JP2001037810A - Absorbent article - Google Patents
Absorbent articleInfo
- Publication number
- JP2001037810A JP2001037810A JP11214334A JP21433499A JP2001037810A JP 2001037810 A JP2001037810 A JP 2001037810A JP 11214334 A JP11214334 A JP 11214334A JP 21433499 A JP21433499 A JP 21433499A JP 2001037810 A JP2001037810 A JP 2001037810A
- Authority
- JP
- Japan
- Prior art keywords
- leak
- absorber
- liquid
- proof sheet
- sheet
- 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
Links
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、生理用ナプキン、
使い捨ておむつ、失禁パッド、パンティライナー、ペッ
ト用シート等の吸収性物品に関し、より詳しくは、着装
内のムレが防止され且つ吸収した液が漏れない吸収性物
品に関する。TECHNICAL FIELD The present invention relates to a sanitary napkin,
The present invention relates to an absorbent article such as a disposable diaper, an incontinence pad, a panty liner, and a sheet for a pet, and more particularly, to an absorbent article that prevents stuffiness in clothes and does not leak absorbed liquid.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】吸収性
物品の防漏シートを透湿化し、着用中の濡れ感、ムレ感
を無くすと共に皮膚の含水膨潤を抑制して皮膚トラブル
の発症を抑える手法は、生理用ナプキン、ベビー用おむ
つ、大人用おむつ、失禁パッド、パンティライナー等の
分野で用いられている。この方法によれば水蒸気が吸収
性物品の外に排出され、着装内の湿度を低下させること
ができるが、吸収した経血等が漏れ易くなり、特に多量
の液体を吸収した場合に液漏れを生じる恐れがあった。2. Description of the Related Art The leakage-preventing sheet of an absorbent article is made permeable to moisture to eliminate the feeling of wetting and stuffiness while wearing and to suppress the swelling of the skin with water, thereby suppressing the occurrence of skin troubles. The technique is used in the fields of sanitary napkins, baby diapers, adult diapers, incontinence pads, panty liners, and the like. According to this method, water vapor is discharged to the outside of the absorbent article, and the humidity in the clothes can be reduced.However, the absorbed menstrual blood and the like are likely to leak, and the liquid leak may occur particularly when a large amount of liquid is absorbed. There was a possibility.
【０００３】従って、本発明は、吸収した液の液漏れ防
止機能と透湿機能とが両立された吸収性物品を提供する
ことを目的とする。[0003] Accordingly, it is an object of the present invention to provide an absorbent article having both a function of preventing leakage of absorbed liquid and a function of permeating moisture.
【０００４】[0004]
【課題を解決するための手段】本発明は、液透過性の表
面シート、液不透過性の第１防漏シート、及び両シート
間に介在された液保持性の吸収体を備えた実質的に縦長
の吸収性物品において、前記第１防漏シートは、通気性
を有しており、前記吸収体の長手方向の両側部に左右一
対の液不透過性の第２防漏シートが配されており、前記
吸収体の非肌当接面側における長手方向の少なくとも中
央部には、前記第２防漏シートが存在していないことを
特徴とする吸収性物品を提供することにより上記目的を
達成したものである。The present invention substantially comprises a liquid-permeable topsheet, a liquid-impermeable first leak-proof sheet, and a liquid-retentive absorber interposed between the two sheets. In the vertically long absorbent article, the first leak-proof sheet has air permeability, and a pair of left and right liquid-impermeable second leak-proof sheets is disposed on both longitudinal sides of the absorber. The above object is achieved by providing an absorbent article characterized in that the second leak-proof sheet is not present at least in the central portion in the longitudinal direction on the non-skin contact surface side of the absorber. It has been achieved.
【０００５】[0005]
【発明の実施の形態】以下本発明を、その好ましい実施
形態に基づき図面を参照しながら説明する。図１及び２
に示す本実施形態の生理用ナプキン１は、実質的に縦長
の形状をしており、液透過性の表面シート２、液不透過
性の第１防漏シート３、及び両シート間に介在された液
保持性の吸収体４を備えている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described based on preferred embodiments with reference to the drawings. Figures 1 and 2
The sanitary napkin 1 of the present embodiment shown in FIG. 1 has a substantially vertically long shape, and is interposed between a liquid-permeable top sheet 2, a liquid-impermeable first leakproof sheet 3, and both sheets. And a liquid-holding absorber 4.
【０００６】詳細には、吸収体４は、平面視して略矩形
状の縦長形状をしており、その非肌当接面側が第１防漏
シート３に当接されて該第１防漏シート３上に載置され
ている。表面シート２は、装着時に着用者の肌に当接さ
れる肌当接面を形成するもので、吸収体４よりも大きい
外形寸法を有しており、その長手方向の左右両側縁部
は、吸収体４の左右の両側部を覆って吸収体４の非肌当
接面側に位置し、その長手方向の両端部は、吸収体の前
後の端部４ｂ，４ｂよりも外方に延出している。そし
て、表面シート２及び第１防漏シート３は、吸収体４の
前後の端部４ｂ，４ｂよりも延出する部分において互い
にヒートシールにより接合されている。More specifically, the absorber 4 has a substantially rectangular vertical shape in plan view, and its non-skin contact surface side is in contact with the first leak-proof sheet 3 so that It is placed on the sheet 3. The topsheet 2 forms a skin contact surface that comes into contact with the wearer's skin when worn, has a larger outer dimension than the absorber 4, and has left and right side edges in the longitudinal direction. It is located on the non-skin contact surface side of the absorber 4 so as to cover both left and right sides of the absorber 4, and both longitudinal ends of the absorber 4 extend outward from the front and rear ends 4b, 4b of the absorber. ing. The topsheet 2 and the first leak-proof sheet 3 are joined to each other by heat sealing at portions extending beyond the front and rear ends 4b of the absorber 4.
【０００７】吸収体４に当接される第１防漏シート３の
面上には、接着剤９がスパイラル状に塗布されており、
該接着剤９を介して吸収体４の非肌当接面側に第１防漏
シート３が接着固定されている。第１防漏シート３の下
面にはナプキン１を着用者の着衣に固定するための粘着
剤（図示せず）が塗布されており、該粘着剤は剥離紙
（図示せず）によって保護されている。An adhesive 9 is spirally applied on the surface of the first leak-proof sheet 3 which is in contact with the absorber 4.
The first leak-proof sheet 3 is bonded and fixed to the non-skin contact surface side of the absorber 4 via the adhesive 9. An adhesive (not shown) for fixing the napkin 1 to the clothes of the wearer is applied to the lower surface of the first leak-proof sheet 3, and the adhesive is protected by a release paper (not shown). I have.
【０００８】而して、第１防漏シート３は、通気性、好
ましくは水蒸気透過性を有している。これにより生理用
ナプキン１を装着した場合に着装内の湿度の上昇が防止
され、快適な装着感が得られる。第１防漏シート３の水
蒸気透過性の程度は、着装内の湿度の上昇防止の観点か
ら、ＪＩＳ Ｚ０２０８に従い測定された透湿度（以
下、透湿度というときはこの方法により測定されたもの
をいう）が、好ましくは０．７ｇ／(100cm2 ・24hr）以
上、より好ましくは１．０〜５．０ｇ／(100cm2 ・24h
r）、特に好ましくは１．５〜３．０ｇ／(100cm2 ・24h
r）である。[0008] Thus, the first leak-proof sheet 3 has air permeability, preferably water vapor permeability. Thereby, when the sanitary napkin 1 is worn, an increase in the humidity inside the wear is prevented, and a comfortable wearing feeling is obtained. The degree of the water vapor permeability of the first leak-proof sheet 3 is determined from the viewpoint of preventing the rise of the humidity in the clothes from the viewpoint of the moisture permeability measured according to JIS Z0208 (hereinafter, the moisture permeability refers to the one measured by this method). ) Is preferably 0.7 g / (100 cm 2 · 24 hr) or more, more preferably 1.0 to 5.0 g / (100 cm 2 · 24 h)
r), particularly preferably 1.5 to 3.0 g / (100 cm 2 · 24 h
r).
【０００９】本実施形態における第１防漏シート３は、
液不透過性で且つ通気性、好ましくは水蒸気透過性を有
する疎水性のフィルムからなる。斯かるフィルムの好ま
しい例としては、疎水性の熱可塑性樹脂と、炭酸カルシ
ウム等からなる微小な無機フィラー又は相溶性のない有
機高分子等とを溶融混練してフィルムを形成し、該フィ
ルムを一軸又は二軸延伸して得られる多孔性フィルムが
挙げられる。また、第１防漏シート３としては、吸収性
物品に従来使用されている、液不透過性で且つ通気性、
好ましくは水蒸気透過性を有する各種のシートを用いる
ことができ、例えば、ポリエチレン、ポリエステル、ポ
リプロピレンや、ポリエチレン−ポリプロピレン複合繊
維、ポリエチレン−ポリエステル複合繊維等からなる撥
水性の不織布、非相溶性の熱可塑性樹脂同士、具体的に
はポリエチレン、ポリエステル、ポリプロピレン、ナイ
ロン、アクリル等から任意に組み合わされた分割型複合
繊維からなる撥水性不織布、スパンボンド不織布、メル
トブローン不織布からなる撥水性の多層複合不織布、又
は上記のシートと該撥水性不織布との複合シート、又は
上記シートとポリエチレン、ポリエステル、ポリプロピ
レンや、ポリエチレン−ポリプロピレン複合繊維、ポリ
エチレン−ポリエステル複合繊維等からなる親水性不織
布との複合シート等が挙げられる。The first leak-proof sheet 3 in the present embodiment is
It consists of a hydrophobic film that is liquid-impermeable and air-permeable, preferably water-vapor-permeable. As a preferable example of such a film, a film is formed by melt-kneading a hydrophobic thermoplastic resin, a fine inorganic filler made of calcium carbonate or the like, or an incompatible organic polymer or the like, and forming the film uniaxially. Alternatively, a porous film obtained by biaxial stretching can be used. The first leak-proof sheet 3 is liquid-impermeable and air-permeable, which is conventionally used for absorbent articles.
Preferably, various sheets having water vapor permeability can be used. For example, water-repellent non-woven fabric made of polyethylene, polyester, polypropylene, polyethylene-polypropylene composite fiber, polyethylene-polyester composite fiber, and the like, incompatible thermoplastic Water-repellent nonwoven fabric, spunbonded nonwoven fabric, spunbonded nonwoven fabric, water-repellent multi-layer composite nonwoven fabric made of meltblown nonwoven fabric, or any combination of the above, specifically, polyethylene, polyester, polypropylene, nylon, acrylic, etc. Or a composite sheet of the above-mentioned sheet and a hydrophilic non-woven fabric made of polyethylene, polyester, polypropylene, polyethylene-polypropylene composite fiber, polyethylene-polyester composite fiber, etc. And the like.
【００１０】一般的にずれ止め粘着剤を用いた吸収性物
品は、非肌当接面側に当たる液不透過性の第１防漏シー
ト３のフィルム強度によって、ずれ止め粘着剤により、
着用者の着衣に固定し、使用後取りはずす際に、粘着
剤、もしくは粘着剤と防漏シートの一部が着衣に残る場
合がある。斯かる問題を防ぐ観点から、第１防漏シート
３は、ＪＩＳ Ｋ７１２８（Ｂ法）に従い測定された引
裂き強度が、ＭＤ方向で２０ｇ以上、ＣＤ方向で１００
ｇ以上であることが好ましい。また、吸収性物品の構成
としては、上記問題を防ぐ観点から、吸収体４と第１防
漏シート３とを、粘着剤が塗布される部分において接着
剤で接着固定し一体化することが更に好ましい。In general, an absorbent article using a non-slip adhesive is made of a liquid-impermeable first leak-proof sheet 3 which is in contact with the non-skin contact surface, and is formed of a non-slip adhesive by the film strength.
When fixed to the wearer's clothes and removed after use, the adhesive or a part of the adhesive and the leak-proof sheet may remain on the clothes. From the viewpoint of preventing such a problem, the first leakproof sheet 3 has a tear strength of at least 20 g in the MD direction and 100 in the CD direction measured according to JIS K7128 (B method).
g or more. Further, as a configuration of the absorbent article, from the viewpoint of preventing the above problem, it is further preferable that the absorber 4 and the first leak-proof sheet 3 are bonded and fixed with an adhesive at a portion where the adhesive is applied, and integrated. preferable.
【００１１】また、生理用ナプキン１における吸収体４
の長手方向の両側部４ａ，４ａには、該両側部４ａ，４
ａそれぞれを覆うように、左右一対の液不透過性の第２
防漏シート５，５が配されている。第２防漏シート５
は、帯状のシートであり、その長手方向に沿う一方の縁
部５ａが、吸収体４の肌当接面側に位置し、他方の縁部
５ｂが、吸収体４の非肌当接面側に位置するように配さ
れている。そして、吸収体４の非肌当接面側における長
手方向の中央部には、第２防漏シート５，５が存在して
いない。即ち、両第２防漏シート５，５の非肌当接面側
に位置された縁部５ｂ，５ｂ同士は離間されている。ま
た、第２防漏シート５は、吸収体４の側部４ａにおい
て、該吸収体４と表面シート２との間に配されている。Further, the absorbent 4 in the sanitary napkin 1
Are provided on both sides 4a, 4a in the longitudinal direction.
a a pair of left and right liquid impermeable second
Leak-proof sheets 5 and 5 are provided. Second leak-proof sheet 5
Is a strip-shaped sheet, and one edge 5a along the longitudinal direction is located on the skin contact surface side of the absorber 4, and the other edge 5b is located on the non-skin contact surface side of the absorber 4. It is arranged to be located in. The second leak-proof sheets 5 and 5 do not exist at the central portion in the longitudinal direction on the non-skin contact surface side of the absorber 4. That is, the edge portions 5b, 5b located on the non-skin contact surface side of the second second leakage prevention sheets 5, 5 are separated from each other. Further, the second leak-proof sheet 5 is disposed between the absorber 4 and the topsheet 2 on the side 4a of the absorber 4.
【００１２】吸収体４の非肌当接面側に存する、第２防
漏シート５，５が存在しない部分の幅、即ち、第２防漏
シート５，５の非肌当接面側に位置された縁部５ｂ，５
ｂ同士間の幅Ｗ１（図２参照）は、生理用ナプキン１の
防漏性及び透湿度を向上させる観点から、１０〜８０ｍ
ｍであることが好ましく、特に２０〜８０ｍｍであるこ
とが好ましい。また、両縁部５ｂ，５ｂ同士は、生理用
ナプキン１の長手方向の両端部の接合部１１、即ち、表
面シート２と第１防漏シート３との接合部１１において
も離間されている。The width of the portion of the absorber 4 on the non-skin contact surface side where the second leak-proof sheets 5 and 5 are not present, that is, the position on the non-skin contact surface side of the second leak-proof sheets 5 and 5 Edge 5b, 5
The width W1 between b (see FIG. 2) is 10 to 80 m from the viewpoint of improving the leakproofness and moisture permeability of the sanitary napkin 1.
m, particularly preferably 20 to 80 mm. Further, both edges 5b, 5b are separated from each other at a joint 11 at both ends in the longitudinal direction of the sanitary napkin 1, that is, a joint 11 between the topsheet 2 and the first leak-proof sheet 3.
【００１３】第２防漏シート５，５の肌当接面側に位置
された縁部５ａ，５ａ同士間も離間されており、液を吸
収する液吸収面を確保する観点から、該両縁部５ａ，５
ａ同士間の幅Ｗ２（図２参照）は、２０〜８０ｍｍ、特
に３０〜８０ｍｍであることが好ましい。また、生理用
ナプキン１の防漏性及び透湿度を向上させる観点から、
生理用ナプキン１の左右両側端間の幅Ｗ３（図２参照）
に対して前記幅Ｗ１は、２０〜９０％であること好まし
く、防漏性及び液吸収性を向上させる観点から、生理用
ナプキン１の左右両側端同士間の幅Ｗ３に対して前記幅
Ｗ２は、３０〜９０％であること好ましい。The edges 5a, 5a located on the skin contact surface side of the second leak-proof sheets 5, 5 are also separated from each other, and from the viewpoint of securing a liquid absorbing surface for absorbing the liquid, the two edges are separated from each other. Parts 5a, 5
The width W2 between a (see FIG. 2) is preferably 20 to 80 mm, particularly preferably 30 to 80 mm. Further, from the viewpoint of improving the leakproofness and moisture permeability of the sanitary napkin 1,
Width W3 between the left and right ends of the sanitary napkin 1 (see FIG. 2)
In contrast, the width W1 is preferably 20 to 90%, and from the viewpoint of improving leakage prevention and liquid absorption, the width W2 is greater than the width W3 between the left and right ends of the sanitary napkin 1. , 30 to 90%.
【００１４】第２防漏シート５は、吸収体４の肌当接面
側において、表面シート２と接合されている。より具体
的には、生理用ナプキン１の肌当接面側には、エンボス
加工により、液拡散防止用の溝部６，６が形成されてお
り、第２防漏シート５は、該溝部６，６を形成するため
のエンボス加工により、表面シート２及び吸収体４と接
合され、これらと一体化されている。第２防漏シート５
が、吸収体４の肌当接面側において、表面シート２と接
合されているため、表面シート２を透過した液が、該表
面シート２と第２防漏シート５との間を通って、生理用
ナプキン１の側部から漏れることが防止される。また、
第２防漏シート５が、前記溝部６，６を形成するための
エンボス加工により、表面シート２及び吸収体４と接合
一体化されているため、吸収された液が吸収体内で拡散
しても、エンボス加工部で吸収体両側部への液の拡がり
を抑制することが可能である。更に多量の液を吸収し、
エンボス加工部よりも側部に拡がることがあっても、第
２防漏シートにより生理用ナプキンの側部からの漏れを
防止できる。The second leak-proof sheet 5 is joined to the top sheet 2 on the side of the absorbent body 4 which is in contact with the skin. More specifically, grooves 6 and 6 for preventing liquid diffusion are formed by embossing on the skin contact surface side of the sanitary napkin 1, and the second leak-proof sheet 5 is provided with the grooves 6 and 6. 6 is joined to the topsheet 2 and the absorber 4 by embossing for forming the same, and is integrated therewith. Second leak-proof sheet 5
Is bonded to the topsheet 2 on the skin contact surface side of the absorber 4, so that the liquid permeating through the topsheet 2 passes between the topsheet 2 and the second leak-proof sheet 5, Leakage from the side of the sanitary napkin 1 is prevented. Also,
Since the second leak-proof sheet 5 is joined and integrated with the topsheet 2 and the absorber 4 by embossing for forming the grooves 6, 6, even if the absorbed liquid diffuses in the absorber. Further, it is possible to suppress the spread of the liquid to both sides of the absorber by the embossed portion. Absorbs more liquid,
Even if it spreads more to the side than the embossed portion, the second leakproof sheet can prevent the sanitary napkin from leaking from the side.
【００１５】第２防漏シート５は、吸収体４の非肌当接
面側において、第１防漏シート３と接合されている。よ
り具体的には、第２防漏シート５は、吸収体４の両側部
の非肌当接面側において接着剤７１を介して表面シート
２に接合され、更に表面シート２が第１防漏シート３に
接着剤７１を介して接合されている。即ち、第２防漏シ
ート５は、表面シート２を介在させて第１防漏シート３
と接合されている。本ナプキン１においては、第２防漏
シート５が、吸収体４の非肌当接面側において、第１防
漏シートと接合されているため、吸収体４が多量の液を
吸収した場合や生理用ナプキン１が大きく変形された場
合等においても、吸収体４に保持された液が、生理用ナ
プキン１の側部から漏れることを阻止できる。The second leak-proof sheet 5 is joined to the first leak-proof sheet 3 on the non-skin contact surface side of the absorber 4. More specifically, the second leakproof sheet 5 is joined to the topsheet 2 via an adhesive 71 on the non-skin contact surfaces on both sides of the absorber 4, and the first leakproof sheet 5 is further bonded to the first leakproof sheet. It is joined to the sheet 3 via an adhesive 71. That is, the second leak-proof sheet 5 is provided with the first leak-proof sheet 3
And is joined. In the present napkin 1, the second leak-proof sheet 5 is bonded to the first leak-proof sheet on the non-skin contact surface side of the absorber 4, so that the absorber 4 absorbs a large amount of liquid. Even when the sanitary napkin 1 is greatly deformed, it is possible to prevent the liquid held by the absorbent body 4 from leaking from the side of the sanitary napkin 1.
【００１６】また、第２防漏シート５は、吸収体４の非
肌当接面側の面にも接合されている。即ち、第２防漏シ
ート５，５は、その一方の縁部５ｂ，５ｂにおいて、接
着剤７２を介して吸収体４の非肌当接面側に接合されて
いる。これにより、生理用ナプキン１の側部からの液漏
れが更に効果的に防止される。The second leak-proof sheet 5 is also joined to the surface of the absorber 4 on the non-skin contact surface side. That is, the second leak-proof sheets 5, 5 are joined to the non-skin contact surface side of the absorber 4 via the adhesive 72 at one edge portions 5 b, 5 b. As a result, liquid leakage from the side of the sanitary napkin 1 is more effectively prevented.
【００１７】第２防漏シート５は、液不透過性であれ
ば、その材質等に特に制限はなく、従来の生理用ナプキ
ンにおいて防漏シートとして使用されている各種のシー
トを用いることができる。また、第２防漏シート５は、
通気性を有することが好ましく、斯かる通気性シートと
しては、第１防漏シート３に用い得るものとして上記し
た多孔性フィルム等が挙げられる。また、吸収体４，表
面シート２、接着剤７１，７２等としては、吸収性物品
に従来使用されているものを特に制限なく使用すること
ができる。The material of the second leak-proof sheet 5 is not particularly limited as long as it is liquid-impermeable, and various sheets used as leak-proof sheets in conventional sanitary napkins can be used. . The second leak-proof sheet 5 is
It is preferable to have air permeability, and as such an air permeable sheet, the above-mentioned porous film etc. which can be used for the first leak-proof sheet 3 can be mentioned. Further, as the absorber 4, the topsheet 2, the adhesives 71, 72, etc., those conventionally used for absorbent articles can be used without any particular limitation.
【００１８】本実施形態の生理用ナプキン１は、従来の
生理用ナプキンと同様にショーツ等の着衣に固定して使
用することができる。そして、生理用ナプキン１によれ
ば、第１防漏シート３が通気性を有しているため、吸収
体４に吸収された液から発生する水蒸気が、吸収性物品
の外に排出され、着装内の湿度の上昇が防止される。こ
れにより、濡れ感、ムレ感を無くすことができ、快適な
装着感が得られる。また、第２防漏シート５が所定の箇
所に所定の態様で配されているため、吸収体４が多量の
液を吸収した場合や生理用ナプキン１が大きく変形され
た場合等においても、吸収体４に保持された液が、生理
用ナプキン１の側部から漏れることがない。The sanitary napkin 1 of the present embodiment can be used by being fixed to a garment such as shorts like a conventional sanitary napkin. According to the sanitary napkin 1, since the first leak-proof sheet 3 has air permeability, water vapor generated from the liquid absorbed by the absorber 4 is discharged to the outside of the absorbent article, and is worn. The rise of humidity in the inside is prevented. Thereby, a feeling of wetting and a feeling of stuffiness can be eliminated, and a comfortable feeling of wearing can be obtained. In addition, since the second leak-proof sheet 5 is arranged at a predetermined location in a predetermined manner, even when the absorbent body 4 absorbs a large amount of liquid, or when the sanitary napkin 1 is greatly deformed, etc. The liquid held by the body 4 does not leak from the side of the sanitary napkin 1.
【００１９】また、吸収体４の非肌当接面側における長
手方向の中央部に、第２防漏シート５，５が存在してい
ないため、第２防漏シート５として通気性を有しないシ
ートを用いた場合であっても、着装内の湿度の上昇を抑
制することができる。また、両第２防漏シート５，５の
両縁部５ｂ，５ｂ同士が、生理用ナプキン１の長手方向
の両端部の接合部１１においても離間しているため、生
理用ナプキン１の長手方向の両端部の接合部１１が柔軟
であり、装着感に優れている。尚、生理用ナプキン１に
おいては、肌当接面における液拡散防止用の溝部６，６
の内側に更に防漏溝８が形成されており、そのため、吸
収した液の拡散を生理用ナプキン１の中央部にて抑制す
ることができ、側部のみならず長手方向前後への液の拡
がりを防止することができる。The second leak-proof sheet 5 does not have air permeability because the second leak-proof sheet 5 does not exist at the longitudinal center portion of the non-skin contact surface side of the absorber 4. Even when a sheet is used, it is possible to suppress an increase in humidity in the clothes. In addition, since both edges 5b, 5b of both the second leak-proof sheets 5, 5 are separated from each other at the joints 11 at both ends in the longitudinal direction of the sanitary napkin 1, the longitudinal direction of the sanitary napkin 1 is also provided. Are flexible at the joints 11 at both ends, and are excellent in a feeling of wearing. In the sanitary napkin 1, grooves 6 and 6 for preventing liquid diffusion on the skin contact surface.
Is further formed inside the sanitary napkin 1, so that the diffusion of the absorbed liquid can be suppressed at the central portion of the sanitary napkin 1, and the liquid spreads not only in the side portions but also in the longitudinal direction. Can be prevented.
【００２０】図３に本発明の他の実施形態としての生理
用ナプキン１’を示した。図３の生理用ナプキン１’に
おける基本的な構成は、上述したナプキン１におけるの
と同様である。そのため、ナプキン１とは異なる部分に
ついて特に説明し、同様の部分については、同一の符号
を付してその詳細な説明を省略する。従って、特に説明
しない部分については、生理用ナプキン１に関して上記
した説明が適宜適用される。FIG. 3 shows a sanitary napkin 1 'as another embodiment of the present invention. The basic configuration of the sanitary napkin 1 'of FIG. 3 is the same as that of the napkin 1 described above. Therefore, parts different from the napkin 1 will be particularly described, and similar parts will be denoted by the same reference numerals and detailed description thereof will be omitted. Therefore, for the parts that are not particularly described, the above description regarding the sanitary napkin 1 is appropriately applied.
【００２１】本実施形態の生理用ナプキン１’は、吸収
体４よりも大きい外形寸法を有する表面シート２及び第
１防漏シート３が、その長手方向の両側縁部及び両端部
において吸収体４の縁部よりも外方に延出しており、そ
の延出部分において両シート２，３が互いに接合され、
吸収体４の周囲に環状の接合部７３が形成されている。
そして、第２防漏シート５の長手方向に沿う一方の縁部
５ａは、吸収体４の肌当接面側に配され、他方の縁部５
ｂは、吸収体４の非肌当接面側において吸収体４の両側
部４ａの外方に延出し、その延出部分において表面シー
ト２と第１防漏シート３との間に一体的に固定されてい
る。尚、吸収体４の非肌当接面側には、吸収体４の側部
よりも外方も含まれる。In the sanitary napkin 1 'of this embodiment, the topsheet 2 and the first leak-proof sheet 3 having outer dimensions larger than that of the absorber 4 are provided on both side edges and both ends in the longitudinal direction thereof. And the two sheets 2 and 3 are joined to each other at the extended portion,
An annular joint 73 is formed around the absorber 4.
One edge 5a along the longitudinal direction of the second leak-proof sheet 5 is arranged on the skin contact surface side of the absorber 4 and the other edge 5a.
b extends outwardly on both sides 4a of the absorber 4 on the non-skin contact surface side of the absorber 4, and integrally extends between the topsheet 2 and the first leak-proof sheet 3 at the extended portion. Fixed. Note that the non-skin contact surface side of the absorber 4 includes a portion outside the side portion of the absorber 4.
【００２２】本実施形態の生理用ナプキン１’によれ
ば、上述したナプキン１と同様に、第１防漏シート３が
通気性を有しており、液不透過性の第２防漏シート５が
吸収体４の両側部に配されているため、着装内の湿度の
上昇が防止され、また、吸収体に保持された液が側部か
ら漏れることがない。また、生理用ナプキン１と同様の
構成を有するため、ナプキン１と同様の作用効果が奏し
得られる。According to the sanitary napkin 1 'of this embodiment, the first leak-proof sheet 3 has air permeability and the liquid-impermeable second leak-proof sheet 5 like the napkin 1 described above. Are arranged on both sides of the absorber 4, so that the humidity inside the clothes is prevented from rising, and the liquid held by the absorber does not leak from the side. In addition, since it has the same configuration as the sanitary napkin 1, the same operation and effect as the napkin 1 can be obtained.
【００２３】尚、第２防漏シート５，５は、生理用ナプ
キンの長手方向の両端部において、その両縁部５ｂ，５
ｂ同士が積層等されていても良い。また、本発明は、生
理用ナプキンの他、使い捨ておむつ、失禁パッド、パン
ティライナー、ペット用シート等にも適用することもで
きる。The second leak-proof sheets 5, 5 are provided at both ends 5b, 5 at both longitudinal ends of the sanitary napkin.
b may be laminated or the like. Further, the present invention can be applied to disposable diapers, incontinence pads, panty liners, pet sheets, and the like, in addition to sanitary napkins.
【００２４】[0024]
【発明の効果】本発明によれば、吸収した液の液漏れ防
止機能と透湿機能とが両立された吸収性物品が提供され
る。According to the present invention, there is provided an absorbent article having both a function of preventing leakage of absorbed liquid and a function of moisture permeability.
【図１】本発明の吸収性物品の一実施形態としての生理
用ナプキンを示す一部斜視図である。FIG. 1 is a partial perspective view showing a sanitary napkin as one embodiment of an absorbent article according to the present invention.
【図２】図１のＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】本発明の吸収性物品の他の実施形態としての生
理用ナプキンを示す断面図（図２に相当する図）であ
る。FIG. 3 is a cross-sectional view (a view corresponding to FIG. 2) showing a sanitary napkin as another embodiment of the absorbent article of the present invention.
１，１’生理用ナプキン ２ 表面シート ３ 第１防漏シート ４ 吸収体 ５ 第２防漏シート ６ 溝部（表面シートと第１防漏シートとの接合部） 1, 1 'sanitary napkin 2 topsheet 3 first leakproof sheet 4 absorber 5 second leakproof sheet 6 groove (joint between topsheet and first leakproof sheet)
───────────────────────────────────────────────────── フロントページの続き (72)発明者 滝田 浩美 栃木県芳賀郡市貝町赤羽2606 花王株式会 社研究所内 (72)発明者 濱島 美次 栃木県芳賀郡市貝町赤羽2606 花王株式会 社研究所内 (72)発明者 中西 稔 栃木県芳賀郡市貝町赤羽2606 花王株式会 社研究所内 Ｆターム(参考） 3B029 BA02 BA03 BB03 BB05 BC02 BC03 BC06 BC07 BD15 BD17 4C003 CA01 HA00 HA05 4C098 AA09 CC10 CC14 CE06 DD01 DD03 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hiromi Takita 2606 Kabane-cho, Akaga-cho, Haga-gun, Tochigi Pref. In the Kao Co., Ltd. (72) Inventor Minoru Nakanishi 2606 Kabanecho, Haga-gun, Tochigi Pref.
Claims (5)
１防漏シート、及び両シート間に介在された液保持性の
吸収体を備えた実質的に縦長の吸収性物品において、 前記第１防漏シートは、通気性を有しており、 前記吸収体の長手方向の両側部に左右一対の液不透過性
の第２防漏シートが配されており、 前記吸収体の非肌当接面側における長手方向の少なくと
も中央部には、前記第２防漏シートが存在していないこ
とを特徴とする吸収性物品。1. A substantially vertically absorbent article comprising a liquid-permeable topsheet, a liquid-impermeable first leakproof sheet, and a liquid-retentive absorber interposed between the two sheets. The first leak-proof sheet has air permeability, and a pair of left and right liquid-impermeable second leak-proof sheets is disposed on both sides in the longitudinal direction of the absorber. An absorbent article characterized in that the second leak-proof sheet does not exist at least at the center in the longitudinal direction on the skin contact surface side.
表面シートと前記第２防漏シートとが接合されている請
求項１に記載の吸収性物品。2. The absorbent article according to claim 1, wherein the topsheet and the second leak-proof sheet are joined on the skin contact surface side of the absorber.
記第１防漏シートと前記第２防漏シートとが接合されて
いる請求項１又は２記載の吸収性物品。3. The absorbent article according to claim 1, wherein the first leak-proof sheet and the second leak-proof sheet are joined on the non-skin contact surface side of the absorber.
表面シート、前記第２防漏シート及び前記吸収体が、エ
ンボス加工により接合され一体化されている請求項２又
は３記載の吸収性物品。4. The absorption according to claim 2, wherein the topsheet, the second leak-proof sheet and the absorber are joined and integrated by embossing on the skin contact surface side of the absorber. Products.
沿う一方の縁部が、前記吸収体の肌当接面側において該
吸収体と前記表面シートとの間に位置し、他方の縁部
が、該吸収体の非肌当接面側において該吸収体と前記第
１防漏シートとの間に位置するように、配されている請
求項１〜４の何れかに記載の吸収性物品。5. The second leak-proof sheet has one edge along the longitudinal direction positioned between the absorber and the topsheet on the skin contact surface side of the absorber, and The absorption according to any one of claims 1 to 4, wherein the edge portion is arranged so as to be located between the absorber and the first leak-proof sheet on the non-skin contact surface side of the absorber. Products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21433499A JP3856990B2 (en) | 1999-07-28 | 1999-07-28 | Absorbent articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21433499A JP3856990B2 (en) | 1999-07-28 | 1999-07-28 | Absorbent articles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001037810A true JP2001037810A (en) | 2001-02-13 |
| JP3856990B2 JP3856990B2 (en) | 2006-12-13 |
Family
ID=16654048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21433499A Expired - Fee Related JP3856990B2 (en) | 1999-07-28 | 1999-07-28 | Absorbent articles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3856990B2 (en) |
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