JPH11290376A - Disposable diaper - Google Patents
Disposable diaperInfo
- Publication number
- JPH11290376A JPH11290376A JP10095592A JP9559298A JPH11290376A JP H11290376 A JPH11290376 A JP H11290376A JP 10095592 A JP10095592 A JP 10095592A JP 9559298 A JP9559298 A JP 9559298A JP H11290376 A JPH11290376 A JP H11290376A
- Authority
- JP
- Japan
- Prior art keywords
- body portion
- front body
- disposable diaper
- absorber
- body part
- 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、使いすておむつに
関し、着用者が快適かつ衛生的に使用できるだけでな
く、尿の吸収に十分な領域が確保されており、尿や軟便
の漏れ防止に効果のある使いすておむつに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disposable diaper, which not only can be used comfortably and hygienically by a wearer, but also has a sufficient area for absorbing urine and prevents leakage of urine and loose stool. About effective disposable diapers.
【０００２】[0002]
【従来の技術】使いすておむつは、液透過性の表面シー
トと液不透過性裏面シートの間に、親水性シート、綿状
パルプ、高吸水性高分子物質等からなる吸収体を配置し
た構成になっている。近年、紙おむつの吸収体中に高吸
水性高分子物質を使用するようになってから、尿及び軟
便等の漏れや逆戻り等に対して絶大な効果をあげること
になった。しかし、高吸水性高分子物質は、綿状パルプ
に比べて尿の吸収速度が極端に遅いため、一時的に尿や
軟便等が排泄された場合漏れる可能性がある。このた
め、多量の尿や軟便に対しても漏れないような対策が必
要となってきている。2. Description of the Related Art In a diaper to be used, an absorbent made of a hydrophilic sheet, a cotton-like pulp, a highly water-absorbing polymer substance and the like is disposed between a liquid-permeable top sheet and a liquid-impermeable back sheet. It has a configuration. In recent years, since the use of the superabsorbent polymer material in the absorbent article of the disposable diaper has brought a great effect on leakage and reversion of urine and loose stool and the like. However, the superabsorbent polymer substance has an extremely low urine absorption rate as compared with cotton-like pulp, and may leak when urine, loose stool, or the like is temporarily excreted. For this reason, measures have been required to prevent leakage of a large amount of urine and loose stool.
【０００３】吸収体内部の高吸水性高分子物質の分布を
変化させる方法（特開昭６１−１６７００２号公報）
や、綿状パルプ密度を変化させる方法（特開昭６１−３
４２０３号公報）等が開示されている。これらの方法で
は、尿に対しては効果が認められるが、軟便に対しては
効果が認められない。また、おむつの構造を変えること
で便を隔離する方法が開示されている（特開平４−３０
０５４３号公報）。これは開口を有する表面シートを設
けて便を隔離し保持するものであるが、着用者が座った
状態の時に開口部がつぶれてしまい便が保持されない場
合があり、好ましくない。[0003] A method of changing the distribution of a superabsorbent polymer substance inside an absorber (Japanese Patent Laid-Open No. 61-167002).
And a method of changing the density of floc pulp (JP-A-61-3)
No. 4203) and the like. These methods are effective for urine, but not for loose stool. Also, a method of isolating stool by changing the structure of a diaper is disclosed (Japanese Patent Laid-Open No. 4-30 / 1990).
No. 0543). This is to provide a topsheet having an opening to isolate and hold the stool. However, when the wearer is sitting, the opening may be crushed and the stool may not be held, which is not preferable.
【０００４】また、いずれの紙おむつも、吸収体は前身
頃部と後身頃部が連続した構造に形成されているため、
大量の尿が前身頃部側で排出された場合、尿は後身頃部
側まで拡散することになる。また、後身頃部側で便が排
出された場合、便は着用者の体重で前身頃部側へ押しつ
ぶされ、その汚染領域は広がることになる。これらのこ
とから、着用者が不快に感じるだけでなく、その世話人
も着用者の洗浄が困難になり不便である。また、異なる
吸収体からなる前後独立した吸収体を股下部で相互に結
合させているパンツ型おむつが開示されている（特開平
６−３４３６６０号公報）。しかし、大量の尿が排泄さ
れた場合、前身頃部側だけで吸収されるので、吸収後の
前身頃部の吸収体の容量は大きくなり、フィット性に欠
けるので好ましくない。[0004] Further, in any of the disposable diapers, the absorber is formed in a structure in which a front body portion and a back body portion are continuous.
If a large amount of urine is discharged on the front body side, the urine will diffuse to the back body side. Further, when the stool is discharged on the rear body side, the stool is crushed toward the front body side by the weight of the wearer, and the contaminated area is expanded. For these reasons, not only does the wearer feel uncomfortable, but also the caretaker has difficulty in cleaning the wearer, which is inconvenient. Also, a pants-type diaper in which front and rear independent absorbers made of different absorbers are mutually connected at the crotch portion has been disclosed (Japanese Patent Application Laid-Open No. Hei 6-343660). However, when a large amount of urine is excreted, it is absorbed only on the front body side, so that the capacity of the absorber in the front body after absorption becomes large, and it is not preferable because it lacks fit.
【０００５】[0005]
【発明が解決しようとする課題】本発明者等は、かかる
状況に鑑み、前身頃部と後身頃部の２つの領域から形成
され、前記前身頃部と後身頃部は股下部で相互に重ねあ
わされている使いすておむつは、前身頃部中の吸収体は
尿吸収に適応し、後身頃部中の吸収体は便吸収に適応し
ているので、それぞれの排泄物の汚染領域が区分され、
排泄物が着用者の皮膚に接触する面積が小さいため、快
適かつ衛生的に使用されるだけでなく、尿の吸収に十分
な領域が確保されているので、尿や軟便の漏れ防止に効
果があることを見いだした。本発明の目的は、上記従来
の使いすておむつの有する問題点を解消し、尿や軟便の
漏れ防止に効果があり、着用者にとって快適かつ衛生的
に使用される使いすておむつを提供することにある。In view of this situation, the present inventors have formed two regions, a front body portion and a back body portion, and the front body portion and the back body portion overlap each other at the crotch part. As for the disposable diapers, the absorber in the front body part is adapted for urine absorption, and the absorber in the back body part is adapted for stool absorption. And
The small area where the excrement comes into contact with the wearer's skin is not only comfortable and hygienic, but also has a sufficient area for urine absorption, which is effective in preventing leakage of urine and loose stool. I found something. SUMMARY OF THE INVENTION An object of the present invention is to provide a disposable diaper that solves the above-mentioned problems of the conventional disposable diapers, is effective in preventing leakage of urine and loose stool, and is used comfortably and sanitarily for a wearer. It is in.
【０００６】[0006]
【課題を解決するための手段】本発明は、 液透過性の
表面シートと、液不透過性の裏面シートと、これら両シ
ートの間に配置された吸収体と、吸収体の長手方向両側
縁から外側へ延出するサイドフラップと、吸収体の両側
縁近傍に形成されている伸縮性弾性体を含む脚周りギャ
ザーを有する使いすておむつにおいて、前記使いすてお
むつは、前身頃部と後身頃部と股下領域において両者が
重なり合う重なり部の３つの領域から形成され、前記前
身頃部の吸収体は綿状パルプと高吸水性高分子物質を有
する層から形成され、前記後身頃部の吸収体は綿状パル
プを主成分とする層から形成され、前記重なり部は、前
身頃部が後身頃部の外側になるよう上に重なって接合さ
れていることを特徴とする使いすておむつに存する。ま
た、本発明は、前記前身頃部の長さは後身頃部の長さよ
り長いことを特徴とする使いすておむつに存する。SUMMARY OF THE INVENTION The present invention provides a liquid-permeable top sheet, a liquid-impermeable back sheet, an absorber disposed between these two sheets, and both longitudinal edges of the absorber. In a disposable diaper having side flaps extending outward from the outer periphery and gathers around the leg including elastic elastic bodies formed near both side edges of the absorber, the disposable diaper has a front body part and a rear part. The body portion and the crotch region are formed of three overlapping regions where the two overlap with each other. The absorbent body of the front body portion is formed of a layer having cotton-like pulp and a highly water-absorbing polymer, and the absorbent body of the rear body portion The body is formed from a layer containing cotton-like pulp as a main component, and the overlapping portion is overlapped and joined so that a front body portion is outside a rear body portion, and is used as a disposable diaper. Exist. Further, the present invention resides in a disposable diaper, wherein the length of the front body portion is longer than the length of the back body portion.
【０００７】さらに本発明は、前記前身頃部の表面シー
トは、疎水性の合成繊維不織布からなっており、前記後
身頃部の表面シートは親水性の吸水性天然繊維不織布か
らなっており、かつ水崩壊性を有していることを特徴と
する使いすておむつに存する。さらに本発明は、前記前
身頃部の裏面シートは液不透過性フィルムからなってお
り、後身頃部の裏面シートは、撥水性不織布から形成さ
れていることを特徴とする使いすておむつに存する。さ
らに本発明は、前記重なり部において、後身頃部の縦方
向端部が内側に折り返され、折り返された部分によって
防漏壁が形成されていることを特徴とする使いすておむ
つに存する。Further, in the present invention, the front sheet of the front body portion is made of a hydrophobic synthetic fiber non-woven fabric, the surface sheet of the rear body portion is made of a hydrophilic water-absorbing natural fiber non-woven fabric, and Disposable diapers characterized by having water disintegration properties. Further, the present invention resides in a disposable diaper, wherein the back sheet of the front body portion is formed of a liquid-impermeable film, and the back sheet of the back body portion is formed of a water-repellent nonwoven fabric. . Further, the present invention resides in a disposable diaper characterized in that, in the overlapping portion, a longitudinal end of a back body portion is folded inward, and the folded portion forms a leak-proof wall.
【０００８】[0008]
【発明の実施の形態】本発明の使いすておむつは、吸収
体が前身頃部と後身頃部の２つのそれぞれ独立した領域
から形成され、前記前身頃部と後身頃部からそれぞれ中
央に伸びて股下部で相互に重ねあわされて接合され、か
つ、前身頃部中の吸収体は尿吸収に適応し、後身頃部中
の吸収体は便吸収に適応している。このような構成を有
する本発明の使いすておむつは、尿や軟便を集中的に吸
収し、漏れ防止に効果がある他、それぞれの排泄物の汚
染領域が区分され、排泄物が着用者の皮膚に接触する面
積が小さいため、快適かつ衛生的に使用される。さら
に、前身頃部の吸収体は後身頃部の吸収体よりも長く、
前身頃部の吸収体は後身頃部の吸収体の外側になるよう
に重ねられているために、尿の吸収に十分な領域が確保
されているので、尿の漏れ防止にさらに効果がある。BEST MODE FOR CARRYING OUT THE INVENTION In a disposable diaper according to the present invention, an absorbent body is formed from two independent areas of a front body part and a back body part, and extends from the front body part and the back body part to the center respectively. The upper body and the lower body part are overlapped and joined, and the absorber in the front body part is adapted to urine absorption, and the absorber in the back body part is adapted to stool absorption. The disposable diaper of the present invention having such a configuration absorbs urine and loose stool intensively and is effective in preventing leakage. Because of the small area in contact with the skin, it is used comfortably and hygienically. Furthermore, the absorber of the front body part is longer than the absorber of the back body part,
Since the absorber in the front body portion is overlapped outside the absorber in the rear body portion, a sufficient area for absorbing urine is secured, which is further effective in preventing urine leakage.
【０００９】本発明において使用される表面シートはポ
リエステル、ポリプロピレン等からなる液透過性の不織
布、織布が用いられる。また、天然繊維でもよく、合成
繊維と天然繊維との組み合わせ等、広い範囲の材料から
製造することができる。いずれにしても、表面シート
は、直接肌に接触する部分であるため、柔らかく、肌触
りのよいものであれば良く、通気性であれば良い。表面
シートの中央領域は、吸収体上に配置されるため、速や
かに液を透過させることができるように、親水性繊維で
あることが好ましい。また、表面シートの縦方向両端領
域は、液を吸収した吸収体から、外側にしみ出さないよ
うに撥水性であることが好ましい。また、表面シート
は、単一のシートで構成される必要はなく、中央部表面
シートや側部表面シートといった複数枚のシートで構成
されても良い。また、複数枚のシートで表面シートを構
成する際、各シートは別の素材を使っても良いが、同一
の素材でも良い。As the surface sheet used in the present invention, a liquid-permeable nonwoven fabric or woven fabric made of polyester, polypropylene or the like is used. Natural fibers may be used, and the fibers can be manufactured from a wide range of materials such as a combination of synthetic fibers and natural fibers. In any case, since the topsheet is a portion that comes into direct contact with the skin, it is only necessary that the topsheet is soft and comfortable, and it is sufficient that the topsheet is breathable. Since the central region of the topsheet is disposed on the absorber, it is preferable that the central region be made of hydrophilic fibers so that the liquid can be transmitted quickly. Further, both end regions in the longitudinal direction of the topsheet are preferably water-repellent so that they do not seep out from the absorber that has absorbed the liquid. Further, the topsheet does not need to be composed of a single sheet, but may be composed of a plurality of sheets such as a central topsheet and a side topsheet. When the top sheet is composed of a plurality of sheets, each sheet may be made of a different material, or may be made of the same material.
【００１０】また、本発明において、前身頃部の表面シ
ートは、ポリエステル、ポリプロピレン等の合成繊維か
らなる不織布であることが好ましい。すなわち、尿が表
面シートを通過した後も繊維自体が水分を吸収すること
がなく、さらっとした状態で保持できる。In the present invention, the front sheet of the front body is preferably a non-woven fabric made of synthetic fibers such as polyester and polypropylene. That is, even after the urine has passed through the topsheet, the fibers themselves do not absorb moisture and can be kept in a dry state.
【００１１】一方、後身頃部の表面シートはレーヨン、
コットン繊維等の天然繊維からなる不織布であることが
好ましい。すなわち、便を吸収しやすく、汚染領域が広
がらないように、繊維自体に吸水性能を有する方が好ま
しい。また、便が排泄されていない場合は、汗等のわず
かな水分を吸収する役割をになうため、むれずに快適に
着用することができる。さらに、便と一緒にトイレット
へ流すことが可能なシート、すなわち水流で崩壊するシ
ートや水溶性不織布等あることがより好ましい。On the other hand, the surface sheet of the back body part is rayon,
It is preferably a nonwoven fabric made of natural fibers such as cotton fibers. That is, it is preferable that the fibers themselves have a water-absorbing property so that stool can be easily absorbed and the contaminated area does not spread. Further, when the stool is not excreted, the stool plays a role of absorbing a small amount of moisture such as sweat, so that the stool can be comfortably worn without any inconvenience. Further, it is more preferable that there be a sheet that can be flushed with the stool to the toilet, that is, a sheet that disintegrates with a water flow, a water-soluble nonwoven fabric, or the like.
【００１２】本発明において使用される裏面シートは、
ポリエチレン等の液不透過性フィルム、液不透過性フィ
ルムに不織布または織布を貼り合わせてある素材、ま
た、防漏性のある不織布、織布等からなり、特に制限は
なく、吸収体中の水分がおむつ外側にしみ出さないもの
であれば良い。また、布状外観を与えるために模様状に
エンボス処理されたり、さらに艶消し仕上げされていて
も構わない。また、フィルムを使用する場合は、不透過
性でありながら、水蒸気だけを透過させる公知の透湿性
フィルムを使用しても構わず、ムレを防止することから
好ましい。The back sheet used in the present invention comprises:
Liquid impermeable film such as polyethylene, a material in which a nonwoven fabric or a woven fabric is bonded to a liquid impermeable film, or a nonwoven fabric having a leakproof property, a woven fabric, etc., and there is no particular limitation. Any material that does not exude moisture to the outside of the diaper may be used. Further, it may be embossed in a pattern to give a cloth-like appearance, or may be further matte-finished. When a film is used, a known moisture-permeable film that is permeable to water vapor only while being impermeable may be used, and is preferable because it prevents stuffiness.
【００１３】また、本発明において、前身頃部の裏面シ
ートは、尿を吸収した吸収体からの滲みだしを防ぐため
に液不透過性のフィルムであることが好ましい。一方、
後身頃部の裏面シートは、便中のわずかな水分を吸収し
た吸収体から外へしみ出さないものであれば特に制限は
ない。例えば、前身頃と同様、液不透過性のフィルムで
も良いが、撥水性の合成繊維不織布でも良く、通気性と
耐水性の点からスパンボンド不織布とメルトブロー不織
布が積層されたものが好ましい。Further, in the present invention, the back sheet of the front body is preferably a liquid-impermeable film in order to prevent seepage from the absorber that has absorbed urine. on the other hand,
The back sheet of the back body is not particularly limited as long as it does not exude from the absorbent that has absorbed a small amount of water in the stool. For example, as in the case of the front body, a liquid-impermeable film may be used, but a water-repellent synthetic fiber non-woven fabric may be used, and a spun-bonded non-woven fabric and a melt-blown non-woven fabric are preferable in terms of breathability and water resistance.
【００１４】本発明において使用される吸収体は、前身
頃部の吸収体は、着用者の尿を吸収する必要があるため
に、高吸水性高分子物質と綿状パルプからなる層を配置
する。綿状パルプに高吸水性高分子物質を均一に混合し
た層からなる単層構造でもよく、また、この層の下部に
綿状パルプを主成分とする層を設けた２層構造でも良
く、さらにこの２層間に高吸水性高分子物質を層状に散
布した構造でも良い。綿状パルプの使用量は、目的とす
る吸収体により単独又は複数を混合、積層して用いる
か、他の吸水材を併用するか等により異なるが一般的に
は５０〜４００ｇ/ｍ2であることが好ましい。In the absorbent used in the present invention, since the absorbent in the front body needs to absorb the urine of the wearer, a layer composed of a highly water-absorbing polymer substance and cotton-like pulp is arranged. . It may have a single-layer structure composed of a layer obtained by uniformly mixing a superabsorbent polymer substance with flocculent pulp, or may have a two-layer structure in which a layer mainly composed of flocculent pulp is provided below this layer. A structure in which a superabsorbent polymer substance is sprayed in layers between these two layers may be used. The amount of the cotton-like pulp to be used varies depending on the intended absorber alone or a mixture of a plurality of them, used in a laminated manner, or in combination with another water absorbing material, but is generally 50 to 400 g / m 2 . Is preferred.
【００１５】高吸水性高分子物質の分布量は、綿状パル
プの乾燥状態の重量に対して１０〜６００％、好ましく
は１５〜３５０％である。かかる量の高吸水性高分子物
質が綿状パルプに均一に、あるいは不均一に分布してい
ても良い。高吸水性高分子物質が水分を吸収し膨潤した
とき、その粒子は相互の干渉が最小にとどめられ、連続
的に接触して透過障壁を形成することが少なく、尿や体
液を３次元方向に透過、吸収する。これらの吸収体を前
身頃部に使用することによって、着用者が排尿した際
に、表面シートを通過し、まず綿状パルプに一時的に吸
収され、ついで高吸水性高分子物質に吸収、保持され
る。The distribution amount of the superabsorbent polymer is 10 to 600%, preferably 15 to 350%, based on the dry weight of the flocculent pulp. Such amount of superabsorbent polymer may be distributed uniformly or non-uniformly in the floc. When the superabsorbent polymer absorbs water and swells, the particles have minimal interference with each other and are less likely to form a permeation barrier due to continuous contact. Transmit and absorb. By using these absorbers on the front body, when the wearer urinates, it passes through the topsheet, is temporarily absorbed by the cotton-like pulp, and then is absorbed and retained by the superabsorbent polymer. Is done.
【００１６】一方、後身頃部の吸収体は、着用者の便や
軟便を吸収する必要があるために、綿状パルプを主成分
とする層を配置する。着用者が排泄すると、綿状パルプ
層の繊維層の空隙に吸収され、保持される。便及び軟便
は、ほとんどが水分である尿に比べ、粘度が高く、水分
が少ないために、水分を吸収する高吸水性高分子物質よ
りも固形分を先移管の空隙に保持する綿状パルプからな
る層を配置する必要がある。このような、構成の吸収体
により便や軟便は流れることなく汚染領域は小さくな
る。綿状パルプの使用量は、便や軟便中の水分が吸収で
きるだけの量があればよく、５０〜２００ｇ/ｍ2である
ことが好ましい。この時、便や軟便中の水分を吸収、保
持するために、必要に応じて少量の高吸水性高分子物質
を使用しても良い。しかし、便や軟便が綿状パルプ層に
吸収されるのを阻害しない程度の量であることが必要で
ある。On the other hand, since the absorber in the back body needs to absorb the stool and loose stool of the wearer, a layer mainly composed of cotton pulp is arranged. When the wearer excretes, it is absorbed and retained in the voids of the fibrous layer of the cotton-like pulp layer. Stool and loose stool are made of cotton-like pulp that retains solids in the voids of the transfer tube more than water-absorbing high-molecular substances because it has higher viscosity and less water than urine, which is mostly water. It is necessary to arrange layers. With the absorbent having such a configuration, the stool or loose stool does not flow, and the contaminated area is reduced. The amount of the cotton-like pulp used may be an amount capable of absorbing moisture in stool or loose stool, and is preferably 50 to 200 g / m 2 . At this time, a small amount of a high water-absorbing polymer substance may be used as necessary to absorb and retain moisture in stool and loose stool. However, it is necessary that the amount be such that the stool and loose stool are not inhibited from being absorbed by the cotton-like pulp layer.
【００１７】綿状パルプとしては、化学パルプシート、
古紙パルプシート、機械パルプシートを粉砕機で解繊す
ることにより得られる繊維長５ｍｍ以下のものである。
パルプ原料としては、針葉樹に限らず、広葉樹、わら、
竹及びケナフも適用される。As the cotton-like pulp, chemical pulp sheet,
It has a fiber length of 5 mm or less obtained by defibrating a waste paper pulp sheet or a mechanical pulp sheet with a crusher.
Pulp materials are not limited to conifers, but include hardwoods, straws,
Bamboo and kenaf also apply.
【００１８】高吸水性高分子物質としては、デンプン
系、セルロース系、合成ポリマー系があげられる。すな
わち、デンプン−アクリル酸（塩）グラフト重合体、デ
ンプン−アクリル酸エチルグラフト共重合体のケン化
物、デンプン−メタクル酸メチルグラフト共重合体のケ
ン化物、デンプン−アクリロニトリルグラフト共重合体
のケン化物、デンプン−アクリルアミドグラフト共重合
体のケン化物、デンプン−アクリロニトリル−２−アク
リルアミド−２−メチルプロパンスルホン酸グラフト共
重合体のケン化物、アクリル酸（塩）重合体、アクリル
酸で架橋されたポリエチレンオキシド、ナトリウムカル
ボキシメチルセルロースの架橋物、ポリビニルアルコー
ル−無水マレイン酸反応物架橋物などである。特に、自
重の２０倍以上の尿、体液及び水を吸収するもので、ポ
リアクリル酸ナトリウム系のものが吸収性能の点から最
も適当である。また、高吸水性高分子物質を均一に混合
された吸収体は、綿状パルプに対して３〜６０重量％の
熱融着性物質を混合した後、熱圧着してもよいし、もし
くは高吸水性高分子物質のみが親水性シートによりくる
まれているものであっても良い。Examples of the superabsorbent polymer include starch, cellulose, and synthetic polymer. That is, a starch-acrylic acid (salt) graft polymer, a saponified product of a starch-ethyl acrylate graft copolymer, a saponified product of a starch-methyl methacrylate graft copolymer, a saponified product of a starch-acrylonitrile graft copolymer, Saponified starch-acrylamide graft copolymer, saponified starch-acrylonitrile-2-acrylamido-2-methylpropanesulfonic acid graft copolymer, acrylic acid (salt) polymer, polyethylene oxide cross-linked with acrylic acid, A crosslinked product of sodium carboxymethylcellulose; a crosslinked product of a polyvinyl alcohol-maleic anhydride reactant; In particular, those which absorb urine, body fluids and water at least 20 times their own weight, and those based on sodium polyacrylate are most suitable in terms of absorption performance. In addition, the absorbent in which the superabsorbent polymer is uniformly mixed may be heat-compressed after mixing 3 to 60% by weight of the heat-fusible substance with respect to the cotton-like pulp. Only the water-absorbing polymer substance may be wrapped by the hydrophilic sheet.
【００１９】前記吸収体の形状は、砂時計型、矩型、Ｔ
字型等特に制限はなく、股下にフィットする形状であれ
ば良い。一般的に着用感を向上させるために、砂時計型
やＴ字型等股下部を狭くした形状であることが特に好ま
しい。The shape of the absorber may be an hourglass, a rectangle, a T
There is no particular limitation on the character shape, etc., as long as the shape fits the inseam. In general, in order to improve the feeling of wearing, it is particularly preferable to have a shape in which the crotch portion is narrowed, such as an hourglass shape or a T shape.
【００２０】本発明の使いすておむつは、前身頃部及び
後身頃部と股下領域において両者が重なり合う重なり部
の３つの領域から形成されており、重なり部は、前身頃
部が後身頃部の外側になるように重ねられて形成されて
いる。また、前身頃部は後身頃部よりも相対的に長い方
が好ましい。すなわち、前身頃部が尻側に延出して配置
されており、十分な吸収量が確保されているので、大量
の尿も漏らさずに吸収することができる。The disposable diaper according to the present invention is formed of three regions of an overlap portion where the front and back portions and the crotch region overlap each other, and the overlap portion has a front body portion and a back body portion. It is formed so as to overlap on the outside. Further, it is preferable that the front body part is relatively longer than the rear body part. That is, the front body portion is arranged to extend toward the buttocks side, and a sufficient amount of absorption is secured, so that a large amount of urine can be absorbed without leaking.
【００２１】さらに、重なり部における前身頃部の末端
部及び後身頃部の末端部は、表面シートと裏面シートが
吸収体よりさらに延出し、両者が貼り合わさって形成さ
れており、吸収体からのしみだしを防止する。すなわ
ち、前身頃部と後身頃部は独立した吸収体であり、前身
頃部の吸収体は尿吸収量域として、後身頃は便吸収領域
としての役割を果たす。両者はそれぞれ独立した吸収体
であるために、尿領域と便領域が混合することない。こ
れらの構造によって、尿は前身頃部の吸収体の前部で吸
収され、前身頃部１の吸収体の後部の方へ拡散される。
しかし、尻側で、前身頃が後身頃部の外側に重ねられて
いるので、湿潤状態の前身頃部が直接着用者の尻及び背
に接触することなく、さらっとしているため、非常に快
適である。Further, the end of the front body part and the end of the back body part in the overlapping part are formed by the top sheet and the back sheet extending further from the absorber and being bonded together, and Prevent bleeding. That is, the front body part and the back body part are independent absorbers, and the absorber in the front body part plays a role as a urine absorption volume area, and the back body plays a role as a stool absorption area. Since both are independent absorbers, the urine area and the stool area do not mix. With these structures, urine is absorbed at the front part of the absorber in the front body part and diffuses toward the rear part of the absorber in the front body part 1.
However, on the buttocks side, the front body is superimposed on the outside of the back body part, so the wet front body does not directly touch the wearer's buttocks and back, so it is very comfortable because it is dry. is there.
【００２２】また、本発明において、重なり部の後身頃
部の縦方向端部が内側に折り返され、折り返された部分
の側縁が表面シートと貼り合わさることによって防漏壁
が形成されていることが好ましい。すなわち、軟便が防
漏壁によって前身頃部側に移動することが防止せれ、汚
染領域を小さくすることができる。Further, in the present invention, the longitudinal end portion of the rear body portion of the overlapping portion is folded inward, and a side wall of the folded portion is bonded to the top sheet to form a leak-proof wall. Is preferred. That is, loose stool is prevented from moving to the front body side by the leak-proof wall, and the contaminated area can be reduced.
【００２３】股下領域の重なり部の前身頃部と後身頃部
の接合方法は、ホットメルト接着や加圧溶融、あるいは
超音波溶融などを単独またはそれらを適宜組合わさるこ
とによって接合される。また、粘着テープ、フック状雄
型突起とループ状または起毛シートとからなる面ファス
ナーや、スナップ、あるいはボタン等の剥離可能な接合
方法で重ねられていても良い。例えば、重なり部におい
て、前身頃部の表面シートの縦方向端部には粘着テープ
が一体的に接合され、さらに、後身頃部の裏面シートの
表面には、粘着テープを反復接合及び剥離可能な補強シ
ートが一体的に接合されていれば良い。The front body portion and the back body portion of the overlapping portion of the crotch region are joined by hot melt bonding, pressure melting, ultrasonic melting, or the like alone or in an appropriate combination thereof. Also, the adhesive tape, the hook-shaped male protrusions and a loop fastener or a loop-shaped or brushed sheet, or a fastener or a button or the like may be stacked by a peelable joining method. For example, in the overlapping portion, an adhesive tape is integrally joined to the longitudinal end of the front sheet of the front body, and further, the adhesive tape can be repeatedly joined and peeled to the surface of the back sheet of the rear body. It is sufficient that the reinforcing sheet is integrally joined.
【００２４】[0024]
【実施例】以下、図面により本発明の使いすておむつを
より詳細に説明するが、本発明はこれらによって限定さ
れるものではない。図１は、本発明の使いすておむつの
一部切り欠き平面図である。図１において、使いすてお
むつは、液透過性の表面シート３と、液不透過性の裏面
シート４と、これら両シートの間に配置された吸収体５
と、吸収体５の両側縁から外側へ延出する表面シート３
と裏面シート４により形成されたサイドフラップ６と、
吸収体の両側縁に隣接して、脚周りギャザー８を形成す
るためにサイドフラップ６を形成する表面シート３と裏
面シート４の間に配置された伸縮性弾性体７とから基本
的に構成されている。さらに、使いすておむつは、着用
者の腹側に位置する前身頃部１と、背側に位置する後身
頃部２と、前身頃部１と後身頃部２が重なりあう重なり
部１１とからなり、後身頃部２の両側縁にはテープファ
スナー９が取り付けられている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the disposable diaper according to the present invention will be described in detail with reference to the drawings, but the present invention is not limited thereto. FIG. 1 is a partially cutaway plan view of a disposable diaper of the present invention. In FIG. 1, a disposable diaper includes a liquid-permeable top sheet 3, a liquid-impermeable back sheet 4, and an absorber 5 disposed between these two sheets.
And a topsheet 3 extending outward from both side edges of the absorber 5
And a side flap 6 formed by the back sheet 4,
Adjacent to both side edges of the absorber, it is basically composed of a stretchable elastic member 7 disposed between the top sheet 3 forming the side flap 6 and the back sheet 4 to form the leg gather 8. ing. Furthermore, the diaper to be used is composed of a front body portion 1 located on the abdomen of the wearer, a back body portion 2 located on the back side, and an overlapping portion 11 where the front body portion 1 and the back body portion 2 overlap. A tape fastener 9 is attached to both side edges of the back body 2.
【００２５】図２は、図１の使いすておむつをＸ−Ｘ’
線に沿って切断した状態を示す断面図である。図２にお
いて、前身頃部１と後身頃部２のそれぞれが、表面シー
ト３と裏面シート４の間に吸収体５が配置され、また、
吸収体５から延出する表面シート３と裏面シート４の端
部が接合されて吸収体５が被覆されている構造を有して
いる。さらに、前身頃部１が後身頃部２の外側に位置す
るように重ね合わされて、重なり部１１が形成されてい
る。FIG. 2 is a sectional view of the disposable diaper of FIG.
It is sectional drawing which shows the state cut | disconnected along the line. In FIG. 2, the front body 1 and the back body 2 are each provided with an absorber 5 between the top sheet 3 and the back sheet 4, and
It has a structure in which the end portions of the top sheet 3 and the back sheet 4 extending from the absorber 5 are joined to cover the absorber 5. Furthermore, the front part 1 is overlapped so as to be located outside the rear part 2, and an overlapping part 11 is formed.
【００２６】図３は、図１の使いすておむつをＹ−Ｙ’
線に沿って切断した状態を示す断面図である。図３にお
いて、前身頃部１が後身頃部２の外側に位置するように
重ね合わされており、また、前後身頃部の吸収体５の両
側縁から延出する表面シート３と裏面シート４によりサ
イドフラップ６が形成されており、前身頃部１のサイド
フラップ６を形成する表面シート３と裏面シート４の間
にレグギャザーを形成するための伸縮弾性体７が配置さ
れている。FIG. 3 shows the disposable diaper of FIG.
It is sectional drawing which shows the state cut | disconnected along the line. In FIG. 3, the front body part 1 is overlapped so as to be located outside the back body part 2, and the front sheet 3 and the back sheet 4 extending from both side edges of the absorber 5 of the front and rear body parts are side-mounted. A flap 6 is formed, and a stretchable elastic body 7 for forming a leg gather is disposed between the top sheet 3 and the back sheet 4 forming the side flap 6 of the front body 1.
【００２７】図４は、図２とは別の例を示す、図１の使
いすておむつをＸ−Ｘ’線に沿って切断した状態を示す
断面図である。図４において、前身頃部１が後身頃部２
の外側に位置するように重ね合わされて重なり部１１が
形成されており、さらに、後身頃部２の縦方向端部が内
側に折り返されて防漏壁１０が形成されている。FIG. 4 is a sectional view showing another example different from FIG. 2 and showing a state where the disposable diaper of FIG. 1 is cut along the line XX ′. In FIG. 4, the front body part 1 is a back body part 2
An overlapping portion 11 is formed so as to be positioned outside the front side, and a longitudinal end of the rear body portion 2 is folded inward to form a leak-proof wall 10.
【００２８】[0028]
【発明の効果】以上説明したように、本発明の使いすて
おむつは、前身頃部、後身頃部及び重なり部の３つの領
域からなり、前身頃部中の吸収体は尿吸収に適応し、後
身頃部中の吸収体は便吸収に適応しているので、尿や軟
便を集中的に吸収し、漏れ防止に効果がある他、それぞ
れの排泄物の汚染領域が区分され、排泄物が着用者の皮
膚に接触する面積が小さいため、快適かつ衛生的に使用
されるものであり、さらに、前身頃部の吸収体は後身頃
部の吸収体の外側に重なって配置されているので、尿の
吸収に十分な領域が確保され、優れた尿の漏れ防止効果
を有するものである。As described above, the disposable diaper of the present invention is composed of three regions: a front body, a back body, and an overlapping part, and the absorber in the front body is adapted to absorb urine. Since the absorber in the back body is adapted to absorb stool, it absorbs urine and loose stool intensively, is effective in preventing leakage, and separates the contaminated area of each excrement, Since the area in contact with the skin of the wearer is small, it is used comfortably and hygienically.Moreover, since the absorber of the front body part is arranged to overlap the outside of the absorber of the back body part, An area sufficient for urine absorption is ensured, and an excellent effect of preventing urine leakage is obtained.
【００２９】[0029]
【図１】本発明の使いすておむつの一部切り欠き平面
図。FIG. 1 is a partially cutaway plan view of a disposable diaper of the present invention.
【図２】図１の使いすておむつをＹ−Ｙ’線に沿って切
断した状態を示す断面図。FIG. 2 is a cross-sectional view showing a state in which the disposable diaper of FIG. 1 is cut along the line YY ′.
【図３】図１の使いすておむつをＹ−Ｙ’線に沿って切
断した状態を示す断面図。FIG. 3 is a cross-sectional view showing a state where the disposable diaper of FIG. 1 is cut along the line YY ′.
【図４】図２とは別の例を示す、図１の使いすておむつ
をＸ−Ｘ’線に沿って切断した状態を示す断面図。FIG. 4 is a cross-sectional view showing another example different from FIG. 2 and showing a state where the disposable diaper of FIG. 1 is cut along a line XX ′.
１.前身頃部 ２.後身頃部 ３.液透過性の表面シート ４.液不透過性の裏面シート ５.吸収体 ６.サイドフラップ ７.伸縮性弾性体 ８.脚周りギャザー ９.テープファスナー １０.防漏壁 １１.重なり部 1. Front body 2. Back body 3. Liquid permeable top sheet 4. Liquid impermeable back sheet 5. Absorber 6. Side flap 7. Elastic elastic body 8. Leg gathers 9. Tape fastener 10. Leak-proof wall 11. Overlapping part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 鈴木 磨 神奈川県鎌倉市植木19−２ アルス鎌倉Ａ −301 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Ma Suzuki 19-2 Ueki, Kamakura City, Kanagawa Prefecture Ars Kamakura A-301
Claims (5)
面シートと、これら両シートの間に配置された吸収体
と、吸収体の長手方向両側縁から外側へ延出するサイド
フラップと、吸収体の両側縁近傍に形成されている伸縮
性弾性体を含む脚周りギャザーを有する使いすておむつ
において、 前記使いすておむつは、前身頃部と後身頃部と股下領域
において両者が重なり合う重なり部の３つの領域から形
成され、前記前身頃部の吸収体は綿状パルプと高吸水性
高分子物質を有する層から形成され、前記後身頃部の吸
収体は綿状パルプを主成分とする層から形成され、前記
重なり部は、前身頃部が後身頃部の外側になるように重
なって接合されていることを特徴とする使いすておむ
つ。1. A liquid-permeable top sheet, a liquid-impermeable back sheet, an absorber disposed between these sheets, and side flaps extending outward from both longitudinal edges of the absorber. And, in a disposable diaper having leg gathers including an elastic elastic body formed near both side edges of the absorber, the disposable diaper has a front body portion, a back body portion, and a crotch region. The absorbent body of the front body portion is formed of a layer having a cotton-like pulp and a superabsorbent polymer material, and the absorbent body of the rear body portion is mainly composed of the cotton-like pulp. The diaper according to claim 1, wherein the overlapping portion is overlapped and joined so that a front body portion is outside a rear body portion.
長いことを特徴とする請求項１記載の使いすておむつ。2. The disposable diaper according to claim 1, wherein the length of the front body is longer than the length of the back body.
成繊維不織布からなっており、前記後身頃部の表面シー
トは親水性の吸水性天然繊維不織布からなっており、か
つ水崩壊性を有していることを特徴とする請求項１又は
２に記載の使いすておむつ。3. The front body part top sheet is made of a hydrophobic synthetic fiber non-woven fabric, and the back body part top sheet is made of a hydrophilic water-absorbing natural fiber non-woven fabric. The disposable diaper according to claim 1, wherein the diaper has:
ィルムからなっており、後身頃部の裏面シートは、撥水
性不織布から形成されていることを特徴とする請求項１
〜３のいずれかに記載の使いすておむつ。4. The back sheet of the front body portion is formed of a liquid-impermeable film, and the back sheet of the back body portion is formed of a water-repellent nonwoven fabric.
The disposable diaper according to any one of to 3.
端部が内側に折り返され、折り返された部分によって防
漏壁が形成されていることを特徴とする請求項１〜４の
いずれかに記載の使いすておむつ。5. The overlap portion according to claim 1, wherein a longitudinal end of the back body is folded inward, and the folded portion forms a leak-proof wall. Use diapers as described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09559298A JP4094721B2 (en) | 1998-04-08 | 1998-04-08 | Disposable diapers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09559298A JP4094721B2 (en) | 1998-04-08 | 1998-04-08 | Disposable diapers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11290376A true JPH11290376A (en) | 1999-10-26 |
| JP4094721B2 JP4094721B2 (en) | 2008-06-04 |
Family
ID=14141853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09559298A Expired - Fee Related JP4094721B2 (en) | 1998-04-08 | 1998-04-08 | Disposable diapers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4094721B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010075541A (en) * | 2008-09-26 | 2010-04-08 | Kao Corp | Developing type diaper |
| JP2010075542A (en) * | 2008-09-26 | 2010-04-08 | Kao Corp | Developing type diaper |
| WO2012029096A1 (en) * | 2010-09-02 | 2012-03-08 | 川島 千昌 | Diaper, diaper cover and water-absorbing sheet |
| JP2021514280A (en) * | 2018-02-15 | 2021-06-10 | ブレヴィンス，ジョン | Absorbents for products adapted to body crevices and products with such absorbers |
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| JPH09192168A (en) * | 1996-01-17 | 1997-07-29 | Oji Paper Co Ltd | Disposable diaper |
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1998
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|---|---|---|---|---|
| JPH0663073A (en) * | 1992-08-25 | 1994-03-08 | Uni Charm Corp | Disposable diaper |
| JPH06134910A (en) * | 1992-10-28 | 1994-05-17 | Toyo Ink Mfg Co Ltd | Water disintegrable nonwoven fabric and laminate thereof |
| JPH06343660A (en) * | 1993-06-03 | 1994-12-20 | Nippon Kiyuushiyuutai Gijutsu Kenkyusho:Kk | Absorbent product and its manufacture |
| JPH09192168A (en) * | 1996-01-17 | 1997-07-29 | Oji Paper Co Ltd | Disposable diaper |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010075541A (en) * | 2008-09-26 | 2010-04-08 | Kao Corp | Developing type diaper |
| JP2010075542A (en) * | 2008-09-26 | 2010-04-08 | Kao Corp | Developing type diaper |
| WO2012029096A1 (en) * | 2010-09-02 | 2012-03-08 | 川島 千昌 | Diaper, diaper cover and water-absorbing sheet |
| JP2021514280A (en) * | 2018-02-15 | 2021-06-10 | ブレヴィンス，ジョン | Absorbents for products adapted to body crevices and products with such absorbers |
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| JP4094721B2 (en) | 2008-06-04 |
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