CN106794091A - Disposable diaper - Google Patents
Disposable diaper Download PDFInfo
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- CN106794091A CN106794091A CN201580054175.3A CN201580054175A CN106794091A CN 106794091 A CN106794091 A CN 106794091A CN 201580054175 A CN201580054175 A CN 201580054175A CN 106794091 A CN106794091 A CN 106794091A
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- Prior art keywords
- elastomeric element
- leakage
- branch line
- elastic portion
- proof turnup
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- 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
- A61F13/45—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 shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
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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
A kind of disposable diaper for being stably formed pocket structure is provided.The disposable diaper has：Front waist region and rear waist region, crotch region domain, the absorbent for being configured at crotch region domain, absorbent have absorber and the flank extended to two horizontal outsides from absorber, and flank has：The amphi position edge for being left from absorber and being extended longitudinally, the branch line extended longitudinally between absorber and amphi position edge, the leakage-proof turnup portion stretched out from branch line branch and towards longitudinal centre line, and the leg elastic portion extended longitudinally between branch line and amphi position edge, leakage-proof turnup portion and leg elastic portion engage at branch line, leakage-proof turnup portion has the free edge for leaving and extending longitudinally from branch line, the free edge is engaged with leakage-proof turnup elastomeric element, leg elastic portion is divided into three equal sub-regions of width, calf circumference elastomeric element is fixed in all subregion in the vertical, the leg elastic portion rear ends in leg elastic portion are fixed in front and back waist region respectively.
Description
Technical field
The present invention relates to disposable diaper.
Background technology
In the past, disposable dressing articles were known.For example, Patent Document 1 discloses following disposable urine
Cloth, the disposable diaper has：Absorber, extend laterally from the both lateral sides edge of absorber and with many calf circumference elasticity
The flank of part and the leakage-proof turnup configured in the longitudinal direction along the absorber lateral margin on flank, leakage-proof turnup is in side
Have between many calf circumference elastomeric elements of the wing and erect line, more than one is configured by the inner side for erecting line in leakage-proof turnup
Calf circumference elastomeric element, so as to increase the enclosing of the leakage-proof turnup of crotch part point.
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Publication 10-75976 publications
Invention according to disclosed in patent document 1, more than one is configured by the inner side for erecting line in leakage-proof turnup
Calf circumference elastomeric element, leakage-proof turnup is easily erected by the elastic contractile force of calf circumference elastomeric element, and the enclosing of leakage-proof turnup increases
Height, as a result, the capacity of the pocket structure formed by leakage-proof turnup becomes big, can be with prevent leakage.
The content of the invention
The invention problem to be solved
But, in the disposable diaper of patent document 1, in order that the calf circumference of diaper is coincide and is set with the leg of wearer
Also together erected with leakage-proof turnup in many calf circumference elastomeric elements of flank.Originally, many calf circumference elastic portions of flank are arranged at
The leg that part is used in the place different from leakage-proof turnup and wearer coincide and carrys out prevent leakage.But, in the situation of patent document 1
Under, many calf circumference elastomeric elements and leakage-proof turnup for being arranged at flank are all erected and overlapped, as a result, sometimes identical
The leg of place and wearer coincide.In addition, when many calf circumference elastomeric elements and leakage-proof turnup that are arranged at flank are all erected, preventing
Leakage flange is substantially vertical with absorber, and the enclosing formed by leakage-proof turnup increases, but to there is also that do not formed shape good
This problem of pocket structure, still there is the leeway of improvement.
In view of situation above, problem of the invention is to provide a kind of many calf circumference elasticity that flank is arranged in wearing
Part and leakage-proof turnup portion will not overlap and be stably formed the disposable diaper of pocket structure.
Scheme for solving problem
The present invention relates to following disposable diaper, the disposable diaper has：Mutually orthogonal longitudinal direction and
The non-skin forward surface of horizontal and the skin forward surface opposite with the skin of wearer and its opposition side, the disposable wearing is used
Article includes：Front waist region, rear waist region and the crotch region domain between front and back waist region, the disposable wearing
Have from the crotch region domain absorbent that rear waist region is extended forward with article.
In dressing articles of the invention, absorbent has：The absorber that extends longitudinally and from absorber
A pair of flanks that both side edges are extended to two horizontal outsides, a pair of flanks have respectively：In the horizontal from the lateral margin of absorber
The amphi position edge for leaving and extending longitudinally, the skin forward surface between the lateral margin of absorber and amphi position edge are simultaneously extended longitudinally
Branch line, extend from branch line branch and to the direction of the longitudinal centre line towards dressing articles leakage-proof turnup portion, with
And between branch line and amphi position edge and the leg elastic portion that extends longitudinally, leakage-proof turnup portion and leg elastic portion are in branch
It is bonded with each other at line, leakage-proof turnup portion has the free edge for leaving and extending longitudinally from branch line in the horizontal, leakage-proof turnup
Elastomeric element is fixed along free edge with elongation state, and leg elastic portion is divided into and extends longitudinally and horizontal size
Three mutually equal sub-regions, calf circumference elastomeric element is fixed in each of subregion, position with elongation state in the vertical
Leg elastic portion leading section and leg elastic portion rearward end in longitudinal both ends in leg elastic portion, before being fixed in respectively
Waist area and rear waist region.
The effect of invention
According to the present invention that more than one implementation method is related to, there is provided a kind of many legs that flank is arranged in wearing
Enclose elastomeric element and leakage-proof turnup portion will not overlap and be stably formed the disposable diaper of pocket structure.
Brief description of the drawings
Accompanying drawing represents specific implementation method of the invention, not only including the essential structure invented, and including
Selectivity and preferred embodiment.
Fig. 1 is the stereogram of the diaper of of disposable diaper of the invention.
Fig. 2 is that the part of the diaper of Fig. 1 blocks expanded view.
Fig. 3 is the III-III line schematic cross-sectional views of Fig. 2.
Fig. 4 is the IV-IV line schematic cross-sectional views of Fig. 2.
Fig. 5 is the schematic cross-sectional view of the state in the crotch region domain of diaper when representing wearing.
Fig. 6 be represent diaper variation with Fig. 3 identical schematic cross-sectional views.
Fig. 7 be represent diaper another variation with Fig. 3 identical schematic cross-sectional views.
Specific embodiment
Embodiment disclosed below is related to the diaper 10 of as disposable diaper of the invention shown in the drawings,
Not only include the essential structure of invention, and including selectivity and preferred structure.
Reference picture 1~3, disposable diaper 10 has：Horizontal X and longitudinal direction Y, the horizontal X dimension of diaper 10 is halved and
The longitudinal centre line P extended along longitudinal direction Y and the face of skin forward surface and its opposition side are non-skin forward surface.Diaper 10 is wrapped
Include：Along the front waist region 11 of longitudinal direction Y arrangements, rear waist region 12 and the hip crotch between front and back waist region 11,12
Region 13, and with from the absorbent 14 that rear waist region 11,12 is extended forward of crotch region domain 13.In front waist region
11 and rear waist region 12, respectively including front waist piece 16 and rear waist piece 17.Include absorbing structure in crotch region domain 13
Body 14, positioned at rear ends 14a, the 14b at longitudinal Y both ends of absorbent 14, respectively with front/back waist piece 16,17, i.e.
Front waist region 11 and rear waist region 12 engage.
Front waist piece 16 is in generally rectangular and has：Interior ora terminalis 16a and outer end that transversely X extends parallel to each other
The edge 16b and two lateral border 16c extended parallel to each other along longitudinal Y.Rear waist piece 17 is in generally trapezoidal and has：Along horizontal
To the external end edge 17b that concurrently transversely X extends of ora terminalis 17a in ora terminalis 17a in the centre that X extends and centre, in interior external end edge
The two lateral border 17c that extend along longitudinal Y between 17a, 17b and with two lateral border 17c and it is middle in ora terminalis 17a be connected and
Relative to longitudinal centre line P obliquely extend two in lateral margin 17d.
The both side edges 16c of front waist piece 16 and the both side edges 17c of rear waist piece 17 overlap the to each other along longitudinal Y intermittently
Link at the side seam 20 of extension, so as to form waistline opening 18 and a pair of leg circumference opening 19.At side seam 20, by by heating
Or embossing/depression (deboss) processing that ultrasonic wave is carried out, the piece thermal welding each other of overlap.
Reference picture 2, front/back waist piece 16,17 includes being located at the inner layer piece 21,22 of the opposite surface side of skin respectively and is located at
The outer-skin sheet 23,24 of the opposite surface side of non-skin.In addition, front/back waist piece 16,17 each, by the elasticity of a plurality of wire harness shape
The front and back waist elastomeric element 25,26 that material is constituted, bonding agent, such as hot melt adhesion are utilized in the state of transversely X elongations
Agent is arranged between inner layer piece 21,22 and outer-skin sheet 23,24.
The engagement of inner layer piece 21,22 and outer-skin sheet 23,24 can be by between inner layer piece 21,22 and outer-skin sheet 23,24
Adhesive-applying, such as hot-melt adhesive are carried out.Front and back waist elastomeric element 25,26 is coated in alternatively, it is also possible to utilize
The bonding agent of periphery, such as hot-melt adhesive engage inner layer piece 21,22 with outer-skin sheet 23,24.Inner layer piece 21,22 can both divide
Only do not formed by a sheet material, it is also possible to formed by multiple sheet materials.Front and back waist elastomeric element 25,26 can make the elongation multiplying power be
About 1.5~3.0 times of ground are for about the elastomeric material of the wire harness shape of 300~940dtex using flexible non-woven fabrics or fiber number.
Absorbent 14 is in the rectangle of lengthwise and has：The leading section engaged with the skin forward surface of front waist piece 16
Rearward end 14b that 14a is engaged with the skin forward surface of rear waist piece 17 and between rear ends 14a, 14b along longitudinal Y
Extend and positioned at the pars intermedia 14c in crotch region domain 13.Reference picture 2 and Fig. 3, absorbent 14 include：With wearing when using
The opposite body side liner 30 of the skin of person, configuration the opposite surface side of non-skin of body side liner 30 back sheet 31, between
The covering of absorber 32 between body side liner 30 and back sheet 31 and the configuration overleaf opposite surface side of non-skin of piece 31
Piece 33.Transversely X and longitudinal direction Y extend from absorber 32 for body side liner 30, back sheet 31 and emulsion sheet 33.
Body side liner 30 is formed by the piece with liquid permeability, can the use of the quality of per unit area be for about for example 15~
25g/m2By the spun bond fibrous non-woven fabrics after hydrophilicity-imparting treatment, SMS fabric nonwoven cloths etc..Back sheet 31 is by liquid-impermeable
Piece is formed, for example, can be for about 10~25g/m by the quality of per unit area2, preferably with penetrability plastic sheeting or fibre
Dimension non-woven fabrics is formed.Emulsion sheet 33 is also formed by liquid-impermeable piece, for example, can the use of the quality of per unit area be for about 10
~25g/m2Hydrophobic SMS fabric nonwoven cloths or spun bond fibrous non-woven fabrics etc..
Absorber 32 has：Positioned at front/back waist piece 16,17 front and rear ora terminalis 32a, 32b and front and rear ora terminalis 32a,
The both side edges 32c extended along longitudinal Y between 32b, and including：Material is absorbed by fluff pulp and superabsorbent polymer particles etc.
Expect the absorbency core (not shown) and the core covering piece for coating the liquid diffusibilities such as the overall thin paper of absorbency core of formation
(not shown).
Reference picture 2~4, in the horizontal X central portions of absorbent 14, absorber 32 extends along longitudinal Y.Body side liner
30th, back sheet 31 and the respective part of emulsion sheet 33 are extended from the lateral margin 32c of absorber 32 to the outsides of horizontal X two, phase
A pair of the flanks 40 extended along longitudinal Y are asymmetrically formed for longitudinal centre line P.In the rear ends of absorbent 14
14a, 14b, including positioned at the flank leading section 40a and rearward end 40b at longitudinal Y both ends of flank 40.Flank leading section 40a
And skin forward surfaces of the rearward end 40b respectively with front/back waist piece 16,17 is engaged.
Flank 40 has：Equivalent to flank 40 lateral border and along longitudinal Y extend amphi position edge 40c, positioned at absorber 32
Lateral margin 32c and amphi position edge 40c between skin forward surface and along longitudinal Y extend branch line 41, from the branch of branch line 41 simultaneously
To the leakage-proof turnup portion 42 extended towards the direction of longitudinal centre line P and between branch line 41 and amphi position edge 40c
Leg elastic portion 43.Leakage-proof turnup portion 42 and leg elastic portion 43 extend along longitudinal Y.At flank 40, and then side elasticity
Part 47 extends along the both side edges 32c of absorber 32 along longitudinal Y, and, branch line elastomeric element 44 is along the edge of branch line 41
Longitudinal Y extends.Leakage-proof turnup portion 42 has：Left from branch line 41 and along longitudinal Y extend free edge 42c and along from
The leakage-proof turnup elastomeric element 45 extended along longitudinal Y by edge 42c.Leakage-proof turnup leading section 42a and leakage-proof turnup rearward end 42b
Respectively positioned at longitudinal Y both ends in leakage-proof turnup portion 42.Leakage-proof turnup rear ends 42a, 42b respectively with front/back waist piece 16,
17 skin forward surface engagement.Leg elastic portion 43 has what is extended along longitudinal Y between branch line 41 and flank amphi position edge 40c
Calf circumference elastomeric element 46.Leg elastic portion leading section 43a and leg elastic portion rearward end 43b are located at leg elastic portion 43 respectively
Longitudinal Y both ends.The skin that leg elastic portion rear ends 43a, 43b are fixed in front/back waist piece 16,17 respectively is opposite
Face.Flank leading section 40a is made up of leakage-proof turnup leading section 42a and leg elastic portion leading section 43a, flank rearward end 40b
It is made up of leakage-proof turnup rearward end 42b and leg elastic portion rearward end 43b.
Leakage-proof turnup portion 42 and leg elastic portion 43 by the body side liner 30 that is included flank 40, back sheet 31,
And emulsion sheet 33 is turned back and is formed.Specifically, leg elastic portion 43 is by the direction of emulsion sheet 33 that is included flank 40
Longitudinal centre line P turns back and is formed (reference picture 3, Fig. 4).In addition, leakage-proof turnup portion 42 is by making to be turned back towards longitudinal centre line P
Emulsion sheet 33 end 33a it is overlap with the back sheet 31 and body side liner 30 turned back towards longitudinal centre line P and formed.
Chong Die emulsion sheet 33 between branch line 41 and flank amphi position edge 40c utilizes bonding agent, example each other at leg elastic portion 43
As hot-melt adhesive (not shown) interfixes.In addition, Chong Die between branch line 41 and free edge 42c in leakage-proof turnup portion 42
Emulsion sheet 33, back sheet 31 and body side liner 30 also utilize bonding agent, such as hot-melt adhesive (not shown) phase mutual connection
Close.Thus, leakage-proof turnup portion 42 and leg elastic portion 43 (are not schemed at branch line 41 using bonding agent, such as hot-melt adhesive
Show) interfix.It should be noted that in the accompanying drawings, only illustrate for by leakage-proof turnup rear ends 42a, 42b and flank
Bonding agent, such as hot-melt adhesive of 40 skin forward surface engagement.
The side elastomeric element 47 extended along the lateral margin 32c of absorber 32 can make elongation multiplying power be for about 1.5~3.0 times
Ground is for about the elastomeric material of the wire harness shape of one or more of 300~940dtex using fiber number.In the present embodiment, absorbing
The horizontal X outsides of body 32, make an elastic yarn of 780dtex extend 2.2 times along longitudinal direction Y and be engaged.Side elastomeric element
47 lift absorber 32 towards waistline opening 18 when diaper 10 is dressed, and prevent absorber 32 from sliding.
The calf circumference elastomeric element 46 for being configured at leg elastic portion 43 is engaged with elongation state on longitudinal Y.Specifically,
Leg elastic portion 43 is divided into and extends along longitudinal Y and three mutually equal sub-regions 49 of horizontal X dimension, in three sub-districts
Calf circumference elastomeric element 46 is each configured with each of domain 49.Calf circumference elastomeric element 46 can use banding or the bullet of wire harness shape
Property material and be elongated to about 1.5~3.0 times.In the case of using the elastomeric material of wire harness shape, it is for about 300 to preferably use fiber number
The elastic yarn of~940dtex.In the present embodiment, as calf circumference elastomeric element 46, a plurality of elastic yarn is used.
Preferably, it is in the calf circumference elastomeric element 46 being respectively configured in each of three sub-regions 49, with branch
The convergent force of the calf circumference elastomeric element 46 configured in the subregion 49 of the adjoining of line 41, than in the subregion abutted with amphi position edge 40c
The convergent force of the calf circumference elastomeric element 46 configured in 49 is big.Additionally, it is preferred that being to make the calf circumference elasticity configured in all subregion 49
The elongation multiplying power of part 46 is roughly the same value.Thus, leg elastic portion 43 is easily from leg-openings 19 towards diaper 10
Horizontal X outsides are cylindrical in shape protrusion.Row as an example, at leg elastic portion 43, in the subregion 49 abutted with branch line 41, make
Elongation multiplying power is 2.2 times of ground configurations, two elastic yarns of 620dtex, also, is made in the subregion 49 abutted with amphi position edge 40c
Elongation multiplying power is 2.0~2.2 times of ground configurations, two elastic yarns of 310dtex, and then, between the two subregions 49
In subregion 49, the elastic yarn and elongation multiplying power that can configure the 620dtex that elongation multiplying power is 2.2 times are 2.0~2.2 times
310dtex an elastic yarn.Calf circumference elastomeric element 46 can be with interior side engagement obtained from emulsion sheet 33 of having turned back.If by
The elastomeric material of a plurality of wire harness shape constitutes calf circumference elastomeric element 46, then leg elastic portion 43 turns into the ripple struction of tubular and easy
Protruding outside towards horizontal X from the leg-openings 19 of diaper 10 and with wearer leg coincide.In addition, in leg elastic portion 43
Place, the convergent force ratio and amphi position edge 40c for making the calf circumference elastomeric element 46 included in the subregion 49 abutted with branch line 41 is abutted
Subregion 49 in the convergent force of calf circumference elastomeric element 46 that includes it is big, such that it is able to make branch line 41 nearby reliably with wearing
The leg of person coincide, and it is possible to prevent the skin of amphi position edge 40c stimulation wearers.
Branch line elastomeric element 44 is located between calf circumference elastomeric element 46 and leakage-proof turnup elastomeric element 45, and as leakproof
The branch line 41 for erecting cardinal extremity edge of turn-up portion 42 adjacently extends along longitudinal Y.Branch line elastomeric element 44 is in wearing diaper 10
When branch line 41 is lifted towards waistline opening 18, prevent branch line 41 from sliding.In order to prevent leakage-proof turnup portion 42 and leg bullet
Property portion 43 overlap, preferably, branch line elastomeric element 44 is configured in branch line 41 and leakage-proof turnup elastomeric element 45
Between and the position that contacts with branch line 41 at.Thus, it is possible to effectively prevent leakage-proof turnup portion 42 from being fallen towards leg elastic portion 43
Under.In the present invention, branch line elastomeric element 44 is not required in that, it is also possible to omit.
Branch line elastomeric element 44 can make elongation multiplying power be for about 1.5~3.0 times of ground using fiber number be for about 300~
The elastomeric material of the wire harness shape of one or more of 940dtex.In the present embodiment, make the elastic yarn of 780dtex to extend again
Rate 2.2 again along longitudinal Y extend, on the elastic yarn adhesive-applying, such as hot-melt adhesive (not shown) and be fixed on leakproof
Between emulsion sheet 33 that turn-up portion 42 is included and back sheet 31.As seen in figures 3-5, in the present embodiment, when overlooking
The position of branch line 41 is substantially uniform with the position of branch line elastomeric element 44.In other words, using being applied to branch's linear elasticity
Bonding agent, such as hot-melt adhesive of part 44 and fixed leakage-proof turnup portion 42 and leg elastic portion 43.Instead of said structure, lead to
Cross using bonding agent, such as hot-melt adhesive will be located at leg elastic portion 43 and leakage-proof turnup portion 42 border emulsion sheet 33 with
The back sheet 31 that leakage-proof turnup portion 42 is included is engaged and as branch line 41, such that it is able at branch line 41 by leakage-proof turnup
Portion 42 and leg elastic portion 43 are fixed.In this case, between branch line 41 and leakage-proof turnup elastomeric element 45 and with
Branch line elastomeric element 44 is configured at the adjoining position of branch line 41 and leakage-proof turnup portion 42 is fixed in.
Leakage-proof turnup portion 42 has the free edge 42c for being left from branch line 41 on horizontal X and being extended along longitudinal Y, leakproof
Flange elastomeric element 45 is fixed along free edge 42c with elongation state.Positioned at leakage-proof turnup portion 42 longitudinal Y both ends it is anti-
Leakage flange rear ends 42a, 42b, are engaged using bonding agent, such as hot-melt adhesive 50 with the skin forward surface of flank 40.
This, preferably, the leakage-proof turnup elastomeric element 45 that leakage-proof turnup rear ends 42a, 42b are included is configured in absorber 32
The horizontal X outsides of both side edges 32c.In addition, leakage-proof turnup elastomeric element 45 is preferably being approached with the lateral margin 32c of absorber 32, example
Within the lateral margin 32c of absorber 32 and standoff distance of the leakage-proof turnup elastomeric element 45 on horizontal X is 2cm.
When diaper 10 is dressed, leakage-proof turnup elastomeric element 45 shrinks, and thus, extends between leakage-proof turnup rear ends 42a, 42b
Free edge 42c is erected relative to absorber 32.Thus, leakage-proof turnup portion 42 plays work(as the enclosing of the leakage for preventing excreta
Energy.
In the present embodiment, leakage-proof turnup elastomeric element 45 and interior side engagement obtained from emulsion sheet 33 of having turned back.It is anti-
Leakage flange elastomeric element 45 can make elongation multiplying power be for about that 1.5~3.0 times of ground are for about one of 300~940dtex using fiber number
The elastomeric material of wire harness shape above.In the present embodiment, two elastic yarns of 470dtex are made to be stretched again to extend multiplying power 2.8
Grow and use.But, the present invention is not limited to this, it is possible to implement various changes, for example make two elastic yarns of 310dtex with
2.2 times of elongation multiplying power extends and uses.In addition, in the present embodiment, the leakage-proof turnup rear ends in leakage-proof turnup portion 42
42a, 42b, engage in the state of leakage-proof turnup portion 42 is laid across towards longitudinal centre line P with front/back waist piece 16,17.But
It is that the present invention is not limited to this, for example as shown in Figure 6, it is also possible to the freedom of leakage-proof turnup elastomeric element 45 will be configured with
Edge 42c bends to the direction away from longitudinal centre line P and is folded free edge 42c's in leakage-proof turnup rear ends 42a, 42b
Engaged with front/back waist piece 16,17 under state.By the free edge 42c, free edge 42c that fold leakage-proof turnup portion 42 as described above
Rigidity raising, leg elastic portion 43 and leakage-proof turnup portion 42 can be more efficiently prevented from and overlapped or intersected.
In the branch line 41 from leakage-proof turnup portion 42 to the part of free edge 42c, liquid-impermeable emulsion sheet 33 and non-
The back sheet 31 of fluidity is overlapped.Thus, it is possible to prevent the product between a pair of the leakage-proof turnup portions 42 erected relative to absorber 32
The excreta deposited oozes out from leakage-proof turnup portion 42.In addition, will have by between a pair of branch lines in leakage-proof turnup portion 42 41
The body side liner 30 of liquid permeability is configured on the skin forward surface of absorber 32 and will arranged between a pair of leakage-proof turnup portions 42
The urine let out is guided rapidly to absorber 32, such that it is able to prevent urine from being overflowed from leakage-proof turnup portion 42.In order to prevent leakage-proof turnup portion
42 is overlap with leg elastic portion 43, preferably, from distance of the branch line 41 in leakage-proof turnup portion 42 to free edge 42c with from branch
Line 41 is roughly the same to the distance of the amphi position edge 40c in leg elastic portion 43 or ratio is from branch line 41 to the amphi position in leg elastic portion 43
The distance of edge 40c is short.
Reference picture 2, in flank rear ends 40a, 40b that vertical view is engaged with the front/back waist piece 16,17 of diaper 10, edge
The direction of the longitudinal centre line P away from diaper 10, is successively leakage-proof turnup elastomeric element 45, branch line elastomeric element 44, leg
Enclose elastomeric element 46.When diaper 10 is dressed, the flank rear ends 40a that is engaged with the front/back waist piece 16,17 of diaper 10,
40b extends along the horizontal X of the waistline direction of wearer, i.e. diaper 10, but is engaged for the front/back waist piece 16,17 with diaper 10
Leakage-proof turnup elastomeric element 45 and calf circumference elastomeric element 46 for, mutually position away from relation on horizontal X and be maintained.
When diaper 10 is dressed, as Fig. 5 schematically shows, in the crotch region domain 13 of diaper 10, positioned at leakproof
Branch line elastomeric element 44 between flange elastomeric element 45 and calf circumference elastomeric element 46, will be positioned at leakage-proof turnup portion 42 and leg
Branch line 41 between elastic portion 43 lifts towards waistline opening 18.As a result, it is possible to prevent branch line 41 from sliding, so as to tie up
Leakage-proof turnup portion 42 and the angulation of leg elastic portion 43 are held, can prevent leakage-proof turnup portion 42 and leg elastic portion 43 from overlapping
Or intersect.In addition, the side elastomeric element 47 configured along the both side edges 32c of absorber 32 is by absorber 32 towards waistline opening
18 lift.When overlooking, leakage-proof turnup elastomeric element 45 is located on the outside of the horizontal X of the lateral margin 32c of absorber 32, leg elastic portion
43 are located at transverse direction X more laterals compared to leakage-proof turnup elastomeric element 45.Therefore, as shown in figure 5, in crotch region domain 13, leg elastic
Portion 43 is protruding outside to the horizontal X of diaper 10, also, at flank 40, from the lateral margin 32c of absorber 32 to leg elastic portion 43
Part extend obliquely upward.As a result, be stably formed from the inner side of diaper 10 in the both sides of absorber 32 observing
When to horizontal X outside depression pocket structure 48.Here, being preferably, the convergent force of leakage-proof turnup elastomeric element 45 is than leg bullet
The convergent force of the calf circumference elastomeric element 46 that property portion 43 is included is big.Thus, in two cross sides of absorber 32, readily and stably shape
To the pocket structure 48 of horizontal X outsides depression when being observed from the inner side of diaper 10.Into the excreta quilt of the pocket structure 48
It is maintained at leakage-proof turnup portion 42 and the part at flank 40 from the both side edges 32c of absorber 32 to leg elastic portion 43,
Therefore, the leak-proof of diaper 10 can be improved.
By leakage-proof turnup rear ends 42a, 42b configuration in the case of the inner side of the both side edges 32c of absorber 32,
Part at flank 40 from the lateral margin 32c of absorber 32 to leg elastic portion 43 turns into the shape for vertically erecting, it is difficult to formed from
To the pocket structure 48 of horizontal X outsides depression when the inner side of diaper 10 is observed.Therefore, the preferred disposition of leakage-proof turnup elastomeric element 45
On the outside of the horizontal X of the lateral margin 32c of absorber 32.
In addition, at front and back waist region 11,12 that vertical view is engaged with flank rear ends 40a, 40b, if transversely X prolongs
The front and back waist elastomeric element 25,26 stretched and the leakage-proof turnup elastomeric element 45, branch line elastomeric element 44 extended along longitudinal Y with
And calf circumference elastomeric element 46 is configured across, then each elastomeric element is interlocked, furthermore, it is possible to make leakage-proof turnup elastomeric element 45, divide
Branch line elastomeric element 44 and calf circumference elastomeric element 46 reliably leave on horizontal X, therefore are preferred.But, each elasticity
As long as part can be interlocked, intersection is not required in that, scope that for example can also be within 20mm is left.In addition, by side
When wing rear ends 40a, 40b is engaged with front and back waist region 11,12, preferably, front and back waist elastomeric element 25,26 with it is anti-
Adhesive-applying, example at the position that leakage flange elastomeric element 45, branch line elastomeric element 44 and calf circumference elastomeric element 46 intersect
Such as hot-melt adhesive.Thus, it is possible to improve the gearing of each elastomeric element.
In the above description, the situation that calf circumference elastomeric element 46 is the elastomeric material of a plurality of wire harness shape is described.But such as
As Fig. 7 is illustrated, it is also possible to the flexible non-woven fabrics of banding is used as into calf circumference elastic portion instead of the elastomeric material of wire harness shape
Part 46, and each by the flexible non-woven fabrics of a piece of banding with three sub-regions 49 in leg elastic portion 43 engages respectively.
In this case it is preferably also, at leg elastic portion 43, makes stretching for the banding included in the subregion 49 abutted with branch line 41
The convergent force of the flexible non-woven fabrics of banding of the convergent force of contracting non-woven fabrics than being included in the subregion 49 that is abutted with amphi position edge 40c
Greatly.Additionally, it is preferred that to make the flexible non-woven fabrics of banding mutually be left on horizontal X.It is used as by by the flexible non-woven fabrics of banding
Calf circumference elastomeric element 46, it is also possible to prevent leg elastic portion 43 and leakage-proof turnup portion 42 in wearing from overlapping or intersecting, Er Qiewen
Surely pocket structure is formed.
More than, on the present invention, described by taking three-chip type disposable diaper 10 as an example, but it is also possible to by absorbing structure
Body 14 engages with the substrate for being divided into front and back waist region 11,12 and crotch region domain 13 and obtains disposable wearing of the invention and use
Article.In addition, the flank 40 and absorber 32 that constitute absorbent 14 can also be using the parts of split.Also, can also
It is configured to, the side for making leakage-proof turnup portion 42 that flank 40 is included and leg elastic portion 43 is the portion with the split of flank 40
Part, engages it with flank 40 at branch line 41.In the respective embodiments described above, unless otherwise specified, then using viscous
Connect agent, such as hot-melt adhesive to be engaged, but it is also possible to engaged using thermally welded, ultrasonic wave coating.Composition is worn
With each structure member of article in addition to it can use the material disclosed in specification of the invention, it is also possible to make without restriction
The usually used various known material in the technical field belonging to the present invention.
It is following things that the disclosure related to disposable diaper of the invention recorded above can at least be arranged
.
Disposable diaper has：Vertical and horizontal and the skin forward surface opposite with the skin of wearer and its
The non-skin forward surface of opposition side, disposable diaper includes：Front waist region, rear waist region and positioned at preceding waistline
Crotch region domain between region and rear waist region, disposable diaper have from crotch region domain to front waist region and after
The absorbent that waist area is extended, disposable diaper is characterised by that absorbent has：Extend longitudinally
Absorber and a pair of flanks extending to two horizontal outsides from the both side edges of absorber, a pair of flanks have respectively：
The amphi position edge that leaves and extend longitudinally from the lateral margin of absorber in the horizontal, between the lateral margin of absorber and amphi position edge
Skin forward surface and extend longitudinally branch line, from branch line branch and to the direction of the longitudinal centre line towards dressing articles
The leakage-proof turnup portion extended and between branch line and amphi position edge and the leg elastic portion that extends longitudinally, leakproof is turned over
Edge and leg elastic portion are bonded with each other at branch line, and leakage-proof turnup portion has to be left and along longitudinal direction from branch line in the horizontal
The free edge of extension, leakage-proof turnup elastomeric element is fixed along free edge with elongation state, and leg elastic portion is divided into edge
Longitudinal extending and three mutually equal sub-regions of horizontal size, calf circumference elastomeric element are consolidated with elongation state in the vertical
Due to subregion each, positioned at the leg elastic portion leading section and leg elastic portion at longitudinal both ends in leg elastic portion
Rearward end, is fixed in front waist region and rear waist region respectively.
The present invention related to disposable diaper disclosed in the preceding paragraph can at least include embodiment disclosed below.
The implementation method can be separated or be mutually combined and be selected.
(1) at flank, branch line elastomeric element is bonded on elongation state is turned in branch line and leakproof in the vertical
Between the elastomeric element of side and with the position of branch's linear contact lay at.
(2) at leg elastic portion, the convergent force of the calf circumference elastomeric element included in the subregion abutted with branch line, than
The convergent force of the calf circumference elastomeric element included in the subregion abutted with amphi position edge is big.
(3) a pair of leakage-proof turnup elastomeric elements in leakage-proof turnup portion are configured in the horizontal positioned at the both side edges of absorber
Outside.
(4) at flank, compared to branch line in horizontal inner side, side elastomeric element is engaged with elongation state, side
Elastomeric element is extended longitudinally along the lateral margin of absorber.
(5) convergent force of leakage-proof turnup elastomeric element is bigger than the convergent force of calf circumference elastomeric element.
Description of reference numerals
10 diapers (disposable dressing articles)
11 front waist regions
12 rear waist regions
13 crotch region domains
14 absorbents
The leading section of 14a absorbents
The rearward end of 14b absorbents
16 front waist pieces
17 rear waist pieces
Waistline elastomeric element before 25
Waistline elastomeric element after 26
32 absorbers
The lateral margin of 32c absorbers
40 flanks
40a flanks leading section
40b flank rearward ends
40c flank amphi position edge
41 branch lines
42 leakage-proof turnup portions
The free edge of 42c
43 leg elastic portions
43a leg elastics portion leading section
43b leg elastics portion rearward end
44 branch line elastomeric elements
45 leakage-proof turnup elastomeric elements
46 calf circumference elastomeric elements
47 side elastomeric elements
49 subregions
P longitudinal centre lines
X transverse directions
Y longitudinal directions
Claims (8)
1. a kind of disposable diaper, the disposable diaper has：Vertical and horizontal and the skin with wearer
Opposite skin forward surface and the non-skin forward surface of its opposition side, the disposable diaper include：Front waist region, after
Waist area and the crotch region domain between the front waist region and the rear waist region, the disposable wearing are used
Article has the absorbent extended to the front waist region and the rear waist region from the crotch region domain, institute
Disposable diaper is stated to be characterised by,
The absorbent has：Absorber along the Longitudinal extending and the both side edges from the absorber are to described
A pair of flanks that two horizontal outsides are extended,
The pair of flank has respectively：Left from the lateral margin of the absorber in the cross direction and along the Longitudinal extending
Amphi position edge, the skin forward surface between the lateral margin of the absorber and the amphi position edge and along the branch of the Longitudinal extending
Line, the leakage-proof turnup portion extended from the branch line branch and to the direction of the longitudinal centre line towards the dressing articles,
And between the branch line and the amphi position edge and along the leg elastic portion of the Longitudinal extending,
The leakage-proof turnup portion and the leg elastic portion are bonded with each other at the branch line,
The leakage-proof turnup portion has to be left and along the free edge of the Longitudinal extending from the branch line in the cross direction, is prevented
Leakage flange elastomeric element is fixed along the free edge with elongation state,
The leg elastic portion is divided into along the Longitudinal extending and three mutually equal sub-districts of the horizontal size
Domain,
Calf circumference elastomeric element is fixed in each of the subregion on the longitudinal direction with elongation state,
Leg elastic portion leading section and leg elastic portion rearward end positioned at longitudinal both ends in the leg elastic portion, respectively
It is fixed in the front waist region and the rear waist region.
2. disposable diaper as claimed in claim 1, it is characterised in that
At the flank, branch line elastomeric element is bonded in the branch line and institute on the longitudinal direction with elongation state
State between leakage-proof turnup elastomeric element and with the position of branch's linear contact lay at.
3. disposable diaper as claimed in claim 1 or 2, it is characterised in that
At the leg elastic portion, the calf circumference elastomeric element included in the subregion abutted with the branch line
Convergent force, the convergent force of the calf circumference elastomeric element than being included in the subregion that is abutted with the amphi position edge is big.
4. the disposable diaper as any one of claims 1 to 3, it is characterised in that
The leakage-proof turnup elastomeric element for being configured at the pair of leakage-proof turnup portion is located at the suction in the cross direction
The outside of the both side edges of acceptor.
5. the disposable diaper as any one of Claims 1 to 4, it is characterised in that
At the flank, compared to the branch line in the horizontal inner side, side elastomeric element is engaged with elongation state,
The side elastomeric element is along the lateral margin of the absorber along the Longitudinal extending.
6. the disposable diaper as any one of Claims 1 to 5, it is characterised in that
The convergent force of the leakage-proof turnup elastomeric element is bigger than the convergent force of the calf circumference elastomeric element.
7. the disposable diaper as any one of claim 2~6, it is characterised in that
Overlook engaged with the front waist region and the rear waist region the flank rear ends when, along from
The longitudinal centre line of the dressing articles away from direction, the leakage-proof turnup elastomeric element, the branch line elastic portion
Part, the calf circumference elastomeric element are arranged in order.
8. the disposable diaper as any one of claim 2~7, it is characterised in that
Front and back waist elastomeric element is in the cross direction with elongation state and the front waist region and the rear waist region
Engagement, when the front waist region and the rear waist region that are engaged with the rear ends of the flank is overlooked, institute
Front and back waist elastomeric element is stated with the leakage-proof turnup elastomeric element, the branch line elastomeric element and the calf circumference elastic portion
Part intersects.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014262817A JP6510808B2 (en) | 2014-12-25 | 2014-12-25 | Disposable Wearables |
| JP2014-262817 | 2014-12-25 | ||
| PCT/JP2015/079266 WO2016103866A1 (en) | 2014-12-25 | 2015-10-16 | Disposable worn article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106794091A true CN106794091A (en) | 2017-05-31 |
| CN106794091B CN106794091B (en) | 2020-11-06 |
Family
ID=56149903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580054175.3A Active CN106794091B (en) | 2014-12-25 | 2015-10-16 | Disposable wearing article |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6510808B2 (en) |
| CN (1) | CN106794091B (en) |
| TW (1) | TWI696454B (en) |
| WO (1) | WO2016103866A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115715179A (en) * | 2020-07-22 | 2023-02-24 | 花王株式会社 | Absorbent article |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3991707B1 (en) * | 2019-06-27 | 2024-05-01 | Kao Corporation | Absorbent article |
| MX2022002369A (en) * | 2019-08-28 | 2022-03-29 | Essity Hygiene & Health Ab | Hygienic article with backsheet arrangement. |
| WO2024008297A1 (en) * | 2022-07-07 | 2024-01-11 | Essity Hygiene And Health Aktiebolag | An absorbent article having standing gathers and leg cuffs |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201630581A (en) | 2016-09-01 |
| JP2016120142A (en) | 2016-07-07 |
| TWI696454B (en) | 2020-06-21 |
| WO2016103866A1 (en) | 2016-06-30 |
| JP6510808B2 (en) | 2019-05-08 |
| CN106794091B (en) | 2020-11-06 |
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