JPH04322646A - Disposable diaper having breathing part - Google Patents
Disposable diaper having breathing partInfo
- Publication number
- JPH04322646A JPH04322646A JP3116540A JP11654091A JPH04322646A JP H04322646 A JPH04322646 A JP H04322646A JP 3116540 A JP3116540 A JP 3116540A JP 11654091 A JP11654091 A JP 11654091A JP H04322646 A JPH04322646 A JP H04322646A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- leak
- proof film
- absorbent core
- diaper
- 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.)
- Pending
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 title abstract 3
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 16
- 239000002250 absorbent Substances 0.000 claims description 42
- 230000002745 absorbent Effects 0.000 claims description 38
- 239000004745 nonwoven fabric Substances 0.000 claims description 22
- 210000002700 urine Anatomy 0.000 claims description 9
- 239000005871 repellent Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- -1 polyethylene Polymers 0.000 description 15
- 239000004698 Polyethylene Substances 0.000 description 13
- 229920000573 polyethylene Polymers 0.000 description 13
- 210000002414 leg Anatomy 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 210000003608 fece Anatomy 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000001015 abdomen Anatomy 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000282412 Homo Species 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000027939 micturition Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920000247 superabsorbent polymer Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は吸収性コアからの尿の逆
戻り（ウエットバック）を防止し、おむつと接触する肌
のしめり感、不快感を減少させる共にヒトより***され
た便を覆い隠すことができるポケット構造を有する使い
捨ておむつに関するもので、特に、おむつの股ぐり部分
に通気性を付与し、装着時の肌触りを良好にした使い捨
ておむつに関する。[Industrial Application Field] The present invention prevents the return of urine from the absorbent core (wet back), reduces the tightness and discomfort of the skin that comes into contact with the diaper, and also covers the feces excreted by humans. The present invention relates to a disposable diaper having a pocket structure that allows the diaper to be worn, and in particular to a disposable diaper that has breathability in the crotch portion of the diaper and feels good to the touch when worn.
【０００２】0002
【従来の技術とその問題点】最近、布おむつに代わり使
い捨ておむつが家庭に急速に普及してきている。その理
由の一つは、吸収性コアの***物の収容能力が大幅に改
良され、その便利性が知れ渡ったことにある。しかし従
来の製品は***物の漏れを防止する点並びにおむつに接
触する肌のしめり感、不快感を無くすという点では、い
まだに不十分なものである。[Prior Art and Its Problems] Recently, disposable diapers have been rapidly becoming popular in households in place of cloth diapers. One reason for this is that the absorbent core's waste storage capacity has been greatly improved and its convenience has become well known. However, conventional products are still insufficient in terms of preventing the leakage of excrement and eliminating the tightness and discomfort of the skin that comes into contact with the diaper.
【０００３】***物の漏れ防止についてはこれまでも多
くの提案がなされており、その一例が特開昭６２−２５
０２０１号公報等に開示されている。上記の使い捨てお
むつは、液体透過性のトップシ―トと液体不透過性のバ
ックシ―トとの間に吸収性コアが配置され、トップシ―
トの側縁に弾性収縮性のガスケットカフスとバリヤカフ
スと称する部材を有した使い捨ておむつである。この従
来のおむつでは、ギャザ寄せされた左右の弾性収縮性ガ
スケットカフスの内側に、別体のもう一組の弾性収縮性
のバリヤカフスを貼り付けることにより２重の立体ギャ
ザ（障壁）を形成させたものであって、ヒトの***物は
前記内側に立ち上げたバリヤカフスにより拘束保持しそ
の外側には越えないように工夫したものであり、前記の
２重の立体ギャザにより***物の漏出を減少または遅ら
せることを意図したものであった。[0003] Many proposals have been made to prevent the leakage of excreta, and one example is Japanese Patent Application Laid-open No. 62-25.
This is disclosed in Publication No. 0201 and the like. The disposable diaper described above has an absorbent core disposed between a liquid-permeable top sheet and a liquid-impermeable back sheet.
This disposable diaper has elastically contractible gasket cuffs and members called barrier cuffs on the side edges of the diaper. In this conventional diaper, a double three-dimensional gather (barrier) is formed by pasting another set of elastically contractible barrier cuffs on the inside of the gathered left and right elastically contractible gasket cuffs. Human excrement is restrained and retained by the barrier cuffs set up on the inside, and is designed to prevent it from exceeding the outside, and the double three-dimensional gathers reduce or prevent the leakage of excrement. It was intended to be delayed.
【０００４】しかしながら上記のおむつは、吸収性コア
に吸収された尿がトップシ―トに逆戻りしてトップシ―
トの端から腹または背中側に滲み漏れ出るという欠点が
あり、その上、排尿後、親水性のトップシ―トが肌にベ
ッタリと広く接触するために、着用者にしめり感、不快
感を感ずるという不具合を免れなかった。[0004] However, in the above diaper, urine absorbed by the absorbent core returns to the top sheet.
It has the disadvantage that it leaks from the edge of the top to the abdomen or back, and on top of that, after urinating, the hydrophilic top sheet comes into close contact with the skin, causing the wearer to feel tightness and discomfort. I couldn't escape this problem.
【０００５】また上記のおむつは、製造加工の際に、ガ
スケットカフスとバリヤカフスをその各端縁部に取り付
けた弾性エラスチック部材により立ち上げて立体ギャザ
を形成するものである。したがって、上記のカフス内に
弾性エラスチック部材を取り付けるために、各カフス端
縁を折り返してトンネル状になし、そのトンネル内部に
前記の弾性エラスチック部材を伸長状態に封じ込んで接
着固定する必要があった。このカフス端縁の折り返し操
作と、前記端縁に弾性エラスチック部材を伸長状態に封
じ込んで接着固定する操作は、手間が掛かり機械的に複
雑な操作であるため、加工処理上の大きな障害となり円
滑な操業が成し得ない。そればかりか、上記一対のガス
ケットカフスの内側に、もう一対のバリヤカフスを貼り
付ける手間がかかるので、この点でも製造効率が悪いと
いう欠点がある。[0005] Further, during manufacturing and processing of the above diaper, the gasket cuffs and the barrier cuffs are raised by elastic members attached to their respective edges to form three-dimensional gathers. Therefore, in order to attach the elastic member inside the cuff, it was necessary to fold back the edge of each cuff to form a tunnel, and to seal the elastic member in a stretched state inside the tunnel and fix it with adhesive. . This operation of folding back the edge of the cuff and the operation of enclosing the elastic member in a stretched state and fixing it with adhesive to the edge are labor-intensive and mechanically complex operations, which are major obstacles to processing and smooth processing. It is not possible to carry out proper operations. Moreover, since it takes time and effort to attach another pair of barrier cuffs to the inside of the pair of gasket cuffs, there is also a drawback in that manufacturing efficiency is low.
【０００６】この様な欠点を解決するため、本発明者ら
は、先に次ぎのような構造のポケット構造を有する使い
捨ておむつを提案した（特願平０２−２７２８４１号参
照）。In order to solve these drawbacks, the present inventors previously proposed a disposable diaper having a pocket structure as described below (see Japanese Patent Application No. 02-272841).
【０００７】すなわち、表面シ―トと裏面シ―トとの間
に吸収性コアが配置された使い捨ておむつにおいて、前
記表面シ―トを、吸収性コアとほぼ同じ長さで該吸収性
コア上面に取りつける親水性シ―トと前記親水性シ―ト
の上に取り付けられて前記吸収性コア上面を被覆する疎
水性シ―トの複数枚のシ―トで構成し、かつ前記疎水性
シ―トの中央領域に***物落とし込みのためのポケット
孔を設けると共に、前記ポケット孔の両側に該ポケット
孔を開孔する方向に収縮力を付与する伸縮弾性体が取り
付けたものである。That is, in a disposable diaper in which an absorbent core is arranged between a top sheet and a back sheet, the top sheet is attached to the upper surface of the absorbent core by approximately the same length as the absorbent core. a hydrophilic sheet attached to the absorbent core, and a plurality of hydrophobic sheets attached to the hydrophilic sheet to cover the upper surface of the absorbent core; A pocket hole is provided in the central region of the pocket for dropping excrement, and elastic bodies are attached to both sides of the pocket hole to apply a contractile force in the direction of opening the pocket hole.
【０００８】上記使い捨ておむつの裏面シ―トとしては
着用者の衣服を汚さないように、通常、液体不透過性の
材料、例えばポリエチレンフィルムが用いられている。[0008] The back sheet of the above-mentioned disposable diaper is usually made of a liquid-impermeable material, such as a polyethylene film, so as not to stain the wearer's clothes.
【０００９】[0009]
【発明が解決しようとする課題】前記のポリエチレン製
裏面シ―トは、強度の点からも余り薄いものは使用でき
ず、一般には、２０〜３０μ程度の厚さのポリエチレン
フィルムが用いられている。このようなフィルムを用い
たおむつにあっては、フィルム自体が製品に硬さを与え
、そのうえおむつ装着時にはガサガサという音を発する
。またこのポリエチレン製裏面シ―トは、乳幼児を抱い
たとき、あるいは着用者の肌に対して布とは異なる冷た
い感触を与える。しかもおむつ装着時に液体（尿）の蒸
れを生じ易いので、着用者はしばしば不快感を感ずる。[Problems to be Solved by the Invention] The above-mentioned polyethylene back sheet cannot be too thin from the viewpoint of strength, and generally a polyethylene film with a thickness of about 20 to 30 μm is used. . In diapers using such films, the film itself provides hardness to the product and also produces a rustling sound when the diaper is worn. In addition, this polyethylene back sheet gives a cold feel to the wearer's skin, which is different from cloth, when holding an infant or infant. Moreover, when wearing the diaper, liquid (urine) tends to get stuffy, so the wearer often feels uncomfortable.
【００１０】0010
【課題を解決するための手段】ここにおいて本発明者ら
は、上述の問題点を検討した結果、防漏フィルムを吸収
性コアと同じ幅か又は吸収性コアより幅広く、かつ股ぐ
り部分にはかからない幅に形成し、ポケット形成用表面
シ―トを該防漏フィルムの両側より突き出しておむつの
股ぐり部分を形成し、この股ぐり部分に通気性を付与す
ることで、ポリエチレンフィルムを裏面シ―トとして用
いる使い捨ておむつの問題点を克服して、尿の蒸れを軽
減するとともに肌触りを良好にした新規なポケット構造
を有する使い捨ておむつを開発したものである。[Means for Solving the Problems] As a result of studying the above-mentioned problems, the inventors of the present invention decided to make the leak-proof film the same width as the absorbent core or wider than the absorbent core, and in the leg part. The polyethylene film is formed to a width that does not overlap, and the top sheet for forming pockets is protruded from both sides of the leak-proof film to form the crotch part of the diaper.By providing breathability to this crotch part, the polyethylene film is By overcoming the problems of disposable diapers used as diapers, we have developed a disposable diaper that has a novel pocket structure that reduces urine stuffiness and is soft to the touch.
【００１１】すなわち本発明が要旨とするところは、親
水性シ―トと防漏フィルムとの間に吸水性コアを配設し
、前記親水性シ―トを疎水性のポケット形成用表面シ―
トで被覆し、かつ前記表面シ―トの中央領域に***物落
とし込みのためのポケット孔を設けると共に、前記ポケ
ット孔の両側に該ポケット孔を開孔する方向に収縮性を
付与する伸縮弾性体を取り付けた使い捨ておむつにおい
て、前記防漏フィルムを前記吸収性コアと同じ幅か又は
吸収性コアより幅広く、かつ股ぐり部分にはかからない
幅に形成し、前記表面シ―トを該防漏フィルムの両側よ
り突き出しておむつの股ぐり部分を形成し、これに通気
性を付与した点にある。なお防漏フィルムは、蒸気に対
して透過性でかつ液体不透過性の熱可塑性フィルムを用
いて構成することを可とする。That is, the gist of the present invention is to provide a water-absorbent core between a hydrophilic sheet and a leak-proof film, and to connect the hydrophilic sheet to a hydrophobic pocket-forming surface sheet.
a stretchable elastic body that is coated with a sheet and provided with pocket holes for dropping excrement in the central region of the top sheet, and that provides contractibility on both sides of the pocket holes in the direction in which the pocket holes are opened; In the disposable diaper, the leak-proof film is formed to have the same width as the absorbent core or wider than the absorbent core, but does not cover the crotch part, and the top sheet is attached to the leak-proof film. The diaper protrudes from both sides to form the crotch portion of the diaper, providing breathability. Note that the leak-proof film may be constructed using a thermoplastic film that is permeable to vapor and impermeable to liquid.
【００１２】ところで、裏面シ―トに透湿性の微孔ポリ
エチレンフィルムを使用したものは既知であるが、この
場合の透湿性フィルムはフィルム強度が通常のフィルム
と比べて弱いため、おむつ製造時にフィルムが破損しや
すく、そのためフイルムを厚くして強度を高める等の配
慮が必要である。しかしフイルムが厚くなると、製品が
硬くなり出荷時の包装の際、折畳み難いという不具合を
生ずる。そこで、この点に関し本発明者らは研究を重ね
た結果、次のような構成を採用することで、上述の問題
点を克服することに成功したものである。すなわち不織
布からなる裏面シ―トをおむつの股ぐり部分を形成する
表面シ―ト及び防漏フィルムの裏面に重ね合せることに
より、当該防漏フィルムの破損を防止し、包装時の折畳
み難さも解消した新規なポケット構造を有する使い捨て
おむつを開発したものである。By the way, diapers using a moisture-permeable microporous polyethylene film for the back sheet are known, but since the strength of the moisture-permeable film in this case is weaker than that of a normal film, the film is not used during diaper manufacturing. is easily damaged, so consideration must be given to making the film thicker to increase its strength. However, when the film becomes thick, the product becomes hard and difficult to fold when packaging for shipping. As a result of repeated research on this point, the inventors of the present invention succeeded in overcoming the above-mentioned problems by adopting the following configuration. In other words, by overlapping the back sheet made of non-woven fabric on the top sheet that forms the crotch part of the diaper and the back side of the leak-proof film, the leak-proof film is prevented from being damaged and the difficulty of folding during packaging is eliminated. We have developed a disposable diaper with a new pocket structure.
【００１３】上記のように本発明は、不織布製裏面シ―
トを、おむつの股ぐり部分を形成する表面シ―ト及び防
漏フィルムに重ね合せることを特徴の一としているが、
該裏面シ―トを前記防漏フィルムの裏面のみに重ね合せ
るか、もしくは防漏フィルム両側の股ぐり部分を形成し
ている表面シ―トの裏面にのみに重ね合せた構成も本発
明は包含するものである。As described above, the present invention provides a backing sheet made of non-woven fabric.
One of the characteristics is that the material is superimposed on the top sheet and leak-proof film that form the crotch part of the diaper.
The present invention also includes a structure in which the back sheet is superimposed only on the back surface of the leak-proof film, or only on the back surface of the top sheet forming the leg openings on both sides of the leak-proof film. It is something to do.
【００１４】[0014]
【実施例】以下、本発明の実施例を図面を参照して具体
的に説明する。Embodiments Hereinafter, embodiments of the present invention will be explained in detail with reference to the drawings.
【００１５】実施例１
図１及び図２において、符号１はおむつの中央部底面に
設けたポリエチレン製防漏フィルムであり、吸収性コア
２より若干幅広く形成されている。３は吸収性コア２を
覆設する該コアよりも幅広い親水性不織布を示す。前記
した防漏フィルム１は、その端部が吸収性コア２より外
側に若干はみでるようにした上で、吸水性コア２をその
上に配置させ、該コアよりはみでたフィルム１の端部を
親水性不織布３の端部に接着固定する。符号４は、前記
親水性不織布３の上に重ね合わせた疎水性不織布からな
るポケット形成用表面シ―トであり、後記のようにおむ
つのほぼ全面を覆う広さに形成されており、その中央領
域に***物落とし込みのためのポケット孔５を設ける。Example 1 In FIGS. 1 and 2, reference numeral 1 denotes a polyethylene leak-proof film provided on the bottom surface of the central portion of the diaper, and is formed to be slightly wider than the absorbent core 2. 3 indicates a hydrophilic nonwoven fabric that is wider than the absorbent core 2 and covers the absorbent core 2. The leak-proof film 1 described above is made such that its end slightly protrudes outside the absorbent core 2, and then the water-absorbent core 2 is placed on top of it, and the end of the film 1 that protrudes from the core is made hydrophilic. The adhesive is fixed to the end of the nonwoven fabric 3. Reference numeral 4 denotes a pocket-forming surface sheet made of a hydrophobic nonwoven fabric overlaid on the hydrophilic nonwoven fabric 3, and is formed in a width that covers almost the entire surface of the diaper as described later. A pocket hole 5 is provided in the area for dropping excrement.
【００１６】上記表面シ―トにポケット孔５を形成する
場合、疎水性不織布からなるこの表面シ―トは、吸収性
コア２の幅Ｓの２分の１以上を覆うように構成させるこ
とを可とする。ポケット孔の開孔幅Ｌは、好ましくは吸
収性コアの幅の１／６ 〜２／３ の範囲内に設定する
のがよい。ポケット孔の開孔幅が小さすぎる場合は、排
泄物がポケット孔からはみでて、ポケット孔内にうまく
収納されないことがあり、また開孔幅が大きすぎる場合
はポケット孔から露出する親水性不織布３の面積が多く
なり、排尿時において肌にしめり感、不快感を生じさせ
ることがある。乳幼児用の場合、おむつの長さは、一例
として４７０ 〜４９０ ｍｍに形成され、吸収性コア
の幅Ｓは８０〜１８０ｍｍ に形成されることが多い。
なお例えば、幅１５０ｍｍ 、長さ４３０ｍｍ に形成
された吸収性コアを使用する場合においては、開孔幅Ｌ
を２５ｍｍ〜５０ｍｍ、長さ２００ｍｍ 〜３５０ｍｍ
の範囲でポケット孔５を形成するのが良い。When pocket holes 5 are formed in the topsheet, the topsheet made of hydrophobic nonwoven fabric should be configured to cover one-half or more of the width S of the absorbent core 2. Yes. The opening width L of the pocket hole is preferably set within the range of 1/6 to 2/3 of the width of the absorbent core. If the opening width of the pocket hole is too small, excrement may protrude from the pocket hole and not be stored properly in the pocket hole.If the opening width is too large, the hydrophilic nonwoven fabric 3 will be exposed from the pocket hole. The area of the skin increases, which may cause a feeling of tightness and discomfort on the skin when urinating. In the case of diapers for infants, the length of the diaper is, for example, 470 to 490 mm, and the width S of the absorbent core is often 80 to 180 mm. For example, when using an absorbent core formed with a width of 150 mm and a length of 430 mm, the opening width L
25mm to 50mm, length 200mm to 350mm
It is preferable to form the pocket hole 5 within the range of .
【００１７】ポケット孔５の両側には、複数本の伸縮弾
性体６を取付間隔を変えて伸長状態に配置して、これを
疎水性ポケット形成用表面シ―ト４の内面に固着した疎
水性不織布からなる固定シ―ト７を介し、ホットメルト
接着剤またはヒ―トシ―ル、超音波シ―ル等の手段で接
着する。On both sides of the pocket hole 5, a plurality of stretchable elastic bodies 6 are arranged in a stretched state at different mounting intervals, and these are fixed to the inner surface of the hydrophobic pocket-forming surface sheet 4. The fixing sheet 7 made of nonwoven fabric is used for adhesion using hot melt adhesive, heat sealing, ultrasonic sealing, or the like.
【００１８】裏面シ―ト８は撥水性不織布によって製造
され、図２に示されるおむつの断面図から分るように、
おむつの股ぐり部分９を形成する表面シ―ト及び防漏フ
ィルム１の裏面に対し重ね合せて一体に貼りつけられて
いる。The back sheet 8 is made of a water-repellent nonwoven fabric, and as can be seen from the cross-sectional view of the diaper shown in FIG.
The top sheet forming the crotch portion 9 of the diaper and the back surface of the leak-proof film 1 are overlaid and bonded together.
【００１９】ポケット孔５の側方位置には、ポケット孔
を開口させる方向に収縮力を附与する伸縮弾性体６が伸
長状態で前記表面シ―ト４と固定シ―ト７に接着一体化
されているから、この伸縮弾性体が収縮されると図２に
示すように、親水性シ―ト３から表面シ―ト４が浮き上
がった状態となり、前記両シ―トの間に空間５´が形成
されるので、この空間内にヒトより***された便を収納
しかつ覆い隠すことができる。At a side position of the pocket hole 5, a stretchable elastic body 6 that applies a contractile force in the direction of opening the pocket hole is integrally bonded to the top sheet 4 and the fixing sheet 7 in a stretched state. Therefore, when this stretchable elastic body is contracted, the surface sheet 4 is lifted up from the hydrophilic sheet 3, as shown in FIG. 2, and a space 5' is created between the two sheets. Since this space is formed, human excrement can be stored and covered up within this space.
【００２０】吸収性コア２は、上下面にテイッシュペ―
パ―、乾式パルプ不織布等の吸収性シ―トを配置した積
層体が用いられ、上下の吸収性シ―トの間はフラップパ
ルプ、レ―ヨン等の吸収性繊維層の２層或いはそれ以上
の多層からなっている。また吸収性コアの各層間には高
吸水性粒状物を配設することもできる。ここでいう高吸
水性粒状物は、通常知られる高吸収性ポリマ―粒子単独
或いはこれに活性炭、カルボキシメチルセルロ―ス、ゼ
オライト等を混合した粒状物をいう。[0020] The absorbent core 2 has tissue paper on the upper and lower surfaces.
A laminate is used in which absorbent sheets such as paper, dry pulp nonwoven fabric, etc. are arranged, and between the upper and lower absorbent sheets there are two or more layers of absorbent fiber layers such as flap pulp, rayon, etc. It consists of multiple layers. Further, superabsorbent granules may be arranged between each layer of the absorbent core. The superabsorbent granules herein refer to commonly known superabsorbent polymer particles alone or granules in which activated carbon, carboxymethyl cellulose, zeolite, etc. are mixed.
【００２１】本発明に用いる疎水性のポケット形成用表
面シ―ト４としては、ポリプロピレン繊維、ポリエステ
ル繊維、ポリプロピレンポリエチレン複合繊維、ポリエ
ステルポリエチレン複合繊維等を用いた疎水性不織布が
多用される。なお吸収性コア２の上面を覆設する親水性
シ―トとしては、排尿位置に小孔を開けた孔あきプラス
チックシ―トを用いたり、親水性の乾式不織布を用いて
着用者の排尿位置に接する部分以外の区域に撥水処理を
施したものを使用することができる。As the hydrophobic pocket-forming surface sheet 4 used in the present invention, hydrophobic nonwoven fabrics using polypropylene fibers, polyester fibers, polypropylene polyethylene composite fibers, polyester polyethylene composite fibers, etc. are often used. As the hydrophilic sheet covering the upper surface of the absorbent core 2, a perforated plastic sheet with small holes formed at the urinary position may be used, or a hydrophilic dry non-woven fabric may be used to adjust the urination position of the wearer. You can use one that has been treated to be water repellent in areas other than those in contact with.
【００２２】また、ポケット孔開口用の伸縮弾性体６は
、天然または合成のゴム、ウレタン等の糸、ひも、バン
ド状のものが用いられる。The stretchable elastic body 6 for opening the pocket hole may be made of natural or synthetic rubber, urethane, or the like in the form of thread, string, or band.
【００２３】中央領域に置かれている吸収性コア２の形
状は、ほぼ長方形状に形成されているが、平面形状が全
体としてほぼＩ字型をしたもの、すなわち中央が括れた
砂時計状をしていても良い。またこの実施例では後部ウ
エストの両端縁には止着テ―プ１０が、また前部ウエス
トにはフロント補強テ―プ１１が取付られている。The shape of the absorbent core 2 placed in the central region is approximately rectangular, but the overall planar shape is approximately I-shaped, that is, an hourglass shape with a constricted center. You can leave it there. Further, in this embodiment, fastening tapes 10 are attached to both end edges of the rear waist, and a front reinforcing tape 11 is attached to the front waist.
【００２４】実施例２
ポリエチレン製防漏フィルム１をおむつの底面中央部に
設けるに当たり、幅広の防漏フィルムの両端部をＵ字形
に立上げて前記ポケット孔内に尿の漏れ出し防止壁１ａ
を形成し、その漏れ出し防止壁を固定シ―ト７の内面に
固定するほかは実施例１と同様に構成して図３に示すお
むつを得た。Example 2 When a polyethylene leak-proof film 1 is provided at the center of the bottom of a diaper, both ends of the wide leak-proof film are raised up in a U-shape to form a urine leak-preventing wall 1a in the pocket hole.
A diaper shown in FIG. 3 was obtained using the same structure as in Example 1 except that the leak-preventing wall was fixed to the inner surface of the fixing sheet 7.
【００２５】実施例３
ポケット形成用表面シ―ト４の内面に貼着された伸縮弾
性体の固定シ―ト７の一部またはその延長部材を、図４
に示すように防漏フィルム１両側の股ぐり部分９を形成
している表面シ―ト４と一体的に貼着する。前記伸縮弾
性体６は伸長状態で第１層の表面シ―トと第２層の固定
シ―ト間に接着一体化されているから、この伸縮弾性体
が収縮されると図４に示すように、前記の表面シ―トは
吸収性コア２に覆設した親水性シ―ト３から浮き上がっ
た状態となり、前記表面シ―トと親水性シ―ト３の間に
空間を形成することができる。なおこの実施例では前記
２実施例と異なり、防漏フィルム１の裏面は露出されて
いる。Example 3 A part of the fixing sheet 7 made of a stretchable elastic material stuck to the inner surface of the pocket forming surface sheet 4 or its extension member is shown in FIG.
As shown in the figure, the leak-proof film 1 is integrally attached to the top sheet 4 forming the leg openings 9 on both sides. Since the stretchable elastic body 6 is bonded and integrated between the surface sheet of the first layer and the fixing sheet of the second layer in the stretched state, when the stretchable elastic body 6 is contracted, as shown in FIG. In this case, the above-mentioned topsheet is lifted from the hydrophilic sheet 3 covering the absorbent core 2, and a space is formed between the topsheet and the hydrophilic sheet 3. can. In addition, in this embodiment, unlike the above two embodiments, the back surface of the leak-proof film 1 is exposed.
【００２６】実施例４
裏面シ−ト８を防漏フィルム１の両側より突き出して股
ぐり部９を形成している表面シ−トに一体的に貼着し、
それ以外の部分は実施例１と同様に構成し、図５に示す
おむつを得た。Example 4 A back sheet 8 is integrally attached to the top sheet which protrudes from both sides of the leak-proof film 1 and forms a leg opening 9,
The other parts were constructed in the same manner as in Example 1, and the diaper shown in FIG. 5 was obtained.
【００２７】[0027]
【作用】本発明のおむつによるときは、排尿時、肌に接
する部分は、ポケット孔５から露出する親水性シ―トの
限られた区域と、ポケット孔の四周外方に位置する疎水
性の表面シ―ト４である。この疎水性シ―トは着用者の
太腿に沿って幅広くフイットして、***物の漏れだし方
向と逆向きに立ち上がり、股方向への漏れ出しを防ぐと
共に肌から***物を離すことができる。しかも親水性シ
―ト３の端から腹または背中側に尿が滲み漏れ出る虞れ
も防止することができるので、おむつに接触する肌のし
めり感、不快感を減少させることができる。[Function] When using the diaper of the present invention, the parts that come into contact with the skin during urination are the limited area of the hydrophilic sheet exposed from the pocket hole 5 and the hydrophobic sheet located outside the four peripheries of the pocket hole. This is the top sheet 4. This hydrophobic sheet fits widely along the wearer's thighs and stands up in the opposite direction to the direction in which excrement leaks out, preventing it from leaking toward the crotch and keeping excrement away from the skin. . Furthermore, it is possible to prevent urine from leaking out from the edge of the hydrophilic sheet 3 toward the abdomen or back, thereby reducing the tightness and discomfort of the skin that comes into contact with the diaper.
【００２８】第１及び第２の実施例において、不織布製
表面シ―トと裏面シ―トとを、防漏フィルムの両側より
突き出して通気性を有した股ぐり部分を形成しているた
め、おむつ内に収容された液体（尿）の蒸発により生じ
る蒸れを軽減することが可能であると共に、乳幼児を抱
き上げたときあるいは着用者の大腿部に接触する股ぐり
部分の感触は布と同様な軟らかさ、暖かみのある感触が
得られる。また防漏フィルム１は撥水性不織布８により
裏打ちされて補強される結果、この防漏フィルムをさら
に薄いものに代える事ができる。この実施例によると、
使用できる防漏フィルムとしては、厚さ１５〜１０μの
薄いポリエチレンフィルムが使用でき、また透湿性のあ
るポリエチレンフィルムを使用する場合にも、通常のも
のよりも薄い物を利用できる。さらにフィルム面を不織
布により裏打ちしているので引掛かりが無く、したがっ
ておむつ製造時におけるフィルムの破損を防ぎ、包装時
の折畳み難さを軽減できるものである。In the first and second embodiments, the non-woven fabric top sheet and back sheet protrude from both sides of the leak-proof film to form breathable leg openings. It is possible to reduce stuffiness caused by the evaporation of the liquid (urine) contained in the diaper, and the feel of the crotch area, which comes into contact with the wearer's thighs when picking up an infant, is similar to that of cloth. Provides a soft and warm feel. Furthermore, since the leak-proof film 1 is lined and reinforced with the water-repellent nonwoven fabric 8, this leak-proof film can be replaced with a thinner one. According to this example:
As the leak-proof film that can be used, a thin polyethylene film with a thickness of 15 to 10 μm can be used, and even when a moisture-permeable polyethylene film is used, it can be thinner than usual. Furthermore, since the film surface is lined with a non-woven fabric, there is no catch, thus preventing the film from being damaged during diaper manufacturing and reducing the difficulty of folding during packaging.
【００２９】なお上記の実施例においては不織布製裏面
シ―トを、おむつの股ぐり部分を形成する表面シ―ト及
び防漏フィルムに重ね合せるか（図２、３）、もしくは
防漏フィルム両側の股ぐり部分を形成している表面シ―
トの裏面にのみ重ね合せている（図５）が、これに限定
せず、例えば該裏面シ―トを前記防漏フィルムの裏面の
みに重ね合せるなど、この発明は上記実施例の種々の変
更、修正が可能であることはいうまでもない。[0029] In the above embodiment, the back sheet made of nonwoven fabric is either superimposed on the top sheet and the leak-proof film that form the crotch part of the diaper (Figs. 2 and 3), or the leak-proof film is placed on both sides of the diaper. The surface seam forming the leg part of
Although the sheet is overlapped only on the back side of the leak-proof film (FIG. 5), the present invention is not limited to this, and the present invention can be applied to various modifications of the above-mentioned embodiment, such as overlapping the back sheet only on the back side of the leak-proof film. , it goes without saying that correction is possible.
【００３０】[0030]
【発明の効果】以上に説明したように、本発明によれば
、疎水性の表面シ―トの中央領域に***物落とし込みの
ためのポケット孔を設け、前記ポケット孔の両側に該ポ
ケット孔を開孔する方向に収縮力を付与する伸縮弾性体
が取り付けられているから、疎水性シ―トの中央領域に
設けた透水のためのポケット孔が伸縮弾性体の収縮によ
りヒトより***された便を収納しかつ覆い隠すことがで
きる収容空間として機能すると共に、排尿後の肌に接す
る部分は前記ポケットから露出する限られた面積の親水
性シ―トの部分に止めることができ、それ以外のポケッ
ト孔の四周外方は疎水性材料によって肌から***物を離
すことができ、吸収性コアからの尿の逆戻りを防ぐこと
ができる。しかも吸収性コアの上面に取り付けた親水性
シ―トの端から腹または背中側に滲み漏れ出る虞れも防
止することができるので、おむつに接触する肌のしめり
感、不快感を減少させることができる。As explained above, according to the present invention, a pocket hole for dropping excrement is provided in the central region of a hydrophobic surface sheet, and the pocket holes are provided on both sides of the pocket hole. Since a stretchable elastic body is attached that applies a contractile force in the direction in which the holes open, pocket holes for water permeation provided in the central region of the hydrophobic sheet can be used to absorb feces excreted by humans due to the contraction of the stretchable elastic body. The part that comes into contact with the skin after urinating can be stopped at the limited area of the hydrophilic sheet exposed from the pocket, and the other part Hydrophobic material can be used around the outer circumference of the pocket hole to keep excreta away from the skin and prevent urine from flowing back through the absorbent core. Moreover, it also prevents the risk of leakage from the edge of the hydrophilic sheet attached to the upper surface of the absorbent core to the belly or back side, reducing the tightness and discomfort of the skin that comes into contact with the diaper. Can be done.
【００３１】そして本発明では、防漏フィルムを前記吸
収性コアと同じ幅か又は吸収性コアより幅広くかつ股ぐ
り部分にはかからない幅に形成し、前記表面シ―トを該
防漏フィルムの両側より突き出しておむつの股ぐり部分
を形成し、これに通気性を付与させたので、装着使用時
の蒸れを軽減するとともに、肌触りを良好に出来るとい
う効果を奏するものである。[0031] In the present invention, the leak-proof film is formed to have the same width as the absorbent core or wider than the absorbent core but does not cover the leg opening, and the top sheet is placed on both sides of the leak-proof film. Since the crotch portion of the diaper is formed to protrude further and breathability is imparted to this, it has the effect of reducing stuffiness during use and providing a good feel to the skin.
【図１】本発明の一実施例を示す平面図である。FIG. 1 is a plan view showing an embodiment of the present invention.
【図２】図１のＩＩ−ＩＩに沿う拡大断面図である。FIG. 2 is an enlarged sectional view taken along II-II in FIG. 1;
【図３】本発明の第２の実施例を示す断面図である。FIG. 3 is a sectional view showing a second embodiment of the invention.
【図４】本発明の第３の実施例を示す断面図である。FIG. 4 is a sectional view showing a third embodiment of the present invention.
【図５】本発明の第４の実施例を示す断面図である。FIG. 5 is a sectional view showing a fourth embodiment of the present invention.
１ 防漏フィルム
２ 吸収性コア
３ 親水性不織布
４ 疎水性ポケット形成用表面シ―ト５ ポケット
孔
６ 伸縮弾性体
７ 固定シ―ト
８ 撥水性不織布（固定シ−ト）
９ 股ぐり部
１０ 止着テ―プ
１１ フロント補強テ―プ1 Leak-proof film 2 Absorbent core 3 Hydrophilic non-woven fabric 4 Hydrophobic pocket-forming surface sheet 5 Pocket hole 6 Stretchable elastic body 7 Fixed sheet 8 Water-repellent non-woven fabric (fixed sheet) 9 Crotch section 10 Stop Arrival tape 11 Front reinforcement tape
Claims (5)
吸水性コアを配設し、前記親水性シ―トを疎水性のポケ
ット形成用表面シ―トで被覆し、かつ前記表面シ―トの
中央領域に***物落とし込みのためのポケット孔を設け
ると共に、前記ポケット孔の両側に該ポケット孔を開孔
する方向に収縮性を付与する伸縮弾性体を取り付けた使
い捨ておむつにおいて、前記防漏フィルムを前記吸収性
コアと同じ幅か又は吸収性コアより幅広く、かつ股ぐり
部分にはかからない幅に形成し、前記表面シ―トを該防
漏フィルムの両側より突き出しておむつの股ぐり部分を
形成し、この股ぐり部分に通気性を付与したことを特徴
とする通気性部分を備えた使い捨ておむつ。Claim 1: A water-absorbent core is disposed between a hydrophilic sheet and a leak-proof film, the hydrophilic sheet is covered with a hydrophobic pocket-forming surface sheet, and the surface In the disposable diaper, a pocket hole is provided in the central region of the sheet for dropping excrement, and stretchable elastic bodies are attached to both sides of the pocket hole to provide contractility in the direction in which the pocket hole is opened. The leak-proof film is formed to have the same width as the absorbent core or wider than the absorbent core, but does not cover the crotch part, and the top sheet is protruded from both sides of the leak-proof film to form the crotch part of the diaper. A disposable diaper with a breathable part, characterized in that the crotch part is formed with a breathable part, and the crotch part is made breathable.
吸水性コアを配設し、前記親水性シ―トを疎水性のポケ
ット形成用表面シ―トで被覆し、かつ前記表面シ―トの
中央領域に***物落とし込みのためのポケット孔を設け
ると共に、前記ポケット孔の両側に該ポケット孔を開孔
する方向に収縮性を付与する伸縮弾性体を取り付けた使
い捨ておむつであって、前記防漏フィルムを前記吸収性
コアと同じ幅か又は吸収性コアより幅広く、かつ股ぐり
部分にはかからない幅に形成し、前記表面シ―トを該防
漏フィルムの両側より突き出しておむつの股ぐり部分を
形成し、裏面シ―トを前記防漏フィルムの両側より突き
出した表面シ―ト及び又は防漏フィルムの裏面に重ね合
せ、これに通気性を付与したことを特徴とする通気性部
分を備えた使い捨ておむつ。2. A water-absorbent core is disposed between a hydrophilic sheet and a leak-proof film, the hydrophilic sheet is covered with a hydrophobic pocket-forming surface sheet, and the surface A disposable diaper that is provided with a pocket hole for dropping excrement in the central region of the sheet, and has stretchable elastic bodies attached to both sides of the pocket hole to provide contractility in the direction in which the pocket hole is opened. , the leak-proof film is formed to have the same width as the absorbent core or wider than the absorbent core, and does not cover the crotch part, and the top sheet is protruded from both sides of the leak-proof film to form the diaper. A breathable film characterized in that a leg opening is formed and a back sheet is superimposed on the top sheet protruding from both sides of the leak-proof film and/or the back side of the leak-proof film, thereby imparting breathability to this. Disposable diaper with parts.
上げて前記ポケット孔内に尿の漏れ出し防止壁を形成し
てなる請求項１または２記載の通気性部分を備えた使い
捨ておむつ。3. The disposable diaper with a breathable portion according to claim 1, wherein both sides of the leak-proof film are raised up in a U-shape to form a urine leak-preventing wall in the pocket hole.
水性不織布によって構成し、少なくとも一方の不織布の
端部を前記防漏フィルムの両端より突き出して、通気性
を有した股ぐり部分を形成してなる請求項１または２記
載の通気性部分を備えた使い捨ておむつ。4. The surface sheet is made of two superimposed hydrophobic nonwoven fabrics, and the ends of at least one of the nonwoven fabrics are protruded from both ends of the leak-proof film to provide breathable leg openings. 3. A disposable diaper comprising a breathable portion according to claim 1 or 2.
請求項２記載の通気性部分を備えた使い捨ておむつ。5. The disposable diaper with a breathable portion according to claim 2, wherein the back sheet is a water-repellent nonwoven fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3116540A JPH04322646A (en) | 1991-04-22 | 1991-04-22 | Disposable diaper having breathing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3116540A JPH04322646A (en) | 1991-04-22 | 1991-04-22 | Disposable diaper having breathing part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04322646A true JPH04322646A (en) | 1992-11-12 |
Family
ID=14689651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3116540A Pending JPH04322646A (en) | 1991-04-22 | 1991-04-22 | Disposable diaper having breathing part |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04322646A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6123694A (en) * | 1997-05-09 | 2000-09-26 | Paragon Trade Brands | Disposable absorbent article with unitary leg gathers |
| US6186996B1 (en) * | 1993-07-09 | 2001-02-13 | Peaudouce | Disposable absorbent sanitary article |
| JP2002253604A (en) * | 2001-03-03 | 2002-09-10 | Daio Paper Corp | Absorbent article |
| US6491676B1 (en) | 1994-08-24 | 2002-12-10 | Paragon Trade Brands, Inc. | Absorbent article and method of manufacture |
| JP2005095652A (en) * | 2004-11-15 | 2005-04-14 | Daio Paper Corp | Disposable absorptive article |
| WO2006011603A1 (en) * | 2004-07-30 | 2006-02-02 | Uni-Charm Co., Ltd. | Disposable diaper |
| JP2007090056A (en) * | 2005-08-30 | 2007-04-12 | Daio Paper Corp | Absorbent article |
| KR100831245B1 (en) * | 2004-07-30 | 2008-05-22 | 유니챰 가부시키가이샤 | Disposable diaper |
| JP2009119279A (en) * | 2009-01-09 | 2009-06-04 | Livedo Corporation | Back sheet of absorbent article |
| CN106618868A (en) * | 2016-12-10 | 2017-05-10 | 杭州新余宏机械有限公司 | One-step molding mechanism for double three-dimensional standing cuffs of paper diaper |
-
1991
- 1991-04-22 JP JP3116540A patent/JPH04322646A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6186996B1 (en) * | 1993-07-09 | 2001-02-13 | Peaudouce | Disposable absorbent sanitary article |
| US6491676B1 (en) | 1994-08-24 | 2002-12-10 | Paragon Trade Brands, Inc. | Absorbent article and method of manufacture |
| US6123694A (en) * | 1997-05-09 | 2000-09-26 | Paragon Trade Brands | Disposable absorbent article with unitary leg gathers |
| JP2002253604A (en) * | 2001-03-03 | 2002-09-10 | Daio Paper Corp | Absorbent article |
| EP1774937A4 (en) * | 2004-07-30 | 2009-08-12 | Uni Charm Corp | Disposable diaper |
| US7749210B2 (en) | 2004-07-30 | 2010-07-06 | Uni-Charm Corporation | Disposable diaper |
| JP2006042924A (en) * | 2004-07-30 | 2006-02-16 | Uni Charm Corp | Disposable diaper |
| JP4580709B2 (en) * | 2004-07-30 | 2010-11-17 | ユニ・チャーム株式会社 | Disposable diapers |
| EP1774937A1 (en) * | 2004-07-30 | 2007-04-18 | Uni-Charm Co., Ltd. | Disposable diaper |
| US7326192B2 (en) | 2004-07-30 | 2008-02-05 | Uni-Charm Corporation | Disposable diaper |
| KR100831245B1 (en) * | 2004-07-30 | 2008-05-22 | 유니챰 가부시키가이샤 | Disposable diaper |
| WO2006011603A1 (en) * | 2004-07-30 | 2006-02-02 | Uni-Charm Co., Ltd. | Disposable diaper |
| CN101584626A (en) * | 2004-07-30 | 2009-11-25 | 尤妮佳股份有限公司 | Disposable diaper |
| JP2005095652A (en) * | 2004-11-15 | 2005-04-14 | Daio Paper Corp | Disposable absorptive article |
| JP4629411B2 (en) * | 2004-11-15 | 2011-02-09 | 大王製紙株式会社 | Disposable absorbent article |
| JP2007090056A (en) * | 2005-08-30 | 2007-04-12 | Daio Paper Corp | Absorbent article |
| JP2009119279A (en) * | 2009-01-09 | 2009-06-04 | Livedo Corporation | Back sheet of absorbent article |
| CN106618868A (en) * | 2016-12-10 | 2017-05-10 | 杭州新余宏机械有限公司 | One-step molding mechanism for double three-dimensional standing cuffs of paper diaper |
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