JP2000288025A - Absorptive article - Google Patents

Absorptive article

Info

Publication number
JP2000288025A
JP2000288025A JP11100638A JP10063899A JP2000288025A JP 2000288025 A JP2000288025 A JP 2000288025A JP 11100638 A JP11100638 A JP 11100638A JP 10063899 A JP10063899 A JP 10063899A JP 2000288025 A JP2000288025 A JP 2000288025A
Authority
JP
Japan
Prior art keywords
absorbent article
elastic member
liquid
sheet
sanitary napkin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP11100638A
Other languages
Japanese (ja)
Other versions
JP4208338B2 (en
Inventor
Atsushi Murai
淳 村井
Hironori Kawasaki
宏典 河崎
Hiromi Takita
浩美 滝田
Yasuhiro Yamamoto
耕裕 山本
Yoshiji Hamashima
美次 濱島
Minoru Nakanishi
稔 中西
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kao Corp
Original Assignee
Kao Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kao Corp filed Critical Kao Corp
Priority to JP10063899A priority Critical patent/JP4208338B2/en
Publication of JP2000288025A publication Critical patent/JP2000288025A/en
Application granted granted Critical
Publication of JP4208338B2 publication Critical patent/JP4208338B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an absorptive article with which an excellent property to prevent leakage is exhibited and a good wearing feel may be obtained. SOLUTION: This absorptive article has a front surface sheet 2 as a front surface as a liquid permeable front surface layer forming a skin abutment surface, a rear surface sheet as a liquid impermeable rear surface sheet and an absorber as a liquid holdable absorber interposed between the front surface sheet 2 and the rear surface, and has a substantially longitudinally long shape. A plurality of cord-like elastic members 5 (5a, 5b) are arranged respectively on both right and left sides in the state of stretching these members toward the longitudinal direction of a sanitary napkin 1. Three-dimensional forms U of the projecting curvilinear surface shape which crown to the skin abutment surface are formed by the shrinkage force of the elastic members 5 (5a, 5b).

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、フィット性に優
れ、漏れ防止性に優れた生理用ナプキン等の吸収性物品
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an absorbent article such as a sanitary napkin excellent in fitting property and leak preventing property.

【０００２】[0002]

【従来の技術及び発明が解決しようとする課題】一般
に、生理用ナプキンや失禁パッド、母乳パッド等の吸収
性物品として、肌当接面を形成する液透過性の表面層、
液不透過性の裏面層、及び該表面層と該裏面層との間に
介在された液保持性の吸収層を有する実質的に縦長の吸
収性物品はよく知られている。この様な吸収性物品は、
血液、尿等の体液を漏れなく吸収・保持させることが要
求される。2. Description of the Related Art In general, a liquid-permeable surface layer forming a skin contact surface is used as an absorbent article such as a sanitary napkin, an incontinence pad, or a breast milk pad.
Substantially elongated absorbent articles having a liquid impermeable back layer and a liquid retaining absorbent layer interposed between the surface layer and the back layer are well known. Such absorbent articles are
It is required that body fluids such as blood and urine be absorbed and retained without leakage.

【０００３】体液を漏れなく吸収・保持させるための技
術としては、従来より、吸収性物品の両側部に装着者側
に突出する防漏部を形成させる技術が知られている。こ
の様な防漏部を形成させる技術としては、吸収層の側外
方において表面層である表面シートに吸収性物品の長手
方向に弾性部材を固定して、該表面シートを裏面層とし
ての裏面シートから断面山形に起立させる技術（特開平
１−２１３４０２号）や、吸収体の周囲において起立す
るシート状のバリアカフスと、該バリアカフスの更に外
方に配置されるガスケットカフスとを設ける技術（特開
昭６２−２５０２０１号）、弾性片（合成樹脂フィル
ム）を肌当接面の両側縁部に伸張させた状態で配置しそ
の両端を固定させて、伸縮により弾性片の中央部を起立
させる技術（特開平８−１１７２７３号）等がある。ま
た、特開平５−３４５００１号公報、特開平７−１６３
６２０号公報及び特開平７−１１２００７号公報には、
吸収性物品の左右両側縁から外方に延出されるように配
されたシート材に複数のひも状の弾性部材が配されて、
吸収性物品の上方に起立される一対の防漏壁が形成され
た吸収性物品が提案されている。[0003] As a technique for absorbing and retaining body fluids without leakage, a technique for forming a leak-proof portion projecting toward the wearer on both sides of an absorbent article has been known. As a technique for forming such a leak-proof part, an elastic member is fixed in the longitudinal direction of the absorbent article to a surface sheet which is a surface layer on the outer side of the absorbent layer, and the surface sheet is used as a back layer as a back layer. A technique of erecting a cross section from a sheet into a mountain shape (Japanese Patent Laid-Open No. Hei 1-213402), a technique of providing a sheet-like barrier cuff standing up around an absorber, and a gasket cuff disposed further outside the barrier cuff ( Japanese Patent Application Laid-Open No. 62-250201), elastic pieces (synthetic resin film) are arranged in a state of being stretched on both side edges of the skin contact surface, and both ends are fixed, and the center of the elastic pieces is erected by expansion and contraction. Technology (JP-A-8-117273). Also, JP-A-5-345001, JP-A-7-163
620 and JP-A-7-112007,
A plurality of string-like elastic members are arranged on a sheet material arranged to extend outward from the left and right side edges of the absorbent article,
There has been proposed an absorbent article having a pair of leak-proof walls formed upright above the absorbent article.

【０００４】しかし、上述の各提案に係る吸収性物品で
は、上記の従来技術における防漏部では、漏れ防止効果
と違和感のない良好な装着感の両方を満足することはで
きない。[0004] However, in the absorbent articles according to the above proposals, the leak preventer in the above-mentioned conventional technology cannot satisfy both the leak prevention effect and the good wearing feeling without a sense of discomfort.

【０００５】従って、本発明の目的は、優れた防漏性が
発揮され、良好な装着感を得ることのできる吸収性物品
を提供することにある。[0005] Accordingly, an object of the present invention is to provide an absorbent article which exhibits excellent leakproofness and can provide a good feeling of wearing.

【０００６】[0006]

【課題を解決するための手段】本発明は、肌当接面を形
成する液透過性の表面層、液不透過性の裏面層、及び該
表面層と該裏面層との間に介在された液保持性の吸収層
を有する実質的に縦長の吸収性物品において、吸収性物
品の左右両側には、それぞれ、複数本のひも状の弾性部
材が、吸収性物品の長手方向に向けて伸長された状態で
配設されており、該弾性部材の収縮により肌当接面側に
凸の凸曲面形状の立体形態が形成されている吸収性物品
を提供することにより、上記目的を達成したものであ
る。According to the present invention, there is provided a liquid-permeable surface layer for forming a skin contact surface, a liquid-impermeable back layer, and an intervening layer between the surface layer and the back layer. In a substantially vertically absorbent article having a liquid-retaining absorbent layer, a plurality of string-like elastic members are respectively extended on the left and right sides of the absorbent article in the longitudinal direction of the absorbent article. The above object has been achieved by providing an absorbent article in which a three-dimensional form of a convex curved surface shape is formed on the skin contact surface side by contraction of the elastic member. is there.

【０００７】[0007]

【発明の実施の形態】以下、本発明の吸収性物品の好ま
しい一実施形態について説明する。本実施形態の吸収性
物品としての生理用ナプキン１は、図１〜３に示すよう
に、肌当接面を形成する液透過性の表面層としての表面
シート２、液不透過性の裏面層としての裏面シート３、
及び該表面シート２と該裏面シート３との間に介在され
た液保持性の吸収層としての吸収体４を有し、実質的に
縦長の形状をしている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the absorbent article of the present invention will be described. The sanitary napkin 1 as the absorbent article according to the present embodiment has a surface sheet 2 as a liquid-permeable surface layer forming a skin contact surface, and a liquid-impermeable back layer, as shown in FIGS. Back sheet 3, as
And an absorber 4 as a liquid-retaining absorbing layer interposed between the topsheet 2 and the backsheet 3 and has a substantially vertically long shape.

【０００８】而して、本実施形態の生理用ナプキン１
は、図１〜３に示すように、該生理用ナプキン１の左右
両側１ａ、１ｂには、それぞれ、複数本のひも状の弾性
部材５（５ａ、５ｂ）が、生理用ナプキン１の長手方向
に向けて伸長された状態で配設されて、該弾性部材５
（５ａ、５ｂ）の収縮力により、肌当接面１１側に凸の
凸曲面形状の立体形態Ｕが形成されている。ここで「ひ
も状」とは、糸状のものや細長にスリットしてなるフィ
ルム等を含む意であり、具体的には好ましくは幅１０ｍ
ｍ以下のものであればよい。Thus, the sanitary napkin 1 of the present embodiment
As shown in FIGS. 1 to 3, a plurality of string-shaped elastic members 5 (5a, 5b) are provided on the left and right sides 1a, 1b of the sanitary napkin 1, respectively, in the longitudinal direction of the sanitary napkin 1. The elastic member 5 is disposed in a state of being extended toward
Due to the contraction force of (5a, 5b), a three-dimensional form U of a convex curved surface shape is formed on the skin contact surface 11 side. Here, the term "string-like" is intended to include a thread-like thing, a film slit into an elongated shape, and the like.
m or less.

【０００９】更に詳述すると、本実施形態においては、
吸収体４は、ほぼ長方形状の下方吸収体４ａと該下方吸
収体４ａ上の中央部に載置された略楕円形状の上方吸収
体４ｂとからなる。表面シート２は、吸収体４の表面
側、側面及び下面の左右両側部を覆って配されている。
裏面シート３は、吸収体４の下面を覆って且つ該吸収体
の側縁よりも外方に向けて延出されている。弾性部材５
は、表面層としての表面シート２上に配された弾性部材
付設用の帯状のシート材６に等間隔で３本配されてお
り、それぞれシート材６の長手方向全域に亘って配され
ている。なお、「表面シート２上」とは、表面シート２
の上方の意であり、本実施形態のように、シート材６の
一部でも表面シート２の上方に位置すればよい。More specifically, in the present embodiment,
The absorber 4 includes a lower absorber 4a having a substantially rectangular shape, and an upper absorber 4b having a substantially elliptical shape placed at the center of the lower absorber 4a. The topsheet 2 is disposed so as to cover both left and right sides of the front surface, side surfaces and lower surface of the absorber 4.
The back sheet 3 covers the lower surface of the absorber 4 and extends outward from side edges of the absorber. Elastic member 5
Are arranged at equal intervals on a band-shaped sheet material 6 for attaching an elastic member disposed on the top sheet 2 as a surface layer, and are respectively distributed over the entire longitudinal direction of the sheet material 6. . In addition, "on top sheet 2" means top sheet 2
In this embodiment, a part of the sheet material 6 may be positioned above the top sheet 2 as in the present embodiment.

【００１０】シート材６は、生理用ナプキン１の左右両
側縁部において生理用ナプキン１の長手方向全域に亘っ
て配されており、１側縁６ａは、裏面シート３に接合・
固定されており、他側縁６ｂは、表面シートに接合・固
定されている。また、両端縁は、それぞれ裏面シート３
及び表面シートに接合・固定されている。即ち、シート
材６は、その周縁、即ち両側縁６ａ、６ｂ及び両端縁
は、固定されているが、その他の部分は何れにも固定さ
れておらず、自由状態とされている。そして、立体形態
Ｕにおいて裏面層を形成する裏面シート３の上方には、
裏面シート３及びシート材６に囲まれた空隙９が形成さ
れている。また本実施形態の生理用ナプキン１では、長
手方向の中央部の肌当接面に生理用ナプキン１の長手方
向に沿う一対の線状の溝７，７が、エンボス加工により
形成されている。溝７，７により、シート材６は、表面
シート２に固着されている。即ち、溝７，７は、シート
材６の表面に設けられていると共に、表面シート２及び
吸収体４の表面側にも設けられている。また、生理用ナ
プキン１の内方に向けて凸となるように湾曲されてい
る。The sheet material 6 is disposed on the left and right side edges of the sanitary napkin 1 over the entire area in the longitudinal direction of the sanitary napkin 1. One side edge 6 a is joined to the back sheet 3.
The other side edge 6b is fixed and joined to the topsheet. Also, both end edges are respectively the back sheet 3
And bonded and fixed to the topsheet. That is, the peripheral edge of the sheet material 6, that is, both side edges 6a and 6b and both end edges are fixed, but other portions are not fixed to any of them and are in a free state. And, above the back sheet 3 forming the back layer in the three-dimensional form U,
A gap 9 surrounded by the back sheet 3 and the sheet material 6 is formed. Further, in the sanitary napkin 1 of the present embodiment, a pair of linear grooves 7, 7 along the longitudinal direction of the sanitary napkin 1 are formed on the skin contact surface at the central portion in the longitudinal direction by embossing. The sheet material 6 is fixed to the topsheet 2 by the grooves 7,7. That is, the grooves 7, 7 are provided on the surface of the sheet material 6 and also on the surface of the top sheet 2 and the absorber 4. Moreover, it is curved so that it may become convex toward the inside of the sanitary napkin 1.

【００１１】複数の弾性部材５のうち、幅方向中央部に
配された伸張された状態の弾性部材５ａの収縮力は、左
右両側に配された伸長された状態の弾性部材５ｂの収縮
力よりも高くなされているのが、良好な立体形態Ｕを付
与する点で好ましい。このように収縮力の差を設けるに
は、中央部と両側とを同じ弾性材料を用いた場合には、
伸張率若しくは弾性材料を配する間隔を変えればよく、
また、異なる弾性部材を用いた場合には、中央部に配す
る弾性材料を弾性率等の弾性物性の良いものを用いれば
よい。また、この差は、後述する高さが保たれる程度と
するのが好ましいが、特に制限されない。Among the plurality of elastic members 5, the contracted force of the extended elastic member 5a disposed at the center in the width direction is smaller than the contracted force of the extended elastic member 5b disposed on the left and right sides. Is preferable in that a good three-dimensional form U is imparted. In order to provide a difference in contraction force as described above, when the same elastic material is used for the central portion and both sides,
What is necessary is just to change the extension rate or the interval at which the elastic material is arranged,
When different elastic members are used, an elastic material disposed at the center may be one having good elastic physical properties such as an elastic modulus. Further, this difference is preferably set to such an extent that the height described later is maintained, but is not particularly limited.

【００１２】また、立体形態Ｕの高さｈは、１〜１５ｍ
ｍが好ましく、２〜１０ｍｍがより好ましい。高さを１
ｍｍ以上とすることにより、側部のフィット性が高くな
り、１５ｍｍ以下とすることにより、違和感が生じず、
装着感が低下することがないので、好ましい。The height h of the three-dimensional form U is 1 to 15 m.
m is preferable and 2 to 10 mm is more preferable. Height 1
mm or more, the fit of the side part becomes high, and by setting it to 15 mm or less, uncomfortable feeling does not occur,
This is preferable because the wearing feeling is not reduced.

【００１３】立体形態Ｕを形成する部位の幅（本実施形
態においてはシート材６の幅とほぼ同じである）ｗ１の
生理用ナプキン１の幅Ｗに対する比（ｗ１／Ｗ）は、
０．１〜０．４とするのが好ましい。The ratio (w1 / W) of the width w1 of the portion forming the three-dimensional form U (which is substantially the same as the width of the sheet material 6 in this embodiment) to the width W of the sanitary napkin 1 is as follows.
It is preferably 0.1 to 0.4.

【００１４】生理用ナプキン１は、該生理用ナプキン１
の長手方向において、肌当接面１１側に凹状に湾曲した
形状を有する。具体的には、良好フィット性を得る点
で、生理用ナプキンの長手方向における肌当接面側に凹
状に湾曲する湾曲率としては、曲率半径ｒ（図３参照）
が５０〜３００ｍｍであることが好ましく、１００〜２
００ｍｍであることがより好ましい。The sanitary napkin 1 is a sanitary napkin 1.
Has a shape curved concavely toward the skin contact surface 11 side in the longitudinal direction. Specifically, in order to obtain a good fit, the curvature radius concavely curved toward the skin contact surface side in the longitudinal direction of the sanitary napkin is a curvature radius r (see FIG. 3).
Is preferably 50 to 300 mm, and 100 to 2 mm.
More preferably, it is 00 mm.

【００１５】このように好ましい曲率半径ｒ及び幅方向
の凸面形状の高さｈを得ることは、伸縮性材料の伸縮物
性、伸縮率及び伸縮材料の幅方向の固定点１５ｂ，１５
ｃに関係する。As described above, obtaining the preferable radius of curvature r and the height h of the convex shape in the width direction depends on the stretch properties of the stretch material, the stretch ratio, and the fixed points 15b and 15 in the width direction of the stretch material.
c.

【００１６】次に、本実施形態の生理用ナプキン１を構
成する各部材の形成材料について説明する。上記表面シ
ート２、上記裏面シート３及び上記吸収体４の形成材料
としては、従来公知の生理用ナプキンに用いられるもの
を特に制限なく用いることができる。また、上記シート
材６としては、下記するシート材料等が用いられる。ポ
リエチレン（ＰＥ）、ポリプロピレン（ＰＰ）、ポリエ
ステル、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からなる湿式もしくは
乾式不織布、及びポリエチレン、ポリプロピレン等のフ
ィルム材料やフィルム材料を開孔した開孔フィルム等が
用いられる。肌触り等の点では、メルトブローン不織
布、サクションヒードボンド不織布、スパンボンド不織
布等の乾式不織布が好ましく、防漏性を高めるために撥
水性であることが望ましい。上記弾性部材５としては、
細長く、伸び縮みする材料であればよく、天然ゴム（糸
状ゴム、平ゴム等）、熱可塑性エラストマー〔ウレタ
ン、エチレン−酢酸ビニル共重合体（ＥＶＡ）、ＰＥ
等〕、更に具体的には、ポリブタジエン、ポリイソプレ
ン、スチレン−ブタジエン共重合体、スチレン−イソプ
レン共重合体、ポリウレタン、エチレン−酢酸ビニル共
重合体、エチレン−αオレフィン共重合体等を糸状に成
形するか又はフィルムに成型し細幅にスリットしたもの
が挙げられる。Next, materials for forming the members constituting the sanitary napkin 1 of the present embodiment will be described. As the material for forming the top sheet 2, the back sheet 3, and the absorber 4, those used for conventionally known sanitary napkins can be used without particular limitation. Further, as the sheet material 6, the following sheet material or the like is used. Wet or dry nonwoven fabrics made of polyethylene (PE), polypropylene (PP), polyester, polyethylene-polypropylene conjugate fiber, polyethylene-polyester conjugate fiber, and film materials such as polyethylene and polypropylene, and apertured films formed by piercing film materials. Used. A dry nonwoven fabric such as a melt-blown nonwoven fabric, a suction-bonded nonwoven fabric, and a spunbonded nonwoven fabric is preferable from the viewpoint of touch, and is preferably water-repellent in order to enhance leakproofness. As the elastic member 5,
Any material may be used as long as it is slender and stretchable. Natural rubber (fiber rubber, flat rubber, etc.), thermoplastic elastomer [urethane, ethylene-vinyl acetate copolymer (EVA), PE
More specifically, polybutadiene, polyisoprene, styrene-butadiene copolymer, styrene-isoprene copolymer, polyurethane, ethylene-vinyl acetate copolymer, ethylene-α-olefin copolymer, etc. are formed into a thread shape. Or those formed into a film and slit into a narrow width.

【００１７】本実施形態の生理用ナプキン１は、通常の
生理用ナプキンと同様に使用することができる。そし
て、本実施形態の生理用ナプキン１は、上述の如く構成
されているので、立体形態Ｕが着用者の***部の側部に
良好にフィットし、漏れ防止性、特に横漏れ防止性が向
上される。また、生理用ナプキン１が、その長手方向に
おいて、肌当接面側に凹状に湾曲した形状となっている
ため、長手方向においても、身体の曲線にフィットし前
後の液漏れも効果的に防止できる。弾性部材で形成され
る凸曲面の立体形態Ｕは、着用者の足の動き（股間幅の
変動）にも、常にフィットしながら自在に変形可能であ
り、特に凸曲面の立体形態において裏面層の上方に空隙
９を有するものに関しては、着用者の動き／圧力を緩和
し、吸収体側部に圧力を伝え難く、吸収性物品が一層ヨ
レたりずれたりせず、より一層モレを効果的に防止でき
る。The sanitary napkin 1 of the present embodiment can be used in the same manner as a normal sanitary napkin. And since the sanitary napkin 1 of this embodiment is comprised as mentioned above, the three-dimensional form U fits well to the side part of the wearer's excretory part, and the leakage prevention property, especially the side leakage prevention property is improved. Is done. In addition, since the sanitary napkin 1 has a concavely curved shape on the skin contact surface side in the longitudinal direction, the sanitary napkin 1 also fits the curve of the body in the longitudinal direction and effectively prevents liquid leakage before and after. it can. The three-dimensional form U of the convex curved surface formed by the elastic member can be freely deformed while always fitting to the movement of the wearer's foot (fluctuation in the crotch width). With respect to the one having the space 9 above, the movement / pressure of the wearer is reduced, the pressure is hardly transmitted to the side of the absorber, and the absorbent article does not move or shift more, and the leakage can be more effectively prevented. .

【００１８】本実施形態の生理用ナプキンは、常法に従
って、吸収体を表面シート及び裏面シートで狭持した
後、弾性部材を張設したシート材を所定位置に接合固定
する等して得られる。The sanitary napkin of the present embodiment is obtained by, for example, holding an absorbent body between a top sheet and a back sheet, and then bonding and fixing a sheet material with an elastic member stretched to a predetermined position in a conventional manner. .

【００１９】尚、上述の実施形態の説明においては、生
理用ナプキンを例示して説明したが、本発明は、これに
制限されず、使い捨ておむつや、失禁パット等に適用で
きる。また、上記弾性部材は、上記表面層を形成する表
面シートに配することもできる。また、裏面層と吸収層
とを一体に成形することもでき、また、表面層と吸収層
とを一体に成形することもできる。また、吸収性物品
１，１’の裏面シート３側にウイングを設けることもで
きる。また、前記弾性部材が３本設けられたものを例示
して説明したが、弾性部材を配置する位置を調整すれば
弾性部材の数は２本でもよい。In the above description of the embodiment, a sanitary napkin has been described as an example. However, the present invention is not limited to this, and can be applied to disposable diapers, incontinence pads, and the like. Further, the elastic member may be provided on a top sheet forming the top layer. Further, the back layer and the absorbing layer can be formed integrally, and the surface layer and the absorbing layer can be formed integrally. Further, a wing may be provided on the back sheet 3 side of the absorbent articles 1, 1 '. In addition, although an example in which three elastic members are provided has been described, the number of elastic members may be two if the position where the elastic members are arranged is adjusted.

【００２０】[0020]

【発明の効果】本発明の吸収性物品は、優れた防漏性が
発揮され、良好な装着感が得られるものである。As described above, the absorbent article of the present invention exhibits excellent leakproofness and can provide a good wearing feeling.

【図面の簡単な説明】[Brief description of the drawings]

【図１】図１は、本発明の一実施形態としての生理用ナ
プキンを伸長させた状態を示す平面図である。FIG. 1 is a plan view showing an extended state of a sanitary napkin as one embodiment of the present invention.

【図２】図２は、弾性部材を自由状態として図１のＸ−
Ｘ線で切断した状態を示す一部切断斜視図である。FIG. 2 is a sectional view taken along the line X-X in FIG.
It is a partially cut perspective view showing the state cut by X-rays.

【図３】図３は、弾性部材を自由状態とした状態での図
１のＹ−Ｙ線断面を模式的に示す断面図である。FIG. 3 is a cross-sectional view schematically showing a cross section taken along line YY of FIG. 1 in a state where an elastic member is in a free state.

【符号の説明】[Explanation of symbols]

１ 生理用ナプキン（吸収性物品） ２ 表面シート ３ 裏面シート ４ 吸収体 ５ 弾性部材 ６ シート材 ７ 溝 DESCRIPTION OF SYMBOLS 1 Sanitary napkin (absorbent article) 2 Top sheet 3 Back sheet 4 Absorber 5 Elastic member 6 Sheet material 7 Groove

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 山本 耕裕 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 BA05 BD12 BD13 BD14 BF07 4C003 AA02 CA01 DA04 DA08 HA05 4C098 AA09 CC07 CC10 CC37 CE06 DD22 DD24 DD25 Continuing from the front page (72) Inventor Hiromi Takita 2606 Kabane-cho, Akaga-cho, Haga-gun, Tochigi Prefecture Inside the Kao Research Institute (72) Inventor Kojihiro Yamamoto 2606, Kabashi-cho Akabane, Haga-gun, Tochigi Prefecture Inside the Kao Research Institute (72) Inventor Misato Hamashima 2606 Kabane-cho, Akaga-cho, Haga-gun, Tochigi Pref. In the Kao Corporation Research Laboratory (72) Inventor Minoru Minato 2606 Kabachi-cho, Akabane-shi, Haga-gun, Tochigi Pref. BD14 BF07 4C003 AA02 CA01 DA04 DA08 HA05 4C098 AA09 CC07 CC10 CC37 CE06 DD22 DD24 DD25

Claims (5)

【特許請求の範囲】[Claims] 【請求項１】 肌当接面を形成する液透過性の表面層、
液不透過性の裏面層、及び該表面層と該裏面層との間に
介在された液保持性の吸収層を有する実質的に縦長の吸
収性物品において、 吸収性物品の左右両側には、それぞれ、複数本のひも状
の弾性部材が、吸収性物品の長手方向に向けて伸長され
た状態で配設されており、該弾性部材の収縮により肌当
接面側に凸の凸曲面形状の立体形態が形成されている吸
収性物品。1. A liquid-permeable surface layer forming a skin contact surface,
In a substantially vertically absorbent article having a liquid-impermeable back layer, and a liquid-retentive absorbing layer interposed between the surface layer and the back layer, on the left and right sides of the absorbent article, Each of the plurality of string-shaped elastic members is disposed in a state of being extended toward the longitudinal direction of the absorbent article, and has a convex curved surface shape convex to the skin contact surface side due to contraction of the elastic member. An absorbent article having a three-dimensional form. 【請求項２】 前記弾性部材のうち、幅方向中央部に配
された伸張された状態の弾性部材の収縮力は、左右両側
に配された伸長された状態の弾性部材の収縮力よりも高
い請求項１記載の吸収性物品。2. A contraction force of an extended elastic member disposed at a center portion in a width direction of the elastic member is higher than a contraction force of an extended elastic member disposed on both left and right sides. The absorbent article according to claim 1. 【請求項３】 上記弾性部材は、上記表面層上に配され
た帯状のシート材に配されている請求項１記載の吸収性
物品。3. The absorbent article according to claim 1, wherein said elastic member is disposed on a belt-like sheet material disposed on said surface layer. 【請求項４】 上記吸収性物品は、該吸収性物品の長手
方向において、肌当接面側に凹状に湾曲した形状を有す
る請求項１記載の吸収性物品。4. The absorbent article according to claim 1, wherein the absorbent article has a shape curved concavely toward the skin contact surface in the longitudinal direction of the absorbent article. 【請求項５】 前記立体形態においては、裏面層上に空
隙が形成されている請求項１〜４の何れかに記載の吸収
性物品。5. The absorbent article according to claim 1, wherein a void is formed on the back surface layer in the three-dimensional form.
JP10063899A 1999-04-07 1999-04-07 Sanitary napkin Expired - Lifetime JP4208338B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10063899A JP4208338B2 (en) 1999-04-07 1999-04-07 Sanitary napkin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10063899A JP4208338B2 (en) 1999-04-07 1999-04-07 Sanitary napkin

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008204127A Division JP4722168B2 (en) 2008-08-07 2008-08-07 Sanitary napkin

Publications (2)

Publication Number Publication Date
JP2000288025A true JP2000288025A (en) 2000-10-17
JP4208338B2 JP4208338B2 (en) 2009-01-14

Family

ID=14279381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10063899A Expired - Lifetime JP4208338B2 (en) 1999-04-07 1999-04-07 Sanitary napkin

Country Status (1)

Country Link
JP (1) JP4208338B2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004105670A1 (en) * 2003-05-29 2004-12-09 Uni-Charm Corporation Sanitary napkin
WO2009004940A1 (en) 2007-06-29 2009-01-08 Uni-Charm Corporation Absorbent article
WO2009004941A1 (en) * 2007-06-29 2009-01-08 Uni-Charm Corporation Absorbent article
JP2010110558A (en) * 2008-11-10 2010-05-20 Kao Corp Absorbent article
WO2010079807A1 (en) 2009-01-07 2010-07-15 ユニ・チャーム株式会社 Absorbent article
US20120323206A1 (en) * 2011-06-17 2012-12-20 Kimberly-Clark Worldwide, Inc. Barrier flap for an absorbent article
US10398608B2 (en) 2015-06-30 2019-09-03 The Procter & Gamble Company Chassis design for absorbent article
US10406040B2 (en) 2015-06-30 2019-09-10 The Procter & Gamble Company Absorbent article with elasticized waist region
US10561542B2 (en) 2015-06-30 2020-02-18 The Procter & Gamble Company Absorbent article with elasticized region
US11771601B2 (en) 2015-06-30 2023-10-03 The Procter & Gamble Company Absorbent article with elasticized region

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1447066B1 (en) 2003-02-12 2008-10-01 The Procter & Gamble Company Comfortable diaper
EP1447067B1 (en) 2003-02-12 2007-12-05 The Procter & Gamble Company Thin and dry diaper
EP2329803B1 (en) 2009-12-02 2019-06-19 The Procter & Gamble Company Apparatus and method for transferring particulate material
PL2532332T5 (en) 2011-06-10 2018-07-31 The Procter And Gamble Company Disposable diaper having reduced attachment between absorbent core and backsheet
CA2838432C (en) 2011-06-10 2018-02-27 The Procter & Gamble Company Absorbent structure for absorbent articles
EP3287109B1 (en) 2011-06-10 2023-11-29 The Procter & Gamble Company Absorbent structure for absorbent articles
RU2630211C1 (en) 2011-06-10 2017-09-05 Дзе Проктер Энд Гэмбл Компани Disposable diapers
EP2532329B1 (en) 2011-06-10 2018-09-19 The Procter and Gamble Company Method and apparatus for making absorbent structures with absorbent material
PL2532328T3 (en) 2011-06-10 2014-07-31 Procter & Gamble Method and apparatus for making absorbent structures with absorbent material
CA2838980A1 (en) 2011-06-10 2012-12-13 The Procter & Gamble Company Absorbent core for disposable absorbent articles
MX348890B (en) 2012-11-13 2017-07-03 Procter & Gamble Absorbent articles with channels and signals.
US10639215B2 (en) 2012-12-10 2020-05-05 The Procter & Gamble Company Absorbent articles with channels and/or pockets
EP2740449B1 (en) 2012-12-10 2019-01-23 The Procter & Gamble Company Absorbent article with high absorbent material content
EP2740450A1 (en) 2012-12-10 2014-06-11 The Procter & Gamble Company Absorbent core with high superabsorbent material content
EP2740452B1 (en) 2012-12-10 2021-11-10 The Procter & Gamble Company Absorbent article with high absorbent material content
PL3254656T3 (en) 2013-06-14 2022-01-10 The Procter & Gamble Company Absorbent article and absorbent core forming channels when wet
MX2016002608A (en) 2013-08-27 2016-06-17 Procter & Gamble Absorbent articles with channels.
US9987176B2 (en) 2013-08-27 2018-06-05 The Procter & Gamble Company Absorbent articles with channels
US11207220B2 (en) 2013-09-16 2021-12-28 The Procter & Gamble Company Absorbent articles with channels and signals
US10292875B2 (en) 2013-09-16 2019-05-21 The Procter & Gamble Company Absorbent articles with channels and signals
EP3351225B1 (en) 2013-09-19 2021-12-29 The Procter & Gamble Company Absorbent cores having material free areas
US9789009B2 (en) 2013-12-19 2017-10-17 The Procter & Gamble Company Absorbent articles having channel-forming areas and wetness indicator
ES2606320T3 (en) 2013-12-19 2017-03-23 The Procter & Gamble Company Absorbent cores that have channel-forming areas and wrapping joints in c
EP2905001B1 (en) 2014-02-11 2017-01-04 The Procter and Gamble Company Method and apparatus for making an absorbent structure comprising channels
EP2949300B1 (en) 2014-05-27 2017-08-02 The Procter and Gamble Company Absorbent core with absorbent material pattern
EP3270857B1 (en) 2015-03-16 2019-12-04 The Procter and Gamble Company Absorbent articles with improved strength
CN107405242A (en) 2015-03-16 2017-11-28 宝洁公司 Absorbent article with improved core
US10736795B2 (en) 2015-05-12 2020-08-11 The Procter & Gamble Company Absorbent article with improved core-to-backsheet adhesive
US10543129B2 (en) 2015-05-29 2020-01-28 The Procter & Gamble Company Absorbent articles having channels and wetness indicator
EP3167859B1 (en) 2015-11-16 2020-05-06 The Procter and Gamble Company Absorbent cores having material free areas
EP3238678B1 (en) 2016-04-29 2019-02-27 The Procter and Gamble Company Absorbent core with transversal folding lines
EP3238676B1 (en) 2016-04-29 2019-01-02 The Procter and Gamble Company Absorbent core with profiled distribution of absorbent material

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7196241B2 (en) 2003-05-29 2007-03-27 Uni-Charm Corporation Sanitary napkin with compressed grooves
WO2004105670A1 (en) * 2003-05-29 2004-12-09 Uni-Charm Corporation Sanitary napkin
US8758317B2 (en) 2007-06-29 2014-06-24 Uni-Charm Corporation Absorbent article with side gathers
WO2009004940A1 (en) 2007-06-29 2009-01-08 Uni-Charm Corporation Absorbent article
WO2009004941A1 (en) * 2007-06-29 2009-01-08 Uni-Charm Corporation Absorbent article
JP2009006064A (en) * 2007-06-29 2009-01-15 Uni Charm Corp Absorbent article
US8771247B2 (en) 2007-06-29 2014-07-08 Uni-Charm Corporation Absorbent article with side gathers
JP2010110558A (en) * 2008-11-10 2010-05-20 Kao Corp Absorbent article
CN102271636A (en) * 2009-01-07 2011-12-07 尤妮佳股份有限公司 Absorbent article
WO2010079807A1 (en) 2009-01-07 2010-07-15 ユニ・チャーム株式会社 Absorbent article
US20120323206A1 (en) * 2011-06-17 2012-12-20 Kimberly-Clark Worldwide, Inc. Barrier flap for an absorbent article
US8715262B2 (en) * 2011-06-17 2014-05-06 Kimberly-Clark Worldwide, Inc. Barrier flap for an absorbent article
US10398608B2 (en) 2015-06-30 2019-09-03 The Procter & Gamble Company Chassis design for absorbent article
US10406040B2 (en) 2015-06-30 2019-09-10 The Procter & Gamble Company Absorbent article with elasticized waist region
US10561542B2 (en) 2015-06-30 2020-02-18 The Procter & Gamble Company Absorbent article with elasticized region
US11413196B2 (en) 2015-06-30 2022-08-16 The Procter & Gamble Company Absorbent article with elasticized waist region
US11458046B2 (en) 2015-06-30 2022-10-04 The Procter & Gamble Company Chassis design for absorbent article
US11771601B2 (en) 2015-06-30 2023-10-03 The Procter & Gamble Company Absorbent article with elasticized region
US11857400B2 (en) 2015-06-30 2024-01-02 The Procter & Gamble Company Absorbent article with elasticized waist region
US11903804B2 (en) 2015-06-30 2024-02-20 The Procter & Gamble Company Chassis design for absorbent article

Also Published As

Publication number Publication date
JP4208338B2 (en) 2009-01-14

Similar Documents

Publication Publication Date Title
JP2000288025A (en) Absorptive article
CA2339441C (en) Absorbent article
JP4653537B2 (en) Absorbent articles
JP3725008B2 (en) Absorbent articles
JP3856941B2 (en) Absorbent articles
KR100640023B1 (en) Sanitary napkin
US9144521B2 (en) Disposable wearing article with central and side curving portions
JP2561675B2 (en) One-piece disposable absorbent product with leak-resistant double cuffs
EP1132067B1 (en) Absorbent article
JP2000333987A (en) Absorbent article
JP2001170111A (en) Absorbable article
JP2000271170A (en) Absorptive article having surface structural body
US6508796B2 (en) Absorbent article
JP2001245928A (en) Absorptive article
KR101720731B1 (en) Absorbent article
AU679176B2 (en) Sanitary napkin having barrier means
JP6385395B2 (en) Absorbent articles
JP2005160843A (en) Absorbent article
JP3818923B2 (en) Absorbent articles
JP2000316905A (en) Disposable absorptive article
JP4722168B2 (en) Sanitary napkin
JP2000271168A (en) Absorptive article not causing side leakage and excellent in fit feeling
JP6713788B2 (en) Incontinence pad for men
KR100258021B1 (en) Disposable absorbent inserted flexible elastomer
JP2015171559A (en) absorbent article

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050929

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20070921

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071009

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071207

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20080624

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080807

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20080930

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20081021

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20081021

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111031

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121031

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131031

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term