JP2003265528A - Disposable paper diaper - Google Patents
Disposable paper diaperInfo
- Publication number
- JP2003265528A JP2003265528A JP2002071920A JP2002071920A JP2003265528A JP 2003265528 A JP2003265528 A JP 2003265528A JP 2002071920 A JP2002071920 A JP 2002071920A JP 2002071920 A JP2002071920 A JP 2002071920A JP 2003265528 A JP2003265528 A JP 2003265528A
- Authority
- JP
- Japan
- Prior art keywords
- woven fabric
- sheet
- diaper
- top sheet
- disposable
- 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
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 151
- 239000000835 fiber Substances 0.000 claims abstract description 50
- 229920000742 Cotton Polymers 0.000 claims abstract description 25
- 239000004698 Polyethylene Substances 0.000 claims description 19
- 229920000573 polyethylene Polymers 0.000 claims description 19
- -1 polypropylene Polymers 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 13
- 239000004743 Polypropylene Substances 0.000 claims description 12
- 230000002745 absorbent Effects 0.000 claims description 12
- 239000002250 absorbent Substances 0.000 claims description 12
- 229920001155 polypropylene Polymers 0.000 claims description 12
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims 1
- 239000000470 constituent Substances 0.000 abstract description 3
- 230000003449 preventive effect Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 22
- 238000009499 grossing Methods 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- 239000006096 absorbing agent Substances 0.000 description 11
- 230000002265 prevention Effects 0.000 description 11
- 210000002700 urine Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 5
- 239000002657 fibrous material Substances 0.000 description 5
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 239000005060 rubber Substances 0.000 description 5
- 229920002994 synthetic fiber Polymers 0.000 description 5
- 239000012209 synthetic fiber Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- 230000002940 repellent Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 101500021165 Aplysia californica Myomodulin-A Proteins 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、使い捨て紙おむつ
に関する。TECHNICAL FIELD The present invention relates to a disposable diaper.
【０００２】[0002]
【従来の技術】従来、紙おむつは、透液性のトップシー
トと、不透液性のバックシートと、これらの間に介装さ
れる吸収体とで構成される紙おむつ本体を備えている。
また、この紙おむつ本体に、脚周りからの尿等の漏れを
防止する立体ギャザーを備えた紙おむつなども使用され
ている。これらのトップシートやバックシート、立体ギ
ャザーなどの、紙おむつを構成する各部材の多くは、不
織布で形成されている。この各部材を構成する不織布に
は、それぞれ撥水性または吸水性を高める加工を施した
り、ゴムを備えて弾性を持たせたり、適切な形状や大き
さに形成するなどを行うことによって、尿等の吸収力を
高めたり、通気性を良好にしたり、また尿等の漏れを防
止する等の、おむつに必要な性質を実現させている。2. Description of the Related Art Conventionally, a paper diaper has a paper diaper main body composed of a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed therebetween.
Further, a paper diaper having a three-dimensional gather for preventing leakage of urine and the like from around the legs is also used in the main body of the paper diaper. Many of the respective members constituting the paper diaper, such as the top sheet, back sheet, and three-dimensional gather, are made of non-woven fabric. The non-woven fabric forming each of these members is processed to enhance water repellency or water absorption, is provided with rubber to have elasticity, or is formed into an appropriate shape and size to form urine, etc. It realizes the necessary properties for diapers, such as improving the absorption capacity of diaper, improving breathability, and preventing leakage of urine.
【０００３】[0003]
【発明が解決しようとする課題】しかし、不織布は、微
細な繊維を互いに絡合させたり接着させたりして形成す
るため、不織布表面は、繊維が毛羽立った状態となる。
すると、紙おむつの感触が悪くなったり、また不織布表
面で使用者の皮膚が擦られるなどの不都合が生じる。ま
た、不織布が硬い場合には、使用感をより一層低下させ
てしまうため問題である。However, since a nonwoven fabric is formed by intertwining or adhering fine fibers to each other, the surface of the nonwoven fabric is in a fluffy state.
As a result, inconveniences such as a bad feeling of the diaper and rubbing of the user's skin on the surface of the nonwoven fabric occur. Further, when the nonwoven fabric is hard, it is a problem because the feeling of use is further deteriorated.
【０００４】本発明の課題は、使用感が良好な使い捨て
紙おむつを提供することである。An object of the present invention is to provide a disposable paper diaper having a good feeling in use.
【０００５】[0005]
【課題を解決するための手段】以上の課題を解決するた
め、本発明の第１の手段は、例えば、図１〜３に示すよ
うに、透液性のトップシート（１０）と、不透液性のバ
ックシート（２０）と、前記トップシートと前記バック
シートとの間に介装される吸収体（３０）と、を含む紙
おむつ本体を備えた使い捨て紙おむつ（１００）におい
て、前記トップシートは、肌に触れる面の繊維先端が毛
羽立たないように加工された不織布で形成されているこ
とを特徴とする。この繊維先端が毛羽立たないように加
工された不織布とは、不織布を構成する繊維の先端が不
織布表面から突出していない状態のことであって、例え
ば、当該繊維先端の当該不織布表面から突出した部分
が、前記不織布表面上にねかされるように押え付けられ
ている状態や、或いは、不織布表面から突出する繊維先
端がカットされて極めて短くされた状態となること等に
より、当該不織布を肌で触れた時の感触が、滑らかであ
ることを意味する。To solve the above problems, the first means of the present invention is, for example, as shown in FIGS. 1 to 3, a liquid-permeable top sheet (10) and an impermeable top sheet (10). A disposable paper diaper (100) comprising a paper diaper body comprising a liquid backsheet (20) and an absorber (30) interposed between the topsheet and the backsheet, wherein the topsheet is It is characterized in that the fiber tip of the surface that comes into contact with the skin is made of a non-woven fabric processed so as not to fluff. The non-woven fabric processed so that the fiber tip does not fluff is a state in which the tips of the fibers forming the non-woven fabric do not project from the non-woven fabric surface, for example, the portion of the fiber tip projecting from the non-woven fabric surface is , Touching the non-woven fabric by touching the non-woven fabric by being pressed against the non-woven fabric surface, or by cutting the fiber tip protruding from the non-woven fabric surface to make it extremely short. It means that the feel when touched is smooth.
【０００６】第１の手段によれば、肌に触れる面の繊維
先端が毛羽立たないように加工された不織布は、表面が
滑らかで、摩擦力が小さいため、肌に触れた際の感触が
よく、また不織布と接触する皮膚等が擦られてダメージ
を受けることを防止できるので、使用感の良好な紙おむ
つを形成することができる。また、上記第１の手段と同
様に、この使い捨て紙おむつにギャザーシート（４０）
や、胴周り漏れ防止シート（５０）を備えてもよく、バ
ックシート、ギャザーシートおよび／または胴周り漏れ
防止シートについても、肌に触れる面の繊維先端が毛羽
立たないように加工された不織布で形成すれば、感触が
滑らかで使用感の良い紙おむつを形成でき、好適であ
る。According to the first means, the non-woven fabric processed so that the tip of the fiber on the surface which comes into contact with the skin is not fluffed, has a smooth surface and a small frictional force, and therefore has a good feel when touching the skin. Further, since it is possible to prevent the skin or the like coming into contact with the non-woven fabric from being rubbed and damaged, it is possible to form a disposable diaper having a good feeling in use. Further, as in the case of the first means, the disposable sheet diaper is provided with a gather sheet (40)
Alternatively, a waist leakage prevention sheet (50) may be provided, and the back sheet, the gather sheet and / or the waist leakage prevention sheet are also formed of a non-woven fabric processed so that the fiber tips on the surface that comes into contact with the skin do not fluff. This is preferable because it makes it possible to form a disposable diaper having a smooth feel and a good feeling in use.
【０００７】また、不織布の、肌に触れる面の繊維先端
が毛羽立たないようにする手段としては、使い捨て紙お
むつを形成する不織布の、肌と接触する面に、ローラー
で圧力をかける方法を用いることができる。[0007] As a means for preventing the fiber tip of the non-woven fabric from contacting the skin from fluffing, a method of applying pressure to the skin-contacting surface of the non-woven fabric forming the disposable diaper is used. it can.
【０００８】この手段によれば、不織布に対して、ロー
ラーにより圧力を加えると、不織布の表面に毛羽立った
状態の繊維を不織布表面に押え付けて、ねかせた状態に
することができ、不織布表面が滑らかとなる。従って、
不織布の感触が良好となるので、当該不織布を用いて紙
おむつを形成すれば、使用感の良好な紙おむつを製造で
きる。According to this means, when pressure is applied to the non-woven fabric by the roller, the fibers in the fluffy state of the non-woven fabric can be pressed onto the non-woven fabric surface to make the non-woven fabric lie, and the non-woven fabric surface becomes It becomes smooth. Therefore,
Since the feel of the non-woven fabric becomes good, forming a paper diaper using the non-woven fabric makes it possible to produce a paper diaper having a good usability.
【０００９】また、本発明の第２の手段は、透液性のト
ップシートと、不透液性のバックシートと、前記トップ
シートと前記バックシートとの間に介装される吸収体
と、を含むおむつ本体を備えた使い捨て紙おむつにおい
て、前記トップシートは、綿が配合された不織布で形成
されていることを特徴とする。The second means of the present invention is to provide a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed between the top sheet and the back sheet. In the disposable paper diaper having a diaper main body including, the top sheet is formed of a non-woven fabric containing cotton.
【００１０】第２の手段によれば、綿が配合された不織
布は、化学合成繊維等のみで形成される不織布に比べて
柔らかいため、感触がよく、使用感の良好な紙おむつを
形成することができる。尚、この使い捨て紙おむつに
は、更に、ギャザー押えシート、またおむつ本体のトッ
プシート側の胴周り部を覆う胴周り漏れ防止シートを備
えてもよく、ギャザー押えシートおよび／または胴周り
漏れ防止シートについても、綿が配合された不織布で形
成すれば、感触が柔らかく使用感の良い紙おむつを形成
でき、好適である。According to the second means, since the non-woven fabric containing cotton is softer than the non-woven fabric formed of only the chemical synthetic fiber, it is possible to form a disposable diaper having a good feel and a good usability. it can. The disposable paper diaper may further be provided with a gather presser sheet, and a waist leakage prevention sheet for covering the waist area around the top sheet side of the diaper body. The gather press sheet and / or the waist leakage prevention sheet Also, if it is formed of a non-woven fabric containing cotton, a paper diaper having a soft feel and a good usability can be formed, which is preferable.
【００１１】さらに第３の手段として、使い捨て紙おむ
つに備える胴周り漏れ防止シートを、ポロプロピレン不
織布、ポリエチレン／ポリプロピレン混合不織布、ポリ
エチレン／ポリエチレンテレフタレート混合不織布、ま
たはこれらの混綿で構成すると、柔らかく形成できるの
で好適である。Further, as a third means, when the waist leakage preventing sheet provided in the disposable diaper is made of polypropylene non-woven fabric, polyethylene / polypropylene mixed non-woven fabric, polyethylene / polyethylene terephthalate mixed non-woven fabric, or mixed cotton thereof, it can be formed softly. It is suitable.
【００１２】[0012]
【発明の実施の形態】以下、図を参照して本発明の実施
の形態を説明する。図１は、本発明の一例としての、パ
ンツ型の使い捨て紙おむつ１００（以下、紙おむつ１０
０と記載する）を示す斜視図であり、図２は、紙おむつ
１００の両脇部分を切り離して展開した様子を示す斜視
図である。紙おむつ１００は、主に、トップシート１０
と、バックシート２０と、吸収体３０と、ギャザー押え
シート２７と、ギャザーシート４０と、胴周り漏れ防止
シート５０と、防水フィルム（図示略）と、を備えて構
成されている。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a pants-type disposable paper diaper 100 (hereinafter referred to as a paper diaper 10) as an example of the present invention.
2 is a perspective view showing a state in which both side portions of the disposable diaper 100 are separated and developed. The paper diaper 100 is mainly composed of the top sheet 10
The back sheet 20, the absorber 30, the gather pressing sheet 27, the gather sheet 40, the waist leakage preventing sheet 50, and the waterproof film (not shown).
【００１３】吸収体３０は、紙おむつ１００の使用時
に、尿等の水様成分を吸収するもので、綿やパルプ等の
吸収性素材や、繊維或いはフィルム等のシート状基材と
高吸水性樹脂とを組み合わせて形成される。吸収体３０
は、人体の前胴周りから脚の間を通り後胴周り（後述）
に亘る位置に装着されるように、ある程度の幅と長さを
有するように（例えば図２に示すような略長方形状に）
形成される。The absorbent body 30 absorbs watery components such as urine when the diaper 100 is used, and is made of absorbent materials such as cotton and pulp, sheet-like base materials such as fibers and films, and a super absorbent resin. It is formed by combining and. Absorber 30
Is the area around the front torso of the human body and the area around the back torso (described later)
So that it has a certain width and length so that it can be attached to all the positions (for example, in a substantially rectangular shape as shown in FIG. 2).
It is formed.
【００１４】トップシート１０は、透液性不織布で、吸
収体３０の表面側を覆う形状に形成される。トップシー
ト１０を形成する不織布の素材としてとしては、天然繊
維、合成繊維、のいずれを用いてもよい。天然繊維の例
としては、綿、セルロース（木材パルプ）、羊毛、絹等
が挙げられる。また合成繊維としては、ポリプロピレン
（PP）、ポリエチレン（PE）、ナイロン、ポリエステル
（PET等）、アクリル等が挙げられ、またPE /PP混合不
織布、PE /PET混合不織布、またはこれらの混綿など、
上記素材を適宜組み合わせたバイコンポーネント繊維
（混合繊維）も用いることができる。The top sheet 10 is a liquid-permeable nonwoven fabric and is formed in a shape that covers the surface side of the absorber 30. As the material of the non-woven fabric forming the top sheet 10, either natural fibers or synthetic fibers may be used. Examples of natural fibers include cotton, cellulose (wood pulp), wool, silk and the like. Examples of synthetic fibers include polypropylene (PP), polyethylene (PE), nylon, polyester (PET, etc.), acrylic, and the like. Also, PE / PP mixed non-woven fabric, PE / PET mixed non-woven fabric, or mixed cotton of these,
Bicomponent fibers (mixed fibers) obtained by appropriately combining the above materials can also be used.
【００１５】トップシート１０の不織布を形成する素材
の繊維径は、1.0〜4.0d（デニール）のものが好まし
い。The fiber diameter of the material forming the non-woven fabric of the top sheet 10 is preferably 1.0 to 4.0 d (denier).
【００１６】トップシート１０を形成する不織布には、
綿以外の天然繊維、あるいは合成繊維のいずれを素材と
する場合においても、綿を配合する。綿が配合された不
織布は、綿が無配合の不織布に比べて柔らかく、感触の
よい不織布を形成できるからである。綿を配合する量と
しては、不織布を形成する他の素材の種類によっても異
なるが、繊維性素材の全体に対して、綿が3.0重量％未
満とすると好ましい。3.0重量％以上であると、綿に吸
収された体液等の水分が表面層に逆戻りし、着用者にじ
めじめした感覚を与える虞があるためである。The non-woven fabric forming the top sheet 10 includes
Cotton is blended regardless of whether natural fiber or synthetic fiber other than cotton is used as the material. This is because a non-woven fabric containing cotton can form a non-woven fabric that is softer and has a better feel than a non-woven fabric. Although the amount of cotton blended varies depending on the type of other materials forming the nonwoven fabric, it is preferable that the amount of cotton is less than 3.0% by weight based on the whole fibrous material. If it is 3.0% by weight or more, water such as body fluid absorbed by cotton may return to the surface layer and give a dull feeling to the wearer.
【００１７】これらの繊維性素材から不織布を製造する
方法としては、公知の方法を適宜用いることができ、例
えば、ケミカルボンド、サーマルボンド、スパンレース
等のいずれの方法を用いてもよく、また合成繊維等で
は、スパンボンド法、メルトブロー法、またこれらと上
記の接着方法の組み合わせ等、いずれの方法を用いて製
造してもよい。また、このように各種繊維から不織布を
形成させる工程で、綿を配合させることにより、綿混合
の不織布を形成することができる。As a method for producing a non-woven fabric from these fibrous materials, a known method can be appropriately used, and for example, any method such as chemical bond, thermal bond, spunlace, etc. may be used, and synthesis is also possible. The fibers and the like may be manufactured by any method such as a spunbond method, a melt blow method, or a combination of these with the above-mentioned bonding method. In addition, a cotton-mixed nonwoven fabric can be formed by blending cotton in the process of forming a nonwoven fabric from various fibers as described above.
【００１８】トップシート１０を形成する不織布の目付
けとしては、18〜30g/m2が好ましい。18g/m2以下である
と、紙おむつ１００の使用者の動きによって吸収性が低
下することがあるからである。また、30g/m2以上である
と、不織布製造における操業性の低下や、製造コストが
嵩む等が考えられるためである。The basis weight of the non-woven fabric forming the top sheet 10 is preferably 18 to 30 g / m 2 . When it is 18 g / m 2 or less, the absorbency may be lowered due to the movement of the user of the diaper 100. Further, when it is 30 g / m 2 or more, it is considered that the operability in the production of the nonwoven fabric is lowered and the production cost is increased.
【００１９】また、トップシート１０を形成する不織布
においては、尿等を吸収体３０側に浸透させるととも
に、例えば尿等で濡れた際のべたつきを低減させるなど
のため、親水性の素材には適切な程度に疎水加工や撥水
加工等を施すか、或いは、疎水性素材の場合、部分的に
親水化処理を施すなど、適宜加工を施すことが好まし
い。このような加工は、上記の方法により繊維を絡合し
て形成した不織布に公知の加工方法を施して行うことが
できる。In addition, in the non-woven fabric forming the top sheet 10, urine or the like is permeated to the side of the absorber 30 and stickiness when wet with urine or the like is reduced. It is preferable to perform appropriate processing such as performing hydrophobic processing or water repellent processing to some extent, or in the case of a hydrophobic material, partially performing hydrophilic processing. Such processing can be performed by applying a known processing method to the non-woven fabric formed by entanglement of fibers by the above method.
【００２０】さらに、トップシート１０を形成する不織
布には、不織布表面から繊維の先端が毛羽立たないよう
に加工して、表面を滑らかにする（以下、スムース加
工、と記載する）。不織布表面から繊維先端が毛羽立た
ないように加工するとは、不織布を構成する繊維の先端
が不織布表面から突出していない状態にすることであ
る。スムース加工としては、本実施の形態では、不織布
表面に圧力を加えることにより、不織布表面に毛羽立つ
繊維を不織布表面に寝かせるように押え付ける方法で行
う。繊維を不織布表面に寝かせる角度としては、45度以
下にすると、感触が滑らかとなるため好ましい。不織布
表面に圧力を加える方法としては、不織布をローラーの
間に挟み込んで表裏両面から圧力を加える方法が挙げら
れる。例えば図３（ａ）に示すように、二本のローラー
Ｒ，Ｒの間に不織布７０挟む（スムース加工前の不織布
７０ａ、加工後７０ｂ）方法や、或いは不織布表面にロ
ーラーを転がす方法等で行うことができる。このような
不織布表面にローラーを転がすスムース加工により、図
３（ｂ）、（ｃ）に示すように、不織布表面で毛羽立っ
た繊維Ａが不織布表面で押え込まれる。そして図３
（ｃ）に示すように、不織布表面は毛羽立ちが押えられ
て滑らかとなり、摩擦抵抗が小さく、感触のよい不織布
となる。Further, the non-woven fabric forming the top sheet 10 is processed so that the tips of the fibers do not fluff from the non-woven fabric surface to smooth the surface (hereinafter referred to as smoothing). The processing to prevent the fiber tips from fluffing from the surface of the nonwoven fabric means that the tips of the fibers forming the nonwoven fabric do not protrude from the surface of the nonwoven fabric. In the present embodiment, smoothing is performed by applying pressure to the surface of the non-woven fabric to hold fibers fluffing on the non-woven fabric surface so that the fibers lie on the non-woven fabric surface. The angle at which the fibers are laid on the surface of the non-woven fabric is preferably 45 degrees or less because the feel is smooth. As a method of applying pressure to the surface of the non-woven fabric, a method of sandwiching the non-woven fabric between rollers and applying pressure from both front and back surfaces can be mentioned. For example, as shown in FIG. 3 (a), it is carried out by a method of sandwiching the nonwoven fabric 70 between two rollers R, R (nonwoven fabric 70a before smoothing, 70b after processing), or by rolling the roller on the surface of the nonwoven fabric. be able to. As shown in FIGS. 3B and 3C, the fibers A fluffed on the surface of the non-woven fabric are pressed by the surface of the non-woven fabric by the smoothing process of rolling a roller on the surface of the non-woven fabric. And Figure 3
As shown in (c), the surface of the non-woven fabric is smoothed by the fluffing being suppressed, and the non-woven fabric has a small friction resistance and a good feel.
【００２１】ＳＭＳ不織布など３層構造の不織布を形成
してスムース加工を施す一連の製造工程としての一例
を、図４に示す。まず２１０で示す機構により、３種の
不織布２１１，２１２，２１３を重ね合わせた後、エア
スルー部２２０でエアスルー処理を施す。その後、形成
された３層の不織布を、スムース加工部２３０に導出す
る。スムース加工部２３０では、表面が平滑で、且つ所
定の温度にされた熱ローラー２３１，２３２が備えら
れ、これらの間に不織布を通して熱溶融することによ
り、表面から突出する繊維先端が寝かされるように押え
込まれる。スムース加工部２３０を通過した不織布は、
図３（ｄ）に示すように、突出繊維のない表面の滑らか
な不織布となる。そして、スムース加工を施した後の不
織布を、巻き取り部２４０で巻き取る。このスムース加
工において、熱ローラー２３１，２３２は、120〜130℃
に過熱されていることが好ましい。120℃未満とする
と、繊維の熱溶融効果が弱く、不織布表面に押え込む効
果が弱くなるからである。また、130℃以上とすると、
熱溶融効果が大きく、繊維同士の接着範囲が広くなり、
水分の透過性効果が損われるからである。FIG. 4 shows an example of a series of manufacturing steps in which a nonwoven fabric having a three-layer structure such as an SMS nonwoven fabric is formed and smoothed. First, three types of non-woven fabrics 211, 212, and 213 are superposed by a mechanism indicated by 210, and then air through processing is performed in the air through portion 220. After that, the formed three-layer nonwoven fabric is led out to the smoothing portion 230. The smoothing part 230 is provided with heat rollers 231 and 232 each having a smooth surface and having a predetermined temperature. A nonwoven fabric is interposed between the heat rollers 231 and 232 so that the fiber tips protruding from the surface are laid down. It is pressed down. The non-woven fabric that has passed through the smooth processing section 230 is
As shown in FIG. 3D, the non-woven fabric has a smooth surface and has no protruding fibers. Then, the non-woven fabric after the smoothing process is wound up by the winding section 240. In this smooth processing, the heat rollers 231 and 232 are 120 to 130 ° C.
It is preferably overheated. If the temperature is lower than 120 ° C, the heat-melting effect of the fiber is weak and the effect of pressing the fiber onto the surface of the non-woven fabric is weak. Also, if the temperature is 130 ° C or higher,
The heat-melting effect is great, the bonding range between fibers is wide,
This is because the moisture permeability effect is impaired.
【００２２】尚、スムース加工を含む不織布の製造方法
は、多層構造以外の不織布の製造や、エアスルー方式以
外の不織布製造・加工工程に適用してもよい。スムース
加工を、不織布の製造・加工工程中に適用することで、
表面の滑らかな、感触のよい不織布を製造することがで
きる。尚、スムース加工は、上記のように不織布に疎水
加工等施した後の最終段階で実施してもよく、また繊維
を絡合させた後、様々な加工を施す途中段階で行っても
よい。The method for producing a non-woven fabric including smoothing may be applied to the production of a non-woven fabric having a non-multilayer structure or a non-air-through non-woven fabric production / processing step. By applying smooth processing during the manufacturing and processing of non-woven fabrics,
A non-woven fabric having a smooth surface and a good feel can be produced. The smoothing process may be carried out at the final stage after the non-woven fabric is subjected to the hydrophobic process or the like as described above, or may be carried out in the middle stage of various processes after the fibers are entangled.
【００２３】またスムース加工の方法として、板等の二
つの面で不織布を挟む方法等で行ってもよい。また、毛
羽立った不織布表面の繊維Ａをカットして、不織布表面
から突出する繊維先端を極めて短くすることにより、不
織布表面を滑らかにする方法であってもよい。このよう
な加工によっても、肌で触れた時の感触が滑らかな不織
布を形成できる。不織布表面の繊維Ａをカットして短く
する長さとしては、20〜60mmとすると、不織布表面の感
触が滑らかとなるので好ましい。As a smoothing method, a non-woven fabric may be sandwiched between two surfaces such as a plate. Alternatively, a method of smoothing the surface of the non-woven fabric by cutting the fibers A on the fluffy non-woven fabric surface to make the fiber tip protruding from the non-woven fabric surface extremely short may be used. By such processing, it is possible to form a non-woven fabric having a smooth feel when touched by the skin. It is preferable that the length of the fiber A on the surface of the non-woven fabric to be cut and shortened is 20 to 60 mm because the non-woven fabric surface feels smooth.
【００２４】トップシート１０の不織布の摩擦抵抗とし
ては、摩擦係数の平均偏差（MMD値）において、MD（Mac
hine Direction）は0.01〜0.50、ＣＤ（Cross Directio
n）は0.01〜0.70であることが望ましい。MMD値がこれら
の値より大きいと、滑らかさが小さくなり、不織布と接
触する皮膚等が擦られて、赤くなるなど、紙おむつ１０
０として使用される際の使用感が悪くなることがあるか
らである。The friction resistance of the nonwoven fabric of the top sheet 10 is MD (Mac) in the average deviation (MMD value) of the friction coefficient.
hine Direction) is 0.01 to 0.50, CD (Cross Directio)
It is desirable that n) be 0.01 to 0.70. If the MMD value is larger than these values, the smoothness becomes small, and the skin or the like that comes into contact with the non-woven fabric is rubbed to become red and the diaper 10
This is because the feeling of use when used as 0 may deteriorate.
【００２５】防水フィルム（図示略）は、PE等の不透液
性フィルム（または疎水加工、撥水加工の施されたフィ
ルム等）によって形成される。この防水フィルムは、製
造時、樹脂原料に炭酸カルシウム等を添加することによ
り、シート内に空隙を形成させた多孔性フィルムであっ
て、また疎水加工もしくは撥水加工が施され、通気性を
有する防水フィルムとしての性能を果たすようになって
いる。防水フィルムは、吸収体３０の裏面側を覆い、ト
ップシート１０との間で吸収体３０を挟み込むように備
えられる。また、防水フィルムの両側部は側方に延出し
ており、後述するように、当該両側部に沿ってギャザー
シート４０が設けられるようになっている。これらのト
ップシート１０と、防水フィルムと、吸収体３０とで構
成される部分を、吸収部３５とする。The waterproof film (not shown) is formed of a liquid impermeable film such as PE (or a film that has been subjected to hydrophobic processing or water repellent processing). This waterproof film is a porous film in which voids are formed in the sheet by adding calcium carbonate or the like to a resin raw material at the time of manufacturing, and is also hydrophobically processed or water repellent processed to have breathability. It is designed to perform as a waterproof film. The waterproof film covers the back surface side of the absorbent body 30 and is provided so as to sandwich the absorbent body 30 with the top sheet 10. Further, both sides of the waterproof film extend laterally, and as will be described later, the gather sheet 40 is provided along the both sides. The portion composed of the top sheet 10, the waterproof film, and the absorber 30 is referred to as an absorbing portion 35.
【００２６】ギャザーシート４０は、ポリプロピレン
（PP）、ポリエチレン（PE）、ナイロン、ポリエステル
（PET等）、アクリル等の繊維、またはPE /PP混合不織
布、PE/PET混合不織布など、上記素材を適宜組み合わせ
たバイコンポーネント繊維（混合繊維）等を用いて製造
されたエアスルー不織布で形成される。尚、ギャザーシ
ート４０を形成する不織布においては、疎水性または撥
水性が高いほうが、尿等の漏れ防止に効果的であるの
で、疎水性または撥水性の高い素材を用いるか、疎水加
工または撥水加工の施された不織布を用いることが望ま
しい。The gather sheet 40 is a fiber such as polypropylene (PP), polyethylene (PE), nylon, polyester (PET, etc.), acrylic fiber, or PE / PP mixed non-woven fabric, PE / PET mixed non-woven fabric, etc. It is formed of an air-through non-woven fabric manufactured by using bicomponent fibers (mixed fibers). In the non-woven fabric forming the gather sheet 40, it is more effective to prevent leakage of urine etc. if the hydrophobicity or water repellency is higher, so use a material with high hydrophobicity or water repellency, or use hydrophobic treatment or water repellency. It is desirable to use a processed non-woven fabric.
【００２７】また、上記のようなスムース加工を施した
（好ましくは摩擦抵抗としてMMD値0.8以下となるように
加工された）不織布で製造すれば、感触が滑らかとな
り、紙おむつ１００の使用感が良好となる。Further, when it is manufactured from a non-woven fabric which has been smoothed as described above (preferably processed to have an MMD value of 0.8 or less as a frictional resistance), the feel is smooth and the diaper 100 is comfortable to use. Becomes
【００２８】ギャザーシート４０は長く形成され、防水
フィルムの両側方のそれぞれに沿って一つずつ、合計二
つ備えられる。ギャザーシート４０は、防水フィルムの
側部の表裏面に亘って、防水フィルムを挟み込むように
して貼り合わされ、トップシート１０側に張り出すよう
に設けられる。そしてギャザーシート４０のトップシー
ト１０側に延出した側端部４１，４１に沿って、糸ゴム
４３…が備えられるとともに、両端部４０ａ…が折り返
されて、トップシート１０上にそれぞれ固着される。こ
のような構成によって、ギャザーシート４０は吸収体３
０の両側部からトップシート１０側に起立して、立体ギ
ャザーを形成するようになっている。The gather sheets 40 are formed to be long, and two gather sheets are provided, one on each side of the waterproof film. The gather sheet 40 is attached so as to sandwich the waterproof film across the front and back surfaces of the side portions of the waterproof film, and is provided so as to project to the top sheet 10 side. Thread rubbers 43 are provided along the side end portions 41 of the gather sheet 40 extending toward the top sheet 10, and both end portions 40a are folded back and fixed onto the top sheet 10, respectively. . With such a configuration, the gather sheet 40 is used as the absorber 3
The three-dimensional gather is formed by standing up from both sides of 0 toward the top sheet 10.
【００２９】バックシート２０は、不透液性不織布で形
成される。この不透液性不織布は、ポリプロピレン（P
P）、ポリエチレン（PE）、ナイロン、ポリエステル（P
ET等）、アクリル等や、またPE /PP混合不織布、PE /PE
T混合不織布など上記素材を適宜組み合わせたバイコン
ポーネント繊維（混合繊維）等の繊維性素材を用いて、
トップシート１０と同様の製法によって製造することが
できる。尚、バックシート２０は、不透液性とするた
め、疎水性または撥水性の高い素材で形成することが望
ましく、また、不織布には疎水性または撥水性を高くす
る加工を施す。バックシート２０を形成する不透液性不
織布においても、スムース加工を施した（好ましくはMM
D値において、MDが0.01〜0.50、ＣＤが0.01〜0.70とな
るように加工された）不織布で製造すれば、感触が滑ら
かとなり、紙おむつ１００の使用感が良好となる。The back sheet 20 is formed of a liquid impermeable nonwoven fabric. This liquid-impervious nonwoven fabric is made of polypropylene (P
P), polyethylene (PE), nylon, polyester (P
ET etc.), acrylic etc., also PE / PP mixed non-woven fabric, PE / PE
Using a fibrous material such as bi-component fiber (mixed fiber) that is an appropriate combination of the above materials such as T-mixed nonwoven
It can be manufactured by the same manufacturing method as the top sheet 10. Since the back sheet 20 is liquid impermeable, it is desirable that the back sheet 20 is formed of a material having high hydrophobicity or water repellency, and the non-woven fabric is processed to have high hydrophobicity or water repellency. The liquid-impermeable non-woven fabric forming the back sheet 20 is also smoothed (preferably MM).
When the nonwoven fabric is processed so that the MD is 0.01 to 0.50 and the CD is 0.01 to 0.70 in the D value, the feel is smooth and the diaper 100 is comfortable to use.
【００３０】バックシート２０において使用時の人体側
には、ギャザー押えシート２７が貼り合わされる。ギャ
ザー押えシート２７は、バックシート２０と同様の繊維
性素材を用いて、トップシート１０と同様の製法によっ
て製造された繊維性不織布で形成される。またギャザー
押えシート２７を、スムース加工を施した（好ましくは
MMD値において、MDが0.01〜0.50、ＣＤが0.01〜0.70と
なるように加工された）不織布で製造すれば、感触が滑
らかとなり、紙おむつ１００の使用感が良好となり好ま
しい。A gather pressing sheet 27 is attached to the human body side of the back sheet 20 when in use. The gather pressing sheet 27 is formed of a fibrous nonwoven fabric manufactured by using the same fibrous material as that of the back sheet 20 and the same manufacturing method as that of the top sheet 10. Further, the gather pressing sheet 27 is smoothed (preferably
It is preferable to use a non-woven fabric that has been processed so that the MD is 0.01 to 0.50 and the CD is 0.01 to 0.70 in terms of the MMD value.
【００３１】バックシート２０とギャザー押えシート２
７とには、紙おむつ１００の使用時、着用者の前胴周り
から両脚の間を通り後胴周り部２０ｃに亘る位置を覆う
ように、前胴周り部２０ａと、股下部２０ｂと、後胴周
り部２０ｃと、が形成されている。前胴周り部２０ａと
後胴周り部２０ｃとは、股下部２０ｂよりも幅広く形成
され、紙おむつ１００を形成する際には、前胴周り部２
０ａの側端部と後胴周り部２０ｃの側端部が、それぞれ
固着されて、パンツ型の形状を形成するようになってい
る。Back sheet 20 and gather holding sheet 2
7 includes a front waist region 20a, a crotch region 20b, and a rear waist region so as to cover a position of the wearer when using the diaper 100, passing through between the front waist region of the wearer and the legs and extending to the rear waist region 20c. A surrounding portion 20c is formed. The front waistline portion 20a and the rear waistline portion 20c are formed wider than the crotch portion 20b, and when forming the disposable diaper 100, the front waistline portion 2 is formed.
The side end of 0a and the side end of the rear waistline portion 20c are fixed to each other to form a pants-type shape.
【００３２】バックシート２０とギャザー押えシート２
７との間においては、前胴周り部２０ａと、後胴周り部
２０ｃとに、それぞれ複数本の糸ゴム２１，２２が挟み
込まれて接着剤等で固着されている。これらの糸ゴム２
１，２２により、紙おむつ１００は、使用時に、着用者
の胴周りおよび腰周りで伸縮自在となるように構成され
る。Back sheet 20 and gather pressing sheet 2
7, a plurality of rubber threads 21 and 22 are sandwiched between the front waistline portion 20a and the rear waistline portion 20c and fixed by an adhesive or the like. These thread rubber 2
The disposable diaper 100 is configured to be stretchable around the wearer's torso and waist when using the diaper 100.
【００３３】バックシート２０のギャザー押えシート２
７側には、股下部２０ｂを中心として前胴周り部２０ａ
および後胴周り部２０ｃに延在するように、吸収部３５
が備えられるようになっており、吸収部３５の裏面側の
防水フィルム全体がバックシート２０に固着される。ま
た、股下部２０ｂには、両側部などに適宜糸ゴム２３…
が備えられ、紙おむつ１００使用時に着用者にフィット
させることができるようになっている。これらのトップ
シート１０と吸収体３０とを含む吸収部３５と、バック
シート２０とで、おむつ本体が構成される。また、バッ
クシート２０の前胴周り部２０ａと後胴周り部２０ｃと
で形成される部分を、紙おむつ１００の胴周り部とす
る。Gathering presser sheet 2 of back sheet 20
On the 7 side, the front waist region 20a is centered around the crotch part 20b.
And the absorbing portion 35 so as to extend to the rear waist portion 20c.
The entire waterproof film on the back surface side of the absorbing portion 35 is fixed to the back sheet 20. The crotch portion 20b has thread rubbers 23 ...
Is provided so that it can be fitted to the wearer when the diaper 100 is used. The absorbent portion 35 including the top sheet 10 and the absorber 30 and the back sheet 20 form a diaper body. Further, a portion formed by the front waistline portion 20a and the back waistline portion 20c of the backsheet 20 is referred to as a waistline portion of the disposable diaper 100.
【００３４】胴周り漏れ防止シート５０は、おむつ本体
のトップシート側において、前胴周り部２０ａの端部２
０ａａと後胴周り部２０ｃの端部２０ｃａそれぞれか
ら、吸収体３０の端部３０ａ，３０ｂ上を覆う位置にか
けて、合計二つ設けられる。胴周り漏れ防止シート５０
は、ギャザー押えシート２７の前胴周り部２０ａまたは
後胴周り部２０ｃのそれぞれに固着されるとともに、吸
収部３５の端部上を覆う箇所５０ａ，５０ｂは固着され
ずに自由端部とされ、吸収部３５の端部３０ａ，３０ｂ
上にポケットを形成する。このような構成により、胴周
り漏れ防止シート５０は、紙おむつ１００使用時に、尿
等が、着用者の前胴周りおよび後胴周りの部分から漏れ
出すことを防止するようになっている。The waist leakage preventive sheet 50 is provided at the end 2 of the front waist portion 20a on the top sheet side of the diaper body.
0 aa and the end portion 20 ca of the rear waistline portion 20 c, and a total of two pieces are provided from the position covering the end portions 30 a and 30 b of the absorber 30. Waist around leak prevention sheet 50
Is fixed to each of the front waistline portion 20a or the rear waistline portion 20c of the gather pressing sheet 27, and the portions 50a and 50b covering the end portion of the absorbing portion 35 are not fixed and are free end portions. Ends 30a and 30b of the absorbing portion 35
Form a pocket on top. With such a configuration, the waist leakage prevention sheet 50 prevents urine and the like from leaking out from the wearer's front waist region and rear waist region when the diaper 100 is used.
【００３５】胴周り漏れ防止シート５０は、疎水性また
は撥水性の高い不織布を用いて形成される。この不透液
性不織布は、バックシート２０と同様の繊維性素材を用
いて、トップシート１０と同様の製法によって製造する
ことができるが、スパンボンド法で製造されるポロプロ
ピレン不織布、PE/PP混合不織布、ポリエチレン／ポリ
エチレンテレフタレート混合不織布、またはこれらの混
綿を用いると、柔らかい胴周り漏れ防止シート５０を形
成できる。また胴周り漏れ防止シート５０は、疎水性ま
たは撥水性の高い素材で形成することが望ましく、不織
布に疎水性または撥水性を高くする加工を施すことが望
ましい。さらに、胴周り漏れ防止シート５０を形成する
不織布においても、トップシート１０と同様に、綿を含
む（好ましくは3.0％未満含む）不織布で形成すると、
感触が柔らかくなり好ましい。また、ローラーにより圧
力を加えるスムース加工を施した不織布（好ましくはMM
D値において、MDが0.01〜0.50、ＣＤが0.01〜0.70の不
織布）で製造すれば、感触が滑らかとなり、紙おむつ１
００の使用感が良好となる。The waist leakage prevention sheet 50 is formed by using a non-woven fabric having high hydrophobicity or high water repellency. This liquid-impervious nonwoven fabric can be manufactured by using the same fibrous material as the back sheet 20 and by the same manufacturing method as that of the top sheet 10, but it is manufactured by the spunbonding method. By using a mixed non-woven fabric, a polyethylene / polyethylene terephthalate mixed non-woven fabric, or a mixed cotton of these, the soft waist leakage preventing sheet 50 can be formed. Further, the waist leakage prevention sheet 50 is preferably formed of a material having high hydrophobicity or water repellency, and it is desirable that the nonwoven fabric is subjected to processing for increasing hydrophobicity or water repellency. Further, also in the non-woven fabric forming the waist leakage prevention sheet 50, when the non-woven fabric containing cotton (preferably less than 3.0%) is formed like the top sheet 10,
It is preferable because it gives a soft feel. Also, a non-woven fabric that has been smoothed by applying pressure with a roller (preferably MM
A non-woven fabric with a MD value of 0.01 to 0.50 and a CD value of 0.01 to 0.70) will give a smooth feel and a disposable diaper 1
A feeling of use of 00 is good.
【００３６】これらの部材で構成される紙おむつ１００
においては、上記構成部材を構成する不織布全てに、ス
ムース加工が施されるか、或いは綿が配合された不織布
を用いると、感触が滑らかになり、或いは柔らかくなる
ので好ましいが、上記構成部材の一部のみスムース加工
を施す、或いは綿が配合された不織布で形成するように
してもよい。紙おむつ１００使用時に着用者の肌に直接
接触することが多い部分は、特にスムース加工や、綿が
配合された不織布で形成することが望ましく、特にトッ
プシート１０は、略全面が着用者の肌に接触するため、
綿が配合された不織布にスムース加工を施したものを用
いることが望ましい。A disposable diaper 100 composed of these members
In the above, it is preferable to apply a smoothing process to all the non-woven fabrics constituting the above-mentioned constituent members or use a non-woven fabric in which cotton is blended, because the feel becomes smooth or soft, but Only the portion may be smoothed, or may be formed of a non-woven fabric containing cotton. It is desirable that the portion that often comes into direct contact with the skin of the wearer when using the disposable diaper 100 is formed by smoothing or a non-woven fabric containing cotton, and in particular, the top sheet 10 has substantially the entire surface of the wearer's skin. To contact,
It is desirable to use a non-woven fabric containing cotton that has been smoothed.
【００３７】以上の本発明にかかる紙おむつ１００によ
れば、トップシート１０、胴周り漏れ防止シート５０
を、綿が配合された不織布を用いて構成すれば、不織布
の感触が柔らかくなるので、感触が良好となる。また、
これらの不織布に、スムース加工を施すことにより、感
触の滑らかな紙おむつ１００を形成できる。従って、紙
おむつ１００と接触する肌が擦られること等を低減する
ことができ、感触がよく使用感の良い紙おむつ１００を
形成することができる。According to the above-described disposable diaper 100 of the present invention, the top sheet 10 and the waist leakage preventing sheet 50 are provided.
If a non-woven fabric containing cotton is used, the non-woven fabric will have a soft feel, and thus the feel will be good. Also,
By smoothing these non-woven fabrics, a paper diaper 100 having a smooth feel can be formed. Therefore, it is possible to reduce the rubbing of the skin that comes into contact with the disposable diaper 100, and it is possible to form the disposable diaper 100 that has a good feel and a good usability.
【００３８】なお、本発明は、上記実施の形態に限定さ
れるものではない。例えば、本発明の使い捨て紙おむつ
は、使用者の両脇で、前胴周り部と後胴周り部とを着脱
させて使用するタイプの紙おむつに適用しても良い。ま
た、胴周り漏れ防止シートを備えずに構成される紙おむ
つに、本発明を適用することも勿論可能である。The present invention is not limited to the above embodiment. For example, the disposable diaper of the present invention may be applied to a type of diaper that is used by attaching and detaching the front waist region and the back waist region on both sides of the user. Further, it is of course possible to apply the present invention to a disposable diaper configured without a waist leakage prevention sheet.
【００３９】[0039]
【発明の効果】本発明によれば、使い捨て紙おむつの素
材に綿が配合された不織布を用いることにより、化学合
成繊維等のみで形成される不織布に比べて柔らかくする
ことができることとなって、感触のよい紙おむつを形成
できる。また、肌に触れる面の繊維先端が毛羽立たない
ように加工された不織布は、表面が滑らかで、摩擦力が
小さい。従って、このような加工が施された不織布を用
いることにより、肌に触れた際の感触がよく、また不織
布と接触する皮膚等が擦られることを防止でき、使用感
の良好な紙おむつを形成できる。EFFECTS OF THE INVENTION According to the present invention, by using a non-woven fabric in which cotton is blended in the material of a disposable diaper, it is possible to make it softer than a non-woven fabric formed only of chemically synthetic fibers and the like. A good-quality disposable diaper can be formed. In addition, the non-woven fabric processed so that the fiber tip of the surface that comes into contact with the skin does not fluff has a smooth surface and a small frictional force. Therefore, by using a non-woven fabric that has been subjected to such processing, it is possible to form a paper diaper that has a good feel when touching the skin, and that it is possible to prevent the skin or the like that comes into contact with the non-woven fabric from being rubbed and that the usability is good. .
【図１】本発明を適用した使い捨て紙おむつの一例を示
す斜視図である。FIG. 1 is a perspective view showing an example of a disposable paper diaper to which the present invention is applied.
【図２】図１の使い捨て紙おむつを、両脇で切り開いて
展開した様子を示す平面図である。FIG. 2 is a plan view showing a state in which the disposable paper diaper of FIG. 1 is cut open on both sides and developed.
【図３】（ａ）は、不織布に２本のローラーで圧力を加
えるスムース加工を示す側面図であり、（ｂ）は加工前
の毛羽立った不織布表面、（ｃ）は加工処理の様子、
（ｄ）は加工後の不織布表面を示す側面図である。FIG. 3A is a side view showing a smoothing process in which pressure is applied to a nonwoven fabric by two rollers, FIG. 3B is a fluffed nonwoven fabric surface before processing, and FIG.
(D) is a side view showing the nonwoven fabric surface after processing.
【図４】スムース加工を含む不織布の製造機構の一例を
示す概略構成図である。FIG. 4 is a schematic configuration diagram showing an example of a non-woven fabric manufacturing mechanism including smoothing.
１０ トップシート（紙おむつ本体） ２０ バックシート（紙おむつ本体） ２０ａ 前胴周り部（胴周り部） ２０ｂ 股下部 ２０ｃ 後胴周り部（胴周り部） ２７ ギャザー押えシート ３０ 吸収体（紙おむつ本体） ３５ 吸収部 ４０ ギャザーシート ５０ 胴周り漏れ防止シート ７０ 不織布 １００ 紙おむつ（使い捨て紙おむつ） Ｒ ローラー 10 top sheet (paper diaper body) 20 Back sheet (paper diaper body) 20a Front waist area (waist area) 20b crotch 20c Rear waist area (waist area) 27 Gathering foot sheet 30 Absorber (paper diaper body) 35 Absorber 40 gathered sheet 50 Waist around leak prevention sheet 70 non-woven fabric 100 disposable diapers (disposable disposable diapers) R roller
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） Ｄ０６Ｃ 15/08 Ｆターム(参考） 3B029 BB07 BB08 BC07 BD09 BD12 BD14 3B154 AA02 AA07 AA08 AA18 AB22 BA35 BB02 BB12 DA07 4C098 AA09 CC03 CC05 CC12 CE05 CE06 CE07 CE13 DD10 DD23 DD25 DD26 4L047 AA08 AA14 AA17 AA21 AA23 AA28 AB02 CA05 CB01 CC04Front page continuation (51) Int.Cl. 7 Identification code FI theme code (reference) D06C 15/08 F term (reference) 3B029 BB07 BB08 BC07 BD09 BD12 BD14 3B154 AA02 AA07 AA08 AA18 AB22 BA35 BB02 BB12 DA07 4C098 AA09 CC03 CC05 CC12 CE05 CE06 CE07 CE13 DD10 DD23 DD25 DD26 4L047 AA08 AA14 AA17 AA21 AA23 AA28 AB02 CA05 CB01 CC04
Claims (8)
クシートと、前記トップシートと前記バックシートとの
間に介装される吸収体と、を含むおむつ本体を備えた使
い捨て紙おむつにおいて、前記トップシートは、肌に触
れる面の繊維先端が毛羽立たないように加工された不織
布で形成されていることを特徴とする使い捨て紙おむ
つ。1. A disposable diaper having a diaper body including a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed between the top sheet and the back sheet. In the disposable diaper, the top sheet is formed of a non-woven fabric that is processed so that the fiber tips of the surface that comes into contact with the skin do not fluff.
れた不織布は、当該不織布を構成する繊維先端のうち当
該不織布表面から突出した部分が、前記不織布表面上に
寝かされるように押え付けられていることを特徴とする
請求項１に記載の使い捨て紙おむつ。2. The non-woven fabric processed so that the fiber tips are not fluffed, and a portion of the fiber tips constituting the non-woven fabric protruding from the non-woven fabric surface is pressed down so as to lie on the non-woven fabric surface. The disposable paper diaper according to claim 1, wherein
布で形成されていることを特徴とする請求項１または２
に記載の使い捨て紙おむつ。3. The top sheet is formed of a non-woven fabric containing cotton.
The disposable paper diaper described in.
クシートと、前記トップシートと前記バックシートとの
間に介装される吸収体と、を含むおむつ本体を備えた使
い捨て紙おむつにおいて、 前記バックシートは、肌に触れる面の繊維先端が毛羽立
たないように加工された不織布で形成されていることを
特徴とする使い捨て紙おむつ。4. A disposable diaper provided with a diaper body including a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed between the top sheet and the back sheet. In the disposable diaper, the back sheet is formed of a non-woven fabric that is processed so that the fiber tips of the surface that comes into contact with the skin do not fluff.
クシートと、前記トップシートと前記バックシートとの
間に介装される吸収体と、を含むおむつ本体と、 前記トップシート側に起立する立体ギャザーを構成する
ギャザーシートと、 を備えた使い捨て紙おむつにおいて、 前記ギャザーシートは、肌に触れる面の繊維先端が毛羽
立たないように加工された不織布で形成されていること
を特徴とする記載の使い捨て紙おむつ。5. A diaper body including a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed between the top sheet and the back sheet, and the top sheet. In a disposable paper diaper provided with a gather sheet that constitutes a three-dimensional gather that stands up to the side, the gather sheet is formed by a non-woven fabric that is processed so that the fiber tip of the surface that comes into contact with the skin does not fluff. Disposable disposable diaper described.
周り部を覆う胴周り漏れ防止シートを備え、 前記胴周り漏れ防止シートは、肌に触れる面の繊維先端
が毛羽立たないように加工された不織布で形成されてい
ることを特徴とする請求項１〜５の何れかに記載の使い
捨て紙おむつ。6. A waist leakage-preventing sheet that covers a waist portion of the main body of the diaper on the side of the top sheet, wherein the waist leakage-preventing sheet is processed so that a fiber tip on a surface that comes into contact with skin does not fluff. The disposable paper diaper according to any one of claims 1 to 5, which is formed of a non-woven fabric.
周り漏れ防止シートを備え、 前記胴周り漏れ防止シートは、ポロプロピレン不織布、
ポリエチレン／ポリプロピレン混合不織布、ポリエチレ
ン／ポリエチレンテレフタレート混合不織布、またはこ
れらの混綿で構成されていることを特徴とする請求項１
〜６の何れかに記載の使い捨て紙おむつ。7. A waist leakage preventing sheet for covering the absorbent article end portion on the side of the top sheet, wherein the waist leakage preventing sheet is a polypropylene non-woven fabric,
A polyethylene / polypropylene mixed non-woven fabric, a polyethylene / polyethylene terephthalate mixed non-woven fabric, or a cotton blend thereof, characterized in that
The disposable paper diaper according to any one of to 6.
いように加工された不織布は、前記肌と接する面をロー
ラーにより圧力をかけて加工したものであることを特徴
とする請求項１〜７の何れかに記載の使い捨て紙おむ
つ。8. The non-woven fabric processed so that the fiber tips of the surface in contact with the skin are not fluffed, and the surface in contact with the skin is processed by applying pressure with a roller. 7. The disposable paper diaper according to any of 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002071920A JP3735305B2 (en) | 2002-03-15 | 2002-03-15 | Non-woven fabric manufacturing method and disposable paper diaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002071920A JP3735305B2 (en) | 2002-03-15 | 2002-03-15 | Non-woven fabric manufacturing method and disposable paper diaper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003265528A true JP2003265528A (en) | 2003-09-24 |
| JP3735305B2 JP3735305B2 (en) | 2006-01-18 |
Family
ID=29202062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002071920A Expired - Fee Related JP3735305B2 (en) | 2002-03-15 | 2002-03-15 | Non-woven fabric manufacturing method and disposable paper diaper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3735305B2 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006233365A (en) * | 2005-02-25 | 2006-09-07 | Kao Corp | Nonwoven manufacturing method |
| JP2006233364A (en) * | 2005-02-25 | 2006-09-07 | Kao Corp | Non-woven |
| JP2006299480A (en) * | 2005-04-22 | 2006-11-02 | Kao Corp | Fiber sheet processing method |
| JP2007084966A (en) * | 2005-09-22 | 2007-04-05 | Kao Corp | Method for producing elastic nonwoven fabric |
| JP2007113164A (en) * | 2005-09-22 | 2007-05-10 | Kao Corp | Method for producing elastic nonwoven fabric |
| JP2011137247A (en) * | 2009-12-25 | 2011-07-14 | Kao Corp | Method for producing three-dimensionally formed nonwoven fabric |
| KR101094860B1 (en) | 2009-07-24 | 2011-12-20 | 서성교 | Disposable sanitary napkins with a leakproof structure |
| WO2017094755A1 (en) * | 2015-11-30 | 2017-06-08 | 大王製紙株式会社 | Absorbent article |
| JP2018059244A (en) * | 2016-10-06 | 2018-04-12 | 株式会社ダイセル | Gathering member for disposable diaper, disposable diaper, and method for manufacturing gathering member for disposable diaper |
| JPWO2021172475A1 (en) * | 2020-02-27 | 2021-09-02 | ||
| JP2021159670A (en) * | 2020-04-03 | 2021-10-11 | 花王株式会社 | Surface sheet for absorbent articles and absorbent articles provided with this |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0274653A (en) * | 1988-09-10 | 1990-03-14 | Asahi Chem Ind Co Ltd | Novel nonwoven fabric and production thereof |
| JPH0375056A (en) * | 1989-08-15 | 1991-03-29 | Kuraray Co Ltd | Facing of sanitary equipment |
| JPH07184947A (en) * | 1993-12-27 | 1995-07-25 | Daio Paper Corp | Disposable diaper |
| JPH07316964A (en) * | 1994-05-25 | 1995-12-05 | Kuraray Co Ltd | Nonwoven fabric for sanitary materials |
| JPH093755A (en) * | 1995-06-22 | 1997-01-07 | Daiwabo Co Ltd | Nonwoven fabric having unevenness on its surface and female member of surface fastener, and its production |
| JPH09310259A (en) * | 1996-05-23 | 1997-12-02 | Chisso Corp | Ultrafine fiber nonwoven fabric |
| JPH10251960A (en) * | 1997-03-10 | 1998-09-22 | Chisso Corp | Laminated non-woven fabric |
| JPH11290381A (en) * | 1998-04-06 | 1999-10-26 | Mitsui Chem Inc | Back sheet material for absorptive article |
-
2002
- 2002-03-15 JP JP2002071920A patent/JP3735305B2/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0274653A (en) * | 1988-09-10 | 1990-03-14 | Asahi Chem Ind Co Ltd | Novel nonwoven fabric and production thereof |
| JPH0375056A (en) * | 1989-08-15 | 1991-03-29 | Kuraray Co Ltd | Facing of sanitary equipment |
| JPH07184947A (en) * | 1993-12-27 | 1995-07-25 | Daio Paper Corp | Disposable diaper |
| JPH07316964A (en) * | 1994-05-25 | 1995-12-05 | Kuraray Co Ltd | Nonwoven fabric for sanitary materials |
| JPH093755A (en) * | 1995-06-22 | 1997-01-07 | Daiwabo Co Ltd | Nonwoven fabric having unevenness on its surface and female member of surface fastener, and its production |
| JPH09310259A (en) * | 1996-05-23 | 1997-12-02 | Chisso Corp | Ultrafine fiber nonwoven fabric |
| JPH10251960A (en) * | 1997-03-10 | 1998-09-22 | Chisso Corp | Laminated non-woven fabric |
| JPH11290381A (en) * | 1998-04-06 | 1999-10-26 | Mitsui Chem Inc | Back sheet material for absorptive article |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006233365A (en) * | 2005-02-25 | 2006-09-07 | Kao Corp | Nonwoven manufacturing method |
| JP2006233364A (en) * | 2005-02-25 | 2006-09-07 | Kao Corp | Non-woven |
| JP2006299480A (en) * | 2005-04-22 | 2006-11-02 | Kao Corp | Fiber sheet processing method |
| JP2007084966A (en) * | 2005-09-22 | 2007-04-05 | Kao Corp | Method for producing elastic nonwoven fabric |
| JP2007113164A (en) * | 2005-09-22 | 2007-05-10 | Kao Corp | Method for producing elastic nonwoven fabric |
| KR101094860B1 (en) | 2009-07-24 | 2011-12-20 | 서성교 | Disposable sanitary napkins with a leakproof structure |
| JP2011137247A (en) * | 2009-12-25 | 2011-07-14 | Kao Corp | Method for producing three-dimensionally formed nonwoven fabric |
| JP2017099558A (en) * | 2015-11-30 | 2017-06-08 | 大王製紙株式会社 | Absorbent articles |
| WO2017094755A1 (en) * | 2015-11-30 | 2017-06-08 | 大王製紙株式会社 | Absorbent article |
| JP2018059244A (en) * | 2016-10-06 | 2018-04-12 | 株式会社ダイセル | Gathering member for disposable diaper, disposable diaper, and method for manufacturing gathering member for disposable diaper |
| JPWO2021172475A1 (en) * | 2020-02-27 | 2021-09-02 | ||
| WO2021172475A1 (en) * | 2020-02-27 | 2021-09-02 | 花王株式会社 | Nonwoven fabric for absorbent article and absorbent article comprising same |
| CN115175648A (en) * | 2020-02-27 | 2022-10-11 | 花王株式会社 | Nonwoven fabric for absorbent article and absorbent article provided with same |
| CN115175648B (en) * | 2020-02-27 | 2023-08-25 | 花王株式会社 | Nonwoven fabric for absorbent article and absorbent article comprising same |
| JP7588633B2 (en) | 2020-02-27 | 2024-11-22 | 花王株式会社 | Nonwoven fabric for absorbent articles and absorbent articles comprising the same |
| JP2021159670A (en) * | 2020-04-03 | 2021-10-11 | 花王株式会社 | Surface sheet for absorbent articles and absorbent articles provided with this |
| JP7588472B2 (en) | 2020-04-03 | 2024-11-22 | 花王株式会社 | Top sheet for absorbent article and absorbent article including same |
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| Publication number | Publication date |
|---|---|
| JP3735305B2 (en) | 2006-01-18 |
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