JP2002325792A - Absorptive article - Google Patents
Absorptive articleInfo
- Publication number
- JP2002325792A JP2002325792A JP2001133815A JP2001133815A JP2002325792A JP 2002325792 A JP2002325792 A JP 2002325792A JP 2001133815 A JP2001133815 A JP 2001133815A JP 2001133815 A JP2001133815 A JP 2001133815A JP 2002325792 A JP2002325792 A JP 2002325792A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- liquid
- absorbent article
- wing
- flaps
- 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
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、経血やおりものな
どを吸収するための生理用ナプキン、パンティライナ
ー、失禁パッド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 absorbent articles such as sanitary napkins, panty liners and incontinence pads for absorbing menstrual blood and vaginal discharge.
【０００２】[0002]
【従来の技術】従来より、生理用ナプキン、パンティラ
イナー、おりものシート、失禁パッドなどの吸収性物品
としては、例えば図１１および図１２に示されるよう
に、ポリエチレンシートまたはポリエチレンラミネート
不織布などからなる不透液性裏面シート５０と、不織布
または透孔性プラスチックシートなどからなる透液性表
面シート５１との間に綿状パルプなどからなる吸収体５
２を介在させたものが知られている。2. Description of the Related Art Conventionally, absorbent articles such as sanitary napkins, panty liners, vaginal sheets, incontinence pads, etc. are, for example, as shown in FIGS. Absorber 5 made of cotton-like pulp or the like between liquid-impermeable back sheet 50 and liquid-permeable top sheet 51 made of a nonwoven fabric or a porous plastic sheet.
2 is known.
【０００３】この種の吸収性物品Ｎは、ズレ止めを図る
ために、例えば非使用面側（外面）に１または複数条の
粘着剤層５３，５３を形成し、かつナプキン本体の長手
方向両側部に、外方に延在するウイング状フラップＷ、
Ｗを一体的に形成するとともに、このウイング状フラッ
プＷ、Ｗの不透液性裏面シートがわの面に粘着剤層５
４，５４を設けるようにしたものが存在する。なお、製
品状態では、これらの各粘着剤層５３…、５４…にはそ
れぞれ剥離紙が仮着されている。[0003] In order to prevent displacement, this kind of absorbent article N has, for example, one or more pressure-sensitive adhesive layers 53 on the non-use surface side (outer surface) and both sides in the longitudinal direction of a napkin body. In the part, the wing-shaped flap W extending outward,
W is formed integrally, and the wing-shaped flaps W, the liquid-impervious back sheet of the W
There is one in which 4, 54 is provided. In the product state, release paper is temporarily attached to each of the pressure-sensitive adhesive layers 53..., 54.
【０００４】前記吸収性物品Ｎを下着３０に固定する際
には、図１３に示されるように、先ず非使用面側に仮着
されている前記剥離紙を剥がした後、吸収性物品Ｎを局
所にあてがい、側方に突出する前記ウイング状フラップ
Ｗ、Ｗを下着より出し、両ウイング状フラップＷ、Ｗを
折返し線ＲＬ、ＲＬで折返し、下着のクロッチ部分を巻
き込むようにしながら下着の股間部外面に接着するよう
にする。When the absorbent article N is fixed to the underwear 30, as shown in FIG. 13, the release paper temporarily attached to the non-use surface side is first peeled off, and then the absorbent article N is removed. Place the wing-shaped flaps W, W protruding laterally from the underwear, and apply the wing-shaped flaps W, W at the folding lines RL, RL, and fold the crotch portion of the underwear while crotch portion of the underwear. Adhere to the outer surface.
【０００５】一方、近年は前記吸収体外面に形成した粘
着剤層５３，５３および前記ウイング状フラップＷ、Ｗ
の構成を採ることなく、吸収性物品のズレ止めを図る提
案が成されている。たとえば、特表2000-505697号公
報、特表2000-505698号公報等では、吸収性物品の透液
性表面シート面の一部に粘着剤層を形成し、吸収性物品
を直接肌に接着するようにしたものが提案されている。On the other hand, recently, the pressure-sensitive adhesive layers 53, 53 formed on the outer surface of the absorber and the wing-shaped flaps W, W
Proposals have been made to prevent the absorbent article from shifting without adopting the configuration described above. For example, JP-T-2000-505697, JP-T-2000-505698, etc., form a pressure-sensitive adhesive layer on a part of the liquid-permeable surface sheet surface of the absorbent article and directly adhere the absorbent article to the skin. Something like that has been proposed.
【０００６】[0006]
【発明が解決しようとする課題】出願人が近年行った調
査によれば、前記ウイング状フラップＷ、Ｗを備えた吸
収性物品の使用者の中には、本来の目的であるズレ防止
機能よりも、下着のクロッチ部サイドをカバーし下着を
汚さない目的で使用している女性が多くいることが判明
した。According to a research conducted by the applicant in recent years, some users of the absorbent articles provided with the wing-shaped flaps W, W have a function of preventing the displacement which is the original purpose. It was also found that there were many women who covered the crotch side of the underwear and used it to keep the underwear clean.
【０００７】しかしながら、前者のウイング状フラップ
Ｗ、Ｗが下着のクロッチ部を巻き込んでいる場合には、
下着の汚れは防止できるけれども、経血がナプキンのサ
イドを越えて横漏れし、経血がウイング状フラップＷ、
Ｗの表面を伝わると、前記ウイング状フラップＷの表面
が折返し部分で衣類と接触しているため、逆に衣服を汚
す結果になる場合があることが判った。However, when the former wing-shaped flaps W, W involve the crotch portion of the underwear,
Although dirt on the underwear can be prevented, menstrual blood leaks across the side of the napkin and menstrual blood flaps W,
It has been found that when transmitted along the surface of W, the surface of the wing-shaped flap W is in contact with the clothing at the folded portion, and consequently the clothing may be contaminated.
【０００８】一方、後者の吸収性物品表面の一部分に粘
着剤層を設ける場合には、粘着剤層が透液性表面シート
を覆うため、限られた股間幅内で経血等の吸収に寄与し
得る有効面積が実質的に減少することになるため、結果
として横漏れを助長する可能性があるなどの問題があ
る。On the other hand, when the adhesive layer is provided on a part of the surface of the absorbent article, the adhesive layer covers the liquid-permeable surface sheet, and thus contributes to absorption of menstrual blood and the like within a limited crotch width. There is a problem that the effective area that can be reduced is substantially reduced, and as a result, lateral leakage may be promoted.
【０００９】そこで本発明の主たる課題は、両側部に側
部フラップを備えた吸収性物品において、吸収性物品の
ズレ止めを図るとともに、たとえ経血等の横漏れが生じ
たとしても、下着および衣類を汚すことがない吸収性物
品を提供することにある。Accordingly, a main object of the present invention is to provide an absorbent article having side flaps on both sides to prevent the absorbent article from shifting, and to prevent underwear and menstrual blood from leaking even if menstrual blood leaks. An object of the present invention is to provide an absorbent article that does not stain clothes.
【００１０】[0010]
【課題を解決するための手段】前記課題を解決するため
の請求項１に係る本発明として、透液性表面シートと不
透液性裏面シートとの間に吸収体が介在されるととも
に、両側部にそれぞれ側方に突出する１以上の側部フラ
ップが形成された吸収性物品において、前記側部フラッ
プの透液性表面シートがわの面に粘着剤層が形成されて
いることを特徴とする吸収性物品が提供される。According to a first aspect of the present invention, there is provided an absorbent body interposed between a liquid-permeable top sheet and a liquid-impermeable back sheet. In an absorbent article in which one or more side flaps protruding sideways are formed on the side, an adhesive layer is formed on the side of the liquid-permeable surface sheet of the side flaps. An absorbent article is provided.
【００１１】請求項２に係る本発明として、前記側部フ
ラップにおいて、前記粘着剤層形成シート面が親水性不
織布である請求項１記載の吸収性物品が提供される。According to a second aspect of the present invention, there is provided the absorbent article according to the first aspect, wherein in the side flap, the surface of the pressure-sensitive adhesive layer forming sheet is a hydrophilic nonwoven fabric.
【００１２】請求項３に係る本発明として、前記側部フ
ラップにおいて、前記粘着剤層形成シート面に波状加工
が施されている請求項１、２いずれかに記載の吸収性物
品が提供される。According to a third aspect of the present invention, there is provided the absorbent article according to any one of the first and second aspects, wherein the pressure-sensitive adhesive layer-formed sheet is corrugated on the side flap. .
【００１３】請求項４に係る本発明として、前記側部フ
ラップが伸縮性を有する請求項１〜３いずれかに記載の
吸収性物品が提供される。According to a fourth aspect of the present invention, there is provided the absorbent article according to any one of the first to third aspects, wherein the side flaps have elasticity.
【００１４】請求項５に係る本発明として、前記側部フ
ラップは前記粘着剤層形成シートが透液性シートとされ
るとともに、裏面側に裏面側シートを備える二層構造の
シートとされ、これら２層シート間に吸収体が介在され
ている請求項１〜４いずれかに記載の吸収性物品が提供
される。According to a fifth aspect of the present invention, the side flap is a sheet having a two-layer structure in which the pressure-sensitive adhesive layer forming sheet is a liquid-permeable sheet and a back side sheet is provided on the back side. The absorbent article according to any one of claims 1 to 4, wherein an absorbent is interposed between the two-layer sheets.
【００１５】請求項６に係る本発明として、前記側部フ
ラップは透湿性を有する請求項１〜５いずれかに記載の
吸収性物品が提供される。According to a sixth aspect of the present invention, there is provided the absorbent article according to any one of the first to fifth aspects, wherein the side flap has moisture permeability.
【００１６】本発明における吸収性物品においては、い
ずれも吸収性物品の両側部に形成される側部フラップの
透液性表面シートがわの面に粘着剤層が形成されてい
る。そして、本吸収性物品を身体に装着する際には、前
記側部フラップＷ、Ｗを下着の外に出して、股間大腿部
の付け根部分の肌に直接接着するようにする。したがっ
て、吸収性物品のズレ止めが図れるとともに、たとえ経
血等の横漏れが生じたとしても、経血等は前記側部フラ
ップと肌との間を伝わり、下着および衣類とは接触する
ことがないため、下着および衣類を汚すことがないもの
となる。また、従来例のように、粘着剤層が経血等の吸
収に寄与し得る吸収体面を覆う構成を採らないため、吸
収有効面積が減少することもない。In each of the absorbent articles of the present invention, a pressure-sensitive adhesive layer is formed on the side of the liquid-permeable top sheet of the side flap formed on both sides of the absorbent article. Then, when the present absorbent article is worn on the body, the side flaps W, W are put out of the underwear, and are directly adhered to the skin at the base of the crotch thigh. Therefore, the absorbent article can be prevented from being shifted, and even if menstrual blood or the like leaks laterally, the menstrual blood or the like is transmitted between the side flap and the skin, and may come into contact with underwear and clothing. As such, the undergarments and clothing are not stained. Further, since the adhesive layer does not cover the absorber surface which can contribute to the absorption of menstrual blood and the like as in the conventional example, the effective absorption area does not decrease.
【００１７】なお、本発明では後述のウイング状フラッ
プＷおよび臀部側フラップＷB等、吸収性物品の側部に
部分的に突出して設けられるフラップ類を総括して「側
部フラップ」と称している。[0017] In the present invention the wing-shaped flaps W and buttocks side flaps W B, etc. which will be described later, the absorbent are collectively flap compound provided by partially protruding to the side of the article referred to as "side flaps" I have.
【００１８】[0018]
【発明の実施の形態】以下、本発明の実施の形態につい
て図面を参照しながら詳述する。Embodiments of the present invention will be described below in detail with reference to the drawings.
【００１９】〔第１形態例〕図１は本発明の第１形態例
に係る生理用ナプキン１Ａの一部破断展開図、図２はそ
の裏面図、図３の図１のIII−III線矢視図、図４は図１
のIV−IV線矢視図である。[First Embodiment] FIG. 1 is a partially exploded development view of a sanitary napkin 1A according to a first embodiment of the present invention, FIG. 2 is a rear view thereof, and FIG. FIG. 1 is a perspective view, and FIG.
FIG. 4 is a view taken along line IV-IV of FIG.
【００２０】前記生理用ナプキン１Ａは、ポリエチレン
シート、ポリプロピレンシートなどからなる不透液性裏
面シート２と、経血やおりものなどを速やかに透過させ
る透液性表面シート３と、これら両シート２，３間に介
在された綿状パルプまたは合成パルプなどからなる吸収
体４と、この吸収体４の形状保持および拡散性向上のた
めに前記吸収体４を囲繞するクレープ紙５と、表面両側
部にそれぞれ長手方向に沿って形成されたサイド不織布
６，６とから構成され、前記吸収体４の周囲において、
その上下端縁部では、前記不透液性裏面シート２と透液
性表面シート３との外縁部がホットメルトなどの接着剤
やヒートシール等の接着手段によって接合され、またそ
の両側縁部では吸収体４よりも側方に延出している前記
不透液性裏面シート２と前記サイド不織布６とがホット
メルトなどの接着剤やヒートシール等の接着手段によっ
て接合されている。The sanitary napkin 1A includes a liquid-impervious back sheet 2 made of a polyethylene sheet, a polypropylene sheet, or the like, a liquid-permeable top sheet 3 that allows menstrual blood, vaginal discharge, etc. to pass through quickly. , 3 made of cotton-like pulp or synthetic pulp, crepe paper 5 surrounding the absorber 4 for maintaining the shape of the absorber 4 and improving its diffusibility, And side non-woven fabrics 6, 6 formed along the longitudinal direction, respectively, around the absorber 4,
At the upper and lower edges, the outer edges of the liquid-impermeable backing sheet 2 and the liquid-permeable topsheet 3 are joined by an adhesive such as hot melt or an adhesive means such as heat sealing. The liquid-impermeable back sheet 2 extending to the side of the absorber 4 and the side nonwoven fabric 6 are joined by an adhesive such as a hot melt or an adhesive means such as a heat seal.
【００２１】以下、さらに前記生理用ナプキン１Ａの構
造について詳述すると、前記不透液性裏面シート２は、
ポリエチレンやポリプロピレン等のオレフィン系樹脂シ
ートなどの少なくとも遮水性を有するシート材が用いら
れるが、この他にポリエチレンシート等に不織布を積層
したラミネート不織布や、さらには防水フィルムを介在
して実質的に不透液性を確保した上で不織布シート（こ
の場合には防水フィルムと不織布とで不透液性裏面シー
トを構成する。）などを用いることができる。近年はム
レ防止の観点から透湿性を有するものが用いられる傾向
にある。この遮水・透湿性シート材としては、ポリエチ
レンやポリプロピレン等のオレフィン系樹脂中に無機充
填剤を溶融混練してシートを成形した後、一軸または二
軸方向に延伸することにより得られる微多孔性シートで
ある。Hereinafter, the structure of the sanitary napkin 1A will be described in detail.
A sheet material having at least water-blocking properties, such as an olefin-based resin sheet such as polyethylene or polypropylene, is used. After ensuring liquid permeability, a nonwoven fabric sheet (in this case, a waterproof film and a nonwoven fabric constitute a liquid impermeable backsheet) or the like can be used. In recent years, those having moisture permeability tend to be used from the viewpoint of preventing stuffiness. The water-permeable and moisture-permeable sheet material is a microporous material obtained by melting and kneading an inorganic filler in an olefin-based resin such as polyethylene or polypropylene to form a sheet, and then stretching the sheet uniaxially or biaxially. It is a sheet.
【００２２】次いで、前記透液性表面シート３として
は、有孔または無孔の不織布や多孔性プラスチックシー
トなどが好適に用いられる。不織布を構成する素材繊維
としては、たとえばポリエチレンまたはポリプロピレン
等のオレフィン系、ポリエステル系、ポリアミド系等の
合成繊維の他、レーヨンやキュプラ等の再生繊維、綿等
の天然繊維とすることができ、スパンレース法、スパン
ボンド法、サーマルボンド法、メルトブローン法、ニー
ドルパンチ法等の適宜の加工法によって得られた不織布
を用いることができる。これらの加工法の内、スパンレ
ース法は柔軟性、ドレープ性に富む点で優れ、サーマル
ボンド法は嵩高でソフトである点で優れている。図示の
例では、前記透液性表面シート３は、表面側の多孔性プ
ラスチックシート３Ａと、裏面側に親水性不織布３Ｂと
による２層構成となっている。Next, as the liquid permeable surface sheet 3, a perforated or non-porous nonwoven fabric or a porous plastic sheet is preferably used. The material fibers constituting the nonwoven fabric may be, for example, synthetic fibers such as olefins such as polyethylene or polypropylene, polyesters, polyamides, etc., recycled fibers such as rayon and cupra, and natural fibers such as cotton. A nonwoven fabric obtained by an appropriate processing method such as a lace method, a spun bond method, a thermal bond method, a melt blown method, and a needle punch method can be used. Among these processing methods, the spunlace method is excellent in that it is rich in flexibility and drapability, and the thermal bond method is excellent in that it is bulky and soft. In the illustrated example, the liquid-permeable top sheet 3 has a two-layer structure including a porous plastic sheet 3A on the front side and a hydrophilic nonwoven fabric 3B on the back side.
【００２３】前記透液性表面シート３として、上記２層
構成のシートを用いた場合には、経血やおりもの等（以
下、まとめて体液という。）が速やかに吸収されるよう
になるとともに、肌と接触する表面はドライタッチ性に
優れたものとなる。なお、この場合には本例のように、
吸収体４を囲繞するクレープ紙５を設け、結果的に透液
性表面シート３と吸収体４との間にクレープ紙５が介在
するようにすれば、吸収性に優れる前記クレープ紙５に
よって体液を速やかに拡散させるとともに、これら経血
等の逆戻りを防止するようになる。When the above-mentioned two-layer sheet is used as the liquid permeable surface sheet 3, menstrual blood, vaginal discharge, etc. (hereinafter collectively referred to as body fluid) can be quickly absorbed. The surface that comes into contact with the skin has excellent dry touch properties. In this case, as in this example,
If the crepe paper 5 surrounding the absorber 4 is provided, and as a result the crepe paper 5 is interposed between the liquid-permeable top sheet 3 and the absorber 4, the crepe paper 5 having excellent absorbability can be used. Is quickly diffused, and the return of menstrual blood and the like is prevented.
【００２４】一方、前記透液性表面シート３の上面に
は、排血対応部位を跨ぐ両側部にそれぞれ、略長手方向
に沿うサイドエンボス７，７が形成されているととも
に、前後部にそれぞれ弧状エンボス８，８が形成されて
いる。On the other hand, on the upper surface of the liquid-permeable top sheet 3, side embosses 7, 7 are formed along the substantially longitudinal direction on both sides straddling the blood drainage corresponding portion, respectively, and arcuately formed on the front and rear portions, respectively. Embosses 8, 8 are formed.
【００２５】前記不透液性裏面シート２と透液性表面シ
ート３との間に介在される吸収体４は、たとえばフラッ
フ状パルプと吸水ポリマーとにより構成されている。前
記吸水性ポリマーは吸収体を構成するパルプ中に例えば
粒状粉として混入されている。前記パルプとしては、木
材から得られる化学パルプ、溶解パルプ等のセルロース
繊維や、レーヨン、アセテート等の人工セルロース繊維
からなるものが挙げられ、広葉樹パルプよりは繊維長の
長い針葉樹パルプの方が機能および価格の面で好適に使
用される。The absorber 4 interposed between the liquid-impermeable back sheet 2 and the liquid-permeable top sheet 3 is made of, for example, fluff-like pulp and a water-absorbing polymer. The water-absorbing polymer is mixed in the pulp constituting the absorbent, for example, as a granular powder. Examples of the pulp include chemical fibers obtained from wood, cellulose fibers such as dissolved pulp, and rayon, and artificial cellulose fibers such as acetate.Conifer pulp having a longer fiber length than hardwood pulp has a function and It is preferably used in terms of price.
【００２６】本生理用ナプキン１Ａの表面がわ両側部に
はそれぞれ、長手方向に沿って、かつ吸収性物品のほぼ
全長に亘ってサイド不織布６，６が設けられているとと
もに、このサイド不織布６，６の一部が側方に延在され
るとともに、前記不透液性裏面シート２の一部が側方に
延在され、これら側方に延在されたサイド不織布部分と
不透液性裏面シート部分とをホットメルト接着剤等によ
り接合してウイング状フラップＷ、Ｗが形成され、この
ウイング状フラップＷ、Ｗの透液性表面シート３側の面
に粘着層１０，１０が形成されている。On both sides of the surface of the sanitary napkin 1A, side nonwoven fabrics 6 and 6 are provided along the longitudinal direction and over substantially the entire length of the absorbent article. , 6 are extended laterally, a part of the liquid-impervious back sheet 2 is extended laterally, and the side non-woven fabric part extended to these laterals is impermeable to the liquid-impermeable material. The wing-shaped flaps W, W are formed by joining the back sheet portion with a hot melt adhesive or the like, and the adhesive layers 10, 10 are formed on the liquid-permeable top sheet 3 side of the wing-shaped flaps W, W. ing.
【００２７】前記粘着剤層１０を形成する粘着剤として
は、たとえばスチレン系ポリマー、粘着付与剤、可塑剤
のいずれかが主成分であるものが好適に使用される。前
記スチレン系ポリマーとしては、スチレン−エチレン−
ブチレン−スチレンブロック共重合体、スチレン−ブチ
レン−スチレンブロック共重合体、スチレン−イソブチ
レン−スチレン共重合体等が挙げられるが、これらのう
ち１種のみを使用しても、二種以上のポリマーブレンド
であってもよい。この中でも熱安定性が良好であるとい
う点で、スチレン−エチレン−ブチレン−スチレンブロ
ック共重合体が好ましい。また、前記粘着付与剤および
可塑剤としては、常温で固体のものを好ましく用いるこ
とができ、粘着付与剤ではたとえばＣ５系石油樹脂、Ｃ
９系石油樹脂、ジシクロペンタジエン系石油樹脂、ロジ
ン系石油樹脂、ポリテルペン樹脂、テルペンフェノール
樹脂等が挙げられ、前記可塑剤では例えば、リン酸トリ
フレシル、フタル酸ジブチル、フタル酸ジオクチル等の
モノマー可塑剤の他、ビニル重合体やポリエステルのよ
うなポリマー可塑剤が挙げられる。As the pressure-sensitive adhesive for forming the pressure-sensitive adhesive layer 10, for example, one containing a styrene-based polymer, a tackifier, or a plasticizer as a main component is preferably used. As the styrene-based polymer, styrene-ethylene-
A butylene-styrene block copolymer, a styrene-butylene-styrene block copolymer, a styrene-isobutylene-styrene copolymer, and the like may be mentioned. Even when only one of these is used, two or more polymer blends may be used. It may be. Among these, a styrene-ethylene-butylene-styrene block copolymer is preferable in that it has good thermal stability. As the tackifier and the plasticizer, those which are solid at room temperature can be preferably used. Examples of the tackifier include C5 petroleum resin, C5
Nine petroleum resins, dicyclopentadiene petroleum resins, rosin petroleum resins, polyterpene resins, terpene phenol resins, and the like. Among the plasticizers, for example, monomer plasticizers such as triflesyl phosphate, dibutyl phthalate, and dioctyl phthalate And a polymer plasticizer such as a vinyl polymer or polyester.
【００２８】前記サイド不織布６としては、重要視する
機能の点から撥水処理不織布または親水処理不織布を使
用することができる。たとえば、経血やおりもの等が浸
透するのを防止する、あるいは肌触り感を高めるなどの
機能を重視するならば、シリコン系、パラフィン系、ア
ルキルクロミッククロリド系撥水剤などをコーティング
した撥水処理不織布を用い、前記ウイング状フラップ
Ｗ、Ｗにおける経血等の吸収性を重視するならば、合成
繊維の製造過程で親水基を持つ化合物、例えばポリエチ
レングリコールの酸化生成物などを共存させて重合させ
る方法や、塩化第２スズのような金属塩で処理し、表面
を部分溶解し多孔性とし金属の水酸化物を沈着させる方
法等により合成繊維を膨潤または多孔性とし、毛細管現
象を応用して親水性を与えた親水処理不織布を用いるよ
うにする。本発明の趣旨からすれば、前記サイド不織布
６として親水処理不織布を用いるのが望ましい。As the side non-woven fabric 6, a water-repellent non-woven fabric or a hydrophilic non-woven fabric can be used from the viewpoint of functions that are regarded as important. For example, if the emphasis is on functions such as preventing menstrual blood or vaginal discharge from permeating, or enhancing the feel of the skin, water-repellent treatment coated with a silicon-based, paraffin-based, alkylchromic chloride-based water repellent, etc. If a nonwoven fabric is used and if the wing-like flap W, emphasizing the absorbability of menstrual blood or the like in the W is emphasized, a compound having a hydrophilic group, such as an oxidation product of polyethylene glycol, is polymerized in the production process of the synthetic fiber. Swelling or porosity of the synthetic fiber by a method such as treating with a metal salt such as stannic chloride, partially dissolving the surface to make it porous and depositing metal hydroxide, and applying the capillary phenomenon Use a hydrophilically-treated nonwoven fabric having hydrophilicity. From the viewpoint of the present invention, it is desirable to use a hydrophilic nonwoven fabric as the side nonwoven fabric 6.
【００２９】かかるサイド不織布６としては、天然繊
維、合成繊維または再生繊維などを素材として、適宜の
加工法によって形成されたものを使用することができる
が、好ましくは目付け量を抑えて通気性を持たせた不織
布を用いるのがよい。As the side non-woven fabric 6, a material formed by using a natural fiber, a synthetic fiber, a regenerated fiber, or the like as a raw material by an appropriate processing method can be used. It is preferable to use a nonwoven fabric provided.
【００３０】前記サイド不織布６の内方側は、図３に示
されるように、吸収体４の側縁よりも内側に所定幅Ｓ1
だけ重なりをもって配設され、その内方がわ側縁の数mm
幅分Ｓ2は透液性表面シート３に接着せずに、内側斜め
上方に向かってある程度の起立を示すようになってい
る。その結果、粘性が高く透液性表面シート３の表面を
流れる場合があっても、前記ある程度起立を示す内方が
わ側縁部（前記Ｓ2部分）が経血等を阻止する障堰とな
って横漏れを防止するようになるとともに、サイド不織
布６により前記吸収体４に吸収された経血やおりもの等
を吸収体４の側部よりも外部に透過させず、かつ滲み出
しを防止するようになっている。As shown in FIG. 3, the inner side of the side nonwoven fabric 6 has a predetermined width S 1 inside the side edge of the absorber 4.
It is arranged with only overlap, and the inside is several mm on the side edge
Width of S 2 to not adhere to the liquid-permeable topsheet 3, so that show some standing inward obliquely upward. As a result, the Sawaseki to prevent high viscosity even if flowing on the surface of the liquid-permeable topsheet 3, wherein the I side edges whichever exhibit some standing is (the S 2 moiety) such as menstrual blood As a result, side leakage is prevented, and menstrual blood, vaginal discharge, and the like absorbed by the absorber 4 by the side nonwoven fabric 6 are not transmitted to the outside than the side of the absorber 4, and bleeding is prevented. It is supposed to.
【００３１】他方、前記不透液性裏面シート２の非使用
面側（外面）には、図２に示されるように、ショーツに
対する固定のために適宜の塗布パターンによって複数条
の粘着層１１，１１が形成され、未使用製品状態では粘
着層を覆う剥離紙（図示せず）が設けられる。On the other hand, on the non-use surface side (outer surface) of the liquid-impermeable backing sheet 2, as shown in FIG. 2, a plurality of adhesive layers 11, 11 is formed, and a release paper (not shown) covering the adhesive layer is provided in an unused product state.
【００３２】前記生理用ナプキン１Ａを下着に装着する
には、前記剥離紙を剥がした上で、図５に示されるよう
に、生理用ナプキン１Ａを局所にあてがい、側方に突出
する前記ウイング状フラップＷ、Ｗを下着より出し、前
記ウイング状フラップＷ、Ｗを股間大腿部付け根部分の
肌に接着するようにする。これにより、生理用ナプキン
１Ａは非使用面側に形成された粘着層１１，１１および
肌に直接接着されたウイング状フラップＷ、Ｗにより確
実にズレ止めが図られるようになるとともに、仮に前記
生理用ナプキン１Ａに排出された経血等の量が多く横漏
れが生じ、ウイング状フラップＷ、Ｗに至ることがあっ
たとしても、経血等はウイング状フラップＷ、Ｗと肌と
の間を伝わり、下着および衣類と接触することがないた
め、下着および衣類を汚す心配がない。In order to mount the sanitary napkin 1A on the underwear, the release paper is peeled off, and as shown in FIG. 5, the sanitary napkin 1A is applied locally and the wings protruding sideways. The flaps W, W are taken out from underwear, and the wing-shaped flaps W, W are adhered to the skin at the base of the crotch thigh. Thus, the sanitary napkin 1A can be surely prevented from being displaced by the adhesive layers 11, 11 formed on the non-use surface side and the wing-shaped flaps W, W directly adhered to the skin. Even if the amount of menstrual blood and the like discharged to the napkin 1A is large and lateral leakage occurs and reaches the wing-like flaps W and W, menstrual blood and the like may pass between the wing-like flaps W and W and the skin. It does not come into contact with underwear and clothing, so there is no risk of soiling underwear and clothing.
【００３３】ところで、本発明では前記ウイング状フラ
ップＷ、Ｗを直接、肌に接着するため汗等によるムレや
接着による不快感が懸念される。そこで、図６に示され
るように、ウイング状フラップＷ、Ｗ部におけるサイド
不織布６に対して波状加工を施し、多数形成される波状
空間によってムレの低減を図るとともに、接着面積の減
少および波部（起立部）によって若干の変位を許容する
ことにより接着による肌への不快感を解消することがで
きる。In the present invention, the wing-shaped flaps W, W are directly adhered to the skin. Therefore, as shown in FIG. 6, the wing-shaped flaps W, the side nonwoven fabric 6 in the W portion are subjected to a corrugated process, and a large number of corrugated spaces are used to reduce stuffiness, reduce the bonding area, and reduce the corrugated portion. By allowing slight displacement by the (standing portion), discomfort to the skin due to adhesion can be eliminated.
【００３４】また、経血等がウイング状フラップＷ、Ｗ
と肌との間に流れた際に、この経血等を確実に吸収保持
することが望ましい。そこで、図７に示されるように、
ウイング状フラップＷ、Ｗ部分において、不透液性裏面
シート２とサイド不織布６との間に、例えばエアレイド
等の薄い吸収体１２を介在させるようにしてもよい。こ
の場合、前記吸収体の厚みは好ましくは１mm以下とする
のが望ましい。また、前記吸収体１２としてはクレープ
紙などを用いるようにしてもよい。In addition, menstrual blood and the like have wing-shaped flaps W, W
It is desirable to reliably absorb and retain this menstrual blood and the like when flowing between the skin and the skin. Therefore, as shown in FIG.
In the wing-shaped flaps W, W, a thin absorbent 12 such as air laid may be interposed between the liquid impermeable back sheet 2 and the side nonwoven fabric 6. In this case, the thickness of the absorber is preferably 1 mm or less. Further, as the absorber 12, crepe paper or the like may be used.
【００３５】さらには、前記サイド不織布として、伸縮
性を有するサイド不織布、具体的にはポリウレタンなど
の可逆的に塑性変形し易い弾性樹脂材料からなる長繊維
で構成した不織布、または引き延ばされた際に繊維自体
の繊維直径は変化しないものの、ジグザグ状またはスパ
イラル状の捲縮が形成され、この捲縮が引き延ばされる
ことによって伸縮性を示すようにした不織布等を使用す
るとともに、前記不透液性裏面シート２として伸縮性プ
ラスチックフィルムを使用することにより、前記ウイン
グ状フラップＷ、Ｗに伸縮性を与え、身体の動きに追従
にさせるようにするとともに、前記ウイング状フラップ
Ｗ、Ｗを直接肌に接着することによる違和感を解消する
ようにしてもよい。Further, as the side nonwoven fabric, a side nonwoven fabric having elasticity, more specifically, a nonwoven fabric composed of long fibers made of an elastic resin material which is easily reversibly plastically deformed, such as polyurethane, or stretched At this time, the fiber diameter of the fiber itself does not change, but a zigzag or spiral crimp is formed, and a nonwoven fabric or the like that is made to exhibit elasticity by stretching the crimp is used. By using an elastic plastic film as the liquid back sheet 2, the wing-shaped flaps W, W are given elasticity so as to follow the movement of the body, and the wing-shaped flaps W, W are directly The discomfort caused by bonding to the skin may be eliminated.
【００３６】〔第２形態例〕図８は本発明の第２形態例
に係る生理用ナプキン１Ｂの一部破断展開図を示したも
のである。[Second Embodiment] FIG. 8 is a partially exploded development view of a sanitary napkin 1B according to a second embodiment of the present invention.
【００３７】基本的構造は上記第１形態例と同様である
が、本第２形態例における生理用ナプキン１Ｂでは、前
記サイド不織布６として、伸縮性を有するサイド不織布
が使用され、一方前記不透液性裏面シート２は吸収性物
品の両側部において吸収体４の側縁を若干越えた位置を
シート端２ａ、２ａとしており、前記サイド不織布６の
一部を前記不透液性裏面シート２のシート端２ａを越え
て側方に延在することにより前記ウイング状フラップ
Ｗ、Ｗが形成され、このウイング状フラップＷ、Ｗの透
液性表面シート３側の面に粘着層１０，１０が形成され
ている。なお、前記ウイング状フラップＷの不織布部分
には波状加工を施すようにしてもよい。The basic structure is the same as that of the first embodiment, but in the sanitary napkin 1B of the second embodiment, a side nonwoven fabric having elasticity is used as the side nonwoven fabric 6, while the opaque side is used. The liquid back sheet 2 has sheet edges 2a and 2a at positions slightly over the side edges of the absorbent body 4 on both sides of the absorbent article, and a part of the side nonwoven fabric 6 is formed of the liquid impermeable back sheet 2. The wing-shaped flaps W, W are formed by extending laterally beyond the sheet end 2a, and the adhesive layers 10, 10 are formed on the surface of the wing-shaped flaps W, W on the liquid-permeable topsheet 3 side. Have been. The nonwoven fabric portion of the wing-shaped flap W may be subjected to a corrugated process.
【００３８】前記伸縮性不織布によってウイング状フラ
ップＷ、Ｗを構成することにより、身体の動きに容易に
追従できるようになり、前記ウイング状フラップＷ、Ｗ
を直接肌に接着することによる違和感が大幅に解消され
るようになるとともに、高い通気性が確保されるように
なる。By forming the wing-shaped flaps W, W by the stretchable nonwoven fabric, it becomes possible to easily follow the movement of the body, and the wing-shaped flaps W, W
The discomfort caused by directly adhering to the skin is largely eliminated, and high air permeability is ensured.
【００３９】なお、本生理用ナプキン１Ｂでは、前記ウ
イング状フラップＷを引っ張ってショーツの外に出す
際、引張力が前記ウイング状フラップＷからサイド不織
布６に伝達され、サイド不織布６と不透液性裏面シート
２との剥離が生じる虞がある。これを防止するために、
前記吸収体側縁よりも外方位置において、不透液性裏面
シート２とサイド不織布６とを長手方向に沿う線状のヒ
ートシール９によって固着するようにしてある。この線
状ヒートシール９は、概ねナプキン製品長さの１／５以
上の長さ範囲に亘って形成するのが望ましい。その他の
構造については前記第１形態例と同様であるため、同符
号を付して説明は省略する。In the sanitary napkin 1B, when the wing-shaped flap W is pulled out of the shorts, the tensile force is transmitted from the wing-shaped flap W to the side nonwoven fabric 6, and the side nonwoven fabric 6 and the liquid impervious liquid are impermeable. There is a possibility that separation from the conductive back sheet 2 may occur. To prevent this,
At a position outside the side edge of the absorber, the liquid-impermeable back sheet 2 and the side nonwoven fabric 6 are fixed by a linear heat seal 9 along the longitudinal direction. This linear heat seal 9 is desirably formed over a length range that is at least about 1/5 of the length of the napkin product. Other structures are the same as those of the first embodiment, and therefore, the same reference numerals are given and the description is omitted.
【００４０】以上、両側部にそれぞれ１づつウイング状
フラップＷ、Ｗを備えた生理用ナプキンの例について詳
述したが、本発明は、図１０に示されるように、後側寄
り位置に臀部側フラップＷB、ＷBを有する夜用生理用ナ
プキン１Ｃに対しても全く同様に適用することが可能で
ある。すなわち、ウイング状フラップＷ、Ｗの透液性表
面シート３がわの面に粘着剤層１０，１０を形成すると
ともに、前記臀部側フラップＷBの透液性表面シート３
がわの面に粘着剤層１３，１３を形成し、前記ウイング
状フラップＷ、Ｗを股間大腿部の付け根部分の肌に接着
するとともに、前記臀部側フラップＷBを臀部の肌に接
着して装着するようにする。The example of the sanitary napkin provided with the wing-shaped flaps W, W on each side has been described above in detail. As shown in FIG. it is possible to exactly the same manner applied to the flaps W B, night for a sanitary napkin 1C with W B. That is, the wing-shaped flaps W, to form a pressure-sensitive adhesive layer 10, 10 on the surface of the liquid-permeable surface sheet 3 side of the W, the liquid-permeable surface sheet 3 of the buttocks side flaps W B
The adhesive layer 13 is formed on the surface of the side, the wing-shaped flaps W, as well as adhesion to the skin of the root portion of the crotch thigh W, and bonding the buttocks side flaps W B buttocks skin And attach it.
【００４１】[0041]
【発明の効果】以上詳説のとおり本発明によれば、両側
部に側部フラップを備えた吸収性物品において、吸収性
物品のズレ止めが図れるようになるとともに、たとえ経
血等の横漏れが生じたとしても、下着および衣類を汚す
ことがないなどの利点がもたらされるようになる。As described above in detail, according to the present invention, in an absorbent article having side flaps on both sides, it is possible to prevent the absorbent article from shifting and to prevent side leakage such as menstrual blood. If so, advantages will be provided, such as not soiling underwear and clothing.
【図１】本発明の第１形態例に係る生理用ナプキン１Ａ
の一部破断展開図である。FIG. 1 shows a sanitary napkin 1A according to a first embodiment of the present invention.
FIG.
【図２】その裏面図である。FIG. 2 is a rear view thereof.
【図３】図１のIII−III線矢視図である。FIG. 3 is a view taken along line III-III in FIG. 1;
【図４】図１のIV−IV線矢視図である。FIG. 4 is a view taken in the direction of arrows IV-IV in FIG. 1;
【図５】本生理用ナプキン１Ａの装着状態図を示す模式
図である。FIG. 5 is a schematic view showing an attached state diagram of the sanitary napkin 1A.
【図６】ウイング状フラップＷの他の形成態様図を示す
要部拡大断面図である。FIG. 6 is an enlarged sectional view showing a main part of another wing-like flap W in another form of formation.
【図７】ウイング状フラップＷの他の形成態様図を示す
要部拡大断面図である。FIG. 7 is an enlarged sectional view showing a main part of another wing-shaped flap W.
【図８】本発明の第２形態例に係る生理用ナプキン１Ｂ
の一部破断展開図である。FIG. 8 shows a sanitary napkin 1B according to a second embodiment of the present invention.
FIG.
【図９】図８のIX−IX線矢視図である。FIG. 9 is a view taken on line IX-IX of FIG. 8;
【図１０】本発明に係る生理用ナプキンの他例を示す展
開図である。FIG. 10 is a developed view showing another example of the sanitary napkin according to the present invention.
【図１１】従来の生理用ナプキンＮの展開図である。FIG. 11 is a development view of a conventional sanitary napkin N.
【図１２】その横断面図である。FIG. 12 is a cross-sectional view thereof.
【図１３】従来の生理用ナプキンＮの装着要領を示す斜
視図である。FIG. 13 is a perspective view showing a mounting procedure of a conventional sanitary napkin N.
１Ａ〜１Ｃ…生理用ナプキン、２…不透液性裏面シー
ト、３…透液性表面シート、３Ａ…多孔性プラスチック
シート、３Ｂ…親水性不織布、４…吸収体、５…クレー
プ紙、６…サイド不織布、１０・１１・１３…粘着剤
層、Ｗ…ウイング状フラップ、ＷＢ…臀部側フラップ1A to 1C: sanitary napkin, 2: liquid-impermeable back sheet, 3: liquid-permeable top sheet, 3A: porous plastic sheet, 3B: hydrophilic nonwoven fabric, 4: absorber, 5: crepe paper, 6 ... side nonwoven, 10, 11, 13 ... adhesive layer, W ... wing-shaped flaps, W B ... buttocks side flap
フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ａ６１Ｆ 13/494 Ａ４１Ｂ 13/02 Ｋ 13/514 Ａ６１Ｆ 13/18 ３５０ 13/56 (72)発明者 藤田 雅也 静岡県富士市厚原151−２ ダイオーサニ タリープロダクツ株式会社内 Ｆターム(参考） 3B029 BD02 BD12 BD19 4C003 BA01 DA06 FA01 HA05 4C098 AA09 CC01 CC14 CC23 CC37 CE05 DD03 DD05 DD06 DD10 DD12 DD23 DD25 DD26 DD28Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat II (Reference) A61F 13/494 A41B 13/02 K 13/514 A61F 13/18 350 13/56 (72) Inventor Masaya Fujita Fuji, Shizuoka Prefecture 151-2 Ichiatsubara Dai-Sani Tally Products Co., Ltd. F-term (reference) 3B029 BD02 BD12 BD19 4C003 BA01 DA06 FA01 HA05 4C098 AA09 CC01 CC14 CC23 CC37 CE05 DD03 DD05 DD06 DD10 DD12 DD23 DD25 DD26 DD28
Claims (6)
の間に吸収体が介在されるとともに、両側部にそれぞれ
側方に突出する１以上の側部フラップが形成された吸収
性物品において、 前記側部フラップの透液性表面シートがわの面に粘着剤
層が形成されていることを特徴とする吸収性物品。1. An absorbent material having an absorbent body interposed between a liquid-permeable top sheet and a liquid-impermeable back sheet, and having at least one side flap projecting laterally on both sides. An absorbent article, wherein an adhesive layer is formed on the side of the liquid-permeable topsheet of the side flap.
形成シート面が親水性不織布である請求項１記載の吸収
性物品。2. The absorbent article according to claim 1, wherein the pressure-sensitive adhesive layer-forming sheet surface of the side flap is made of a hydrophilic nonwoven fabric.
形成シート面に波状加工が施されている請求項１、２い
ずれかに記載の吸収性物品。3. The absorbent article according to claim 1, wherein the pressure-sensitive adhesive layer forming sheet is corrugated on the side flap.
１〜３いずれかに記載の吸収性物品。4. The absorbent article according to claim 1, wherein said side flaps have elasticity.
トが透液性シートとされるとともに、裏面側に裏面側シ
ートを備える二層構造のシートとされ、これら２層シー
ト間に吸収体が介在されている請求項１〜４いずれかに
記載の吸収性物品。5. The side flap according to claim 1, wherein the pressure-sensitive adhesive layer-forming sheet is a liquid-permeable sheet, and a sheet having a two-layer structure having a back-side sheet on the back side. The absorbent article according to any one of claims 1 to 4, wherein
１〜５いずれかに記載の吸収性物品。6. The absorbent article according to claim 1, wherein said side flap has moisture permeability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001133815A JP4388241B2 (en) | 2001-05-01 | 2001-05-01 | Absorbent articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001133815A JP4388241B2 (en) | 2001-05-01 | 2001-05-01 | Absorbent articles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002325792A true JP2002325792A (en) | 2002-11-12 |
| JP4388241B2 JP4388241B2 (en) | 2009-12-24 |
Family
ID=18981609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001133815A Expired - Lifetime JP4388241B2 (en) | 2001-05-01 | 2001-05-01 | Absorbent articles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4388241B2 (en) |
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