CN102238928B - Absorbent article - Google Patents
Absorbent article Download PDFInfo
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- CN102238928B CN102238928B CN200980148706.XA CN200980148706A CN102238928B CN 102238928 B CN102238928 B CN 102238928B CN 200980148706 A CN200980148706 A CN 200980148706A CN 102238928 B CN102238928 B CN 102238928B
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- Prior art keywords
- tapered portion
- pressing tank
- absorbent commodity
- width
- absorber
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Classifications
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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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
- A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
- A61F13/4756—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level
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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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
- A61F13/47236—Sanitary towels, incontinence pads or napkins specially adapted for female use characterised by an unusual contour
- A61F13/47245—Sanitary towels, incontinence pads or napkins specially adapted for female use characterised by an unusual contour with asymmetry around the x or y axis
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
Provided is an absorbent article with improved contact with the bodily fluid discharge opening and the intergluteal cleft to reliably prevent leakage to the back. In a sanitary napkin (1) in which an absorbent body (4) is placed between a fluid-permeable top sheet (3) and a fluid-impermeable back sheet (2), a pair of compressed grooves (8, 8) that extend roughly in the length direction of the absorbent article are formed on both sides of the fluid-permeable top sheet (3). The compressed grooves (8, 8) have two constricted sections (11, 12) comprising a first constricted section (11) and a second constricted section (12) where the width between the compressed grooves (8, 8) is reduced at an interval in the length direction of the napkin (1), and a bodily fluid discharge opening (H) is positioned toward the front from the two constricted sections (11, 12).
Description
Technical field
The present invention relates to the absorbent commodities such as sanitary napkin for absorbing menses or leucorrhea etc., sanitary pad, incontinence protection, relate to and improve the absorbent commodity of the close property to health to leak after eliminating.
Background technology
All the time, as absorbent commodities such as sanitary pad, sanitary napkin, incontinence protection, known is accompanies the absorbent commodity of the absorber being made up of cotton official form for filing a lawsuit slurry etc. between by liquid permeability top flats (top sheet) such as the opaque liquid egative films such as polyethylene sheets or polyethylene laminated non-woven fabrics (back sheet) and non-woven fabrics or conductivity of an aperture plastic tabs.
This absorbent commodity is carried out to a lot of improvement, taked the various means for preventing that body fluid from spilling.Prevent that as these body fluid from spilling the one of means, have the technology that forms concavity ditch together with high portion in absorber by heat embossing.For example, following technology is proposed in following patent documentation 1: the high portion in forming for making fiber accumulations forms equably absorber make pulp squeezing distortion with the laminating embossing of high shape in imitating, and around middle high portion, leakproof ditch is set, prevents thus the diffusion (spilling) of body fluid.
In addition, in following patent documentation 2, following absorbent commodity is disclosed: it possesses liquid-permeable layer in skin abutment face side, possesses liquid-tight layer in non-skin abutment face side, and possesses the absorbent portion being sandwiched between this liquid-permeable layer and this liquid-tight layer, be formed as lengthwise in fact and form, wherein, possesses the protrusion extending to the length direction along above-mentioned absorbent commodity of skin abutment face side protuberance at the central part of above-mentioned absorbent portion, possess in the non-skin abutment face side of the above-mentioned absorbent portion corresponding with this protrusion the ditch that one or more length direction along above-mentioned absorbent commodity extends.
And in following patent documentation 3, a kind of sanitary napkin having been proposed, it comprises: from using face side joint to be subject to body fluid and to be held in inner absorption key element, be positioned at this inside side and prevent the leakage prevention sheet that body fluid goes out to the inside side leakage from described absorption key element, and rivel oral area, it is at least in the middle of the length direction of finished product, both sides at finished product have elastic telescopic portion material with respect to the rivel oral area thin slice that does not allow in fact body fluid to see through, and dressing when finished product contractility by this elastic telescopic portion material to edge-on of the skin of user, described absorption key element there is the row's of striding across blood port part along its length and width central part to use face side higher in high portion, described rivel oral area is configured to its contractility and at least acts on the length range suitable with scope across row's blood port part, at least on the length range of the row's of striding across blood port part, be formed with embossing in the both sides of the described middle high portion of described absorption key element, these embossing are formed as the shape to the bulging of width foreign side after row's blood port part the past.
And, following sanitary napkin is proposed: as shown in Figure 5 in following patent documentation 4, be formed with a pair of embossing ditch 50,50 in the both sides of middle high portion absorber, and in this embossing ditch, be formed on 3 connected shapes on the length direction of sanitary towel towards the part 51a～51c of foreign side's convex curvature of the width of sanitary towel, the part 51b of convex curvature that is positioned at middle is corresponding with excretory portion region.
Patent documentation 1:JP Unexamined Patent 11-33054 communique
Patent documentation 2:JP Unexamined Patent 10-328232 communique
Patent documentation 3:JP JP 2001-95842 communique
Patent documentation 4:JP JP 2008-79747 communique
Summary of the invention
The invention that aforesaid patent documentation 1～3 is recorded is all by making absorber laminating in the mode consistent with the body shape at row blood position, and the invention spilling of elimination menses etc., but allowing to absorber is roughly close near row's blood mouth of women, stickiness for the position the paddy of the anal cleft portion from vaginal orifice end to rear side is also insufficient, can not prevent reliably spilling of ditch by anal cleft portion.
In addition, in the embossing ditch 50 that described citing document 4 is recorded, the bonding part of each sweep forms the middle tapered portion of dwindling embossing interval, this centre tapered portion strides across excretory portion region and forms in front side and rear side respectively, and in the middle of described, tapered portion becomes the bending starting point of sanitary towel when bending in the longitudinal direction, therefore, observe as a whole the parts that become the easy curved shape along health.In addition, when each sweep 51a～51c is subject to from the side pressure F of thigh root, the large part of width between pressing tank is subject to large compression stress, and the absorber of this part is compared other parts and swelled to flesh face side.
But, if imagination is especially dressed overnight hygienic band and the situation of feeling that sleeps on one's back, compare body fluid excretory portion still insufficient by the close property in the anal cleft portion of rear side, can not eliminate reliably the rear leakage from rear.
Therefore major subjects of the present invention is to provide and has improved for the close property of the ditch of body fluid outlet and anal cleft portion and prevented reliably the absorbent commodity of rear leakage.
In order to solve described problem, as the present invention of technical scheme 1, provide a kind of absorbent commodity, between liquid permeability surface patch and opaque liquid the inside sheet, accompany absorber, it is characterized in that,
Be formed with the pair of right and left pressing tank that roughly length direction along absorbent commodity extends in the both sides of described liquid permeability surface patch, this pressing tank is formed as, tapered portion in the middle of thering are 2 that are formed by tapered portion in the middle of the first middle tapered portion and second that makes the reduced width between pressing tank spaced apart on the length direction of absorbent commodity, body fluid discharge portion compare described in the middle of 2 tapered portion be positioned at front side, and width between pressing tank dwindles to rear portion side gradually from anal cleft portion.
The invention that technique scheme 1 is recorded, be formed with the pair of right and left pressing tank that roughly length direction along absorbent commodity extends in the both sides of liquid permeability surface patch, this pressing tank has by 2 middle tapered portion that in the middle of the first middle tapered portion and second that makes the reduced width between pressing tank spaced apart on the length direction of absorbent commodity, tapered portion forms, and body fluid discharge portion is compared described 2 middle tapered portion and is positioned at front side.
Bending starting point when tapered portion becomes absorbent commodity bending along its length in the middle of tapered portion and second in the middle of described first, as a whole easily with the shape distortion along body shape.In addition, in the present invention, tapered portion in the middle of tapered portion and second in the middle of the rear side of body fluid discharge portion has described first.In the time of the side pressure being subject to from thigh root, part that width between pressing tank is large, in the middle of tapered portion and second, the part beyond tapered portion is subject to large compression stress and compares other parts protuberances in the middle of described first.Particularly, body fluid discharge portion protuberance, and compare it and be formed with 2 bumps by rear side.Therefore, described body fluid discharge portion is close to row's blood mouth, and 2 protrusions are close to respect to the ditch of anal cleft portion, therefore can prevent that menses etc. from propagating then and leaking in the ditch of anal cleft portion.
As the present invention of technical scheme 2, the absorbent commodity of recording according to technical scheme 1 is provided, wherein, in described 2 middle tapered portion, near body fluid discharge portion side first in the middle of tapered portion be positioned at the roughly rear end of vaginal orifice, be positioned at rear side second in the middle of tapered portion be positioned at the roughly deep of the ditch of anal cleft portion.
The invention that technique scheme 2 is recorded, described in the middle of 2 in tapered portion, near body fluid discharge portion side first in the middle of tapered portion be positioned at the roughly rear end of vaginal orifice, be positioned at rear side second in the middle of tapered portion be positioned at the roughly deep of the ditch of anal cleft portion.Because tapered portion in the middle of described is compared other parts with thin width protuberance, therefore be positioned at the roughly rear end of vaginal orifice near the first middle tapered portion of body fluid discharge portion side, be positioned at rear side second in the middle of tapered portion be positioned at the roughly deep of the ditch of anal cleft portion, can more effectively prevent that thus menses etc. from propagating then and leaking in the ditch of anal cleft portion.
As the present invention of technical scheme 3, the absorbent commodity of recording according to technical scheme 1 or 2 is provided, wherein, in the middle of described first, tapered portion is positioned at the position of leaving 28mm ± 10mm from the central point of body fluid discharge portion, and the described second middle tapered portion is positioned at the position of leaving 85mm ± 10mm from the central point of body fluid discharge portion.
The invention that technique scheme 3 is recorded, the invention that has specified to be recorded by technical scheme 2 from numerical value limit first in the middle of the position of tapered portion in the middle of tapered portion and second.
As the present invention of technical scheme 4, the absorbent commodity of recording according to any one in technical scheme 1～3 is provided, wherein, the width that described pressing tank is formed as between pressing tank dwindles to rear side gradually from the rear portion side of anal cleft portion.
The invention that technique scheme 4 is recorded, the width that pressing tank is formed as between pressing tank dwindles to rear side gradually from the rear portion side of anal cleft portion, thus, easily fits with respect to ditch at the termination side draught acceptor of anal cleft portion, has prevented from propagating spilling.
As the present invention of technical scheme 5, the absorbent commodity of recording according to any one in technical scheme 2～4 is provided, and wherein, described absorber has to high portion in face side protuberance, and, in this rear side ora terminalis of high portion compare be positioned at described rear side second in the middle of tapered portion be positioned at front side.
The invention that technique scheme 5 is recorded, absorber has to high portion in face side protuberance, and, in this rear side ora terminalis of high portion compare be positioned at described rear side second in the middle of tapered portion be positioned at front side.At the rear side of absorbent commodity, be the position being not too subject to from the impact of the side pressure of thigh root, therefore it would be better to the rigidity of preferred reduction absorber, make it easily along the shape distortion of ditch.
As the present invention of technical scheme 6, the absorbent commodity of recording according to technical scheme 5 is provided, wherein, the lateral margin of described middle high portion is positioned at the position separating to the inside from described pair of right and left pressing tank.
The invention that technique scheme 6 is recorded is vacated certain interval, and in the time that effect has side pressure, middle high portion absorber is more easily swelled to flesh face side between making between the lateral margin of middle high portion and pressing tank.
Invention effect
As described above in detail, according to the present invention, improve the close property for the ditch of body fluid outlet and anal cleft portion, can prevent reliably rear leakage.
Brief description of the drawings
Fig. 1 is the biopsy cavity marker devices expanded view of sanitary napkin 1 of the present invention.
Fig. 2 is that the II-II of Fig. 1 is to view.
Fig. 3 is the amplification plan view of pressing tank 8～10.
Fig. 4 is the top view that represents the variation of pressing tank 8,8.
Fig. 5 is the top view that represents the existing pressing tank 50 of patent documentation 4.
Label declaration
1 ... sanitary napkin, 2 ... opaque liquid the inside sheet, 3 ... liquid permeability surface patch, 4 ... absorber, 5 ... crimped paper, 7 ... sidepiece non-woven fabrics, 8 ... sidepiece pressing tank, 9 ... leading section is in conjunction with pressing tank, 10 ... rearward end is in conjunction with pressing tank, 11 ... tapered portion, 12 in the middle of first ... tapered portion, 13 in the middle of second ... the first expanding portion, 14 ... the second expanding portion, 15 ... the 3rd expanding portion, F ... flap portion, W ... wing flap
Detailed description of the invention
Below, the embodiment that present invention will be described in detail with reference to the accompanying.
(basic structure of sanitary napkin 1)
Fig. 1 is the biopsy cavity marker devices expanded view of sanitary napkin 1 of the present invention, and Fig. 2 is that the II-II of Fig. 1 is to view.
Opaque liquid that above-mentioned sanitary napkin 1 is made up of polythene strip, polypropylene foil etc. the inside sheet 2, can make liquid permeability surface patch 3 that menses and leucorrhea etc. see through rapidly, between these two thin slices 2,3 by cotton official form for filing a lawsuit is starched or synthetic paper-pulp etc. is made absorber 4, form around the crimped paper 5 of above-mentioned absorber 4, the sidepiece non-woven fabrics 7,7 that forms along long side direction respectively in surperficial both sides for keeping the shape of this absorber 4 and improving diffusibility.Around above-mentioned absorber 4, lower end edge portion thereon, by adhesion means such as bonding agent or heat-sealing such as hot melt agent, the outer edge of above-mentioned opaque liquid the inside sheet 2 and liquid permeability surface patch 3 is engaged, in addition, in its edge, both sides, engage to above-mentioned opaque liquid the inside sheet 2 and the above-mentioned sidepiece non-woven fabrics 7 of side extension comparing absorber 4 by adhesion means such as bonding agent or heat-sealing such as hot melt agent, form the flap portion F that does not have absorber 4 in periphery.
Further describe the structure of above-mentioned sanitary napkin 1 below.
Though above-mentioned opaque liquid the inside sheet 2 has adopted the alkenes such as polyethylene or polypropylene resin sheet etc. at least to have the sheet material of water-resisting property, but, in addition, the stacked non-woven fabrics that also can adopt stacked non-woven fabrics on polythene strip etc. and form, or and then sandwiched waterproof membrane and substantially guarantee to adopt on the basis of opaque liquid non-woven fabric plate (in this case, forming opaque liquid the inside sheet by waterproof membrane and non-woven fabrics) etc.In the last few years, from preventing vexed wet viewpoint, tended to adopt the material with poisture-penetrability.This water proof/poisture-penetrability sheet material forms after thin slice for melting mixing inorganic filler in the alkenes such as polyethylene or polypropylene resin, thereby extends along single shaft or biaxially oriented the micro-porous sheet obtaining.
Then, above-mentioned liquid permeability surface patch 3 preferably adopts non-woven fabrics, the porous plastic sheet etc. of porose or atresia.As the raw material fiber that forms non-woven fabrics, for example, except the alkenes such as polyethylene or polypropylene, polyesters, the synthetic fibers such as polyamide-based, can also adopt the natural fibers such as the regenerated fiber such as artificial silk or ammonia copper wire, cotton, also can adopt the non-woven fabrics obtaining by the suitable processing method such as spun laced process, spun-bond process, heat viscosity method, meltblown, needle point method.In these processing methods, the advantage of spun laced process is to be imbued with flexibility and drapability, and the advantage of heat viscosity method is fluffy softness.
The absorber 4 being folded between above-mentioned opaque liquid the inside sheet 2 and liquid permeability surface patch 3 is for example made up of fine hair official form for filing a lawsuit slurry and water absorbent polymer.Above-mentioned water absorbent polymer forming in the paper pulp of absorber, for example, is sneaked into as nodular powder.As above-mentioned paper pulp, can enumerate the material that the man-made cellulose fibers such as the cellulose fibre such as chemical pulp, dissolving pulp or artificial silk, acetate fiber that obtained by timber forms, functional and in price, compared with broad leaf tree paper pulp, be more suitable for the coniferous tree paper pulp that adopts fiber to grow.Described absorber 4 possesses at width central part to the high absorber 4A of portion in flesh face side protuberance.
In addition, in described absorber 4 and the middle high absorber 4A of portion, also can mix synthetic fibers.Above-mentioned synthetic fibers, for example can use polyamide-based and their copolymer etc. of polyesters, the nylon etc. such as the olefines such as polyethylene or polypropylene, polyethylene terephthalate, polybutylene terephthalate, can be also by two kinds of materials that mix wherein.In addition, also can use taking the high fiber of fusing point as core and the composite fibre such as the core-sheath-type fiber taking low-melting fiber as sheath, bilateral fibre, Splittable fiber.Above-mentioned synthetic fibers, in order to have the affinity for body fluid, preferably adopt by hydrophilic agent and carried out surface-treated material for hydrophobic fibre.
As this example, in the case of arranging around the crimped paper 5 of absorber 4,4A, result is situated between and has crimped paper 5 between liquid permeability surface patch 3 and absorber 4, and the described crimped paper 5 good by absorbability spreads rapidly body fluid, and prevents the refluence of these menses etc.Particularly in the present invention, as back segment describes in detail, in order to reduce the discomfort of dressing when sanitary towel as one of object, the scope that the thickness that preferably makes the middle high 4A of portion position (comprising absorber 4) is 4.5～6.5mm, and in the thickness that makes absorber 4 (periphery) scope that is 2.2～4.2mm, in order to be imbued with flexibility, preferably the manufacture method of absorber 4 forms fiber accumulations paper pulp, air lay absorber.In addition, although not shown, high structure during absorber 4 also can the bulging of blood mouth correspondence portion of the row of employing.
On the other hand, face side both sides at this sanitary napkin 1 arrange sidepiece non-woven fabrics 7,7 in the roughly total length along its length and in sanitary towel 1 respectively, the part of this sidepiece non-woven fabrics 7,7 is extended to side, and form wing flap W, W by the part of sheet 2 inside the opaque liquid extending to side equally.
As above-mentioned sidepiece non-woven fabrics 7, consider from the function point of paying close attention to, can use water-proofing treatment non-woven fabrics or hydrophilic treated non-woven fabrics.For example, soak into or improve the functions such as skin sense of touch if attention prevents menses and leucorrhea etc., preferably adopting the water-proofing treatment non-woven fabrics that has been coated with silicon class, wax class, alkyl Chlorizate chromium class waterproofing agent etc.In addition, if the absorbability in above-mentioned wing flap W, W such as attention menses, preferably adopt following hydrophilic treated non-woven fabrics: in synthetic fibers manufacture process, such as, coexist by make to there is the compound of hydrophilic group, the oxidation product of Polyethylene Glycol etc. and the method for polymerization, or by utilizing the slaines such as stannic chloride to process to make surface local to dissolve to obtain porous and make the method etc. of metal hydroxides deposition, make synthetic fibers have swelling or porous, application capillarity provides hydrophilic.
(structure of pressing tank 8,8)
In this sanitary napkin 1, specifically as shown in Figure 3, be formed with the pair of right and left pressing tank 8,8 (below also referred to as sidepiece pressing tank) that roughly length direction along sanitary towel 1 extends in the both sides of described liquid permeability surface patch 3.This sidepiece pressing tank 8,8 in toe lateral by leading section in conjunction with pressing tank 9 combinations, and in rearward end by rearward end in conjunction with pressing tank 10 combinations, closed on Zhou Fangxiang as a whole thus.In addition, embossing, ultrasound wave or their combinations etc. that these pressing tanks 8～10 can be by utilizing heat and/or pressure arbitrarily means are made.In addition, be formed with the middle high absorber 4A of portion in the inside of the pressing tank 8～10 along described Zhou Fangxiang closure.
Below, for described pressing tank 8～10, describe in detail particularly based on Fig. 3.
Described leading section is to be formed as the roughly pressing tank of semicircle arcuation in conjunction with pressing tank 9, be roughly each pair of right and left sidepiece pressing tank 8,8 along its length of making respectively to form in the both sides of the middle high absorber 4A of portion at sanitary towel's leading section the pressing tank with circular-arc curve combination.
Described rearward end is to be also formed as the roughly pressing tank of semicircle arcuation in conjunction with pressing tank 10, be roughly each pair of right and left sidepiece pressing tank 8,8 along its length of making respectively to form in the both sides of the middle high absorber 4A of portion in sanitary towel's rearward end the pressing tank with circular-arc curve combination.
Described sidepiece pressing tank the 8, the 8th, from the roughly leading section of vaginal orifice until the pressing tank extending along its length that the scope of the roughly terminal of anal cleft portion forms, be formed as, tapered portion 11,12 in the middle of thering are two that are formed by tapered portion 12 in the middle of the first middle tapered portion 11 and second of the reduced width that makes 8,8 of pressing tanks spaced apart on the length direction in sanitary towel 1, and, body fluid discharge portion H compare described in the middle of 2 tapered portion 11,12 be positioned at front side, and the width of 8,8 of pressing tanks dwindles to rear portion side gradually from anal cleft portion.
As a result, there is respectively the relatively wide part of width of 8,8 of pressing tanks in the front and rear part of the described first middle tapered portion 11,12.In the middle of described first, the front side of tapered portion 11 is the first expanding portion 13, and rear side is the second expanding portion 14, and the rear side of the described second middle tapered portion is the 3rd expanding portion 15.
Preferably in the middle of described 2 in tapered portion 11,12, near body fluid discharge portion H side first in the middle of tapered portion 11 be positioned at the roughly rear end of vaginal orifice K, be positioned at rear side second in the middle of tapered portion 12 be positioned at the roughly deep of the ditch of anal cleft portion.If with concrete numeric representation, preferred, the described first middle tapered portion 11 is positioned at from the central point of body fluid discharge portion H leaves 28mm ± 10mm (L
1) position, described in the middle of second tapered portion 12 be positioned at from the central point of body fluid discharge portion H and leave 85mm ± 10mm (L
2) position.
Therefore, bending starting point when described 2 middle tapered portion 11,12 become sanitary towel 1 bending along its length, as a whole easily with the shape distortion along body shape.Compare body fluid discharge portion H by described 2 middle tapered portion 11,12 and be positioned at rear side, have 2 places by described bending starting point, the menses that easily absorption propagation spills etc., prevent rear leakage effectively.
In addition, as shown in Figure 3, from thigh root until anal cleft portion and rear end side thereof, be compressed power F, F from both sides towards the length direction central side of sanitary towel 1 ... time, on the each several part of the first～three extended expanding portion 13～15 of the width of 8,8 of pressing tanks, compare described middle tapered portion 11,12 and be subject to larger compression stress, absorber 4 is compared other parts and is swelled to skin side.Therefore, comprise described body fluid discharge portion H and be close to row's blood mouth in the first interior expanding portion 13, and 2 the second expanding portions 14 and the 3rd expanding portion 15 be close to respect to the ditch of anal cleft portion, therefore can prevent that menses etc. from propagating then and leaking in the ditch of anal cleft portion.
In addition, the width that described sidepiece pressing tank 8,8 is formed as between pressing tank dwindles to rear side gradually from the rear portion side of anal cleft portion.Therefore, carry out paddy folding with the folding line shown in this dotted line C, easily fit in the ditch of anal cleft portion.
Herein, if the width of described sidepiece pressing tank 8,8 is specifically as described below with suitable numeric representation.
The most significantly B of the first expanding portion 13
1be 46～56mm, the width B of the first middle tapered portion
2be 42～54mm, the most significantly B of the second expanding portion 14
3be 46～57mm, the width B of the second middle tapered portion
4be 33～45mm, the most significantly B of the 3rd expanding portion 15
5be 43～53mm.Preferred in addition, the most significantly B of described the first expanding portion 13
1width B with the described first middle tapered portion
2relative mistake (B
1-B
2) be 2～4mm, the most significantly B of described the second expanding portion 14
3width B with the first middle tapered portion
2relative mistake (B
3-B
2) be 3～4mm, the most significantly B of described the second expanding portion 14
3width B with the second middle tapered portion
4relative mistake (B
3-B
4) be 10～13mm, the most significantly B of the 3rd expanding portion 15
5width B with the second middle tapered portion
4relative mistake (B
5-B
4) be 8～10mm.
On the other hand, about the described middle high absorber 4A of portion, preferably, as shown in Figure 1, the rear side ora terminalis of the middle high absorber 4A of portion compare be positioned at described rear side second in the middle of tapered portion 12 be positioned at front side.At the rear side of sanitary towel 1, owing to being the position being not too subject to from the impact of the side pressure of thigh root, therefore it would be better to and preferably make absorber 4, the rigidity of 4A reduces, and in the middle of second, the easy bending of tapered portion 12 ground is bending, is easily out of shape along the shape of ditch.In addition, preferably the lateral margin of the described middle high absorber 4A of portion is positioned at the position separating to the inside from described pair of right and left pressing tank 8,8.Between the lateral margin of the middle high 4A of portion and pressing tank 8,8, vacate certain interval, in the time that effect has side pressure F, F, the middle high absorber 4A of portion more easily swells to flesh face side thus.And, if in the described middle high absorber 4A of portion with the embossing of the additional point-like of mode scattered, in the density of the high absorber 4A of portion can increase and produce hardness, while being therefore subject to side pressure F, F, further, to flesh face side protuberance, stickiness is improved.
(other mode examples)
(1) in aforesaid way example, pressing tank 8 be formed on front and rear part in conjunction with, on Zhou Fangxiang closed plan view shape, but also can be as shown in Figure 4, be formed on the inc plan view shape in front and rear part.
Claims (6)
1. an absorbent commodity accompanies absorber between liquid permeability surface patch and opaque liquid the inside sheet, it is characterized in that,
Be formed with the pair of right and left pressing tank that roughly length direction along absorbent commodity extends in the both sides of described liquid permeability surface patch, this pressing tank has 2 middle tapered portion by tapered portion forms in the middle of the first middle tapered portion and second that makes the reduced width between pressing tank spaced apart on the length direction of absorbent commodity
In the middle of described first, the front side of tapered portion exists the width between pressing tank to compare first the first relatively wide expanding portion of middle tapered portion, described in the middle of first in the middle of the rear side and described second of tapered portion the front side of tapered portion exist width between pressing tank compare first in the middle of tapered portion relatively wide and compare second in the middle of the second relatively wide expanding portion of tapered portion, in the middle of described second, the rear side of tapered portion exists the width between pressing tank to compare the second the 3rd relatively wide expanding portion of middle tapered portion
Body fluid discharge portion compares the described first middle tapered portion and the second middle tapered portion is positioned at front side.
2. absorbent commodity according to claim 1, wherein,
Described in the middle of 2 in tapered portion, near body fluid discharge portion side first in the middle of tapered portion be positioned at the roughly rear end of vaginal orifice, be positioned at rear side second in the middle of tapered portion be positioned at the roughly deep of the ditch of anal cleft portion.
3. absorbent commodity according to claim 1 and 2, wherein,
In the middle of described first, tapered portion is positioned at the position of leaving 28mm ± 10mm from the central point of body fluid discharge portion, and the described second middle tapered portion is positioned at the position of leaving 85mm ± 10mm from the central point of body fluid discharge portion.
4. absorbent commodity according to claim 1 and 2, wherein,
The width that described pressing tank is formed as between pressing tank dwindles to the rear side of absorbent commodity gradually from the rear portion side of anal cleft portion.
5. absorbent commodity according to claim 1 and 2, wherein,
Described absorber has to high portion in face side protuberance, and, in this ora terminalis of the rear side of high portion compare in the middle of described 2, in tapered portion, be positioned at rear side second in the middle of tapered portion be positioned at front side.
6. absorbent commodity according to claim 5, wherein,
The lateral margin of described middle high portion is positioned at the position separating to the inside from described pair of right and left pressing tank.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-308263 | 2008-12-03 | ||
| JP2008308263A JP4689715B2 (en) | 2008-12-03 | 2008-12-03 | Absorbent articles |
| PCT/JP2009/070021 WO2010064580A1 (en) | 2008-12-03 | 2009-11-27 | Absorbent article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102238928A CN102238928A (en) | 2011-11-09 |
| CN102238928B true CN102238928B (en) | 2014-09-17 |
Family
ID=42233231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980148706.XA Active CN102238928B (en) | 2008-12-03 | 2009-11-27 | Absorbent article |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4689715B2 (en) |
| CN (1) | CN102238928B (en) |
| WO (1) | WO2010064580A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5727246B2 (en) * | 2011-01-31 | 2015-06-03 | 大王製紙株式会社 | Absorbent articles |
| JP6162412B2 (en) * | 2013-01-29 | 2017-07-12 | 大王製紙株式会社 | Absorbent articles |
| JP5938438B2 (en) * | 2014-06-13 | 2016-06-22 | 大王製紙株式会社 | Absorbent articles |
| BR112016003662B1 (en) | 2014-12-26 | 2022-01-04 | Unicharm Corporation | DISPOSABLE DIAPER |
| JP6271413B2 (en) * | 2014-12-26 | 2018-01-31 | ユニ・チャーム株式会社 | Disposable diapers |
| JP6551829B2 (en) * | 2015-03-27 | 2019-07-31 | 大王製紙株式会社 | Disposable diapers |
| JP6446327B2 (en) * | 2015-05-26 | 2018-12-26 | ユニ・チャーム株式会社 | Disposable diapers |
| JP6207639B2 (en) * | 2016-01-26 | 2017-10-04 | 大王製紙株式会社 | Absorbent articles |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101152115A (en) * | 2006-09-27 | 2008-04-02 | 花王株式会社 | Absorbency substance |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4652911B2 (en) * | 2005-07-01 | 2011-03-16 | ユニ・チャーム株式会社 | Absorbent articles |
| JP4745079B2 (en) * | 2006-02-20 | 2011-08-10 | 花王株式会社 | Absorbent articles |
| JP4953618B2 (en) * | 2005-11-02 | 2012-06-13 | ユニ・チャーム株式会社 | Absorbent articles |
| JP4976066B2 (en) * | 2006-06-30 | 2012-07-18 | 大王製紙株式会社 | Absorbent articles |
| JP2008093289A (en) * | 2006-10-13 | 2008-04-24 | Kao Corp | Absorbent article |
-
2008
- 2008-12-03 JP JP2008308263A patent/JP4689715B2/en active Active
-
2009
- 2009-11-27 CN CN200980148706.XA patent/CN102238928B/en active Active
- 2009-11-27 WO PCT/JP2009/070021 patent/WO2010064580A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101152115A (en) * | 2006-09-27 | 2008-04-02 | 花王株式会社 | Absorbency substance |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2007-7283A 2007.01.18 |
| JP特开2008-6204A 2008.01.17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4689715B2 (en) | 2011-05-25 |
| WO2010064580A1 (en) | 2010-06-10 |
| JP2010131101A (en) | 2010-06-17 |
| CN102238928A (en) | 2011-11-09 |
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