CN106029024A - Urine absorption pad, and urine absorption pad storage article - Google Patents

Urine absorption pad, and urine absorption pad storage article Download PDF

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Publication number
CN106029024A
CN106029024A CN201480076385.8A CN201480076385A CN106029024A CN 106029024 A CN106029024 A CN 106029024A CN 201480076385 A CN201480076385 A CN 201480076385A CN 106029024 A CN106029024 A CN 106029024A
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CN
China
Prior art keywords
diaper
absorbed layer
layer
end edge
edge portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201480076385.8A
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Chinese (zh)
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CN106029024B (en
Inventor
户田温树
守屋绫子
永井贵仁
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Unicharm Corp
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Unicharm Corp
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Publication of CN106029024A publication Critical patent/CN106029024A/en
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Publication of CN106029024B publication Critical patent/CN106029024B/en
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/551—Packaging before or after use
    • A61F13/55105—Packaging before or after use packaging of diapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent 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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/51104—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections
    • A61F13/51108—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections the top sheet having corrugations or embossments having one axis relatively longer than the other axis, e.g. forming channels or grooves in a longitudinal direction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent 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
    • A61F13/534—Absorbent 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
    • A61F13/535—Absorbent 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

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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

The present invention addresses the problem of providing a urine absorption pad folded in an expandable manner and provided with a liquid-permeable top sheet on which protrusions are formed, the urine absorption pad being able to maintain the form of the protrusions formed on a predetermined region (for example, the region that comes into contact with the crutch area of a wearer) on the top sheet. In order to solve said problem, multiple sections (40b, 40f, 40d, 40h, and 40e) of an absorption layer overlap with a first overlapping section (40a1) of a first section (40a) on the absorption layer, multiple sections (40c, 40g, 40d, 40i, and 40e) of the absorption layer overlap with a second overlapping section (40a2), and a through hole (5) which penetrates the absorption layer in the thickness direction is positioned on a non-overlapping part (40a3).

Description

Diaper and diaper collecting part
Technical field
The present invention relates to the diaper can be folded in the way of launching and maintain folding with this diaper The mode of state receives the diaper collecting part of this diaper.
Background technology
It is formed there being a kind of part abutted at the pudendum of wearer to be configured with described in patent documentation 1 The diaper of the absorbed layer of through cylindrical void.In the diaper described in patent documentation 1, it is possible to increase diaper phase Stickiness for the pudendum of wearer.It addition, the part that the pudendum of wearer is abutted is not easy to become Moisture state such that it is able to prevent the sense of discomfort of wearer.
Patent documentation 2～13 discloses and is formed with the non-woven fabrics of protuberance on surface and uses this nonwoven Cloth is as the technical scheme of the top flat of absorbent commodity.In the non-woven fabrics described in patent documentation 2～13, Utilize the protuberance being formed at surface, it is possible to increase the liquid permeability of non-woven fabrics and skin sense of touch.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2006-95156 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2009-30218 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2008-23326 publication
Patent documentation 4: Japanese Unexamined Patent Publication 2008-25079 publication
Patent documentation 5: Japanese Unexamined Patent Publication 2004-174234 publication
Patent documentation 6: Japanese Unexamined Patent Publication 2009-160035 publication
Patent documentation 7: Japanese Unexamined Patent Publication 2009-201964 publication
Patent documentation 8: Japanese Unexamined Patent Publication 2012-5701 publication
Patent documentation 9: Japanese Unexamined Patent Publication 2002-187228 publication
Patent documentation 10: Japanese Unexamined Patent Publication 2003-247155 publication
Patent documentation 11: Japanese Unexamined Patent Publication 2007-177340 publication
Patent documentation 12: Japanese Unexamined Patent Publication 2005-350836 publication
Patent documentation 13: Japanese Unexamined Patent Publication 2010-168715 publication
Summary of the invention
The problem that invention is to be solved
Diaper is typically to be accommodated in container (the bag-shaped shaping such as, being made up of packaging material such as plastic foils Product) form (that is, the form of diaper collecting part) carry out processing.Now, be folded is multiple Diaper is adjacent to receive in a reservoir with the state being compressed by each other.Thus, it is accommodated in the diaper of container Persistently it is under pressure in container.
Therefore, will be formed with in the case of the top flat of liquid permeability of protuberance is equipped on diaper, putting on Under the effect of the pressure of diaper, it is possible to result in the protuberance in top flat and be crushed, the function (example of protuberance As, improve liquid permeability, improve skin sense of touch etc.) reduce.
Therefore, it is an object of the invention to provide following a kind of diaper and one maintains with this diaper and folds The mode of state receives the diaper collecting part of this diaper: this diaper possesses the top of the liquid permeability being formed with protuberance Sheet, this diaper is can be folded in the way of launching, and this diaper is able to maintain that be formed in top flat makes a reservation for The form of the protuberance in region (region that such as, the pudendum of wearer is abutted).
For solving the scheme of problem
In order to solve above-mentioned problem, the present invention provides a kind of diaper, and this diaper possesses: top flat, and it is Fluidity and there is the skin contact face being formed with protuberance；Egative film, it is opaque liquid；And absorbed layer, It is for absorbency and is configured between described top flat and described egative film, and it is through described to have through-thickness The through hole of absorbed layer or to the recess of described top flat side opening, this diaper is quilt in the way of can launching Fold,
(a) when described diaper has been unfolded,
Described diaper has the most orthogonal long side direction, short side direction and thickness direction,
Described absorbed layer have by the 1st following imaginary plane～the 4th imaginary plane be divided into following Part 1～the 5th part:
1st imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 1st imaginary line that extends along described long side direction of surface；
2nd imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 2nd imaginary line that extends parallel to described 1st imaginary line of surface；
3rd imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 3rd imaginary line that extends along described short side direction of surface；And
4th imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 4th imaginary line that extends parallel to described 3rd imaginary line of surface；
Part 1, it is surrounded by described 1st imaginary plane～described 4th imaginary plane；
Part 2, its end edge portion from the described 1st imaginary plane side of described part 1 is along described minor face Direction extends to the end edge portion of described absorbed layer；
Third portion, its end edge portion from the described 2nd imaginary plane side of described part 1 is along described minor face Direction extends to the end edge portion of described absorbed layer；
4th part, its end edge portion from the described 3rd imaginary plane side of described part 1 is along described long limit Direction extends to the end edge portion of described absorbed layer；And
5th part, its end edge portion from the described 4th imaginary plane side of described part 1 is along described long limit Direction extends to the end edge portion of described absorbed layer,
Described through hole or described recess are positioned at described part 1,
(b) when described diaper has been folded,
By by described diaper at described 1st imaginary line to described top flat lateral buckling, thus the described 1st Part is overlapping with described part 2 on the thickness direction of described part 1,
By by described diaper at described 2nd imaginary line to described top flat lateral buckling, thus the described 1st Part is overlapping with described third portion on the thickness direction of described part 1,
Described part 1 has on the thickness direction of described part 1 overlapping with described part 2 1 lap, the 2nd lap overlapping with described third portion on the thickness direction of described part 1 And it is the most nonoverlapping with described part 2 and described third portion on the thickness direction of described part 1 Non-overlapped part,
Described through hole or described recess are positioned at described non-overlapped part.
It addition, one diaper collecting part of the present invention, wherein, this diaper collecting part includes the diaper of the present invention And in the way of described diaper maintains folded state, receive the container of described diaper.
The effect of invention
Use the present invention, it is provided that following a kind of diaper and a kind of maintain in the way of folded state by this diaper Receive the diaper collecting part of this diaper: this diaper possesses the top flat of the liquid permeability being formed with protuberance, this diaper Can be folded in the way of launching, (such as, this diaper is able to maintain that the presumptive area being formed in top flat The region that the pudendum of wearer is abutted) the form of protuberance.
Accompanying drawing explanation
Fig. 1 is the top view of the deployed condition of the diaper of one embodiment of the present invention.
Fig. 2 is the exploded perspective view of the diaper shown in Fig. 1.
Fig. 3 is the line A-A sectional view of Fig. 1.
Fig. 4 is the amplification stereogram of the local of the top flat that the diaper shown in Fig. 1 is possessed.
Fig. 5 is to represent the imaginary plane vertical with the thickness direction of the diaper shown in Fig. 1 and is that projection has this The figure of the imaginary plane of the layers 1 and 2 of the absorbed layer that diaper is possessed.
Fig. 6 is being divided into by the 1st imaginary plane～the 4th imaginary plane for the diaper shown in explanatory diagram 1 Nine parts (part 1～the 9th part) and nine portions of absorbed layer of being comprised of these nine parts Divide the figure of (part 1～the 9th part).
Fig. 7 is the axonometric chart of the folded state of the diaper shown in Fig. 1.
Fig. 8 is the line B-B sectional view of Fig. 7.
Fig. 9 be by after the diaper of the deployed condition shown in Fig. 1 has been bent at the 1st imaginary line, The top view of the foldable structure body bent at the 2nd imaginary line and formed.
(a) of Figure 10 is the line C-C sectional view of Fig. 9, and (b) of Figure 10 is the line D-D section view of Fig. 9 Figure.
Figure 11 is the diaper collecting part receiving this diaper in the way of the diaper shown in Fig. 1 maintains folded state Partial, partially-cross-sectioned side-elevation view.
Figure 12 is the diaper collecting part receiving this diaper in the way of the diaper shown in Fig. 1 maintains folded state Partial cutaway front view.
Detailed description of the invention
Hereinafter, diaper and the diaper collecting part of the present invention are described.
The diaper of one technical scheme (technical scheme 1) of the present invention possesses: top flat, its be liquid permeability and There is the skin contact face being formed with protuberance；Egative film, it is opaque liquid；And absorbed layer, it is for inhaling Fluidity and being configured between described top flat and described egative film, and there is the through described absorbed layer of through-thickness Through hole or to the recess of described top flat side opening, this diaper can be folded in the way of launching,
(a) when described diaper has been unfolded,
Described diaper has the most orthogonal long side direction, short side direction and thickness direction,
Described absorbed layer have by the 1st following imaginary plane～the 4th imaginary plane be divided into following Part 1～the 5th part:
1st imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 1st imaginary line that extends along described long side direction of surface；
2nd imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 2nd imaginary line that extends parallel to described 1st imaginary line of surface；
3rd imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 3rd imaginary line that extends along described short side direction of surface；And
4th imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 4th imaginary line that extends parallel to described 3rd imaginary line of surface；
Part 1, it is surrounded by described 1st imaginary plane～described 4th imaginary plane；
Part 2, its end edge portion from the described 1st imaginary plane side of described part 1 is along described minor face Direction extends to the end edge portion of described absorbed layer；
Third portion, its end edge portion from the described 2nd imaginary plane side of described part 1 is along described minor face Direction extends to the end edge portion of described absorbed layer；
4th part, its end edge portion from the described 3rd imaginary plane side of described part 1 is along described long limit Direction extends to the end edge portion of described absorbed layer；And
5th part, its end edge portion from the described 4th imaginary plane side of described part 1 is along described long limit Direction extends to the end edge portion of described absorbed layer,
Described through hole or described recess are positioned at described part 1,
(b) when described diaper has been folded,
By by described diaper at described 1st imaginary line to described top flat lateral buckling, thus the described 1st Part is overlapping with described part 2 on the thickness direction of described part 1,
By by described diaper at described 2nd imaginary line to described top flat lateral buckling, thus the described 1st Part is overlapping with described third portion on the thickness direction of described part 1,
Described part 1 has on the thickness direction of described part 1 overlapping with described part 2 1 lap, the 2nd lap overlapping with described third portion on the thickness direction of described part 1 And it is the most nonoverlapping with described part 2 and described third portion on the thickness direction of described part 1 Non-overlapped part,
Described through hole or described recess are positioned at described non-overlapped part.
For the diaper of technical scheme 1, in the part 1 of absorbed layer, at the 1st lap and the 2nd weight Folded part overlaps with the part 2 and the 3rd of absorbed layer respectively on the thickness direction of the part 1 of absorbed layer Part, and in non-overlapped part, the most underlapped on the thickness direction of the part 1 of absorbed layer have absorption The part 2 of layer and third portion.Thus, the thickness direction of the part 1 along absorbed layer is being compressed When the pressure of diaper puts on diaper, (such as, multiple diapers of technical scheme 1 are with along the 1st of absorbed layer When the state that the thickness direction divided is compressed by is adjacent to be accommodated in container each other), with the 1st lap The part 2 of overlapping absorbed layer and the third portion of the absorbed layer overlapping with the 2nd lap are as pressure Cushion function, protects non-overlapped part not to be stressed impact.Therefore, top flat be configured at non-heavy The part of folded part is difficult to be applied in the pressure pressing of diaper.Further, since through hole or recess are positioned at Non-overlapped part, even if therefore the part being configured at non-overlapped part of top flat is pressed, it is also possible to be retracted into In through hole or in recess.So, though along absorbed layer part 1 thickness direction compression diaper Pressure put on diaper, the part being configured at non-overlapped part of top flat is also difficult to be pressed, though quilt In pressing also is able to recede into through hole or in recess, be thus susceptible to maintenance top flat is configured at non-overlapping portion The form of the protuberance of the part divided.
In a preferred technical scheme (technical scheme 2) of the diaper of technical scheme 1,
(a) when described diaper has been unfolded,
Described absorbed layer, in addition to having described part 1～described 5th part, also has by described The 6th following part that 1 imaginary plane～described 4th imaginary plane are divided into and the 7th part:
6th part, its end edge portion from the described 1st imaginary plane side of described 4th part is along described minor face Direction extends to the end edge portion of described absorbed layer；And
7th part, its end edge portion from the described 2nd imaginary plane side of described 4th part is along described minor face Direction extends to the end edge portion of described absorbed layer,
(b) when described diaper has been folded,
By by described diaper at described 1st imaginary line to described top flat lateral buckling, thus the described 4th Part partly overlaps with the described 6th on the thickness direction of described 4th part,
By by described diaper at described 2nd imaginary line to described top flat lateral buckling, thus the described 4th Part partly overlaps with the described 7th on the thickness direction of described 4th part,
By described diaper at described 1st imaginary line and at described 2nd imaginary line to described top flat After lateral buckling, this diaper at described 3rd imaginary line to described top flat lateral buckling, thus described Described 1st lap of part 1 on the thickness direction of described part 1 from described 1st overlapping portion Point side is risen and is partly overlapped with described part 2, described 6th part and the described 4th successively, described 1st Point described 2nd lap on the thickness direction of described part 1 from described 2nd lap side Partly overlap with described third portion, described 7th part and the described 4th successively.
For the diaper of technical scheme 2, in the part 1 of absorbed layer, the some (of absorbed layer 2 parts, the 6th part and the 4th part) overlapping with the 1st lap, the some (of absorbed layer 3 parts, the 7th part and the 4th part) overlapping with the 2nd lap.Thus, will be along absorbed layer The pressure of thickness direction compression diaper of part 1 (such as, technical scheme more than 2 when putting on diaper Individual diaper is adjacent to be accommodated in the state that the thickness direction along the part 1 of absorbed layer is compressed by each other During container), the some of the absorbed layer overlapping with the 1st lap (part 2, the 6th part and 4th part) and the absorbed layer overlapping with the 2nd lap some (third portion, the 7th part with And the 4th part) as stress relief layer function, protect non-overlapped part not to be stressed impact.Cause This, the part being configured at non-overlapped part of top flat is difficult to be applied in the power pressing of diaper, it is easy to maintain The form of the protuberance of the part being configured at non-overlapped part of top flat.
In a preferred technical scheme (technical scheme 3) of the diaper of technical scheme 2,
(a) when described diaper has been unfolded,
Described absorbed layer, in addition to having described part 1～described 7th part, also has by described The 8th following part that 1 imaginary plane～described 4th imaginary plane are divided into and the 9th part:
8th part, its end edge portion from the described 1st imaginary plane side of described 5th part is along described minor face Direction extends to the end edge portion of described absorbed layer；And
9th part, its end edge portion from the described 2nd imaginary plane side of described 5th part is along described minor face Direction extends to the end edge portion of described absorbed layer,
(b) when described diaper has been folded,
By by described diaper at described 1st imaginary line to described top flat lateral buckling, thus the described 5th Part partly overlaps with the described 8th on the thickness direction of described 5th part,
By by described diaper at described 2nd imaginary line to described top flat lateral buckling, thus the described 5th Part partly overlaps with the described 9th on the thickness direction of described 5th part,
By by described diaper at described 1st imaginary line and at described 2nd imaginary line to described top After sheet lateral buckling, this diaper at described 3rd imaginary line to described top flat lateral buckling, then exist To described top flat lateral buckling at described 4th imaginary line, thus described 1st overlapping portion of described part 1 Point on the thickness direction of described part 1 from described 1st lap side successively with described 2nd Divide, described 6th part, described 4th part, described 8th part and the described 5th partly overlap, described Described 2nd lap of part 1 on the thickness direction of described part 1 from described 2nd overlapping portion Point side rise successively with described third portion, described 7th part, described 4th part, described 9th part and Described 5th partly overlaps.
For the diaper of technical scheme 3, in the part 1 of absorbed layer, the some (of absorbed layer 2 parts, the 6th part, the 4th part, the 8th part and the 5th part) overlapping with the 1st lap, inhale Receive layer some (third portion, the 7th part, the 4th part, the 9th part and the 5th part) with 2nd lap is overlapping.Thus, the thickness direction of the part 1 along absorbed layer is being compressed diaper When pressure puts on diaper, (such as, multiple diapers of technical scheme 3 are with the thickness of the part 1 along absorbed layer When the state that degree direction is compressed by is adjacent to be accommodated in container each other), the suction overlapping with the 1st lap Receive layer some (part 2, the 6th part, the 4th part, the 8th part and the 5th part) and The some of the absorbed layer overlapping with the 2nd lap (third portion, the 7th part, the 4th part, 9 parts and the 5th part) as stress relief layer function, protect non-overlapped part not to be stressed shadow Ring.Therefore, the part being configured at non-overlapped part of top flat is difficult to be applied in the power pressing of diaper, easily Form in the protuberance of the part being configured at non-overlapped part maintaining top flat.
In a preferred technical scheme (technical scheme 4) of the diaper of technical scheme 3,
When described diaper has been unfolded,
Described recess or described through hole in the short side direction substantial middle of described diaper along described diaper Long side direction extends,
Described part 1, described part 2 and described third portion form the crotch part of described diaper,
Described 4th part, described 6th part and described 7th part form the veutro portion of described diaper,
Described 5th part, described 8th part and described 9th part form the drosal part of described diaper.
In the diaper of technical scheme 4, the recess of absorbed layer or through hole are formed at the crotch part of diaper, Further, diaper short side direction substantial middle along diaper long side direction extend.Thus, absorbed layer The position of recess or through hole is the most consistent with the position of the pudendum of wearer (homaluria mouth), thus Improve the diaper stickiness relative to wearer.It addition, the part that the pudendum of wearer is abutted is difficult to into For moisture state, therefore prevent the sense of discomfort of wearer.
A preferred technical scheme (technical side in the diaper any one of technical scheme 1～technical scheme 4 Case 5) in,
When described diaper has been unfolded,
Described part 2 has the end edge portion of the described 1st imaginary plane side from described part 1 along described Short side direction extend high weight per unit area part and from described high weight per unit area part along institute State the low weight per unit area part that short side direction extends further,
Described third portion has the end edge portion of the described 2nd imaginary plane side from described part 1 along described Short side direction extend high weight per unit area part and from described high weight per unit area part along institute State the low weight per unit area part that short side direction extends further.
For the diaper of technical scheme 5, the high weight per unit area part of the part 2 of absorbed layer is absorbing A part of overlapping with the 1st lap on the thickness direction of the part 1 of layer, the part 2 of absorbed layer Low weight per unit area part overlapping with another part on the thickness direction of the part 1 of absorbed layer. Thus, when the pressure that the thickness direction of the part 1 along absorbed layer compresses diaper puts on diaper (such as, multiple diapers of technical scheme 5 are compressed by with the thickness direction along the part 1 of absorbed layer When state is adjacent to be accommodated in container each other), pressure is prone in the 1st lap and absorbed layer Part 2 high weight per unit area partly overlapping part transmission, it is difficult to the 2nd with absorbed layer The low weight per unit area partly overlapping part transmission divided.Therefore, top flat be configured at the 1st overlapping portion The part of the partly overlapping part of low weight per unit area of the part 2 with absorbed layer in Fen be difficult to by Put on the pressure pressing of diaper, it is easy to maintain the form of the protuberance of this topsheet portion.
For the diaper of technical scheme 5, the high weight per unit area part of the third portion of absorbed layer is absorbing A part of overlapping with the 2nd lap on the thickness direction of the part 1 of layer, the third portion of absorbed layer Low weight per unit area part overlapping with another part on the thickness direction of the part 1 of absorbed layer. Thus, when the pressure that the thickness direction of the part 1 along absorbed layer compresses diaper puts on diaper (such as, multiple diapers of technical scheme 5 are compressed by with the thickness direction along the part 1 of absorbed layer When state is adjacent to be accommodated in container each other), pressure is prone in the 2nd lap and absorbed layer The high weight per unit area partly overlapping part transmission of third portion, it is difficult to the third portion with absorbed layer Low weight per unit area partly overlapping part transmission.Therefore, top flat be configured at the 2nd lap In the part of the partly overlapping part of low weight per unit area of the third portion with absorbed layer be difficult to be executed It is added on the pressure pressing of diaper, it is easy to maintain the form of the protuberance of this topsheet portion.
In a preferred technical scheme (technical scheme 6) of the diaper of technical scheme 5,
Described absorbed layer has the 1st layer of the end edge portion extending to described absorbed layer and does not extend intos described suction The 2nd layer of the end edge portion of receipts layer,
Described high weight per unit area part is formed by the part of described 1st layer and described 2 plies,
Described low weight per unit area part by described 1st layer not with the part of described 2nd ply Formed.
In the diaper of technical scheme 6, it is possible to be readily formed the part 2 of absorbed layer and third portion High weight per unit area part and low weight per unit area part.It addition, the height of the part 2 of absorbed layer The thickness of weight per unit area part is than the thickness of the low weight per unit area part of the part 2 of absorbed layer Greatly, therefore diaper is put at the pressure that the thickness direction of the part 1 along absorbed layer is compressed diaper Time (such as, multiple diapers of technical scheme 6 are compressed by with the thickness direction of the part 1 along absorbed layer State when being adjacent to each other be accommodated in container), pressure is prone to the 1st weight of the part 1 to absorbed layer The high weight per unit area partly overlapping part transmission of in folded part and absorbed layer part 2, It is difficult to transmit to the partly overlapping part of low weight per unit area with the part 2 of absorbed layer.Similarly, Owing to the thickness of high weight per unit area part of third portion of absorbed layer is than the third portion of absorbed layer The thickness of low weight per unit area part is big, and therefore pressure is prone to the 2nd overlap of the part 1 to absorbed layer The high weight per unit area partly overlapping part transmission of in part and absorbed layer third portion, difficult To transmit to the partly overlapping part of low weight per unit area with the third portion of absorbed layer.Therefore, top The low weight per unit area part weight of the part 2 with absorbed layer being configured in the 1st lap of sheet The part of folded part and the third portion with absorbed layer being configured in the 2nd lap of top flat The part of the partly overlapping part of low weight per unit area is difficult to be applied in the pressure pressing of diaper, it is easy to Maintain the form of the protuberance of these topsheet portion.
In a preferred technical scheme (technical scheme 7) of the diaper of technical scheme 6, described 1st layer It is positioned at than the described 2nd layer of position by described top flat side.
In the diaper of technical scheme 7, the 1st layer of the end edge portion extending to absorbed layer is positioned at top flat side, because of This wearer is not easy to experience the difference of height because of caused by the difference in size of the layers 1 and 2 of absorbed layer, The wearing feeling of diaper improves.
The diaper collecting part of one technical scheme of the present invention includes in technical scheme 1～technical scheme 7 arbitrary Diaper described in Xiang and receive the container of described diaper in the way of described diaper maintains folded state.
For the diaper collecting part of the technical program, by the thickness direction pressure of the part 1 along absorbed layer (such as, technical scheme 1～multiple any one of technical scheme 7 when the pressure of reducing urination pad puts on diaper Diaper is adjacent to be accommodated in appearance with the state that the thickness direction along the part 1 of absorbed layer is compressed by each other During device), the part of the non-overlapped part of the part 1 being configured at absorbed layer of top flat is difficult to be pressed, i.e. Make to be pressed also be able to recede into through hole in or recess in, be thus susceptible to maintain being configured at of top flat non- The form of the protuberance of the part of lap.
Hereinafter, diaper and the embodiment of diaper collecting part of the present invention are described based on accompanying drawing.
As shown in Fig. 1～10, the diaper 1 as an embodiment of the diaper of the present invention includes liquid permeability Top flat 2, the egative film 3 of opaque liquid and the absorbed layer 4 of absorbency being configured between top flat 2 and egative film 3, This diaper 1 is can be folded in the way of launching.
Hereinafter, about diaper 1, it is divided into situation and (b) urine of the state that (a) diaper 1 has been unfolded The situation of the state that pad 1 has been folded illustrates.Additionally, about constitute diaper 1 component (top flat 2, Egative film 3, absorbed layer 4 etc.), for convenience's sake, illustrate in (a).
The situation of a state that () diaper 1 has been unfolded
Based on Fig. 1～Fig. 6, the diaper 1 of deployed condition is described.Fig. 1 is the vertical view of the diaper 1 of deployed condition Figure, Fig. 2 is the exploded perspective view of diaper 1, and Fig. 3 is the line A-A sectional view of Fig. 1, and Fig. 4 is diaper 1 institute The amplification stereogram of the local of the top flat 2 possessed, Fig. 5 is the thickness side representing the diaper 1 with deployed condition To vertical imaginary plane and be projection the 1st layer of absorbed layer 4 that have the diaper 1 of deployed condition to be possessed The figure of the imaginary plane of 41 and the 2nd layer 42, Fig. 6 be for illustrate diaper 1 by the 1st imaginary plane P1～the 4 imaginary plane P4Nine parts (part 1 10a～the 9th part 10i) being divided into and these nine parts The figure of nine parts (part 1 40a～the 9th part 40i) of the absorbed layer 4 comprised.
The most orthogonal X-direction, Y-direction and Z-direction shown in Fig. 1～Fig. 6 respectively with deployed condition Diaper 1 and top flat 2, egative film 3 and the long side direction of absorbed layer 4, short side direction as its structural elements And thickness direction is consistent.Additionally, in this manual, the size of X-direction is referred to as " length ", The size of Y-direction is referred to as " width ", the size of Z-direction is referred to as " thickness ".
As it is shown in figure 1, the diaper 1 of deployed condition have along diaper 1 long side direction arrange veutro portion 11, Crotch part 12 and drosal part 13.When wearer wears diaper 1, veutro portion 11 is resisted against wearer's Abdominal part, crotch part 12 is resisted against the crotch part of wearer, drosal part 13 be resisted against wearer buttocks and/ Or back.
Diaper 1 is positioned at inner side (the skin side of wearer), the position, surface of egative film 3 side with the surface of top flat 2 side Mode in outside (for garment side in the case of clothes is worn by wearer) is worn.By wearing The urine that the person of wearing excretes permeates to absorbed layer 4 via top flat 2, and absorbed layer 4 absorbs, keeps.Absorbed Layer 4 absorbs, the leakage of the urine of holding utilizes egative film 3 to prevent.
Top flat 2 is the liquid-permeable sheet that can pass through for the urine excreted by wearer.As shown in Figure 1 to 4, Top flat 2 has the skin contact face 21 being formed with protrusion 211 (example of protuberance).The skin of top flat 2 Contact surface 21 is the face abutted with the skin of wearer when wearer wears diaper 1, and is wearer The face of the supply of urine is accepted during excretion urine.Additionally, skin contact face 21 be positioned in the two sides of top flat 2 with The face of the side that face that absorbed layer 4 is configured is contrary.
As shown in Figure 1 to 4, along diaper 1 long side direction extend multiple protrusions 211 along diaper 1 Short side direction, to arrange the most at equal intervals, is formed with a groove portion between two adjacent protrusions 211 212.Thus, the multiple protuberances including extending along the long side direction of diaper 1 it are formed with in skin contact face 21 The ridge groove structure 210 in multiple groove portions 212 that portion 211 and the long side direction along diaper 1 extend.Additionally, In Fig. 1 and Fig. 2, eliminate a part for ridge groove structure 210.But, such condition is the present invention's In diaper not necessarily.Thus, as other embodiments, the diaper of the present invention comprises protrusion 211 Embodiment (such as, the protrusion extended along the direction in addition to the long side direction except diaper 1 with groove portion 212 211 and groove portion 212 along diaper 1 short side direction extend and on the long side direction of diaper 1 arrangement enforcement Mode), at least one in protrusion 211 and groove portion 212 extends discontinuously along the long side direction of diaper 1 Embodiment, protrusion 211 and groove portion 212 change direction while (such as, corrugated) extends Embodiment, between two adjacent protrusions 211, it is configured with the embodiment party in plural groove portion 212 Formula, the inconstant embodiment in interval of adjacent two protrusions 211, adjacent two groove portions 212 It is spaced inconstant embodiment and the plural enforcement can and will deposited in these embodiments Mode combines the embodiment obtained.Additionally, protrusion 211 and groove portion 212 are along the long side direction of diaper 1 The present embodiment extended is favourable at following aspect: be supplied to the urine of top flat 2 along protrusion 211 He Groove portion 212 spreads on the long side direction of diaper 1, therefore, it is possible to prevent from urinating the short side direction along diaper 1 The urine spread and thus cause is from the leakage of diaper 1.
As shown in Figure 3 and Figure 4, the surface of protrusion 211 is curved surface, and the cross sectional shape of protrusion 211 is court To surface in substantially inverted u-shaped shape.But, such condition is not must in the diaper of the present invention Must.Thus, as other embodiments, the diaper of the present invention comprises the cross sectional shape of protrusion 211 Embodiment for trapezoidal shape, triangular shape etc..Additionally, comprise present embodiment, protrusion 211 The embodiment attenuated towards top from bottom is favourable in terms of following: though protrusion 211 quilt The power (such as, the body pressure of wearer) putting on diaper 1 is flattened, it is also possible to maintain groove portion 212 Space.
As shown in Figure 4, protrusion 211 has thickness T1, and groove portion 212 has thickness T2.Protrusion 211 Thickness T1 be usually 0.3mm～1.5mm, preferably 0.6mm～1.4mm, more preferably 0.8mm～ 1.2mm, the thickness T2 in groove portion 212 are usually 0.1mm～0.5mm, preferably 0.2mm～0.4mm, More preferably 0.2mm～0.3mm.Additionally, the measurement of the thickness in protrusion and groove portion is to use from diaper The top flat sample of the 100mm × 100mm cut out and laser displacement gauge (such as, Keyemce Co., Ltd. system High-precision two-dimensional laser displacement gauge LJ-G series (model: LJ-G030)) connect with non-as described below Tactile mode is implemented.Top flat sample is placed on the test desk of level, five different protrusions are used Laser displacement gauge measures the displacement of measurement platform, using the meansigma methods of five measured values as the thickness of protrusion (mm).Similarly, for five different groove portions, measure the displacement of measurement platform with laser displacement gauge, Using the meansigma methods of five measured values as the thickness (mm) in groove portion.
As shown in Figure 4, protrusion 211 has width W1, and groove portion 212 has width W2.Protrusion 211 Width W1 be usually 2.0mm～5.0mm, preferably 3.0mm～4.0mm, the width in groove portion 212 W2 is usually 1.0mm～3.0mm, preferably 1.0mm～2.0mm.Two adjacent protrusions 211 The width W2 in generally equal to groove portion, interval, the interval in two adjacent groove portions 212 is generally equal to protrusion The width of 211.The width W1 of protrusion 211 be based on without the top flat 2 under pressurized state planar picture or Plane picture, as between protrusion 211 and the demarcation line between two groove portions 212 of its both sides Distance and measure.The width W2 in groove portion 212 is also same.
In the present embodiment, the thickness T1 and width W1 of protrusion 211 is for which protrusion It is roughly the same.The thickness T2 and width W2 in groove portion 212 are also same.But, such condition The diaper of the present invention is not necessary.Thus, as other embodiments, the diaper of the present invention Comprise the embodiment that there is the thickness protrusion different with width 211, and there is thickness and width not The embodiment in same groove portion 212.
The liquid-permeable sheet used as top flat 2 is hot-wind nonwoven cloth.It is formed with the hot blast of ridge groove structure 210 Non-woven fabrics such as can manufacture in the following way: at the sheet of knitting containing thermoplastic resin fibre, (pile is knitted Thing) on define ridge groove structure 210 after, blow hot blast and the thermoplastic resin fibre that makes to knit in sheet that Cross section thermal welding around here.
As knitting the method forming ridge groove structure 210 on sheet, include, for example Japanese Unexamined Patent Publication 2008- No. 25079 publications, Japanese Unexamined Patent Publication 2008-23326 publication, Japanese Unexamined Patent Publication 2009-30218 publications Method described in Deng.Utilize these methods, sheet will be knitted and be placed in aeration supporting member (such as, net Shape supporting member), make aeration supporting member move to predetermined direction, while to the upper table knitting sheet Face blows gas (usually air) continuously such that it is able to form ridge groove structure 210 on sheet knitting.This Outward, form the groove portion 212 of the moving direction extension along aeration supporting member in the region blowing gas, Further, between two adjacent groove portions 212, protrusion 211 is formed.Now, the region of gas is blowed Fiber to two side shiftings in groove portion 212, therefore the weight per unit area of protrusion 211 be usually above groove portion The weight per unit area of 212.Protrusion 211 and the quantity in groove portion 212, interval, weight per unit area, Fibre densities etc. can be by adjusting the quantity of nozzle, bore and spacing, the gas ejected from nozzle Temperature and emitted dose, knit the tension force etc. of sheet, be adjusted to desired scope.
As constituting the thermoplastic resin knitting the thermoplastic resin fibre contained by sheet, include, for example polyene Hydrocarbon, polyester, polyamide etc..As polyolefin, include, for example straight-chain low density polyethylene (LLDPE), Low Density Polyethylene (LDPE), medium density polyethylene (MDPE), high density polyethylene (HDPE) (HDPE), (such as, ethane-acetic acid ethyenyl ester is common for polypropylene, polybutene, copolymer based on above-mentioned substance Polymers (EVA), ethylene-ethyl acrylate copolymer (EEA), ethylene-acrylic acid copolymer (EAA), Ionomer resin) etc..As polyester, include, for example with polyethylene terephthalate (PET), PTT (PTT), polybutylene terephthalate (PBT) (PBT), polylactic acid, Straight-chain headed by polyglycolic acid or the carbon number of branch-like are not more than the poly-of the poly-hydroxyalkanoate hydrocarbon acid etc. of 20 Ester, based on the copolymer of these materials, with p-phthalic acid alkane diol ester as main component and with few The copolyester etc. of other composition copolymerization of amount.As polyamide, include, for example 6-nylon, 6, 6-nylon etc..Thermoplastic resin fibre preferably carries out hydrophilicity-imparting treatment.As thermoplastic resin fibre's Hydrophilicity-imparting treatment, include, for example and make use of the process of surfactant, hydrophilizing agent etc. (such as, to fibre Dimension is internal mixes surfactant, to fiber surface coating surfactant etc.), plasma process etc..
Thermoplastic resin fibre can also be made up of a kind of thermoplastic resin, but it is preferred that containing two kinds with On the composite fibre of thermoplastic resin.Preferably composite fibre is sheath-core type conjugate fiber.As formation The thermoplastic resin of the sheath composition of sheath-core type conjugate fiber, selects fusing point than the thermoplastic for forming core composition The low-melting thermoplastic resin of property resin.As the core composition and the sheath composition that form sheath-core type conjugate fiber Thermoplastic resin, include, for example the olefin-based resin such as polyethylene, polypropylene, nylon etc. polyamide-based Resin, polyester based resin, polyacrylonitrile based resin etc..Preferred for forming the thermoplastic resin of sheath composition Be polyethylene (such as, high density polyethylene (HDPE), Low Density Polyethylene, straight-chain Low Density Polyethylene, The mixture etc. of these polyethylene), for formed core composition thermoplastic resin preferably polypropylene and Polyester.Preferably, the core composition of sheath-core type conjugate fiber and the center of sheath composition are substantially uniform, Will not manifest because of the spiral helicine curling caused by heating.
The protrusion 211 (convex strip portions that the long side direction along diaper 1 extends) of present embodiment is protuberance One example, the protuberance in the skin contact face being formed at top flat 2 is not limited to protrusion 211.Implement as other Mode, the diaper of the present invention comprises and has the non-woven fabrics in the skin contact face being formed with many protuberances as top Sheet 2 and the embodiment that uses.Come for having the non-woven fabrics in the skin contact face being formed with many protuberances Say, be formed the part of protuberance thickness (from the lower surface of non-woven fabrics to the top of protuberance away from From), do not form the thickness of the part (recess) of protuberance (from the deepest to recess of the lower surface of non-woven fabrics Distance till portion), the pitch (distance between the top of two adjacent protuberances) of protuberance etc. can Consider that the function (such as, improve liquid permeability, improve skin sense of touch etc.) of sag and swell is suitably adjusted Whole.As the method manufacturing the non-woven fabrics with the skin contact face being formed with many protuberances, profit can be enumerated Method, the thermal stretching utilizing thermally extensible fiber and/or the thermal contraction of heat-shrinkable fiber extended with gear Method etc..
As the method utilizing gear to extend, include, for example Japanese Unexamined Patent Publication 2004-174234 publication, The side that Japanese Unexamined Patent Publication 2009-160035 publication, Japanese Unexamined Patent Publication 2009-201964 publication etc. are described Method.Utilize these methods, after utilizing gear to extend the 1st concavo-convex figuration of nonwoven layer, Part in addition to protuberance engages partly with the 2nd nonwoven layer such that it is able to manufactures and has and be formed perhaps The non-woven fabrics in the skin contact face of many protuberances.The protuberance of the non-woven fabrics so prepared is grand to side, skin contact face Rising, inside becomes cavity.As the shape of protuberance, include, for example the crest line flat length with fillet Cube or truncated rectangular pyramids body, summit with fillet pyramid-shaped (such as, Rhizoma Sparganii taper, tetrapyamid shape etc.), Summit is with coniform, the arcuation etc. of fillet.For staggered clathrate when protuberance such as can be configured to overlook. Protuberance be configured to staggered cancellate in the case of, recess between two adjacent protuberances (i.e., Four recesses are positioned at around a protuberance).For making as the 1st nonwoven layer and the 2nd nonwoven layer Non-woven fabrics for, include, for example spun-bonded non-woven fabrics, some bonded non-woven fabrics, spun-laced nonwoven fabric, acupuncture Non-woven fabrics, melt spraying non-woven fabrics, and combination (such as, spunbond melt-spun spunbond (SMS) of these non-woven fabrics Non-woven fabrics etc.) etc..1st nonwoven layer such as can utilize the 1st non-woven fabrics with the joint of the 2nd nonwoven layer The hot melt of the thermoplastic resin fibre contained by layer and/or the 2nd nonwoven layer fetches enforcement.Thermoplastic resin Meaning and the concrete example of fiber are same as described above.
As the method for the thermal contraction of the thermal stretching and heat-shrinkable fiber utilizing thermally extensible fiber, such as The described methods such as Japanese Unexamined Patent Publication 2012-5701 publication can be enumerated.According to the method, at skin Contact surface side has thermally extensible fiber layer and having in side, non-skin contact face and utilizes junction surface and heat The fibrolaminar lamination sheets of heat-shrinkable that extensibility fibrous layer engages partly carries out heat treated, utilizes heat The fibrolaminar thermal stretching of extensibility and the fibrolaminar thermal contraction of heat-shrinkable make thermally extensible fiber layer to flesh Skin contact surface side is swelled such that it is able to manufacture the nonwoven with the skin contact face being formed with many protuberances Cloth.Thermally extensible fiber contained by thermally extensible fiber layer both can utilize heat treated and reality Fibre length elongation fiber (such as, resin crystalline state change and the fibre length of reality elongation Fiber), it is also possible to be to utilize heat treated and the fibre length of reality does not extends but apparent fiber is long (curling of the zigzag that such as, manifested, Ω shape, helical form etc. is released from and outer for the fiber of degree elongation The crimped fibre of the fibre length elongation in sight).Various thermally extensible fibers are known (examples As, Japanese Unexamined Patent Publication 2004-218183 publication, Japanese Unexamined Patent Publication 2005-350836 publication, Japan spy Open 2007-303035 publication, Japanese Unexamined Patent Publication 2007-204899 publication, Japanese Unexamined Patent Publication 2007- No. 204901 publications, Japanese Unexamined Patent Publication 2007-204902 publication, Japanese Unexamined Patent Publication 2008-101285 public affairs Report etc.), it is possible to properly select and use.Heat-shrinkable fiber contained by heat-shrinkable fibrous layer was both Can be to utilize heat treated and the fiber that shortens of the fibre length of reality, it is also possible to be to utilize heat treated And the fibre length of reality does not shortens but fiber that apparent fibre length shortens (such as, manifests sawtooth Shape, Ω shape, spiral helicine curling and potential crimping property fiber that apparent fibre length shortens).Respectively The heat-shrinkable fiber planting various kinds is known (such as, Japanese Unexamined Patent Publication 9-296325 publication, day This Unexamined Patent 2-191720 publication, Japanese Unexamined Patent Publication 2007-177335 publication), it is possible to suitably select And use.The junction surface that thermally extensible fiber layer and heat-shrinkable fibrous layer are engaged partly e.g. by The recess that heat embossing process is formed.Submission wrong clathrate when junction surface such as can be configured to overlook.By many The region that individual engagement portion envelopes is passed through to swell to side, skin contact face with these junction surfaces for starting point, Thus it is formed with a protuberance, therefore the quantity at junction surface, position etc. can consider the formative of protuberance, fluffy Song Xing etc. and suitably adjust.
As the method for the thermal contraction utilizing heat-shrinkable fiber, include, for example Japanese Unexamined Patent Publication 2002- No. 187228 publications, Japanese Unexamined Patent Publication 2003-247155 publication, Japanese Unexamined Patent Publication 2007-177340 public affairs The method that report etc. are described.According to these methods, in side, skin contact face, there is non-thermal contraction fiber Layer and have in side, non-skin contact face and utilize junction surface to engage partly with non-thermal contraction fibrous layer The fibrolaminar lamination sheets of heat-shrinkable carry out heat treated, utilize the fibrolaminar thermal contraction of heat-shrinkable to make Non-thermal contraction fibrous layer swells to side, skin contact face such that it is able to manufactures to have and is formed with many protuberances The non-woven fabrics in skin contact face.Non-thermal contraction fiber contained by non-thermal contraction fibrous layer is the most permissible It is the fiber without heat-shrinkable, it is also possible to be that there is heat-shrinkable but its thermal contraction starts temperature The thermal contraction of degree heat-shrinkable fiber contained by specific heat retractable fibre layer starts the fiber that temperature is high (that is, the thermal contraction at the heat-shrinkable fiber contained by heat-shrinkable fibrous layer starts the temperature of below temperature The fiber of substantially not thermal contraction under degree).As non-thermal contraction fiber, include, for example artificial silk etc. Regenerated fiber；The semisynthetic fibres such as acetate fiber；The natural fibers such as cotton, Pilus Caprae seu Ovis；Polyolefin is (such as, Polyethylene, polypropylene etc.), polyester (such as polyethylene terephthalate etc.), the heat of polyamide etc. Plastic resin fiber etc..Heat-shrinkable fiber and the meaning at junction surface and concrete example are same as described above.
As the method for the thermal stretching utilizing thermally extensible fiber, include, for example Japanese Unexamined Patent Publication 2005- The method that No. 350836 publications, Japanese Unexamined Patent Publication 2010-168715 publications etc. are described.According to these sides Method, to having thermally extensible fiber layer in side, skin contact face and having utilization in side, non-skin contact face The fibrolaminar lamination sheets of non-thermally extensible that junction surface engages partly with thermally extensible fiber layer adds Heat treatment, utilizes the thermal stretching of thermally extensible fiber layer to make thermally extensible fiber layer grand to side, skin contact face Rise such that it is able to manufacture the non-woven fabrics with the skin contact face being formed with many protuberances.Non-thermally extensible Non-thermally extensible fiber contained by fibrous layer both can be the fiber the most without thermally extensible, also Can be that there is thermally extensible but its thermal stretching starts temperature stretches than the heat contained by thermally extensible fibrous layer The thermal stretching of long property fiber starts the high fiber of temperature and (that is, stretches in the heat contained by thermally extensible fiber layer The thermal stretching of long property fiber starts the fiber of substantially not thermal stretching at a temperature of below temperature).As non- Thermally extensible fiber, include, for example the regenerated fibers such as artificial silk；The semisynthetic fibres such as acetate fiber；Cotton, The natural fibers such as Pilus Caprae seu Ovis；Polyolefin (such as, polyethylene, polypropylene etc.), polyester are (such as poly-to benzene Naphthalate etc.), the thermoplastic resin fibre etc. of polyamide etc..Thermally extensible fiber and joint Meaning and the concrete example in portion are same as described above.
The weight per unit area of top flat 2 is it can be considered that skin sense of touch etc. suitably adjust.Hot-wind nonwoven cloth Weight per unit area be usually 20g/m2～40g/m2, preferably 25g/m2～35g/m2。
From the opacifying property viewpoint improving top flat 2, it is possible to make top flat 2 containing titanium oxide, barium sulfate, carbonic acid The inorganic fillers such as calcium.In the case of top flat 2 comprises sheath-core type conjugate fiber, it is possible to make core composition and sheath One or both in composition contains inorganic filler.
In the present embodiment, other liquid-permeable sheet is not between top flat 2 and absorbed layer 4, but so Condition be not necessary in the diaper of the present invention.Thus, as other embodiments, the present invention Diaper be included between top flat 2 and absorbed layer 4 embodiment of the liquid-permeable sheet being configured with other.As Liquid-permeable sheet in addition to top flat 2, include, for example second be configured between top flat 2 and absorbed layer 4. For the liquid-permeable sheet used as second, include, for example non-woven fabrics, weave cotton cloth, be formed The synthetic resin film etc. of liquid drain hole, but preferably non-woven fabrics in these materials.
Egative film 3 is to be prevented from the opaque liquid sheet of the leakage of urine that absorbed layer 4 absorbs, keeps.As Opaque liquid sheet, include, for example non-woven fabrics (such as, the some bonded non-woven fabrics (point implementing water-proofing treatment Bond nonwoven), spun-bonded non-woven fabrics, spun-laced nonwoven fabric etc.), synthetic resin (such as, polyethylene, Polypropylene, polyethylene terephthalate etc.) film, the composite sheet etc. of non-woven fabrics and synthetic resin film. In the present embodiment, between egative film 3 and absorbed layer 4, there is not other opaque liquid sheet, but so Condition be not necessary in the diaper of the present invention.Thus, as the enforcement beyond present embodiment Mode, the diaper of the present invention is included between egative film 3 and absorbed layer 4 the opaque liquid sheet being configured with other Embodiment.
The material of egative film 3, thickness, weight per unit area etc. absorb, keep being prevented from absorbed layer 4 Urine leakage in the range of can suitably adjust.It is sultry in order to reduce when wearing, it is preferred that Egative film 3, in addition to having opaque liquid, also has aeration or poisture-penetrability.
Top flat 2 and egative film 3 engage at circumference overlapping each other.As juncture, include, for example profit With heat embossing process carry out joint, the joint utilizing ultrasonic wave embossed process to carry out, utilize heat molten type glue Connect the joint etc. that agent is carried out.
As shown in FIG. 1 to 3, absorbed layer 4 is configured between top flat 2 and egative film 3.As it is shown in figure 1, absorb Layer 4 is configured to from veutro portion 11 via crotch part 12 until drosal part 13.
As shown in FIG. 1 to 3, absorbed layer 4 has the 1st layer 41 and the 2nd layers 42.But, such condition The diaper of the present invention is not necessary.Thus, as other embodiments, the diaper of the present invention Comprise embodiment that absorbed layer 4 is made up of simple layer and absorbed layer 4 has except the 1st layer 41 and the 2nd layers Outside 42 one layer or the embodiment of layer more than two-layer.
As shown in FIG. 1 to 3, the through hole of the most through 1st layer 41 it is formed with at the 1st layer 41 51, the through hole 52 of the most through 2nd layer 42 it is formed with at the 2nd layer 42.As it is shown in figure 1, Through hole 51 and 52 is positioned at the crotch part 12 of diaper 1, and at the short side direction substantial middle edge urine of diaper 1 The long side direction of pad 1 extends.As shown in FIG. 1 to 3, the 1st layer 41 and the 2nd layers 42 with through hole 51 and 52 Mode (that is, in the way of the through hole 51 and 52 interconnects) stacking of position consistency, thus, On thickness direction, the through hole 5 of through absorbed layer 4 is formed by through hole 51 and 52.Thus, as it is shown in figure 1, For through hole 5, it is positioned at the crotch part 12 of diaper 1 in the same manner as through hole 51 and 52, and at urine The short side direction substantial middle of pad 1 extends along the long side direction of diaper.Therefore, the position of through hole 5 is easy Consistent with the position of the pudendum of wearer (homaluria mouth), thus improve diaper 1 relative to wearer Stickiness.It addition, the part that the pudendum of wearer (homaluria mouth) is abutted is not easy to become moistening State, therefore prevents the sense of discomfort of wearer.
The diaper of the present invention is included in absorbed layer 4 and forms the recess of oriented top flat 2 side opening and replace through The embodiment in hole 5.There is the absorbed layer 4 to the recess of top flat 2 side opening such as to be had by stacking The 1st layer 41 that has through hole 51 and the 2nd layer 42 without through hole 52 and formed.
As depicted in figs. 1 and 2, the substantial middle that plan view shape is long side direction of the 1st layer 41 has attenuated Calabash shaped, the plan view shape of the 2nd layer 42 is rectangular shape.But, such condition is in the present invention Diaper in be not necessary.Thus, as other embodiments, the diaper of the present invention comprises the 1st Layer 41 be shape in addition to calabash shaped, the 2nd layer 42 be the embodiment of shape in addition to rectangular shape.
As shown in Fig. 1～Fig. 3 and Fig. 5, the end edge portion 411 of the long side direction side of the 1st layer 41 and the 2nd layer The end edge portion 421 of the long side direction side of 42 is substantially uniform, the ora terminalis of the long side direction opposite side of the 1st layer 41 Portion 412 is substantially uniform with the end edge portion 422 of the long side direction opposite side of the 2nd layer 42.On the other hand, the 1st layer The end edge portion 413 of the short side direction side of 41 is positioned at the end edge portion 423 of the short side direction side than the 2nd layer 42 By the position outside short side direction, the end edge portion 414 of the short side direction opposite side of the 1st layer 41 is positioned at ratio the 2nd The end edge portion 424 of the short side direction opposite side of layer 42 is by the position outside short side direction.So, the 2nd layer 42 The end edge portion 421,422 end edge portion 411,412 with the 1st layer 41 consistent, the end edge portion 423 of the 2nd layer 42, 424 are positioned at the position in the inner part of the end edge portion 413,414 than the 1st layer 41, therefore the vertical view shape of absorbed layer 4 The plan view shape of shape and the 1st layer 41 is consistent.That is, the plan view shape of absorbed layer 4 be long side direction substantially The calabash shaped that central authorities have attenuated.Thus, the part attenuated of absorbed layer 4 is prone to fit in wearer's Hip crotch, the position that the position of absorbed layer 4 is prone to the hip crotch with wearer is consistent.But, such bar Part is not necessary in the diaper of the present invention.Thus, the diaper of the present invention comprises the end of the 1st layer 41 At least one in edge 411,412 end edge portion than corresponding the 2nd layer 42 more prolongs along long side direction At least one ratio the corresponding the 1st in the embodiment stretched, and the end edge portion 421,422 of the 2nd layer 42 The embodiment that the end edge portion of layer 41 more extends along long side direction.
In the present embodiment, the position between end edge portion 413 and the end edge portion 423 of the 2nd layer 42 of the 1st layer 41 Put the position relationship between relation and the end edge portion 414 of the 1st layer 41 and the end edge portion 424 of the 2nd layer 42 such as So it is set down.
In the imaginary plane shown in Fig. 5, by the point on the periphery by through hole 51, be positioned at By end edge portion 411 side of the 1st layer 41 position point and along Y-direction extend imaginary line be set to LP, will By in the point on the peristome of through hole 51, be positioned at position by end edge portion 412 side of the 1st layer 41 Point and along Y-direction extend imaginary line be set to LQ, by the point on the periphery by through hole 51, The point being positioned at position by end edge portion 413 side of the 1st layer 41 imaginary line extended in X direction are set to LR, by the point on the periphery by through hole 51, be positioned at by end edge portion 414 side of the 1st layer 41 The point of position the imaginary line extended in X direction are set to LS, by imaginary line LPWith imaginary line LR's Intersection point is set to IPR, by imaginary line LQWith imaginary line LRIntersection point be set to IQR, by imaginary line LPWith Imaginary line LSIntersection point be set to IPS, by imaginary line LQWith imaginary line LSIntersection point be set to IQS。
In the imaginary plane shown in Fig. 5, will be from an IPRWith an IQRAny as on the line segment at two ends Point crossing to the imaginary line that arbitrarily point extends along Y-direction via this end edge portion 413 with the 1st layer 41 The distance of the point of fork is set to D1.In the present embodiment, in the end edge portion 413 of the 1st layer 41, from vacation Think straight line LPThe point intersected extends to and imaginary line LQPart (that is, the change of the 1st layer 41 of the point intersected The end edge portion of the side of thin part) and imaginary line LRAlmost parallel.Thus, imaginary line LRWith the 1st Distance D between the end edge portion 413 of layer 411Constant.Imaginary line LRWith the end edge portion of the 1st layer 41 Distance D between 4131Usually 40mm～100mm, preferably 50mm～70mm.
In the imaginary plane shown in Fig. 5, will be from an IPRWith an IQRAny as on the line segment at two ends Point crossing to the imaginary line that arbitrarily point extends along Y-direction via this end edge portion 423 with the 2nd layer 42 The distance of the point of fork is set to D2.In the present embodiment, due to the 2nd layer 42 overlook time in the form of a substantially rectangular Shape, therefore in the end edge portion 423 of the 2nd layer 42, from imaginary line LPThe point intersected extends to false Think straight line LQThe part of the point intersected and imaginary line LRAlmost parallel.Thus, imaginary line LRWith the 2nd Distance D between the end edge portion 423 of layer 422Constant.Imaginary line LRWith the end edge portion of the 2nd layer 42 Distance D between 4232Usually 30mm～90mm, preferably 40mm～60mm.
In the imaginary plane shown in Fig. 5, will be from an IPSWith an IQSAny as on the line segment at two ends Point crossing to the imaginary line that arbitrarily point extends along Y-direction via this end edge portion 414 with the 1st layer 41 The distance of the point of fork is set to D3.In the present embodiment, in the end edge portion 414 of the 1st layer 41, from vacation Think straight line LPThe point intersected extends to and imaginary line LQPart (that is, the change of the 1st layer 41 of the point intersected The end edge portion of the opposite side of thin part) and imaginary line LSAlmost parallel.Thus, imaginary line LSWith Distance D between the end edge portion 414 of 1 layer 413Constant.Imaginary line LSWith the end edge portion of the 1st layer 41 Distance D between 4143Usually 40mm～100mm, preferably 50mm～70mm.
In the imaginary plane shown in Fig. 5, will be from an IPSWith an IQSAny as on the line segment at two ends Point crossing to the imaginary line that arbitrarily point extends along Y-direction via this end edge portion 424 with the 2nd layer 42 The distance of the point of fork is set to D4.In the present embodiment, due to the 2nd layer 42 overlook time in the form of a substantially rectangular Shape, therefore in the end edge portion 424 of the 2nd layer 42, from imaginary line LPThe point intersected extends to false Think straight line LQThe part of the point intersected and imaginary line LSAlmost parallel.Thus, imaginary line LSWith the 2nd Distance D between the end edge portion 424 of layer 424Constant.Imaginary line LSWith the end edge portion of the 2nd layer 42 Distance D between 4244Usually 30mm～90mm, preferably 40mm～60mm.
Under these conditions, the position between end edge portion 413 and the end edge portion 423 of the 2nd layer 42 of the 1st layer 41 Relation is set as meeting D2>D1Between end edge portion 414 and the end edge portion 424 of the 2nd layer 42 of the/2, the 1st layer 41 Position relationship be set as meeting D4>D3/2.Additionally, as it is shown in figure 5, present embodiment meets these Part.
Different from present embodiment, in distance D1Situation (such as, the end edge portion 413 of the 1st layer 41 of variation In, from imaginary line LPThe point intersected extends to and imaginary line LQIntersect point part not with vacation Think straight line LRAlmost parallel situation) under, distance D2Situation (such as, the ora terminalis of the 2nd layer 42 of variation In portion 423, from imaginary line LPThe point intersected extends to and imaginary line LQThe part of the point intersected Not with imaginary line LRAlmost parallel situation) under, distance D3The situation (such as, the 1st layer 41 of variation End edge portion 414 in, from imaginary line LPThe point intersected extends to and imaginary line LQThe point intersected Part not with imaginary line LSAlmost parallel situation) under or distance D4The situation of variation is (such as, In the end edge portion 424 of the 2nd layer 42, from imaginary line LPThe point intersected extends to and imaginary line LQ Intersect point part not with imaginary line LSAlmost parallel situation) under, the end edge portion 413 of the 1st layer 41 And position relationship between the end edge portion 423 of the 2nd layer 42 and the end edge portion 414 of the 1st layer 41 and the 2nd layer 42 End edge portion 424 between position relationship be set as follows.
By imaginary line LRAnd distance D between the end edge portion 413 of the 1st layer 411Maximum and minima It is set to D1And D (max)1(min), by imaginary line LRAnd between the end edge portion 423 of the 2nd layer 42 away from From D2Maximum and minima be set to D2And D (max)2(min), by imaginary line LSWith the 1st layer 41 End edge portion 414 between distance D3Maximum and minima be set to D3And D (max)3(min), will Imaginary line LSAnd distance D between the end edge portion 424 of the 2nd layer 424Maximum and minima set respectively For D4And D (max)4(min)。
Under these conditions, the position between end edge portion 413 and the end edge portion 423 of the 2nd layer 42 of the 1st layer 41 Relation is set as meeting D2(max)>D1(max) end edge portion 414 of the/2, the 1st layer 41 and the ora terminalis of the 2nd layer 42 Position relationship between portion 424 is set as meeting D4(max)>D3(max)/2.Preferably, the 1st layer 41 End edge portion 413 and the end edge portion 423 of the 2nd layer 42 between position relationship be set as meeting D2(max)>D1(max)/2 and D2(min)>D1(max) end edge portion 414 of the/2, the 1st layer 41 and the 2nd layer 42 Position relationship between end edge portion 424 is set as meeting D4(max)>D3(max)/2 Hes D4(min)>D3(max)/2。
The thickness of the 1st layer 41 and the 2nd layers 42, weight per unit area etc. should be able to possess based on diaper 1 Characteristic (such as, the absorbtivity etc. of urine) suitably adjusts.The thickness of the 1st layer 41 be usually 1.5mm～ 5.0mm, preferably 2.5mm～3.5mm, weight per unit area is usually 150g/m2～400g/m2, excellent Elect 200g/m as2～300g/m2.The thickness of the 2nd layer 42 is usually 1.5mm～5.0mm, is preferably 2.5mm～3.5mm, weight per unit area is usually 150g/m2～400g/m2, preferably 200g/m2~ 300g/m2.Additionally, measuring of the thickness of absorbed layer uses 100mm × 100mm's of cutting out from diaper Absorbed layer sample and commercially available pachometer (such as, PEACOCK society JA257, measuring surface 50mm (diameter), measures pressure 3g/cm2), implement as follows.Utilize pachometer with level pressure 3g/cm2Different five position pressurization to absorbed layer sample, measures the thickness after the pressurization 10 seconds at each position Degree, using the meansigma methods of five measured values as thickness (mm).
The length of through hole 51 and 52, width etc. can sizes etc. based on the 1st layer 41 and the 2nd layers 42 be carried out Suitably adjust.The width of through hole 51 is usually 5.0mm～50mm, preferably 10mm～20mm. The width of through hole 52 is equal with the width of through hole 51 or narrow width than through hole 51, usually 5.0mm～40mm, preferably 10mm～15mm.The length of through hole 51 be usually 50mm～ 300mm, preferably 50mm～200mm, more preferably 50mm～150mm.Through hole 52 Length equal or shorter than the length of through hole 51 with the length of through hole 51, usually 30mm～ 250mm, preferably 30mm～150mm.The width of the width of through hole 51 and length and through hole 52 Equal with length or bigger than the width of through hole 52 and length, even if thus by the 1st layer 41 and the 2nd layers The operation of 42 stackings produce slightly shifted, it is also possible to will observe from top flat 2 side surface of absorbed layer 4 The size of through hole 5 remain constant.Further, since the internal face at through hole 5 produces step, The internal surface area of through hole 5 becomes big, the therefore urine absorbability of the part being formed with through hole 5 of absorbed layer 4 Can improve.
As it is shown on figure 3, the width of through hole 51 at top flat 2 side surface from the 1st layer 41 to egative film 3 side surface In the range of constant.Similarly, the width of through hole 52 from top flat 2 side surface of the 2nd layer 42 to Constant in the range of egative film 3 side surface.But, such condition in the diaper of the present invention not It is necessary.Thus, as other embodiments, the diaper of the present invention comprise through hole 51 width and One or both in the width of through hole 52 from top flat 2 side surface of the 1st layer 41 towards egative film 3 side surface Diminish or become big embodiment.
It is positioned at 2nd layer 42 less than the size basis by the position of top flat 2 side at larger-size 1st layer 41 In embodiment, wearer is not easy to feel the height because of caused by the difference in size of the 1st layer 41 and the 2nd layers 42 Difference, the wearing feeling of diaper 1 improves.But, such condition is not necessary in the diaper of the present invention 's.Thus, as other embodiments, the diaper of the present invention comprises the 2nd layer 42 to be positioned to be leaned on than the 1st layer 41 The embodiment of the position of top flat 2 side.
Absorbed layer 4 has by the 1st layer of high weight per unit area that 41 and the 2nd layers of 42 equitant part are formed Part and by the low weight per unit area part not formed with the 2nd layer of 42 overlapping part of the 1st layer 41.This Outward, high weight per unit area refers to the height of relative weight per unit area with low weight per unit area.That is, High weight per unit area part refers to the weight per unit area unit are than low weight per unit area part The part that weight is high, low weight per unit area part refers to that weight per unit area is than high weight per unit area portion Point the low part of weight per unit area.
The 1st layer 41 and the 2nd layers 42 of absorbed layer 4 are containing the absorption that can absorb the urine excreted by wearer Property material.As absorbent material, include, for example hydrophilic fibre, superabsorbent polymer etc..Make For hydrophilic fibre, include, for example wood pulp (such as, the mill obtained with coniferous tree or broad leaf tree for raw material Wood pulp, fine grinding wood pulp are (English: refiner ground pulp), thermomechanical pulp, chemi thermo mechanical slurry Deng mechanical pulp；The chemical pulps such as sulfate pulp, sulfite pulp, soda pulp；Semichemical wood pulp Deng)；Mercerising slurry wood pulp being implemented chemical treatment and obtain or crosslinked pulp (Japanese: frame パ Le プ)； The non-wood pulps such as bagasse, mestha, bamboo, fiber crops, cotton (such as cotton linters)；Artificial silk, fibrillation are artificial The regenerated celluloses such as silk；The semisynthetic fibre such as acetate fiber, triacetate fiber element etc., but at these materials In, the aspect that be readily formed relatively low from cost, preferably pulverize slurry (Japanese: powder パ Le プ).As superabsorbent polymer (Super absorbent Polymer:SAP), include, for example Polyacrylate system, polysulfonate system, maleic anhydride salt system, Polyacrylamide, polyethenol series, Poly(ethylene oxide) system, polyaspartic acid salts system, polyglutamate system, ALG salt system, starch-series, The superabsorbent polymer of cellulose-based grade；Starch with Acrylic Acid (salt) graft copolymer (Japanese: デ Application プ Application-ア Network リ Le acid () Network ラ Off ト copolymer), the saponification of starch acrylonitrile copolymer Thing, starch-series or the cellulose-based superabsorbent polymer etc. such as cross-linking agent of sodium carboxymethyl cellulose, but In these materials, the preferably high-selenium corn of polyacrylate system (particularly polyacrylic acid acid sodium system) Property polymer.As the shape of superabsorbent polymer, include, for example graininess, threadiness, sheet Shapes etc., in the case of granular, particle diameter is preferably 50 μm～1000 μm, more preferably 100 μm～600 μm.Absorbed layer 4 is in addition to containing absorbent material, it is also possible to contain anti-as required Oxidant, light stabilizer, UV absorbent, nertralizer, nucleator, epoxy stabilizer, lubricant, The additives such as antibacterial, fire retardant, antistatic additive, pigment, plasticizer.Such as, absorbed layer 4 passes through Containing silver, copper, zinc, silicon dioxide, activated carbon, alumino-silicate compound, zeolite etc., it is possible to play The functions such as deodorization, antibiotic property, endothermic effect.
Absorbed layer 4 can also have the liquid such as the cotton paper that is configured between the 1st layer 41 and the 2nd layers 42 and absorb and expand Discrete piece.Diffusion sheet is absorbed between the 1st layer 41 and the 2nd layers 42 such that it is able to make to reach suction by liquid The urine receiving layer 4 absorbs diffusion sheet diffusion via liquid, therefore, it is possible to prevent the urine of the local of absorbed layer 4 Saturated.
Absorbed layer 4 can also have the core covering being coated with the 1st layer 41 and the 2nd layers 42.By utilizing core covering It is coated with the 1st layer 41 and the 2nd layers 42 of the stratiform formed body as absorbent material such that it is able to prevent the 1st The collapse that layer is 41 and the 2nd layer 42.Core covering is can be through the liquid-permeable sheet of the urine excreted by wearer. As core covering, include, for example non-woven fabrics, the synthetic resin film etc. of liquid drain hole of weaving cotton cloth, be formed with, but Preferably non-woven fabrics.Core covering both can be coated with the entirety in the surface of the 1st layer 41 and the 2nd layers 42, also Local can be coated with.
Interface between top flat 2 and absorbed layer 4 (in the present embodiment, the of top flat 2 and absorbed layer 4 Interface between 1 layer 41) and egative film 3 and absorbed layer 4 between (in the present embodiment, the end, interface Interface between sheet 3 and the 2nd layer 42 of absorbed layer 4) it is coated with bonding agent (such as, hot-melt adhesive), It is bonded to top flat 2 in the face of the side of absorbed layer 4, is bonded to egative film 3 in the face of opposite side.From from top flat 2 From the viewpoint of the liquid permeability of absorbed layer 4 transparent liquid, bonding agent is not coated with spreading between top flat 2 and absorber 4 Whole interface, be such as coated with patterns such as point, spiral, stripeds.As bonding agent, such as may be used Enumerate with styrene ethylene butadiene-styrene (SEBS), s-B-S (SBS), the rubber series of styrene-isoprene-phenylethene (SIS) etc. be main body or with The pressure sensitive bonding agent that olefin-based is main body of straight-chain Low Density Polyethylene etc. or thermosensitive type bonding agent；By Water soluble polymer (such as, polyvinyl alcohol, carboxymethyl cellulose, gelatin etc.) or water-swellable are high The water sensitivity bonding agent etc. that molecule (such as, polyvinyl acetic acid ester, polyacrylic acid acid sodium etc.) is formed. As the coating process of bonding agent, include, for example spiral coating, coating machine coating, curtain coater painting Deposited, spray gun coating etc..The coating amount (weight per unit area) of bonding agent is usually 0.5g/m2～20g/m2, It is preferably 2g/m2～10g/m2。
As shown in Figure 6, absorbed layer 4 has by following imaginary plane P1～imaginary plane P4Be divided into Under part 1 40a～the 9th part 40i:
Imaginary plane P1, it extends along the thickness direction of diaper 1, is included in the table of top flat 2 side of diaper 1 Face along diaper 1 long side direction extend imaginary line L1；
Imaginary plane P2, it extends along the thickness direction of diaper 1, is included in the table of top flat 2 side of diaper 1 Face and imaginary line L1The imaginary line L extended parallel to2；
Imaginary plane P3, it extends along the thickness direction of diaper 1, is included in the table of top flat 2 side of diaper 1 Face along diaper 1 short side direction extend imaginary line L3；And
Imaginary plane P4, it extends along the thickness direction of diaper 1, is included in the table of top flat 2 side of diaper 1 Face and imaginary line L3The imaginary line L extended parallel to4；
Part 1 40a, it is supposed to plane P1～imaginary plane P4Surround；
Part 2 40b, it is from the imaginary plane P of part 1 40a1The end edge portion of side is along the minor face of diaper 1 Direction extends to the end edge portion of absorbed layer 4；
Third portion 40c, it is from the imaginary plane P of part 1 40a2The end edge portion of side is along the minor face side of diaper 1 To the end edge portion extending to absorbed layer 4；
4th part 40d, it is from the imaginary plane P of part 1 40a3The end edge portion of side is along the long limit of diaper 1 Direction extends to the end edge portion of absorbed layer 4；
5th part 40e, it is from the imaginary plane P of part 1 40a4The end edge portion of side is along the long limit side of diaper 1 To the end edge portion extending to absorbed layer 4；
6th part 40f, it is from the imaginary plane P of the 4th part 40d1The end edge portion of side is along the minor face side of diaper 1 To the end edge portion extending to absorbed layer 4；
7th part 40g, it is from the imaginary plane P of the 4th part 40d2The end edge portion of side is along the minor face of diaper 1 Direction extends to the end edge portion of absorbed layer 4；
8th part 40h, it is from the imaginary plane P of the 5th part 40e1The end edge portion of side is along the minor face of diaper 1 Direction extends to the end edge portion of absorbed layer 4；And
9th part 40i, it is from the imaginary plane P of the 5th part 40e2The end edge portion of side is along the minor face side of diaper 1 To the end edge portion extending to absorbed layer 4.Additionally, part 1 40a of absorbed layer 4, part 2 40b and Third portion 40c formed diaper 1 crotch part 12, the 4th part 40d of absorbed layer 4, the 6th part 40f and 7th part 40g formed diaper 1 veutro portion 11, the 5th part 40e of absorbed layer 4, the 8th part 40h and 9th part 40i forms the drosal part 13 of diaper 1.
Part 1 40a of absorbed layer 4～the 9th part 40i illustrate that folded state diaper 1 and in order to Imaginary plane P is utilized for the sake of Fang Bian1～P4The part divided, part 1 40a of absorbed layer 4～the 9th Adjacent part in part 40i is actually continuous print to each other.
In the present embodiment, absorbed layer 4, in addition to having part 1 40a～the 5th part 40e, also has Have the 6th part 40f～the 9th part 40i, but the 6th part 40f～the 9th part 40i in the diaper of the present invention also Non-is necessary.Thus, the diaper of the present invention comprises and does not has the 6th part 40f～the reality of the 9th part 40i Execute mode and there is the embodiment of more than the one or both in the 6th part 40f～the 9th part 40i (such as, there is the 6th part 40f and the embodiment of the 7th part 40g, there is the 8th part 40h and the 9th The embodiment etc. of part 40i).
In the present embodiment, imaginary plane P1With imaginary plane P2Position be set as follows. Additionally, imaginary line L1With imaginary line L2It is imaginary plane P1With imaginary plane P2Top flat 2 with diaper 1 Intersection between the surface of side, therefore imaginary line L1With imaginary line L2Position according to imaginary plane P1 With imaginary plane P2Position be set uniquely.
In the imaginary plane shown in Fig. 5, by imaginary line LRWith imaginary plane P1Between distance set For D5Time, imaginary plane P1It is set as meeting D2>D5>D1/2.As it is shown in figure 5, present embodiment meets This condition.At imaginary plane P1In the case of meeting this condition, part 2 40b of absorbed layer 4 have from The imaginary plane P of part 1 40a of absorbed layer 41The end edge portion of side along diaper 1 short side direction extend High weight per unit area part and enter one from this high weight per unit area part along the short side direction of diaper 1 The low weight per unit area part that step extends.The end edge portion 423 of the 2nd layer 42 and imaginary plane P1Between away from From (D2Deduct D5The value obtained) it is usually 10mm～70mm, preferably 10mm～50mm.? In present embodiment, maintain in the range of the whole region of long side direction of the end edge portion 423 of the 2nd layer 42 The end edge portion 423 of such 2nd layer 42 and imaginary plane P1Between distance.Thus, the 6th of absorbed layer 4 Part 40f has the imaginary plane P of the 4th part 40d from absorbed layer 41The end edge portion of side is short along diaper 1 Edge direction extend high weight per unit area part and from this high weight per unit area part along diaper 1 The low weight per unit area part that short side direction extends further.Similarly, the 8th part 40h of absorbed layer 4 Also there is the imaginary plane P of the 4th part 40e from absorbed layer 41The end edge portion of side is along the minor face side of diaper 1 To extend high weight per unit area part and from this high weight per unit area part along the minor face of diaper 1 The low weight per unit area part that direction extends further.
In the imaginary plane shown in Fig. 5, by imaginary line LSWith imaginary plane P2Between distance set For D6Time, imaginary plane P2It is set as meeting D4>D6>D3/2.As it is shown in figure 5, present embodiment meets This condition.At imaginary plane P2In the case of meeting this condition, third portion 40c of absorbed layer 4 have from The imaginary plane P of part 1 40a of absorbed layer 42The end edge portion of side along diaper 1 short side direction extend High weight per unit area part and enter one from this high weight per unit area part along the short side direction of diaper 1 The low weight per unit area part that step extends.The end edge portion 424 of the 2nd layer 42 and imaginary plane P2Between away from From (D4Deduct D6The value obtained) it is usually 10mm～70mm, preferably 10mm～50mm.? In present embodiment, maintain in the range of the whole region of long side direction of the end edge portion 424 of the 2nd layer 42 The end edge portion 424 of such 2nd layer 42 and imaginary plane P2Between distance.Thus, the 7th of absorbed layer 4 Part 40g has the imaginary plane P of the 4th part 40d from absorbed layer 42The end edge portion of side is short along diaper 1 Edge direction extend high weight per unit area part and from this high weight per unit area part along diaper 1 The low weight per unit area part that short side direction extends further.Similarly, the 9th part 40i of absorbed layer 4 Also there is the imaginary plane P of the 5th part 40e from absorbed layer 42The end edge portion of side is along the minor face side of diaper 1 To extend high weight per unit area part and from this high weight per unit area part along the minor face of diaper 1 The low weight per unit area part that direction extends further.
Different from present embodiment, in distance D1With distance D2In the case of variation, imaginary plane P1Position Install to be set to and meet D2(max)>D5>D1(max)/2.At imaginary plane P1In the case of meeting this condition, Part 2 40b of absorbed layer 4 has the imaginary plane P of part 1 40a from absorbed layer 41The ora terminalis of side Portion is along the high weight per unit area part of the short side direction extension of diaper 1 and from this high weight per unit area The low weight per unit area part partly extended further along the short side direction of diaper 1.
Preferably, imaginary plane P1It is set as meeting D2(max)>D5>D1(max)/2 and D2(min)>D5>D1(max)/2.At imaginary plane P1In the case of meeting these conditions, the of absorbed layer 4 The high weight per unit area part that 2 parts 40b are had is put down along the imagination of part 1 40a of absorbed layer 4 Face P1The end edge portion of side extends on the long side direction of diaper 1.
Different from present embodiment, in distance D3With distance D4In the case of variation, imaginary plane P2Position Install to be set to and meet D4(max)>D6>D3(max)/2.At imaginary plane P2In the case of meeting this condition, Third portion 40c of absorbed layer 4 has the imaginary plane P of part 1 40a from absorbed layer 42The end edge portion of side Along diaper 1 short side direction extend high weight per unit area part and from this high weight per unit area portion Point low weight per unit area part extended further along the short side direction of diaper 1.
Preferably, imaginary plane P2It is set as meeting D4(max)>D6>D3(max)/2 and D4(min)>D6>D3(max)/2.At imaginary plane P2In the case of meeting these conditions, the of absorbed layer 4 The high weight per unit area part that 3 parts 40c are had is put down along the imagination of part 1 40a of absorbed layer 4 Face P2The end edge portion of side extends on the long side direction of diaper 1.
In the imaginary plane shown in Fig. 5, imaginary plane P3It is set as being positioned at than imaginary line Lp by absorbing The position of end edge portion 411 side of the 1st layer 41 of layer 4, imaginary plane P4It is set as being positioned at ratio imaginary line LQ Position by end edge portion 412 side of the 1st layer 41 of absorbed layer 4.Now, imaginary plane P3And imaginary plane P4It is typically set at, imaginary plane P3And the distance between the end edge portion 411 of the 1st layer 41 of absorbed layer 4, vacation Think plane P3And the distance between the end edge portion 421 of the 2nd layer 42 of absorbed layer 4, imaginary plane P4With absorbed layer Distance between the end edge portion 412 of the 1st layer 41 of 4 and imaginary plane P4With the 2nd layer 42 of absorbed layer 4 Distance between end edge portion 422 is substantially equal to imaginary plane P3With imaginary plane P4Between distance or ratio Imaginary plane P3With imaginary plane P4Between distance little.Additionally, imaginary line L3With imaginary line L4It is Imaginary plane P3With imaginary plane P4And the intersection between the surface of top flat 2 side of diaper 1, therefore imagination is straight Line L3With imaginary line L4Position according to imaginary plane P3With imaginary plane P4Position set uniquely Fixed.
As shown in Figure 6, in the same manner as absorbed layer 4, diaper 1 has and is supposed to plane P1～imaginary plane P4 Part 1 10a being divided into～the 9th part 10i.Part 1 40a of absorbed layer 4～the 9th part 40i are respectively It is contained in part 1 10a～the 9th part 10i of diaper 1.Additionally, part 1 10a of diaper 1, the 2nd Part 10b and third portion 10c constitute the crotch part 12 of diaper 1, the 4th part 10d of diaper 1, the 6th 10f and the 7th part 10g is divided to constitute the veutro portion 11 of diaper 1, the 5th part 10e of diaper 1, the 8th part 10h and the 9th part 10i constitute the drosal part 13 of diaper 1.
As shown in FIG. 1 to 3, diaper 1 possesses leak-proof cuff 6a, the 6b formed by opaque liquid sheet.As Shown in Fig. 1～Fig. 3, leak-proof cuff 6a, 6b are positioned at the short side direction both sides of diaper 1, along the long limit of diaper 1 Direction extends.One end edge portion of leak-proof cuff 6a, 6b is the fixing end being fixed on top flat 2, another ora terminalis Portion is free end.Free end at leak-proof cuff 6a, 6b is provided with the bullet of the long side direction extension along diaper 1 Property portion 61a, 61b, when wearer wears diaper 1, leak-proof cuff 6a, 6b are to the skin of wearer Direction erects.
[folded state]
The diaper 1 of folded state is described based on Fig. 7～Figure 10.Additionally, in the present embodiment, due to Make the long side direction of part 1 10a of diaper 1, short side direction and thickness direction respectively with Fig. 1～Fig. 6 The diaper 1 of deployed condition is rolled over by the mode that shown X-direction, Y-direction and Z-direction is the most consistent Folded, therefore the most orthogonal X-direction, Y-direction and the Z-direction shown in Fig. 7～Figure 10 respectively with Fig. 1～ The most orthogonal X-direction, Y-direction and Z-direction shown in Fig. 6 are consistent.That is, so that diaper 1 The long side direction of part 1 10a, short side direction and thickness direction respectively with the X shown in Fig. 7～Figure 10 When the diaper 1 of folded state is launched by the mode that direction, Y-direction and Z-direction are the most consistent, Fig. 7～ X-direction shown in Figure 10, Y-direction and Z-direction respectively with the long side direction of the diaper 1 of deployed condition, Short side direction and thickness direction are consistent.
Fig. 7 is the axonometric chart of the diaper 1 of folded state, and Fig. 8 is the line B-B sectional view of Fig. 7.In fig. 8, The part that in the 1st layer 41 of absorbed layer 4, part 1 40a of absorbed layer 4～the 9th part 40i are comprised is divided Do not represent with reference 41a～41i.Similarly, in the 2nd layer 42 of absorbed layer 4, the of absorbed layer 4 The part that 1 part 40a～the 9th part 40i are comprised represents with reference 42a～42i respectively.It addition, Part 41a of in the 1st layer 41 of absorbed layer 4, to be contained in absorbed layer 4 part 1 40a is drawn further It is divided into and is contained in the 1st lap 40a1, the 2nd lap 40a2And non-overlapped part 40a3Part, Use reference 41a respectively1～41a3Represent.Similarly, in the 2nd layer 42 of absorbed layer 4, be contained in Part 42a of part 1 40a of absorbed layer 4 is further divided into being contained in the 1st lap 40a1, 2 lap 40a2And non-overlapped part 40a3Part, use reference 42a respectively1～42a3Represent.
As shown in Figure 8, part 1 40a of absorbed layer 4 have on the thickness direction of part 1 40a with suction Receive the 1st lap 40a that part 2 40b of layer 4 is overlapping1, on the thickness direction of part 1 40a with The 2nd lap 40a that third portion 40c of absorbed layer 4 is overlapping2And the thickness direction in part 1 40a Upper and part 2 40b and the most nonoverlapping non-overlapped part 40a of third portion 40c3.Additionally, absorbed layer 4 The thickness direction of part 1 40a consistent with the Z-direction shown in Fig. 8.Herein, " part 1 40a exists With other partly overlap on thickness direction " such statement refers to, from part 1 40a along part 1 Other partial intersection of the imaginary line that the thickness direction of 40a extends and this.Thus, part 1 40a and Other part both (in other words, can connect non-on the thickness direction of part 1 40a at spaced intervals Under the state touched) overlapping, it is also possible to overlapping under contiguous state.
Additionally, in the present embodiment, part 1 40a of absorbed layer 4 has the thickness in part 1 40a Part (with reference to Fig. 9) the most overlapping with part 2 40b and third portion 40c on degree direction.Such part Both 1st lap 411 overlapping with part 2 40b can be categorized as, it is also possible to be categorized as and the 3rd Divide the 2nd lap 412 of 42 overlaps.
As shown in Figure 8, non-overlapped part 40a during through hole 5 is positioned at part 1 40a of absorbed layer 43。
As shown in Figure 8, the 1st lap 40a of part 1 40a1On the thickness direction of part 1 40a From the 1st lap 40a1Side rise successively with part 2 40b of absorbed layer 4, the 6th part 40f, the 4th part 40d, the 8th part 40h and the 5th part 40e are overlapping.Herein, " the 1st lap 40a1At thickness direction Upper the most overlapping with some " such statement refers to, from the 1st lap 40a1Thickness along part 1 40a The imaginary line that degree direction extends all intersects with any one of the plurality of part.Thus, two adjacent portions Dividing both can be at spaced intervals (in other words, in non-contacting state on the thickness direction of part 1 40a Under) overlapping, it is also possible to overlapping under contiguous state.
Additionally, in absorbed layer 4 does not have the embodiment of the 6th part 40f, the 1st weight of part 1 40a Folded part 40a1From the 1st lap 40a on the thickness direction of part 1 40a1Side rise successively with absorption Part 2 40b of layer 4, the 4th part 40d, the 8th part 40h and the 5th part 40e are overlapping.Absorbing Layer 4 does not have in the embodiment of the 8th part 40h, the 1st lap 40a of part 1 40a1The 1st From the 1st lap 40a on the thickness direction of part 40a1Side rise successively with part 2 40b of absorbed layer 4, 6th part 40f, the 4th part 40d and the 5th part 40e are overlapping.At absorbed layer 4, not there is the 6th part 40f With in the embodiment of the 8th part 40h, the 1st lap 40a of part 1 40a1In part 1 40a Thickness direction on from the 1st lap 40a1Side rise successively with part 2 40b, the 4th part of absorbed layer 4 40d and the 5th part 40e are overlapping.
As shown in Figure 8, the 2nd lap 40a of part 1 40a2On the thickness direction of part 1 40a From the 2nd lap 40a2Side rise successively with third portion 40c of absorbed layer 4, the 7th part 40g, the 4th part 40d, the 9th part 40i and the 5th part 40e are overlapping.Herein, " the 2nd lap 40a2In part 1 On the thickness direction of 40a overlapping with some " such statement refers to, from the 2nd lap 40a2Edge The imaginary line that the thickness direction of part 1 40a extends all intersects with any one of the plurality of part.Cause And, two adjacent parts both can on the thickness direction of part 1 40a at spaced intervals (in other words, Under non-contacting state) overlapping, it is also possible to overlapping under contiguous state.
Additionally, in absorbed layer 4 does not have the embodiment of the 7th part 40g, the 2nd weight of part 1 40a Folded part 40a2From the 2nd lap 40a on the thickness direction of part 1 40a2Side rise successively with absorption Third portion 40c of layer 4, the 4th part 40d, the 9th part 40i and the 5th part 40e are overlapping.At absorbed layer In 4 embodiments without the 9th part 40i, the 2nd lap 40a of part 1 40a2In part 1 From the 2nd lap 40a on the thickness direction of 40a2Side rise successively with third portion 40c of absorbed layer 4, the 7th Part 40g, the 4th part 40d and the 5th part 40e are overlapping.Absorbed layer 4 do not have the 7th part 40g and In the embodiment of the 9th part 40i, the 2nd lap 40a of part 1 40a2Thickness in part 1 40a From the 2nd lap 40a on degree direction2Side rise successively with third portion 40c, the 4th part 40d of absorbed layer 4 And the 5th part 40e overlapping.
Folded structure shown in Fig. 7 and Fig. 8 was formed through the 1st stage～the 4th stage.Additionally, each stage Bending both can be manually to have implemented, it is also possible to utilizes machinery to implement.Hereinafter, based on Fig. 7～Figure 10 explanation 1st stage～the 4th stage.Fig. 9 be by by the diaper 1 of deployed condition at imaginary line L1Place has bent it Afterwards, at imaginary line L2The top view of the foldable structure body that place bends and formed.(a) of Figure 10 is Fig. 9 Line C-C sectional view, (b) of Figure 10 is the line D-D sectional view of Fig. 9.
(1) the 1st stage
In the 1st stage, the diaper 1 of deployed condition is at imaginary line L1Place is by top flat 2 lateral buckling.Herein, At imaginary line L1Place's bending to top flat 2 side refers to imaginary line L1It is hidden in the bending (institute of inner side The paddy of meaning folds).
As shown in Figure 9 and Figure 10, the bending in the 1st stage is so that part 2 10b of diaper 1, the 6th part 10f And the 8th part 10h top flat side surface respectively with part 1 10a of diaper 1, the 4th part 10d and The mode that top flat 2 side surface of the 5th part 10e is facing is implemented.Additionally, the bending in the 1st stage is the most permissible So that the top flat side surface of part 2 10b of diaper 1, the 6th part 10f and the 8th part 10h respectively with The side that top flat 2 side surface of part 1 10a of diaper 1, the 4th part 10d and the 5th part 10e contacts Formula is implemented, it is also possible to implement in discontiguous mode.
The top flat side surface of diaper 1 is with imaginary line L1Bend for axis, therefore imaginary line L1? The curved surface that the top flat side surface of diaper 1 is drawn is positioned at the position of the outermost side of Y-direction.
As shown in Figure 9 and Figure 10, utilizing the bending in the 1st stage, part 1 40a of absorbed layer 4 is absorbing Layer 4 part 1 40a thickness direction on overlapping with part 2 40b of absorbed layer 4, the 4th of absorbed layer 4 Part 40d on the thickness direction of the 4th part 40d of absorbed layer 4 with absorbed layer 6 the 6th part 40f weight Folded, the 5th part 40e of absorbed layer 4 on the thickness direction of the 5th part 40e of absorbed layer 4 with absorbed layer 4 The 8th part 40h overlapping.
Additionally, not there is the embodiment of the 6th part 40f and absorbed layer does not have the 8th at absorbed layer 4 Divide in the embodiment of 40h, even if diaper 1 is at imaginary line L1, by top flat 2 lateral buckling, also will not in place Produce such overlap.
(2) the 2nd stages
Diaper 1 after the 2nd stage, the 1st stage is at imaginary line L2Place is by top flat 2 lateral buckling.Herein, At imaginary line L2Place's bending to top flat 2 side refers to imaginary line L2It is hidden in the bending (institute of inner side The paddy of meaning folds).
As shown in Figure 9 and Figure 10, the bending in the 2nd stage is so that third portion 10c of diaper 1, the 7th part 10g And the 9th part 10i top flat side surface respectively with part 1 10a, the 4th part 10d and of diaper 1 The mode that top flat 2 side surface of 5 parts 10e is facing is implemented.Additionally, the bending in the 2nd stage both can be with Make the top flat side surface of third portion 10c of diaper 1, the 7th part 10g and the 9th part 10i respectively with diaper The mode that top flat 2 side surface of part 1 10a, the 4th part 10d and the 5th part 10e of 1 contacts is real Execute, it is also possible to implement in discontiguous mode.
The top flat side surface of diaper 1 is with imaginary line L2Bend for axis, therefore imaginary line L2? The curved surface that the top flat side surface of diaper 1 is drawn is positioned at the position of the outermost side of Y-direction.
As shown in Figure 9 and Figure 10, utilizing the bending in the 2nd stage, part 1 40a of absorbed layer 4 is at the 1st Divide on the thickness direction of 40a overlapping with third portion 40c of absorbed layer 4.Similarly, the 4th of absorbed layer 4 Divide the 40d the 7th part 40g with absorbed layer 4 on the thickness direction of the 4th part 40d overlapping, absorbed layer 4 5th part 40e the 9th part 40i with absorbed layer 4 on the thickness direction of the 5th part 40e is overlapping.
Wherein, not there is the embodiment of the 7th part 40g and absorbed layer 4 does not have the 9th at absorbed layer 4 In the embodiment of part 40i, even if diaper 1 is at imaginary line L2, by top flat 2 lateral buckling, also will not in place Produce such overlap.
In the present embodiment, the 2nd stage is (at imaginary line L2Place bending) in the 1st stage (in vacation Think straight line L1The bending at place) implement afterwards.But, such condition in the diaper 1 of the present invention not It is necessary.Thus, as other embodiments, the diaper 1 of the present invention is included in imaginary line L2Place Bending at imaginary line L1The embodiment implemented before the bending at place.
Utilizing the 1st stage and the 2nd stage, part 1 40a at absorbed layer 4 is formed in part 1 40a Thickness direction on the 1st lap 40a overlapping with part 2 40b of absorbed layer 41, in part 1 The 2nd lap 40a overlapping with third portion 40c of absorbed layer 4 on the thickness direction of 40a2And the 1st Non-overlapped part the most nonoverlapping with part 2 40b and third portion 40c on the thickness direction of part 40a 40a3, through hole 5 is positioned at non-overlapped part 40a3.As shown in Figure 8, the 1st lap 40a1Overlapping with the 2nd Part 40a2It is formed at non-overlapped part 40a3Y-direction both sides.Additionally, in the present embodiment, such as figure Shown in 9, the 1st lap 40a1With the 2nd lap 40a2It is formed at non-overlapped part 40a3Around.
(3) the 3rd stages
Diaper 1 after the 3rd stage, the 2nd stage is at imaginary line L3Place is by top flat 2 lateral buckling.Herein, At imaginary line L3Place's bending to top flat 2 side refers to imaginary line L3The bending becoming inner side is (so-called Paddy folds).
As shown in Figure 7 and Figure 8, the bending in the 3rd stage is so that 6th part 10f overlapping with the 4th part 10d With the backsheet side surface of the 7th part 10g respectively with part 2 10b overlapping with part 1 10a and the 3rd The mode that the backsheet side surface of point 10c is facing is implemented.Additionally, the bending in the 3rd stage both can so that with 6th part 10f of the 4th part 10d overlap and the backsheet side surface of the 7th part 10g are with heavy with part 1 10a The mode that folded part 2 10b and the backsheet side surface of third portion 10c contact is implemented, it is also possible to not The mode of contact is implemented.
The top flat side surface of diaper 1 is with imaginary line L3Bend for axis, therefore imaginary line L3? The curved surface that the top flat side surface of diaper 1 is drawn is positioned at the position of the outermost side of X-direction.
Utilize the bending in the 3rd stage, the 1st lap 40a of part 1 40a of absorbed layer 41At the 1st Divide on the thickness direction of 40a from the 1st lap 40a1Side rise successively with part 2 40b of absorbed layer 4, 6 parts 40f and the 4th part 40d are overlapping.Similarly, the 2nd overlapping portion of part 1 40a of absorbed layer 4 Divide 40a2From the 2nd lap 40a on the thickness direction of part 1 40a2Side rise successively with absorbed layer 4 Third portion 40c, the 7th part 40g and the 4th part 40d are overlapping.
Additionally, in absorbed layer 4 does not have the embodiment of the 6th part 40f, the 1st weight of part 1 40a Folded part 40a1From the 1st lap 40a on the thickness direction of part 1 40a1Side rise successively with absorption Part 2 40b of layer 4 and the 4th part 40d are overlapping.Not there is the embodiment party of the 7th part 40g at absorbed layer 4 In formula, the 2nd lap 40a of part 1 40a2From the 2nd overlap on the thickness direction of part 1 40a Part 40a2Side is risen overlapping with third portion 40c of absorbed layer 4 and the 4th part 40d successively.
(4) the 4th stages
After the 4th stage, the 3rd stage, diaper 1 is at imaginary line L4Place is by top flat 2 lateral buckling.This Place, at imaginary line L4Place's bending to top flat 2 side refers to imaginary line L4Become the bending (institute of inner side The paddy of meaning folds).
Such as Fig. 7 and as shown in Figure 8, the bending in the 4th stage is so that at imaginary line L1Place and imaginary line L2 The 8th part 10h that place is bent and the backsheet side surface of the 9th part 10i with at the 3rd imaginary line L3 The mode that the backsheet side surface of the 4th part 10d that place is bent is facing is implemented.Additionally, the 4th rank The bending of section both can be so that at imaginary line L1Place and imaginary line L2The 8th part that place is bent The backsheet side surface of 10h and the 9th part 10i with at imaginary line L3The 4th part 10d that place is bent The mode that contacts of backsheet side surface implement, it is also possible to implement in discontiguous mode.
The top flat side surface of diaper 1 is with imaginary line L4Bend for axis, therefore imaginary line L4? The curved surface that the top flat side surface of diaper 1 is drawn is positioned at the position of the outermost side of X-direction.
Utilize the bending in the 4th stage, the 1st lap 40a of part 1 40a of absorbed layer 41At the 1st Divide on the thickness direction of 40a from the 1st lap 40a1Side rise successively with part 2 40b of absorbed layer 4, 6 parts 40f, the 4th part 40d, the 8th part 40h and the 5th part 40e are overlapping.Similarly, absorbed layer 4 The 2nd lap 40a of part 1 40a2From the 2nd lap on the thickness direction of part 1 40a 40a2Side rise successively with third portion 40c of absorbed layer 4, the 7th part 40g, the 4th part 40d, the 9th part 40i and the 5th part 40e are overlapping.
Additionally, in absorbed layer 4 does not have the embodiment of the 8th part 40h, the 1st weight of part 1 40a Folded part 40a1From the 1st lap 40a on the thickness direction of part 1 40a1Side rise successively with absorption Part 2 40b of layer 4, the 6th part 40f, the 4th part 40d and the 5th part 40e are overlapping.At absorbed layer In 4 embodiments without the 9th part 40i, the 2nd lap 40a of part 1 40a2In part 1 From the 2nd lap 40a on the thickness direction of 40a2Side rise successively with third portion 40c of absorbed layer 4, the 7th Part 40g, the 4th part 40d and the 5th part 40e are overlapping.
Through the 1st above stage～the 4th stage, form the folded structure shown in Fig. 7 and Fig. 8.In this reality Execute in mode, implement the 3rd stage and the 4th stage after the 1st stage and the 2nd stage, but such condition The diaper of the present invention is not necessary.Thus, the diaper of the present invention is included in the 1st stage and the 2nd Implemented for the 3rd stage after stage but do not implement the embodiment in the 4th stage and on the 1st stage and the 2nd rank Do not implemented for the 3rd stage after Duan and implement the embodiment in the 4th stage.
For the diaper 1 of folded state, in part 1 40a of absorbed layer 4, at the 1st lap 40a1 With the 2nd lap 40a2The 2nd of absorbed layer 4 is overlapped with respectively on the thickness direction of part 1 40a Divide 40b and third portion 40c, and in non-overlapped part 40a3, on the thickness direction of part 1 40a the most not Overlap with part 2 40b and third portion 40c of absorbed layer 4.Thus, by along the 1st of absorbed layer 4 The pressure of the thickness direction compression diaper 1 of part 40a is when putting on diaper 1 (such as, to be folded many The state that individual diaper 1 is compressed by with the thickness direction along part 1 40a of absorbed layer 4 is adjacent to each other When being accommodated in container), with the 1st lap 40a1Part 2 40b of overlapping absorbed layer 4 and with the 2nd weight Folded part 40a2Third portion 40c of overlapping absorbed layer 4, as stress relief layer function, is protected non-heavy Folded part 40a3Be not stressed impact.Particularly, in the present embodiment, with the 1st lap 40a1 The some of overlapping absorbed layer 4 (part 2 40b, the 6th part 40f, the 4th part 40d, the 8th Point 40h and the 5th part 40e) and with the 2nd lap 40a2The some of overlapping absorbed layer 4 (the 3 parts 40c, the 7th part 40g, the 4th part 40d, the 9th part 40i and the 5th part 40e) as pressure Power cushion function, more effectively protects non-overlapped part not to be stressed impact.Therefore, top flat It is configured at non-overlapped part 40a3Part be difficult to be applied in the pressure pressing of diaper 1.Further, since pass through Through hole 5 is positioned at non-overlapped part 40a3, therefore top flat be configured at non-overlapped part 40a3Even if part quilt Pressing, it is also possible to recede in through hole 5.So, though the thickness of part 1 40a along absorbed layer 4 Direction compression diaper 1 pressure put on diaper 1, top flat be configured at non-overlapped part 40a3Part also Being difficult to be pressed, also being able to recede in through hole 5 even if being pressed, be thus susceptible to maintain joining of top flat It is placed in non-overlapped part 40a3The form of protrusion 211 of part.In being formed towards top flat 2 at absorbed layer 4 The recess of side opening and substitute in the embodiment of through hole 5, play such action effect similarly.
For the diaper 1 of folded state, the high weight per unit area part of part 2 40b of absorbed layer 4 exists With the 1st lap 40a of part 1 40a of absorbed layer 4 on the thickness direction of part 1 40a1One Dividing overlap, the low weight per unit area part of part 2 40b of absorbed layer 4 is at the thickness of part 1 40a On direction overlapping with another part.Thus, at the thickness direction by part 1 40a along absorbed layer 4 When the pressure of compression diaper 1 puts on diaper 1, (the multiple diapers 1 such as, being folded are with along absorbed layer 4 The state that is compressed by of the thickness direction of part 1 40a when being adjacent to be accommodated in container each other), pressure It is prone to the 1st lap 40a1In and the high weight per unit area portion of part 2 40b of absorbed layer 4 Divide overlapping part transmission, it is difficult to the low weight per unit area part with part 2 40b of absorbed layer 4 Overlapping part transmission.Especially since the high weight per unit area portion of part 2 40b of absorbed layer 4 The thickness divided is bigger than the thickness of the low weight per unit area part of the part 2 of absorbed layer 4, and therefore pressure is easy In to the 1st lap 40a1In and the high weight per unit area part of part 2 40b of absorbed layer 4 Overlapping part transmission, it is difficult to the low weight per unit area part weight with part 2 40b of absorbed layer 4 Folded part transmission.Thus, top flat be configured at the 1st lap 40a1In with the 2nd of absorbed layer 4 The part of the partly overlapping part of low weight per unit area of part 40b is difficult to be applied in the pressure of diaper 1 Power presses, it is easy to maintain the form of the protrusion 211 of this topsheet portion.
For the diaper 1 of folded state, the high weight per unit area part of third portion 40c of absorbed layer 4 exists With the 2nd lap 40a of part 1 40a of absorbed layer 4 on the thickness direction of part 1 40a2One Dividing overlap, the low weight per unit area part of third portion 40c of absorbed layer 4 is at the thickness of part 1 40a On direction overlapping with another part.Thus, at the thickness direction by part 1 40a along absorbed layer 4 When the pressure of compression diaper 1 puts on diaper 1, (the multiple diapers 1 such as, being folded are with along absorbed layer 4 The state that is compressed by of the thickness direction of part 1 40a when being adjacent to be accommodated in container each other), pressure It is prone to the 2nd lap 40a2In and the high weight per unit area portion of third portion 40c of absorbed layer 4 Divide overlapping part transmission, it is difficult to the low weight per unit area part with third portion 40c of absorbed layer 4 Overlapping part transmission.Especially since the high weight per unit area portion of third portion 40c of absorbed layer 4 The thickness divided is bigger than the thickness of the low weight per unit area part of third portion 40c of absorbed layer 4, therefore presses Power is prone to the 2nd lap 40a2In and the high weight per unit area of third portion 40c of absorbed layer 4 Partly overlapping part is transmitted, it is difficult to the low weight per unit area portion with third portion 40c of absorbed layer 4 Divide overlapping part transmission.Thus, top flat be configured at the 2nd lap 40a2In with absorbed layer 4 The part of the partly overlapping part of low weight per unit area of third portion 40c is difficult to be applied in diaper 1 Pressure presses, it is easy to maintain the form of the protrusion 211 of this topsheet portion.
As is illustrated by figs. 11 and 12, the diaper as an embodiment of the diaper collecting part of the present invention is received Part 100 possesses multiple diaper 1 and the plurality of to maintain the state of folded structure to be accommodated with multiple diapers 1 The container 7 of diaper 1.
As is illustrated by figs. 11 and 12, the number of the diaper 1 being accommodated in container 7 is multiple.But, such Condition is not necessary in the diaper collecting part of the present invention.Thus, as other embodiments, this The diaper collecting part of invention comprises the embodiment that number is of the diaper 1 being accommodated in container 7.
As is illustrated by figs. 11 and 12, multiple diapers 1 are to maintain the state of the folded structure of each diaper 1 along vertical It is accommodated in container 7 to arrangement.But, such condition is not in the diaper collecting part of the present invention Necessary.Thus, as other embodiments, the diaper collecting part of the present invention comprises multiple diaper 1 edge It is accommodated in the embodiment of container 7 transversely arrangedly.
As long as container 7 can receive multiple diaper 1, it is defined the most especially.Container 7 e.g. by The bag-shaped formed products that the packaging material such as plastic foil are constituted.
For diaper collecting part 100, in multiple diapers 1 with the thickness side of part 1 40a along absorbed layer 4 In the case of the state compressed is adjacent to be accommodated in container each other, the action effect of diaper 1 is more Significantly.I.e., in this case, the thickness direction along part 1 40a of absorbed layer 4 compresses diaper 1 Pressure put on diaper 1, but the non-overlapped part of part 1 40a being configured at absorbed layer 4 of top flat 40a3Part be difficult to be pressed, also be able to recede in through hole 5 even if being pressed, be thus susceptible to dimension That holds top flat is configured at non-overlapped part 40a3The form of protrusion 211 of part.
Description of reference numerals
1: diaper
2: the top flat of liquid permeability
21: skin contact face
210: ridge groove structure (example of sag and swell)
211: protrusion (example of protuberance)
212: groove portion (example of recess)
3: the egative film of opaque liquid
4: absorbed layer
The part 1 being divided into by the 1st imaginary plane～the 4th imaginary plane of 40a～40i: absorbed layer～ 9 parts
40a1: the 1st lap of the part 1 of absorbed layer
40a2: the 2nd lap of the part 1 of absorbed layer
40a3: the non-overlapped part of the part 1 of absorbed layer
41: the 1 layers
42: the 2 layers
5: through hole
The through hole of 51: the 1 layers
The through hole of 52: the 2 layers
L1: the 1st imaginary line
L2: the 2nd imaginary line
L3: the 3rd imaginary line
L4: the 4th imaginary line
P1: the 1st imaginary plane
P2: the 2nd imaginary plane
P3: the 3rd imaginary plane
P4: the 4th imaginary plane

Claims (8)

1. a diaper, this diaper possesses: top flat, and it is liquid permeability and has the skin being formed with protuberance Contact surface；
Egative film, it is opaque liquid；And
Absorbed layer, it is for absorbency and is configured between described top flat and described egative film, and has along thickness The through hole of the through described absorbed layer in direction or to the recess of described top flat side opening,
This diaper is can be folded in the way of launching, wherein,
(a) when described diaper has been unfolded,
Described diaper has the most orthogonal long side direction, short side direction and thickness direction,
Described absorbed layer have by the 1st following imaginary plane～the 4th imaginary plane be divided into following Part 1～the 5th part:
1st imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 1st imaginary line that extends along described long side direction of surface；
2nd imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 2nd imaginary line that extends parallel to described 1st imaginary line of surface；
3rd imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 3rd imaginary line that extends along described short side direction of surface；And
4th imaginary plane, it extends along described thickness direction, is included in the described top flat side of described diaper The 4th imaginary line that extends parallel to described 3rd imaginary line of surface；
Part 1, it is surrounded by described 1st imaginary plane～described 4th imaginary plane；
Part 2, its end edge portion from the described 1st imaginary plane side of described part 1 is along described minor face Direction extends to the end edge portion of described absorbed layer；
Third portion, its end edge portion from the described 2nd imaginary plane side of described part 1 is along described minor face Direction extends to the end edge portion of described absorbed layer；
4th part, its end edge portion from the described 3rd imaginary plane side of described part 1 is along described long limit Direction extends to the end edge portion of described absorbed layer；And
5th part, its end edge portion from the described 4th imaginary plane side of described part 1 is along described long limit Direction extends to the end edge portion of described absorbed layer,
Described through hole or described recess are positioned at described part 1,
(b) when described diaper has been folded,
By by described diaper at described 1st imaginary line to described top flat lateral buckling, thus the described 1st Part is overlapping with described part 2 on the thickness direction of described part 1,
By by described diaper at described 2nd imaginary line to described top flat lateral buckling, thus the described 1st Part is overlapping with described third portion on the thickness direction of described part 1,
Described part 1 has on the thickness direction of described part 1 overlapping with described part 2 1 lap, the 2nd lap overlapping with described third portion on the thickness direction of described part 1 And it is the most nonoverlapping with described part 2 and described third portion on the thickness direction of described part 1 Non-overlapped part,
Described through hole or described recess are positioned at described non-overlapped part.
Diaper the most according to claim 1, wherein,
(a) when described diaper has been unfolded,
Described absorbed layer, in addition to having described part 1～described 5th part, also has by described The 6th following part that 1 imaginary plane～described 4th imaginary plane are divided into and the 7th part:
6th part, its end edge portion from the described 1st imaginary plane side of described 4th part is along described minor face Direction extends to the end edge portion of described absorbed layer；And
7th part, its end edge portion from the described 2nd imaginary plane side of described 4th part is along described minor face Direction extends to the end edge portion of described absorbed layer,
(b) when described diaper has been folded,
By by described diaper at described 1st imaginary line to described top flat lateral buckling, thus the described 4th Part partly overlaps with the described 6th on the thickness direction of described 4th part,
By by described diaper at described 2nd imaginary line to described top flat lateral buckling, thus the described 4th Part partly overlaps with the described 7th on the thickness direction of described 4th part,
By by described diaper at described 1st imaginary line and at described 2nd imaginary line to described top After sheet lateral buckling, this diaper at described 3rd imaginary line to described top flat lateral buckling, thus institute Described 1st lap stating part 1 is overlapping from the described 1st on the thickness direction of described part 1 Part side is risen and is partly overlapped with described part 2, described 6th part and the described 4th successively, and the described 1st Part described 2nd lap on the thickness direction of described part 1 from described 2nd lap side Rise and partly overlap with described third portion, described 7th part and the described 4th successively.
Diaper the most according to claim 2, wherein,
(a) when described diaper has been unfolded,
Described absorbed layer, in addition to having described part 1～described 7th part, also has by described The 8th following part that 1 imaginary plane～described 4th imaginary plane are divided into and the 9th part:
8th part, its end edge portion from the described 1st imaginary plane side of described 5th part is along described minor face Direction extends to the end edge portion of described absorbed layer；And
9th part, its end edge portion from the described 2nd imaginary plane side of described 5th part is along described minor face Direction extends to the end edge portion of described absorbed layer,
(b) when described diaper has been folded,
By by described diaper at described 1st imaginary line to described top flat lateral buckling, thus the described 5th Part partly overlaps with the described 8th on the thickness direction of described 5th part,
By by described diaper at described 2nd imaginary line to described top flat lateral buckling, thus the described 5th Part partly overlaps with the described 9th on the thickness direction of described 5th part,
By by described diaper at described 1st imaginary line and at described 2nd imaginary line to described top After sheet lateral buckling, this diaper at described 3rd imaginary line to described top flat lateral buckling, then exist To described top flat lateral buckling at described 4th imaginary line, thus described 1st overlapping portion of described part 1 Point on the thickness direction of described part 1 from described 1st lap side successively with described 2nd Divide, described 6th part, described 4th part, described 8th part and the described 5th partly overlap, described Described 2nd lap of part 1 on the thickness direction of described part 1 from described 2nd overlapping portion Point side rise successively with described third portion, described 7th part, described 4th part, described 9th part and Described 5th partly overlaps.
Diaper the most according to claim 3, wherein,
When described diaper has been unfolded,
Described recess or described through hole in the short side direction substantial middle of described diaper along described diaper Long side direction extends,
Described part 1, described part 2 and described third portion form the crotch part of described diaper,
Described 4th part, described 6th part and described 7th part form the veutro portion of described diaper,
Described 5th part, described 8th part and described 9th part form the drosal part of described diaper.
5. according to the diaper according to any one of Claims 1 to 4, wherein,
When described diaper has been unfolded,
Described part 2 has the end edge portion of the described 1st imaginary plane side from described part 1 along described Short side direction extend high weight per unit area part and from described high weight per unit area part along institute State the low weight per unit area part that short side direction extends further,
Described third portion has the end edge portion of the described 2nd imaginary plane side from described part 1 along described Short side direction extend high weight per unit area part and from described high weight per unit area part along institute State the low weight per unit area part that short side direction extends further.
Diaper the most according to claim 5, wherein,
Described absorbed layer has the 1st layer of the end edge portion extending to described absorbed layer and does not extend intos described suction The 2nd layer of the end edge portion of receipts layer,
Described high weight per unit area part is formed by the part of described 1st layer and described 2 plies,
Described low weight per unit area part by described 1st layer not with the part of described 2nd ply Formed.
Diaper the most according to claim 6, wherein,
Described 1st layer is positioned at than the described 2nd layer of position by described top flat side.
8. a diaper collecting part, wherein,
This diaper collecting part includes the diaper according to any one of claim 1～7 and with described diaper The mode maintaining folded state receives the container of described diaper.
CN201480076385.8A 2014-02-25 2014-03-14 Diaper and diaper collecting part Active CN106029024B (en)

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JP2014034602A JP5539601B1 (en) 2014-02-25 2014-02-25 Urine collection pad and urine collection pad
JP2014-034602 2014-02-25
PCT/JP2014/056926 WO2014203570A1 (en) 2014-02-25 2014-03-14 Urine absorption pad, and urine absorption pad storage article

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JP5539601B1 (en) 2014-07-02
TW201542180A (en) 2015-11-16
CN106029024B (en) 2019-08-13
JP2015157047A (en) 2015-09-03
WO2014203570A1 (en) 2014-12-24

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