mentioned groove portion and above-mentioned pod with Identical depth is formed, and the thickness of above-mentioned groove portion is less than more than the 30% 90% of the thickness of raised part.
Absorbent commodity as any one of above-mentioned < 1 > to < 20 > for < 21 >, wherein, the grammes per square metre of above-mentioned groove portion For the grammes per square metre of raised part less than more than 20% 80% or less than more than 30% 70%.
Absorbent commodity as any one of above-mentioned < 3 > to < 21 > for < 22 >, wherein, raised part and above-mentioned Non- boxed area is formed as higher density compared with above-mentioned groove portion.
Absorbent commodity as any one of above-mentioned < 1 > to < 22 > for < 23 >, wherein, the density of above-mentioned groove portion For the density of raised part less than more than 50% 100% or less than more than 75% 95%.
Absorbent commodity as any one of above-mentioned < 3 > to < 23 > for < 24 >, wherein, above-mentioned absorbent core Raised part and above-mentioned groove portion are integrally formed, and above-mentioned non-boxed area is also integrally formed with this protuberance and this groove portion.
Absorbent commodity as any one of above-mentioned < 1 > to < 24 > for < 25 >, wherein, above-mentioned absorbent core Above-mentioned groove portion above-mentioned absorbent commodity thickness direction upward bias in above-mentioned face sheet side, in this absorbent core, this absorption Property core non-skin become the irregular above-mentioned massive structure of tool relative to surface side, the skin of this absorbent core is flat relative to surface side.
Absorbent commodity as described in above-mentioned < 4 > for < 26 >, wherein, above-mentioned absorbent core above-mentioned groove portion with above-mentioned It is formed with space between coating member.
Absorbent commodity as any one of above-mentioned < 1 > to < 26 > for < 27 >, wherein, above-mentioned groove portion is above-mentioned The above-mentioned back-sheet side of absorbent core is integrally formed as lattice-shaped, is configured with raised part in the position of grid hole, should Groove portion is formed in the way of surrounding this protuberance.
Absorbent commodity as described in above-mentioned < 26 > or < 27 > for < 28 >, wherein, from recessed to above-mentioned face sheet side The multiple above-mentioned space of sunken above-mentioned translot and the formation of above-mentioned coating member is accordingly continuously prolonged in the transverse direction respectively with this translot Stretch, the multiple above-mentioned space being formed from the above-mentioned pod being recessed to this face sheet side and above-mentioned coating member is with this pod accordingly Continuous extension respectively on longitudinal direction.
Absorbent commodity as any one of above-mentioned < 4 > to < 28 > for < 29 >, wherein, as the above-mentioned suction of composition The above-mentioned absorbent core of acceptor, using obtained from the granule of holding absorbing polymeric in the fiber assembly of paper pulp fiber etc. Part, as the above-mentioned coating member constituting this absorber, using comprising hydrophilic sheet, water penetration thin paper (cotton paper) or water penetration The cored sheet material of non-woven fabrics.
Absorbent commodity as any one of above-mentioned < 1 > to < 29 > for < 30 >, wherein, above-mentioned absorbent commodity There are above-mentioned solid gauffer formation elastomeric element, leg elastic members and waist elastic members, formed as this three-dimensional gauffer With elastomeric element, this leg elastic members and this waist elastic members, using different by natural rubber, polyurethane, polystyrene-poly The polyethylene-alphaolefin copolymer of pentadiene copolymer, polystyrene-polybutadiene copolymer or ethyl acrylate-ethylene is formed Wire loft material.
Absorbent commodity as any one of above-mentioned < 1 > to < 30 > for < 31 >, wherein, as above-mentioned bag Cover the bonding agent of fixation of part and above-mentioned intermediate sheet, the bonding agent of fixation for above-mentioned absorbent core and this coating member, use Form use in above-mentioned absorber with the bonding agent of above-mentioned face sheet or the fixation of above-mentioned back-sheet, for above-mentioned solid gauffer Sheet material and the bonding agent of the fixation of this face sheet, can use hot-melt adhesive, as this hot-melt adhesive, using benzene second Alkene-isoprene-styrene block copolymer (SIS), styrene butadiene styrene block copolymer (SBS) (SBS), styrene- The hot-melt adhesive of the block copolymerization species of ethylene-butylene, Styrene copolymer (SEBS) etc..
Absorbent commodity as any one of above-mentioned < 1 > to < 31 > for < 32 >, wherein, as intermediate sheet, Using the sheet material based on hydrophilic fibre, as this sheet material based on hydrophilic fibre, using the sheet material of paper, nonwoven Cloth or screen cloth,
As the sheet material of this paper, using dry type paper pulp, as this non-woven fabrics, using spun-laced nonwoven fabric, spun-bonded non-woven fabrics, Hot-wind nonwoven cloth, resin-bonded non-woven fabrics or air-laid nonwoven fabrics.
Absorbent commodity as any one of above-mentioned < 1 > to < 32 > for < 33 >, wherein, above-mentioned absorbent commodity Disposable diaper for deploying type.
Absorbent commodity as any one of above-mentioned < 1 > to < 32 > for < 34 >, wherein, above-mentioned absorbent commodity Disposable diaper for pants type.
Industrial utilizability
According to the absorbent commodity of the present invention, the absorbability lifting of the body fluid during use, the overall flexibility of absorber Lifting, and absorb the shape retention lifting of the absorber after body fluid.

Claims (33)

1. a kind of absorbent commodity, it has and configures face sheet in skin relatively surface side, configures in non-skin relative to surface side Back-sheet and lengthwise between this two sheet materials for the configuration absorber, this absorber has the veutro positioned at wearer Veutro portion, the drosal part being located at dorsal part and the crotch being located between them, have liquid between this absorber and this face sheet The intermediate sheet of body permeability, this absorbent commodity is characterised by:
Described absorber has the absorbent core containing absorbing polymeric,
Described absorbent core has from veutro portion until drosal part is configured with the boxed area of multiple massive structures on longitudinal direction, This massive structure is made up of the relatively low groove portion of multiple protuberances of the relatively high convex of grammes per square metre and the grammes per square metre of each this protuberance of encirclement,
The described protuberance of described absorbent core and described groove portion are integrally formed,
Described intermediate sheet covers a part for the described boxed area of described absorbent core, the length of the longitudinal direction of this intermediate sheet Degree is shorter than the length of the longitudinal direction of the described boxed area of described absorbent core, and this intermediate sheet bias is in the abdomen of this absorbent core The configuration of lateral side ground,
Described absorbent commodity there is a pair three-dimensional gauffer along the both sides of longitudinal direction,
In drosal part, form each described solid three-dimensional gauffer formation sheet material of gauffer and the fixed bit of described face sheet Put, be in outside longitudinal direction compared with described intermediate sheet, and, be in respectively positioned at described absorbent core along longitudinal direction In the non-boxed area of both sides.
2. absorbent commodity as claimed in claim 1 it is characterised in that:
Described absorbent core has the shrinking portion to inner side shrinking in crotch,
Described intermediate sheet, on longitudinal direction, extends to drosal part across the described shrinking portion of described absorbent core from veutro portion.
3. absorbent commodity as claimed in claim 1 or 2 it is characterised in that:
Described absorbent core has the non-boxed area of the periphery surrounding described boxed area,
Described intermediate sheet crosses described boxed area in the transverse direction, reaches respectively positioned at described absorbent core along longitudinal direction Both sides non-boxed area.
4. absorbent commodity as claimed in claim 1 or 2 it is characterised in that:
Described absorber has the coating member coating described absorbent core, and this coating member and described intermediate sheet pass through bonding agent admittedly It is fixed,
Described bonding agent is applied in the way of passing through the described protuberance being constituted described boxed area on longitudinal direction on longitudinal direction Shape in alignment, discontinuously applies on the transverse direction of described absorbent commodity.
5. absorbent commodity as claimed in claim 4 it is characterised in that:
To fold the both sides of a described coating member, make the mode that the side edge part of this coating member overlaps each other, cladding is described Absorbent core.
6. absorbent commodity as claimed in claim 1 or 2 it is characterised in that:
Described absorbent core has the shrinking portion to inner side shrinking in crotch, in this absorbent core, the left and right sides edge of veutro portion Each extend more to outside transverse direction than the left and right sides edge of crotch with the left and right sides edge of drosal part, the overall width of veutro portion Wider than the overall width of drosal part, the overall width positioned at this shrinking portion of crotch is the narrowest, in described absorbent commodity, crotch Left and right sides edge bends to arc-shaped towards inside transverse direction, integrally has crotch as longitudinal direction central part to inner side shrinking Shape.
7. absorbent commodity as claimed in claim 4 it is characterised in that:
The described groove portion of described absorbent core is made up of the pod extending along longitudinal direction and the translot extending along transverse direction, this absorption Property core described boxed area described massive structure, by this pod extending along longitudinal direction, along transverse direction extend this translot Formed in the described protuberance at the position being marked off by this pod and this translot with configuration.
8. absorbent commodity as claimed in claim 7 it is characterised in that:
The described pod constituting described groove portion extends parallel on longitudinal direction, or the curve extending on longitudinal direction, or Person obliquely extends, and the described translot constituting this groove portion extends parallel in the transverse direction, or extend in the transverse direction Curve, or obliquely extend.
9. absorbent commodity as claimed in claim 1 or 2 it is characterised in that:
In described boxed area, a part for drosal part and a part for veutro portion are exposed, the dew of the drosal part of this boxed area Go out area formed must than the veutro portion of this boxed area to expose area big.
10. absorbent commodity as claimed in claim 1 or 2 it is characterised in that:
Described absorbent core has, in the respective corner of rear ends of longitudinal direction, the shrinking portion protruded to inner side.
11. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
The longitudinal direction length of described boxed area is the length of less than more than the 70% 98% of the longitudinal direction total length of this absorbent core.
12. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
The transverse direction length of described boxed area is the length of less than more than the 30% 90% of the transverse direction beam overall of described absorbent core Degree.
13. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
The transverse direction length of the veutro portion of described boxed area is the 30% of the transverse direction beam overall of the veutro portion of described absorbent core Above less than 90% length.
14. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
The transverse direction length of the drosal part of described boxed area is the 30% of the transverse direction beam overall of the drosal part of described absorbent core Above less than 90% length.
15. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
The longitudinal direction length of described intermediate sheet is the length of less than more than the 20% 80% of the longitudinal direction total length of described absorbent core Degree.
16. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
The longitudinal direction length of described intermediate sheet is the length of less than more than the 30% 85% of the longitudinal direction total length of described boxed area Degree.
17. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
The transverse direction length of described intermediate sheet is the length of less than more than the 30% 90% of the transverse direction total length of described absorbent core Degree.
18. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
The transverse direction length of described intermediate sheet is less than more than the 100% 150% of the transverse direction total length of described boxed area Length.
19. absorbent commodities as claimed in claim 7 it is characterised in that:
The described translot of described groove portion and described pod are formed with identical depth, and the thickness of described groove portion is the thickness of described protuberance Less than more than the 30% 90% of degree.
20. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
The grammes per square metre of described groove portion is less than more than the 20% 80% of the grammes per square metre of described protuberance.
21. absorbent commodities as claimed in claim 3 it is characterised in that:
Described protuberance is formed as higher density with described non-boxed area compared with described groove portion.
22. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
The density of described groove portion is less than more than the 50% 100% of the density of described protuberance.
23. absorbent commodities as claimed in claim 3 it is characterised in that:
The described protuberance of described absorbent core and described groove portion are integrally formed, described non-boxed area also with this protuberance and this groove portion Integrally formed.
24. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
The described groove portion of described absorbent core described absorbent commodity thickness direction upward bias in described face sheet side, should In absorbent core, the non-skin of this absorbent core becomes the irregular described massive structure of tool relative to surface side, this absorbent core Skin is flat relative to surface side.
25. absorbent commodities as claimed in claim 8 it is characterised in that:
It is formed with space between the described groove portion of described absorbent core and described coating member.
26. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
Described groove portion is integrally formed as lattice-shaped in the described back-sheet side of described absorbent core, in the position of grid hole It is configured with described protuberance, this groove portion is formed in the way of surrounding this protuberance.
27. absorbent commodities as claimed in claim 25 it is characterised in that:
The multiple described space being formed from the described translot being recessed to described face sheet side and described coating member and this translot pair Should ground is respectively continuous in the transverse direction extends, from the described pod being recessed to this face sheet side and described coating member formed many Individual described space and this pod are accordingly continuous respectively on longitudinal direction to be extended.
28. absorbent commodities as claimed in claim 4 it is characterised in that:
As the described absorbent core constituting described absorber, using holding absorbing polymer in the fiber assembly of paper pulp fiber Part obtained from the granule of thing is as the described coating member constituting this absorber, thin using comprising hydrophilic sheet, water penetration The cored sheet material of paper or water penetration non-woven fabrics.
29. absorbent commodities as claimed in claim 1 it is characterised in that:
Described absorbent commodity has described solid gauffer formation elastomeric element, leg elastic members and waist elastic members, As this three-dimensional gauffer formation elastomeric element, this leg elastic members and this waist elastic members, using by natural rubber, poly- The poly- second of urethane, polystyrene-polyisoprene copolymer, polystyrene-polybutadiene copolymer or ethyl acrylate-ethylene The loft material of the wire that alkene-alpha olefin copolymer is formed.
30. absorbent commodities as claimed in claim 4 it is characterised in that:
As the bonding agent for described coating member and the fixation of described intermediate sheet, for described absorbent core and this coating member The bonding agent of fixation, the bonding agent for described absorber and described face sheet or the fixation of described back-sheet, be used for Described solid gauffer formation sheet material and the bonding agent of the fixation of this face sheet, can use hot-melt adhesive, as this heat Fusible dose, using styrene isoprene styrene block copolymer (SIS) SIS, s-B-S block copolymerization Thing SBS, the hot-melt adhesive of the block copolymerization species of styrene-ethylene-butylene-styrene copolymer SEBS.
31. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
As intermediate sheet, using the sheet material based on hydrophilic fibre, as this sheet material based on hydrophilic fibre, Using the sheet material of paper, non-woven fabrics or screen cloth,
As the sheet material of this paper, using dry type paper pulp, as this non-woven fabrics, using spun-laced nonwoven fabric, spun-bonded non-woven fabrics, hot blast no Spin cloth, resin-bonded non-woven fabrics or air-laid nonwoven fabrics.
32. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
Described absorbent commodity is the disposable diaper of deploying type.
33. absorbent commodities as claimed in claim 1 or 2 it is characterised in that:
Described absorbent commodity is the disposable diaper of pants type.
CN201380030882.XA 2012-06-11 2013-05-31 Absorbent article Active CN104363869B (en)

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WO2016118405A1 (en) 2015-01-23 2016-07-28 Kimberly-Clark Worldwide, Inc. Bridged absorbent structure
JP6138864B2 (en) * 2015-06-30 2017-05-31 ユニ・チャーム株式会社 Absorbent articles
JP6086402B1 (en) * 2015-09-30 2017-03-01 大王製紙株式会社 Absorbent article and manufacturing method thereof
JP7001444B2 (en) * 2017-11-29 2022-01-19 花王株式会社 Absorbent article
JP7125310B2 (en) * 2018-09-04 2022-08-24 花王株式会社 Pad type absorbent article

Citations (1)

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CN1981726A (en) * 2005-12-15 2007-06-20 花王株式会社 Disposable diaper

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JP3949020B2 (en) * 2002-07-19 2007-07-25 花王株式会社 Absorbent articles
JP4008868B2 (en) * 2003-08-29 2007-11-14 大王製紙株式会社 Absorbent articles
TWI473601B (en) * 2006-03-06 2015-02-21 Kao Corp Flat type disposable diaper
JP5199646B2 (en) * 2007-11-16 2013-05-15 ユニ・チャーム株式会社 Absorbent articles
JP5085355B2 (en) * 2008-01-31 2012-11-28 大王製紙株式会社 Pants-type disposable diapers

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
CN1981726A (en) * 2005-12-15 2007-06-20 花王株式会社 Disposable diaper

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TWI487513B (en) 2015-06-11
JP2013255565A (en) 2013-12-26

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